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Hot-melt adhesive for glass and preparation method for same

A hot melt adhesive and glass technology, applied in the direction of adhesives, graft polymer adhesives, adhesive types, etc., can solve the problems of weakening the bonding strength of materials, affecting the strength of materials, reducing performance, etc., and achieving strong anti-aging ability. , the effect of enhanced bonding performance and enhanced high temperature resistance

Active Publication Date: 2013-09-04
安徽金门工贸有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] There are many hot-melt adhesive-related products on the market, but as the temperature changes, the performance of traditional hot-melt adhesives also changes. When the temperature rises to a certain high temperature or drops to a certain low temperature, the performance of hot-melt adhesives will decrease. The bonding strength is weakened, which ultimately affects the strength of the material

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0018] Weigh the following components by weight (kg): EVA resin 100, neoprene tackifying resin 15, paraffin wax 18, polyvinyl chloride resin powder 20, light calcium carbonate 15, antioxidant 1010 0.1, antioxidant 300 0.3, antioxidant DTDTP 0.2, dioctyl phthalate 6, trioctyl trimellitate 2,

[0019] Preparation:

[0020] A, preparation of neoprene tackifying resin

[0021] (1) React 12kg neoprene rubber CR322, 15kg xylene, and 8kg maleic anhydride at 80°C for 2-3 hours;

[0022] (2) Then add 100kg terpene resin and 0.2kg 4,4′-thiobis(6-tert-butyl-3-methylphenol) at 140-160°C for 1-2 hours; the terpene resin softens The point is below 95°C.

[0023] (3) Then add 0.3kg of alum powder, 2kg of vinyltrimethoxysilane, 1kg of crosslinking agent TAIC, and 1kg of aluminum nitride and react at 150-160°C for 2-3 hours;

[0024] (4) Finally, the xylene solvent is distilled off to obtain a neoprene tackifying resin;

[0025] (5) Weigh the neoprene tackifying resin and other f...

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Abstract

The invention discloses a hot-melt adhesive for glass. The hot-melt adhesive for glass is prepared from the components in the following parts by weight: 100 parts of EVA (ethylene-vinyl acetate copolymer), 10-20 parts of chloroprene rubber tackifying resin, 15-20 parts of paraffin, 10-30 parts of polyvinyl chloride resin, 10-15 parts of light calcium carbonate, 0.1-0.2 part of antioxidant 1010, 0.1-0.3 parts of antioxidant 300, 0.1-0.2 part of antioxidant DTDP, 5-8 parts of dioctyl phthalate, and 1-2 parts of trioctyl trimellitate. The preparation method comprises the following steps of: preparing the chloroprene rubber tackifying resin at first, and then mixing the chloroprene rubber tackifying resin with the other raw materials, extruding via an extruder, cooling and slicing. By adding the home-made rubber tackifying resin in the formula, the prepared hot-melt adhesive disclosed by the invention is enhanced in adhesive performance and high-temperature-resistant performance, strong in anti-ageing capacity, and good in toughness.

Description

technical field [0001] The invention relates to the field of hot-melt adhesives, in particular to a hot-melt adhesive for glass and a preparation method thereof. Background technique [0002] Hot melt adhesive is a solid adhesive made of thermoplastic resin or elastomer as the base material, adding tackifier, plasticizer, antioxidant, flame retardant and filler, and melting and mixing. Compared with thermosetting, solvent-based and water-based adhesives, it has many advantages. Therefore, since the 1950s, hot-melt adhesives have developed rapidly in many fields, especially in printing, packaging and other industries. Glue replaced nail and wire binding, and began to be used in construction, aircraft, ships and automotive interior decoration and other fields. [0003] There are many hot-melt adhesive-related products on the market, but as the temperature changes, the performance of traditional hot-melt adhesives also changes. When the temperature rises to a certain high ...

Claims

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Application Information

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IPC IPC(8): C09J123/08C09J151/04C09J127/06C09J11/04C08F279/02
Inventor 方菊萍
Owner 安徽金门工贸有限公司
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