A heterophasic propylene ethylene copolymer composition having an MFR.sub.2 in the range from 1.0 to 55.0 g/10 min and a melting temperature in the range from 155 to 162° C., comprising: i) from 60 to 88 wt.-% of a xylene cold insoluble fraction (XCI) having an intrinsic viscosity iV(XCI) in the range from 1.40 to 2.50 dl/g, an isotactic pentad concentration [mmmm] of more than 97.0% and a content of 2,1-regiodefects in the range from 0.1 to 0.4 mol %, ii) from 12 to 40 wt.-% of a xylene cold soluble fraction (XCS) having an intrinsic viscosity iV(XCS) in the range from 1.80 to 3.20 dl/g and an ethylene content C2(XCS) in the range from 25 to 80 wt.-%, wherein the ratio of the intrinsic viscosities of the two fractions, iV(XCS)/iV(XCI), is in the range from 1.0 to 2.0.

A heterophasic propylene ethylene copolymer composition having an MFR.sub.2 in the range from 1.0 to 55.0 g/10 min and a melting temperature in the range from 155 to 162° C., comprising: i) from 60 to 88 wt.-% of a xylene cold insoluble fraction (XCI) having an intrinsic viscosity iV(XCI) in the range from 1.40 to 2.50 dl/g, an isotactic pentad concentration [mmmm] of more than 97.0% and a content of 2,1-regiodefects in the range from 0.1 to 0.4 mol %, ii) from 12 to 40 wt.-% of a xylene cold soluble fraction (XCS) having an intrinsic viscosity iV(XCS) in the range from 1.80 to 3.20 dl/g and an ethylene content C2(XCS) in the range from 25 to 80 wt.-%, wherein the ratio of the intrinsic viscosities of the two fractions, iV(XCS)/iV(XCI), is in the range from 1.0 to 2.0.

A heterophasic propylene ethylene copolymer composition having an MFR.sub.2 in the range from 1.0 to 55.0 g/10 min and a melting temperature in the range from 155 to 162° C., comprising: i) from 60 to 88 wt.-% of a xylene cold insoluble fraction (XCI) having an intrinsic viscosity iV(XCI) in the range from 1.40 to 2.50 dl/g, an isotactic pentad concentration [mmmm] of more than 97.0% and a content of 2,1-regiodefects in the range from 0.1 to 0.4 mol %, ii) from 12 to 40 wt.-% of a xylene cold soluble fraction (XCS) having an intrinsic viscosity iV(XCS) in the range from 1.80 to 3.20 dl/g and an ethylene content C2(XCS) in the range from 25 to 80 wt.-%, wherein the ratio of the intrinsic viscosities of the two fractions, iV(XCS)/iV(XCI), is in the range from 1.0 to 2.0.

Use of a polymer composition comprising a thermoplastic resin and a rubber, wherein said polymer composition does not comprise ethylene vinyl acetate, for manufacturing crates or pallets.

Use of a polymer composition comprising a thermoplastic resin and a rubber, wherein said polymer composition does not comprise ethylene vinyl acetate, for manufacturing crates or pallets.

A composition comprising the following components: A) an ethylene/α-olefin/non-conjugated diene interpolymer; B) a peroxide; C) at least one multi-vinyl cyclic siloxane selected from Structure 1 below: Structure 1, wherein n is an integer greater than, or equal to, 1; and each R1 is independently selected from the following: a (C.sub.2-C.sub.4) alkenyl, or a H.sub.2C═C(R.sup.1a)—C(═O)—O—(CH.sub.2).sub.m—, and wherein R.sup.1a is H or methyl, and m is an integer from 1 to 4; and each R2 is independently selected from the following: H, a (C.sub.1-C.sub.4) alkyl, a (C.sub.2-C.sub.4) alkenyl, a phenyl, or a H.sub.2C═C(R.sup.1b)—C(═O)—O—(CH.sub.2).sub.m—, wherein R.sup.1b is H or methyl, and m is an integer from 1 to 4. ##STR00001##

A composition comprising the following components: A) an ethylene/α-olefin/non-conjugated diene interpolymer; B) a peroxide; C) at least one multi-vinyl cyclic siloxane selected from Structure 1 below: Structure 1, wherein n is an integer greater than, or equal to, 1; and each R1 is independently selected from the following: a (C.sub.2-C.sub.4) alkenyl, or a H.sub.2C═C(R.sup.1a)—C(═O)—O—(CH.sub.2).sub.m—, and wherein R.sup.1a is H or methyl, and m is an integer from 1 to 4; and each R2 is independently selected from the following: H, a (C.sub.1-C.sub.4) alkyl, a (C.sub.2-C.sub.4) alkenyl, a phenyl, or a H.sub.2C═C(R.sup.1b)—C(═O)—O—(CH.sub.2).sub.m—, wherein R.sup.1b is H or methyl, and m is an integer from 1 to 4. ##STR00001##

A composition comprising the following components: A) an ethylene/α-olefin/non-conjugated diene interpolymer; B) a peroxide; C) at least one multi-vinyl cyclic siloxane selected from Structure 1 below: Structure 1, wherein n is an integer greater than, or equal to, 1; and each R1 is independently selected from the following: a (C.sub.2-C.sub.4) alkenyl, or a H.sub.2C═C(R.sup.1a)—C(═O)—O—(CH.sub.2).sub.m—, and wherein R.sup.1a is H or methyl, and m is an integer from 1 to 4; and each R2 is independently selected from the following: H, a (C.sub.1-C.sub.4) alkyl, a (C.sub.2-C.sub.4) alkenyl, a phenyl, or a H.sub.2C═C(R.sup.1b)—C(═O)—O—(CH.sub.2).sub.m—, wherein R.sup.1b is H or methyl, and m is an integer from 1 to 4. ##STR00001##

The present invention relates to heterophasic polypropylene compositions comprising a propylene homo- or copolymer forming a crystalline fraction as a matrix and an amorphous propylene ethylene elastomer as a soluble fraction dispersed in said matrix. The heterophasic polypropylene compositions further comprise an elastomeric ethylene/alpha-olefin random copolymer. The heterophasic polypropylene compositions have a well-balanced relation between stiffness and impact strength, low volatile and semi-volatile emissions and good processability.

The present invention relates to heterophasic polypropylene compositions comprising a propylene homo- or copolymer forming a crystalline fraction as a matrix and an amorphous propylene ethylene elastomer as a soluble fraction dispersed in said matrix. The heterophasic polypropylene compositions further comprise an elastomeric ethylene/alpha-olefin random copolymer. The heterophasic polypropylene compositions have a well-balanced relation between stiffness and impact strength, low volatile and semi-volatile emissions and good processability.