EP0372561A2
Expired / Lapsed
EP
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Moisture-curable resin composition
Assignee: AGC Inc
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Filing: 1989-12-07
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Granted: —
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Expires: 2009-12-07
Abstract
Abstract A moisture-curable resin composition containing a hydrolyzable silyl group-containing polyether compound as a curable component, said polyether compound comprising polyoxyalkylene chains derived from a polyoxyalkylene polyol having a hydroxyl value (x mgKOH/g) of from 5 to 35, a total degree of unsaturation (y meq/g) of not higher than 0.07 meq/g and y ≦ 0.9/(x-10), from 2 to 8 hydroxyl groups, and a content of oxyalkylene groups having at least 3 carbon atoms, of at least 60% by weight, and a hydrolyzable silyl group-containing terminal group present at least 1.3 terminals on the average of said polyoxyalkylene chains, said terminal group having a urethane bond linked to the polyoxyalkylene chain.
Inventors
- 👤 Toshihiko Higuchi
- 👤 Yasuhiko Nakano
- 👤 Nobuaki Kunii
- 👤 Yoshiyuki Yamaguchi
- 👤 Shigeyuki Kozawa
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 08:24
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/83; C08G18/837; C08G18/08; C08G18/10; C08G18/28; C08G18/40; C08G18/48; C08G18/4833; C08G18/4837; C08G18/4866; C08G18/70; C08G18/71; C08G18/718; C08G18/72; C08G18/80; C08G18/8061; C08G18/8083; C08G18/809; C08G18/81; C08G18/8108; C08G18/831; C08G18/832; C08G2190/00
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
109 words
A moisture-curable resin composition containing a hydrolyzable silyl group-containing polyether compound as a curable component, said polyether compound comprising polyoxyalkylene chains derived from a polyoxyalkylene polyol having a hydroxyl value (x mgKOH/g) of from 5 to 35, a total degree of unsaturation (y meq/g) of not higher than 0.07 meq/g and y ≦ 0.9/(x-10), from 2 to 8 hydroxyl groups, and a content of oxyalkylene groups having at least 3 carbon atoms, of at least 60% by weight, and a hydrolyzable silyl group-containing terminal group present at least 1.3 terminals on the average of said polyoxyalkylene chains, said terminal group having a urethane bond linked to the polyoxyalkylene chain.
Claim 2
Dependent Claim
109 words
A moisture-curable resin composition containing a hydrolyzable silyl group-containing polyether compound as a curable component, said polyether compound comprising polyoxyalkylene chains derived from a polyoxyalkylene polyol having a hydroxyl value (x mgKOH/g) of from 5 to 35, a total degree of unsaturation (y meq/g) of not higher than 0.07 meq/g and y ≦ 0.9/(x-10), from 2 to 8 hydroxyl groups, and a content of oxyalkylene groups having at least 3 carbon atoms, of at least 60% by weight, and a hydrolyzable silyl group-containing terminal group present at least 1.3 terminals on the average of said polyoxyalkylene chains, said terminal group having a urethane bond linked to the polyoxyalkylene chain.
Claim 3
Dependent Claim
54 words
The moisture-curable resin composition according to Claim 1, wherein the polyoxyalkylene polyol is a polyoxyalkylene polyol consisting essentially of a polymer obtained by ring-opening addition polymerization of a monoepoxide to an initiator and is not a polyoxyalkylene polyol obtained by polymerizing at least two molecules of a polyoxyalkylene polyol having a higher hydroxyl value.
Claim 4
Dependent Claim
40 words
The moisture-curable resin composition according to Claim 1, wherein the polyoxyalkylene polyol is a polyoxyalkylene polyol obtained by ring-opening addition polymerization of an alkylene oxide having 3 or 4 carbon atoms, or of such an alkylene oxide with ethylene oxide.
Claim 5
Dependent Claim
35 words
The moisture-curable resin composition according to Claim 3, wherein the polyoxyalkylene polyol is a polyoxyalkylene polyol obtained by ring-opening addition polymerization of an alkylene oxide in the presence of a composite metal cyanide complex catalyst.
Claim 6
Dependent Claim
52 words
The moisture-curable resin composition according to Claim 1, wherein the hydrolyzable silyl group is a silyl group having from 1 to 3 functional groups selected from the group consisting of a halogen atom, an alkoxy group, an acyloxy group, an amide group, an amino group, an aminooxy group and a ketoximate group.
Claim 7
Dependent Claim
32 words
The moisture-curable resin composition according to Claim 1, wherein the hydrolyzable silyl group-containing terminal group is a terminal group derived from a compound having a hydrolyzable silyl group and an isocyanate group.
Claim 8
Dependent Claim
32 words
The moisture-curable resin composition according to Claim 6, wherein the compound having a hydrolyzable silyl group and an isocyanate group is a silane having an isocyanate alkyl group and a hydrolyzable group.
Claim 9
Dependent Claim
55 words
The moisture-curable resin composition according to Claim 1, wherein the hydrolyzable silyl group-containing polyoxyalkylene compound is obtained by reacting a polyoxyalkylene polyol and a compound having a hydrolyzable silyl group and an isocyanate group at a ratio of an average of from 1.3 molecules to equal equivalent of the latter per molecule of the former.
Claim 10
Dependent Claim
77 words
The moisture-curable resin composition according to Claim 1, wherein the hydrolyzable silyl group-containing terminal group contains a residue of a compound having a hydrolyzable silyl group and an active hydrogen-containing group reactive with an isocyanate group and a residue of a polyisocyanate compound having at least two isocyanate groups selected from the group consisting of an isocyanate group reactive with said active hydrogen-containing group and an isocyanate group reactive with a hydroxyl group of a polyoxyalkylene polyol.
Claim 11
Dependent Claim
60 words
The moisture-curable resin composition according to Claim 9, wherein the compound containing a hydrolyzable silyl group and an active hydrogen-containing group reactive with an isocyanate group, is a silane having a hydrolyzable group and an alkyl group having an active hydrogen-containing group selected from the group consisting of a hydroxyl group, a primary amino group and a secondary amino group.
Claim 12
Dependent Claim
79 words
The moisture-curable resin composition according to Claim 1, wherein the hydrolyzable silyl group-containing polyoxyalkylene compound is the one obtained by reacting an isocyanate group-containing prepolymer obtained by reacting a polyoxyalkylene polyol with a stoichiometrically excess amount of a polyisocyanate compound, and a compound having a hydrolyzable silyl group and an active hydrogen-containing group reactive with an isocyanate group at a ratio of an average of from 1.3 molecules to equal equivalent of the latter per molecule of the former.
Claim 13
Dependent Claim
64 words
The moisture-curable resin composition according to Claim 1, wherein the hydrolyzable silyl group-containing polyoxyalkylene compound is the one obtained by reacting a polyoxyalkylene polyol and a compound having an isocyanate group and an α,β-unsaturated group at a ratio of an average of from 1.3 molecules to equal equivalent of the latter per molecule of the former, followed by reacting a hydrolyzable group-containing hydrosilane thereto.
Claim 14
Dependent Claim
22 words
The moisture-curable resin composition according to Claim 12, wherein the compound having an isocyanate group and an α,β-unsaturated group is allyl isocyanate.
Claim 15
Dependent Claim
28 words
The moisture-curable resin composition according to Claim 1, which contains from 0.001 to 5% by weight, based on the hydrolyzable silyl group-containing polyether compound, of a curing catalyst.
References Cited (Backward Citations)
No citation records indexed.
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