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Patent Searching and Data


Title:
METHOD FOR PRODUCING CURABLE SILICONE SHEET HAVING HOT MELT PROPERTIES
Document Type and Number:
WIPO Patent Application WO/2020/138408
Kind Code:
A1
Abstract:
[Problem] To provide: a method for efficiently producing a curable silicone sheet which exhibits excellent flatness and uniformity, and which is formed from a curable granular silicone composition that has hot melt properties, excellent handling properties and excellent curing characteristics; and a method for producing a multilayer body which comprises this curable silicone sheet. [Solution] A method for producing a curable silicone sheet having hot melt properties, which is characterized by comprising: a step 1 wherein organopolysiloxane resin fine particles, a curing agent ad a functional filler are mixed with each other; a step 2 wherein the mixture obtained in the step 1 is kneaded, while being heated and melted; a step 3 wherein the heated and melted mixture obtained in the step 2 is interposed between films that have at least one release surface; and a step 4 wherein the multilayer body obtained in the step 3 is stretched between rolls, thereby molding a curable silicone sheet that has a specific film thickness.

Inventors:
IMAIZUMI TORU (JP)
OZAKI KOUICHI (JP)
YAMAZAKI RYOSUKE (JP)
Application Number:
PCT/JP2019/051391
Publication Date:
July 02, 2020
Filing Date:
December 27, 2019
Export Citation:
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Assignee:
DOW TORAY CO LTD (JP)
International Classes:
B29C55/18; B29C48/08; B29C48/154; B29C48/25; B29C48/305; B29C48/88; B32B27/00; C08L83/04; C09J7/30; C09J11/04; C09J183/04; B29K83/00
Domestic Patent References:
WO2018030287A12018-02-15
WO2018030288A12018-02-15
Foreign References:
JP2006274007A2006-10-12
JP2018519369A2018-07-19
JP2007231039A2007-09-13
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