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Anti-stripping cyanoacrylate adhesive and preparation method thereof

An instant adhesive, anti-stripping technology, applied in the preparation of animal glue or gelatin, adhesives, graft polymer adhesives, etc. Fast and environmentally friendly

Active Publication Date: 2016-02-10
ZHEJIANG TIME NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its viscosity is relatively large and the amount of use is large

Method used

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  • Anti-stripping cyanoacrylate adhesive and preparation method thereof

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Embodiment 1

[0030] An anti-peeling instant adhesive, in parts by weight, comprises the following components:

[0031] 30 parts of ethyl α-cyanoacrylate,

[0032] 0.5 parts of EVA, 2 parts of β-propiolactone,

[0033] 0.5 parts of modified titanium oxide, 8 parts of gelatin,

[0034] 5 parts polyacrylate, 2 parts galactomannan,

[0035] 3 parts of hydroxyethyl cellulose, 1 part of coupling agent.

[0036] Its preparation method comprises the following steps:

[0037] (1) Mix and stir α-ethyl cyanoacrylate, EVA, β-propiolactone and polyacrylate evenly, heat and react at 100°C for 1 hour, cool down to 70°C, add galactomannan, hydroxyethyl Base cellulose and coupling agent, heated and melted for 1 hour to obtain a mixed material;

[0038] (2) Add gelatin and modified titanium oxide to the mixed material obtained in step (1), and distill under reduced pressure at 150° C. to obtain an anti-peeling instant adhesive.

Embodiment 2

[0040] An anti-peeling instant adhesive, in parts by weight, comprises the following components:

[0041] 50 parts of ethyl α-cyanoacrylate,

[0042] 4 parts of EVA, 5 parts of β-propiolactone,

[0043] 1 part of modified titanium oxide, 12 parts of gelatin,

[0044] 10 parts of polyacrylate, 8 parts of galactomannan,

[0045] 8 parts of hydroxyethyl cellulose, 1.5 parts of coupling agent.

[0046] Its preparation method comprises the following steps:

[0047] (1) Mix and stir α-ethyl cyanoacrylate, EVA, β-propiolactone and polyacrylate evenly, heat and react at 120°C for 3 hours, cool down to 80°C, add galactomannan, hydroxyethyl Base cellulose and coupling agent, heated and melted for 2 hours to obtain a mixed material;

[0048] (2) Add gelatin and modified titanium oxide to the mixed material obtained in step (1), and distill under reduced pressure at 150-180° C. to obtain an anti-peeling instant adhesive.

Embodiment 3

[0050] An anti-peeling instant adhesive, in parts by weight, comprises the following components:

[0051] 35 parts of ethyl α-cyanoacrylate,

[0052] 1 part of EVA, 2.5 parts of β-propiolactone,

[0053] 0.6 parts of modified titanium oxide, 9 parts of gelatin,

[0054] 6 parts polyacrylate, 3 parts galactomannan,

[0055] 4 parts of hydroxyethyl cellulose, 1.1 parts of coupling agent.

[0056] Its preparation method comprises the following steps:

[0057] (1) Mix and stir α-ethyl cyanoacrylate, EVA, β-propiolactone and polyacrylate evenly, heat and react at 105°C for 1.5h, cool down to 75°C, add galactomannan, hydroxyl Ethyl cellulose and a coupling agent were heated and melted for 1.2 hours to obtain a mixed material;

[0058] (2) Add gelatin and modified titanium oxide to the mixed material obtained in step (1), and distill under reduced pressure at 155° C. to obtain an anti-peeling instant adhesive.

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Abstract

The invention discloses an anti-stripping cyanoacrylate adhesive. The anti-stripping cyanoacrylate adhesive is prepared from, by weight, 30-50 parts of alpha-ethyl cyanoacrylate, 0.5-4 parts of EVA, 2-5 parts of beta-propiolactone, 0.5-1 part of modified titanium oxide, 8-12 parts of gelatin, 5-10 parts of polyacrylate, 2-8 parts of galactomannan, 3-8 parts of hydroxyethyl cellulose and 1-1.5 parts of coupling agent. The invention further discloses a preparation method of the anti-stripping cyanoacrylate adhesive. The anti-stripping cyanoacrylate adhesive is high in curing speed, good in water resistance, high in impact resistance, large in bonding strength, good in anti-stripping performance, small in use amount, free of toxicity and beneficial to environmental protection.

Description

Technical field: [0001] The invention relates to the technical field of adhesives, in particular to an anti-peeling instant adhesive. Background technique: [0002] Instant adhesive, that is, instant and fast glue, is mainly based on α-cyanoacrylate ethyl ester and added with a tackifier. Thickener, stabilizer, toughener, polymerization inhibitor, etc., a one-component fast-curing adhesive synthesized by advanced production technology; it is a high-strength, fast adhesive that can be used for high-speed bonding of various materials Adhesive work, especially suitable for use in the wood industry; for tight fit, porous materials, such as rubber metal, plastic, wood, etc., can achieve the strongest adhesive effect; this glue is a single component, solvent-free, no need to add catalysts , heating or pressurized adhesive, only need a thin layer of glue, it can use the atmospheric humidity in the air to produce a high degree of polymerization, to achieve the best bonding effect, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J151/00C09J189/00C09J11/08C09J11/04C09J11/06
Inventor 李晓明
Owner ZHEJIANG TIME NEW MATERIAL
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