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Jiangyin Thousands Chemicals Co.

 [Jiangsu,China]

Business Type:Agent , Distributor/Wholesaler

Main Markets: Africa , Americas , Asia , Caribbean , East Europe , Europe , Middle East , North Europe , Oceania , Other Markets , West Europe , Worldwide

Exporter:61% - 70%

Certs:ISO/TS16949, ISO10012, ISO13485, ISO9001, ISO9002, ACS, AZO Free

Jiangyin Thousands Chemicals Co.
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Home> News> What is the effect of excessive curing agent on the weather resistance of the resin?

What is the effect of excessive curing agent on the weather resistance of the resin?

September 19, 2023
Excessive addition of curing agents usually does not directly affect the weather resistance of the Resin, as the weather resistance mainly depends on the chemical structure of the resin itself and the addition of weather modifying agents such as ultraviolet absorbers and antioxidants. However, excessive addition of curing agents may have an indirect impact on the weather resistance of the resin, as shown below:

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Affects the uniform dispersion of additives: Excessive Curing Agent may cause uneven dispersion of weather resistant modifiers added to the resin system. Excessive curing agents may reduce the solubility in the system, resulting in insufficient dissolution and dispersion of weather resistant modifiers in the resin, thereby reducing their effectiveness in the resin.

Impact on the chemical stability of the resin: Excessive Curing agent may lead to a decrease in the chemical stability of the resin. Overcuring may lead to an increase in the residue of unreacted curing agents in the resin, which may decompose or trigger reactions in harsh environments, leading to a decrease in the chemical stability of the resin.

Impact on surface quality: Excessive addition of curing agent may lead to a decrease in the surface quality of the resin, thereby affecting its weather resistance. Overcuring may lead to uneven residue of curing agent or other adverse reaction products on the resin surface, making the resin more susceptible to erosion and damage from external environments such as UV, oxygen, and humidity.

Therefore, when adding curing agents to the resin system, it is necessary to follow the recommended dosage range provided by the supplier and ensure the uniform dispersion of weather resistant modifiers in the resin. At the same time, according to specific application requirements and environmental conditions, select appropriate resin and additive combinations to improve the weather resistance of the resin.
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Author:

Ms. Chloe

E-mail:

info2@wqhxp.com

Phone/WhatsApp:

8617714007018

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Jiangyin Thousands Chemicals Co.
Tel:
86-0510-86055909
Whatsapp:
8617714007018
Email:
info2@wqhxp.com
Address:
No. 3808, Huangtu Zhencheng Road, Jiangyin City, Wuxi, Jiangsu,China, Wuxi, Jiangsu China
Website:
https://www.wqhxcomposite.com
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