KR930000542A - 비닐 중합체의 제조방법 - Google Patents
비닐 중합체의 제조방법 Download PDFInfo
- Publication number
- KR930000542A KR930000542A KR1019920010636A KR920010636A KR930000542A KR 930000542 A KR930000542 A KR 930000542A KR 1019920010636 A KR1019920010636 A KR 1019920010636A KR 920010636 A KR920010636 A KR 920010636A KR 930000542 A KR930000542 A KR 930000542A
- Authority
- KR
- South Korea
- Prior art keywords
- tube bundle
- reactor
- heat exchanger
- tube
- less
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2415—Tubular reactors
- B01J19/2435—Loop-type reactors
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/02—Polymerisation in bulk
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2415—Tubular reactors
- B01J19/242—Tubular reactors in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00054—Controlling or regulating the heat exchange system
- B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
- B01J2219/00058—Temperature measurement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
- B01J2219/00081—Tubes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polymerisation Methods In General (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 방법에 다른 반응장치의 개략 단면도이고,
제3도 및 제5도는 본 발명에 따라 냉매와 반응 혼합물의 흐름 위치가 바뀐 장치의 개략 단면도.
Claims (5)
- 재순환 물질의 50%이상이 들어있는 재순환 반응기의 일부 각각의 관들이 다음의 공정 조건을 조성할 수 있도록 설치된 관 다발 반응기로서 구성되어 있는 역혼합형 반응장치내에 비닐 단량체의 괴상중합 또는 용액중합이 80 내지 200℃로 수행되는 것을 특징으로 하는 방법.-항상 반응기의 동일한 구역에서 측정되는 각각의 관의 축과 냉매의 온도차는 16.5K이하, 또는 냉각기 유입 물질과 유출되는 반응혼합물의 온도차(공류 조작의 경우)는 약 20K이상,-체류시간은 5 내지 20회 순환-반응혼합물의 최종 점도는 750 Pas이하.
- 제1항에 방법을 수행하기 위한 장치에 있어서, 열교환 표면적이 재순환 물질 또는 반응기 부피의 입방미터당 50평방미터 이상이거나 부피가 장치 전체 부피의 50%이상을 차지하는 1개 이상의 관 다발 열교환기 (1), 순환 흐름 발생수단 (2), 유입 및 유출 발생수단 (3, 4) 그리고 반응기의 내용물을 유입물과 혼합되도록 하는 내부 혼합강화장치(5)로 이루어지는 장치.
- 제2항에 있어서, 관 다발 열교환기가 내경이 10 내지 50㎜이고 길이가 400㎜이하인 각각의 관들로 이루어지고 관 다발의 높이고 그 직경의 2배 이상인 것을 특징으로 하는 장치.
- 제2항에 있어서, 열교환기가 분배공간(la)과 상부공간(lb)에 결합되고 그 쉘의 표면이 원추형으로서 끝각이 60°내지 140°인 것을 특징으로 하는 장치.
- 제2항에 있어서, 열교환기가 관 다발에 대하여 분배기 및 상부공간으로 향하여 형성된 원추형 또는 라운딩 형태의 관 유출구가 구비된 말단 판을 가지는 것을 특징으로 하는 장치.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4120203A DE4120203A1 (de) | 1991-06-19 | 1991-06-19 | Verfahren zur herstellung von schlagzaehem polystyrol |
DEP4120203.1 | 1991-06-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR930000542A true KR930000542A (ko) | 1993-01-15 |
Family
ID=6434278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019920010636A KR930000542A (ko) | 1991-06-19 | 1992-06-19 | 비닐 중합체의 제조방법 |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0519266B1 (ko) |
JP (1) | JPH05178906A (ko) |
KR (1) | KR930000542A (ko) |
DE (2) | DE4120203A1 (ko) |
ES (1) | ES2063549T3 (ko) |
TW (1) | TW237458B (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030093798A (ko) * | 2002-06-05 | 2003-12-11 | 한국가스공사 | 졸-겔법을 통한 알루미나 표면 보호층이 도포된 가스센서제조방법 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19524181A1 (de) * | 1995-07-03 | 1997-01-09 | Basf Ag | Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Polymeren |
DE19524182A1 (de) * | 1995-07-03 | 1997-01-09 | Basf Ag | Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Polymeren |
DE19524180A1 (de) * | 1995-07-03 | 1997-01-09 | Basf Ag | Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Polymeren |
US5977251A (en) * | 1996-04-01 | 1999-11-02 | The Dow Chemical Company | Non-adiabatic olefin solution polymerization |
AU714023B2 (en) * | 1996-04-01 | 1999-12-16 | Dow Chemical Company, The | Olefin solution polymerization |
FR2768740B1 (fr) * | 1997-09-19 | 2001-07-06 | Bp Chem Int Ltd | Procede de polymerisation continue d'un monomere vinylique |
US6281300B1 (en) | 1998-03-20 | 2001-08-28 | Exxon Chemical Patents, Inc. | Continuous slurry polymerization volatile removal |
US20020111441A1 (en) | 1998-03-20 | 2002-08-15 | Kendrick James Austin | Continuous slurry polymerization volatile removal |
KR100531628B1 (ko) | 1998-03-20 | 2005-11-29 | 엑손모빌 케미칼 패턴츠 인코포레이티드 | 연속적인 슬러리 중합반응의 휘발물질 제거 |
US7268194B2 (en) | 1998-03-20 | 2007-09-11 | Exxonmobil Chemical Patents Inc. | Continuous slurry polymerization process and apparatus |
AU2002240549A1 (en) * | 2002-02-28 | 2003-09-16 | Exxonmobile Chemical Patents Inc. _____________________________G | Continuous slurry polymerization process in a loop reactor |
US10029230B1 (en) | 2017-01-24 | 2018-07-24 | Chevron Phillips Chemical Company Lp | Flow in a slurry loop reactor |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2727884A (en) * | 1953-04-13 | 1955-12-20 | Dow Chemical Co | Process of mass polymerization in vertical unmixed strata |
DE1240286B (de) * | 1965-01-02 | 1967-05-11 | Basf Ag | Verfahren zur kontinuierlichen Emulsions-polymerisation olefinisch ungesaettigter Verbindungen |
FR1450577A (fr) * | 1965-06-09 | 1966-06-24 | Rhone Poulenc Sa | Nouveau réacteur étagé |
IT1094930B (it) * | 1978-04-24 | 1985-08-10 | Montedison Spa | Procedimento di polimerizzazione sotto pressione in apparecchiatura di tipo anolare |
EP0096082A1 (en) * | 1982-06-03 | 1983-12-21 | Bechtel International Corporation | Oxidation reactor |
-
1991
- 1991-06-19 DE DE4120203A patent/DE4120203A1/de not_active Withdrawn
-
1992
- 1992-06-03 EP EP92109328A patent/EP0519266B1/de not_active Expired - Lifetime
- 1992-06-03 DE DE59200684T patent/DE59200684D1/de not_active Expired - Lifetime
- 1992-06-03 ES ES92109328T patent/ES2063549T3/es not_active Expired - Lifetime
- 1992-06-15 TW TW081104661A patent/TW237458B/zh active
- 1992-06-18 JP JP4159004A patent/JPH05178906A/ja not_active Withdrawn
- 1992-06-19 KR KR1019920010636A patent/KR930000542A/ko not_active Application Discontinuation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030093798A (ko) * | 2002-06-05 | 2003-12-11 | 한국가스공사 | 졸-겔법을 통한 알루미나 표면 보호층이 도포된 가스센서제조방법 |
Also Published As
Publication number | Publication date |
---|---|
ES2063549T3 (es) | 1995-01-01 |
TW237458B (ko) | 1995-01-01 |
EP0519266B1 (de) | 1994-10-26 |
EP0519266A1 (de) | 1992-12-23 |
DE59200684D1 (de) | 1994-12-01 |
JPH05178906A (ja) | 1993-07-20 |
DE4120203A1 (de) | 1992-12-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |