Back to results
US 9,714,361 B2Granted
Oxirane (ethylene oxide) polyurethane coatings
AssigneeLake Region Manfacturing, Inc.
InventorPeter Anthony Edwards
Life of this patent
Estimating the term…
Abstract
The present invention relates to hydrophilic, i.e., water loving coatings (hereafter referred to as “WLC”). Polyurethane epoxy alkylene oxide coatings usable as coatings on for example, medical devices are a preferred WLC.
Claims30
An epoxy urethane alkylene oxide coating comprising a reaction product of the following reactants:
- a) a diisocyanate selected from the group consisting of 2,4-toluene diisocyanate, 2,6-toluene diisocyanate, 4,4′-dicyclohexylmethane diisocyanate, 3,3′-dimethyl-4,4′-biphenyl diisocyanate, 4,4′-methylene diphenyl diisocyanate, polymeric MDI, naphthalene diisocyanate, 4,4′-diisocyanatodicyclohexylmethane, 1,4-benzene diisocyanate, trans-cyclohexane-1,4-diisocyanate, 1,5-naphthalene diisocyanate, 1,6-hexamethylene diisocyanate, 4,6-xylene diisocyanate, and isophorone diisocyanate, with combinations and isomers thereof;
- b) a poly(ethylene oxide) segment having a number average molecular weight in the range of about 18,000 to about 2,000,000;
- c) a poly[di(ethylene glycol) adipate] segment;
- d) a poly(tetrahydrofuran) segment;
- and
- e) glycidol.
3 more elements
An epoxy urethane alkylene oxide coating comprising a reaction product consisting essentially of the following reactants:
- a) a diisocyanate selected from the group consisting of 2,4-toluene diisocyanate, 2,6-toluene diisocyanate, 4,4′-dicyclohexylmethane diisocyanate, 3,3′-dimethyl-4,4′-biphenyl diisocyanate, 4,4′-methylene diphenyl diisocyanate, polymeric MDI, naphthalene diisocyanate, 4,4′-diisocyanatodicyclohexylmethane, 1,4-benzene diisocyanate, trans-cyclohexane-1,4-diisocyanate, 1,5-naphthalene diisocyanate, 1,6-hexamethylene diisocyanate, 4,6-xylene diisocyanate, and isophorone diisocyanate, with combinations and isomers thereof;
- b) a poly(ethylene oxide) segment having a number average molecular weight in the range of about 18,000 to about 2,000,000;
- c) a poly[di(ethylene glycol) adipate] segment;
- d) a poly(tetrahydrofuran) segment;
- and
- e) glycidol.
3 more elements
An epoxy urethane ester carboxylic acid alkylene oxide coating comprising a reaction product consisting essentially of the following reactants:
- a) a diisocyanate selected from the group consisting of 2,4-toluene diisocyanate, 2,6-toluene diisocyanate, 4,4′-dicyclohexylmethane diisocyanate, 3,3′-dimethyl-4,4′-biphenyl diisocyanate, 4,4′-methylene diphenyl diisocyanate, polymeric MDI, naphthalene diisocyanate, 4,4′-diisocyanatodicyclohexylmethane, 1,4-benzene diisocyanate, trans-cyclohexane-1,4-diisocyanate, 1,5-naphthalene diisocyanate, 1,6-hexamethylene diisocyanate, 4,6-xylene diisocyanate, and isophorone diisocyanate, with combinations and isomers thereof;
- b) a poly(ethylene oxide) segment having a number average molecular weight in the range of about 18,000 to about 2,000,000;
- c) a poly[di(ethylene glycol) adipate] segment;
- d) a poly(tetrahydrofuran) segment;
- e) dimethylol propionic acid;
- and
- f) glycidol.
4 more elements
An epoxy urethane urea carboxylic acid alkylene oxide coating comprising a reaction product consisting essentially of the following reactants:
- a) a diisocyanate selected from the group consisting of 2,4-toluene diisocyanate, 2,6-toluene diisocyanate, 4,4′-dicyclohexylmethane diisocyanate, 3,3′-dimethyl-4,4′-biphenyl diisocyanate, 4,4′-methylene diphenyl diisocyanate, polymeric MDI, naphtalene diisocyanate, 4,4′-diisocyanatodicyclohexylmethane, 1,4-benzene diisocyanate, trans-cyclohexane-1,4-diisocyanate, 1,5-naphthalene diisocyanate, 1,6-hexamethylene diisocyanate, 4,6-xylene diisocyanate, and isophorone diisocyanate, with combinations and isomers thereof;
- b) a poly(ethylene oxide) segment having a number average molecular weight in the range of about 18,000 to about 2,000,000;
- c) a poly[di(ethylene glycol) adipate] segment;
- d) a poly(tetrahydrofuran) segment;
- e) dimethylol propionic acid;
- f) adipic acid dihydrazide;
- and
- g) glycidol.
5 more elements
A terminal oxirane polyurethane urea chain extender/water excess coating comprising a reaction product consisting essentially of the following reactants:
- a) a diisocyanate selected from the group consisting of 2,4-toluene diisocyanate, 2,6-toluene diisocyanate, 4,4′-dicyclohexylmethane diisocyanate, 3,3′-dimethyl-4,4′-biphenyl diisocyanate, 4,4′-methylene diphenyl diisocyanate, polymeric MDI, naphthalene diisocyanate, 4,4′-diisocyanatodicyclohexylmethane, 1,4-benzene diisocyanate, trans-cyclohexane-1,4-diisocyanate, 1,5-naphthalene diisocyanate, 1,6-hexamethylene diisocyanate, 4,6-xylene diisocyanate, and isophorone diisocyanate, with combinations and isomers thereof;
- b) a poly(ethylene oxide) segment having a number average molecular weight in the range of about 18,000 to about 2,000,000;
- c) a poly[di(ethylene glycol) adipate] segment;
- d) a poly(tetrahydrofuran) segment;
- e) dimethylol propionic acid;
- f) water;
- and
- g) glycidol.
5 more elements
An epoxy urethane alkylene oxide coating comprising a reaction product consisting essentially of the following reactants:
- a) a diisocyanate selected from the group consisting of 2,4-toluene diisocyanate, 2,6-toluene diisocyanate, 4,4′-dicyclohexylmethane diisocyanate, 3,3′-dimethyl-4,4′-biphenyl diisocyanate, 4,4′-methylene diphenyl diisocyanate, polymeric MDI, naphthalene diisocyanate, 4,4′-diisocyanatodicyclohexylmethane, 1,4-benzene diisocyanate, trans-cyclohexane-1,4-diisocyanate, 1,5-naphthalene diisocyanate, 1,6-hexamethylene diisocyanate, 4,6-xylene diisocyanate, and isophorone diisocyanate, with combinations and isomers thereof;
- b) a poly(ethylene oxide) segment having a number average molecular weight in the range of about 18,000 to about 2,000,000;
- c) a poly[di(ethylene glycol) adipate] segment;
- d) a poly(tetrahydrofuran) segment;
- e) glycidol, and
- f) glycidyl moieties as a reacted product of the glycidol.
3 more elements
An epoxy urethane ester carboxylic acid alkylene oxide coating comprising a reaction product consisting essentially of the following reactants:
- a) a diisocyanate selected from the group consisting of 2,4-toluene diisocyanate, 2,6-toluene diisocyanate, 4,4′-dicyclohexylmethane diisocyanate, 3,3′-dimethyl-4,4′-biphenyl diisocyanate, 4,4′-methylene diphenyl diisocyanate, polymeric MDI, naphthalene diisocyanate, 4,4′-diisocyanatodicyclohexylmethane, 1, 4-benzene diisocyanate, trans-cyclohexane-1,4-diisocyanate, 1,5-naphthalene diisocyanate, 1,6-hexamethylene diisocyanate, 4,6-xylene diisocyanate, and isophorone diisocyanate, with combinations and isomers thereof;
- b) a poly(ethylene oxide) segment having a number average molecular weight in the range of about 18,000 to about 2,000,000;
- c) a poly[di(ethylene glycol) adipate] segment;
- d) a poly(tetrahydrofuran) segment;
- e) dimethylol propionic acid;
- and
- f) glycidol,
- g) wherein the reaction product further includes:
- i) acid moeities that result from the dimethylol propionic acid;
- ii) urea moieties;
- and
- iii) glycidyl moieties as a reacted product of the glycidol.
9 more elements
An epoxy urethane urea carboxylic acid alkylene oxide coating comprising a reaction product consisting essentially of the following reactants:
- a) a diisocyanate selected from the group consisting of 2,4-toluene diisocyanate, 2,6-toluene diisocyanate, 4,4′-dicyclohexylmethane diisocyanate, 3,3′-dimethyl-4,4′-biphenyl diisocyanate, 4,4′-methylene diphenyl diisocyanate, polymeric MDI, naphthalene diisocyanate, 4,4′-diisocyanatodicyclohexylmethane, 1,4-benzene diisocyanate, trans-cyclohexane-1,4-diisocyanate, 1,5-naphthalene diisocyanate, 1,6-hexamethylene diisocyanate, 4,6-xylene diisocyanate, and isophorone diisocyanate, with combinations and isomers thereof;
- b) a poly(ethylene oxide) segment having a number average molecular weight in the range of about 18,000 to about 2,000,000;
- c) a poly[di(ethylene glycol) adipate] segment;
- d) a poly(tetrahydrofuran) segment;
- e) dimethylol propionic acid;
- f) adipic acid dihydrazide;
- and
- g) glycidol,
- h) wherein the reaction product further includes:
- i) acid moeities that result from the dimethylol propionic acid;
- ii) urea moieties;
- and
- iii) glycidyl moieties as a reacted product of the glycidol.
10 more elements
A terminal oxirane polyurethane urea chain extender/water excess coating comprising a reaction product consisting essentially of the following reactants:
- a) water;
- b) a diisocyanate selected from the group consisting of 2,4-toluene diisocyanate, 2,6-toluene diisocyanate, 4,4′-dicyclohexylmethane diisocyanate, 3,3′-dimethyl-4,4′-biphenyl diisocyanate, 4,4′-methylene diphenyl diisocyanate, polymeric MDI, naphthalene diisocyanate, 4,4′-diisocyanatodicyclohexylmethane, 1,4-benzene diisocyanate, trans-cyclohexane-1,4-diisocyanate, 1,5-naphthalene diisocyanate, 1,6-hexamethylene diisocyanate, 4,6-xylene diisocyanate, and isophorone diisocyanate, with combinations and isomers thereof;
- c) a poly(ethylene oxide) segment having a number average molecular weight in the range of about 18,000 to about 2,000,000;
- d) a poly[di(ethylene glycol) adipate] segment;
- e) a poly(tetrahydrofuran) segment;
- f) dimethylol propionic acid;
- g) glycidol,
- h) wherein the reaction product further includes:
- i) acid moeities that result from the dimethylol propionic acid;
- ii) urea moieties;
- and
- iii) glycidyl moieties as a reacted product of the glycidol.
9 more elements
An epoxy urethane alkylene oxide coating comprising a reaction product of the following reactants:
- a) a diisocyanate from the group consisting of 2,4-toluene diisocyanate, 2,6-toluene diisocyanate, 4,4′-dicyclohexylmethane diisocyanate, 3,3′-dimethyl-4,4′-biphenyl diisocyanate, 4,4′-methylene diphenyl diisocyanate, polymeric MDI, naphthalene diisocyanate, 4,4′-diisocyanatodicyclohexylmethane, 1,4-benzene diisocyanate, trans-cyclohexane-1,4-diisocyanate, 1,5-naphthalene diisocyanate, 1,6-hexamethylene diisocyanate, 4,6-xylene diisocyanate, and isophorone diisocyanate, with combinations and isomers thereof;
- b) a dimethylol propionic acid;
- c) a poly[di(ethylene glycol) adipate] segment;
- d) a poly(tetrahydrofuran) segment;
- and
- e) glycidol.
3 more elements
Dependencies are inferred from the claim text.