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1. WO2007142193 - POLYPROPYLENE RESIN COMPOSITION AND INJECTION MOLDED ITEM FOR AUTOMOBILE THEREFROM

Publication Number WO/2007/142193
Publication Date 13.12.2007
International Application No. PCT/JP2007/061296
International Filing Date 04.06.2007
Chapter 2 Demand Filed 28.11.2007
IPC
C08L 53/00 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
53Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
B29C 45/27 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
45Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
17Component parts, details or accessories; Auxiliary operations
26Moulds
27Sprue channels
B60R 13/02 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
13Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
02Trim mouldings; Ledges; Wall liners; Roof liners
B60R 19/03 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
19Wheel guards; Radiator guards; Obstruction removers; Fittings damping bouncing force in collisions
02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
03characterised by material, e.g. composite
C08K 3/00 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUSE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS
3Use of inorganic substances as compounding ingredients
C08L 23/12 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
23Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
02not modified by chemical after-treatment
10Homopolymers or copolymers of propene
12Polypropene
CPC
B60R 13/02
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
13Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
02Internal; Trim mouldings ; ; Internal; Ledges; Wall liners ; for passenger compartments; Roof liners
B60R 13/04
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
13Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
04External; Ornamental or guard strips; Ornamental inscriptive devices ; thereon
B60R 13/0869
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
13Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
08Insulating elements, e.g. for sound insulation
0869for protecting heat sensitive parts, e.g. electronic components
C08F 297/08
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
297Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
06using a catalyst of the coordination type
08polymerising mono-olefins
C08F 297/083
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
297Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
06using a catalyst of the coordination type
08polymerising mono-olefins
083the monomers being ethylene or propylene
C08K 3/346
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUse of inorganic or non-macromolecular organic substances as compounding ingredients
3Use of inorganic substances as compounding ingredients
34Silicon-containing compounds
346Clay
Applicants
  • 住友化学株式会社 SUMITOMO CHEMICAL COMPANY, LIMITED [JP]/[JP] (AllExceptUS)
  • トヨタ自動車株式会社 TOYOTA JIDOSHA KABUSHIKI KAISHA [JP]/[JP] (AllExceptUS)
  • 神崎 進 KANZAKI, Susumu [JP]/[JP] (UsOnly)
  • 稲浪 宏志 INANAMI, Hiroshi [JP]/[JP] (UsOnly)
  • 井上 薫 INOUE, Kaoru [JP]/[JP] (UsOnly)
Inventors
  • 神崎 進 KANZAKI, Susumu
  • 稲浪 宏志 INANAMI, Hiroshi
  • 井上 薫 INOUE, Kaoru
Agents
  • 浅村 皓 ASAMURA, Kiyoshi
Priority Data
2006-15568805.06.2006JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) POLYPROPYLENE RESIN COMPOSITION AND INJECTION MOLDED ITEM FOR AUTOMOBILE THEREFROM
(FR) COMPOSITION DE RÉSINE DE POLYPROPYLÈNE ET ARTICLE MOULÉ PAR INJECTION POUR L'AUTOMOBILE FABRIQUÉ À PARTIR DE CELLE-CI
(JA) ポリプロピレン系樹脂組成物およびそれからなる自動車用射出成形体
Abstract
(EN)
A polypropylene resin composition that excels in not only fluidity but also balance between rigidity and impact resistance, and that when processed into an injection molded item for automobile, provides an injection molded item for automobile excelling in weld appearance and flow mark appearance; and an injection molded item for automobile therefrom. There is provided a polypropylene resin composition comprising 50 to 65 wt.% of propylene-ethylene block copolymer (A-1) containing propylene-ethylene random copolymer moiety of 4.0 to 5.5 dl/g intrinsic viscosity and crystalline propylene homopolymer moiety; 1 to 10 wt.% of ethylene-α-olefin copolymer rubber of 0.05 to 1 g/10 min melt flow rate (B); 8 to 18 wt.% of ethylene-α-olefin copolymer rubber of 2 to 20 g/10 min melt flow rate (C); and 18 to 25 wt.% of inorganic filler (D), wherein the sum of the rubber (B) and the rubber (C) is in the range of 17 to 25 wt.%. Further, there is provided an injection molded item for automobile therefrom.
(FR)
Composition de résine de polypropylène laquelle est excellente non seulement en termes de fluidité mais également en termes d'équilibre entre la rigidité et la résistance aux chocs et laquelle, lorsqu'elle est transformée en un article moulé par injection pour l'automobile, produit un article moulé par injection pour l'automobile qui excelle en termes d'aspect au niveau des soudures et d'aspect au niveau des traces d'écoulement ; et article moulé par injection pour l'automobile fabriqué à partir de celle-ci. L'invention concerne une composition de résine de polypropylène comprenant 50 à 65 % en poids d'un copolymère en blocs de propylène-éthylène (A-1) contenant une entité copolymère statistique de propylène-éthylène ayant une viscosité intrinsèque de 4,0 à 5,5 dl/g et une entité homopolymère du propylène cristallin ; 1 à 10 % en poids d'un caoutchouc de copolymère d'éthylène-α-oléfine (B) ayant un indice de fluage à chaud de 0,05 à 1 g/10 min ; 8 à 18 % en poids d'un caoutchouc de copolymère d'éthylène-α-oléfine (C) ayant un indice de fluage à chaud de 2 à 20 g/10 min ; et 18 à 25 % en poids d'une charge inorganique (D), la somme du caoutchouc (B) et du caoutchouc (C) étant comprise dans la plage de 17 à 25 % en poids. En outre, l'invention concerne un article moulé par injection pour l'automobile fabriqué à partir de celle-ci.
(JA)
 流動性に優れ、剛性と耐衝撃性のバランスに優れ、自動車用射出成形体に成形した場合、ウエルド外観とフローマーク外観に優れた自動車用射出成形体を得ることができるポリプロピレン系樹脂組成物およびその自動車用射出成形体を提供する。 結晶性プロピレン単独重合体部分と極限粘度が4.0~5.5dl/gのプロピレン-エチレンランダム共重合体部分とを含有するプロピレン-エチレンブロック共重合体(A-1) 50~65重量%と、 メルトフローレートが0.05~1g/10分のエチレン-α-オレフィン共重合体ゴム(B) 1~10重量%と、 メルトフローレートが2~20g/10分のエチレン-α-オレフィン共重合体ゴム(C) 8~18重量%と、 無機充填剤(D)18~25重量%とを含有し、ゴム(B)とゴム(C)の合計が17~25重量%であるポリプロピレン系樹脂組成物および、その自動車用射出成形体。
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