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Novel gel-coating resin and preparation method thereof

A gel coat resin, a new type of technology, applied in the field of modified resin, can solve the problems of high price, poor wear resistance and hardness, etc.

Active Publication Date: 2012-06-20
GUODIAN UNITED POWER TECH LIANYUNGANG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Foreign special gel coat resins are excellent in all properties and are special resins for making gel coat layers of FRP products, but they are expensive; domestic general-purpose gel coat resins basically meet the requirements for making general FRP molds, but their wear resistance and hardness are far behind. Far inferior to foreign mold gel coat resin

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Embodiment 1, a kind of novel gel coat resin, it is made of the material of following weight ratio:

[0017] Epoxy resin 100; Carbon black 0.01;

[0018] Vapor SiO 2 2; Aluminum powder 100;

[0019] It is prepared by mixing uniformly by conventional methods.

Embodiment 2

[0020] Embodiment 2, a kind of novel gel coat resin, it is made of the material of following weight ratio:

[0021] Epoxy resin 100; Carbon black 0.05;

[0022] Vapor SiO 2 15; Aluminum powder 115;

[0023] Its preparation method step is as follows: add carbon black, gas phase SiO2 to epoxy resin according to the weight proportion 2 , after stirring evenly, use a grinder to grind and degas the mixture, so that the gas phase SiO 2 Disperse evenly with carbon black in epoxy resin to obtain a resin mixture; then add aluminum powder to the resin mixture in proportion, mix evenly and carry out vacuum treatment to obtain the product.

Embodiment 3

[0024] Embodiment 3, a kind of novel gel coat resin, it is made of the material of following weight ratio:

[0025] Epoxy resin 100; Carbon black 0.02;

[0026] Vapor SiO 2 4; Aluminum powder 105;

[0027] Its preparation method is with embodiment 2.

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PUM

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Abstract

The invention relates to a novel gel-coating resin, which is characterized in that the novel gel-coating resin is prepared from the following materials in parts by weight: 100 parts of epoxy resin, 0.01-0.05 part of carbon black, 2-15 parts of gas-phased SiO2 and 100-115 parts of aluminum powder. According to the invention, the strength, the coefficient of elongation and the abrasive resistance of the resin are effectively improved, the smoothness of material surfaces is improved, the anti-ageing performance is increased and the heat resistance is improved. In the invention, convenience for quality control in actual production is brought: uneven parts on the surface of a mould are easy to find by black lamplights. A method provided by the invention is safe and simple in the whole manufacturing process; and meanwhile, the cost of the gel-coating resin is greatly reduced and contributions to a glass fiber reinforced plastic industry are made to some extent.

Description

technical field [0001] The invention relates to a modified resin, in particular to a novel gel coat resin; the invention also relates to a preparation method of the aforementioned novel gel coat resin. Background technique [0002] As we all know, the gel coat resin of the mold plays a vital role in the quality of the FRP mold. The mold gel coat resin should have excellent properties such as low shrinkage, high elongation, wear resistance and heat resistance. However, due to the influence of the resin matrix of the gel coat, the added auxiliary materials, and quality control, the final product quality indicators such as the leveling, defoaming, viscosity, and thixotropy of the gel coat are very different, and it will also affect the quality of the mold. Gel coats have different effects. As the basic research technology of FRP becomes more and more mature, the variety and performance of gel coat resin continue to improve, which makes the application field of gel coat resin c...

Claims

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Application Information

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IPC IPC(8): C08L63/00C08K3/04C08K3/36C08K3/08
Inventor 秦明张大同何明陶生金林涛孙庆涛任拓
Owner GUODIAN UNITED POWER TECH LIANYUNGANG CO LTD
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