Abstract: An article in the form of a pipe, cable or geomembrane comprising polyethylene or polypropylene, and components A) and B), wherein component A) is a hindered amine light stabilizer containing a triazine residue, component B) is magnesium hydroxide which is present in an amount of 0.01% to 5% by weight relative to the weight of the polyethylene or polypropylene, and the weight ratio of component A) to component B) is 1:50 to 50:1, with the proviso that component B) is not a hydrotalcite.

Abstract: An object of the present disclosure is to provide a rubber composition from which a crosslinked rubber molded product having excellent resilience performance can be obtained. The present disclosure provides a rubber composition containing (a) a base rubber, (b) a co-crosslinking agent, and (c) a crosslinking initiator, wherein (b) the co-crosslinking agent includes (b1) a metal complex, and (b1) the metal complex is composed of (b11) a metal component, (b12) a ligand derived from an ?,?-unsaturated carboxylic acid compound having 3 to 8 carbon atoms, and (b13) a ligand derived from a mercaptobenzothiazole-based compound.

Abstract: A curable composition includes: a component (A) that is a polysiloxazane compound having a weight-average molecular weight of 3,000 to 10,000 and a number-average molecular weight of 2,000 to 8,000, and having a specific structure; and (B) a silicone compound having a hydrolysable silyl group or a hydroxy group. According to the present invention, a curable composition that can form a coating having excellent water repellency and sliding property, and that also has excellent coating stability in the initial working is provided.

Abstract: A method for depolymerizing polyolefins. The method includes a sulfonation step including contacting a polyolefin with a sulfonating agent in the absence of an organic solvent to provide a sulfonated polyolefin and a bond cleavage step including contacting a metal catalyst and an oxidant with the sulfonated polyolefin. A carbon-carbon bond of the sulfonated polyolefin is cleaved to provide a bioavailable carbon product wherein the bioavailable carbon product is a carbon source for microbial growth.

Abstract: [Problem to be solved] To provide a traceable vinyl acetate, a polymer containing the vinyl acetate, and a vinyl alcohol polymer which is a saponified product of the polymer. [Solution] Vinyl acetate having a ratio of carbon-14 to total carbon of 1.0×10?14 or more, a vinyl acetate polymer containing the vinyl acetate as a monomer unit and a vinyl alcohol polymer obtained by saponifying the vinyl acetate polymer.

Abstract: Disclosed is a method for preparing polymer polyol comprising the steps of: (a) polymerizing polyol and aromatic vinyl monomer in the presence of an organic diluting agent; (b) additionally inputting and polymerizing polyol, aromatic vinyl monomer and unsaturated nitrile monomer in the product of step (a); and (c) removing the organic diluting agent from the product of step (b), wherein the organic diluting agent is compatible with the polymer of the aromatic vinyl monomer.

Abstract: The present disclosure relates to a thermoplastic resin composition and a molded article manufactured using the same. The present disclosure has an effect of providing a thermoplastic resin composition having tensile strength and flexural modulus equal or superior to those of a conventional polyester composite material; having greatly improved impact strength, flexural strength, and heat deflection temperature under high load; and thus being suitable for lightweight automotive parts requiring high rigidity, and a molded article manufactured using the thermoplastic resin composition.

Abstract: Disclosed are polymeric compositions comprising polyhydroxyalkanoates. These compostions can comprise a blend comprising a polyhydroxyalkanoate (PHA) polymer, and a rubber polymer. The blend can comprise a biphasic mixture comprising a first phase comprising the PHA polymer, and a second phase comprising the rubber polymer dispersed with the first phase. The rubber polymer can be crosslinked, for example, through reaction with a free radical initiator. By incorporating the dynamically crosslinked rubber polymer, the polymer composition can exhibit one or more improved characteristics relative to PHA alone, including improved thermal stability, improved melt strength, improved flexibility, improved toughness, or a combination thereof. Also provided are articles formed at least in part from these polymeric compositions, as well as methods of making these polymeric compositions.

Abstract: An oil-resistant agent including a graft polymer obtained by graft modification of a bio-based material with a long-chain hydrocarbon group-containing non-fluorine polymer having a long-chain hydrocarbon group having 7 to 40 carbon atoms. Also disclosed is a fiber product including the graft polymer in the oil-resistant agent and a method for producing the oil-resistant agent.

Abstract: The present invention relates to a process for preparing hydroxy-functionalized polydiene, preferably polybutadiene or polyisoprene, by reacting monomer diene with hydrogen peroxide in the presence of a hydrophilic organic solvent, wherein the total amount of monomer diene used is added to the reaction in at least two parts, wherein the second part of the monomer diene is added to the reaction at a temperature of the reaction mixture that is at least +5 K different from the temperature of the reaction mixture at the addition of the first part of the monomer diene, to hydroxy-functionalized polybutadiene, having a dispersity index D below 2.7, a viscosity at 30° C. below 3200 mPa*s, an OH-number of from 50 to 90, a number average molecular weight Mn of from 1.6 to 2.5 kDa, and a weight number average molecular weight Mw of from 4.0 to 5.6 kDa.

Abstract: A vinyl alcohol polymer including, in the same molecule or in different molecules, a carbonyl group, a formyl group, and an alkenyl group. A method for producing a vinyl alcohol polymer, including polymerizing a vinyl ester in a presence of an unsaturated aliphatic aldehyde to obtain a vinyl ester polymer, and saponifying the vinyl ester polymer.

Abstract: A method for producing customized object is provided. A resin (e.g. plastic or cellulose) is heated and a quaternary salt is added. The resulting admixture is used in forming a material that embodies customized characteristics. In another embodiment, a halogen-containing polymer has a quaternary molecule covalently bonded to it that results in customized properties.

Abstract: The present application relates to microcarrier particles for cell culture, a method for preparing the particles, and a cell culture medium composition including the particles. According to the present application, a microcarrier having a high degree of uniformity in shape or form, having porosity, and advantageous for cell attachment and isolation of cultured cells is provided.

Abstract: The present invention provides plasticizers, compositions, and tires which can vary tire performance in response to temperature changes. The present invention relates to a plasticizer for resins and/or elastomers, containing a group that changes hydrophilicity with changes in temperature.

Abstract: A method for preparing ethylene-vinyl alcohol copolymer capable of obtaining ethylene-vinyl alcohol copolymer of high saponification degree, while minimizing the amount of alkali catalysts used is disclosed herein. The method comprises adding a first alkali catalyst solution dropwise to ethylene-vinyl acetate copolymer dispersed in an alcohol solvent, and adding a second alkali catalyst solution dropwise to the first saponification reaction mixture.

Abstract: The present invention relates to a polyethylene composition comprising a base resin which comprises (A) a first ethylene homo- or copolymer fraction, and (B) a second ethylene-hexene-1 copolymer fraction, wherein fraction (A) has a lower molecular weight than fraction (B) and wherein fraction (B) is present in an amount of from 51.0 to 58.5 wt. %, preferably 52.0 to 57.5 wt. %, more preferably 53.0 to 57.0 wt. % based on the total weight of the base resin, wherein fraction (B) of the base resin has a content of units derived from hexene-1 from 0.80 to 1.45 mol %, preferably of from 0.82 to 1.35 mol % and more preferably of from 0.85 to 1.30 mol %, wherein the base resin has a number average molecular weight Mn of 8,500 g/mol or higher, and wherein the polyethylene composition has a melt flow rate MFRs from 0.10 to 0.30 g/10 min, preferably from 0.15 to 0.28, and still more preferably from 0.16 to 0.

Abstract: The present invention relates to a film, preferably an unoriented film, comprising a polypropylene composition comprising a random copolymer of propylene monomer units and ethylene comonomer units, wherein the random copolymer has a content of ethylene comonomer units of from 0.5 to 4.0 wt %, based on the total weight amount of monomer units in the random copolymer, the polypropylene composition has a melt flow rate MFR2 of from 0.5 to 20.0 g/10 min, determined according to ISO 1133 at a temperature of 230° C. and a load of 2.16 kg, and the film has a tensile modulus in machine direction TM-MD in the range of from 450 to 850 MPa, when measured according to ISO 527-3 on a 50 ?m monolayer cast film, a process for producing such a film and the use of such a polypropylene composition for the production of a film with an improved balance of properties of tensile modulus and protrusion impact.

Abstract: The present application relates to microcarrier particles for cell culture, a method for preparing the particles, and a cell culture medium composition including the particles. According to the present application, a microcarrier having a high degree of uniformity in shape or form, having porosity, and advantageous for cell attachment and isolation of cultured cells is provided.

Abstract: There is provided the use of a nitro-substituted aromatic compound of formula (I), (II), (III), or (IV) and a copolymers comprising repeat units of formula (III) and/or (IV) as an electrode material as well as the use of such compound in the manufacture of an electrode. An electrode composite material and an electrode comprising this compound are also provided. When used in metal-ion batteries, preferably Li-ion batteries, the electrode of the invention has a combination of high operating voltage (e.g. >2.0 V) and high specific capacities (e.g. >300 mAh g?1). To the best of the inventors' knowledge, some of them have the highest specific capacity, along N with high voltage, among organic electrode materials reported to date for application in alkali-ion batteries. (I), (II), (III), (IV).

Abstract: The present invention relates to a polymer composition including a linear polymer including a stress visualization molecule positioned at a center portion of a chain and including a furan group; and a cross-linking agent that is an amine having two or more maleimide functional groups, and a cross-linkable polymer formed therefrom.