A kind of anti-peeling instant adhesive and preparation method thereof

An instant adhesive and anti-peeling technology, which is applied in the preparation of animal glue or gelatin, adhesives, grafted polymer adhesives, etc., can solve the problems of high viscosity and large usage, and achieve the improvement of bonding strength and curing Fast speed and good peeling resistance

Inactive Publication Date: 2017-08-04
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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  • A kind of anti-peeling instant adhesive and preparation method thereof

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Embodiment 1

[0034] An anti-peeling instant adhesive, in parts by weight, comprises the following components:

[0035] 30 parts of ethyl α-cyanoacrylate,

[0036] 0.5 parts of EVA, 2 parts of β-propiolactone,

[0037] 0.5 parts of modified titanium oxide, 8 parts of gelatin,

[0038] 5 parts polyacrylate, 2 parts galactomannan,

[0039] 3 parts of hydroxyethyl cellulose, 1 part of coupling agent.

[0040] Its preparation method comprises the following steps:

[0041] (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;

[0042] (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

[0044] An anti-peeling instant adhesive, in parts by weight, comprises the following components:

[0045] 50 parts of ethyl α-cyanoacrylate,

[0046] 4 parts of EVA, 5 parts of β-propiolactone,

[0047] 1 part of modified titanium oxide, 12 parts of gelatin,

[0048] 10 parts of polyacrylate, 8 parts of galactomannan,

[0049] 8 parts of hydroxyethyl cellulose, 1.5 parts of coupling agent.

[0050] Its preparation method comprises the following steps:

[0051] (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;

[0052] (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

[0054] An anti-peeling instant adhesive, in parts by weight, comprises the following components:

[0055] 35 parts of ethyl α-cyanoacrylate,

[0056] 1 part of EVA, 2.5 parts of β-propiolactone,

[0057] 0.6 parts of modified titanium oxide, 9 parts of gelatin,

[0058] 6 parts polyacrylate, 3 parts galactomannan,

[0059] 4 parts of hydroxyethyl cellulose, 1.1 parts of coupling agent.

[0060] Its preparation method comprises the following steps:

[0061] (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;

[0062] (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

[0001] Technical field: [0002] The invention relates to the technical field of adhesives, in particular to an anti-peeling instant adhesive. [0003] Background technique: [0004] 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 b...

Claims

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Application Information

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