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A kind of high-viscosity flame-retardant adhesive and preparation method thereof

An adhesive, high-viscosity technology, applied in the direction of monocarboxylic acid ester copolymer adhesives, adhesives, adhesive types, etc., can solve the problems of safety hazards, insufficient viscosity, etc., achieve consistent fire, and improve the effect of viscosity

Active Publication Date: 2016-11-30
SUZHOU KONIG ELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are many brands and types of adhesives on the market, with a wide range of uses, but the problem of insufficient viscosity is common; and the adhesive itself is a flammable polymer material. If a fire occurs, it is likely to play a combustion-supporting role. Thereby speeding up the spread of the fire, leading to the occurrence of safety hazards

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0029] The preparation method of above-mentioned viscose, it may further comprise the steps:

[0030] (a) Add polyvinyl acetate, polypropylene, butyl rubber, polyvinyl butyral, and antioxidant to the container containing the most methylene chloride of the formula, stir and dissolve; (b) add Adding melamine and formaldehyde in the prescribed amount, heating to 100-150°C and reacting for 1-5 hours, (c) filtering, cooling and extruding the molten material. The method has a simple production process and is suitable for large-scale popularization. In step (a), after stirring and dissolving, the chlorinated polypropylene, lubricant and nucleating agent are sequentially added under the condition of constant stirring.

[0031] Preferred embodiment of the present invention will be described in detail below:

Embodiment 1

[0033] The present embodiment provides a kind of viscose, and its raw material formula is as follows:

[0034] 20 parts of polyvinyl acetate, the molecular size is 2×10 4 , the pH value is 4, and the softening point temperature is 30°C;

[0035] 10 parts of polypropylene, molecular weight 8×10 4 , with a density of 0.9g / cm 3 ;

[0036] 10 parts of butyl rubber, wherein the mass content of isoprene is 1%;

[0037] Polyvinyl butyral 5 parts, density 1.05g / cm 3 , with a glass transition temperature of 66°C and a molecular weight of 3×10 4 ;

[0038] 5 parts of dichloromethane;

[0039] 20 parts of melamine;

[0040] 20 parts of formaldehyde;

[0041] Antioxidant GSC-627 0.1 parts;

[0042] The preparation method of above-mentioned viscose, it may further comprise the steps:

[0043] (a) Add polyvinyl acetate, polypropylene, butyl rubber, polyvinyl butyral, antioxidant GSC-627 of formula quantity in the container that contains formula quantity dichloromethane, stir and ...

Embodiment 2

[0047] The present embodiment provides a kind of viscose, and its raw material formula is as follows:

[0048] 30 parts of polyvinyl acetate, the molecular weight is 2×10 5 , the pH value is 5, and the softening point temperature is 40°C;

[0049] 30 parts of polypropylene, the molecular weight is 1.5×10 5 , with a density of 0.95g / cm 3 ;

[0050] 30 parts of butyl rubber, wherein the mass content of isoprene is 5%;

[0051] 20 parts of polyvinyl butyral, the density is 1.15g / cm3 , with a glass transition temperature of 84°C and a molecular weight of 4.5×10 4 ;

[0052] 10 parts of dichloromethane;

[0053] 40 parts of melamine;

[0054] 40 parts of formaldehyde;

[0055] 2 parts of resorcinol;

[0056] 1 part talcum powder;

[0057] 10 parts of chlorinated polypropylene, density 0.9g / cm 3 , the mass content of chlorine element is 30%;

[0058] 1 part of pentaerythritol;

[0059] The preparation method of above-mentioned viscose, it may further comprise the steps:...

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Abstract

The invention relates to a high-viscosity flame-retardant adhesive and a preparation method thereof. The high-viscosity flame-retardant adhesive is prepared from 20-30 parts of polyvinyl acetate, 10-30 parts of polypropylene, 10-30 parts of butyl rubber, 5-20 parts of polyvinyl butyral, 5-10 parts of dichloromethane, 20-40 parts of melamine, 20-40 parts of formaldehyde and 0.1-2 parts of antioxidant. The melamine and formaldehyde added into the raw materials can form an organic integral body with the other components, thereby enhancing the viscosity of the adhesive. The addition of the melamine and formaldehyde generates unexpected effects. The melamine and formaldehyde can react to form a melamine-formaldehyde resin, so that the adhesive has certain flame retardancy, thereby preventing fire from propagation to some extent.

Description

technical field [0001] The invention belongs to the field of polymer materials and relates to an adhesive, in particular to an adhesive and a preparation method thereof. Background technique [0002] Adhesive is a kind of adhesive polymer material used between polymers, between polymers and non-metals or metals, between metals and metals, and between metals and non-metals. Adhesion is the result of the interaction between different material interfaces after contact, involving factors such as the interfacial tension of the adherend and the adhesive, surface free energy, properties of functional groups, and interfacial reactions. At present, there are many brands and types of adhesives on the market, with a wide range of uses, but the problem of insufficient viscosity is common; and the adhesive itself is a flammable polymer material. If a fire occurs, it is likely to play a combustion-supporting role. Thereby accelerating the spread of the fire, resulting in the occurrence o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J131/04C09J123/12C09J123/22C09J129/14C09J161/28C09J123/28
Inventor 朱建晓包建东
Owner SUZHOU KONIG ELECTRONICS TECH CO LTD