Patent classifications
C09D123/00
Anti-powdering and anti-static polymer film for digital printing
A coated polymer film, such as a coated polyester film, is disclosed. In one embodiment, the coated film may be used as a substrate for digital printing. In one embodiment, the coating contains an anionic anti-static agent comprising a sulphonated copolyester resin. In an alternative embodiment, the coating contains an anti-static agent comprising an organometallic, such as an organo zirconate, in combination with metal oxide particles. The metal oxide particles may comprise nanoparticles. In one embodiment, the coating can further contain a print enhancing agent and an adhesion promoter.
METAL PACKAGING POWDER COATING COMPOSITIONS, COATED METAL SUBSTRATES, AND METHODS
Powder coating compositions, particularly metal packaging powder coating compositions, coated metal substrates, and methods; wherein the powder coating compositions include powder polymer particles comprising a polymer having a number average molecular weight of at least 2000 Daltons, wherein the powder polymer particles have a particle size distribution having a D50 of less than 25 microns; and, in certain embodiments, one or more charge control agents in contact with the powder polymer particles.
METAL PACKAGING POWDER COATING COMPOSITIONS, COATED METAL SUBSTRATES, AND METHODS
Powder coating compositions, particularly metal packaging powder coating compositions, coated metal substrates, and methods; wherein the powder coating compositions include powder polymer particles comprising a polymer having a number average molecular weight of at least 2000 Daltons, wherein the powder polymer particles have a particle size distribution having a D50 of less than 25 microns; and, in certain embodiments, one or more charge control agents in contact with the powder polymer particles.
LIQUID-REPELLENT COMPOSITION, METHOD FOR TREATING SUBSTRATE, AND ARTICLE
The present invention relates to a liquid-repellent composition which is hydrocarbon-based and can impart excellent liquid repellency; a method for treating a substrate using the liquid-repellent composition; and an article equipped with a coating film which is hydrocarbon-based and has excellent liquid repellency. The liquid-repellent composition of the present invention comprises a polymer (A) having a unit based on the following monomer (a); in the method for treating a substrate of the present invention, a substrate is treated with the liquid-repellent composition of the present invention; and the article of the present invention has a substrate treated with the liquid-repellent composition of the present invention. Formula (a) is (R.sup.1Q.sup.1)HCCH(Q.sup.2R.sup.2). Q.sup.1 and Q.sup.2 each independently a divalent linking group. R.sup.1 and R.sup.2 each independently a monovalent hydrocarbon group having 8 to 24 carbon atoms.
Powder coating composition
A powder coating composition grindable at non-cryogenic temperatures includes: (a) a first polymer having a number average molecular weight (Mn) of more than 1,000 and a Tg of at least 40 C.; (b) a second polymer having a Tm of at least 100 C.; and optionally (c) a cross-linker. The first polymer and the second polymer are different from one another, and each of the first and second polymers have less than 25 wt % fluorine-containing monomeric units, with wt % based on the total weight of the monomeric units in each polymer. Upon grinding at a temperature above 4 C. the coating composition has an average particle size from 15 to 150 microns. Further coating compositions, methods of preparing coating compositions, coating systems, and substrates coated with a powder coating composition are also disclosed.
Powder coating composition
A powder coating composition grindable at non-cryogenic temperatures includes: (a) a first polymer having a number average molecular weight (Mn) of more than 1,000 and a Tg of at least 40 C.; (b) a second polymer having a Tm of at least 100 C.; and optionally (c) a cross-linker. The first polymer and the second polymer are different from one another, and each of the first and second polymers have less than 25 wt % fluorine-containing monomeric units, with wt % based on the total weight of the monomeric units in each polymer. Upon grinding at a temperature above 4 C. the coating composition has an average particle size from 15 to 150 microns. Further coating compositions, methods of preparing coating compositions, coating systems, and substrates coated with a powder coating composition are also disclosed.
Powder coating composition
A powder coating composition grindable at non-cryogenic temperatures includes: (a) a first polymer having a number average molecular weight (Mn) of more than 1,000 and a Tg of at least 40 C.; (b) a second polymer having a Tm of at least 100 C.; and optionally (c) a cross-linker. The first polymer and the second polymer are different from one another, and each of the first and second polymers have less than 25 wt % fluorine-containing monomeric units, with wt % based on the total weight of the monomeric units in each polymer. Upon grinding at a temperature above 4 C. the coating composition has an average particle size from 15 to 150 microns. Further coating compositions, methods of preparing coating compositions, coating systems, and substrates coated with a powder coating composition are also disclosed.
Ultrahigh melt flow styrenic block copolymers
The disclosure relates to a hydrogenated styrenic block copolymer with high vinyl content, low viscosity, low order-disorder temperature and improved processability. The hydrogenated styrenic block copolymers can be extruded or molded with a minimum of additives. The hydrogenated styrenic block copolymers have high melt flows allowing for ease in processing such as injection molding, overmolding, dipping, extrusion, roto-molding, slush molding, fiber spinning, film making, 3D printing and foaming.
Ultrahigh melt flow styrenic block copolymers
The disclosure relates to a hydrogenated styrenic block copolymer with high vinyl content, low viscosity, low order-disorder temperature and improved processability. The hydrogenated styrenic block copolymers can be extruded or molded with a minimum of additives. The hydrogenated styrenic block copolymers have high melt flows allowing for ease in processing such as injection molding, overmolding, dipping, extrusion, roto-molding, slush molding, fiber spinning, film making, 3D printing and foaming.
3D PRINTER FILAMENT COMPOSITION CONTAINING METAL POWDER, AND FILAMENT USING SAME
The present invention provides a 3D printer composition, a 3D printer filament using same, and a method for manufacturing a metal steel product by using the filament, the composition including: 10 wt % to 30 wt % of a polymer binder including 3.5 wt % to 10 wt % of polyacetal, 3.5 wt % to 10 wt % of a polyolefin elastomer, 2 wt % to 6 wt % of a plasticizer, and 1 wt % to 4 wt % of a lubricant; and 70 wt % to 90 wt % of a metal powder.