Eureka AIR delivers breakthrough ideas for toughest innovation challenges, trusted by R&D personnel around the world.

Hot-melt pressure-sensitive adhesive for gas-permeable membrane and preparation method of hot-melt pressure-sensitive adhesive

A technology of hot-melt pressure-sensitive adhesive and breathable film, which is used in adhesives, epoxy resin adhesives, polyurea/polyurethane adhesives, etc. Hot melt pressure sensitive adhesive application and other issues, to achieve good temperature resistance, improve chemical resistance and anti-fouling, and prevent agglomeration.

Inactive Publication Date: 2020-10-02
嘉好(太仓)新材料股份有限公司
View PDF4 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The biggest advantage of hot-melt pressure-sensitive adhesive is its low cost, but its disadvantage is that the viscosity is significantly affected by temperature
This also greatly limits the application of hot melt pressure sensitive adhesives
[0003] For example, at present, in the production process of the breathable film, hot-melt pressure-sensitive adhesive needs to be sprayed or scraped, but due to the poor heat resistance of the hot-melt pressure-sensitive adhesive, for example, it can only withstand the temperature of 60 ℃, which makes In winter, the double-sided tape has almost no stickiness and will be layered, but in summer, the glue on the surface of the double-sided tape will become hot and sticky, which greatly restricts the popularization and application of breathable membranes.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] The hot-melt pressure-sensitive adhesive used for the breathable film in this example is prepared from raw materials including the following components and parts by weight: 40 parts of thermoplastic elastomer, 15 parts of toughened epoxy resin, 20 parts of tackifying resin, functional modified 1.6 parts of permanent graphene, 0.6 parts of antioxidant and 2 parts of crosslinking agent.

[0033] Wherein, the preparation method of toughened epoxy resin is as follows:

[0034] Step A): Prepare materials according to the following components and parts by weight: 82 parts of epoxy resin, 32 parts of toughened elastomer, 16 parts of compatibilizer, 0.5 part of coupling agent and 0.5 part of processing aid;

[0035] Step B): The toughened elastomer, 50% compatibilizer, coupling agent and processing aid are mixed evenly at 130°C by weight, and kept warm for 30 minutes, and then epoxy resin is added while stirring, After mixing evenly, cool naturally to room temperature to obtai...

Embodiment 2

[0047] The hot-melt pressure-sensitive adhesive used for the breathable membrane in this example is prepared from raw materials including the following components and parts by weight: 20 parts of thermoplastic elastomer, 8 parts of toughened epoxy resin, 25 parts of tackifying resin, functional modified 0.5 part of graphene, 0.1 part of antioxidant and 1 part of crosslinking agent.

[0048] Wherein, the preparation method of toughened epoxy resin is as follows:

[0049] Step A): Prepare materials according to the following components and parts by weight: 80 parts of epoxy resin, 20 parts of toughened elastomer, 10 parts of compatibilizer, 0.3 part of coupling agent and 0.6 part of processing aid;

[0050] Step B): The toughened elastomer, 50% compatibilizer, coupling agent and processing aid are mixed evenly at 120°C by weight, and kept warm for 45 minutes, and then epoxy resin is added while stirring, After mixing evenly, cool naturally to room temperature to obtain a premix...

Embodiment 3

[0059] The hot-melt pressure-sensitive adhesive used for the breathable membrane in this example is prepared from raw materials including the following components and parts by weight: 45 parts of thermoplastic elastomer, 20 parts of toughened epoxy resin, 35 parts of tackifying resin, functional modified 5 parts of permanent graphene, 1 part of antioxidant and 5 parts of crosslinking agent.

[0060] Wherein, the preparation method of toughened epoxy resin is as follows:

[0061] Step A): Prepare materials according to the following components and parts by weight: 90 parts of epoxy resin, 40 parts of toughened elastomer, 30 parts of compatibilizer, 1 part of coupling agent and 2 parts of processing aid;

[0062] Step B): The toughened elastomer, 50% compatibilizer, coupling agent and processing aid are mixed evenly at 120°C by weight, and kept warm for 45 minutes, and then epoxy resin is added while stirring, After mixing evenly, cool naturally to room temperature to obtain a ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a hot-melt pressure-sensitive adhesive for a breathable film and a preparation method of the hot-melt pressure-sensitive adhesive. The hot-melt pressure-sensitive adhesive isprepared from the following raw materials in parts by weight: 20-45 parts of a thermoplastic elastomer, 8-20 parts of toughened epoxy resin, 20-35 parts of tackifying resin, 0.5-5 parts of functionalized modified graphene, 0.1-1 part of an antioxidant and 1-5 parts of a cross-linking agent. The preparation process is simple in steps and good in controllability, and the prepared hot-melt pressure-sensitive adhesive is good in temperature resistance, has stable cohesiveness with polyethylene materials, is high in initial adhesion and good in permanent adhesion, and has a very good application prospect.

Description

technical field [0001] The invention belongs to the technical field of polymer adhesives, and relates to a hot-melt pressure-sensitive adhesive for a breathable film and a preparation method thereof. Background technique [0002] As we all know, hot-melt pressure-sensitive adhesive is a kind of pressure-sensitive adhesive, which is mainly made by mixing synthetic rubber, resin and rubber oil into a molten state and then coating it on substrates such as tissue paper, cloth or plastic film. A new type of adhesive tape. Specifically, hot-melt pressure-sensitive adhesives have dual characteristics of hot-melt and pressure-sensitive. It becomes liquid when heated to 130-200°C, and can be used by spraying, roller coating, scraping, etc. When cooled to room temperature, it becomes solid again, and a certain pressure can produce good bonding effect. The biggest advantage of hot-melt pressure-sensitive adhesive is its low cost, but its disadvantage is that the viscosity is signific...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C09J153/02C09J175/04C09J163/00C09J157/02C09J161/14C09J201/04C09J123/08C09J193/04C09J163/04C09J11/04C09J11/08C09J11/06
CPCC08L2201/08C08L2205/02C08L2205/025C08L2205/035C09J11/04C09J11/06C09J11/08C09J123/0815C09J153/025C09J161/14C08L75/04C08L63/00C08L53/02C08L57/02C08L45/02C08K13/06C08K9/06C08K3/042C08K5/098C08L53/025C08L101/04C08L93/04C08L63/04C08L61/14
Inventor 史云霓朱志祥王敏
Owner 嘉好(太仓)新材料股份有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com