KR0182607B1 - 황색도 지수가 작은 말레산 무수물 그래프트 공중합체 생성물 및 제조방법 - Google Patents
황색도 지수가 작은 말레산 무수물 그래프트 공중합체 생성물 및 제조방법 Download PDFInfo
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- KR0182607B1 KR0182607B1 KR1019900700732A KR900700732A KR0182607B1 KR 0182607 B1 KR0182607 B1 KR 0182607B1 KR 1019900700732 A KR1019900700732 A KR 1019900700732A KR 900700732 A KR900700732 A KR 900700732A KR 0182607 B1 KR0182607 B1 KR 0182607B1
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- maleic anhydride
- polymer
- extruder
- ethylene
- graft copolymer
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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
- C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
- C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
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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)
- Graft Or Block Polymers (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polyethers (AREA)
Abstract
Description
Claims (19)
- ASTM D-1925에 따라 측정한 황색도 지수가 10.0 미만이고 (a) 그래프트 공중합체의 0.50 내지 2.0 중량%가 말레산 무수물이며; (b) 주쇄 중합체는 폴리올레핀,에틸렌과 3내지 10의 탄소 원자를 가지는 α-올레핀의 선형 공중합체, 에틸렌과 일산화탄소와의 공중합체, 및 에틸렌과 에틸렌성 불포화 카복실산 또는 이들의 유도체의 공중합체로부터 선택되고; 그리고 (c)1.6mil의 두께를 가지며 25.0 내지 98.5 중량%의 폴리올레핀과 혼합된 조성물의 필름이 5 내지 15mil 사이 크기의 그레인을 1,000 in2당 약 3,000 미만의 수를 가지는 조성물이라는 것에 의해 특징지워지는 조성물임을 특징으로 하는, 말레산 무수물과 주쇄 중합체를 포함하는 그래프트 공중합체.
- 제1항에 있어서, 주쇄 중합체가 고밀도 폴리에틸렌, 저밀도 폴리에틸렌 및 에틸렌과 C3내지 C10올레핀과의 공중합체로 이루어진 그룹으로부터 선택되는 올레핀 중합체인 그래프트 공중합체 조성물.
- 제1항에 있어서, 주쇄 중합체가 폴리프로필렌 또는 폴리(4-메틸펜텐)인 그래프트 공중합체 조성물.
- 제1항에 있어서, 주쇄 중합체가 에틸렌과, 메타 크릴산, 에틸 아크릴레이트, 부틸 아크릴레이트, 메틸 메타크릴레이트, 메틸 아크릴레이트 및 비닐 아세테이트로 이루어진 그룹으로부터 선택된 한 성분과의 공중합체인 그래프트 공중합체 조성물.
- 제1항에 있어서, 주쇄 중합체가 에틸렌과 아크릴산 또는 일산화탄소와의, 공중합체인 그래프트 공중합체 조성물.
- 제1항에 있어서, 황색도 지수가 8.75 미만인 그래프트 공중합체 조성물.
- 제1항에 있어서, ASTM E-313-73에 따라 측정한 백색도 지수가 45.0 이상인 그래프트 공중합체 조성물.
- 제1항에 있어서, 폴리올레핀이 폴리에틸렌, 폴리프로필렌, 폴리(4-메틸펜텐), 에틸렌과 C3내지 C10α-올레핀과의 공중합체, 에틸렌과 C4내지 C8디올레핀과의 공중합체, 에틸렌과 에틸렌계 불포화 카복실산 또는 유도체와의 공중합체 및 에틸렌과 일산화탄소와의 공중합체로 이루어진 그룹으로부터 선택되는 필름.
- 제8항에 있어서, 폴리에틸렌이 저밀도 폴리에틸렌, 고밀도 폴리에틸렌 및 선형 저밀도 폴리에틸렌으로 이루어진 그룹으로부터 선택되는 필름.
- 제1항에 있어서, 직경이 5 내지 15mil인 배합물의 그레인(grain)수가 1.6mil필름에서 1,000in2당 3,000 그레인 미만인 필름.
- (a) 올레핀 중합체를 다축 스크류 압출기에 공급하고, (b)올레핀 중합체를 압출기 속에서 가열하고 전단하여 용융시키고, (c) 말레산 무수물 및 자유 라디칼 개시제의 혼합물을, 가압되고 용융 중합체로 충전된 다축 압출기의 구획으로 주입하고, (d) 압출기내의 용융 올레핀 중합체 및 말레산 무수물을 말레산 무수물의 적어도 일부가 용융 올레핀 중합체로 그래프트되기에 충분한 시간동안 혼합하는 단계를 포함하여, 말레산 무수물을 올레핀 중합체로 그래프트시키는 방법.
- 제11항에 있어서, 말레산 무수물과 자유 라디칼 개시제가 용매 시스템 속에서 혼합된 후 동시 회전하는 2축 스크류 압출기에 주입되는 방법.
- 제11항에 있어서, 압출기의 하나 이상의 감압영역에서 중합체를 탈장시키는 단계를 추가로 포함하는 방법.
- 제12항에 있어서, 말레산 무수물과 자유 라디칼 개시제가 케톤 속에서 혼합된 후 주입되는 방법.
- 제11항에 있어서, 중합체가 고밀도 폴리에틸렌 수지 또는 에틸렌/옥텐의 저밀도 공중합체인 방법.
- 제14항에 있어서, 케톤이 메틸 에틸 케톤 및 아세톤으로부터 선택되는 방법.
- 제11항에 있어서, 압출기가 포지티브 운반부재를 주로 포함하고, 중합체로 충전되어 가압된 압출기의 구획이 네가티브 운반부재 뒤에 있는 일련의 혼합형 부재를 포함하는 방법.
- 제11항에 있어서, 생성물이 제1항의 조성물인 방법.
- 제11항에 있어서, 다축 스크류 압출기가 포지티브 및 네가티브 운반부재 및 로브드 혼련/혼합판, 패들 또는 블록을 포함하는 방법.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US1988/002702 WO1990001504A1 (en) | 1988-08-09 | 1988-08-09 | Maleic anhydride graft copolymer products having low yellowness index and preparation |
Publications (2)
Publication Number | Publication Date |
---|---|
KR900701875A KR900701875A (ko) | 1990-12-04 |
KR0182607B1 true KR0182607B1 (ko) | 1999-05-15 |
Family
ID=22208830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900700732A Expired - Fee Related KR0182607B1 (ko) | 1988-08-09 | 1988-08-09 | 황색도 지수가 작은 말레산 무수물 그래프트 공중합체 생성물 및 제조방법 |
Country Status (7)
Country | Link |
---|---|
US (1) | US4762890A (ko) |
EP (1) | EP0428510B1 (ko) |
JP (1) | JP2666080B2 (ko) |
KR (1) | KR0182607B1 (ko) |
AU (1) | AU642848B2 (ko) |
DE (1) | DE3855900T2 (ko) |
WO (1) | WO1990001504A1 (ko) |
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-
1986
- 1986-09-05 US US06/905,099 patent/US4762890A/en not_active Expired - Lifetime
-
1988
- 1988-08-09 KR KR1019900700732A patent/KR0182607B1/ko not_active Expired - Fee Related
- 1988-08-09 JP JP63507410A patent/JP2666080B2/ja not_active Expired - Lifetime
- 1988-08-09 AU AU23882/88A patent/AU642848B2/en not_active Expired
- 1988-08-09 WO PCT/US1988/002702 patent/WO1990001504A1/en active IP Right Grant
- 1988-08-09 DE DE3855900T patent/DE3855900T2/de not_active Expired - Lifetime
- 1988-08-09 EP EP88908015A patent/EP0428510B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE3855900T2 (de) | 1997-09-11 |
US4762890A (en) | 1988-08-09 |
JPH04505165A (ja) | 1992-09-10 |
EP0428510B1 (en) | 1997-05-07 |
WO1990001504A1 (en) | 1990-02-22 |
JP2666080B2 (ja) | 1997-10-22 |
AU642848B2 (en) | 1993-11-04 |
EP0428510A1 (en) | 1991-05-29 |
EP0428510A4 (en) | 1991-09-25 |
DE3855900D1 (de) | 1997-06-12 |
AU2388288A (en) | 1990-03-05 |
KR900701875A (ko) | 1990-12-04 |
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