Patent classifications
C08J2471/02
Oxygen scavenging compositions requiring no induction period
The present invention provides a composition comprising: a polyester base polymer; an oxidizable polyether-based additive; and a transition metal catalyst, wherein the polyester base polymer is substantially free of antimony. Containers made include a wall made of the composition. The polyester base polymer may preferably include polyethylene terephthalate and include less than about 100 ppm of antimony, less than about 50 ppm, less than about 10 ppm, or between about 0 and about 2 ppm. Containers made from the composition are substantially clear and exhibit excellent oxygen scavenging properties with little to no induction period.
Sheet
It is an object of the present invention is to provide a sheet containing ultrafine cellulose fibers, which is excellent in transparency and water resistance. The present invention relates to a sheet including cellulose fibers having a fiber width of 1000 nm or less, and polyamine polyamide epihalohydrin, wherein the haze of the sheet is 6% or less.
Functionalized particulate bicarbonate as blowing agent, foamable polymer composition containing it, and its use in manufacturing a thermoplastic foamed polymer
A chemical blowing agent for foaming a thermoplastic polymer, for example PVC plastisol or a polymer resin in an extrusion process, said chemical blowing agent comprising a functionalized particulate bicarbonate containing at least one polyoxyalkylene additive, preferably excluding an exothermic blowing agent. The polyoxyalkylene additive may be selected from the group consisting of polyoxyalkylenes, any derivative thereof, salts thereof, and any combinations thereof. The particulate bicarbonate may be preferably functionalized by spray-coating, extrusion or co-grinding with at least one polyoxyalkylene additive. The functionalized particulate bicarbonate may comprise 50 wt % to less than 100 wt % of the bicarbonate component, and 0.02-50 wt % of the additive. The functionalized particulate bicarbonate may further comprise 0.1-5 wt % silica. A foamable polymer composition comprising such chemical blowing agent. A process for manufacturing a foamed polymer, such as foamed PVC, comprising shaping and heating the foamable polymer composition, and a foamed polymer obtained by such process.
Treated porous material
A treated cellulosic material comprising: a cellulosic material having a porous structure defining a plurality of pores, the cellulosic material comprising wood including wood or wood composite materials, at least a portion of the pores containing a treating agent comprising: a polymer comprising a water soluble polyol; and a modifying agent comprising a hydrophobic polyalkylene polyol. A method for preparing a treated cellulosic material comprising: providing a cellulosic material; a first treatment protocol comprising impregnating the cellulosic material with a polymer, the polymer comprising a water-soluble polyol; and a second treatment protocol comprising impregnating the cellulosic material with a modifying agent, the modifying agent comprising a hydrophobic polyalkylene polyol.
LOW VISCOSITY DUAL CURE ADDITIVE MANUFACTURING RESINS
Provided herein according to some embodiments is a dual cure additive manufacturing resin, comprising: (i) a light polymerizable component, (ii) a photoinitiator, (iii) a heat polymerizable component, and (iv) a non-reactive diluent, which resin is useful for the production of three-dimensional objects by additive manufacturing. Methods of using the same are also provided.
POLYVINYL ALCOHOL HYDROGEL HAVING ASYMMETRIC PORE SIZE
The present invention relates to a polyvinyl alcohol hydrogel having an asymmetric pore size. the pore size of the upper surface of the polyvinyl alcohol hydrogel is 1-30 μm, the pore size of lower surface thereof is 50-300 μm, and the pore size of the hydrogel gradually increases from the upper surface to the lower surface. The polyvinyl alcohol hydrogel in the present invention has excellent biocompatibility, and has functions of blocking bacteria, anti-adhesion, the absorption of exudate, promoting wound healing, observing in situ of wound healing process and the like.
Sulfur-crosslinked rubber mixture for vehicle tires, containing carbon nanotubes (CNT), vehicle tire having the sulfur-crosslinked rubber mixture, and method for producing the sulfur-crosslinked rubber mixture containing carbon nanotubes
A sulfur-crosslinked rubber mixture for vehicle tires including carbon nanotubes (CNT), to a vehicle tire comprising the sulfur-crosslinked rubber mixture and to a process for producing the sulfur-crosslinked rubber mixture comprising CNT. The sulfur-crosslinked rubber mixture according to the invention is characterized in that the CNT are predispersed in at least one polyisoprene. The vehicle tire according to the invention preferably comprises the sulfur-crosslinked rubber mixture in the tread and/or a sidewall and/or a conductivity track.
COMPOSITE BODY
To provide a composite comprising a resin foam and a resin member different from the resin foam, which can suppress deterioration of the outer appearance of the resin member.
A composite comprising a resin foam formed by using a blowing agent containing 1-chloro-2,3,3,3-tetrafluoropropene, and a resin member different from the resin foam, containing a resin selected from the group consisting of a polycarbonate resin, a polystyrene resin, a polyphenylene ether resin, an acrylonitrile/butadiene/styrene resin and a styrene/acrylonitrile copolymer resin.
HYDROPHILIC COATINGS AND METHODS OF FORMING THE SAME
A urinary catheter including a hydrophilic coatings on the outer surface of the catheter tube wherein the hydrophilic coatings comprises a hydrophilic polymer and a diacrylate compound have a number average molecular weight between about 200 and about 600.
POLYMER FILM FOR BIOSENSOR AND PREPARATION METHOD THEREFOR
Some embodiments of the disclosure provide a polymer film used for a biosensor. The polymer film has a three-dimensional network structure formed by a natural high-molecular polymer and a synthetic high-molecular polymer by a plurality of crosslinking modes. The three-dimensional network structure includes a chemically crosslinked network and a reversible physically crosslinked network, the chemically crosslinked network being formed by covalent bond crosslinking and the reversible physically crosslinked network being formed by ionic bond crosslinking. The chemically crosslinked network has covalent bond crosslinking between the synthetic high-molecular polymers and covalent bond crosslinking between the natural high-molecular polymer and the synthetic high-molecular polymer. The physically crosslinked network has ionic bond crosslinking between natural high-molecular polymers.