Method of coating and compositions for use therein
First Claim
Patent Images
1. A method of preparing a coated substrate comprising:
- providing a radiation curable coating composition comprising a resin component including an unsaturated monomer and at least one of an unsaturated oligomer, binder or mixture thereof,a pigment and optionally a filler wherein the total of pigments and filler constitutes at least 10 parts by weight based on 100 parts by weight of resin component;
heating the radiation curable coating composition to provide a hot coating composition of temperature of from 35 to 150°
C.;
applying the hot radiation curable composition to the surface of the substrate at a temperature in the range of from 35 to 150°
C. to the substrate; and
subjecting the applied radiation curable coating to radiation to thereby cure the coating.
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Abstract
A method of preparing a coated substrate comprising: providing a radiation curable composition comprising a resin component including an unsaturated monomer and an unsaturated oligomer, binder or mixture of oligomer and binder; applying the radiation curable composition at a temperature in the range of from 35 to 150° C. to the substrate; and subjecting the applied coating to radiation to thereby cure the coating. The invention also provides a composition for application of pigmented finishes and a method of coating in which a radiation curable composition is applied to a wet substrate.
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Citations
22 Claims
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1. A method of preparing a coated substrate comprising:
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providing a radiation curable coating composition comprising a resin component including an unsaturated monomer and at least one of an unsaturated oligomer, binder or mixture thereof, a pigment and optionally a filler wherein the total of pigments and filler constitutes at least 10 parts by weight based on 100 parts by weight of resin component; heating the radiation curable coating composition to provide a hot coating composition of temperature of from 35 to 150°
C.;applying the hot radiation curable composition to the surface of the substrate at a temperature in the range of from 35 to 150°
C. to the substrate; andsubjecting the applied radiation curable coating to radiation to thereby cure the coating. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 22)
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14. A radiation curable coating composition comprising:
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a resin component comprising a monomer and at least one of a prepolymer and a binder polymer, a pigment and optionally a filler present in an amount of at least 40 parts by weight of the total of pigment and filler per 100 parts by weight of resin component; and a photoinitiator component comprising a combination of an acyl phosphine oxide initiator and an α
-hydroxy-α
,α
-di-substituted acetophenone initiator. - View Dependent Claims (15, 16, 17, 18)
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19. A method of coating a substrate comprising:
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providing a radiation curable coating composition comprising a monomer and a prepolymer or binder; providing a water-wettable substrate having a surface which has been wet with water; applying the radiation curable composition to the wet surface; and
curing the coating by application of radiation. - View Dependent Claims (20, 21)
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Specification