An ethylene-based polymer which is a copolymer obtained from ethylene and a C3 to C10.alpha.-olefin and satisfies the following requirements (i), (ii), (iii) and (iv) simultaneously provides a blow-molded product and an extrusion-molded product excellent in moldability, mechanical strength and outward appearance. (i) melt flow rate [MFR.sub.2 (g/10 min)] under a loading of 2.16 kg at 190.degree. C. is in the range of 0.01 to 10, (ii) melt tension [MT (g)] and the above melt flow rate [MFR.sub.2 ...

This invention discloses a process for manufacturing an elastomeric article by liquid injection molding, wherein the article has improved tensile strength and improved tear strength, said process comprising the steps of: (I) heating a curable composition comprised of (1) a liquid polymer comprised of repeat units that are derived from a conjugated diolefin monomer, wherein said liquid polymer has a weight average molecular weight which is within the range of 5,000 to 100,000, and wherein the liq...

The present invention provides a star polymer which comprises a central core and three or more branches bonded to the central core, and has a weight average molecular weight of from 1,000 to 100,000, wherein at least one of the branches containing at least one repeating unit selected from the group consisting of the following repeating units (1), (2), (3), (4) and (9); and a process for producing the star polymer. The present invention also provides a chemically amplified positive resist composi...

The invention relates to a polymer of ethylene which has a .mu..sub.o/.mu..sub.2 ratio of at least 13; and a high load melt index HLMI lower than 8 g /10 min, and a value of tan .delta. at .omega./.omega.c=0.01 of less than 1.3, where .delta. is G''/G', .omega. is the frequency at which G'' and G' are measured and we is the frequency at which G''=G', and G and G'' are respectively the elastic modulus and viscous modulus, both measured in Pa at 190.degree. C.; a process for making the polymer usi...

A polymer actuator comprising a conductive powder compact comprising a conductive polymer and a dopant, an ion donor, a work electrode, and a counter electrode, whereby it contracts or extends when voltage is applied between the work electrode and the counter electrode.

The present invention provides a polymer derived from a cellulosic, lignocellulosic, or polysaccharide material having superabsorbent properties. Methods for making the polymer and personal care absorbent products that incorporated the polymer are also provided.

Size-confined nanocomposite powders and methods for their manufacture are provided by coating fine powders with a nanoscale powder of a different composition. The nanocomposite plastics offer performance characteristics approaching those of metals and alloys. The nanocomposite powders are alternatively used for dispersion strengthening of metals, alloys, and ceramics. Materials based nanotechnology for energy devices and programmable drug delivery are included.

This invention discloses a process for manufacturing an elastomeric article by liquid injection molding, wherein the article has improved tensile strength and improved tear strength, said process comprising the steps of: (I) heating a curable composition comprised of (1) a liquid polymer comprised of repeat units that are derived from a conjugated diolefin monomer, wherein said liquid polymer has a weight average molecular weight which is within the range of 5,000 to 100,000, and wherein the liq...

A biodegradable polymer is disclosed having the composition g) from 8 to 80% by weight of a starch modified to include an hydroxyalkyl C.sub.2-6 group or modified by reaction with an anhydride of a dicarboxylic acid, preferably hydroxypropylated high amylose starch, a) from 0 to 87.9% of starch, b) from 4 to 11% by weight of a water soluble polymer selected from polyvinylacetate, polyvinyl alcohol and copolymers of ehtylene and vinylalcohol which have a melting point compatible with the molten s...

A biodegradable polymer is disclosed having the composition g) from 8 to 80% by weight of a starch modified to include an hydroxyalkyl C.sub.2-6 group or modified by reaction with an anhydride of a dicarboxylic acid, preferably hydroxypropylated high amylose starch, a) from 0 to 87.9% of starch, b) from 4 to 11% by weight of a water soluble polymer selected from polyvinylacetate, polyvinyl alcohol and copolymers of ethylene and vinylalcohol which have a melting point compatible with the molten s...