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.
Patent No.:
Date of Patent:
Aug. 24, 2021
Filed:
Sep. 29, 2017
Dow Silicones Corporation, Midland, MI (US);
Yan Zheng, Shanghai, CN;
Zhongwei Cao, Shanghai, CN;
Don Kleyer, Midland, MI (US);
Tassie Andersen, Salem, MA (US);
Dow Silicones Corporation, Midland, MI (US);
Abstract
A composition comprising: (A) an organopolysiloxane, (B) a filler and (C) a filler treatment agent, comprising a mixture of two organopolysiloxanes having the general formulas (I) and (II), RRRSi—[(CH)(MeSiO)]—[O-(MeSiO)]-(MeSi)(CH)(MeSiO)—(CH)—Si(OR)(I), wherein 'Me' is methyl group, R, Rand Rare independently selected from an alkyl group having 1 to 20 carbon atoms, an alkenyl group having 2 to 4 carbon atoms, an alkoxy group having 1 to 3 carbon atoms or —(OSiRRR), in which R, Rand Rare independently selected from an alkyl group having 1 to 4 carbon atoms, Ris an alkyl group having 1 to 4 carbon atoms, n1, n2, m1, m3 and o are integers from 1 to 200, m2, n3, r and p are integers from 0 to 200, r and p are not 0 at the same time, (RO)Si—[(CH)(MeSiO)]—(CH)—[O-(MeSiO)]-(MeSi)o-(CH)-(MeSiO)—(CH)—Si(OR)(II), wherein Rand Rare an alkyl group having 1 to 4 carbon atoms, n1, m1, m3, o and n2 are integers from 1 to 200, n3, n4, m2, r and p are integers from 0 to 200, r and p are not 0 at the same time.