JPS6466263A - Resin composition for automobile exterior parts - Google Patents

Resin composition for automobile exterior parts

Info

Publication number
JPS6466263A
JPS6466263A JP22354887A JP22354887A JPS6466263A JP S6466263 A JPS6466263 A JP S6466263A JP 22354887 A JP22354887 A JP 22354887A JP 22354887 A JP22354887 A JP 22354887A JP S6466263 A JPS6466263 A JP S6466263A
Authority
JP
Japan
Prior art keywords
ethylene
propylene
mfr
density
exterior parts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP22354887A
Other languages
Japanese (ja)
Inventor
Takanobu Kawamura
Tamihiro Ohashi
Shinji Chiku
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JNC Corp
Original Assignee
Chisso Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chisso Corp filed Critical Chisso Corp
Priority to JP22354887A priority Critical patent/JPS6466263A/en
Publication of JPS6466263A publication Critical patent/JPS6466263A/en
Pending legal-status Critical Current

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Abstract

PURPOSE:To provide the titled composition outstanding in impact resistance, regidity etc., also high in whitening preventiveness for the flow marks of tiger- like pattern in coating pretreatment thereon, suitable for automobile exterior parts etc., comprising a specific high-rigidity propylene-ethylene block copolymer etc. CONSTITUTION:The objective composition can be obtained by incorporating a high-rigidity propylene-ethylene block copolymer containing 2-15wt.% of ethylene unit, satisfying the relationship: 1>=P>=0.015log MFR+0.955 (where P refers to isotactic pendent fraction in the propylene homopolymer domain, and MFR to melt flow rate of the whole polymer) with (A) 10-25(pref. 18-23)wt.% of a noncrystalline ethylene-propylene copolymer with a Mooney viscosity of <=50, (B) 1-10wt.% of a low-crystalline ethylene-butene copolymer with a density of <=0.91g/cm<3> and temperature at maximum endothermic peak ranging from 40-125 deg.C (C) 8-15wt.% of talc with an average particle size of <=3mu and (D) <=5wt.% of an ethylene polymer with a density of >=0.94g/cm<3>.
JP22354887A 1987-09-07 1987-09-07 Resin composition for automobile exterior parts Pending JPS6466263A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22354887A JPS6466263A (en) 1987-09-07 1987-09-07 Resin composition for automobile exterior parts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22354887A JPS6466263A (en) 1987-09-07 1987-09-07 Resin composition for automobile exterior parts

Publications (1)

Publication Number Publication Date
JPS6466263A true JPS6466263A (en) 1989-03-13

Family

ID=16799882

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22354887A Pending JPS6466263A (en) 1987-09-07 1987-09-07 Resin composition for automobile exterior parts

Country Status (1)

Country Link
JP (1) JPS6466263A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04120145A (en) * 1990-09-12 1992-04-21 Idemitsu Petrochem Co Ltd Resin composition for blow-molded bumper beam
JPH06100753A (en) * 1992-08-05 1994-04-12 Mitsui Petrochem Ind Ltd Propylene polymer composition
JPH0959480A (en) * 1995-08-22 1997-03-04 Chisso Corp Polyolefin resin composition
EP0774489A1 (en) 1995-11-17 1997-05-21 Japan Polychem Corporation Thermoplastic resin composition
US5914363A (en) * 1995-04-27 1999-06-22 Sumitomo Chemical Company, Limited Crystalline ethylene-propylene copolymer with ethylene copolymer(s) and/or alkenyl aromatic-grafted rubber

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04120145A (en) * 1990-09-12 1992-04-21 Idemitsu Petrochem Co Ltd Resin composition for blow-molded bumper beam
JPH06100753A (en) * 1992-08-05 1994-04-12 Mitsui Petrochem Ind Ltd Propylene polymer composition
US5914363A (en) * 1995-04-27 1999-06-22 Sumitomo Chemical Company, Limited Crystalline ethylene-propylene copolymer with ethylene copolymer(s) and/or alkenyl aromatic-grafted rubber
JPH0959480A (en) * 1995-08-22 1997-03-04 Chisso Corp Polyolefin resin composition
EP0774489A1 (en) 1995-11-17 1997-05-21 Japan Polychem Corporation Thermoplastic resin composition

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