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US 9,422,444 B2Granted
Coating compositions
AssigneeDow Global Technologies LLC
InventorsRichard A. Lundgard, Houxiang Tang, Jeffrey Wilbur, Jinghang Wu, David L. Malotky
Life of this patent
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Abstract
Embodiments of the present disclosure are directed towards coating compositions comprising from 20 to 85 percent of an aqueous dispersion based on a total weight of the coating composition, a basic water composition, and a crosslinker, wherein the aqueous dispersion comprises a melt blending product of (a) a base polymer comprising a polyolefin, (b) a polymeric performance improving agent (c) a polymeric stabilizing agent, and (d) a polymeric coupling agent.
Claims13
A coating composition comprising:
- from 20 to 85 percent of an aqueous dispersion based on a total weight of the coating composition, wherein the aqueous dispersion comprises a melt blending product of (a) a polymer of polypropylene having a melt index value of at least 30 as measured by ASTM D-1238, (b) a propylene-ethylene copolymer having a melt index value of less than 30 as measured by ASTM D-1238 (c) a polymeric stabilizing agent, and (d) a compatiblizer, wherein the aqueous dispersion has a solid content from 15 weight percent to 70 weight percent based on a total weight of the aqueous dispersion, the solid content comprises from 40 to 80 percent by weight of the polymer of polypropylene based on a total weight of the solids content, from 3 to 35 percent by weight of the propylene-ethylene copolymer based on the total weight of the solids content, from 2 to 35 percent by weight of the polymeric stabilizing agent based on the total weight of the solids content, and from 5 to 15 percent by weight of the compatiblizer based on the total weight of the solids content;
- a basic water composition comprising from 90 to 99.99 percent by weight of water based on a total weight of the basic water composition and from 0.01 percent to 10 percent by weight of a neutralizing agent based on the total weight of the basic water composition, wherein the basic water composition is from 0 weight percent to 80 weight percent of the coating composition based on the total weight of the coating composition;
- and
- a crosslinker, wherein the crosslinker is from 0 weight percent to 40 weight percent of the coating composition based on the total weight of the coating composition.
1 more element
A coated article comprising a substrate and a coating on the substrate, wherein the coating includes a coating composition comprising:
- from 20 to 85 percent of an aqueous dispersion based on a total weight of the coating composition, wherein the aqueous dispersion comprises a melt blending product of (a) a polymer of polypropylene having a melt index value of at least 30 as measured by ASTM D-1238, (b) a propylene-ethylene copolymer having a melt index value of less than 30 as measured by ASTM D-1238 (c) a polymeric stabilizing agent, and (d) a compatiblizer, wherein the aqueous dispersion has a solid content from 15 weight percent to 70 weight percent based on a total weight of the aqueous dispersion, the solid content comprises from 40 to 80 percent by weight of the polymer of polypropylene based on a total weight of the solids content, from 3 to 35 percent by weight of the propylene-ethylene copolymer based on the total weight of the solids content, from 2 to 35 percent by weight of the polymeric stabilizing agent based on the total weight of the solids content, and from 5 to 15 percent by weight of the compatiblizer based on the total weight of the solids content;
- a basic water composition comprising from 90 to 99.99 percent by weight of water based on a total weight of the basic water composition and from 0.01 percent to 10 percent by weight of a neutralizing agent based on the total weight of the basic water composition, wherein the basic water composition is from 0 weight percent to 80 weight percent of the coating composition based on the total weight of the coating composition;
- and
- a crosslinker, wherein the crosslinker is from 0 weight percent to 40 weight percent of the coating composition based on the total weight of the coating composition.
1 more element
A coated article comprising a substrate and a cured coating on the substrate, wherein the cured coating is formed by curing a coating composition comprising
- from 20 to 85 percent of an aqueous dispersion based on a total weight of the coating composition, wherein the aqueous dispersion comprises a melt blending product of (a) a polymer of polypropylene having a melt index value of at least 30 as measured by ASTM D-1238, (b) a propylene-ethylene copolymer having a melt index value of less than 30 as measured by ASTM D-1238 (c) a polymeric stabilizing agent, and (d) a compatiblizer, wherein the aqueous dispersion has a solid content from 15 weight percent to 70 weight percent based on a total weight of the aqueous dispersion, the solid content comprises from 40 to 80 percent by weight of the polymer of polypropylene based on a total weight of the solids content, from 3 to 35 percent by weight of the propylene-ethylene copolymer based on the total weight of the solids content, from 2 to 35 percent by weight of the polymeric stabilizing agent based on the total weight of the solids content, and from 5 to 15 percent by weight of the compatiblizer based on the total weight of the solids content;
- a basic water composition comprising from 90 to 99.99 percent by weight of water based on a total weight of the basic water composition and from 0.01 percent to 10 percent by weight of a neutralizing agent based on the total weight of the basic water composition, wherein the basic water composition is from 0 weight percent to 80 weight percent of the coating composition based on the total weight of the coating composition;
- and
- a crosslinker, wherein the crosslinker is from 0 weight percent to 40 weight percent of the coating composition based on the total weight of the coating composition.
1 more element
Dependencies are inferred from the claim text.