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US 10,377,933 B2Granted
Antifog coating composition and method of making thereof
AssigneeMomentive Performance Materials Inc.
InventorsRaghuraman Govindan Karunakaran, Indumathi Ramakrishnan, Andreas Haeuseler, Keith J. Weller
Life of this patent
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Abstract
The present technology relates to an antifog coating composition comprising a matrix, a hydrophilic compound, and a surfactant. The antifog coating composition may further comprise a thermal or a photo-initiator. The antifog coating composition may be applied to a polycarbonate substrate.
Claims19
An antifog coating composition comprising at least one thermoplastic matrix, at least one hydrophilic compound, and at least one surfactant, wherein the at least one hydrophilic compound is a hydrophilic acrylate having formula (I):
- wherein:
- R1 is independently selected from the group consisting of O;
- H;
- a linear alkyl group containing from 1 to 5 carbon atoms;
- a linear alkyl group containing from 1 to 5 carbon atoms substituted with a hydroxy or an alkoxy group;
- an aromatic group;
- a hydroxy group;
- an alkoxy group containing from 1 to 3 carbon atoms;
- a methacrylate, and an acrylate group;
- wherein a is an integer from 0 to 1;
- R2 is independently chosen from H or CH3;
- R3 is independently selected from the group consisting of H, an alkyl group having from 1 to 6 carbon atoms, a hydroxy group, an alkoxy group having from 1 to 3 carbon atoms, a methacrylate and an acrylate group;
- A is independently selected from the group consisting of O, a substituted or unsubstituted linear alkyl group having from 1 to 20 carbon atoms, a substituted or unsubstituted cycloalkyl group having from 1 to 20 carbon atoms, a substituted or unsubstituted divalent aromatic group having from 6 to 20 carbon atoms, an alkylene oxide, and a substituted or unsubstituted divalent heterocyclic group having from 5 to 20 carbon atoms;
- A′ is independently selected from H, a substituted or unsubstituted linear alkyl group having from 1 to 20 carbon atoms, a substituted or unsubstituted cycloalkyl group having from 1 to 20 carbon atoms, a substituted or unsubstituted divalent aromatic group having from 6 to 20 carbon atoms, a substituted or unsubstituted divalent heterocyclic group having from 5 to 20 carbon atoms, a methacrylate and an acrylate group;
- B is independently selected from 0, a substituted or unsubstituted linear alkyl group having from 1 to 20 carbon atoms, a substituted or unsubstituted cycloalkyl group having from 1 to 20 carbon atoms, a substituted or unsubstituted divalent aromatic group having from 6 to 20 carbon atoms, a substituted or unsubstituted divalent heterocyclic group having from 5 to 20 carbon atoms, and a bisphenol A unit e is an integer from 0 to 1;
- wherein n is an integer from 1 to 5 and m is an integer from 0 to 5.
13 more elements
An antifog coating composition comprising:
- (a) at least one acrylate matrix;
- (b) at least one hydrophilic acrylate having the formula (I) or formula (II):
- wherein:
- R1 is independently selected from the group consisting of 0;
- H;
- a linear alkyl group having from 1 to 5 carbon atoms optionally substituted by a hydroxy or an alkoxy group;
- an aromatic group;
- a hydroxy group;
- an alkoxy group having from 1 to 5 carbon atoms;
- a methacrylate;
- and an acrylate group;
- wherein a is an integer from 0 to 1;
- R2 is independently chosen from H or CH3;
- R3 is independently selected from the group consisting of H, an alkyl group having 1 to 6 carbon atoms, a hydroxy group, an alkoxy group having from 1 to 3 carbon atoms, a methacrylate and an acrylate group;
- A is independently selected from the group consisting of 0, a substituted or unsubstituted linear alkyl group having from 1 to 20 carbon atoms, a substituted or unsubstituted cycloalkyl group having from 1 to 20 carbon atoms, a substituted or unsubstituted divalent aromatic group having from 6 to 20 carbon atoms, an alkylene oxide, and a substituted or unsubstituted divalent heterocyclic group having from 5 to 20 carbon atoms;
- A′ is independently selected from the group consisting of H, a substituted or unsubstituted linear alkyl group having from 1 to 20 carbon atoms, a substituted or unsubstituted cycloalkyl group having from 1 to 20 carbon atoms, a substituted or unsubstituted divalent aromatic group having from 6 to 20 carbon atoms, a substituted or unsubstituted divalent heterocyclic group having from 5 to 20 carbon atoms, a methacrylate, and an acrylate group;
- B is independently selected from 0, a substituted or unsubstituted linear alkyl group having from 1 to 20 carbon atoms, a substituted or unsubstituted cycloalkyl group having from 1 to 20 carbon atoms, a substituted or unsubstituted divalent aromatic group having from 6 to 20 carbon atoms, a substituted or unsubstituted divalent heterocyclic group having from 5 to 20 carbon atoms and a bisphenol A unit;
- wherein e is an integer from 0 to 1;
- wherein n is an integer from 1 to 5 and m is an integer from 0 to 5;
- or
- wherein R4, R5, and R6 are independently selected from the group consisting of H, a linear alkyl group having from 1 to 5 carbon atoms, an aromatic group, a hydroxy group, and an alkoxy group having from 1 to 3 carbon atoms;
- Q is independently selected from the group consisting of a linear alkylene group having from 1 to 6 carbon atoms, a cycloalkylene group having from 1 to 10 carbon atoms, a divalent aromatic group having from 6 to 20 carbon atoms, and a divalent heterocyclic group having from 5 to 20 carbon atoms;
- wherein p is an integer from 0 to 5;
- and
- (c) at least one non-ionic surfactant.
22 more elements
Dependencies are inferred from the claim text.