FOAMABLE SILICONE COMPOSITION, PREPARATION METHOD AND USE THEREOF

Title:

FOAMABLE SILICONE COMPOSITION, PREPARATION METHOD AND USE THEREOF

Document Type and Number:

WIPO Patent Application WO/2021/035460

Kind Code:

A1

Abstract:

The present invention provides a two-component foamable silicone composition comprising: a component A comprising (a) at least one polyorganosiloxane having at least one vinyl group, (b) at least one chemical blowing agent, and (c) at least one catalyst; and a component B comprising (d) at least one polyorganosiloxane having at least one vinyl group, and (e) at least one polyorganosiloxane having at least one -SiH group, and at least one expandable graphite in an amount of less than 10%by weight, based on the total weight of the component B, which exhibits excellent flame retardancy, good sealing performance, high compression rate, low gasket density, good dispensing continuity and good cell structure. The present invention also provides a preparing method and use thereof.

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Inventors:

WU XIAOMENG (CN)
GUO BINGBING (CN)
SHEN DONGMEI (CN)

Application Number:

PCT/CN2019/102477

Publication Date:

March 04, 2021

Filing Date:

August 26, 2019

Export Citation:

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Assignee:

HENKEL AG & CO KGAA (DE)
HENKEL CHINA CO LTD (CN)

International Classes:

C08L83/05; C08J9/06

Foreign References:

US20100003484A1	2010-01-07
US20140024731A1	2014-01-23
CN109762342A	2019-05-17
CN101845223A	2010-09-29
CN106589954A	2017-04-26

Other References: