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Preparation method of unsaturated polyester resin adhesive

A polyester resin, unsaturated technology, applied in the field of preparation of unsaturated polyester resin adhesives, can solve the problems of general performance and difficult curing, etc.

Inactive Publication Date: 2012-02-01
张苏侠
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unsaturated polyacid resin itself is a kind of adhesive, but its performance is average and it is not easy to cure

Method used

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Embodiment Construction

[0004] The present invention can be realized through the following technical solutions:

[0005] A method for industrialized production of unsaturated polyester resin adhesive is characterized in that it is composed of the following steps:

[0006] 1. First add liquid unsaturated polyester resin accounting for 50% of the total amount into the chemical reaction kettle, increase the temperature in the chemical reaction kettle to 50°C, then add styrene accounting for 15% of the total amount, mix and stir evenly, Then add epoxy resin accounting for 6% of the total amount, keep stirring and react for 2 hours.

[0007] 2. Keep the temperature constant, continue to stir, add 7% of the total amount of dibenzoyl peroxide, mix well and react for 0.5 hours.

[0008] 3. Keep the temperature constant, continue to stir, add ethylenediamine accounting for 5% of the total amount, and react for 0.5 hours after mixing evenly.

[0009] 4. Keep the temperature constant, continue to stir, add 5%...

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Abstract

The invention belongs to the field of chemical engineering, and discloses a preparation method of an unsaturated polyester resin adhesive. According to the preparation method, unsaturated polyester resin is adopted as a base material. An initiator, a modifier, a curing agent, a promoter and a filling material are added to the base material. The adhesive is characterized in that: the adhesive is in a single-fluid type, such that the adhesive is convenient to use; the viscosity of the adhesive is low, such that the adhesive is convenient for coating, and is easy to moisturize the surface of a material requiring splicing; the adhesive is cured in room temperature, and a curing time is short; various materials can be spliced by using the adhesive; the adhesive layer is colorless and transparent, and the adhesive brings no toxin. The adhesive is prepared from raw materials of liquid unsaturated polyester resin, styrene, epoxy resin, dibenzoyl peroxide, ethylenediamine, cobalt naphthenate, polyvinyl formal, potassium fluoroaluminate, and precipitated calcium carbonate.

Description

Technical field: [0001] The product of the invention belongs to the field of chemical industry. The characteristic is that it relates to a preparation method of an unsaturated polyester resin adhesive. Background technique: [0002] Unsaturated polyester resin is a linear polymer compound with ester bonds and unsaturated double bonds formed by polycondensation of unsaturated dibasic acid diols or saturated dibasic acid diols. Unsaturated polyester is a linear polymer compound with multifunctional groups, which is soluble in a suitable solvent and has good fluidity when heated. Unsaturated polyester resin is the most commonly used type of thermosetting resin, the relative density is about 1.11-1.20, and the volume shrinkage rate is relatively large during curing. The main characteristics of this resin are: 1. The thermal stability of most unsaturated polyester resins The deformation temperature is 50-60°C, and some resins with good heat resistance can reach 100°C-120°C; 2. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J167/06C09J163/00C09J129/14C09J11/06C09J11/04
Inventor 张苏侠
Owner 张苏侠
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