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Title:
An improvement of the compression strain characteristic in silyl-ized polymer
Document Type and Number:
Japanese Patent JP6073899
Kind Code:
B2
Abstract:
Moisture curable compositions including silylated polymers and methods for producing the same are provided. A two component moisture curable system for producing a cured or cross-linked silylated polymer having improved compression set properties is provided. The two component system comprises a first formulation and a second formulation. The first formulation comprises a silylated polymer, water, and filler and the second formulation comprises the silylated polymer, a curing catalyst comprising at least one Brønsted acid, and a moisture scavenger. The final cured formulation may have a compression set, determined by ASTM D395 or ISO 815-1, of less than 100%, and in some examples less than 50% and in some examples less than 15%. This demonstrated improvement in compression set not only allows the silylated polymers to be used in applications where cyclic loads are applied but also enhances product durability.

Inventors:
Kamesh Earl Buya Karanam
Lin Chan
Bencat S Minicanti
Dwight Dee Razam
Sarah Assad
Raja Dougal
William A. Coons
Application Number:
JP2014533598A
Publication Date:
February 01, 2017
Filing Date:
September 17, 2012
Export Citation:
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Assignee:
Dow Global Technologies LLC
International Classes:
C08L101/10
Domestic Patent References:
JP2005179677A
JP2007517075A
JP9506915A
JP2000128944A
JP2002226317A
JP2012533678A
JP2008520777A
JP2010150380A
JP6172648A
Foreign References:
US20050137324
WO2009011329A1
Attorney, Agent or Firm:
Hiroshi Kobayashi
Norio Omori
Yasuhito Suzuki