The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 25, 2025

Filed:

Jul. 29, 2020
Applicants:

Dow Global Technologies Llc, Midland, MI (US);

Dow Silicones Corporation, Midland, MI (US);

Inventors:

Kainan Zhang, Shanghai, CN;

Yabin Sun, Shanghai, CN;

Jeffrey M. Cogen, Collegeville, PA (US);

Timothy J. Person, Collegeville, PA (US);

Assignees:

Dow Global Technologies LLC, Midland, MI (US);

Dow Silicones Corporation, Midland, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 255/02 (2006.01); C08G 77/42 (2006.01); C08K 5/14 (2006.01); C08K 5/3492 (2006.01);
U.S. Cl.
CPC ...
C08F 255/02 (2013.01); C08G 77/42 (2013.01); C08K 5/14 (2013.01); C08K 5/34924 (2013.01);
Abstract

Disclosed is a process includes providing (A) an ethylene/MOCOS copolymer composed of (i) units derived from ethylene, (ii) from 0.01 wt % to 0.5 wt % units derived from a comonomer, and (iii) optionally units derived from a termonomer. The comonomer is a monocyclic organosiloxane (MOCOS) of formula (I) [R, RSiO]wherein n is an integer greater than or equal to 3, each Ris independently a (CC) alkenyl or a HC═C (R)—C(═O)—O—(CH)wherein Ris H or methyl; m is an integer from 1 to 4; and each Ris independently H, (CC) alkyl, phenyl, or R. The process includes mixing (B) a free radical initiator with (A) the ethylene/MOCOS copolymer to form a mixture, heating the mixture, and forming a crosslinkable ethylene/MOCOS copolymer composition having a gel content greater than 70%.


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