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A kind of method for preparing composite solid glue

A technology of solid glue and silica sol, which is applied in the direction of adhesives, adhesive types, adhesive additives, etc., can solve the problems of limited use, heat resistance, etc., and achieve strong reactivity, increased thermal performance, and good curing effects.

Active Publication Date: 2017-03-01
佛山市顺德区领锋新材料有限公司
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

But all these products are not heat-resistant, so the use is limited

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0018] According to the ratio in Table 1, react hydroxy acrylic resin and epoxy resin at 120°C for 30 minutes to obtain epoxy resin prepolymer; grind aluminum phosphate and mix it with talcum powder as filler.

[0019] Table 1 Raw material quality

[0020] Aluminum phosphate talcum powder Molybdenum oxide Hydroxy Acrylic Resin Bisphenol A type epoxy resin Novolac epoxy resin Embodiment one 100g 120g 20g 100g 480g Embodiment two 100g 130g 30g 100g 320g Embodiment Three 100g 160g 50g 100g 410g Embodiment four 100g 150g 60g 100g 360g Embodiment five 100g 180g 80g 100g 395g

[0021] According to the ratio in Table 2, mix the filler, ethylene glycol butyl ether, and silica sol (solid content is 45%; the particle size of silica is 150-430 nanometers) for 1 hour to obtain a mixture; sequentially mix sodium metaborate, sulfuric acid Add ester dispersant and succinic anhydride to the mixture, stir for ...

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PUM

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Abstract

The invention relates to a preparation method of a novel composite solid gum. The preparation method comprises the following steps: mixing a filling material, ethylene glycol monobutyl ether, and silica sol for one hour to obtain a mixture; then adding sodium metaborate, a dispersant, and succinic anhydride into the mixture in sequence, stirring for 0.5 hour, then adding epoxy resin prepolymer, stirring for 3 hours at a temperature of 140 DEG C; finally adding polyvinylpyrrolidone and zinc chloride hydrate, stirring for 8 hours at a temperature of 60 DEG C to obtain a compound; then filling the compound into a mould, and cold-pressing the compound to obtain the composite solid gum. The disclosed preparation method has the advantages that the raw material resources are wide, the preparation process is simple and controllable, only normal operation is needed, and the preparation method can be easily applied to industrialization.

Description

technical field [0001] The invention belongs to the technical field of preparation of novel composite materials, and in particular relates to a method for preparing composite solid glue. Background technique [0002] Most of the currently commercially available glue sticks use PVA and PVP as adhesives, which have low production costs and the performance of solid glue sticks, and have good market competitiveness in adhesion, moisture retention, shaping, and coating. However, according to the QB / T2857-2007 test, the commercially available solid glue sticks still generally have defects such as high colloidal viscosity, coating properties, poor wiping performance, poor moisture retention, and excessive free formaldehyde content, let alone high temperature resistance indicators. [0003] In order to further improve the product quality, reduce the sales price and meet the market demand, many experts and technicians have made a glue stick with good viscosity, smooth and delicate co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J139/06C09J187/00C09J11/04C09J11/06C08G81/02
Inventor 卢丙全
Owner 佛山市顺德区领锋新材料有限公司
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