Polymerizable compositions for optical articles
First Claim
Patent Images
1. A brightness enhancing film comprising the reaction product of a polymerizable composition consisting essentially of:
- a) a first monomer comprising a major portion of 2-propenoic acid, (1-methylethylidene)bis[(2,6-dibromo-4,1-phenylene)oxy(2-hydroxy-3,1-propanediyl)]ester;
b) pentaerythritol tri(meth)acrylate;
c) phenoxyethyl(meth)acrylate; and
d) optionally a photoinitiator.
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Abstract
Polymerizable compositions particularly useful for brightness enhancing films.
62 Citations
29 Claims
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1. A brightness enhancing film comprising the reaction product of a polymerizable composition consisting essentially of:
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a) a first monomer comprising a major portion of 2-propenoic acid, (1-methylethylidene)bis[(2,6-dibromo-4,1-phenylene)oxy(2-hydroxy-3,1-propanediyl)]ester;
b) pentaerythritol tri(meth)acrylate;
c) phenoxyethyl(meth)acrylate; and
d) optionally a photoinitiator. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A brightness enhancing film comprising the reaction product of a polymerizable composition consisting essentially of:
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a) a first monomer selected from i) a monomer comprising a major portion having the structure wherein R1 is independently hydrogen or methyl, R2 is independently hydrogen or bromine, Q is independently O or S, and Z is independently —
C(CH3)2—
, —
CH2—
, —
C(O)—
, —
S—
, —
S(O)—
, or —
S(O)2—
;
ii) a monomer comprising a major portion having the structure wherein R1 is independently hydrogen or methyl, R2 is independently hydrogen or bromine, Q is independently O or S, Z is independently —
C(CH3)2—
, —
CH2—
, —
C(O)—
, —
S—
, —
S(O)—
, or —
S(O)2, andL is a linking group independently selected from linear or branched C2-C12 alkyl groups wherein the carbon chain is optionally substituted with one or more oxygen group and/or the carbon atoms are optionally substituted with one or more hydroxyl groups; and
mixtures of i and ii;
b) a crosslinking agent comprising at least three (meth)acrylate functional groups;
c) at least one monofunctional (meth)acrylate diluent; and
d) optionally a photoinitiator. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A brightness enhancing film comprising the reaction product of
a) at least 50 wt-% of one or more first monomers selected from the group consisting of: -
i) a monomer comprising a major portion having the structure wherein R1 is independently hydrogen or methyl, R2 is independently hydrogen or bromine, Q is independently O or S, and Z is independently —
C(CH3)2—
, —
CH2—
, —
C(O)—
, —
S—
, —
S(O)—
, or —
S(O)2—
;
ii) a monomer comprising a major portion having the structure wherein R1 is independently hydrogen or methyl, R2 is independently hydrogen or bromine, Q is independently O or S, Z is independently —
C(CH3)2—
, —
CH2—
, —
C(O)—
, —
S—
, —
S(O)—
, or —
S(O)2, andL is a linking group independently selected from linear or branched C2-C12 alkyl groups wherein the carbon chain is optionally substituted with one or more oxygen group and/or the carbon atoms are optionally substituted with one or more hydroxyl groups;
and mixtures of i and ii;
b) a crosslinking agent comprising at least three (meth)acrylate functional groups. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A polymerizable resin composition comprising
a) at least 50 wt-% of one or more first monomers selected from the group consisting of: -
i) a monomer comprising a major portion having the structure wherein R1 is independently hydrogen or methyl, R2 is independently hydrogen or bromine, Q is independently O or S, and Z is independently —
C(CH3)2—
, —
CH2—
, —
C(O)—
, —
S—
, —
S(O)—
, or —
S(O)2—
;
ii) a monomer comprising a major portion having the structure wherein R1 is independently hydrogen or methyl, R2 is independently hydrogen or bromine, Q is independently O or S, Z is independently —
C(CH3)2—
, —
CH2—
, —
C(O)—
, —
S—
, —
S(O)—
, or —
S(O)2, andL is a linking group independently selected from linear or branched C2-C12 alkyl groups wherein the carbon chain is optionally substituted with one or more oxygen group and/or the carbon atoms are optionally substituted with one or more hydroxyl groups; and
mixtures of i and ii;
b) a crosslinking agent comprising at least three (meth)acrylate functional groups. - View Dependent Claims (27, 28, 29)
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Specification