A thermoplastic elastomer composition and method of making the thermoplastic elastomer are disclosed. The thermoplastic elastomer may comprise a polymer blend. The polymer bland may comprise a non-crosslinked elastomer, oil, polyethylene, and anti-oxidant. The oil may be from about 15 wt. % to about 50 wt. % oil. The polyethylene may be from about 3 wt. % to about 30 wt. %. The anti-oxidant may be from about 0 to about 0.5 wt. %.

A thermoplastic elastomer composition and method of making the thermoplastic elastomer are disclosed. The thermoplastic elastomer may comprise a polymer blend. The polymer bland may comprise a non-crosslinked elastomer, oil, polyethylene, and anti-oxidant. The oil may be from about 15 wt. % to about 50 wt. % oil. The polyethylene may be from about 3 wt. % to about 30 wt. %. The anti-oxidant may be from about 0 to about 0.5 wt. %.

This disclosure provides a person support formed from an elastomeric composition. The elastomeric composition includes a polymer blend with the polymer blend consisting essentially of a first and second SEEPS copolymer. The first and second SEEPS copolymers are present in the polymer blend in an amount of from 75 to 95 percent by weight and 5 to 25 percent by weight, respectively, based on the total weight of the polymer blend. In addition, the sum of the first and second SEEPS copolymers in the polymer blend is 100 percent by weight. The first and second SEEPS copolymers have a weight average molecular weight of weight of at least 200,000 and 125,000 to 175,000, respectively. The disclosure also provides a patient support for supporting a patient with the patient support formed from the elastomeric composition.

This disclosure provides a person support formed from an elastomeric composition. The elastomeric composition includes a polymer blend with the polymer blend consisting essentially of a first and second SEEPS copolymer. The first and second SEEPS copolymers are present in the polymer blend in an amount of from 75 to 95 percent by weight and 5 to 25 percent by weight, respectively, based on the total weight of the polymer blend. In addition, the sum of the first and second SEEPS copolymers in the polymer blend is 100 percent by weight. The first and second SEEPS copolymers have a weight average molecular weight of weight of at least 200,000 and 125,000 to 175,000, respectively. The disclosure also provides a patient support for supporting a patient with the patient support formed from the elastomeric composition.

Described herein are cationic polymers having a plurality of quaternary amino groups, methods of making such polymers, and uses of such polymers as ion exchange membranes in electrochemical devices.

The present disclosure provides a thermoplastic resin composition having high rigidity and a low coefficient of linear thermal expansion and a molded article including the same. Specifically, the thermoplastic resin composition includes a polypropylene-based resin having an isotactic pentad fraction of 96% or more as measured by .sup.13C-NMR, a thermoplastic elastomer, an inorganic filler having an average particle diameter of 0.1 μm to 5 μm, and a compatibilizer, and has a flexural modulus of 2,500 MPa or more and a coefficient of linear thermal expansion of 60 μm/m.Math.° C. or less.

The present disclosure provides a thermoplastic resin composition having high rigidity and a low coefficient of linear thermal expansion and a molded article including the same. Specifically, the thermoplastic resin composition includes a polypropylene-based resin having an isotactic pentad fraction of 96% or more as measured by .sup.13C-NMR, a thermoplastic elastomer, an inorganic filler having an average particle diameter of 0.1 μm to 5 μm, and a compatibilizer, and has a flexural modulus of 2,500 MPa or more and a coefficient of linear thermal expansion of 60 μm/m.Math.° C. or less.

Included is a homogeneous sheet, which excludes polyvinylchloride. The sheet includes a polyurethane, a synthetic rubber blend, and a filler. The synthetic rubber blend may include a pre-mix of a synthetic rubber and white oil.

Included is a homogeneous sheet, which excludes polyvinylchloride. The sheet includes a polyurethane, a synthetic rubber blend, and a filler. The synthetic rubber blend may include a pre-mix of a synthetic rubber and white oil.

A polymer composition comprising a star-branched copolymer having a plurality of arms is disclosed. Each polymer arm has a molecular weight Mp of from 1 kg/mol to 50 kg/mol and comprises polymerized units (i) derived from a first vinyl aromatic monomer comprising a radical-reactive group, wherein from greater than 10 mol % to 100 mol % of the units (i) are unhydrogenated; and optionally, polymerized units (ii) comprising hydrogenated and unhydrogenated forms of polymerized units derived from a high Tg monomer, and hydrogenated form of polymerized units (i) or hydrogenated form of polymerized styrene units; and optionally, polymerized units (iii) comprising (a) hydrogenated form of polymerized units derived from one or more acyclic conjugated dienes, and (b) polymerized units derived from one or more of a second vinyl aromatic monomer; wherein less than 10 wt. % of units (a) are unhydrogenated.