Treatment agent for electronic-grade low-dielectric fiberglass cloth, and preparation method thereof

US12241199B2 · kind B2 · utility

Assignee

• TAISHAN FIBERGLASS ZOUCHENG CO., LTD. · CN

Inventors

• Wei Li · 东风镇, CN
• Qiang Fang · Ballston Lake, US
• Huaqing Xiao · 北关社区, CN
• Yingying Zhang · Beijing, CN
• Dongfeng Liu · San Francisco, US
• Siqi Niu · 北关社区, CN
• Lin-Chieh Wei · Xiamen, CN
• Xiaochen Wang · Weifang, CN

Key dates

• Filing date: May 7, 2022
• Grant date: Mar 4, 2025
• Expiry date: May 7, 2042

Classification

• Technology area (CPC D): Textiles; Paper
• CPC primary: D06M15/227
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A treatment agent for an electronic-grade low-dielectric fiberglass cloth, and a preparation method thereof are provided. The treatment agent for an electronic-grade low-dielectric fiberglass cloth is prepared from the following raw materials in weight percentages: a coupling agent A: 0.6% to 1.2%, a coupling agent B: 0.3% to 0.8%, a coupling agent additive: 0.01% to 1.5%, an alcohol: 0.1% to 0.5%, an acid: 0.1% to 0.5%, and water: the balance, where the coupling agent A is a vinyl-containing coupling agent; the coupling agent B is a vinylbenzyl-containing coupling agent; and the coupling agent additive is a salt of a maleic anhydride (MA)-grafted copolymer. On the basis of meeting the low dielectric performance, the treatment agent of the present disclosure improves the binding performance of the low-dielectric fiberglass cloth to a low-dielectric customer resin and enhances the mechanical performance and heat resistance of the low-dielectric fiberglass cloth.