Patent classifications
C09D127/20
Amine-containing polymers, dispersions thereof and methods of making and using the same
Described herein is a polymer comprising: interpolymerized units of (i) a fluorinated terminal alkene monomer and (ii) a tertiary amine-containing fluorinated monomer comprising at least one of a vinyl amine, a substituted vinyl amine, an allyl amine, a substituted allyl amine, and combinations thereof; wherein the polymer can be amorphous or semi-crystalline with a melting point no greater than 325 C. Dispersions thereof and methods of making and using the same are also described.
Porous air permeable polytetrafluoroethylene composites with improved mechanical and thermal properties
Porous air permeable expanded PTFE composite with enhanced mechanical and thermal properties are described. The node and fibril microstructure of expanded PTFE is coated on and within the node and fibril microstructure with a suitably chosen polymer to impart property enhancement while maintaining porosity. The coating polymer content of the composite is maintained between 3 and 25 weight percent of the composite and the areal mass of the composite is less than 75 gm/m.sup.2. Exemplary enhancement to properties may include, among others, Average Tensile Strength (ATS) (in MPa)Z strength (in MPa) of 50 MPa.sup.2 or greater, preferably 100 MPa.sup.2 or greater, with air flow less than 500 Gurley seconds. Coating polymers with appropriate temperature resistance provides composites which further exhibit shrinkage of less than 10% at temperatures up to 300 C. with air flow of less than 500 Gurley seconds.
Porous air permeable polytetrafluoroethylene composites with improved mechanical and thermal properties
Porous air permeable expanded PTFE composite with enhanced mechanical and thermal properties are described. The node and fibril microstructure of expanded PTFE is coated on and within the node and fibril microstructure with a suitably chosen polymer to impart property enhancement while maintaining porosity. The coating polymer content of the composite is maintained between 3 and 25 weight percent of the composite and the areal mass of the composite is less than 75 gm/m.sup.2. Exemplary enhancement to properties may include, among others, Average Tensile Strength (ATS) (in MPa)Z strength (in MPa) of 50 MPa.sup.2 or greater, preferably 100 MPa.sup.2 or greater, with air flow less than 500 Gurley seconds. Coating polymers with appropriate temperature resistance provides composites which further exhibit shrinkage of less than 10% at temperatures up to 300 C. with air flow of less than 500 Gurley seconds.
Film forming composition, hardcoat film, polarizing plate, and method for manufacturing hydrophilized hardcoat film
According to the present invention, there are provided a film forming composition, which contains a polymer having a repeating unit represented by General Formula (I) and a curable compound, an optical film having a film formed of the composition, a hardcoat film, a polarizing plate, and a method for manufacturing a hydrophilized hardcoat film. In General Formula (I), R.sup.1 represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, L represents an ester bond, an ether bond, a phenylene group, or an amide bond, R.sup.2 and R.sup.4 each independently represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 20 carbon atoms, or a halogenated alkyl group having 1 to 20 carbon atoms, and R.sup.3 represents a hydrogen atom or a substituent. ##STR00001##
Film forming composition, hardcoat film, polarizing plate, and method for manufacturing hydrophilized hardcoat film
According to the present invention, there are provided a film forming composition, which contains a polymer having a repeating unit represented by General Formula (I) and a curable compound, an optical film having a film formed of the composition, a hardcoat film, a polarizing plate, and a method for manufacturing a hydrophilized hardcoat film. In General Formula (I), R.sup.1 represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, L represents an ester bond, an ether bond, a phenylene group, or an amide bond, R.sup.2 and R.sup.4 each independently represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 20 carbon atoms, or a halogenated alkyl group having 1 to 20 carbon atoms, and R.sup.3 represents a hydrogen atom or a substituent. ##STR00001##
A SUBSTRATE WITH A POLAR ELASTOMER DIELECTRIC AND A METHOD OF COATING A SUBSTRATE WITH A POLAR ELASTOMER DIELECTRIC
A polar elastomer dielectric layer is formed on a substrate by dynamically dispensing a solution containing the polar elastomer on the substrate and curing it at an elevated temperature. The polar elastomer can include poly(vinylidene fluoride-co-hexa-fluoropropylene) (e-PVDF-HFP). They dynamic dispensing process can include spinning the substrate at a first speed, depositing the polar elastomer solution on the substrate, and spinning the substrate at a second speed.
A SUBSTRATE WITH A POLAR ELASTOMER DIELECTRIC AND A METHOD OF COATING A SUBSTRATE WITH A POLAR ELASTOMER DIELECTRIC
A polar elastomer dielectric layer is formed on a substrate by dynamically dispensing a solution containing the polar elastomer on the substrate and curing it at an elevated temperature. The polar elastomer can include poly(vinylidene fluoride-co-hexa-fluoropropylene) (e-PVDF-HFP). They dynamic dispensing process can include spinning the substrate at a first speed, depositing the polar elastomer solution on the substrate, and spinning the substrate at a second speed.
Stain resistant microsphere articles
There is provided an article comprising at least a first surface having a fluorine-containing polymeric binder resin layer and a plurality of microspheres partially embedded in a first major surface of the binder resin layer and adhered thereto; wherein the fluorine-containing polymer is derived in part from at least one partially fluorinated, or non-fluorinated, monomer; and wherein the article exhibits a stain resistance to yellow mustard at elevated temperature and humidity as measured by the change in b* of less than 50. There are also provided such articles wherein the fluorine-containing polymer is derived in part from at least one partially fluorinated, or non-fluorinated, monomer; and wherein the fluorine content along the polymeric backbone of the fluorine-containing polymer is from about 27% to 72% by weight. There are also provided such articles wherein the article is a thermoformable article exhibiting chemical resistance according to ASTM D5402-06.
Stain resistant microsphere articles
There is provided an article comprising at least a first surface having a fluorine-containing polymeric binder resin layer and a plurality of microspheres partially embedded in a first major surface of the binder resin layer and adhered thereto; wherein the fluorine-containing polymer is derived in part from at least one partially fluorinated, or non-fluorinated, monomer; and wherein the article exhibits a stain resistance to yellow mustard at elevated temperature and humidity as measured by the change in b* of less than 50. There are also provided such articles wherein the fluorine-containing polymer is derived in part from at least one partially fluorinated, or non-fluorinated, monomer; and wherein the fluorine content along the polymeric backbone of the fluorine-containing polymer is from about 27% to 72% by weight. There are also provided such articles wherein the article is a thermoformable article exhibiting chemical resistance according to ASTM D5402-06.
COATING COMPOSITION AND LAMINATE
Provided is an aqueous coating composition capable of forming a fluororesin coating film layer with excellent electrical properties and surface physical properties, and good adhesive properties. A coating composition containing 2 or more kinds of fluororesins, wherein at least 1 kind of the fluororesin, a fluororesin (I), has a number of functional groups of 30 to 1,000 per 10.sup.6 main-chain carbon atoms, and the coating composition further contains an inorganic filler, a surfactant, a liquid medium, and a non-fluororesin.