KR900001731A - 중합체 용액의 휘발분 제거방법 및 장치 - Google Patents

중합체 용액의 휘발분 제거방법 및 장치 Download PDF

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KR900001731A
KR900001731A KR1019890010524A KR890010524A KR900001731A KR 900001731 A KR900001731 A KR 900001731A KR 1019890010524 A KR1019890010524 A KR 1019890010524A KR 890010524 A KR890010524 A KR 890010524A KR 900001731 A KR900001731 A KR 900001731A
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polymer solution
polymer
volatiles
channel
temperature
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KR1019890010524A
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KR0136277B1 (ko
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마티우씨 안드레아
부오네르바 클라우디오
발레스트리 프란코
달락쿠아 디노
마타레세 사비노
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몬테디페 에스.알.엘
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/06—Flash distillation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
    • B01D1/221—Composite plate evaporators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • 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
    • C08F6/003—Removal of residual monomers by physical means from polymer solutions, suspensions, dispersions or emulsions without recovery of the polymer therefrom
    • 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
    • C08F6/06—Treatment of polymer solutions
    • C08F6/10—Removal of volatile materials, e.g. solvents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0012—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the apparatus having an annular form
    • F28D9/0018—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the apparatus having an annular form without any annular circulation of the heat exchange media
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S159/00—Concentrating evaporators
    • Y10S159/10—Organic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S159/00—Concentrating evaporators
    • Y10S159/16—Vacuum
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S159/00—Concentrating evaporators
    • Y10S159/32—Indirect heat exchange

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Degasification And Air Bubble Elimination (AREA)
  • Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Abstract

내용 없음

Description

중합체 용액의 휘발분 제거방법 및 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도 본 발명에 따른 휘발분 제거장치의 개략적인 종단 측면도이고,
제2도는 제1도의 휘발분 제거장치에 포함되어 있는 열교환기가 가질 수 있는 판을 꼭대기에서 본 개략도이고,
제3 및 4도는 각각 제2도의 판이 배열의 개략적인 상상도 및 측면도이고.

Claims (16)

  1. a) 중합체 용액을, 서로 평행하게 배열된 복수개의 채널을 갖고, 휘발분의 기화 온도보다 높고 용액의 비점보다는 낮은 온도로 가열된 간접 열 교환대역을 통하여, 전체 열 교환 표면적(㎡)과 공급된 공중합체 용액의 유량(㎥/h)의 비가 80㎡/㎥/h을 초과하도록 공급하고 ; b) 중합체 용액을 0.5mm/초 미만의 속도로 각 채널 안으로 이동시키고 ; c) 중합체 용액으로부터 적어도 90% 휘발분을 증발시키기 위해, 중합체 용액을 120~200초간 각 채널안에 머무르게 하고 ; d) 휘발분이 제거된 중합체 용액으로부터 휘발분을 분리함을 특징으로 하는 중합체 용액의 휘발분 제거방법.
  2. 제1항에 있어서, 중합체 용액이 용융 상태에서, 10,000 센티포아즈를 초과하는, 바람직하게는 100,000~1,000,000 센티포아즈의 점도를 갖는 방법.
  3. 제1항 또는 제2항에 있어서, 중합체가 열가소성 중합체, 실리콘 중합체, 탄성중합체 및 고분자량을 갖는 윤활제에서 선택되는 방법.
  4. 제3항에 있어서, 열가소성 중합체가 폴리스티렌, 내충격성 폴리스티렌, 폴리페닐렌 에테르, 폴리카르 보네이트, 폴리비닐클로라이드, 폴리우레탄, 폴리에테르이미드, 폴리아미드, 폴리에스테르, 폴리아크릴레이트 및 폴리메타크릴레이트, 선형 포리에틸렌, 그의 공중합체 및 이러한 공중합체와 공중합체의 혼합물에서 선택되는 방법.
  5. 제3항 또는 제4항에 있어서, 열가소성 중합체가 스티렌-아크릴로니트릴, 스티렌메틸-메타크릴레이트, 스티렌-말레산 무수물 및 스티렌-아크릴로니트릴-고무 공중합체에서 선택되는 방법.
  6. 제3항 또는 제4항에 있어서, 중합체가 폴리페닐 에테르-폴리스티렌의 혼합물인 방법.
  7. 제1항 내지 제6항중 어느 한 항에 있어서, 중합체 용액이 적어도 25중량%, 바람직하게는 적어도 40중량%의 폴리스티렌 또는 단독 또는 다른 중합체와의 혼합물인 스티렌의 공중합체를 함유하는 방법.
  8. 제1항 내지 제7항중 어느 한 항에 있어서, 중합체 용액을 용액중의 중합체의 유리 전이 온도(Tg)보다 높고 중합체 용액의 비점보다 낮은 온도로 가열하는 방법.
  9. 제8항 또는 중합체 용액의 온도가 중합체의 유리전이 온도(Tg)보다 적어도 50℃가 높은 방법.
  10. 제8항 또는 제9항에 있어서, 중합체 용액의 온도가 100~400℃, 바람직하게는 150~350℃인 방법.
  11. 제1항 내지 제10항중 어느 한 항에 있어서, 가열 매질의 온도화 채널을 떠나는 중합체 용액의 온도 사이의 차이가 10℃ 미만인 방법.
  12. 제1항 내지 제11항중 어느 한 항에 있어서, 채널 입구의 중합체 용액의 압력 2~5x105파스칼인 방법.
  13. 제12항에 있어서, 중합체 용액의 압력이 각 채널의 출구로 향하고 있는 휘발분의 포화 압력보다 낮은 방법.
  14. 제1항 내지 제13항중 어느 한 항에 있어서, 교환기의 표면적(㎡)/중합체 용액의 유량(㎥/h)의 비가 80~150, 바람직하게는 100~110인 방법.
  15. 제1항 내지 제14항중 어느 한 항에 있어서, 각 채널중의 중합체 용액의 유속이 0.3~0.4mm/초인 방법.
  16. 제1항 내지 제15항중 어느 한항에 있어서, 열 교환 대역이 1,000~100,000 채널을 포함하고, 각 채널은 길이가 50~150mm, 높이가, 1~3mm, 및 너비가 10~30mm인 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890010524A 1988-07-26 1989-07-25 중합체 용액의 휘발분 제거 방법 및 장치 KR0136277B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8821481A IT1226303B (it) 1988-07-26 1988-07-26 Processo ed apparato per la devolatilizzazione di soluzioni di polimeri.
IT21481A/88 1988-07-26

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US (1) US5084134A (ko)
EP (1) EP0352727B1 (ko)
JP (1) JP2790191B2 (ko)
KR (1) KR0136277B1 (ko)
AT (1) ATE99557T1 (ko)
BR (1) BR8903692A (ko)
CA (1) CA1337369C (ko)
DE (1) DE68912014T2 (ko)
ES (1) ES2049782T3 (ko)
IT (1) IT1226303B (ko)
RU (1) RU1838328C (ko)

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ATE99557T1 (de) 1994-01-15
EP0352727A2 (en) 1990-01-31
BR8903692A (pt) 1990-04-17
CA1337369C (en) 1995-10-17
IT8821481A0 (it) 1988-07-26
DE68912014D1 (de) 1994-02-17
RU1838328C (ru) 1993-08-30
US5084134A (en) 1992-01-28
KR0136277B1 (ko) 1998-04-25
EP0352727B1 (en) 1994-01-05
JPH02175703A (ja) 1990-07-09
EP0352727A3 (en) 1990-06-06
ES2049782T3 (es) 1994-05-01
DE68912014T2 (de) 1994-04-28
IT1226303B (it) 1990-12-27
JP2790191B2 (ja) 1998-08-27

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