Solvent-free, radiation-curable, optical glass fiber coating composition and solvent-free method for making a solvent-free, radiation-curable, optical glass fiber coating composition
First Claim
1. A process for making a radiation-curable, optical glass fiber coating composition comprising:
- reactingi) a hydroxy functional vinyl addition copolymer, andii) an isocyanate having a functional group capable of polymerization in the presence of actinic radiation,wherein said reaction is solvent-free and conducted in a hydroxy-functional diluent to form a composition comprising a radiation-curable urethane-containing polymer having a vinyl addition copolymer backbone.
2 Assignments
0 Petitions
Accused Products
Abstract
The invention relates to a solvent-free radiation curable, optical glass fiber coating composition containing:
a) a urethane oligomer having a functional group capable of polymerization in the presence of actinic radiation, with an average functionality of at least about 1.2, having a vinyl addition polymer as backbone.
b) a urethane compound having a functional group capable of polymerization in the presence of actinic radiation, with an average functionality of at least about 1, containing an organic moiety having about 5 or more carbon atoms as backbone.
c) a reactive diluent.
Furthermore, the invention relates to a solvent-free method for producing a solvent-free, radiation curable urethane oligomer composition.
35 Citations
32 Claims
-
1. A process for making a radiation-curable, optical glass fiber coating composition comprising:
reacting i) a hydroxy functional vinyl addition copolymer, and ii) an isocyanate having a functional group capable of polymerization in the presence of actinic radiation, wherein said reaction is solvent-free and conducted in a hydroxy-functional diluent to form a composition comprising a radiation-curable urethane-containing polymer having a vinyl addition copolymer backbone. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
-
15. A process for making a radiation-curable, optical glass fiber coating composition comprising:
conducting a solvent-free urethane reaction to form (I) a urethane-containing polymer from (a) a hydroxy-functional copolymer having a vinyl addition backbone, and (b) a compound having at least one functional group capable of polymerization in the presence of actinic radiation; and (ii) a urethane-containing compound from (c) a hydroxy-functional compound having a hydrocarbon, polyether, polyester, polycarbonate, silicone, or fluorocarbon backbone, and (d) said compound having at least one functional group capable of polymerization in the presence of actinic radiation. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
Specification