Abstract: A resin composition having a high blending proportion of an inorganic substance powder that can produce a stretched sheet having an excellent elongation property and high whiteness and opacity. A resin composition for producing a stretched sheet including: a first thermoplastic resin, a second thermoplastic resin different from the first thermoplastic resin, and an inorganic substance powder, in which a mass proportion of the first thermoplastic resin and the inorganic substance powder is 50:50 to 10:90, a content of the second thermoplastic resin is 1% by mass or more and 7% by mass or less relative to a total amount of the first thermoplastic resin and the inorganic substance powder, and the second thermoplastic resin is low stereoregular polypropylene.

Abstract: The present invention may provide a composition containing a biologically degradable resin from which a molded article having suppressed deterioration of the tensile strength and the elongation at the breaking point thereof can be obtained. The present invention may provide a resin composition including a biologically degradable resin, a heavy calcium carbonate, and acetyl tributyl citrate, in which a mass ratio of the biologically degradable rein to the heavy calcium carbonate is 10:90 to 70:30, the biologically degradable resin includes at least polybutylene adipate terephthalate or polybutylene succinate adipate, a content of the polybutylene adipate terephthalate or the polybutylene succinate adipate relative to the biologically degradable resin is 70% or more by mass, and a content of the acetyl tributyl citrate relative to the resin composition is 5.0% or more and 20.0% or less by mass.

Abstract: Provided is a sheet not generating feeding failure in a device having a heat setting process even when a large amount of an inorganic filler is included and a thermoplastic resin composition for forming the sheet. The thermoplastic resin composition may include at least a thermoplastic resin and an inorganic filler, in which the thermoplastic resin includes polypropylene having no long chain branch (B) and polypropylene having a long chain branching structure (A) in a mass ratio of 80:20 to 98:2.

Abstract: A resin composition having a hi ah blending proportion of an inorganic substance powder that can produce a stretched sheet having an excellent elongation property and high whiteness and opacity. A resin composition for producing a stretched sheet including: a first thermoplastic resin, a second thermoplastic resin different from the first thermoplastic resin, and an inorganic substance powder, in which a mass proportion of the first thermoplastic resin and the inorganic substance powder is 50:50 to 10:90, a content of the second thermoplastic resin is 1% by mass or more and 7% by mass or less relative to a total amount of the first thermoplastic resin and the inorganic substance powder, and the second thermoplastic resin is low stereoregular polypropylene.

Abstract: Provided is a biodegradable resin composition that exhibits excellent biodegradability even in a molded product having a large thickness, has excellent mechanical properties, and is economically advantageous, and a molded product using the same. The molded product is provided using an inorganic substance powder-containing biodegradable resin composition including: a biodegradable resin and an inorganic substance powder in a mass ratio of 10:90 to 70:30, in which the biodegradable resin is a cellulose acetate-based resin and the inorganic substance powder is heavy calcium carbonate.

Abstract: Provided are an inorganic substance powder-blended biodegradable resin composition exhibiting excellent processability, sufficient mechanical strength and excellent flexibility as a molded product, and having economic advantage, as well as having excellent degradability under a natural environment and a molded product formed by using the composition. Provided is a molded product molded by using an inorganic substance powder-containing biodegradable resin composition including: a biodegradable resin and an inorganic substance powder in a range by mass of 10:90 to 70:30, in which the biodegradable resin is a multicomponent hydroxyalkanoic acid copolymer comprising lactic acid and other hydroxyalkanoic acid and the inorganic substance powder is heavy calcium carbonate.

Abstract: The present invention may provide a composition containing a biologically degradable resin from which a molded article having suppressed deterioration of the tensile strength and the elongation at the breaking point thereof can be obtained. The present invention may provide a resin composition including a biologically degradable resin, a heavy calcium carbonate, and acetyl tributyl citrate, in which a mass ratio of the biologically degradable rein to the heavy calcium carbonate is 10:90 to 70:30, the biologically degradable resin includes at least polybutylene adipate terephthalate or polybutylene succinate adipate, a content of the polybutylene adipate terephthalate or the polybutylene succinate adipate relative to the biologically degradable resin is 70% or more by mass, and a content of the acetyl tributyl citrate relative to the resin composition is 5.0% or more and 20.0% or less by mass.

Abstract: Provided are a polymer material that contributes to environmental protection, has biodegradability, has excellent well-balanced mechanical properties, self-adhesion, and the like, is flexible, and has a reduced variation in the properties. The present invention provides a biodegradable rubber composition comprising natural rubber and an inorganic substance powder in a mass ratio of 45:55 to 10:90, and modified cellulose in an amount of 0.5 part by mass to 10.0 parts by mass relative to 100 parts by mass of the natural rubber.

Abstract: Provided is a molded product in which blocking is reduced without impairing printability. Provided is a resin composition including: a polyolefin-based resin and an inorganic substance powder in a mass ratio of 50:50 to 10:90, in which the inorganic substance powder comprises calcium carbonate, the calcium carbonate comprises a first calcium carbonate having an average particle diameter of 0.5 ?m or more and less than 2.0 ?m measured by an air permeation method in accordance with JIS M-8511 and a second calcium carbonate having an average particle diameter of 2.0 ?m or more and less than 9.0 ?m measured by the air permeation method in accordance with JIS M-8511, and a mass ratio of the first calcium carbonate and the second calcium carbonate is 90:10 to 98:2.

Abstract: Provided is a sheet not generating feeding failure in a device having a heat setting process even when a large amount of an inorganic filler is included and a thermoplastic resin composition for forming the sheet. The thermoplastic resin composition may include at least a thermoplastic resin and an inorganic filler, in which the thermoplastic resin includes polypropylene having no long chain branch (B) and polypropylene having a long chain branching structure (A) in a mass ratio of 80:20 to 98:2.