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WO2011118910A2 - Composé de revêtement de surface et procédé de revêtement pour une palette - Google Patents

Composé de revêtement de surface et procédé de revêtement pour une palette Download PDF

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Publication number
WO2011118910A2
WO2011118910A2 PCT/KR2011/000945 KR2011000945W WO2011118910A2 WO 2011118910 A2 WO2011118910 A2 WO 2011118910A2 KR 2011000945 W KR2011000945 W KR 2011000945W WO 2011118910 A2 WO2011118910 A2 WO 2011118910A2
Authority
WO
WIPO (PCT)
Prior art keywords
surface coating
coating composition
pallet
weight
diisocyanate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2011/000945
Other languages
English (en)
Korean (ko)
Other versions
WO2011118910A3 (fr
Inventor
이재훈
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020100025881A external-priority patent/KR101049756B1/ko
Priority claimed from KR1020100069093A external-priority patent/KR101082320B1/ko
Application filed by Individual filed Critical Individual
Publication of WO2011118910A2 publication Critical patent/WO2011118910A2/fr
Publication of WO2011118910A3 publication Critical patent/WO2011118910A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/02—Polyureas

Definitions

  • the present invention relates to a composition and coating method of a pallet surface coating mixture consisting of a pallet, wood, steel, etc., which are made of substances such as EPS (Expanded Polystyrene), urethane foam, PP (polypropylene), PE (polyethylene) having a chemical composition
  • EPS Expanded Polystyrene
  • urethane foam urethane foam
  • PP polypropylene
  • PE polyethylene
  • the surface of the pallet may be formed of a liquid polymer resin so as to prevent damages such as cracking and scratches caused by handling when loading or unloading items on a pallet surface made of EPS, urethane foam, PP, and PE having high density properties.
  • Pallets made of high-density EPS, urethane foam, PP, and PE may cause cracks due to load when loading or unloading items. Pallets made of wood are vulnerable to moisture and cannot be used for a long time due to corrosion due to moisture absorption. Do. In addition, in Korea, timber production is absolutely insufficient, and timber is imported and used in foreign countries. For the lamination pallets used for export goods, in accordance with the inspection regulations of imported countries and other countries, In order to avoid the transmission of pathogens, high-temperature heat treatment or the regulation of difficult hygiene and disinfection tests were carried out. Therefore, it was necessary to replace other substances with new chemical composition to avoid such strict regulations. . Even in the case of steel pallets, although they were manufactured at high prices due to the decrease in the durability life due to corrosion and the like, they were limited to use.
  • such a wooden pallet may cause damage to the product because the moisture content of the wood (containing up to about 30%) is changed depending on the surrounding environment when laminating moisture sensitive products.
  • plastic lamination pallets and steel pallets are manufactured, but the disadvantages thereof are bulky, heavy weights, high manufacturing costs, and the weight of pallets in actual transportation. The cost of the part is high.
  • the present invention is to solve the problems of the prior art as described above in the loading and unloading load on the pallet surface consisting of wood or steel or on the pallet surface made of EPS, urethane foam, PP, PE having a high density and high strength
  • EPS polyurethane foam
  • PP polyurethane-polyurea
  • Still another object of the present invention is to provide a light and cushioning pallet having a weight of about 1/10 to 1/2 of that of wood, steel, and plastic pallets.
  • Still another object of the present invention is to provide a pallet that is excellent in terms of environment and cost by not corrosive and does not require control against pests or molds.
  • Another object of the present invention is to provide a pallet imparted with the non-slip effect in order to prevent damage to the product.
  • the present invention to solve the above problems
  • a surface coating composition for pallets comprising 30 to 70% by weight of a urethane prepolymer and 70 to 30% by weight of at least one mixture selected from polyamines, polyhydric alcohols and chain extenders. .
  • the present invention also provides a surface coating composition for a pallet, comprising: a material (A) containing 70 to 99% by weight of a urethane prepolymer and 1 to 30% by weight of a solvent;
  • a surface coating composition for pallets in which a substance (B) containing at least one 70-99% by weight and a solvent 1-30% by weight selected from polyamines, polyhydric alcohols and chain extenders is 1: 1 mixed.
  • urethane prepolymer may be used that includes at least one polyisocyanate which may be aliphatic or aromatic, the aliphatic polyisocyanate is hexamethylene diisocyanate (HDI), tetraalkyl xylene diisocyanate, cyclo hexane diisocyanate, 1,12-dodecane diisocyanate, 1,4-tetramethylene diisocyanate, 1,3- and 1,4-cyclohexane diisocyanate, 1-isocyanate-3,3,5-trimethyl-5-isocyanatemethyl-cyclo Preference is given to using at least one selected from hexane (isophorone diisocyanate), 4,4'-, 2,2'- and 2,4'-dicyclohexyl-methane diisocyanate.
  • HDI hexamethylene diisocyanate
  • tetraalkyl xylene diisocyanate tetraalkyl
  • aromatic polyisocyanate is selected from 2,4- or 2,6-toluene diisocyanate, 2,4- or 4,4-diphenylmethane diisocyanate, P-phenyline diisosanate and polymethylene polyphenyl isocyanate.
  • the polyamine is preferably a polyoxyalkylene polyamine.
  • the polyhydric alcohol may be used at least one selected from polyether polyol, polyester polyol, polycarbonate polyol and polycaprolactone polyol
  • the chain extender is 1-methyl-3,5-diethyl -2,4- or 2,6-diaminobenzene (also referred to as diethyltoluene diamine or DETDA: US Alberta, Swiss Lonza); 1,3,5-triethyl-2,6-diaminobenzene; 3,5,3 ', 5'-tetraethyl-4,4'-diaminodiphenylmethane; Di (methylthio) -toluene diamine including 3,5-di (methylthio) -2,4 and 2,6-toluene diamine; N, N'-bis (t-butyl) ethylene diamine; 4,4'-methylenebis (2-isopropyl-6-methylaniline); 4,4'-methylenebis (2,6-diiso
  • the coating composition may further comprise a catalyst, in which case the catalyst is dibutyltin dilaurate, dibutyltin diacetate, diethyltin diacetate, dihexyltin diacetate, di-2-ethyl Hexyltin oxide, dioctyltin dioxide, stannous octoate, stannous oleate, trialkylamine (trimethylamine, triethylamine); N-alkylmorpholine (N-methylmorpholine, N-ethylmorpholine), 2,2′-dimorpholinodiethyl ether, 1,4-dimethylpiperazine, N, N, N ′, M′-tetra
  • a catalyst in which case the catalyst is dibutyltin dilaurate, dibutyltin diacetate, diethyltin diacetate, dihexyltin diacetate, di-2-ethyl Hexyltin oxide, dio
  • the solvent in the above uses at least one selected from DMA (N, N-dimethylacetamide), DMF (dimethylformamide), THF (Tetrahydrofuran), DMSO (dimethylsulfoxide) and propylene carbonate (Propylene carbonate).
  • DMA N, N-dimethylacetamide
  • DMF dimethylformamide
  • THF Tetrahydrofuran
  • DMSO dimethylsulfoxide
  • propylene carbonate Propylene carbonate
  • the pallet coated with the coating composition of the present invention has a tensile strength, hardness, etc. required for the pallet during transportation, loading or unloading of the article, and prevents cracking and provides a pallet that is light in weight and economical.
  • the durability of these pallets can be improved, and the occurrence of pests and molds can be suppressed. It can be provided.
  • the component A urethane prepolymer applied to the polyurea system of the present invention comprises at least one polyisocyanate which may be aliphatic or aromatic.
  • aromatic isocyanate type 2, 4- or 2, 6-toluene diisocyanate, 2, 4- or 4, 4- diphenylmethane diisocyanate, P-phenyline diisosanate, polymethylene polyphenyl isocyanate, or mixtures thereof, etc. It includes, but is not limited to.
  • Aliphatic isocyanates include hexamethylene diisocyanate (HDI), tetraalkyl xylene diisocyanate, cyclohexane diisocyanate, 1,12-dodecane diisocyanate, 1,4-tetramethylene diisocyanate, 1,3- and 1,4- Cyclohexane diisocyanate, 1-isocyanate-3,3,5-trimethyl-5-isocyanatemethyl-cyclohexane (isophorone diisocyanate), 4,4 '-, 2,2'- and 2,4'-dicyclo Hexyl-methane diisocyanate, and the corresponding isomer mixtures and the like.
  • HDI hexamethylene diisocyanate
  • tetraalkyl xylene diisocyanate cyclohexane diisocyanate
  • 1,12-dodecane diisocyanate 1,4-tetramethylene diisocyanate
  • Aliphatic / aromatic diisocyanates can here be used in combination or alone or in combination.
  • suitable polyhydric alcohols include polyetherpolyols, polyesterpolyols, polycarbonate polyols, polycaprolactone polyols, and other polyols. These polyols can be used independently or in combination of two or more.
  • Preferred aromatic and aliphatic isocyanate NCO (%) to meet the required physical properties has an isocyanate content of 18 to 25%.
  • component B of the present invention may use one or more selected from polyamines, polyhydric alcohols, and amine chain extenders.
  • the polyamine is preferably a polyoxyalkylene polyamine.
  • Polyoxyalkylene polyamines typically have a weight average molecular weight of about 200 to about 5000; It has 2-6, preferably 2-3 functional groups.
  • the total amount of polyamine in the total polyurea system of the present invention may range from about 50 to about 90 wt%, preferably from about 70 to about 90 wt%.
  • the reason for the content is that the elongation is 150% or more in the above range, the Shore D hardness is 50 or more and does not produce defective products such as cracks. In general, if the Shore D hardness is 70 or more, the elongation is high, and no problems such as cracks occur, a large area may be applied with a small amount of material.
  • chain extenders are 1-methyl-3,5-diethyl-2,4- or 2,6-diaminobenzene (also referred to as diethyltoluene diamine or DETDA: US Alberta, Switzerland Lonza) ); 1,3,5-triethyl-2,6-diaminobenzene; 3,5,3 ', 5'-tetraethyl-4,4,' diaminodiphenylmethane; Di (methyllio) -toluenediamine containing 3,5-di (methylthio) -2,4 and 2,6-toluene diamine; N, N'-bis (t-butyl) ethylenediamine; 4,4'-methylenebis (2-isopropyl-6-methylaniline); 4,4'-methylenebis (2,6-diisopropylaniline) and the like are used, and Clearlink 1000 (Clearlink 1000, UOP); Polyclear 136 (Basp).
  • Clearlink 1000 Clearlink
  • the total amount of chain extender in the total polyurea system of the present invention may range from about 20 to about 40 wt%, preferably from about 25 to about 35 wt%.
  • polyurethane groups comprising at least one polyamine and a chain extender, optionally blended with at least one polyhydric alcohol so as to produce a polyurethane-polyurea (aka hybrid) system of the mixture of the present invention.
  • Polyurethane-polyurea systems are made. The polyamines and chain extenders used therein are described in the pure polyureas above.
  • the amount of polyhydric alcohol is less than 50 wt%, preferably 10 to 30 wt%, based on the total polyfunctional isocyanate-reactive compound.
  • the advantage of such polyhydric alcohol addition has the smoothness and economical part of the surface according to the control of the curing rate.
  • a system comprising at least 70% of a polyurethane group comprising at least one polyhydric alcohol and optionally comprising at least one polyhydric alcohol and at least one amine as a chain extender so as to produce a polyurethane system of the mixture of the invention Is made.
  • the polyamines and chain extenders used therein are described in pure polyureas above.
  • the amount of polyhydric alcohol is at least 40 wt%, preferably 40 to 50 wt%, based on the total polyfunctional isocyanate-reactive compound.
  • the advantage of such polyhydric alcohol addition is that it is economical and flexible in coating.
  • suitable polyhydric alcohols include polyetherpolyols, polyesterpolyols, polycarbonate polyols, polycaprolactone polyols, and other polyols. These polyols can be used independently or in combination of two or more.
  • Catalysts are used in the urethane system, and the catalysts used are Pb-based, cobalt-based, bismuth-based, and tertiary amine or organic tin compounds.
  • the organic group in the organic portion may be a hydrocarbon group containing 1 to 8 carbon atoms.
  • dibutyl tin dilaurate dibutyl tin diacetate, diethyl tin diacetate, dihexyl tin diacetate, di-2-ethylhexyl tin oxide, dioctyl tin dioxide, stanox octoate, stano oleate
  • Trialkylamines trimethylamine, triethylamine
  • N-alkylmorpholine N-methylmorpholine, N-ethylmorpholine
  • 2,2'-dimorpholinodiethyl ether 1,4-dimethylpiperazine
  • N, N, N ', M'-tetra Methyl-1,3-butanediamine dimethyldiaminodiethylether and triethylenediamine.
  • the amount used to accelerate the chemical reaction is used less than 5% during the formulation, preferably less than 3wt%.
  • polyamines / polyols and chain extender (s) which are the components required for preparing the polyurethane, polyurea, polyurethane-polyurea elastomer systems of the invention.
  • (A) 'polyisocyanates and (B)' components are from about 30 to 70 wt% of component (A) 'to about 70 to 30 wt% of component (B)', most preferably from 50 to 50% mixture of components (A) 'and (B)' It shows the best physical properties.
  • a mechanical device is required.
  • the condition of the equipment is a two-component spray device with a static mixer or a two-component high pressure direct collision spraying machine.
  • the minimum pressure of the equipment used for this is at least 500 psi and preferably should be able to work under high pressure of about 1500 to about 3500 psi.
  • a device for heating and using the product may be installed as needed.
  • D2000 and T5000 are trade names of polyethylamine.
  • Hose Heater Temperature 70 °C for both A and B components
  • the solid content after curing of the A and B agents is possible up to 70 ⁇ 99% and the solvent may be used up to 1 ⁇ 30%.
  • a solvent may be added and mixed with each other. This is because, when a solvent is added to and mixed with one of the agents A and B, the reaction may be partially progressed to prevent uniform surface coating.
  • the solvent used in the present invention uses 1 to 30% by weight of at least one selected from DMA, DMF, THF, DMSO, and propylene carbonate.
  • the solvent is less than 1%, other materials are not dissolved, and if it exceeds 30%, it is hard to be cured after coating, so the above range is used.
  • the coating method using the A agent and the B agent which does not use the solvent of the present invention as described above is a time when the A and B agent is mixed with the A spraying agent and the curing time is a time that does not matter when the finger is touched. Since it is about 20 seconds, the pallet cannot be dipped and coated. However, if the solvent is added to A component and 10% of the solvent is mixed with B component, the drying time is increased to 2 hours, 4 hours using 20% by weight, and 8 hours using 30% by weight. This makes it easier to dip and coat rather than spraying the pallets one by one.
  • EXAMPLE 4 The following Table 4 shows the case where 10 weight% of solvents were used when a solvent is contained in both A component and B component.
  • the drying time is increased, so that the pallet can be sufficiently immersed to provide a desired pallet economically while saving time than the spraying method.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Paints Or Removers (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Pallets (AREA)

Abstract

La présente invention concerne un composé de revêtement de surface et un procédé de revêtement pour une palette d'EPS, mousse uréthane, PP, et PE pour charger et transporter des marchandises. Le composé de revêtement de surface et le procédé de revêtement peuvent prévenir les dommages, tels que des fêlures formées par les charges pendant le chargement ou le déchargement de marchandises sur et depuis des palettes généralement constituées de bois ou de fer et utilisées pour transporter des marchandises, et les traces de choc dues aux marchandises manipulées. Afin de prévenir la corrosion d'une palette, la palette est dans un premier temps immergée dans un liquide composé d'une résine polymère liquide (polyuréthane, polyurée, ou polyuréthane-polyurée) mélangée avec un solvant, et ensuite le revêtement est durci pour conférer une durabilité à la palette.
PCT/KR2011/000945 2010-03-23 2011-02-11 Composé de revêtement de surface et procédé de revêtement pour une palette Ceased WO2011118910A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2010-0025881 2010-03-23
KR1020100025881A KR101049756B1 (ko) 2010-03-23 2010-03-23 Ｅｐｓ, 우레탄발포체, ｐｐ, ｐｅ 파레트용 표면코팅 조성물
KR10-2010-0069093 2010-07-16
KR1020100069093A KR101082320B1 (ko) 2010-07-16 2010-07-16 파레트용 표면코팅 혼합물 및 코팅방법

Publications (2)

Publication Number Publication Date
WO2011118910A2 true WO2011118910A2 (fr) 2011-09-29
WO2011118910A3 WO2011118910A3 (fr) 2012-01-12

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PCT/KR2011/000945 Ceased WO2011118910A2 (fr) 2010-03-23 2011-02-11 Composé de revêtement de surface et procédé de revêtement pour une palette

Country Status (2)

Country Link
CN (1) CN102199393B (fr)
WO (1) WO2011118910A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022106733A1 (fr) * 2020-11-23 2022-05-27 Soluciones Ecologicas Ambientales, S.L. Revêtement protecteur pour contenants et emballages
EP4085097A4 (fr) * 2019-11-06 2024-01-03 Verte Technologies, LLC Composition polymère et procédé de revêtement de polystyrène expansé par la composition polymère
EP4423194A4 (fr) * 2021-10-29 2025-10-01 Verte Tech Llc Composition polymère et procédé de revêtement d'une palette en bois avec la composition polymère

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CN108349626A (zh) * 2015-09-30 2018-07-31 竹本直文 托板、箱体、装具、以及树脂成形体的制造方法
JP6831102B2 (ja) * 2017-01-30 2021-02-17 竹本　直文 水洗便器用タンク、管体、および管体敷設方法
CN108407343A (zh) * 2018-03-02 2018-08-17 北京空天物联科技有限公司 平托盘的制备方法和用于制备平托盘的装置
CN109575337B (zh) * 2018-11-13 2020-09-01 东北大学 一种超轻超强高分子/无机材料复合托盘及其制备方法
CN110712823A (zh) * 2019-10-18 2020-01-21 合肥美的电冰箱有限公司 包装件和强化工艺

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JP4318610B2 (ja) * 2004-07-30 2009-08-26 株式会社神戸製鋼所 表面処理金属板
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Publication number Priority date Publication date Assignee Title
EP4085097A4 (fr) * 2019-11-06 2024-01-03 Verte Technologies, LLC Composition polymère et procédé de revêtement de polystyrène expansé par la composition polymère
US12122891B2 (en) 2019-11-06 2024-10-22 Verte Technologies, LLC Polymer composition and process for coating expanded polystyrene with the polymer composition
EP4644482A1 (fr) * 2019-11-06 2025-11-05 Verte Technologies, LLC Composition polymère et procédé de revêtement de polystyrène expansé avec la composition polymère
WO2022106733A1 (fr) * 2020-11-23 2022-05-27 Soluciones Ecologicas Ambientales, S.L. Revêtement protecteur pour contenants et emballages
EP4423194A4 (fr) * 2021-10-29 2025-10-01 Verte Tech Llc Composition polymère et procédé de revêtement d'une palette en bois avec la composition polymère

Also Published As

Publication number Publication date
WO2011118910A3 (fr) 2012-01-12
CN102199393A (zh) 2011-09-28
CN102199393B (zh) 2015-02-04

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