EP0169536A2
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EP
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Curable polymer composition
Assignee: Kanegafuchi Chemical Industry Co Ltd
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Filing: 1985-07-23
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Granted: —
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Expires: 2005-07-23
Abstract
Abstract A moisture curable polymer composition comprising (A) an organic polymer having at least one reactive silicone group in a molecule and (B) a compound having one silanol group in a molecule and/or a compound which reacts with water or moisture to form a compound having one silanol group in a molecule, which is cured with moisture to give an elastomeric material with improved tensile properties and surface characteristics.
Inventors
- 👤 Fumio Kawakubo
- 👤 Sadao Yukimoto
- 👤 Miyako Takanoo
- 👤 Katsuhiko Isayama
- 👤 Takahisa Shiei-Higashitarumi Jutaku 5-304 Iwahara
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-01 10:51
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/54
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
157 words
A moisture curable polymer composition comprising (A) an organic polymer having at least one reactive silicone group in a molecule and (B) a compound selected from the group consisting of a compound having one silanol group in a molecule and a compound which reacts with water or moisture to form a compound having at least one silanol group in a molecule, wherein the reactive silicone group is a group of the formula: wherein R is a C 1 -C 20 alkyl or cycloalkyl group, a C 6 -C 20 aryl group, a C 7 -C 20 aralkyl group or a triorganosiloxy group of the formula: (R') 3 Si0- wherein R' is, the same or different, C 1 -C 20 monovalent hydrocarbon group, X is a hydroxyl group or, the same or different, a hydrolyzable group, a is 0, 1, 2 or 3, b is 0, 1 or 2, and m is an integer of 0 to 18.
Claim 2
Dependent Claim
157 words
A moisture curable polymer composition comprising (A) an organic polymer having at least one reactive silicone group in a molecule and (B) a compound selected from the group consisting of a compound having one silanol group in a molecule and a compound which reacts with water or moisture to form a compound having at least one silanol group in a molecule, wherein the reactive silicone group is a group of the formula: wherein R is a C 1 -C 20 alkyl or cycloalkyl group, a C 6 -C 20 aryl group, a C 7 -C 20 aralkyl group or a triorganosiloxy group of the formula: (R') 3 Si0- wherein R' is, the same or different, C 1 -C 20 monovalent hydrocarbon group, X is a hydroxyl group or, the same or different, a hydrolyzable group, a is 0, 1, 2 or 3, b is 0, 1 or 2, and m is an integer of 0 to 18.
Claim 3
Dependent Claim
17 words
A moisture curable composition according to claim 1, wherein the hydrolyzable group X is an alkoxy group.
Claim 4
Dependent Claim
53 words
A moisture curable composition according to claim 1, wherein the organic polymer (A) has a backbone of a polymer comprising units derived from an acrylate or methacrylate monomer of the formula: wherein R 3 is a hydrogen atom or a methyl group and R 4 is a C 1 -C 20 alkyl group.
Claim 5
Dependent Claim
153 words
A moisture curable composition according to claim 3, wherein the organic polymer (A) is one produced by polymerizing the acrylic or methacrylic monomer (II) in the presence of at least one compound selected from the group consisting of: (1) an ethylenically unsaturated monomer having a reactive silicone group of the formula: wherein R, X, a, b and m are the same as defined above and R 5 is an organic group having an-ethylenically unsaturated group, (2) an initiator having a reactive silicone group of the formula: wherein R, X, a, b and m are the same as defined above and R 6 is an organic group containing an azo or peroxy group, and (3) a chain transfer agent having a reactive silicone group of the formula : or wherein R, X, a, b and m are the same as defined above and R 8 is a C 1 -C 18 divalent organic group.
Claim 6
Dependent Claim
36 words
A moisture curable composition according to claim 1, wherein the organic polymer (A) is a polyalkyleneoxide having a backbone comprising units of the formula: wherein R 11 is a C 1 -C 8 organic divalent group.
Claim 7
Dependent Claim
160 words
A moisture curable composition according to claim 5, wherein the polyalkyleneoxide polymer is one produced by polymerizing at least one monomer selected from the group consisting of an ethylenically unsaturated monomer of the formula: wherein R 1 is a hydrogen atom, a halogen atom or a substitute or unsubstituted C 1 -C 10 aliphatic hydrocarbon group, and R 2 is a hydrogen atom, a halogen atom, a substitute or unsubstituted C 1 -C 10 aliphatic hydrocarbon group, a substituted or unsubstituted monovalent aromatic hydrocarbon group, an alkenyl group, a carboxyl group, acyloxy group, an alkoycarbonyl group, a nitrile group, pyridyl group, an amide group or a glycidoxy group and an ethylenically unsaturated monomer having a reactive silicone group of the formula: wherein R, R 5 , X, a, b and m are the same as defined above in the presence of the polymer having a backbone comprising units of the formula: wherein R 11 is the same as defined above.
Claim 8
Dependent Claim
24 words
A moisture curable composition according to claim 1, wherein the component (B) is a compound selected from the group consisting of (CH3)3SiNHSi(CH3)3 and bis(trimethylsilyl)acetamide.
References Cited (Backward Citations)
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