Photohärtbare Silikonzusammensetzung

Details

Veröffentlichungs-Nr.

EP4793299

Anmeldetag

26. August 2024

Veröffentlichung

17. April 2025

Rechtsraum

EP

IPC

C08F290/06

Abstract

The present invention is a photocurable silicone composition comprising: (A) organopolysiloxane represented by the formula (1); (B) an organic compound having an (meth)acrylic group, an epoxy group, and no alkoxysilyl group; (C) a photo-radical polymerization initiator; and (D) a silica powder having a BET specific surface area of 100 m²/g or more, wherein, in the component (A), a ratio of methyl groups bonded to a silicon atom to phenyl groups bonded to a silicon atom is 97:3 to 80:20. This can provide a photocurable silicone composition that is excellent in surface curability and deep curability and provides a low compression set.In the formula, R² represents a group represented by the formula (2),in the formula, R³ represents a methyl or phenyl group, Z¹ represents a divalent organic group, Z² represents an oxygen atom or a divalent organic group, and a line with a wave represents an attachment point.

Anmelder

Firma

SHIN-ETSU CHEMICAL CO., LTD.

Land

🇯🇵 Japan

Fachgebiete