The present invention relates to a polymer composition comprising polyolefin based elastomer, a polyolefin and CaCO.sub.3. The present invention further relates to the use of said polymer composition. The present invention further relates to a process for the preparation of an article comprising said polymer composition. The present invention further relates to the use of said polymer composition.

The present invention relates to a polymer composition comprising polyolefin based elastomer, a polyolefin and CaCO.sub.3. The present invention further relates to the use of said polymer composition. The present invention further relates to a process for the preparation of an article comprising said polymer composition. The present invention further relates to the use of said polymer composition.

A thermoplastic and thermoset foam nucleation additive, which is added to a foamed material, includes a gas absorbent and a nano-compound, wherein the nano-compound and the gas absorbent are mixed to form the thermoplastic and thermoset foam nucleation additive. The gas absorbent includes a central structure and a short chain structure, wherein a first chemical bond is formed between the short chain structure and the central structure. The nano-compound includes a base structure and a long chain structure, wherein a second chemical bond is formed between the long chain structure and the base structure. A number of carbon atoms in the short chain structure is not less than 8, and a molecular weight of the long chain structure is higher than 10000 g/mole.

A thermoplastic and thermoset foam nucleation additive, which is added to a foamed material, includes a gas absorbent and a nano-compound, wherein the nano-compound and the gas absorbent are mixed to form the thermoplastic and thermoset foam nucleation additive. The gas absorbent includes a central structure and a short chain structure, wherein a first chemical bond is formed between the short chain structure and the central structure. The nano-compound includes a base structure and a long chain structure, wherein a second chemical bond is formed between the long chain structure and the base structure. A number of carbon atoms in the short chain structure is not less than 8, and a molecular weight of the long chain structure is higher than 10000 g/mole.

The present invention aims to provide a resin composition for molding that makes it possible to achieve excellent continuous productivity and to produce a molded article having high surface smoothness, capable of reducing defective molding, less likely to crack during use, and also having excellent shock resistance. The present invention also aims to provide a molded article including the resin composition for molding. Provided is a resin composition for molding, containing: a chlorinated polyvinyl chloride resin; and a melt additive, the resin composition containing three components including a A.sub.100 component, a B.sub.100 component, and a C.sub.100 component, and having a percentage of the C.sub.100 component [C.sub.100 component/(A.sub.100 component+B.sub.100 component+C.sub.100 component)] of 30% or less, the three components being identified by measuring the resin composition by a solid echo method using pulse NMR at 100° C. to give a free induction decay curve of .sup.1H spin-spin relaxation, and subjecting the free induction decay curve to waveform separation into three curves derived from the A.sub.100 component, the B.sub.100 component, and the C.sub.100 component in order of shorter relaxation time using the least square method.

The present invention aims to provide a resin composition for molding that makes it possible to achieve excellent continuous productivity and to produce a molded article having high surface smoothness, capable of reducing defective molding, less likely to crack during use, and also having excellent shock resistance. The present invention also aims to provide a molded article including the resin composition for molding. Provided is a resin composition for molding, containing: a chlorinated polyvinyl chloride resin; and a melt additive, the resin composition containing three components including a A.sub.100 component, a B.sub.100 component, and a C.sub.100 component, and having a percentage of the C.sub.100 component [C.sub.100 component/(A.sub.100 component+B.sub.100 component+C.sub.100 component)] of 30% or less, the three components being identified by measuring the resin composition by a solid echo method using pulse NMR at 100° C. to give a free induction decay curve of .sup.1H spin-spin relaxation, and subjecting the free induction decay curve to waveform separation into three curves derived from the A.sub.100 component, the B.sub.100 component, and the C.sub.100 component in order of shorter relaxation time using the least square method.

A composition comprising a C.sub.2-C.sub.12 polyalphaolefin and a functionalized propylene-based elastomer comprising from about 4 to about 25 wt % units derived from one or more C.sub.2 or C.sub.4-C.sub.12 alpha-olefins; a triad tacticity greater than about 90%; a heat of fusion less than about 75 J/g; and a plurality of oxygen containing functional groups selected from carboxylic acids, anhydrides, ketones, carbonates, esters, ethers, lactones, and combinations thereof. Compositions containing the functionalized propylene-based elastomer and methods to produce the same are also disclosed.

A composition comprising a C.sub.2-C.sub.12 polyalphaolefin and a functionalized propylene-based elastomer comprising from about 4 to about 25 wt % units derived from one or more C.sub.2 or C.sub.4-C.sub.12 alpha-olefins; a triad tacticity greater than about 90%; a heat of fusion less than about 75 J/g; and a plurality of oxygen containing functional groups selected from carboxylic acids, anhydrides, ketones, carbonates, esters, ethers, lactones, and combinations thereof. Compositions containing the functionalized propylene-based elastomer and methods to produce the same are also disclosed.

A composition comprising a C.sub.2-C.sub.12 polyalphaolefin and a functionalized propylene-based elastomer comprising from about 4 to about 25 wt % units derived from one or more C.sub.2 or C.sub.4-C.sub.12 alpha-olefins; a triad tacticity greater than about 90%; a heat of fusion less than about 75 J/g; and a plurality of oxygen containing functional groups selected from carboxylic acids, anhydrides, ketones, carbonates, esters, ethers, lactones, and combinations thereof. Compositions containing the functionalized propylene-based elastomer and methods to produce the same are also disclosed.

The present invention provides a resin composition for molding having excellent thermal meltability and capable of providing a molded article that is less likely to crack from a resin weld during use and has excellent surface gloss, and a molded article including the resin composition for molding. Provided is a resin composition for molding, containing: a chlorinated polyvinyl chloride resin; a polyvinyl chloride resin; and a melt additive, the resin composition having an area ratio of a peak B observed in a range of 0.6 to 1.0 ppm to a peak A observed in a range of 9.5 to 10 ppm (Area of peak B/Area of peak A) of 1 to 1,000 when a .sup.1H NMR spectrum is measured by solution NMR.