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Patent Searching and Data


Title:
POLYMER BASED ON (METH)ACRYLIC ACID ALKYL ESTER AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2019/039537
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing: a novel acrylic polymer which has moderate crosslinking reactivity and is suitable for use in sealant applications; and a sealant including the polymer. The polymer based on a (meth)acrylic acid alkyl ester of the present invention is characterized by having a weight-average molecular weight (Mw) and a number-average molecular weight (Mn), as determined by gel permeation chromatography (GPC), of 30,000-150,000 and less than 20,000, respectively, and by containing, per molecule of the polymer, 1.1-3.0 methyldimethoxysilyl groups, more than 0.5 side-chain methyldimethoxysilyl groups, and more than 0.5 terminal methyldimethoxysilyl groups.

Inventors:
AWATSU YASUHIRO (JP)
SHIMADA NAOKI (JP)
SENOO MITSUO (JP)
Application Number:
PCT/JP2018/031109
Publication Date:
February 28, 2019
Filing Date:
August 23, 2018
Export Citation:
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Assignee:
SOKEN KAGAKU KK (JP)
International Classes:
C08F220/10; C08F230/08; C09K3/10
Domestic Patent References:
WO2014024963A12014-02-13
WO2016002907A12016-01-07
Foreign References:
JP5355848B22013-11-27
JPS57179210A1982-11-04
JPH07258535A1995-10-09
JPH0971749A1997-03-18
JP2004292609A2004-10-21
JP2015025689A2015-02-05
JP5666904B22015-02-12
JP2016509618A2016-03-31
JPS50156599A1975-12-17
JP2539485B21996-10-02
JP4098890B22008-06-11
JP5355848B22013-11-27
Other References:
See also references of EP 3674335A4
Attorney, Agent or Firm:
SSINPAT PATENT FIRM (JP)
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