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1. 发明专利

GB2213156A Filler reinforced plastic composition 未知
公开(公告)号：GB2213156A
公开(公告)日：1989-08-09
申请号：GB8828520
申请日：1988-12-07
申请人： NISSAN MOTOR
发明人： IIZUKA AKIO , HARA MASAKI
IPC分类号： B60R19/03 , C08F297/08 , C08K3/34 , C08L23/08 , C08L23/14 , C08L23/16 , C08L53/00
摘要： A filler reinforced plastic composition, suitable for automotive trim parts such as bumper, facia and fender, comprises (a) 59 to 74% propylene-ethylene copolymer having a content soluble in boiled xylene of 5 to 12% which content soluble in boiled xylene contains ethylene in an amount ranging from 20 to 60%, and the copolymer containing 1 to 7 weight % ethylene and having an MFR of 15 to 50 g/10 min, (b) 20 to 35% ethylene-propylene copolymer rubber containing 20 to 60% propylene and having a Mooney viscosity ML1+4 (100 DEG C) of 100 to 150, and (c) 3 to 6% talc having a specific surface area not smaller than 30,000 cm /g and an average particle size of 0.5 to 2.0 mu m.

2. 发明专利

JPH01204946A THERMOPLASTIC RESIN COMPOSITION FOR AUTOMOTIVE BUMPER 失效
公开(公告)号：JPH01204946A
公开(公告)日：1989-08-17
申请号：JP2885788
申请日：1988-02-12
申请人： NISSAN MOTOR
发明人： IIZUKA AKIO , HARA MASAKI
IPC分类号： C08K3/34 , B60R19/03 , C08L53/00
摘要： PURPOSE:To improve dimensional stability and impact resistance, by compounding a specific propylene-ethylene block copolymer, an ethylene- propylene rubber, an ethylene-alpha-olefin copolymer and talc. CONSTITUTION:40-68% (wt.%, the same applies hereinbelow), propylene- ethylene block copolymer (A) contg. 5-20% boiling xylene-soluble component, wherein the ethylene content is 20-60% and having an ethylene content of 1-10% in the whole polymer and a melt flow rate of 15-120g/10min under a load of 2.16kg, 12-32% ethylene-propylene copolymer rubber (B) having a Mooney viscosity ML1+4 (10 deg.C) of 20-150, 10-30% copolymer (C) having a density of 0.89-0.92 obtd. by copolymerizing ethylene with a 3-12C alpha-olefin (e.g., butene-1) in the presence of a catalyst under a pressure of 2-60kg/cm at 40-200 deg.C and 5-15% talc (D) having a specific surface area of 30,000cm /g or larger and a mean particle diameter of 0.5-2.5mu are compounded to obtain the title compsn. having a melt flow rate of 10g/10min or larger, a bending elastic modulus of 6,000-9,000kg/cm , a high-speed face impact value at -30 deg.C of 8J or higher and a mold shrinkage factor of 9X10 or less.

3. 发明专利

JPS5252948A RUBBER COMPOSITIONS USEING IN HYDRAULIC APPARATUSES 失效
公开(公告)号：JPS5252948A
公开(公告)日：1977-04-28
申请号：JP12832975
申请日：1975-10-27
申请人： NISSAN MOTOR
发明人： SHIMIZU SETSUO , HARA MASAKI , HASHIKURA RIYOUICHI
IPC分类号： C08L7/00 , B60T7/00 , B60T17/04 , C08K3/00 , C08K5/04 , C08L9/06 , C08L21/00 , C08L23/00 , C08L101/00 , F16D65/18
摘要： PURPOSE:A durable rubber composition for use in hydraulic apparatuses suitable for hydraulic brake device of automobiles, etc. without requiring the imcorporation of antiozonant prepared by the use of a composition consisting of ethylene proplylene rubber in fixed amount, a natural rubber or synthetic rubber.

4. 发明专利

JPH01271450A AUTOMOBILE OUTSIDE SHEET MEMBER COMPRISING POLYOLEFIN RESIN COMPOSITION 失效
公开(公告)号：JPH01271450A
公开(公告)日：1989-10-30
申请号：JP10017988
申请日：1988-04-25
申请人： NISSAN MOTOR , MITSUBISHI PETROCHEMICAL CO
发明人： TAKAHASHI TOSHIO , HARA MASAKI , IIZUKA AKIO , NAKAMARU MASAFUMI
IPC分类号： C08L53/00 , C08K3/34
摘要： PURPOSE:To obtain an automobile outside sheet member which has excellent appearance, moldability and balance between rigidity and low-temperature impact strength by using a resin composition prepared by mixing a specified crystalline propylene/ethylene copolymer with an ethylene/propylene copolymer rubber and talc. CONSTITUTION:48-65wt.% propylene/ethylene block copolymer (xylene-soluble content of 5-10wt.% at room temperature, ethylene content of 3-12mol% and a melt flow rate of 10-40g/10min) is mixed with 14-28wt.% ethylene/propylene copolymer rubber (melt flow rate of 0.4-8.6g/10min) and 17-35wt.% talc (mean particle diameter of 0.2-2.5mum) to obtain a polyolefin resin composition for automobile outside sheet members. This resin composition shows a heat sag (thickness of 2mm, 140 deg.C and 1hr) cm/cm deg.C.

5. 发明专利

JPH01271451A RESIN COMPOSITION FOR AUTOMOBILE EXTERIOR FURNISHING 失效
公开(公告)号：JPH01271451A
公开(公告)日：1989-10-30
申请号：JP10017888
申请日：1988-04-25
申请人： NISSAN MOTOR , CHISSO CORP
发明人： HARA MASAKI , IIZUKA AKIO , TAKAHASHI TOSHIO , CHIKU SHINJI , OHASHI TAMIHIRO , KAWAMURA TAKANOBU
IPC分类号： C08L53/00 , C08K3/26 , C08K3/34
摘要： PURPOSE:To obtain a resin composition improved in high-temperature rigidity and paintability by mixing a heat-resistant high-rigidity propylene/ethylene block copolymer in which the streoregularity of the propylene homopolymer part is high with two amorphous EP copolymers and calcium carbonate particles and talc particles of specified particle diameters. CONSTITUTION:A resin composition for automobile exterior furnishings is prepared by mixing a high-rigidity propylene/ethylene block copolymer (A) (ethylene content of 2-15wt.%, 1.00>=P>=0.015 logMFR+0.955(wherein P is the isotactic pentad fraction of the propylene homopolymer part and MFR is its melt flow rate)] with 5-20wt.% amorphous ethylene/propylene copolymer (B) Mooney viscosity ML1+4 (100 deg.C)

6. 发明专利

JPH01149845A FILLER REINFORCED RESIN COMPOSITION 失效
公开(公告)号：JPH01149845A
公开(公告)日：1989-06-12
申请号：JP30771987
申请日：1987-12-07
申请人： NISSAN MOTOR
发明人： IIZUKA AKIO , HARA MASAKI
IPC分类号： B60R19/03 , C08F297/08 , C08K3/34 , C08L23/08 , C08L23/14 , C08L23/16 , C08L53/00
摘要： PURPOSE:To obtain a filler reinforced resin composition having excellent dimensional stability, appearance of molded article and a high balance of physical properties, by mixing a specific propylene-ethylene block copolymer, ethylene- propylene based copolymer rubber and talc. CONSTITUTION:A composition consisting of (A) 59-74wt.% propyleneethylene block copolymer which contains 5-12wt.% boiling xylene soluble matter having 20-60wt.% ethylene content and has 1-7wt.% ethylene content of the whole polymer and 15-50g/10min MFR, (B) 35-20wt.% ethylene-propylene copolymer rubber or ethylene-propylene-non-conjugated diene terpolymer rubber having 20-60wt.% propylene content, and 100-150 Mooney viscosity, and (C) 3-6wt.% talc which has >=30,000cm /g specific surface area and 0.5-2mu average particle diameter and preferably comprises >=95wt.% particles having

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