CN109181148A - A kind of nano modification PVC composite foam material and preparation method thereof - Google Patents
A kind of nano modification PVC composite foam material and preparation method thereof Download PDFInfo
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- CN109181148A CN109181148A CN201810846865.8A CN201810846865A CN109181148A CN 109181148 A CN109181148 A CN 109181148A CN 201810846865 A CN201810846865 A CN 201810846865A CN 109181148 A CN109181148 A CN 109181148A
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- 239000002131 composite material Substances 0.000 title claims abstract description 40
- 239000006261 foam material Substances 0.000 title claims description 21
- 238000012986 modification Methods 0.000 title claims description 21
- 230000004048 modification Effects 0.000 title claims description 21
- 238000002360 preparation method Methods 0.000 title claims description 7
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 48
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 47
- 239000003381 stabilizer Substances 0.000 claims abstract description 21
- 239000006057 Non-nutritive feed additive Substances 0.000 claims abstract description 13
- 239000004088 foaming agent Substances 0.000 claims abstract description 13
- 239000000314 lubricant Substances 0.000 claims abstract description 13
- 239000003365 glass fiber Substances 0.000 claims abstract description 11
- 239000011347 resin Substances 0.000 claims abstract description 10
- 229920005989 resin Polymers 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 16
- -1 sodium alkyl benzene Chemical class 0.000 claims description 15
- 229920001577 copolymer Polymers 0.000 claims description 11
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 10
- 239000000194 fatty acid Substances 0.000 claims description 10
- 229930195729 fatty acid Natural products 0.000 claims description 10
- 239000012760 heat stabilizer Substances 0.000 claims description 9
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 8
- ZMXDDKWLCZADIW-UHFFFAOYSA-N Vilsmeier-Haack reagent Natural products CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 8
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 8
- 238000006116 polymerization reaction Methods 0.000 claims description 7
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 6
- 239000012188 paraffin wax Substances 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 239000000344 soap Substances 0.000 claims description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 150000004665 fatty acids Chemical class 0.000 claims description 5
- 239000004209 oxidized polyethylene wax Substances 0.000 claims description 5
- 235000013873 oxidized polyethylene wax Nutrition 0.000 claims description 5
- 235000021355 Stearic acid Nutrition 0.000 claims description 4
- 229910052788 barium Inorganic materials 0.000 claims description 4
- 235000013877 carbamide Nutrition 0.000 claims description 4
- HNQIVZYLYMDVSB-UHFFFAOYSA-N methanesulfonimidic acid Chemical class CS(N)(=O)=O HNQIVZYLYMDVSB-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 4
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000005453 pelletization Methods 0.000 claims description 4
- 239000008117 stearic acid Substances 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- AGGKEGLBGGJEBZ-UHFFFAOYSA-N tetramethylenedisulfotetramine Chemical compound C1N(S2(=O)=O)CN3S(=O)(=O)N1CN2C3 AGGKEGLBGGJEBZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000001993 wax Substances 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 229940077388 benzenesulfonate Drugs 0.000 claims description 2
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 229940042795 hydrazides for tuberculosis treatment Drugs 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 2
- 125000003170 phenylsulfonyl group Chemical group C1(=CC=CC=C1)S(=O)(=O)* 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 239000004094 surface-active agent Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims 1
- 238000001125 extrusion Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims 1
- 239000013049 sediment Substances 0.000 claims 1
- 239000006228 supernatant Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 19
- 238000012545 processing Methods 0.000 abstract description 6
- 239000004566 building material Substances 0.000 abstract description 4
- 238000005034 decoration Methods 0.000 abstract 1
- 238000005187 foaming Methods 0.000 abstract 1
- 239000003607 modifier Substances 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 4
- 239000000654 additive Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- VJRITMATACIYAF-UHFFFAOYSA-N benzenesulfonohydrazide Chemical compound NNS(=O)(=O)C1=CC=CC=C1 VJRITMATACIYAF-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002114 nanocomposite Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000013500 performance material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/009—Use of pretreated compounding ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/08—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/104—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof
- C08J9/105—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof containing sulfur
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/107—Nitroso compounds
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- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
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- C—CHEMISTRY; METALLURGY
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- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
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- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
本发明公开一种纳米改性PVC复合发泡材料，原料按重量份计包括以下组分：聚氯乙烯树脂80～100份；短玻纤10～25份；复合纳米改性剂2～12份；发泡剂0.4～6份；润滑剂1～6份；稳定剂1～5份；加工助剂0.5～1.2份。本发明制备的PVC复合发泡材料具有强度高、韧性好及加工性能优异等特性，解决了现有PVC材料强度不够、韧性不足，加工性能差的技术难题，可广泛应用于高铁和汽车内饰件、日常生活用品、家居建材、包装、广告装潢等领域。The invention discloses a nano-modified PVC composite foaming material. The raw materials include the following components in parts by weight: 80-100 parts of polyvinyl chloride resin; 10-25 parts of short glass fiber; 2-12 parts of composite nano-modifier ; 0.4 to 6 parts of foaming agent; 1 to 6 parts of lubricant; 1 to 5 parts of stabilizer; 0.5 to 1.2 parts of processing aid. The PVC composite foamed material prepared by the invention has the characteristics of high strength, good toughness and excellent processing performance, solves the technical problems of insufficient strength, insufficient toughness and poor processing performance of the existing PVC material, and can be widely used in high-speed rail and automobile interiors Parts, daily necessities, home building materials, packaging, advertising decoration and other fields.
Description
Technical field
The present invention relates to field of high polymer material modification, and in particular to a kind of nano modification PVC composite foam material
And preparation method thereof.
Background technique
Polyvinyl chloride (PVC) resin is a kind of polarity amorphism high polymer, product have good physical property and
Chemical property can be widely applied to the fields such as industry, building, agricultural and daily necessities.Currently, being main with polyvinyl chloride resin
The furniture building material product of raw material has become the second largest pillar of China's plastic industry, and average annual growth rate is more than 15%.This has benefited from
PVC composite material is at low cost, has excellent performance and recyclable advantage, meets environment sustainable development and circular economy
Main trend.
Superior function due to PVC material and the protection to environment, PVC material are answered extensively in building materials household field
With, be commonly used to manufacture the composite foamed plate of PVC, at home and abroad become building materials generally instead of ceramic tile and wooden boards
The first choice of domestic finishing material.However, with the improvement of people's life quality, the performance requirement to PVC board is also higher and higher,
The performance of traditional PVC material has been unsatisfactory for demand of the people to the product of high quality.Although PVC foam material have waterproof,
The characteristics such as fire-retardant, acid and alkali-resistance, mothproof, heat preservation, light, sound insulation, damping, but have the following disadvantages: as intensity not enough, toughness not
Foot, poor processability cannot meet the use of outdoor conditions well.
Therefore, need it is a kind of it is at low cost, intensity is high, good toughness and the composite foamed material of PVC for having both good processing performance
Material to meet people to the performance requirement of PVC material, and then improves the comprehensive performance of PVC material, widens the application neck of material
Domain.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of nano modification PVC composite foam material and preparation method thereof,
By composite nano modified dose of addition, cooperation filler, foaming agent, lubricant, stabilizer and other processing aids, being prepared into has
The PVC composite foam material that intensity is high, good toughness and processing performance are excellent, come solve existing PVC material intensity not enough, toughness not
Foot, the technical problem of poor processability.
The technical solution of the present invention is as follows:
A kind of nano modification PVC composite foam material, raw material includes following components by weight:
80-100 parts of Corvic；
10-25 parts of short glass fiber；
Composite nano modified dose 2-12 parts；
0.4-6 parts of foaming agent；
1-6 parts of lubricant；
1-5 parts of stabilizer；
0.5-1.2 parts of processing aid.
Further, the Corvic is the polyvinyl chloride resin that the degree of polymerization is 800-3000, and the degree of polymerization is to influence PVC
The important parameter of resin reduces as the degree of polymerization increases polyvinyl chloride resin compression set, and resilience increases, heat-resistant deforming performance
It improves, hardness, tensile strength, wear-resisting, ageing-resistant, lear energy increase, but after reaching certain degree of polymerization, the processability of product
It can weaken, so these two aspects is taken into account, therefore the polyvinyl chloride resin of preferred degree of polymerization 800-3000 of the present invention, in the material of this range
Expect that comprehensive performance and processing performance are best.
Further, the short glass fiber is the short glass fiber of 50-80mm.
Further, the described composite nano modified dose mixture for organic modification montmonrillonite and nano-titanium dioxide, weight
Measure ratio are as follows: 1:0.8-1.2.This composite nano modified dose the preparation method comprises the following steps: (1) by montmorillonite and nano-titanium dioxide by weight
Mixing vessel is added than 1:0.8-1.2, suitable quantity of water is added and is mixed and made into suspension；(2) suspension is heated to 70-80 DEG C, first
Surfactant sodium alkyl benzene sulfonate is added afterwards, stirs evenly, precipitating is obtained by filtration to get to composite nano modified dose.It adds
Add in PVC material, change polyvinyl chloride polarity and cementability, the bonding of Corvic and short glass fiber can be increased substantially
Property, so that modified material impact strength, bending strength and tensile strength significantly improve.
Further, the foaming agent is azo dimethylformamide, Barium azodicarboxylate, five methine four of dinitroso
Amine, carbonyl diamide, to methylsulfonamides, 2,2 '-azodiisobutyronitriles, 4, in 4 '-bis oxide benzene sulfonyl hydrazides or sodium bicarbonate
One or more of mixing.
Further, the lubricant be metallic soap salt, oxidized polyethylene wax, stearate, stearic acid, polyethylene wax,
The mixing of one or more of paraffin or chlorinated paraffin.
Further, the stabilizer is that organic tin heat stabilizer, fatty acid heat stabilizer, fatty acid salt heat are steady
Determine one or more of agent or terres rares stabilizer mixing.
Further, the processing aid is one or more of acrylic acid esters co-polymer, styrene copolymer
Mixing.
Preparation method of the invention is that first PVC and various function additives are added in high-speed mixer to carry out 30 points of mixing
Composite nano modified dose of mixed at high speed is added after clock 15 minutes, it is rear to be sent into double screw extruder, it is melted at 130-170 DEG C
It is kneaded, gained melt is cooling through water-carrying groove after double screw extruder squeezes out, and introduces pellet device and carries out pelletizing to get nanometer is arrived
Modified PVC composite foam material.
Beneficial effects of the present invention:
1. the present invention has especially selected nano composite modifying agent, that it changes the polarity of polyvinyl chloride resin and cementabilities, can significantly mention
The adhesiveness of high Corvic and short glass fiber, so that modified material impact strength, bending strength and tensile strength
It significantly improves.
It is used 2. the optimization of the various components of the present invention is arranged in pairs or groups, the composite foamed material of its nano modification PVC can be played to greatest extent
The mechanical property of material makes material have good toughness, intensity and processing performance.
3. PVC composite foam material of the invention is easy to process, it can be processed into the zero of different size according to different needs
Component.
Specific embodiment
In order to facilitate the understanding of those skilled in the art, below in conjunction with embodiment, present invention is further described in detail:
The compositing formula of each embodiment is shown in Table 1.
Table 1: the weight compositing formula of each embodiment
| Formula composition | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Polyvinyl chloride resin | 80 | 85 | 90 | 95 | 100 |
| Short glass fiber | 10 | 12 | 15 | 22 | 25 |
| Composite nano modified dose | 2 | 4 | 7 | 10 | 12 |
| Foaming agent | 0.4 | 1 | 2 | 4 | 6 |
| Lubricant | 1 | 2.2 | 3.1 | 4.3 | 6 |
| Stabilizer | 1 | 1.7 | 2.5 | 3.6 | 5 |
| Processing aid | 0.5 | 0.7 | 0.8 | 1 | 1.2 |
The degree of polymerization of the Corvic of embodiment 1-5 is respectively 800,1350,1950,2500,3000.
The length of the short glass fiber of embodiment 1-5 is respectively the glass fibre of 50mm, 58mm, 65mm, 70mm, 80mm；
The foaming agent of embodiment 1 is azo dimethylformamide；The foaming agent of embodiment 2 is Barium azodicarboxylate and dinitroso five
The mixture (weight ratio 1:1) of methine tetramine；The foaming agent of embodiment 3 is carbonyl diamide, to methylsulfonamides and 2,2 '-
The mixture (weight ratio 1:1:1) of azodiisobutyronitrile three；The foaming agent of embodiment 4 be azo dimethylformamide, 4,4 '-
Bis oxide benzene sulfonyl hydrazide and sodium bicarbonate three's mixture (weight ratio 1:0.5:1)；The foaming agent of embodiment 5 is azo dimethyl
Amide, Barium azodicarboxylate, dinitrosopentamethlyene tetramine, carbonyl diamide and to methylsulfonamides mixture (weight
Than 1:0.5:0.5:0.5:1:0.5)；
The lubricant of embodiment 1 is metallic soap salt；The lubricant of embodiment 2 is the mixing of both metallic soap salt and oxidized polyethylene wax
Object (weight ratio 1:1)；The lubricant of embodiment 3 is metallic soap salt, oxidized polyethylene wax and stearate three's mixture (weight
Than 1:1:1)；The lubricant of embodiment 4 is metallic soap salt, oxidized polyethylene wax, stearate and stearic acid mixture (weight
Amount is than 1:1:1:1)；The lubricant of embodiment 5 is stearic acid, polyethylene wax, paraffin and chlorinated paraffin mixture (weight ratio
1:1:1:1)；
The stabilizer of embodiment 1 is organic tin heat stabilizer；The stabilizer of embodiment 2 is fatty acid heat stabilizer；Implement
The stabilizer of example 3 is both fatty acid salt type thermal stabilizing agent and terres rares stabilizer mixture (weight ratio 1:1)；Embodiment 4
Stabilizer is organic tin heat stabilizer, fatty acid heat stabilizer and fatty acid salt type thermal stabilizing agent three's mixture (weight
Than 1:1:1)；The stabilizer of embodiment 5 is organic tin heat stabilizer, fatty acid heat stabilizer, fatty acid salt thermostabilization
Agent and terres rares stabilizer mixture (weight ratio 1:1:1:1)；
The processing aid of embodiment 1 is acrylic acid esters co-polymer；The processing aid of embodiment 2 be acrylic acid esters co-polymer and
Both styrene copolymers mixture (weight ratio 1:1)；The processing aid of embodiment 3 is styrene copolymer；Embodiment 4
Processing aid be both acrylic acid esters co-polymer and styrene copolymer mixture (weight ratio 0.5:1)；Embodiment 4
Processing aid is both acrylic acid esters co-polymer and styrene copolymer mixture (weight ratio 2:3).
PVC and various function additives be added in high-speed mixer according to above-mentioned ratio after carrying out mixing 30 minutes again
Composite nano modified dose of mixed at high speed is added 15 minutes, it is rear to be sent into double screw extruder, embodiment 1-5 respectively 130 DEG C,
Melting mixing at 140 DEG C 150 DEG C, 160 DEG C, 170 DEG C, gained melt is cooling through water-carrying groove after double screw extruder squeezes out, and draws
Enter pellet device and carries out pelletizing to get nano modification PVC composite foam material is arrived.
PVC composite foam material resulting to various embodiments of the present invention is tested for the property, and the results are shown in Table 2:
The performance test data of each embodiment of table 2
| Property | Method | Unit | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Tensile strength | ASTM D638 | Mpa | 24.1 | 26.3 | 28.5 | 27.3 | 27.6 |
| Bending strength | ASTM D790 | Mpa | 61.2 | 63.5 | 70.1 | 66.5 | 68.5 |
| Bending modulus | ASTM D790 | Mpa | 2855 | 2922 | 3015 | 2865 | 2946 |
| Room temperature (23 DEG C) notch impact strength (1/8 ") | ASTM D256 | KJ/M2 | 7.5 | 8.1 | 9.2 | 8.5 | 8.8 |
The above are wherein specific implementations of the invention, and the description thereof is more specific and detailed, but it cannot be understood as
Limitations on the scope of the patent of the present invention.It should be pointed out that for those of ordinary skill in the art, not departing from this hair
Under the premise of bright design, various modifications and improvements can be made, these obvious alternative forms belong to of the invention
Protection scope.
Claims (9)
1. a kind of nano modification PVC composite foam material, it is characterised in that: raw material includes following components by weight:
80-100 parts of Corvic；
10-25 parts of short glass fiber；
Composite nano modified dose 2-12 parts；
0.4-6 parts of foaming agent；
1-6 parts of lubricant；
1-5 parts of stabilizer；
0.5-1.2 parts of processing aid.
2. nano modification PVC composite foam material according to claim 1, it is characterised in that: the Corvic
The polyvinyl chloride resin for being 800-3000 for the degree of polymerization.
3. nano modification PVC composite foam material according to claim 1, it is characterised in that: described composite nano modified
Agent is the mixture of organic modification montmonrillonite and nano-titanium dioxide, weight ratio 1:0.8-1.2.
4. nano modification PVC composite foam material according to claim 3, it is characterised in that: described composite nano modified
The preparation method of agent includes the following steps:
Mixing vessel is added by weight 1:0.8-1.2 in montmorillonite and nano-titanium dioxide, addition suitable quantity of water is mixed outstanding
Supernatant liquid；
Suspension is heated to 70-80 DEG C, surfactant sodium alkyl benzene sulfonate is successively added, stirs evenly, it is heavy to be obtained by filtration
It forms sediment to get arriving composite nano modified dose.
5. nano modification PVC composite foam material according to claim 1, it is characterised in that: the foaming agent is azo
Dimethylformamide, Barium azodicarboxylate, dinitrosopentamethlyene tetramine, carbonyl diamide, to methylsulfonamides, 2,2 '-azos
Bis-isobutyronitrile, 4, the mixing of one or more of 4 '-bis oxide benzene sulfonyl hydrazides or sodium bicarbonate.
6. nano modification PVC composite foam material according to claim 1, it is characterised in that: the lubricant is metal
The mixing of one or more of soap salt, oxidized polyethylene wax, stearate, stearic acid, polyethylene wax, paraffin or chlorinated paraffin.
7. nano modification PVC composite foam material according to claim 1, it is characterised in that: the stabilizer is organic
One or more of tin type thermal stabilizing agent, fatty acid heat stabilizer, fatty acid salt type thermal stabilizing agent or terres rares stabilizer
Mixing.
8. nano modification PVC composite foam material according to claim 1, it is characterised in that: the processing aid is third
The mixing of one or more of olefin(e) acid lipin polymer, styrene copolymer.
9. a kind of method for preparing the nano modification PVC composite foam material that any one of claims 1 to 8 is stated, including it is following
Step: Corvic, short glass fiber, foaming agent, lubricant, stabilizer and processing aid are proportionally added to high speed
After carrying out mixing in mixing machine 30 minutes, adds composite nano modified dose of mixed at high speed 15 minutes, be sent into twin-screw extrusion afterwards
In machine, the melting mixing at 130-170 DEG C, gained melt is cooling through water-carrying groove after double screw extruder squeezes out, and introduces pelletizing
Device carries out pelletizing to get nano modification PVC composite foam material is arrived.
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| CN114058065A (en) * | 2021-12-21 | 2022-02-18 | 湖南绿舟新型材料科技有限公司 | Functionalized montmorillonite modified PVC (polyvinyl chloride) plate and preparation method thereof |
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Denomination of invention: A nano modified PVC composite foam material and its preparation method Granted publication date: 20210212 Pledgee: Changzhou Jinsha Technology Investment Co.,Ltd. Pledgor: Changzhou aiten New Material Technology Co.,Ltd. Registration number: Y2024980059783 |