Patent · US Active

Composition for preparing a release coating

US11390775B2 · kind B2 · utility

0Cited by
32References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 13, 2020
Grant dateJul 19, 2022
Priority date
Expiry dateNov 13, 2040

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G77/50
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A composition for forming a release coating is disclosed. The composition comprises (A) the reaction product of (1) a branched organopolysiloxane including M, D and Q siloxy units and an average of at least two silicon-bonded ethylenically unsaturated groups per molecule; and (2) an organosilicon compound having an average of at least two silicon-bonded hydrogen atoms per molecule; in the presence of a hydrosilylation catalyst. The composition further comprises (B) an organopolysiloxane having an average of at least two silicon-bonded ethylenically unsaturated groups per molecule.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.