Abstract: A method for producing a film including at least 20 wt % thermoplastic polymer and 50 to 75 wt % inorganic filler, and including the steps of: providing the mixture, melting the mixture, producing a thin layer from the mixture, cooling the thin layer, producing a film, stretching the film in the longitudinal direction and in the transverse direction, wherein the particle size of the inorganic filler is at most 5 ?m and the stretch ratio in the longitudinal direction and in the transverse direction is at least 3.5. The disclosure further relates to films produced by the method and to the use thereof.

Abstract: A thermoplastic polyolefin composition comprises: (A) a polypropylene polymer; (B) an elastomer component; (C) an additive component; and (D) a scavenger component comprising a polyacetoacetate compound having the Formula (I) defined herein and calcium carbonate. And an article is made from the thermoplastic polyolefin composition.

Abstract: Optoelectronic devices, such as photovoltaic devices, comprising a low band gap, solution processable diketopyrrolopyrrole or dithioketopyrrolopyrrole chromophore core or cores are disclosed. Also disclosed are methods of fabricating such optoelectronic devices.

Abstract: The present invention relates to a method of improving UV resistance of a vinylaro-maticmolding mass by means of compounding a thermoplastic polymer composition which comprises at least one graft copolymer with an organopolysiloxane compound and optionally further components.

Abstract: The present invention provides vinyl-based resin particles capable of easily smoothing the surface of a thermosetting resin film when the particles are used as a pore-forming material for a thermosetting resin. Specifically, the present invention provides vinyl-based resin particles for use in making a thermosetting resin porous, the particles having a temperature of 230° C. or higher and lower than 300° C. at 10% mass loss when heated at a rate of 10° C./min in an air atmosphere, and the particles having a mass loss percentage of 85 to 100% after being heated at 350° C. for 5 hours in an air atmosphere.

Abstract: The invention is related to a class of hydrophilic poly(meth)acrylamide-based copolymers each comprising dangling (i.e., pendant) reactive chains each terminated with a carboxyl group groups and at least 50% by mole of (meth)acrylamide repeating units relative to all repeating units of the hydrophilic poly(meth)acrylamide-based copolymer. The hydrophilic copolymers have a relatively high affinity to a base coating of a polyanionic polymer on a medical device or contact lens and are highly reactive towards azetidinium groups of an azetidinium-containing polymer upon heating. They can find particular use in producing water-soluble highly-branched hydrophilic polymeric material and in producing water gradient contact lenses.

Abstract: The invention concerns a method for producing a population of particles of a polymer, wherein the polymer is polyvinylidene difluoride (=PVDF) or a copolymer comprising polyvinylidene difluoride, wherein the polymer is dissolved in an organic solvent, wherein molecules of the solvent comprise or consist of 3 to 22 carbon atoms, one or more oxygen atom(s) as heteroatom(s) and at most one carbocyclic or heterocyclic residue comprising carbon atoms which carbocyclic or heterocyclic residue is an aromatic residue, wherein the carbon atoms in the carbocyclic or heterocyclic residue are carbon atoms taken from said 3 to 22 carbon atoms, wherein the one or more oxygen atom(s) is/are part of at least one carboxylic acid ester group or carbonyl group, wherein the carbon atom in the carboxylic acid ester group and the carbonyl group is one of said 3 to 22 carbon atoms or/and at least one ether group and at most three hydroxyl groups, wherein in case of presence of at least one hydroxyl group the number of ether groups

Abstract: An alcohol soluble protein gas-liquid interface self-assembled porous membrane and a preparation method thereof are provided. The alcohol soluble protein gas-liquid interface self-assembled porous membrane is prepared from an alcohol soluble protein membrane storage solution by an anti-solvent method. The porous interface membrane is rapidly prepared by an alcohol soluble protein interface self-assembled one-step method and can be rapidly formed within 4 seconds, which greatly improves the preparation efficiency of the alcohol soluble protein membrane. The structure (size, pore diameter, micro porosity) of the alcohol soluble protein interface self-assembled porous membrane is precisely regulated and controlled by regulating and controlling process parameters, and a new preparation solution of an alcohol soluble protein base membrane, which is more efficient and has a modifiable structure compared with an alcohol soluble protein membrane prepared by a traditional solvent evaporation method, is developed.

Abstract: The present disclosure relates to a water-soluble film with polyvinyl alcohol having a polymerization degree of 100 to 3,000 and a polyhydric alcohol plasticizer.

Abstract: The present disclosure relates to a water-soluble film comprising polyvinyl alcohol having a polymerization degree of 100 to 3,000 and a polyhydric alcohol plasticizer.

Abstract: A self-healing hydraulic seal is provided. The self-healing hydraulic seal is prepared from a water-swellable elastomeric composition comprising a base polymer and a plant-based polysaccharide.

Abstract: Disclosed is a curable composition comprising an elastomer (A), an epoxy resin (B) and a latent curing agent (C), wherein the latent curing agent (C) comprises a combination of two or more latent curing agents.

Abstract: A polymer composition can be used for selective absorbing sintering, SAS, or selective inhibition sintering, SIS. The polymer has open mesopores and the cumulative pore volume distribution of the mesopores, measured to DIN 66134, is at least 0.01 cm3/g.

Abstract: The present invention relates to a polyethylene composition comprising a base resin comprising a low molecular weight ethylene polymer component and a high molecular weight ethylene polymer component, wherein the high molecular weight ethylene polymer component has a higher weight average molecular weight than the low molecular weight ethylene polymer component, wherein the base resin has a density of at least 958.0 kg/m3, and the polyethylene composition a melt flow rate MFR2 (190° C., 2.16 kg) of from 0.50 to 0.80 g/10 min and a molecular weight distribution being the ratio of the weight average molecular weight and the number average molecular weight, Mw/Mn, of from 10.0 to 15.0, a process for producing said polyethylene composition, an article comprising said polyethylene composition and the use of said polyethylene composition for the production of a film.

Abstract: Composite materials include a steel matrix with structural aramid formed of individual fibers penetrating into the matrix at substantial depth. The fibers typically have defined diameters and large ratios of penetration depth to fiber diameter. Specified methods for forming the composite materials have a unique ability to achieve the large ratios of penetration depth to fiber diameter.

Abstract: The present invention discloses a multiblock copolymer with narrow molecular weight distribution and a preparation method therefor. According to the present disclosure, a series of multiblock copolymers with narrow molecular weight distribution are prepared by adopting a reversible addition chain transfer free radical polymerization technology in an emulsion polymerization system by controlling the feeding sequence of monomers. The molecular weight of the series of multiblock copolymers meets theoretical expectations, the content of dead polymers is low, and the mechanical properties are greatly improved compared with the traditional triblock copolymers.

Abstract: The present disclosure relates to a process of manufacturing a pressure sensitive adhesive, comprising the steps of: a) providing a hot melt mixing apparatus comprising a reaction chamber; b) providing a hot melt processable pressure sensitive adhesive composition comprising: (1) a (meth)acrylate copolymer component comprising: i. C1-C32 (meth)acrylic acid ester monomer units; ii. optionally, ethylenically unsaturated monomer units having functional groups selected from the group consisting of acid, hydroxyl, acid anhydride, epoxide, amine, amide groups, and any combinations thereof; and iii.

Abstract: In an embodiment, a thermoplastic vulcanizate (TPV) composition is provided. The TPV composition includes a thermoplastic polyolefin; and an ethylene based copolymer rubber, wherein the ethylene based copolymer rubber has: a Mw of from 500,000 g/mol to 3,000,000 g/mol, a Mw/Mn of 4.0 or lower, and a g?vis of 0.90 or greater. In another embodiment, a TPV composition includes a thermoplastic phase and an ethylene-propylene-diene terpolymer, wherein the thermoplastic vulcanizate composition has: a hardness of from 20 Shore A to 60 Shore D; and a stress relaxation slope of ?1 to ?5 (l/min) as measured by an Elastocon stress relaxation instrument.

Abstract: The present invention relates to a method for producing an ethylene-based copolymer, and more particularly, to a method for producing an ethylene-based copolymer capable of increasing process efficiency by preventing plugging and corrosion of a facility. The method for producing an ethylene-based copolymer includes a producing mode and a washing mode of which one is selectively performed. The producing mode includes: a) hyper-compressing primary compressed ethylene, and a mixture including a carboxylic acid-containing comonomer and a polar solvent to produce a compressed material; b) reacting the compressed material to produce a reaction product including an ethylene-based copolymer; and c) separating and recovering unreacted residues from the reaction product and introducing the unreacted residues into the mixture of step a). The washing mode includes: re-supplying the compressed material produced in step a) to step a) as a mixture, without performing step b).

Abstract: A comb copolymer A2 including at least two boronic ester functions, the copolymer including a main chain and side chains, and at least one portion of the side chains of the copolymer A2 made of oligomers. Also, a composition resulting from mixing at least one polydiol compound A1 and a copolymer A2. The compositions exhibit very varied rheological properties depending on the proportion of the compounds A1 and A2 used. Also, a lubricant composition including such a mixture and at least one lubricating oil. Also, use of this composition to lubricate a mechanical part.