Radiation curable composition with high temperature oil resistance
First Claim
1. A radiation curable composition with high temperature oil resistance comprising(1) a (meth)acrylated urethane component comprising(a) the reaction product of hydroxyethyl(meth)acrylate and a monomeric or polymeric aromatic isocyanate,(b) hydroxyethyl(meth)acrylate;
- and(c) a (meth)acrylated prepolymer of a monomeric or polymeric aromatic isocyanate and at least one polycaprolactone polyol with a functionality>
2 and a molecular weight in the range of about 500 to about 3,000;
(2) an aromatic multifunctional epoxy (meth)acrylate having a molecular weight of less than about 1000;
(3) at least one free radical polymerizable monomer; and
(4) a free radical photoinitiator,which composition exhibits at 25°
C.;
;
(i) a Tg greater than about 45°
C., (ii) an elongation of greater than about 3%, (iii) a tensile strength of greater than about 1300 psi and (iv) a shear storage modulus of greater than about 4300 psi.
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Accused Products
Abstract
The present invention relates to a radiation curable composition with high temperature oil resistance comprising
(1) a(meth)acrylated urethane component comprising
(a) the reaction product of hydroxyethyl(meth)acrylate and a monomeric or polymeric aromatic isocyanate,
(b) hydroxyethyl(meth)acrylate, and optionally
(c) a(meth)acylated prepolymer of a monomeric of polymeric aromatic isocyanate and at least one polycaprolactone polyol with a functionality≧2 and a molecular weight in the range of about 500 to about 3,000 or (d) a(meth)acrylated prepolymer of a monomeric or polymeric aromatic isocyanate and at least one polyether polyol with a functionality≧2 and a molecular weight in the range of about 90 to about 7,000, or a mixture of (c) and (d);
(2) an aromatic multifunctional epoxy (meth)acrylate having a molecular weight of less than about 1000;
(3) at least one free radical polymerizable monomer; and
(4) a free radical photoinitiator,
which composition exhibits at 25° C. (i) a Tg greater than about 45° C., (ii) an elongation of greater than about 3%, (iii) a tensile strength of greater than about 1300 psi and (iv) a shear storage modulus of greater than about 4300 psi.
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Citations
30 Claims
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1. A radiation curable composition with high temperature oil resistance comprising
(1) a (meth)acrylated urethane component comprising (a) the reaction product of hydroxyethyl(meth)acrylate and a monomeric or polymeric aromatic isocyanate, (b) hydroxyethyl(meth)acrylate; - and
(c) a (meth)acrylated prepolymer of a monomeric or polymeric aromatic isocyanate and at least one polycaprolactone polyol with a functionality>
2 and a molecular weight in the range of about 500 to about 3,000;(2) an aromatic multifunctional epoxy (meth)acrylate having a molecular weight of less than about 1000; (3) at least one free radical polymerizable monomer; and (4) a free radical photoinitiator, which composition exhibits at 25°
C.;
;
(i) a Tg greater than about 45°
C., (ii) an elongation of greater than about 3%, (iii) a tensile strength of greater than about 1300 psi and (iv) a shear storage modulus of greater than about 4300 psi. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A radiation curable composition with high temperature oil resistance comprising
(1) a (meth)acrylated urethane component comprising (a) the reaction product of hydroxyethyl(meth)acrylate and a monomeric or polymeric aromatic isocyanate, and (b) hydroxyethyl(meth)acrylate; -
(2) an aromatic multifunctional epoxy (meth)acrylate having a molecular weight of less than about 1000; (3) at least one free radical polymerizable monomer selected from the group consisting of N-vinyl pyrrolidone, N-vinyl caprolactam, acrylic ester with 3-(2-hydroxyethyl)-2-oxazolidone, 2-propenoic acid-2-[[1-methyl ethoxy carbonyl]amino] ethyl ester N,N-dimethylacrylamide and phenoxyethyl acrylate; and (4) a free radical photoinitiator, which composition exhibits at 25°
C.;
(i) a Tg greater than about 45°
C., (ii) an elongation of greater than about 3%, (iii) a tensile strength of greater than about 1300 psi and (iv) a shear storage modulus of greater than about 4300 psi. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification