Polymerizable compositions comprising nanoparticles
First Claim
Patent Images
1. A brightness enhancing film having a polymerized structure comprising the reaction product of a) at least about 15 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, and L 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) at least about 10 wt-% of inorganic nanoparticles;
c) optionally a crosslinking agent.
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Abstract
Polymerizable compositions comprising nanopartilces particularly useful for brightness enhancing films.
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Citations
31 Claims
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1. A brightness enhancing film having a polymerized structure comprising the reaction product of
a) at least about 15 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) at least about 10 wt-% of inorganic nanoparticles;
c) optionally a crosslinking agent. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 25)
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20. A brightness enhancing film having a polymerized structure comprising the reaction product of a polymerizable composition comprising
a) at least about 15 wt-% of one or more (meth)acrylated aromatic epoxy oligomers; -
b) at least about 10 wt-% inorganic nanoparticles; and
c) optionally a crosslinking agent.
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21. A polymerizable resin composition comprising
a) at least about 15 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) at least about 10 wt-% of inorganic nanoparticles;
c) optionally a crosslinking agent; and
d) optionally a photoinitiator. - View Dependent Claims (22, 23)
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24. The optical article of claim 24 wherein the microstructured surface comprises cube corner structures or structures suitable for making barrier ribs for a plasma display panel.
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26. A brightness enhancing film comprising:
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a brightness enhancing polymerized structure comprising the reaction product of a substantially solvent free polymerizable composition comprising an organic component comprising one or more ethylenically unsaturated monomers wherein the organic component has a viscosity of less than 1000 cps at 180°
F.; and
at least 10 wt-% inorganic nanoparticles. - View Dependent Claims (27, 28, 29)
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30. A brightness enhancing film comprising:
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a brightness enhancing polymerized structure comprising the reaction product of a substantially solvent free polymerizable composition comprises an organic component comprising one or more ethylenically unsaturated monomers wherein the organic component has a refractive index of at least 1.54; and
at least 10 wt-% inorganic nanoparticles. - View Dependent Claims (31)
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Specification