The present invention relates to a chloroprene copolymer latex composition, a molded article of chloroprene copolymer rubber, or a dip-molded product, and the chloroprene copolymer latex composition includes a chloroprene copolymer (A) and a vulcanization accelerator (B). The chloroprene copolymer (A) includes monomer units derived from chloroprene and from 2-methyl-1,3-butadiene. The chloroprene copolymer latex composition includes a carbamate-based vulcanization accelerator and a thiazole-based vulcanization accelerator as the vulcanization accelerator (B). The chloroprene copolymer latex composition enables production of a molded article having high flexibility and high tensile strength without use of a vulcanization accelerator that is feared to have skin sensitization.

The present disclosure relates to a polyimide varnish composition for a flexible substrate and a polyimide film using the same, and a polyimide varnish composition for a flexible substrate according to the present disclosure may include an acid anhydride including 3,3′,4,4′-biphenyltetracarboxylic dianhydride (BPDA) and pyromellitic dianhydride (PMDA), and a diamine. The polyimide varnish composition according to the present disclosure has the advantage of being able to manufacture a polyimide film having heat resistance, high flexural properties, and high flexibility by increasing elongation while having a low coefficient of thermal expansion.

There is provided a polyurethane and/or polyacrylic coating and/or film that includes a polyurethane and/or polyacrylic layer; a biodegradation-inducing additive in the polyurethane and/or polyacrylic layer at a concentration of between 0.1 to 6% by weight. This polyurethane and/or polyacrylic coating and/or film is biodegradable.

A single layer solar rotational molded article prepared from a blend of (a) from 1 wt % to 99 wt % based on the weight of the blend, of at least one of a first composition and a second composition, each comprising a melt flow index of from 0.05 g/10 mins. to 20 g/10 mins. and (b) from 1 wt % to 99 wt % based on the weight of the blend, of a third composition comprising a melt index of 0.05 g/10 mins. to 20.0 g/10 mins. In an exemplary embodiment, the first composition is a powder resin, the second composition is a binder resin, and the third composition is a recycled material in the form of polyolefin containing waste. The blend can include an additive such as, for example, pigments and colorants, UV stabilizers, antioxidants, anti-static agents, flame retardants, textured material, the like, or any combination thereof.

The present invention relates to a method of preparing reduced graphene oxide, incorporation of the reduced graphene oxide into polyisoprene latex to provide a polyisoprene latex graphene composite and elastomeric articles prepared using the polyisoprene latex-graphene composite. In particular, the reduction of graphene oxide is accomplished without the use of strong reducing agents and organic solvents and incorporation of the reduced graphene oxide into polyisoprene latex is accomplished using room temperature latex mixing method or hot maturation. The resultant composite exhibits good colloid stability and polyisoprene latex films produced from the composite exhibit good mechanical properties with improved ageing resistance.

The invention relates to a carrier material for producing a carrier (12) for a decorated wall or floor panel (10), wherein the carrier material (14) comprises a matrix material having a plastic, a solid material and a fiber material, wherein the solid material is formed by an inorganic material in a proportion of at least 50 wt. %, in particular at least 80 wt. %, in particular at least 95 wt. % in relation to the solid material, wherein the matrix material is present in a quantity of ≥20 wt. % to ≤60 wt. %, in particular ≥28 wt. % to ≤48 wt. %, in particular ≥35 wt. % to ≤41 wt. % in relation to the carrier material, and wherein the solid material is present in a quantity of ≥25 wt. % to ≤65 wt. %, in particular ≥33 wt. % to ≤53 wt. %, in particular ≥40 wt. % to ≤46 wt. % in relation to the carrier material, and wherein the fiber material is present in a quantity of >1 wt. % to ≤35 wt. %, in particular ≥7 wt. % to ≤30 wt. %, approximately ≥14 wt. % to ≤21 wt. % in relation to the carrier material, and wherein the matrix material, the fiber material and the solid material together are present in a quantity of ≥89 wt. %, approximately ≥95 wt. %, in particular ≥97 wt. % in relation to the carrier material (20).

An object is to smoothly obtain, through coating of the surface of a metal roll, a polyvinyl alcohol-based resin film that contains a polyvinyl alcohol-based resin and can be used in a water sealing process, and/or to lower the adhesion force of such film on metal seal bar, etc., during heat sealing. As a solution, a polyvinyl alcohol-based resin film containing components A to C below is provided: A. a polyvinyl alcohol-based resin; B. a plasticizer; and C. one or more types selected from sodium polyoxyethylene alkyl ether acetate, disodium polyoxyethylene alkyl sulfosuccinate salt, N-alkyl-N-methyl-ß-alanine sodium salt, and sodium alkane-1,2-diol acetate salt.

Provided is: an organopolysiloxane cured film that is superior as a thin film and, in terms of flatness, has significantly superior smoothness and flatness at the film surface, in addition to generally having high dielectric breakdown strength against a load voltage; along with a usage and manufacturing method therefor. The organopolysiloxane cured film, in which an arithmetic average height (Sa) of the film surface is less than 0.50 μm, while an average thickness at the center of the film is within a range of 1 to 20 μm. It is possible to obtain such a film by a manufacturing method including a die coating step in which a slot die is used to coat a curable organopolysiloxane composition on a continuously traveling substrate supported between a pair of support rolls by means of a tension support system.

A dental article includes at least one segment defining a complex three-dimensional shape configured to follow contours of an oral anatomy, in which the at least one segment includes a core component including a majority of parylene.

Disclosed herein is a microneedle array comprising a substrate and a plurality of microneedles extending therefrom, wherein the microneedles comprise a biodegradable polymer and an effective amount of an analgesic or an anti-inflammatory therapeutic agent. Methods of using and making the microneedle array are also disclosed.