Back to results
US 8,921,445 B2Granted
Curable adhesive compositions
AssigneeMitsui Chemicals, Inc.
InventorsYassin Turshani, Omar Mohamed Buazza
Life of this patent
Estimating the term…
Abstract
Curable adhesive compositions are provided that exhibit a high refractive index.
Claims36
A curable adhesive composition, comprising:
- at least one high index-high viscosity component having a refractive index, before curing, of at least 1.56 at 25° C., and a viscosity, before curing, of at least 15,000 cP at 25° C.;
- a photoinitiator;
- and
- 5 wt% to 25% of at least one naphthalene component selected from the group consisting of 1-chloro naphthalene;
- 1-bromo naphthalene;
- and 1-naphthaldehyde;
- wherein the adhesive composition has a refractive index, after curing, in a range from 1.64 to 1.74;
- wherein the high index-high viscosity component is selected from the group consisting of:
- brominated aromatic urethane acrylate;
- tribromophenyl acrylate;
- and
- 9,9-bis{4-(2-cryloloxyethoxy)phenyl}fluorene.
9 more elements
A curable adhesive composition, comprising:
- at least one high index-high viscosity component having a refractive index, before curing, of at least 1.56 at 25° C., and a viscosity, before curing, of at least 15,000 cP at 25° C.,
- a photoinitiator, and
- a naphthalene component selected from the group consisting of:
- 1-Chloro naphthalene, 1-Bromo naphthalene, and 1-Naphthaldehyde,
- wherein the adhesive composition has a refractive index, after curing, of greater than 1.50;
- wherein the high index-high viscosity is selected from the group consisting of:
- brominated aromatic urethane acrylate,
- tribromophenyl acrylate;
- and
- 9,9-bis-{4-(2-acryloxyloxyethoxy)phenyl}fluorene.
7 more elements
A curable adhesive composition, comprising:
- at least one high index-high viscosity component having a refractive index, before curing, of at least 1.56 at 25° C., and a viscosity, before curing, of at least 15,000 cP at 25° C., and
- a photoinitiator, wherein the photoinitiator comprises at least one anionic photoinitiator selected from the group consisting of:
- 0-nitrobenzyl derivatives;
- metal amine complexes;
- (cyclopentadienyl)ruthenium complexes;
- and
- (cyclopentadienyl)osmium complexes,
- wherein the adhesive composition has a refractive index, after curing, of greater than 1.50;
- wherein the high index-high viscosity is selected from the group consisting of:
- brominated aromatic urethane acrylate,
- tribromophenyl acrylate;
- and
- 9,9-bis-{4-(2-acryloxyloethoxy)phenyl}fluorene.
10 more elements
A curable adhesive composition, comprising:
- at least one high index-high viscosity component having a refractive index, before curing, of at least 1.56 at 25° C., and a viscosity, before curing, of at least 15,000 cP at 25° C.,
- a photoinitiator, and
- a bisphenol A component selected from the group consisting of diallylether bisphenol A;
- and ortho diallyl bisphenol A,
- wherein the adhesive composition, after curing, has a refractive index of 1.60 to 1.74;
- wherein the high index-high viscosity is selected from the group consisting of:
- brominated aromatic urethane acrylate,
- tribromophenyl acrylate;
- and
- 9,9-bis-{4-(2-acryloxyloxyethoxy)phenyl}fluorene.
7 more elements
A curable adhesive composition, comprising:
- 0.01 wt % to 5 wt % of at least one photoinitiator;
- 5 wt % to 80 wt % of at least one acrylic component selected from the group consisting of acrylic oligomer;
- ethoxylated (4) trimethylolpropane triacrylate;
- ethoxylated (6) trimethylolpropane triacrylate;
- glycidyl methacrylate;
- 1,6 hexanediol diacrylate;
- alkoxylated phenol acrylate;
- alkoxylated phenol diacrylate;
- 2 hydroxyethyl acrylate;
- alkoxylated nonylphenol acrylate;
- ethoxylated (10) bisphenol A diacrylate;
- 2-phenoxyethyl acrylate;
- isobornyl acrylates;
- tetrahydrofurfuryl acrylate;
- tetrahydrofurfuryl methacrylate;
- and
- a sulfur component selected from the group consisting of trimethylolpropane tris(3-mercaptopropionate) and pentaerythritol tetrakis(2-mercaptopropoinate),
- wherein the adhesive composition, after curing, has a refractive index of 1.49 to 1.55.
15 more elements
Dependencies are inferred from the claim text.