KR880001710A - 뛰어난 광학활성 및 레질리언스를 나타내는 이봉형 스타-블럭 공중합체 및 그의 제조방법 - Google Patents

뛰어난 광학활성 및 레질리언스를 나타내는 이봉형 스타-블럭 공중합체 및 그의 제조방법 Download PDF

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KR880001710A
KR880001710A KR1019870007769A KR870007769A KR880001710A KR 880001710 A KR880001710 A KR 880001710A KR 1019870007769 A KR1019870007769 A KR 1019870007769A KR 870007769 A KR870007769 A KR 870007769A KR 880001710 A KR880001710 A KR 880001710A
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block
block copolymer
star
copolymer
units
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KR1019870007769A
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가브리엘 렌디나
노시로베르토
안드레아 칼라이올리
프란세스코 코라도
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리케르카 에스비루포
몬테디페 에스.피.에이
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Publication of KR880001710A publication Critical patent/KR880001710A/ko

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F293/00—Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
    • C08G81/02—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C08G81/021—Block or graft polymers containing only sequences of polymers of C08C or C08F
    • C08G81/022—Block or graft polymers containing only sequences of polymers of C08C or C08F containing sequences of polymers of conjugated dienes and of polymers of alkenyl aromatic compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
    • C08F297/02—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type
    • C08F297/04—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
    • C08F297/044—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes using a coupling agent

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Graft Or Block Polymers (AREA)

Abstract

내용 없음

Description

뛰어난 광학활성 및 레질리언스를 나타내는 이봉형 스타-블럭 공중합체 및 그의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (11)

  1. 60 내지 90중량 %의 모노-비닐 방향족 단량체의 반복단위 및 40 내지 10중량 %의 공액디엔의 반복단위를 함유하는 하기 일반식(Ⅱ)의 이봉형 스타-블럭 공중합체.
    (S-S1-B/S2-B1)m-X-(B1-S2/B-S1)n(Ⅱ)
    상기식에서, X는 다관능성 커플링화제의 바디칼이고, m 및 n은 서로의 합이 3 내지 20범위이고, 라디칼 X의 관능도와 동일한 정수(m≤n)이며, S 및 S1은 방향족 비닐 단량체의 중합체블럭이고, B1은 공액디엔 단위의 엘라스토머 공중합체 블럭으로 공중합체중의 전체디엔 단위의 최대 20%를 이루며, B/S2및 S2/B는 모노-비닐 방향족 화합물과 공액디엔의 "램덤" 및/또는 "테이퍼"형 블럭이다.
  2. 제1항에 있어서, 엘라스토머 블럭(B1)이 공중합체중의 전체디엔 단위의 1 내지 10%를 이루는 이봉형 스타-블럭 공중합체.
  3. 제1항에 있어서, 스티렌블럭 S는 그 단위의 수가 S1블럭의 단위의 수보다 3∼7배 더 높고, S1+S2의 합이 공중합체중의 전체 스티렌단위의 50 내지 80%를 이루는 이봉형 스타-블럭 공중합체.
  4. 제1항에 있어서, B/S2및 S2/B 블럭이 0.8 내지 1.2범위의, 바람직하게는 1의 S2: B 중량비를 나타내는 이봉형 스타-블럭 공중합체.
  5. 제1항에 있어서, S의 분자량과 B/S2의 분자량간의 비율이 1 보다 더 큰 이봉형 스타-블럭 공중합체.
  6. 제5항에 있어서, S의 분자량과 B/S2의 분자량가의 비율이 1.2 내지 6, 바람직하게는 1.5 내지 3인 이봉형 스타-블럭 공중합체.
  7. 제1항에 있어서, 커플링화제가 폴리에폭시드, 에폭시화된 콩기름, 에폭시화된 아마인유, 폴리에스테르 폴리할라이드, 폴리이소시아네이트, 폴리이민, 폴리알데히드, 폴리케톤, 폴리안, 히드라이드, 폴리에시드할라이드 및 폴리비닐방향족 화합물로부터 선택되는 이봉형 스타-블럭 공중합체.
  8. 제1항에 있어서, 모노비닐 방향족 단량체가 스티렌인 이봉형 스타-블럭 공중합체.
  9. 제1항에 있어서, 공액디엔이 4 내지 8의 탄소원자를 가지며, 바람직하게는 1.3-부타디엔인 이봉형 스타-블럭 공중합체.
  10. 60 내지 90중량%의 모노비닐방향족 단량체의 반복단위 및 40 내지 10중량 %의 공액디엔의 반복단위를 함유하는 하기일반식(Ⅱ)의 이봉형 스타-블럭 공중합체를 제조함에 있어서, 다음의 연속되는 단계로 이루어짐을 특징으로 하는 이봉형 스타-블럭 공중합체의 제조방법.
    - 음이온적 방법으로 리튬-유기-금속촉매(개시제)의 존재하에 불활성 용매중에서 모노-비닐방향족 단량체의 총량의 20∼50중량 %를 중합시켜 사슬의 말단에 리튬이온을 지니는 활성의 직쇄중합체 블럭(S-Li)을 형성하고 ; - 더 많은 량의 개시제를 가하고 이어서 2차량의 모노비닐 방향족 단량체를 가하여 중합체 블럭 S-S1-Li 및 S1-Li을 형성하고 ; - 남은 모노-비닐방향족 단량체 전부 및 전체 디엔량의 80% 이상에 상응하는 양의 공액디엔을 함유한느 혼합물을 연속적으로 가하고 ; - 남은 공액디엔 전부를 가하고 생성된 혼합물을 전환이 종료될 때까지 중합반응시켜 제3단계에서 제조된 각각의 블럭상에 폴리디엔 블럭을 형성하고 ; - S-S1-B/S2-B1-Li 블럭과 S1-B/S2-B1-Li 블럭을 커플링시키는 다관능성 커플링화제를 가하여 일반식(Ⅱ)의 스타-블럭 공중합체를 수득한다.
    (S-S1-B/S2-B1)m-X-(B1-S2/B-S1)n(Ⅱ)
    상기식에서, X는 다관능성 커플링화제의 라디칼이고, m 및 n은 서로의 합이 3 내지 20범위이고, 라디칼 X의 관능도와 동일한 정수(m≤n)이며, S 및 S1은 방향족 비닐 단량체의 중합체 블럭이고, B1은 공액디엔 단위의 엘라스토더 공중합제 블럭으로 공중합체중의 전체 다엔단위의 최대 20%를 이루며, B/S2및 S2/B는 모노-비닐 방향족화합물과 공액디엔의 "랜덤" 및/또는 "테이퍼"형 블럭이다.
  11. 제10항에 있어서, 유기금속 촉매가 1차 및 2차 단계에서 단량체 1몰당 0.2 내지 20밀리몰 사이의 양인 리튬-알킬, 리튬 시클로알킬 또는 리튬-아릴 화합물인 이봉형 스타-블럭 공중합체의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870007769A 1986-07-17 1987-07-16 뛰어난 광학활성 및 레질리언스를 나타내는 이봉형 스타-블럭 공중합체 및 그의 제조방법 KR880001710A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT21165A/86 1986-07-17
IT21165/86A IT1196517B (it) 1986-07-17 1986-07-17 Copolimeri a blocco radiali e bimodali aventi ottime proprieta' ottiche e reistenza agli urti e processo per la loro preparazione

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US (1) US4925899A (ko)
EP (1) EP0255001A3 (ko)
JP (1) JPS6392629A (ko)
KR (1) KR880001710A (ko)
AU (1) AU601197B2 (ko)
BR (1) BR8703704A (ko)
CA (1) CA1290873C (ko)
DK (1) DK370487A (ko)
IT (1) IT1196517B (ko)
NO (1) NO168113C (ko)
ZA (1) ZA875101B (ko)

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JPS6392629A (ja) 1988-04-23
DK370487D0 (da) 1987-07-16
EP0255001A3 (en) 1990-05-16
ZA875101B (en) 1988-01-13
DK370487A (da) 1988-01-18
BR8703704A (pt) 1988-03-29
US4925899A (en) 1990-05-15
CA1290873C (en) 1991-10-15
NO872968D0 (no) 1987-07-16
IT1196517B (it) 1988-11-16
NO168113B (no) 1991-10-07
IT8621165A0 (it) 1986-07-17
NO872968L (no) 1988-01-18
EP0255001A2 (en) 1988-02-03
AU7565387A (en) 1988-01-21
NO168113C (no) 1992-01-15
AU601197B2 (en) 1990-09-06

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