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:
Dec. 10, 2024
Filed:
May. 24, 2021
Momentive Performance Materials Japan Llc, Tokyo, JP;
Kikuo Mochizuki, Tokyo, JP;
Masahiro Fujita, Tokyo, JP;
MOMENTIVE PERFORMANCE MATERIALS JAPAN LLC, Tokyo, JP;
Abstract
There is provided a polyorganosiloxane composition capable of providing a cured product which has low hardness, high transparency, high tensile strength, and low surface tackiness. A curable polyorganosiloxane composition includes: (A) alkenyl group-containing polyorganosiloxane containing straight-chained polyorganosiloxane composed of (A1) both ends alkenyl group polyorganosiloxane having a predetermined viscosity and (A2) polyorganosiloxane having a predetermined viscosity and having 0.6 or more and less than 2 alkenyl groups on average, and (A3) resinous polyorganosiloxane; (B) polyorganohydrogensiloxane composed of (B1) both ends Si—H-containing straight-chained polyorganosiloxane, and (B2) polyorganosiloxane having 3 or more Si—H; and (C) a hydrosilylation reaction catalyst, in mounts that satisfy predetermined relationships.