Härtbare Organopolysiloxanzusammensetzung für Trennfolien und Trennfolie

Details

Veröffentlichungs-Nr.

EP4793329

Anmeldetag

1. Oktober 2024

Veröffentlichung

17. April 2025

Rechtsraum

EP

IPC

C09K3/00, C08L83/05, C08L83/07

Abstract

Disclosed is a curable organopolysiloxane composition which contains the components (A), (B), (C) and (D) described below, does not separate or precipitate an addition reaction control agent even when stored at low temperatures, has excellent low-temperature storage stability, and has excellent pot life at high temperatures. (A) an organopolysiloxane which has an alkenyl group bonded to a silicon atom, (B) an organohydrogenpolysiloxane, (C) an addition reaction control agent which contains the components (C-1) and (C-2) described below, and is in an amount of 0.06-0.60 part by mass relative to a total of 100 parts by mass of the components (A) and (B), wherein the mass ratio (C-2)/(C-1) of the component (C-2) to the component (C-1) is 0.10-5.00, the component (C-1) is an acetylene alcohol having a boiling point of 150-189°C, and the component (C-2) is a compound having a refractive index of 1.420-1.450 at 25°C and a boiling point of 190°C or higher, (D) a platinum group metal-based catalyst.

Anmelder

Firma

SHIN-ETSU CHEMICAL CO., LTD.

Land

🇯🇵 Japan

Fachgebiete