Coating compositions and coating products made therefrom
A coating composition and coating products made therefrom, containing modified inorganic nanoplatelets that form mesomorphic structure in a resin phase. The coating products exhibit low permeation/penetration properties, and can be used as anti-corrosion or barrier coatings.
1. A coating composition, comprising:
a matrix comprising a resin;
a plurality of inorganic nanoplatelets comprising α-zirconium phosphate; and
an oligomer,
wherein the inorganic nanoplatelets are modified by the oligomer and form a mesomorphic structure in the matrix.
2. The coating composition according to claim 1 , wherein the resin comprises at least one polymeric resin selected from the group consisting of an epoxy resin, a poly(meth)acrylate, a polyurethane, a polyester, a polyolefin, an amorphous cycloolefin copolymer, a polyimide, a polycarbonate, a polyvinyl chloride, and a polystyrene.
3. The coating composition according to claim 1 , wherein the resin comprises at least one selected from the group consisting of an epoxy resin monomer, a (meth)acrylate monomer, an epoxy acrylate, a urethane acrylate, an acrylic acrylate, a polyester acrylate, a thermosetting urethane, a thermosetting polyester, an alkyd resin, and a phenolic resin.
4. The coating composition according to claim 1 , wherein the inorganic nanoplatelets additionally comprise at least one inorganic material selected from the group consisting of a natural silicate, a synthetic silicate, montmorillonite, bentonite, laponite, a metal phosphate, a metal oxide, a metal hydroxide, graphite, graphene, and a derivative thereof.
5. The coating composition according to claim 1 , wherein the oligomer comprises at least one selected from the group consisting of an amine and an amide.
6. The coating composition according to claim 5 , wherein the oligomer comprises a polyether monoamine.
7. A coating produced by a process comprising applying the coating composition according to claim 1 .
8. A cured product produced by a process comprising curing the coating composition according to claim 1 ,
wherein the cured product comprises a polymer resin matrix obtained by curing the resin.
9. The cured product according to claim 8 , wherein an amount of the inorganic nanoplatelets in the coating composition is at least 5 wt % and less than 30 wt %.
10. The cured product according to claim 8 , wherein the inorganic nanoplatelets form a smectic structure.
11. The cured product according to claim 10 , wherein the mesomorphic structure has a d-spacing of 130 nm or less.
12. A metal material, comprising:
a metal having a surface coated with the coating composition according to claim 1 ,
wherein the metal is at least one selected from the group consisting of steel, aluminum, titanium, magnesium, copper, brass, and an alloyed metal including thereof.
13. A polymer film, comprising:
a film having at least one surface coated with the coating composition according to claim 1 ,
wherein the film comprises at least one selected from the group consisting of a poly(meth)acrylate, a polyurethane, a polyester, a polyolefin, a polyimide, a polycarbonate, a polyester, a polystyrene, a poly(meth)acrylate-co-styrene, and a cellulose derivative.
14. The cured product according to claim 8 , wherein the cured product is a photocurable coating composition.
15. The metal material according to claim 12 , wherein the cured product is made from a photocurable coating composition.
16. The polymer film according to claim 13 , wherein the cured product is made from a photocurable coating composition.
17. A coating composition, comprising:
a matrix comprising a resin;
a plurality of inorganic nanoplatelets; and
an oligomer comprising a polyether monoamine,
wherein the inorganic nanoplatelets are modified by the oligomer and form a mesomorphic structure in the matrix.