Automotive material with excellent flow, high stiffness, excellent ductility and low clte

Automotive material with excellent flow, high stiffness, excellent ductility and low clte

  • CN 102,449,047 A
  • Filed: 05/28/2010
  • Published: 05/09/2012
  • Est. Priority Date: 06/09/2009
  • Status: Active Application
First Claim
Patent Images

1. the melt flow rate(MFR) MFR measured according to ISO 1133 2(230 ℃

  • ) compsn in 10 to 50g/10min scope, said compsn comprise out-phase Vestolen PP 7052 (H-PP1), out-phase Vestolen PP 7052 (H-PP2), plastomer (P) and mineral filler (F), wherein (a) said out-phase Vestolen PP 7052 (H-PP2) the melt flow rate(MFR) MFR measured according to ISO 1133 2(230 ℃

    ) are higher than said out-phase Vestolen PP 7052 (H-PP1) the melt flow rate(MFR) MFR measured according to ISO 1133 2(230 ℃

    ), (b) said out-phase Vestolen PP 7052 (H-PP1) the melt flow rate(MFR) MFR measured according to ISO 1133 2(230 ℃

    ) and comprise in 3.0 to 30.0g/10min scope (b1) matrix (M1), said matrix (M1) is the propylene homopolymer, and(b2) elastomer copolymer (E1), said elastomer copolymer (E1) comprises the unit that is derived from following thing-propylene, and-ethene and/or C4-C20 terminal olefin,(c) said out-phase Vestolen PP 7052 (H-PP2), and comprises in 7.0 to 20.0wt% scope according to measured YLENE cold cut property (XCS) content of ISO 6427(c1) matrix (M2), said matrix (M2) is the propylene homopolymer, and(c2) elastomer copolymer (E2), said elastomer copolymer (E2) comprises the unit that is derived from following thing-propylene, and-ethene and/or C4-C20 terminal olefin, and(d) said plastomer (P) is different from said elastomer copolymer (E1) and said elastomer copolymer (E2).

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