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Flame-retardant adhesive and application thereof

A flame retardant adhesive and flame retardant technology, applied in the direction of adhesives, adhesive additives, adhesive types, etc., can solve the problem that formaldehyde-free adhesives do not have flame retardant properties

Active Publication Date: 2021-05-18
BEIHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a flame-retardant adhesive and its application to solve the problem that the formaldehyde-free adhesive does not possess flame-retardant properties; meanwhile, the prepared flame-retardant adhesive is applied to the preparation of plywood to obtain a Fire retardant plywood

Method used

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  • Flame-retardant adhesive and application thereof
  • Flame-retardant adhesive and application thereof
  • Flame-retardant adhesive and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Preparation of a flame-retardant plywood containing DOPO-POSS flame retardant

[0033] (1) Preparation of DOPO-POSS flame retardant

[0034] After adding 10.0938g DOPO and 10g VTES in a 100ml three-necked flask with a magnetic stirring device, start stirring continuously, and adjust the stirring speed to 450r / min; after stirring evenly, add 0.1665g of AIBN, heat in an oil bath and slowly heat up to 81°C, the stirring speed was adjusted to 550r / min, and the reaction was carried out for 10 hours. The contents in the flask became clear and had a pungent smell. DOPO-VTES was obtained with a yield of 16.9g and a yield of 83%.

[0035] In a 100ml three-necked flask equipped with a magnetic stirring device and a condensing reflux device, dissolve 10.1g of DOPO-VTES in 50ml of methanol solution, heat in an oil bath and slowly raise the temperature to 81°C, and then slowly pour into the three-necked flask Add 3.2ml of hydrochloric acid solution dropwise, adjust the stirring spe...

Embodiment 2

[0043] Compared with Example 1, the difference is that the amount of filler added is 20g, and the amount of sizing is 200g / m 2 , other steps and parameters are the same as in Example 1.

Embodiment 3

[0045] Compared with Example 1, the difference is that the amount of filler added is 40g, and the amount of sizing is 300g / m 2 , other steps and parameters are the same as in Example 1.

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Abstract

The invention discloses a flame-retardant adhesive and application thereof, the main agent polyvinyl alcohol in a water-based polymer-isocyanate adhesive is subjected to phosphate esterification modification, meanwhile, a phosphorus-silicon flame retardant is used as a filler of the water-based polymer-isocyanate adhesive, the adhesive with flame retardance is prepared, the prepared flame-retardant adhesive is used, and a flame-retardant plywood is obtained bygluing,assembling and hot-pressing veneers according to a conventional process. The preparation method provided by the invention is simple and suitable for large-scale popularization.

Description

technical field [0001] The invention relates to the field of wood-based panel processing, in particular to a flame-retardant adhesive and its application. Background technique [0002] Plywood is one of the commonly used materials for furniture and interior decoration, and it is one of the three major wood-based panels. With the improvement of people's quality of life and the gradual increase in their attention to their physical and mental health, they attach great importance to the free formaldehyde released from plywood, and its negative impact on people's health cannot be underestimated. Water-based polymer-isocyanate adhesives, as a formaldehyde-free adhesive, are more and more widely used. However, water-based polymer-isocyanate adhesives do not have flame retardant properties, and water-based polymer-isocyanate adhesives are used. Although the plywood prepared by the agent has no formaldehyde release, the prepared plywood has poor flame retardancy, and there is a big ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J129/04C09J123/08C09J11/08
CPCC09J129/04C09J11/08C08L2201/02C08L23/0853C08L83/08Y02E60/10
Inventor 温明宇许俊贤朱嘉智
Owner BEIHUA UNIV