US4734480A
Expired / Lapsed
US
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Radiation curable resin
Assignee: Sony Corp
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Filing: 1987-06-11
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Granted: 1988-03-29
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Expires: 2007-06-11
Abstract
Abstract A radiation curable resin which is a polyurethane acrylate having (meth)acryloyloxy groups at the terminal end of the molecule and in the molecular chain thereof, and containing metal sulfonate groups in the molecule in a ratio of 3.0 to 1,500 equivalent/10 6 g of the resin, said polyurethane acrylate being obtained by reaction of (1) a copolyester having hydroxyl groups at both terminal ends of the molecule and containing metal sulfonate groups therein, (2) a diisocyanate, (3) a compound (A) having at least one (meth)acryloyloxy group and two hydroxyl groups, (4) a compound (B) having at least one (meth)acryloyloxy group and one hydroxyl group, and optionally (5) a polyol other than the above (1) or (3). the radiation curable resin containing a compound (C) having at least one carboxylic acid group and two hydroxyl groups in addition to the above components (1) to (5) is also disclosed.
Inventors
- 👤 Nobukazu Kotera
- 👤 Yasuo Yoshinaka
- 👤 Shinpei Yamamoto
- 👤 Hideyuki Ohashi
- 👤 Yoshinobu Ninomiya
- 👤 Kiyokazu Oiyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:15
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/67; C08G18/671; C08G18/672; C08G18/08; C08G18/10; C08G18/40; C08G18/42; C08G18/46; C08G18/4676; C08G18/675; G; G11; G11B; G11B5/00; G11B5/62; G11B5/68; G11B5/70; G11B5/702; G11B5/7026
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
116 words
A radiation curable resin which is a polyurethane acrylate having (meth)acryloyloxy groups at the terminal end of the molecule and in the molecular chain thereof, and containing metal sulfonate groups in the molecule in a ratio of 3.0 to 1,500 equivalent/10 6 g of the resin, said polyurethane acrylate being obtained by reaction of (1) a copolyester having hydroxyl groups at both terminal ends of the molecule and containing metal sulfonate groups therein, (2) a diisocyanate, (3) a compound (A) having at least one (meth)acryloyloxy group and two hydroxyl groups, (4) a compound (B) having at least one (meth)acryloyloxy group and one hydroxyl group, and optionally (5) a polyol other than the above (1) or (3).
Claim 2
Dependent Claim
116 words
A radiation curable resin which is a polyurethane acrylate having (meth)acryloyloxy groups at the terminal end of the molecule and in the molecular chain thereof, and containing metal sulfonate groups in the molecule in a ratio of 3.0 to 1,500 equivalent/10 6 g of the resin, said polyurethane acrylate being obtained by reaction of (1) a copolyester having hydroxyl groups at both terminal ends of the molecule and containing metal sulfonate groups therein, (2) a diisocyanate, (3) a compound (A) having at least one (meth)acryloyloxy group and two hydroxyl groups, (4) a compound (B) having at least one (meth)acryloyloxy group and one hydroxyl group, and optionally (5) a polyol other than the above (1) or (3).
Claim 3
Dependent Claim
29 words
A radiation curable resin according to claim 1, wherein an equivalent ratio of hydroxyl group of the copolyester to isocyanate group of the diisocyanate (OH/NCO) is 50 to 125/200.
Claim 4
Dependent Claim
47 words
A radiation curable resin according to claim 1, wherein the compound (A) is a member selected from the group consisting of mono(meth)-acrylates of triols such as trimethylolpropane, trimethylolethane and glycerin etc.; di(meth)acrylates of tetraols such as pentaerythritol, etc.; and 2 mole (meth)-acrylic acid adducts of diepoxy compounds.
Claim 5
Dependent Claim
34 words
A radiation curable resin according to claim 1, wherein the compound (A) is reacted with the copolyester in a ratio of 0.1 to 50 parts by weight 100 parts by weight of the copolyester.
Claim 6
Dependent Claim
51 words
A radiation curable resin according to claim 1, wherein the compound (B) is a member selected from the group consisting of mono(meth)acrylates of diols such as ethylene glycol, propylene glycol, etc.; di(meth)acrylates of triols such as trimethylolpropane, glycerin, etc.: tri(meth)acrylates of tetraols such as pentaerythritol, etc.; and penta(meth)acrylate of dipentaerythritol, etc.
Claim 7
Dependent Claim
35 words
A radiation curable resin according to claim 1, wherein the compound (B) is reacted with the copolyester in a ratio of 0.1 to 50 parts by weight per 100 parts by weight of the copolyester.
Claim 8
Dependent Claim
58 words
A radiation curable resin according to claim 1, wherein the polyol is a member selected from the group consisting of ethylene glycol, propylene glycol, 1,3-propanediol, 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol, neopentyl glycol, diethylene glycol, dipropylene glycol, 2,2,4-trimethyl-1,3-pentanediol, 1,4-cyclohexane methanol, spyroglycol, ethylene oxide adduct and propylene oxide adduct of bisphenol A, polyethylene glycol, polypropylene glycol, polytetramethylene glycol, trimethylolethane and glycerin, pentaerythritol.
Claim 9
Dependent Claim
35 words
A radiation curable resin according to claim 1, wherein the polyol is subjected to the reaction in an amount of not more than 50 parts by weight per 100 parts by weight of the copolyester.
Claim 10
Dependent Claim
151 words
A radiation curable resin which is a polyurethane acrylate having (meth)acryloyloxy groups at the terminal end of the molecule and in the molecular chain thereof, containing metal sulfonate groups in the molecule in a ratio of 3.0 to 1,500 equivalent/10 6 g of the resin, and further containing carboxyl groups in the molecule in a ratio of 5.0 to 2,000 equivalent/10 6 g of the resin, said polyurethane acrylate being obtained by reaction of (1) a copolyester having hydroxyl groups at both terminal ends of the molecule and containing metal sulfonate groups therein, (2) a diisocyanate, (3) a compound (A) having at least one (meth)acryloyloxy group and two hydroxyl groups, (4) a compound (B) having at least one (meth)acryloyloxy group and one hydroxyl groups, (5) a compound (C) having at least one carboxyl group and two hydroxyl groups, and optionally (6) a polyol other than the above (1), (3) or (5).
Claim 11
Dependent Claim
151 words
A radiation curable resin which is a polyurethane acrylate having (meth)acryloyloxy groups at the terminal end of the molecule and in the molecular chain thereof, containing metal sulfonate groups in the molecule in a ratio of 3.0 to 1,500 equivalent/10 6 g of the resin, and further containing carboxyl groups in the molecule in a ratio of 5.0 to 2,000 equivalent/10 6 g of the resin, said polyurethane acrylate being obtained by reaction of (1) a copolyester having hydroxyl groups at both terminal ends of the molecule and containing metal sulfonate groups therein, (2) a diisocyanate, (3) a compound (A) having at least one (meth)acryloyloxy group and two hydroxyl groups, (4) a compound (B) having at least one (meth)acryloyloxy group and one hydroxyl groups, (5) a compound (C) having at least one carboxyl group and two hydroxyl groups, and optionally (6) a polyol other than the above (1), (3) or (5).
Claim 12
Dependent Claim
29 words
A radiation curable resin according to claim 9, wherein an equivalent ratio of hydroxyl group of the copolyester to isocyanate group of the diisocyanate (OH/NCO) is 50 to 125/200.
Claim 13
Dependent Claim
47 words
A radiation curable resin according to claim 9, wherein the compound (A) is a member selected from the group consisting of mono(meth)-acrylates of triols such as trimethylolpropane, trimethylolethane and glycerin etc.; di(meth)acrylates of tetraols such as pentaerythritol, etc.; and 2 mole (meth)-acrylic acid adducts of diepoxy compounds.
Claim 14
Dependent Claim
34 words
A radiation curable resin according to claim 9, wherein the compound (A) is reacted with the copolyester in a ratio of 0.1 to 50 parts by weight 100 parts by weight of the copolyester.
Claim 15
Dependent Claim
51 words
A radiation curable resin according to claim 9, wherein the compound (B) is a member selected from the group consisting of mono(meth)acrylates of diols such as ethylene glycol, propylene glycol, etc.; di(meth)acrylates of triols such as trimethylolpropane, glycerin, etc.; tri(meth)acrylates of tetraols such as pentaerythritol, etc.; and penta(meth)acrylate of dipentaerythritol, etc.
Claim 16
Dependent Claim
35 words
A radiation curable resin according to claim 9, wherein the compound (B) is reacted with the copolyester in a ratio of 0.1 to 50 parts by weight per 100 parts by weight of the copolyester.
Claim 17
Dependent Claim
69 words
A radiation curable resin according to claim 9, wherein the compound (C) is a member selected from the group consisting of dihydroxymono-carboxylic acids such as 2,3-dihydroxy-propionic acid, 2,3-dihydroxy-2-methylpropionic acid, 2,2-dihydroxymethyl-propionic acid (dimethylolpropionic acid), 2,3-dihyroxy-2-(1-methyletnyl)butanoic acid, 3,11-dihyroxy-teteradecanoic acid, 9,10-dihyroxyoctadecanoic acid, etc.; dihydroxydicarboxylic acids such as 2,3-dihydroxybutanoic diacid, 2,3-dihydroxy-2-methylbutanoic diacid, 2,4-dihyroxypentanoic diacid, 2,4-dihydroxy-3-methylpentanoic diacid, 2,5-dihydroxyhexanoic diacid, 9,10-dihyroxyoctadecanoic diacid, 2,3-dihyroxy-2-butenoic diacid, etc.; and dihydroxytricarboxylic acids such as 1,2-dihyroxy-1,2,2-tricarboxylic acid, 1,3-dihyroxypropane-1,1,3-tricarboxylic acid, etc.
Claim 18
Dependent Claim
58 words
A radiation curable resin according to claim 9, wherein the polyol is a member selected from the group consisting of ethylene glycol, propylene glycol, 1,3-propanediol, 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol, neopentyl glycol, diethylene glycol, dipropylene glycol, 2,2,4-trimethyl-1,3-pentanediol, 1,4-cyclohexane methanol, spyroglycol, ethylene oxide adduct and propylene oxide adduct of bisphenol A, polyethylene glycol, polypropylene glycol, polytetramethylene glycol, trimethylolethane and glycerin, pentaerythritol.
Claim 19
Dependent Claim
35 words
A radiation curable resin according to claim 9, wherein the polyol is subjected to the reaction in an amount of not more than 50 parts by weight per 100 parts by weight of the copolyester.
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) | 1991-03-29 | 1991-09-28 | 1992-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-03-29 | 1995-09-28 | 1996-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-03-29 | 1999-09-28 | 2000-03-29 | $7700.00 | Window Closed / Lapsed |