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WO2019080695A1 - Vaisselle antibactérienne, dégradable, écologique et son procédé de préparation - Google Patents

Vaisselle antibactérienne, dégradable, écologique et son procédé de préparation

Info

Publication number
WO2019080695A1
WO2019080695A1 PCT/CN2018/108812 CN2018108812W WO2019080695A1 WO 2019080695 A1 WO2019080695 A1 WO 2019080695A1 CN 2018108812 W CN2018108812 W CN 2018108812W WO 2019080695 A1 WO2019080695 A1 WO 2019080695A1
Authority
WO
WIPO (PCT)
Prior art keywords
tableware
starch
friendly antibacterial
mixed slurry
environmentally
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/CN2018/108812
Other languages
English (en)
Chinese (zh)
Inventor
甄坤华
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.)
Wu Zeming
Original Assignee
Wu Zeming
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
Application filed by Wu Zeming filed Critical Wu Zeming
Publication of WO2019080695A1 publication Critical patent/WO2019080695A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08L3/02—Starch; Degradation products thereof, e.g. dextrin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C08K2003/0806—Silver
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/06—Biodegradable
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16—Fibres; Fibrils

Definitions

  • the invention relates to a disposable tableware, in particular to a degradable environmentally-friendly antibacterial tableware and a preparation method thereof.
  • Disposable tableware can be found everywhere in our lives and is used very frequently. Such as ordinary families, restaurants, hotels, supermarkets and other places have a large number of uses. Disposable tableware is convenient and hygienic and is an indispensable part of our life, but it is usually made of plastic materials that are difficult to degrade or made of wood pulp. Tableware made of plastic is not environmentally friendly and has poor antibacterial properties. The tableware is costly and environmentally unfriendly. It is well known that silver can be used as a non-polar antibacterial agent, but if silver is used as a disposable tableware, the cost is very high and does not meet market demand.
  • the present invention provides a degradable environmentally-friendly antibacterial tableware and a preparation method thereof.
  • the technical scheme adopted by the invention is: a degradable environmentally-friendly antibacterial tableware comprising the following parts by weight: ramie bone powder 25-40; starch 40-50; plasticizer 5-10; oil repellent 5-8; Waterproofing agent 3-6, nano silver 0.1-0.2.
  • starch is one of or a mixed starch of cereal or potato starch.
  • oil repellent is a cationic paper fluorocarbon oil repellent.
  • the plasticizer is one or more of sodium alginate, sodium carboxymethylcellulose, glycerin, propylene glycol, sorbitol, polylactic acid, and casein gum.
  • a method for preparing a degradable environmentally-friendly antibacterial tableware comprises the following steps:
  • ramie fiber is crushed and passed through a 20-80 mesh sieve to obtain ramie bone powder
  • the mixed slurry is quantitatively supplied to the pulp molding device, the mixed slurry in the pulp molding device is absorbed by the vacuum pump, and the mixed slurry after the water absorption is adsorbed on the mesh mold of the pulp molding device, and Spraying the nano silver ion solution, and then placing the net mold into the setting machine, and pressing and drying the mixed slurry at high temperature and high pressure through the upper mold and the lower mold of the setting machine to obtain the initial product;
  • the initial product is placed in a trimming die, and the excess corners are cut by a trimming device to obtain a finished tableware.
  • the stirring time in the step b is 20-30 minutes.
  • the setting press pressing temperature is 120-150 °C.
  • the setting press pressing time is 1.5-4 seconds.
  • the sterilization method in the step e is ultraviolet sterilization.
  • the invention utilizes ramie as the main raw material, has low cost, wide raw materials, can be completely biodegraded, is environmentally friendly, can be processed into disposable tableware, specific packaging materials and the like, and does not cause white pollution like foamed tableware or plastic tableware. .
  • nano silver is added as an antibacterial agent for tableware, and has a good antibacterial effect, which can effectively increase the food preservation time.
  • a degradable environmentally-friendly antibacterial tableware comprising the following parts by weight: ramie bone powder 25; starch 40; plasticizer 5; oil repellent 5; water repellent 3, nano silver 0.1.
  • the addition of nanosilver to the ingredients can have an antibacterial effect.
  • starch is one of or a mixed starch of cereal or potato starch. Specifically, corn starch, wheat starch, sweet potato starch, potato starch, and the like can be used.
  • oil repellent is a cationic paper fluorocarbon oil repellent.
  • the plasticizer is one or more of sodium alginate, sodium carboxymethylcellulose, glycerin, propylene glycol, sorbitol, polylactic acid, and casein gum.
  • a method for preparing a degradable environmentally-friendly antibacterial tableware comprises the following steps:
  • ramie fiber is crushed and passed through a 20-80 mesh sieve to obtain ramie bone powder
  • the mixed slurry is quantitatively supplied to the pulp molding device, the mixed slurry in the pulp molding device is absorbed by the vacuum pump, and the mixed slurry after the water absorption is adsorbed on the mesh mold of the pulp molding device, and Spraying the nano silver ion solution, and then placing the net mold into the setting machine, and pressing and drying the mixed slurry at high temperature and high pressure through the upper mold and the lower mold of the setting machine to obtain the initial product;
  • the initial product is placed in a trimming die, and the excess corners are cut by a trimming device to obtain a finished tableware.
  • the stirring time in the step b is 20 minutes.
  • the setting press temperature is 120 °C.
  • the setting press time is 1.5 seconds.
  • the sterilization method in the step e is ultraviolet sterilization.
  • a degradable environmentally-friendly antibacterial tableware comprising the following parts by weight: ramie bone powder 30; starch 45; plasticizer 8; oil repellent 6; water repellent 5, nano silver 0.15
  • starch is one of or a mixed starch of cereal or potato starch. Specifically, corn starch, wheat starch, sweet potato starch, potato starch, and the like can be used.
  • oil repellent is a cationic paper fluorocarbon oil repellent.
  • the plasticizer is one or more of sodium alginate, sodium carboxymethylcellulose, glycerin, propylene glycol, sorbitol, polylactic acid, and casein gum.
  • a method for preparing a degradable environmentally-friendly antibacterial tableware comprises the following steps:
  • ramie fiber is crushed and passed through a 20-80 mesh sieve to obtain ramie bone powder
  • the mixed slurry is quantitatively supplied to the pulp molding device, the mixed slurry in the pulp molding device is absorbed by the vacuum pump, and the mixed slurry after the water absorption is adsorbed on the mesh mold of the pulp molding device, and Spraying the nano silver ion solution, and then placing the net mold into the setting machine, and pressing and drying the mixed slurry at high temperature and high pressure through the upper mold and the lower mold of the setting machine to obtain the initial product;
  • the initial product is placed in a trimming die, and the excess corners are cut by a trimming device to obtain a finished tableware.
  • the stirring time in the step b is 26 minutes.
  • the setting press temperature is 140 °C.
  • the setting press time is 3 seconds.
  • the sterilization method in the step e is ultraviolet sterilization.
  • a degradable environmentally-friendly antibacterial tableware comprising the following parts by weight: ramie bone powder 40; starch 50; plasticizer 10; oil repellent 8; water repellent 6, nano silver 0.2.
  • starch is one of or a mixed starch of cereal or potato starch. Specifically, corn starch, wheat starch, sweet potato starch, potato starch, and the like can be used.
  • oil repellent is a cationic paper fluorocarbon oil repellent.
  • the plasticizer is one or more of sodium alginate, sodium carboxymethylcellulose, glycerin, propylene glycol, sorbitol, polylactic acid, and casein gum.
  • a method for preparing a degradable environmentally-friendly antibacterial tableware comprises the following steps:
  • ramie fiber is crushed and passed through a 20-80 mesh sieve to obtain ramie bone powder
  • the mixed slurry is quantitatively supplied to the pulp molding device, the mixed slurry in the pulp molding device is absorbed by the vacuum pump, and the mixed slurry after the water absorption is adsorbed on the mesh mold of the pulp molding device, and Spraying the nano silver ion solution, and then placing the net mold into the setting machine, and pressing and drying the mixed slurry at high temperature and high pressure through the upper mold and the lower mold of the setting machine to obtain the initial product;
  • the initial product is placed in a trimming die, and the excess corners are cut by a trimming device to obtain a finished tableware.
  • the stirring time in the step b is 30 minutes.
  • the setting press temperature is 150 °C.
  • the setting press time is 4 seconds.
  • the sterilization method in the step e is ultraviolet sterilization.
  • the invention utilizes bamboo and bamboo leaves as main raw materials, has low cost, wide raw materials, can be completely biodegraded, is environmentally friendly, can be processed into disposable tableware, specific packaging materials and the like, and is not like foamed tableware or plastic tableware. Causes white pollution.
  • nano silver is added as an antibacterial agent for tableware, and has a good antibacterial effect, which can effectively increase the food preservation time.
  • the process fully realizes fully automated production operation, and can produce a variety of tableware products on the same production line.
  • the whole production system is energy-saving and environmentally friendly, and the product has good antibacterial, antibacterial and bactericidal properties, and has high practical production and application value.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Paper (AREA)

Abstract

La présente invention concerne une vaisselle antibactérienne, dégradable et écologique qui comprend les matières premières suivantes, en parties en poids : poudre de tige de ramie 25 à 40; amidon 40 à 50; plastifiant 5 à 10; agent d'imperméabilisation à l'huile 5 à 8; agent d'imperméabilisation 3 à 6; nanoparticules d'argent 0,1 à 0,2. La présente invention utilise de la ramie en tant que matière première principale, car son coût est faible, et les sources de matières premières sont importantes; la présente invention est entièrement biodégradable, écologique et peut être traitée pour donner une vaisselle jetable, des matériaux d'emballage particuliers et autre, et ne va pas provoquer de pollution blanche, comme la vaisselle en mousse ou la vaisselle en plastique. Pendant le processus de fabrication, des nanoparticules d'argent sont ajoutées en tant qu'agent antibactérien pour vaisselle, et la vaisselle présente ainsi un bon effet antibactérien et peut efficacement augmenter le temps de conservation des aliments.
PCT/CN2018/108812 2017-10-26 2018-09-29 Vaisselle antibactérienne, dégradable, écologique et son procédé de préparation Ceased WO2019080695A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201711016832.2A CN107652474A (zh) 2017-10-26 2017-10-26 一种可降解环保抗菌餐具及其制备方法
CN201711016832.2 2017-10-26

Publications (1)

Publication Number Publication Date
WO2019080695A1 true WO2019080695A1 (fr) 2019-05-02

Family

ID=61095011

Family Applications (1)

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PCT/CN2018/108812 Ceased WO2019080695A1 (fr) 2017-10-26 2018-09-29 Vaisselle antibactérienne, dégradable, écologique et son procédé de préparation

Country Status (2)

Country Link
CN (1) CN107652474A (fr)
WO (1) WO2019080695A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119307113A (zh) * 2024-11-08 2025-01-14 内蒙古工业大学 一种可降解防水保温抗菌餐盒及其制备方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107652474A (zh) * 2017-10-26 2018-02-02 台山市世亨包装材料有限公司 一种可降解环保抗菌餐具及其制备方法
CN110760196A (zh) * 2019-11-19 2020-02-07 安徽壳氏环保科技有限公司 一种新型环保可降解淀粉基植物纤维吸管

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Publication number Priority date Publication date Assignee Title
CN119307113A (zh) * 2024-11-08 2025-01-14 内蒙古工业大学 一种可降解防水保温抗菌餐盒及其制备方法

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