KR880012656A - Resin treatment method in purge container - Google Patents

Resin treatment method in purge container Download PDF

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Publication number
KR880012656A
KR880012656A KR1019880004748A KR880004748A KR880012656A KR 880012656 A KR880012656 A KR 880012656A KR 1019880004748 A KR1019880004748 A KR 1019880004748A KR 880004748 A KR880004748 A KR 880004748A KR 880012656 A KR880012656 A KR 880012656A
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South Korea
Prior art keywords
gas
purge
olefin polymer
zone
purge gas
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KR1019880004748A
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Korean (ko)
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KR930004758B1 (en
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벅 브로드 윌리엄
잭 가너 빌리
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티모시 엔. 비숍
유니온 카바이드 코포레이션
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Priority claimed from US07/043,597 external-priority patent/US4758654A/en
Application filed by 티모시 엔. 비숍, 유니온 카바이드 코포레이션 filed Critical 티모시 엔. 비숍
Publication of KR880012656A publication Critical patent/KR880012656A/en
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Publication of KR930004758B1 publication Critical patent/KR930004758B1/en

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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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/001—Removal of residual monomers by physical means
    • C08F6/005—Removal of residual monomers by physical means from solid polymers
    • 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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/02—Neutralisation of the polymerisation mass, e.g. killing the catalyst also removal of catalyst residues

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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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

내용 없음No content

Description

퍼어지 용기 내에서의 수지 처리방법Resin treatment method in purge container

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제 1도는 퍼어지 용기를 이용한 본 발명방법의 대표적 공정도.1 is a representative process diagram of the method of the present invention using a purge vessel.

Claims (11)

운반 기체를 함유하는 제 1불활성 기체 스트림(steram)중의 고체 올레핀 중합체를 상부대(upper zone),하부대(lower zone) 및 상부대를 하부대에 연결하는 중간대(intermediate zone)가 있는 퍼어지 용기(여기에서, 상부대의 직경은 하부대의 직경의 약 1.5 내지 3.0배이다)로 운반하고: 이 중합체를 상부대중에서 퍼어지(purge) 기체와 역류 접촉시켜 제 2기체 스트림을 생성시키고: 퍼어지 기체, 운반 기체 및 기체 단량체를 함유하는 제 2기체 스트림을 상부대로부터 배출시키고: 촉매를 함유하는 고체 올레핀 중합체를 상부대로부터 중간대를 통해 하부대로 진행시키고: 물을 함유하는 제 2퍼어지 기체를 고체 올레핀 중합체와 역류 접촉시키면서 하부대로 공급하고(여기에서, 물은 고체 올레핀 중합체 중에 존재하는 지글러 나타(Ziegler Natta)촉매 및 유기금속 촉매를 탈활성화 시키는데 충분한 양으로 제 2퍼어지 기체 중에 존재한다): 제 2퍼어지 기체를 중간대 바로 아래의 하부대로부터 배출시키고: 하부대로부터 고체 올레핀 중합체를 배출시킴을 특징으로 하여, 고체 올레핀 중합체 중에 존재하는 지글러-나타 촉매 및 유기금속 촉매 잔류물을 탈활성화시키면서, 단일 퍼어지 용기 중에서 고체 올레핀 중합체로부터 비중합 기상 단량체를 제거하는 방법.A purge vessel with an intermediate zone connecting the upper zone, the lower zone and the upper zone to the lower zone of the solid olefin polymer in the first inert gas stream containing the carrier gas. (Where the diameter of the upper stage is about 1.5 to 3.0 times the diameter of the lower stage) and the polymer is countercurrently contacted with a purge gas in the upper mass to produce a second gas stream: purge gas. And evacuating the second gas stream containing the carrier gas and the gas monomer from the overheads: running the solid olefin polymer containing catalyst from the overheads through the intermediates to the bottoms: solidifying the second purge gas containing water Feeded to the bottom in countercurrent contact with the olefin polymer (where water deactivates the Ziegler Natta catalyst and organometallic catalyst present in the solid olefin polymer) Present in the second purge gas in an amount sufficient to effectuate): evacuating the second purge gas from the bottom just below the middle zone: evacuating the solid olefin polymer from the bottom zone, Removing the non-polymerized gas phase monomer from the solid olefin polymer in a single purge vessel while deactivating the Ziegler-Natta catalyst and organometallic catalyst residue. 제 1항에 있어서, 제 1불활성 기체 스트림 중의 운반기체가 질소인 방법.The process of claim 1 wherein the carrier gas in the first inert gas stream is nitrogen. 제 1항에 있어서, 상부대 중의 퍼어지 기체가 질소인 방법.The method of claim 1 wherein the purge gas in the overhead zone is nitrogen. 제 1항에 있어서, 하부대 중의 제 2퍼어지 기체가 질소인 방법.The method of claim 1 wherein the second purge gas in the bottom band is nitrogen. 제 1항에 있어서, 상부대의 직경이 하부대의 직경의 약 2배인 방법.The method of claim 1 wherein the diameter of the upper band is about twice the diameter of the lower band. 제 1항에 있어서, 하부대 내에서 제 2퍼어지 기체 중의 물이 증기형태로 존재하는 방법.The method of claim 1 wherein the water in the second purge gas is in vapor form in the basin. 제 6항에 있어서, 퍼어지 용기로의 증기 첨가율이 촉매 및 조촉매 잔류물을 반응시키는데 필요한 화학양론적 양을 초과하는 방법.7. The method of claim 6, wherein the rate of steam addition to the purge vessel exceeds the stoichiometric amount required to react the catalyst and promoter residue. 제 1항에 있어서, 퍼어지 용기 내의 고체 올레핀 중합체를 이의 연화점(soft-ening point) 또는 융점 미만의 온도에서 유지시키는 방법.The method of claim 1, wherein the solid olefin polymer in the purge vessel is maintained at a temperature below its soft-ening point or melting point. 제 1항에 있어서, 하부대로의 불활성 퍼어지 기체의 흐름이, 퍼어지 용기내의 최소 고체 올레핀 중합체 온도보다 적어도 5℃ 낮은 습윤 퍼어지 기체 노점을 유지시키는데 충분한 방법.The method of claim 1, wherein the flow of inert purge gas to the bottom stage is sufficient to maintain a wet purge gas dew point at least 5 ° C. below the minimum solid olefin polymer temperature in the purge vessel. 제 1항에 있어서, 고체 올레핀 중합체가 저압중합된 저밀도 에틸렌-탄화수소 공중합체인 방법.The process of claim 1 wherein the solid olefin polymer is a low pressure polymerized low density ethylene-hydrocarbon copolymer. 제 10항에 있어서, 저압 중합된 저밀도 에틸렌-탄화수소 공중합체가 에틸렌-부텐 공중합체인 방법.The method of claim 10 wherein the low pressure polymerized low density ethylene-hydrocarbon copolymer is an ethylene-butene copolymer. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880004748A 1987-04-28 1988-04-27 Method for treating resin in a purge vessel KR930004758B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/043,597 US4758654A (en) 1987-04-28 1987-04-28 Method for treating resin in a purge vessel
US43597 1987-04-28
US043,597 1987-04-28

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KR880012656A true KR880012656A (en) 1988-11-28
KR930004758B1 KR930004758B1 (en) 1993-06-05

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JP (1) JPH075661B2 (en)
KR (1) KR930004758B1 (en)
CN (1) CN1022251C (en)
CA (1) CA1300311C (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100265789B1 (en) * 1997-07-03 2000-09-15 윤종용 Method for manual aligning the optical fibers
US6858188B2 (en) * 2003-05-09 2005-02-22 Texas Petrochemicals, Lp Apparatus for preparing polyolefin products and methodology for using the same
CN100513431C (en) * 2006-04-20 2009-07-15 中国石油化工股份有限公司 Method of processing solid olefin polymer
ATE455801T1 (en) * 2006-08-03 2010-02-15 Basell Polyolefine Gmbh METHOD FOR FINAL TREATMENT OF POLYOLEFIN
RU2456300C2 (en) * 2006-12-29 2012-07-20 Базелль Полиолефин Италия С.Р.Л. Method for after-treatment of polyolefin
US8470082B2 (en) * 2008-11-26 2013-06-25 Univation Technologies, Llc Systems using mass flow promoting insert with gas purging and methods thereof
CN103819658B (en) * 2012-11-19 2016-02-24 中国石油化工股份有限公司 A kind of production has the method for the poly(lactic acid) of low lactide monomer content
EP2743279A1 (en) * 2012-12-11 2014-06-18 Basell Polyolefine GmbH Process for treating polyolefin particles obtained by gas-phase polymerization
EP3274375B1 (en) * 2015-03-24 2019-06-12 SABIC Global Technologies B.V. Continuous gas fluidized bed polymerization process

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Publication number Publication date
JPS6426608A (en) 1989-01-27
CN88102601A (en) 1988-11-16
CN1022251C (en) 1993-09-29
KR930004758B1 (en) 1993-06-05
CA1300311C (en) 1992-05-05
JPH075661B2 (en) 1995-01-25

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