MUMBAI, India, Oct. 26 -- Intellectual Property India has published a patent application (202617090859 A) filed by Nissin Chemical Industry Co. , Ltd. on July 27, 2026, for Vinyl Chloride-Silicone Graft Copolymer And Method For Producing Same.
Inventors include Yamazaki Koji; Okuda Harukazu; Mitta Yasuhiro Number; Maki Yoshinori; Uchida Koki; and Susuki Yudai.
The application for the patent was published on October 23, 2026, under issue no. 43/2026.
Abstract: The present invention provides a vinyl chloride-silicone copolymer having sliding properties, water repellency, alcohol resistance, substrate adhesion properties, and transparency. Provided is a vinyl chloride-silicone graft copolymer of (A) an organopolysiloxane of formula (1) and (B) vinyl chloride, wherein the mass ratio (A):(B) is 5:95 to 95:5. (In formula (1), R1 is a C1-20 monovalent hydrocarbon group, and R2 is a radical reactive functional group. X is a C1-20 monovalent hydrocarbon group, a C1-20 alkoxy group, or a hydroxyl group. Y is X or a group represented by -[O-Si(X)2]d-X. Z is a C1-4 alkyl group, a C1-4 alkoxy group, or a hydroxyl group. a is 0-10,000, b is 100-10,000, c is 0.0001-100, and d is 1-1,000.)
Disclaimer: Curated by HT Syndication.
