Patent classifications
C09D153/02
3D PRINTABLE THERMOPLASTIC ELASTOMER BLENDS
A 3D-printable blend comprising a thermoplastic elastomer and a polymer. The thermoplastic elastomer is selected from poly(styrene-b-isobutylene-b-styrene) (SIBS), poly(St-b-butadiene-b-St) (SBS), poly(St-b-isoprene-b-St) (SIS), and their hydrogenated derivatives. The polymer is selected from polystyrene (PSt), poly(2,6-dimethyl-1,4-phenylene oxide) (PPO) and blends of PSt and PPO. The blends may be made into filaments suitable for use in the production of 3D printed articles.
Roadway Surface Compositions and Pelletized Binder Materials Thereof
A composition for applying onto a road surface and methods for making thereof is disclosed. The composition comprises a binder material of at least a styrenic block copolymer and a resin, which can be pelletized. The SBC is selected from a styrene-isoprene-styrene rubber (SIS) and styrene-isoprene/butadiene-styrene (SIBS); or styrene-ethylene/propylene/styrene-styrene (SEPSS), styrene-ethylene/butylene/styrene-styrene (SEBSS) and mixtures thereof. The binder can be used in road marking compositions or surface treatment compositions when combined with other components such as pigments, glass beads, anti-skid media, fillers, waxes, elastomer/plastomer, and plasticizers.
THERMOPLASTIC ELASTOMER OVERMOLD COMPOSITION
A thermoplastic elastomer composition for overmolding a plastic article or substrate, a method for the preparation of an overmolded article, and an overmolded article having a layer of thermoplastic elastomer is provided. The thermoplastic elastomer composition comprises a blend of hydrogenated styrene block copolymers and unsaturated styrene block copolymer. The method for the preparation of the overmolded article comprises applying a thermoplastic elastomer composition to at least a portion of the exterior surface of a rigid plastic substrate.
PRECOATED ALUMINUM MATERIAL AND ALUMINUM COMPOSITE MATERIAL
A precoated aluminum material to which various resin members can be bonded and an aluminum composite material that is prepared using this precoated aluminum material are provided. A precoated aluminum material (1) comprises: a substrate (2) composed of an aluminum material; and a primer coating (3) formed on the substrate (2). The primer coating (3) contains urethane resin. In the infrared-absorption spectrum of the primer coating (3), the value of the optical absorption A.sub.C═O at the peak top of the maximum peak among peaks present in the wavenumber range of 1,180-1,330 cm.sup.−1 is 0.8-1.5 times that of the optical absorption A.sub.urethane at the peak top of the maximum peak among peaks present in the wavenumber range of 1,670-1,770 cm.sup.−1.
PRECOATED ALUMINUM MATERIAL AND ALUMINUM COMPOSITE MATERIAL
A precoated aluminum material to which various resin members can be bonded and an aluminum composite material that is prepared using this precoated aluminum material are provided. A precoated aluminum material (1) comprises: a substrate (2) composed of an aluminum material; and a primer coating (3) formed on the substrate (2). The primer coating (3) contains urethane resin. In the infrared-absorption spectrum of the primer coating (3), the value of the optical absorption A.sub.C═O at the peak top of the maximum peak among peaks present in the wavenumber range of 1,180-1,330 cm.sup.−1 is 0.8-1.5 times that of the optical absorption A.sub.urethane at the peak top of the maximum peak among peaks present in the wavenumber range of 1,670-1,770 cm.sup.−1.
GLOSS REMOVABLE COATING
A coating composition comprises at least one solvent, at least one resin, and at least one filler, wherein the filler is silica-deficient, sodium-potassium alumina silicate. The silica-deficient filler may be a sodium-potassium alumina silicate that contains less than 0.1 percent by weight crystalline silica and is 5 percent by weight or less of the coating composition or 1 percent by weight or less of the coating composition. In the later instance, the coating composition contains less than 0.001 percent crystalline silica. The resin may comprise styrene, styrenic copolymers, or mixtures including styrene. The composition provides a temporary gloss coating that may be removed physically, as by peeling for example. A method for coating a substrate with a coating that maybe removed by physical means is also provided. The method comprises applying the disclosed coating composition.
HOT MELT COATING AGENT FOR COMPONENT-MOUNTED ELECTRONIC CIRCUIT BOARD
The present invention provides a hot-melt coating agent that is excellent in bubble-suppression properties during coating, that is cured in a short period of time after coating, and that is excellent in tack-free properties and bleed-out resistance properties. The present invention provides a hot-melt coating agent for a component-mounted electronic circuit board that contains a thermoplastic resin (A) and a liquid softener (B); and that has a melt viscosity at 160° C. (η1) of 20000 mPa.Math.s or less and a melt viscosity at 180° C. (η2) of 10000 mPa.Math.s or less, wherein the ratio of the melt viscosity at 160° C. (η1) to the melt viscosity at 180° C. (η2) (η1/η2) is 1.0 to 5.0.
HOT MELT COATING AGENT FOR COMPONENT-MOUNTED ELECTRONIC CIRCUIT BOARD
The present invention provides a hot-melt coating agent that is excellent in bubble-suppression properties during coating, that is cured in a short period of time after coating, and that is excellent in tack-free properties and bleed-out resistance properties. The present invention provides a hot-melt coating agent for a component-mounted electronic circuit board that contains a thermoplastic resin (A) and a liquid softener (B); and that has a melt viscosity at 160° C. (η1) of 20000 mPa.Math.s or less and a melt viscosity at 180° C. (η2) of 10000 mPa.Math.s or less, wherein the ratio of the melt viscosity at 160° C. (η1) to the melt viscosity at 180° C. (η2) (η1/η2) is 1.0 to 5.0.
ANTI-GLARE FILM AND POLARIZER WITH THE SAME
The present invention is to provide an anti-glare film. The anti-glare film comprises a polyethylene terephthalate (PET) substrate and an anti-glare layer formed on a surface of the PET substrate, wherein the anti-glare coating layer comprises 75 to 90 weight parts of an acrylic-based resin, 0.01 to 10 weight parts of silica nanoparticles 5 to 20 weight parts of organic microparticles and 0.05 to 2 weight parts of leveling agent. The anti-glare film has a total haze ranging between 35% and 50%, a surface haze ranging between 10% and 15% and a gloss at a viewing angle of 60 degrees between 30% and 50% thereof. The anti-glare film can provide satisfactory anti-glare properties, high precision, surface fineness, no flicker, good visibility and also fine adhesion between layers.
PRIMER COMPOSITION AND LAMINATED SUBSTRATE
A primer composition and a laminated substrate with a primer are provided. The primer composition includes 60 to 90 parts by weight of vinyl-aromatic-conjugated-diene copolymer, 1 to 16 parts by weight of a compound having at least three of terminal acryloyloxy groups and 5 to 24 parts by weight of a silane coupling agent, wherein the silane coupling agentis distinct from the compound having at least three of terminal acryloyloxy groups.