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Water-based disposable degradable glue, and preparation method and application thereof

A one-time, glue-based technology, applied in the direction of adhesives, epoxy resin glue, adhesive types, etc., can solve the problem of not being able to withstand boiling water and cooking, and achieve good water-resistant effects

Pending Publication Date: 2020-07-03
旭川新材料(广东)股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the glue for disposable degradable paper straws on the market today cannot achieve the characteristics of boiling water resistance; although there are some glues for disposable degradable paper straws that can achieve the characteristics of boiling water resistance, but the use exceeds food safety. The content of limited substances clearly stipulated in laws and regulations

Method used

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  • Water-based disposable degradable glue, and preparation method and application thereof
  • Water-based disposable degradable glue, and preparation method and application thereof

Examples

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Effect test

Embodiment 1

[0022] A water-based disposable degradable glue, which is composed of the following ingredients in weight percentage: 32% vinyl acetate-ethylene copolymer emulsion, 5% pure acrylic emulsion, 10% water-based epoxy resin, 5% water-based polyurethane, and 3% polyvinyl alcohol , Polyvinyl butyral 1%, adipaldehyde 1%, oxidized starch 40%, chitosan 1%, hydroxypropyl methylcellulose 1%, ethyl cellulose 1%.

[0023] A preparation method of water-based disposable degradable glue, comprising the following steps:

[0024] 1) Dissolve polyvinyl alcohol, polyvinyl butyral, oxidized starch, hydroxypropyl methylcellulose, and ethyl cellulose in proportion, mix evenly at high speed to obtain a mixed solution, and set aside;

[0025] 2) After weighing vinyl acetate-ethylene copolymer emulsion, pure acrylic emulsion, water-based epoxy resin, and water-based polyurethane in proportion, add them to the mixed solution prepared in step 1), and stir rapidly at the same time to obtain a stirred solut...

Embodiment 2

[0028] A water-based disposable degradable glue, composed of the following ingredients in weight percentage: 55% vinyl acetate-ethylene copolymer emulsion, 35% pure acrylic emulsion, 0.3% water-based epoxy resin, 0.7% water-based polyurethane, 0.4% polyvinyl alcohol , polyvinyl butyral 1%, adipaldehyde 0.1%, oxidized starch 0.5%, chitosan 2%, hydroxypropyl methylcellulose 3%, ethyl cellulose 2%.

[0029] A preparation method of water-based disposable degradable glue, comprising the following steps:

[0030] 1) Dissolve polyvinyl alcohol, polyvinyl butyral, oxidized starch, hydroxypropyl methylcellulose, and ethyl cellulose in proportion, mix evenly at high speed to obtain a mixed solution, and set aside;

[0031] 2) After weighing vinyl acetate-ethylene copolymer emulsion, pure acrylic emulsion, water-based epoxy resin, and water-based polyurethane in proportion, add them to the mixed solution prepared in step 1), and stir rapidly at the same time to obtain a stirred solution,...

Embodiment 3

[0034] A water-based disposable degradable glue, composed of the following ingredients in weight percentage: 3% vinyl acetate-ethylene copolymer emulsion, 45% pure acrylic emulsion, 15% water-based epoxy resin, 5% water-based polyurethane, 12% polyvinyl alcohol , polyvinyl butyral 3%, adipaldehyde 0.5%, oxidized starch 5.5%, chitosan 7%, hydroxypropyl methylcellulose 3%, ethyl cellulose 1%.

[0035] A preparation method of water-based disposable degradable glue, comprising the following steps:

[0036] 1) Dissolve polyvinyl alcohol, polyvinyl butyral, oxidized starch, hydroxypropyl methylcellulose, and ethyl cellulose in proportion, mix evenly at high speed to obtain a mixed solution, and set aside;

[0037] 2) After weighing vinyl acetate-ethylene copolymer emulsion, pure acrylic emulsion, water-based epoxy resin, and water-based polyurethane in proportion, add them to the mixed solution prepared in step 1), and stir rapidly at the same time to obtain a stirred solution, whic...

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Abstract

The invention discloses water-based disposable degradable glue, and a preparation method and application thereof. The water-based disposable degradable glue is composed of the following components inpercentage by weight: 0.1 to 55% of a vinyl acetate-ethylene copolymer emulsion, 0.1 to 45% of a pure acrylic emulsion, 0.1 to 35% of waterborne epoxy resin, 0.1 to 20% of waterborne polyurethane, 0.1to 13% of polyvinyl alcohol, 0.1 to 3% of polyvinyl butyral, 0.1 to 1% of adipic dialdehyde, 0.1 to 40% of oxidized starch, 0.1 to 10% of chitosan, 0.1 to 5% of hydroxypropyl methyl cellulose and 0.1to 5% of ethyl cellulose. The water-based disposable degradable glue conforms to relevant laws and regulations of food safety and has steaming resistance and excellent bonding strength.

Description

technical field [0001] The invention relates to a water-based disposable degradable glue, a preparation method and application thereof. Background technique [0002] The general-purpose straws on the market are usually plastic tubes, and the most used material is polypropylene (PP), which has the advantages of simple processing and light weight. At the same time, this petroleum cracking product also has the disadvantage of being difficult to be biodegraded or otherwise degraded. With the increasing calls for environmental protection around the world, it is imminent to find alternative materials for plastic straws. [0003] At present, plant fiber is recognized as the most industrialized natural material in the world. Based on this material, using a safe and environmentally friendly water-based adhesive can produce paper straws with high stiffness, good safety performance, and environmental protection. . [0004] The glue used for disposable degradable paper straws must hav...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J131/04C09J103/10C09J133/04C09J163/00C09J175/04C09J129/04C09J129/14C09J105/08C09J11/06C09J11/08
CPCC08L2201/06C08L2205/02C08L2205/035C09J11/06C09J11/08C09J103/10C09J131/04C09J133/04C08L31/04C08L33/04C08L63/00C08L75/04C08L29/04C08L29/14C08L5/08C08L1/284C08L1/28C08K5/07C08L3/10
Inventor 郑辉王帅
Owner 旭川新材料(广东)股份有限公司
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