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US 6,638,616 B2Granted
Radiation-curable compositions comprising oligomers having an alkyd backbone
AssigneeDsm N.V.
InventorsAnthony J. Tortorello, Eva Montgomery, Chander P. Chawla
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Abstract
The present invention relates to a radiation-curable solvent-free coating composition for optical fiber having a radiation-curable urethane (meth)acrylate oligomer comprising an alkyd backbone, a reactive diluent, a photoinitiator and, optionally, an additive.
Claims35
Radiation-curable composition comprising
- (A) a urethane (meth)acrylate oligomer comprising an alkyd backbone, said alkyd backbone being derived from a polyester, said polyester having pendant ester groups protruding off of a main polymer chain of ester linkages, said pendant ester groups being derived from a compound selected from the group consisting of coconut oil, palm Kernel oil, and hydrogenated varieties of unsaturated oils or fatty acids having an Iodine value below 100 centigrams iodine/gram sample,
- (B) a reactive diluent, and
- (C) a photoinitiator.
Radiation-curable composition comprising
- (A) a urethane (meth)acrylate oligomer comprising an alkyd backbone, said alkyd backbone derived from a polyfunctional alcohol, a polyfunctional carboxylic acid and said monocarboxylic fatty acid, and wherein the polyfunctional carboxylic acid compound is at least one compound selected from the group consisting of adipic acid, orthophthalic acid, isophthalic acid, and terephthalic acid, and the polyfunctional alcohol compound is at least one compound selected from the group consisting of glycerol, trimethylol propane, trimethylol ethane, pentaerythritol, neopentyl glycol, 2-butyl-2-ethyl-1,3-propanediol, and hydroxypivaloyl hydroxy pivalate, said alkyd backbone having pendant ester groups protruding off of a main polymer chain of ester linkages, said pendant ester groups being derived from long chain monocarboxylic fatty acids having an Iodine value below 100 centigrams iodine/gram sample,
- (B) a reactive diluent, and
- (C) a photoinitiator.
Radiation-curable composition comprising
- (A) a urethane (meth)acrylate oligomer comprising an alkyd backbone, said alkyd backbone being derived from a naturally derived oil and said alkyd backbone having pendant ester group protruding off of a main polymer chain of ester linkages, said pendant ester groups being derived from a naturally derived oil having an Iodine value below 100 centigrams iodine/gram sample,
- (B) a reactive diluent, and
- (C) a photoinitiator.
Radiation-curable composition comprising
- (A) a urethane (meth)acrylate oligomer comprising an alkyd backbone, said alkyd backbone being derived from a polyester, said polyester having pendant ester groups protruding off of a main polymer chain of ester linkages, said pendant ester groups being derived from an oil selected from the group consisting of coconut oil, babassu oil, chinese tallow oil, ouri-curl oil, and palm kernel oil having an Iodine value below 100 centigrams iodine/gram sample,
- (B) a reactive diluent, and
- (C) a photoinitiator.
Radiation-curable composition comprising
- (A) a urethane (meth)acrylate oligomer comprising an alkyd backbone, said alkyd backbone being derived from a polyester derived from a polyol selected from the group consisting of trialcohol alkanes and pentaerythritol, a polyacid, and a monocarboxylic fatty acid;
- said polyester having pendant ester groups protruding off of a main polymer chain of ester linkages, said pendant ester groups being derived from said monocarboxylic fatty acids having an Iodine value below 100 centigrams iodine/gram sample,
- (B) a reactive diluent, and
- (C) a photoinitiator.
1 more element
Dependencies are inferred from the claim text.