Sabic Global Technologies B.v.

Yang Fu

Ting Huang

Maria Soliman

Marc Herklots

Ji Zhou

Dake Shen

Hongtao Shi

Désirée Marie Louise Seegers

Kai Guo

Jonathan Khashayar Rabiei Tabriz

Dong Wan

Wesley Li

Yang Yang

Ralph Arthur Handstanger

Dries Beyens

Dzina Kleshchanok

The invention relates to a heterophasic propylene copolymer composition comprising a heterophasic propylene copolymer (A), optionally an ethylene-unit containing polymer (B) and an inorganic filler (C), wherein the heterophasic propylene copolymer (A) consists of a) a propylene-based matrix wherein the propylene-based matrix consists of a propylene homopolymer and/or a propylene copolymer consisting of at least 90 wt % of propylene units and at most 10 wt % of comonomer units selected from ethylene monomer units and α-olefin monomer units having 4 to 10 carbon atoms wherein the propylene-based matrix is present in an amount from 87.0 to 92.0 wt % based on the heterophasic propylene copolymer and b) a dispersed ethylene α-olefin copolymer, wherein the dispersed α-olefin copolymer is present in an amount from 8.0 to 13.0 wt % based on the heterophasic propylene copolymer and wherein the sum of the weight of the propylene-based matrix and the weight of the dispersed ethylene-α-olefin copolymer is 100 wt % based on the heterophasic propylene copolymer, wherein C) the inorganic filler is present in an amount of 0.10 to 4.9 wt % based on the composition wherein the melt flow index of the composition is in the range from 5.0 to 9.0 dg/min as determined according to ISO 1133:2011 at 230° C. and 2.16 kg and wherein the total amount of ethylene units in the composition are in the range from 5.7 to 10.0 wt % based on the composition.

Heterophasic propylene copolymer composition

The invention relates to composition comprising (A) a propylene-based polymer, (B1) a first elastomer of ethylene and &#x3b1;-olefin comonomer having 4 to 10 carbon atoms, (B2) a second elastomer of ethylene and &#x3b1;-olefin comonomer having 4 to 10 carbon atoms and (C) an inorganic filler, wherein (B1) the first elastomer has a density of 0.850 to 0.890 g/cm3 and a melt flow index of 5 to 50 dg/min measured in accordance with ASTM D1238 using a 2.16 kg weight and at a temperature of 190&#xb0; C., wherein (B2) the second elastomer has a density of 0.850 to 0.890 g/cm3 and a melt flow index of 0.55 to 4 dg/min measured in accordance with ASTM D1238 using a 2.16 kg weight and at a temperature of 190&#xb0; C., wherein the total amount of (B1) the first elastomer and (B2) the second elastomer is 2 to 30 wt % based on the total composition, wherein the amount of (C) the inorganic filler is 0.1 to 30 wt % based on the total composition.

Composition comprising heterophasic propylene copolymer

The invention relates to a composition comprising: (A) a propylene-based polymer which is a propylene homopolymer or a propylene copolymer consisting of at least 90 wt % of propylene monomer units and at most 10 wt % of ethylene monomer units and/or an &#x3b1;-olefin monomer units having 4 to 10 carbon atoms and (B) a copolymer of ethylene and &#x3b1;-olefin comonomer having 4 to 10 carbon atoms, wherein the elastomer has a density of 0.850 to 0.910 g/cmand a melt flow rate of 15 to 50 dg/min measured in accordance with IS01 133 using a 2.16 kg weight and at a temperature of 190&#xb0; C., wherein the amount of (A) the propylene-based polymer is 60 to 99 wt % and the amount of (B) the copolymer is 1 to 40 wt %, with respect to the total composition.

Polypropylene composition

The invention relates to a composition comprising (A) a propylene-based polymer, (B) an elastomer of ethylene and &#x3b1;-olefin comonomer having 4 to 10 carbon atoms and (C) an inorganic filler,

The invention relates to a composition comprising (A) a heterophasic propylene copolymer and (B) an elastomer of ethylene and &#x3b1;-olefin comonomer having 4 to 8 carbon atoms, wherein the heterophasic propylene copolymer consists of (a) a propylene-based matrix, wherein the propylene-based matrix consists of a propylene homopolymer and/or a propylene copolymer consisting of at least 70 wt % of propylene and at most 30 wt % of ethylene or an &#x3b1;-olefin having 4-10 carbon atoms, based on the total weight of the propylene-based matrix and wherein the propylene-based matrix is present in an amount of 60 to 95 wt % based on the total heterophasic propylene copolymer and wherein the propylene-based matrix has a melt flow index of at least 0.1 dg/min and at most 45 dg/min, measured according to ISO1133 (2.16 kg/230&#xb0; C.) and (b) a dispersed ethylene-&#x3b1;-olefin copolymer, wherein the dispersed ethylene-&#x3b1;-olefin copolymer is an ethylene-propylene copolymer, wherein the ethylene-&#x3b1; olefin copolymer is present in an amount of 40 to 5 wt % based on the total heterophasic propylene copolymer and wherein the sum of the total amount of propylene-based matrix and total amount of dispersed ethylene-&#x3b1;-olefin copolymer is 100 wt %, wherein the amount of ethylene in the ethylene-&#x3b1;-olefin copolymer of the heterophasic propylene copolymer is from 10 up to and including 45 wt % (RCC2) (B) an elastomer of ethylene and &#x3b1;-olefin comonomer having 4 to 8 carbon atoms wherein the elastomer has a density in the range from 0.88 up to and including 0.907 g/cm3.

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Geleen, Netherlands

Yang Fu