A method for producing a resin syringe includes: a preparation step including: preparing a syringe body made of polyolefin, and preparing an ink comprising components including a volatile solvent that contains a dissolving component for dissolving the polyolefin, chlorinated polypropylene having a degree of chlorination in a range of 15 to 30%, a colorant, and a filler; an application step including applying the ink to at least a part of an outer surface of the syringe body, such that at least a part of the outer surface of the syringe body is dissolved by the dissolving component to form a plurality of recessed portions in the outer surface, each of the plurality of recessed portions is filled with at least one of the components of the ink; and a drying step including drying the applied ink to form a printing layer.

A production method comprising: (a) a step of melt-mixing a base resin containing a chlorinated polyethylene; an organic peroxide, an inorganic filler, and a silane coupling agent, in specific ratios, at a temperature equal to or higher than a decomposition temperature of the organic peroxide, to prepare a silane master batch; (b) a step of mixing the silane master batch obtained in the step (a) with a silanol condensation catalyst, and then forming the resultant mixture; and conducting at least one of the melt-mixing in the step (a) and the mixing in the step (b) is performed in the coexistence of a chloroprene rubber or a polyvinyl chloride; a heat-resistant chlorine-containing crosslinked resin formed body produced by the method, a silane master batch, a mixture and formed body thereof, and a heat-resistant product.

Provided is an anti-fingerprint coating compound including a top portion, a linker, and an end portion, in which the top portion includes two or three perfluoropolyether moieties, the linker linking the top portion to the end portion is a trivalent or tetravalent linking group, and the end portion includes a siloxane moiety.

A composite material and a foam prepared from the composite material are provided. The composite material includes a network polymer, a fluorine-containing polymer fiber, and a reinforcement fiber. The polymer network is a crosslinking reaction product of a polymer and an oligomer, wherein the polymer is polyamide, polyester, polyurethane, or a combination thereof, and the oligomer is a vinyl aromatic-co-acrylate oligomer with an epoxy functional group. The oligomer has a weight percentage of 1% to 10%, based on the weight of the network polymer. The ratio of the weight of the reinforcement fiber to the total weight of the network polymer and the fluorine-containing polymer fiber is from 1:9 to 4:6.

The present invention relates to improvements in a masterbatch which is a compounded concentrated mixture of colorants and/or additives to effect the properties, typically the color, of a target polymer. One aspect of the present invention comprises a polyvinyl chloride (PVC) masterbatch comprising a chlorinated polyolefin having a melt flow index (MFI) characteristic of between 1 and 30 having units of g/10 min at a temperature of 180° C. at a weight of 10 kg; an acrylic processing aid and/or acrylic impact modifier and/or acrylic moulding powder; and at least one dye, pigment and/or functional additive.

A highly fire-resistant expanded polymeric material for thermal insulation, acoustic insulation and/or fire barrier contains rubber, expandable graphite, at least one alkaline earth metal component selected from alkaline earth metal carbonates, alkaline earth metal hydroxides, hydrates of either, and combinations thereof, and a component containing silica or a silicate. The expanded polymeric material is preferably manufactured by a process including decomposition of a chemical blowing agent.

A composite material and a foam prepared from the composite material are provided. The composite material includes a network polymer, a fluorine-containing polymer fiber, and a reinforcement fiber. The polymer network is a crosslinking reaction product of a polymer and an oligomer, wherein the polymer is polyamide, polyester, polyurethane, or a combination thereof, and the oligomer is a vinyl aromatic-co-acrylate oligomer with an epoxy functional group. The oligomer has a weight percentage of 1% to 10%, based on the weight of the network polymer. The ratio of the weight of the reinforcement fiber to the total weight of the network polymer and the fluorine-containing polymer fiber is from 1:9 to 4:6.

A fluorocarbon resin composition is applicable to produce a prepreg for use in making a high-frequency circuit board, including a polytetrafluoroethylene resin; a fluorine-containing copolymer of poly fluoroalkoxy or fluorinated ethylene propylene; inorganic powders and an impregnation additive such as hydroxyethyl cellulose; resulted in that the prepreg is capable of increasing a plurality of times for proceeding impregnation-coating, the surface defects prone to occur on a fluorocarbon prepreg during drying, baking and sintering after impregnation are therefore improved at the same time.

A fluorocarbon resin composition is applicable to produce high-frequency circuit boards including a polytetrafluoroethylene resin; a fluorine-containing copolymer such as poly fluoroalkoxy and fluorinated ethylene propylene; low molecular-weight PTFE micro-powders and inorganic powders; in particular the temperature of pressing copper foil substrates is lowered from 350 C. to 250 C. via a lowering temperature rate of 1 to 4 C./min to improve the crystallinity of the fluorocarbon resin composition as well as improve the copper foil substrate with a high thermal conductivity and a wide range of dielectric constant.

The present disclosure is directed to a process for preparing foamed articles comprising at least one ethylene/-olefin interpolymer and use of the foamed articles in various applications, such as footwear applications. The ethylene/-olefin interpolymers of the present disclosure are multi-block copolymers comprising at least one soft block and at least one hard block.