Abstract: The present invention provides aqueous compositions for making damage tolerant coatings comprising a blend of (i) from 2 to 30 wt. %, based on the total weight of solids in the composition, of an acid or anhydride functionalized polyolefin dispersion having an average particle size of from 0.2 to 5 microns, and (ii) a film forming dispersion of one or more epoxy resins chosen from epoxy resins having an epoxy equivalent weight (EEW) of from 150 to 4,000 having an average particle size of from 0.2 to 1.0 microns, wherein the polyolefin dispersion is stabilized with from 2 to 8 wt. %, based on the total weight of solids in the composition, one or more anionic surfactants, such as a sulfate containing surfactant, and, further wherein, the compositions have a pH of from 3 to 8.

Abstract: The present invention provides aqueous compositions for making damage tolerant coatings comprising a blend of (i) from 2 to 30 wt. %, based on the total weight of solids in the composition, of an acid or anhydride functionalized polyolefin dispersion having an average particle size of from 0.2 to 5 microns, and (ii) a film forming dispersion of one or more epoxy resins chosen from epoxy resins having an epoxy equivalent weight (EEW) of from 150 to 4,000 having an average particle size of from 0.2 to 1.0 microns, wherein the polyolefin dispersion is stabilized with from 2 to 8 wt. %, based on the total weight of solids in the composition, one or more anionic surfactants, such as a sulfate containing surfactant, and, further wherein, the compositions have a pH of from 3 to 8.

Abstract: An epoxy functionalized surfactant composition including a reaction product of: (a) a hydrophilic material and (b) an epoxy resin hydrophobe material having an average molecular weight of greater than about 370 Daltons; the above epoxy functionalized surfactant composition being used to prepare a waterborne epoxy dispersion composition including (A) the above epoxy functionalized surfactant composition, (B) an epoxy resin, and (C) water; and processes for preparing the epoxy functionalized surfactant composition and the above waterborne epoxy dispersion composition.

Abstract: The present invention relates to an article and a method for its preparation; the article comprises a cured polymeric film superposing paper or paperboard. The polymeric film comprises: a) a base polymer comprising structural units of ethylene and a C1-C12-alkyl acrylate or methacrylate, wherein the weight-to-weight ratio of the structural units of ethylene and the C1-C12-alkyl acrylate or methacrylate is in the range of from 99.8:0.2 to 50:50; and b) a dispersant which is a copolymer comprising structural units of ethylene and a carboxylic acid monomer, wherein the copolymer has a melt flow index in the range of from 50 to 2000 g/10 min at 190° C.

Abstract: The present invention relates to an article and a method for its preparation; the article comprises a cured polymeric film superposing paper or paperboard. The polymeric film comprises: a) a base polymer comprising structural units of ethylene and a C1-C12-alkyl acrylate or methacrylate, wherein the weight-to-weight ratio of the structural units of ethylene and the C1-C12-alkyl acrylate or methacrylate is in the range of from 99.8:0.2 to 50:50; and b) a dispersant which is a copolymer comprising structural units of ethylene and a carboxylic acid monomer, wherein the copolymer has a melt flow index in the range of from 50 to 2000 g/10 min at 190° C.

Abstract: The present disclosure includes a waterborne polyolefin based coating layer that has improved features as compared to epoxy coatings. The coating composition of the present disclosure include 40 to 80 weight percent (wt. %) of a base polymer; 10 to 30 wt. % of a polymeric stabilizing agent; 5 to 15 wt. % of a polymeric coupling agent; 0 to 35 wt. % of a polymeric performance improving agent; a neutralizing agent that partially or fully neutralize the polymeric stabilizing agent; and a fluid medium, where the wt. % values are based on the total weight of the base polymer, the polymeric coupling agent, the polymeric stabilizing agent and, when present, the polymeric performance improving agent (as used herein, this total weight of the base polymer, the polymeric coupling agent, the polymeric stabilizing agent and, when present, the polymeric performance improving agent may be referred to as the “solid content” of the coating composition).

Abstract: An epoxy functionalized surfactant composition including a reaction product of: (a) a hydrophilic material and (b) an epoxy resin hydrophobe material having an average molecular weight of greater than about 370 Daltons; the above epoxy functionalized surfactant composition being used to prepare a waterborne epoxy dispersion composition including (A) the above epoxy functionalized surfactant composition, (B) an epoxy resin, and (C) water; and processes for preparing the epoxy functionalized surfactant composition and the above waterborne epoxy dispersion composition.

Abstract: The present invention provides compositions for water vapor permeable hydrophobic coating comprising a blend of (i) a primary polyolefin dispersion of one or more large particle size polyolefins having a melting point of at least 95° C., and an average particle size of from 1 to 5 microns, and containing a volatile base and a 14 to 40 carbon long chain linear carboxylic acid dispersing agent, and (ii) a film forming second dispersion of one or more polymers having an average particle size of from 0.1 to 1.0 microns chosen from one or more polyolefins having a melting point from 50 to 90 ° C. further containing an at least partially neutralized olefin containing dispersing agent, one or more alkyl celluloses which further contain a plasticizer having a boiling point of 250° C. or greater and containing an at least partially neutralized olefin containing dispersing agent, and one or more acrylic emulsion polymers having a Tg of from 0 to 60° C.

Abstract: At least a two-layer protective coating system including: (a) a layer of a fusion bonded epoxy, and (b) a layer of a spray-dried protective powder coating disposed on at least a portion of the top surface of the fusion bonded epoxy layer (a), said powder coating being cured to form a protective coating on at least a portion of the fusion bonded epoxy layer; a process for preparing the above two-layer protective coating system; a substrate such as a metal pipe coated with the above two-layer protective coating system; and a process for producing a coated article such as a coated metal pipe using the above two-layer protective coating system.

Abstract: The present invention provides compositions for water vapor permeable hydrophobic coating comprising a blend of (i) a primary polyolefin dispersion of one or more large particle size polyolefins having a melting point of at least 95° C., and an average particle size of from 1 to 5 microns, and containing a volatile base and a 14 to 40 carbon long chain linear carboxylic acid dispersing agent, and (ii) a film forming second dispersion of one or more polymers having an average particle size of from 0.1 to 1.0 microns chosen from one or more polyolefins having a melting point from 50 to 90 ° C. further containing an at least partially neutralized olefin containing dispersing agent, one or more alkyl celluloses which further contain a plasticizer having a boiling point of 250° C. or greater and containing an at least partially neutralized olefin containing dispersing agent, and one or more acrylic emulsion polymers having a Tg of from 0 to 60° C.

Abstract: The present disclosure includes a waterborne polyolefin based coating layer that has improved features as compared to epoxy coatings. The coating composition of the present disclosure include 40 to 80 weight percent (wt. %) of a base polymer; 10 to 30 wt. % of a polymeric stabilizing agent; 5 to 15 wt. % of a polymeric coupling agent; 0 to 35 wt. % of a polymeric performance improving agent; a neutralizing agent that partially or fully neutralize the polymeric stabilizing agent; and a fluid medium, where the wt. % values are based on the total weight of the base polymer, the polymeric coupling agent, the polymeric stabilizing agent and, when present, the polymeric performance improving agent (as used herein, this total weight of the base polymer, the polymeric coup ling agent, the polymeric stabilizing agent and, when present, the polymeric performance improving agent may be referred to as the “solid content” of the coating composition).

Abstract: The present disclosure includes a waterborne polyolefin based coating layer that has improved features as compared to epoxy coatings. The coating composition of the present disclosure include 40 to 80 weight percent (wt. %) of a base polymer; 10 to 30 wt. % of a polymeric stabilizing agent; 5 to 15 wt. % of a polymeric coupling agent; 0 to 35 wt. % of a polymeric performance improving agent; a neutralizing agent that partially or fully neutralize the polymeric stabilizing agent; and a fluid medium, where the wt. % values are based on the total weight of the base polymer, the polymeric coupling agent, the polymeric stabilizing agent and, when present, the polymeric performance improving agent (as used herein, this total weight of the base polymer, the polymeric coupling agent, the polymeric stabilizing agent and, when present, the polymeric performance improving agent may be referred to as the “solid content” of the coating composition).

Abstract: The present invention generally relates to a method for evaluating de-agglomeration/coagulation stability of one or more agglomerates materials.