Patent US4662770A successfully refreshed from Google Patents.
Patent US5321082A successfully refreshed from Google Patents.
US5321082A
Expired / Lapsed
US
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Curable resin composition
Assignee: Nippon Paint Co Ltd
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Filing: 1993-04-14
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Granted: 1994-06-14
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Expires: 2013-04-14
Abstract
Abstract A curable resin composition containing (a) a polymer having a plurality of alkenyl groups, (b) an organohydrogenpolysiloxane having a plurality of hydrosilyl groups, (c) a polymer having a plurality of alkynyl groups, and (d) a hydrosilylation catalyst is disclosed. The composition is stable at room temperature but curable at an elevated temperature.
Inventors
- 👤 Hiroharu Ohsugi
- 👤 Yoshio Eguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:00
CPC Classifications
C; C08; C08L; C08L101/00; C08L101/02; C08L33/00; C08L33/04; C08L33/06; C08L33/10; C08L83/00; C08L83/04
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
79 words
A curable resin composition comprising: (a) an acrylic, epoxy, polyester or polyether polymer having a plurality of alkenyl groups in the molecule and a number average molecular weight of from 400 to 100,000; (b) an organohydrogenpolysiloxane having a plurality of silicone-hydrogen bonds in the molecule; (c) an acrylic polymer having a plurality of alkynyl groups in the molecule and a number average molecular weight of from 400 to 100,000; and (c) a catalytically effective amount of a hydrosilylation catalyst.
Claim 2
Dependent Claim
79 words
A curable resin composition comprising: (a) an acrylic, epoxy, polyester or polyether polymer having a plurality of alkenyl groups in the molecule and a number average molecular weight of from 400 to 100,000; (b) an organohydrogenpolysiloxane having a plurality of silicone-hydrogen bonds in the molecule; (c) an acrylic polymer having a plurality of alkynyl groups in the molecule and a number average molecular weight of from 400 to 100,000; and (c) a catalytically effective amount of a hydrosilylation catalyst.
Claim 3
Dependent Claim
36 words
The curable resin composition according to claim 1, wherein said alkenyl group-containing acrylic polymer is a homopolymer of an alkenyl group-containing acrylic monomer or a copolymer of an alkenyl group-containing monomer with another monomer copolymerizable therewith.
Claim 4
Dependent Claim
30 words
The curable resin composition according to claim 1, wherein said alkenyl group-containing polyester polymer is a reaction product of a carboxyl group-terminated polyester resin with an alkenyl group-containing epoxy compound.
Claim 5
Dependent Claim
26 words
The curable resin composition according to claim 1, wherein said alkenyl group-containing epoxy polymer is a reaction product of an epoxy resin with an alkenoic acid.
Claim 6
Dependent Claim
32 words
The curable resin composition according to claim 1, wherein said alkenyl group-containing polyether polymer is a polymer produced by addition polymerizing an alkenyl group-containing epoxy compound initiated by an active hydrogen compound.
Claim 7
Dependent Claim
35 words
The curable resin composition according to claim 1, wherein said alkynyl group-containing polymer is a homopolymer of an alkynyl group-containing acrylic monomer or a copolymer of said alkynyl group-containing monomer with another monomer copolymerizable therewith.
Claim 8
Dependent Claim
31 words
The curable resin composition according to claim 6, wherein said alkynyl group-containing acrylic monomer is the acrylic or methacrylic ester of an α, α-dialkylpropargyl alcohol or an alkylene oxide adduct thereof.
Claim 9
Dependent Claim
17 words
The curable resin composition according to claim 7, wherein said ester is 2-methyl-3-butyn-2-yl methacrylate or 3-methyl-1-pentyn-3-yl methacrylate.
Claim 10
Dependent Claim
49 words
The curable resin composition according to claim 1, wherein said organohydrogenpolysiloxane has the formula: ##STR6## wherein R 1 and R 2 are each a C 1 -C 6 alkyl or phenyl, a is zero or an integer up to 100, and b is an integer from 2 to 100.
Claim 11
Dependent Claim
61 words
The curable resin composition according to claim 1, wherein said organohydrogenpolysiloxane has the formula: ##STR7## wherein R 2 is C 1 -C 6 alkyl or phenyl, R 3 is the same as R 2 , c is zero or an integer up to 8, d is an integer from 2 to 10, and the sum of c+d equals 3 to 10.
Claim 12
Dependent Claim
49 words
The curable resin composition according to claim 1, wherein said organohydrogenpolysiloxane has the formula: ##STR8## wherein R 1 and R 2 are C 1 -C 6 alkyl or phenyl, e is an integer from 2 to 100 , and f is zero or an integer up to 100 .
Claim 13
Dependent Claim
15 words
The curable resin composition according to claim 1, wherein said organohydrogenpolysiloxane has the formula: ##STR9##
Claim 14
Dependent Claim
15 words
The curable resin composition according to claim 1, wherein said hydrosilylation catalyst is chloroplatinic acid.
Claim 15
Dependent Claim
49 words
The curable resin composition according to claim 1, wherein the proportions of said component (a), component (b) and component (c) in said composition is such that 0.5 to 4 atoms of the hydrogen atom attached to the silicon atom are present for each of the alkenyl and alkynyl groups.
Claim 16
Dependent Claim
43 words
The curable resin composition according to claim 1, wherein said component (d) is present in said composition an amount between 5 to 1,000 ppm relative to 100 parts by weight of the sum of solids of component (a), component (b) and component (c).
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-06-13 | 1997-12-13 | 1998-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-06-13 | 2001-12-13 | 2002-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-06-13 | 2005-12-13 | 2006-06-14 | $7700.00 | Window Closed / Lapsed |