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The performance requirements of high molecular weight epoxy resins are increasing day by day

 Last Update: 2021-04-26
 Source: Internet
 Author: User

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[China Epoxy Resin Industry Online] May 26, 2005: In this year of the refined development of epoxy resins, the development of high molecular weight epoxy resin products is also facing increasing performance requirements.
Experts from China Epoxy Resin Industry Association pointed out that on the one hand, this situation raised the production threshold of high molecular weight epoxy resins, and on the other hand, it also brought opportunities for the development of this product.

At present, the domestic high-molecular-weight epoxy resin production method adopts a two-step method, which is generally formed by repolymerizing liquid low-molecular-weight epoxy resin and bisphenol A under the action of a catalyst.

Among them, high-purity ECH and refined BPA must be used in the manufacture of liquid low-molecular-weight epoxy resin, and the process must be strictly controlled to clean the alkali and salt in the resin to minimize the content of inorganic and organic chlorine.

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