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1. WO2022025177 - POLYPROPYLENE-BASED RESIN COMPOSITION, HYDROGENATED BLOCK COPOLYMER, MOLDED ARTICLE, AND INTERIOR-EXTERIOR DECORATIVE MATERIAL FOR AUTOMOBILES

Publication Number WO/2022/025177
Publication Date 03.02.2022
International Application No. PCT/JP2021/028090
International Filing Date 29.07.2021
IPC
C08F 297/04 2006.1
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
02using a catalyst of the anionic type
04polymerising vinyl aromatic monomers and conjugated dienes
C08L 23/08 2006.1
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
04Homopolymers or copolymers of ethene
08Copolymers of ethene
C08L 23/10 2006.1
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
C08L 53/02 2006.1
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
02of vinyl aromatic monomers and conjugated dienes
CPC
C08F 297/04
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
02using a catalyst of the anionic type
04polymerising vinyl aromatic monomers and conjugated dienes
C08L 23/08
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
04Homopolymers or copolymers of ethene
08Copolymers of ethene
C08L 23/10
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
C08L 53/02
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
02of vinyl-aromatic monomers and conjugated dienes
Applicants
  • 株式会社クラレ KURARAY CO., LTD. [JP]/[JP]
Inventors
  • 関口 卓宏 SEKIGUCHI, Takahiro
  • 千田 泰史 SENDA, Yasushi
Agents
  • 特許業務法人大谷特許事務所 OHTANI PATENT OFFICE
Priority Data
2020-12920530.07.2020JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) POLYPROPYLENE-BASED RESIN COMPOSITION, HYDROGENATED BLOCK COPOLYMER, MOLDED ARTICLE, AND INTERIOR-EXTERIOR DECORATIVE MATERIAL FOR AUTOMOBILES
(FR) COMPOSITION DE RÉSINE À BASE DE POLYPROPYLÈNE, COPOLYMÈRE SÉQUENCÉ HYDROGÉNÉ, ARTICLE MOULÉ, ET MATÉRIAU INTÉRIEUR ET EXTÉRIEUR POUR AUTOMOBILE
(JA) ポリプロピレン系樹脂組成物、水添ブロック共重合体、成型品、及び自動車用内外装材料
Abstract
(EN) Provided are: a polypropylene-based resin composition having excellent impact resistance, particularly impact resistance at a low temperature; a hydrogenated block copolymer contained in said polypropylene-based resin composition; a molded article including said polypropylene-based resin composition; and an interior-exterior decorative material which is for automobiles and which includes said molded article. A polypropylene-based resin composition comprising a polypropylene-based polymer (A), an ethylene-α-olefin copolymer rubber (B), a hydrogenated block copolymer (C), wherein the hydrogenated block copolymer (C) is a hydrogenated product of a block copolymer having at least one polymeric block (C-1) mainly formed of an aromatic vinyl compound unit and having at least one polymeric block (C-2) mainly formed of a butadiene (Bd) unit and an isoprene (Ip) unit, the contained amount of the aromatic vinyl compound unit in the hydrogenated block copolymer is less than 30 mass%, and the vinyl bound amount of the polymeric block (C-2) is 20% or less.
(FR) L'invention fournit une composition de résine à base de polypropylène excellente en termes de résistance aux collisions, tout particulièrement à basse température, un copolymère séquencé hydrogéné contenu dans cette composition de résine à base de polypropylène, un article moulé contenant ladite composition de résine à base de polypropylène, et un matériau intérieur et extérieur pour automobile contenant cet article moulé. Plus précisément, l'invention concerne une composition de résine à base de polypropylène qui contient un polymère à base de polypropylène (A), et un caoutchouc de copolymère éthylène-α-oléfine (B), et un copolymère séquencé hydrogéné (C). Ledit copolymère séquencé hydrogéné (C) consiste en un produit d'hydrogénation possédant au moins une séquence polymère (C-1) principalement constituée d'une unité de composé vinyle aromatique, et simultanément possédant au moins une séquence polymère (C-2) principalement constituée d'une unité butadiène (Bd) et d'une unité isoprène (Ip). La teneur en unité de composé vinyle aromatique dans ledit copolymère séquencé hydrogéné (C), est inférieure à 30% en masse, et la quantité de liaisons vinyle dans ladite séquence polymère (C-2) est inférieure ou égale à 20% en masse.
(JA) 耐衝撃性、特に低温での耐衝撃性に優れたポリプロピレン系樹脂組成物、該ポリプロピレン系樹脂組成物に含まれる水添ブロック共重合体、前記ポリプロピレン系樹脂組成物を含む成型品、及び該成型品を含む自動車用内外装材料を提供する。ポリプロピレン系重合体(A)と、エチレン-α-オレフィン共重合体ゴム(B)と、水添ブロック共重合体(C)と、を含むポリプロピレン系樹脂組成物であって、前記水添ブロック共重合体(C)は、芳香族ビニル化合物単位を主体とする重合体ブロック(C-1)を少なくとも1個有すると共に、ブタジエン(Bd)単位及びイソプレン(Ip)単位を主体とする重合体ブロック(C-2)を少なくとも1個有するブロック共重合体の水素添加物であり、前記水添ブロック共重合体における芳香族ビニル化合物単位の含有量が30質量%未満であり、前記重合体ブロック(C-2)のビニル結合量が20%以下である、ポリプロピレン系樹脂組成物。
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