MUMBAI, India, Oct. 11 -- Intellectual Property India has published a patent application (202517092273 A) filed by Dow Global Technologies Llc, Midland, U.S.A., on Sept. 25, for 'process for producing branched polyolefin.'
Inventor(s) include Sun, Lixin; Karjala, Thomas, Wesley, Jr.; and Carnahan, Edmund, M.
The application for the patent was published on Oct. 10, under issue no. 41/2025.
According to the abstract released by the Intellectual Property India: "The present disclosure provides a process. In an embodiment, the process includes contacting, under first polymerization conditions in a first polymerization reactor at a temperature less than 150 C, a first polymerization catalyst and a first cocatalyst with (i) an ethylene monomer and an optional a-olefin comonomer, and (ii) a dual-headed aluminum- alkyl chain transfer agent. The process includes first forming one or more telechelic aluminum-terminated polymer chains and feeding the one or more telechelic aluminum- terminated polymer chains to a second polymerization reactor. The second polymerization reactor has second polymerization conditions, a second polymerization catalyst, a second cocatalyst, and a temperature from 160 C to 250 C. The process includes contacting, in the second polymerization reactor, (iii) an ethylene monomer and an optional olefin comonomer, and (iv) the one or more telechelic aluminum-terminated polymer chains. The process includes forming an ethylene-based polymer having an I10/I2 greater than 8.0 and a vinyl content greater than 20/1,000,000C."
The patent application was internationally filed on Feb. 28, 2024, under International application No.PCT/US2024/017675.
Disclaimer: Curated by HT Syndication.
