열가소성 엘라스토머 조성물 및 열가소성 엘라스토머 성형체

본 발명은, 하기 성분(A) 41∼70질량부, 성분(B) 0∼54질량부, 및 성분(C) 5∼59질량부(단, 성분(A), (B) 및 (C)의 함유량의 합계는 100질량부이다)를, 가교제의 존재하에서 동적으로 열처리하여 얻어지는 열가소성 엘라스토머 조성물이다. 성분(A): ISO1133에 준거하여 측정된 230℃, 하중 2.16kg에 있어서의 멜트 플로 레이트가 20g/10min 이상인, 프로필렌계 블록 공중합체. 성분(B): 에틸렌으로부터 유도되는 구조 단위와 탄소수 3∼20의 α-올레핀으로부터 유도되는 구조 단위와 비공액 폴리엔으로...

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Hauptverfasser: ISHIKAWA RYO, ABURAKI RYOSUKE, KUSUMOTO REMI
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creator ISHIKAWA RYO
ABURAKI RYOSUKE
KUSUMOTO REMI
description 본 발명은, 하기 성분(A) 41∼70질량부, 성분(B) 0∼54질량부, 및 성분(C) 5∼59질량부(단, 성분(A), (B) 및 (C)의 함유량의 합계는 100질량부이다)를, 가교제의 존재하에서 동적으로 열처리하여 얻어지는 열가소성 엘라스토머 조성물이다. 성분(A): ISO1133에 준거하여 측정된 230℃, 하중 2.16kg에 있어서의 멜트 플로 레이트가 20g/10min 이상인, 프로필렌계 블록 공중합체. 성분(B): 에틸렌으로부터 유도되는 구조 단위와 탄소수 3∼20의 α-올레핀으로부터 유도되는 구조 단위와 비공액 폴리엔으로부터 유도되는 구조 단위를 포함하는, 에틸렌·α-올레핀·비공액 폴리엔 공중합체. 성분(C): ISO1133에 준거하여 측정된 190℃, 하중 2.16kg에 있어서의 멜트 플로 레이트가 5g/10min 이하인, 에틸렌으로부터 유도되는 구조 단위와 탄소수 4∼20의 α-올레핀으로부터 유도되는 구조 단위를 포함하는, 에틸렌·α-올레핀 공중합체. 본 발명의 열가소성 엘라스토머 조성물은, 굽힘 탄성, 저온 내충격성 및 외관이 우수하고, 특히 비도장의 에어백 커버를 성형했을 때, 티어 라인의 광택을 억제할 수 있어, 양호한 외관을 실현할 수 있다. The present invention is a thermoplastic elastomer composition obtained by subjecting the following components: 41 to 70 parts by mass of component (A), 0 to 54 parts by mass of component (B), and 5 to 59 parts by mass of component (C) (provided that the total content of the components (A), (B), and (C) is 100 parts by mass) to dynamic heat treatment in the presence of a cross-linking agent. Component (A): a propylene block copolymer having a melt flow rate measured in accordance with ISO1133 at 230°C and a load of 2.16 kg of 20 g/10 min or more. Component (B): an ethylene/α-olefin/non-conjugated polyene copolymer including a structural unit derived from ethylene, a structural unit derived from an α-olefin having 3 to 20 carbon atoms, and a structural unit derived from a non-conjugated polyene. Component (C): an ethylene/α-olefin copolymer including a structural unit derived from ethylene and a structural unit derived from an α-olefin having 4 to 20 carbon atoms and having a melt flow rate measured in accordance with ISO 1133 at 190°C and a load of 2.16 kg of 5 g/10 min or less. The thermoplastic elastomer composition of the present invention has excellent bending elasticity, low-temperature impact resistance, and appearance, and in particular, it can suppress the luster of a tear line when molded into an unpainted airbag cover and can realize good appearance.
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The present invention is a thermoplastic elastomer composition obtained by subjecting the following components: 41 to 70 parts by mass of component (A), 0 to 54 parts by mass of component (B), and 5 to 59 parts by mass of component (C) (provided that the total content of the components (A), (B), and (C) is 100 parts by mass) to dynamic heat treatment in the presence of a cross-linking agent. Component (A): a propylene block copolymer having a melt flow rate measured in accordance with ISO1133 at 230°C and a load of 2.16 kg of 20 g/10 min or more. Component (B): an ethylene/α-olefin/non-conjugated polyene copolymer including a structural unit derived from ethylene, a structural unit derived from an α-olefin having 3 to 20 carbon atoms, and a structural unit derived from a non-conjugated polyene. Component (C): an ethylene/α-olefin copolymer including a structural unit derived from ethylene and a structural unit derived from an α-olefin having 4 to 20 carbon atoms and having a melt flow rate measured in accordance with ISO 1133 at 190°C and a load of 2.16 kg of 5 g/10 min or less. The thermoplastic elastomer composition of the present invention has excellent bending elasticity, low-temperature impact resistance, and appearance, and in particular, it can suppress the luster of a tear line when molded into an unpainted airbag cover and can realize good appearance.</description><language>kor</language><subject>CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><creationdate>2022</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20220113&amp;DB=EPODOC&amp;CC=KR&amp;NR=20220005528A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20220113&amp;DB=EPODOC&amp;CC=KR&amp;NR=20220005528A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ISHIKAWA RYO</creatorcontrib><creatorcontrib>ABURAKI RYOSUKE</creatorcontrib><creatorcontrib>KUSUMOTO REMI</creatorcontrib><title>열가소성 엘라스토머 조성물 및 열가소성 엘라스토머 성형체</title><description>본 발명은, 하기 성분(A) 41∼70질량부, 성분(B) 0∼54질량부, 및 성분(C) 5∼59질량부(단, 성분(A), (B) 및 (C)의 함유량의 합계는 100질량부이다)를, 가교제의 존재하에서 동적으로 열처리하여 얻어지는 열가소성 엘라스토머 조성물이다. 성분(A): ISO1133에 준거하여 측정된 230℃, 하중 2.16kg에 있어서의 멜트 플로 레이트가 20g/10min 이상인, 프로필렌계 블록 공중합체. 성분(B): 에틸렌으로부터 유도되는 구조 단위와 탄소수 3∼20의 α-올레핀으로부터 유도되는 구조 단위와 비공액 폴리엔으로부터 유도되는 구조 단위를 포함하는, 에틸렌·α-올레핀·비공액 폴리엔 공중합체. 성분(C): ISO1133에 준거하여 측정된 190℃, 하중 2.16kg에 있어서의 멜트 플로 레이트가 5g/10min 이하인, 에틸렌으로부터 유도되는 구조 단위와 탄소수 4∼20의 α-올레핀으로부터 유도되는 구조 단위를 포함하는, 에틸렌·α-올레핀 공중합체. 본 발명의 열가소성 엘라스토머 조성물은, 굽힘 탄성, 저온 내충격성 및 외관이 우수하고, 특히 비도장의 에어백 커버를 성형했을 때, 티어 라인의 광택을 억제할 수 있어, 양호한 외관을 실현할 수 있다. The present invention is a thermoplastic elastomer composition obtained by subjecting the following components: 41 to 70 parts by mass of component (A), 0 to 54 parts by mass of component (B), and 5 to 59 parts by mass of component (C) (provided that the total content of the components (A), (B), and (C) is 100 parts by mass) to dynamic heat treatment in the presence of a cross-linking agent. Component (A): a propylene block copolymer having a melt flow rate measured in accordance with ISO1133 at 230°C and a load of 2.16 kg of 20 g/10 min or more. Component (B): an ethylene/α-olefin/non-conjugated polyene copolymer including a structural unit derived from ethylene, a structural unit derived from an α-olefin having 3 to 20 carbon atoms, and a structural unit derived from a non-conjugated polyene. Component (C): an ethylene/α-olefin copolymer including a structural unit derived from ethylene and a structural unit derived from an α-olefin having 4 to 20 carbon atoms and having a melt flow rate measured in accordance with ISO 1133 at 190°C and a load of 2.16 kg of 5 g/10 min or less. The thermoplastic elastomer composition of the present invention has excellent bending elasticity, low-temperature impact resistance, and appearance, and in particular, it can suppress the luster of a tear line when molded into an unpainted airbag cover and can realize good appearance.</description><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</subject><subject>METALLURGY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZAh8M33Lqw0Nb9p63rRsVHgzfcbruXvedC1527bg9YodCm8WbgAKv16zR-H1hn4F_EpbNr6dMfXNpi08DKxpiTnFqbxQmptB2c01xNlDN7UgPz61uCAxOTUvtSTeO8jIwMjIwMDA1NTIwtGYOFUAUn1Qvg</recordid><startdate>20220113</startdate><enddate>20220113</enddate><creator>ISHIKAWA RYO</creator><creator>ABURAKI RYOSUKE</creator><creator>KUSUMOTO REMI</creator><scope>EVB</scope></search><sort><creationdate>20220113</creationdate><title>열가소성 엘라스토머 조성물 및 열가소성 엘라스토머 성형체</title><author>ISHIKAWA RYO ; ABURAKI RYOSUKE ; KUSUMOTO REMI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_KR20220005528A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>kor</language><creationdate>2022</creationdate><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>ISHIKAWA RYO</creatorcontrib><creatorcontrib>ABURAKI RYOSUKE</creatorcontrib><creatorcontrib>KUSUMOTO REMI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ISHIKAWA RYO</au><au>ABURAKI RYOSUKE</au><au>KUSUMOTO REMI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>열가소성 엘라스토머 조성물 및 열가소성 엘라스토머 성형체</title><date>2022-01-13</date><risdate>2022</risdate><abstract>본 발명은, 하기 성분(A) 41∼70질량부, 성분(B) 0∼54질량부, 및 성분(C) 5∼59질량부(단, 성분(A), (B) 및 (C)의 함유량의 합계는 100질량부이다)를, 가교제의 존재하에서 동적으로 열처리하여 얻어지는 열가소성 엘라스토머 조성물이다. 성분(A): ISO1133에 준거하여 측정된 230℃, 하중 2.16kg에 있어서의 멜트 플로 레이트가 20g/10min 이상인, 프로필렌계 블록 공중합체. 성분(B): 에틸렌으로부터 유도되는 구조 단위와 탄소수 3∼20의 α-올레핀으로부터 유도되는 구조 단위와 비공액 폴리엔으로부터 유도되는 구조 단위를 포함하는, 에틸렌·α-올레핀·비공액 폴리엔 공중합체. 성분(C): ISO1133에 준거하여 측정된 190℃, 하중 2.16kg에 있어서의 멜트 플로 레이트가 5g/10min 이하인, 에틸렌으로부터 유도되는 구조 단위와 탄소수 4∼20의 α-올레핀으로부터 유도되는 구조 단위를 포함하는, 에틸렌·α-올레핀 공중합체. 본 발명의 열가소성 엘라스토머 조성물은, 굽힘 탄성, 저온 내충격성 및 외관이 우수하고, 특히 비도장의 에어백 커버를 성형했을 때, 티어 라인의 광택을 억제할 수 있어, 양호한 외관을 실현할 수 있다. The present invention is a thermoplastic elastomer composition obtained by subjecting the following components: 41 to 70 parts by mass of component (A), 0 to 54 parts by mass of component (B), and 5 to 59 parts by mass of component (C) (provided that the total content of the components (A), (B), and (C) is 100 parts by mass) to dynamic heat treatment in the presence of a cross-linking agent. Component (A): a propylene block copolymer having a melt flow rate measured in accordance with ISO1133 at 230°C and a load of 2.16 kg of 20 g/10 min or more. Component (B): an ethylene/α-olefin/non-conjugated polyene copolymer including a structural unit derived from ethylene, a structural unit derived from an α-olefin having 3 to 20 carbon atoms, and a structural unit derived from a non-conjugated polyene. Component (C): an ethylene/α-olefin copolymer including a structural unit derived from ethylene and a structural unit derived from an α-olefin having 4 to 20 carbon atoms and having a melt flow rate measured in accordance with ISO 1133 at 190°C and a load of 2.16 kg of 5 g/10 min or less. The thermoplastic elastomer composition of the present invention has excellent bending elasticity, low-temperature impact resistance, and appearance, and in particular, it can suppress the luster of a tear line when molded into an unpainted airbag cover and can realize good appearance.</abstract><oa>free_for_read</oa></addata></record>
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
title 열가소성 엘라스토머 조성물 및 열가소성 엘라스토머 성형체
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