Abstract: Provided are: a clarifying agent composition in a powder form which has excellent fluidity; and a polyolefin-based resin composition capable of yielding a molded article having excellent clarity. The clarifying agent composition is obtained by heating a mixture in a range of 80 to 180° C., the mixture comprising: not less than 85% by mass of a benzylidene sorbitol compound represented by the following Formula (1): (wherein, R represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; and R1, R2, R3 and R4 each independently represent a hydrogen atom, a halogen atom, a cyano group or an alkyl group having 1 to 4 carbon atoms); 5 to 10% by mass of tetrakis[3(3,5-di-tert-butyl-4-hydroxyphenyl)propionyloxymethyl]methane; and 6 to 9% by mass of a lubricant.

Abstract: Provided are: a clarifying agent composition in a powder form which has excellent fluidity; and a polyolefin-based resin composition capable of yielding a molded article having excellent clarity. The clarifying agent composition is obtained by heating a mixture in a range of 80 to 180° C., the mixture comprising: not less than 85% by mass of a benzylidene sorbitol compound represented by the following Formula (1): (wherein, R represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; and R1, R2, R3 and R4 each independently represent a hydrogen atom, a halogen atom, a cyano group or an alkyl group having 1 to 4 carbon atoms); 5 to 10% by mass of tetrakis[3(3,5-di-tert-butyl-4-hydroxyphenyl)propionyloxymethyl]methane; and 6 to 9% by mass of a lubricant.

Abstract: Provided is a resin composition containing an aluminum pigment capable of exhibiting excellent weather-resisting property in case of having been incorporated with an aluminum pigment. A resin composition containing an aluminum pigment which comprises 100 parts by weight of a polyolefin type resin incorporated with 0.5-10 parts by weight of an aluminum pigment, the aforesaid metallic composition having further been incorporated with 0.001-10 parts by weight of a hindered amine compound of the following general formula: wherein R1 stands for hydrogen atom, hydroxy group, alkyl group, hydroxyalkyl group, alkoxy group, hydroxyalkoxy group, or an oxy radical, R2 stands for alkyl group or alkenyl group, and 0.001-10 parts by weight of a benzoate type compound of the following general formula: wherein R3 and R4 each independently stands for hydrogen atom, alkyl group, or arylalkyl group, and R5 stands for alkyl group.

Abstract: A resin additive composition that includes a resin additive having a melting point of 100° C. or less and thereby is improved in handleability and is highly held in a resin is provided. The resin additive composition is prepared by impregnating a powdery inorganic material (B) having an oil absorption of 150 mL/100 g or more and preferably 200 mL/100 g or more with a resin additive (A) having a melting point of 100° C. or less in advance. Examples of the resin additive (A) include an antioxidant, an ultraviolet absorber, a light stabilizer, and mixtures thereof. Examples of the powdery inorganic material (B) include silica, aluminium silicate, hydrotalcite, calcium silicate, magnesium aluminometasilicate, and mixtures thereof.

Abstract: An automobile interior or exterior trim material which is formed of a thermoplastic elastomer composition containing 100 parts by weight of a thermoplastic elastomer and 0.001-10 parts by weight of an alkyl benzoate compound of the following formula (I): wherein each of R1 and R2 is a hydrogen atom, a C1-C8 alkyl or cycloalky; grout, or a C6-C12 aryl, alkylaryl, or arylalkyl group; and R3 is a C1-C30 alkyl group. The interior or exterior trim material of the invention has improved weather resistance and resistance to weather-induced coloring.

Abstract: A polylactic acid-based resin composition is provided from which molded articles with a high heat resistance and high impact strength can be molded with improved moldability. Also provided is a heat-resistant polylactic acid-based resin molded article manufactured from the polylactic acid-based resin composition, as well as a process for manufacturing such a heat-resistant molded article. A polylactic acid-based resin composition comprising 0.01 to 5.0 parts by weight of a metal phosphate and 0.01 to 5.0 parts by weight of a basic inorganic aluminum compound, each serving as a nucleating agent, with respect to 100 parts by weight of a polylactic acid-based polymer. The polylactic acid-based resin composition is melted and filled a mold of a molding machine set in a temperature range of not more than the crystallization-initiating point nor less than the glass transition point, as measured by a differential scanning calorimeter (DSC), to be molded the composition under crystallizing.

Abstract: The present invention provides a multi-component granular additive for polyolefins which has a strength and a function which enable the additive to be dust-free and be of components-in-granule type. It comprises 10 parts by mass of a nucleating agent comprising an alkali metal salt or hydroxyaluminum salt of an aromatic monocarboxlylic acid or comprising an alkali metal salt or hydroxyaluminum salt of an acid aromatic phosphoric ester compound, 1 to 50 parts by mass of a phenolic antioxidant, 5 to 50 parts by mass of polyproylene, and 0 to 500 parts by mass of one or more optional additive components other than the nucleating agent and the phenolic antioxidant.

Abstract: The present invention provides a multi-component granular additive for polyolefins which has a strength and a function which enable the additive to be dust-free and be of components-in-granule type. It comprises 10 parts by mass of a nucleating agent comprising an alkali metal salt or hydroxyaluminum salt of an aromatic monocarboxlylic acid or comprising an alkali metal salt or hydroxyaluminum salt of an acid aromatic phosphoric ester compound, 1 to 50 parts by mass of a phenolic antioxidant, 5 to 50 parts by mass of polyproylene, and 0 to 500 parts by mass of one or more optional additive components other than the nucleating agent and the phenolic antioxidant.

Abstract: A resin composition for agricultural film, which composition contains 100 parts by mass of a synthetic resin (A) and the below-specified amount of a polymer stabilizer (B). Polymer stabilizer (B): an adduct obtained by adding a compound (b1) represented by the following formula (I) to a polymer (b2) having a molecular weight of at least 300: (wherein n represents an integer of 1-4; X represents —O— or —NH—; and R represents a hydrogen atom, a C1-C20 aliphatic acyl group, a C1-C20 aliphatic polyacyl group, a C1-C20 aromatic acyl group, or a C1-C20 aromatic polyacyl group). Amount of polymer stabilizer (B): such an amount that makes the amount of nitrogen atoms contained in the polymer stabilizer (B) 0.0005-1 part by mass.

Abstract: A polycarbonate resin composition improved in heat resistance by the addition of an organic cyclic phosphite represented by the general formula: ##STR1## wherein R.sub.1 represents an alkyl group having 1 to 9 carbon atoms; R.sub.2 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; and R.sub.3 represents an alkyl group having 1 to 30 carbon atoms.

Abstract: A polymer composition comprises a polymer blend comprising a polyester and a polycarbonate or another polymer blend comprising alpha-methylstyrene-modified ABS resin and at least one polymer selected from a polycarbonate, a saturated polyester, polyphenylene ether, a polyamide and a polyacetal and an organic phosphite compound having the formula (I): ##STR1## in which R is an alkyl having 1 to 9 carbon atoms.

Abstract: A polyolefin composition comprises 100 parts by weight of a polyolefine which has been produced with use of a Ziegler catalyst and has a part or residue of the catalyst left therein, 0.005 to 1 part by weight of a phenol compound having the formula (I) and 0.005 to 1 part by weight of an organic phosphite compound having the formula (II). ##STR1## in which R is a residue group of an alcohol being monohydric, dihydric, trihydric or terahydric, R1 is methyl or tert.-butyl, R2 is an alkyl, --CH2CH2COOR3 or --COOR3, R3 being an alkyl, an aryl or an alkylaryl, and n is a number of 1 to 4.