초록 ▼

A deep drawing process, comprising melt-softening a resin sheet obtained from a resin composition comprising: (a) from 15 to 82% by weight of a propylene-series resin, (b) from 15 to 82% by weight of an ethylene-series resin, and (c) from 3 to 50% by weight of carbon black, each based on the total a

A deep drawing process, comprising melt-softening a resin sheet obtained from a resin composition comprising: (a) from 15 to 82% by weight of a propylene-series resin, (b) from 15 to 82% by weight of an ethylene-series resin, and (c) from 3 to 50% by weight of carbon black, each based on the total amount of the components (a), (b), and (c), and (d) from 1 to 50 parts by weight, per 100 parts by weight of the total amount of the components (a), (b), and (c), of an inorganic filler, at a temperature not lower than the melting point of the propylene-series resin and molding the softened resin sheet by differential pressure molding or press molding, wherein the resin sheet is molded at a draw ratio of from 2.0 to 3.5.

대표청구항 ▼

A resin sheet which is capable of being deep drawing-molded at a draw ratio of from 2.0 to 3.5, at a temperature of not lower than the melting point of a propylene-series resin, which is obtained from a resin composition comprising: (a) from 15-82% by weight of a propylene-series resin comprising a

A resin sheet which is capable of being deep drawing-molded at a draw ratio of from 2.0 to 3.5, at a temperature of not lower than the melting point of a propylene-series resin, which is obtained from a resin composition comprising: (a) from 15-82% by weight of a propylene-series resin comprising a propylene homopolymer or copolymer having a propylene content of at least 50% by weight, said propylene-series having a melt flow rate of from about 0.2-30 g/10 min.; (b) from 15-82% by weight of an ethylene-series resin comprising a high-density polyethylene having a density of at least 0.945 g/cm3, a linear polyethylene having a density of from 0.901 to 0.935 and a metal salt of an ethylene-methacrylic acid copolymer; (c) from 3-50% by weight of carbon black each percentage being based upon the total amount of components (a), (b) and (c); and (d) from 1-50 parts by weight, per 100 parts by weight of the total amount of components (a), (b) and (c) of an inorganic filler.