BR8504368A - Processo para eliminar substancialmente o acumulo de polimeros sobre as superficies internas de um vaso de reacao de polimerizacao,vaso de reacao de polimerizacao,composicao e resina de cloreto de polivinila - Google Patents
Processo para eliminar substancialmente o acumulo de polimeros sobre as superficies internas de um vaso de reacao de polimerizacao,vaso de reacao de polimerizacao,composicao e resina de cloreto de polivinilaInfo
- Publication number
- BR8504368A BR8504368A BR8504368A BR8504368A BR8504368A BR 8504368 A BR8504368 A BR 8504368A BR 8504368 A BR8504368 A BR 8504368A BR 8504368 A BR8504368 A BR 8504368A BR 8504368 A BR8504368 A BR 8504368A
- Authority
- BR
- Brazil
- Prior art keywords
- polymerization reaction
- reaction pot
- accumulation
- polymers
- composition
- Prior art date
Links
Classifications
-
- 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
-
- 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
- C08F2/002—Scale prevention in a polymerisation reactor or its auxiliary parts
- C08F2/004—Scale prevention in a polymerisation reactor or its auxiliary parts by a prior coating on the reactor walls
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/648,925 US4659791A (en) | 1984-09-11 | 1984-09-11 | Internally coated reaction vessel for use in olefinic polymerization |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8504368A true BR8504368A (pt) | 1986-07-08 |
Family
ID=24602780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8504368A BR8504368A (pt) | 1984-09-11 | 1985-09-10 | Processo para eliminar substancialmente o acumulo de polimeros sobre as superficies internas de um vaso de reacao de polimerizacao,vaso de reacao de polimerizacao,composicao e resina de cloreto de polivinila |
Country Status (13)
Country | Link |
---|---|
US (1) | US4659791A (pt) |
EP (1) | EP0177775B1 (pt) |
JP (1) | JPS6172002A (pt) |
KR (1) | KR930003689B1 (pt) |
AU (1) | AU579399B2 (pt) |
BR (1) | BR8504368A (pt) |
CA (1) | CA1264396A (pt) |
DE (1) | DE3575431D1 (pt) |
EG (1) | EG17103A (pt) |
FI (1) | FI85711C (pt) |
IN (1) | IN165803B (pt) |
MX (1) | MX163323A (pt) |
NO (1) | NO165498C (pt) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0788401B2 (ja) * | 1987-03-06 | 1995-09-27 | 信越化学工業株式会社 | 塩化ビニル系重合体の製造方法 |
JPH0739445B2 (ja) * | 1988-12-07 | 1995-05-01 | 信越化学工業株式会社 | 重合体スケールの付着防止方法 |
JPH0678388B2 (ja) * | 1990-08-31 | 1994-10-05 | 信越化学工業株式会社 | 塩化ビニル系重合体の製造方法 |
DE69217327D1 (de) * | 1991-10-21 | 1997-03-20 | Shinetsu Chemical Co | Mittel zur Verhinderung von Polymerverkrustung, Polymerisationsgefäss, in dem die Verkrustung vermieden wird und Verfahren zur Herstellung von Polymeren unter Benutzung dieses Gefässes |
KR0167003B1 (ko) * | 1994-11-21 | 1999-03-20 | 이종학 | 중합기내 축적물 생성이 억제된 염화비닐 단량체의 중합 또는 공중합방법 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3340160A (en) * | 1964-06-23 | 1967-09-05 | Phillips Petroleum Co | Composition and method for inhibiting the formation of polymers during fractional distillation |
US3726910A (en) * | 1970-04-01 | 1973-04-10 | Dow Chemical Co | (((alkylthio)alkyl)thio)phenyl carbamates |
US3778423A (en) * | 1971-06-28 | 1973-12-11 | Universal Pvc Resins | Method for reducing polymer deposit in polymerization of vinyl chloride |
US3926910A (en) * | 1973-02-12 | 1975-12-16 | Goodyear Tire & Rubber | Reduction of reactor fouling and improvement in the thermal stability of pvc using nitrites |
JPS5072984A (pt) * | 1973-10-30 | 1975-06-16 | ||
US4035563A (en) * | 1974-03-26 | 1977-07-12 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Method of suspension polymerizing vinyl chloride with salts of nitrous acids and polyvalent metal salts |
JPS5137307A (ja) * | 1974-09-25 | 1976-03-29 | Mitsubishi Motors Corp | Takitonainenkikan |
JPS5224953B2 (pt) * | 1974-12-27 | 1977-07-05 | Shinetsu Chemical Co | |
JPS536023A (en) * | 1976-07-06 | 1978-01-20 | Asahi Optical Co Ltd | Shutter starter utilizing counter |
BE859630A (fr) * | 1976-10-12 | 1978-04-12 | Kanegafuchi Chemical Ind | Procede de polymerisation de chlorure de vinyle |
JPS53109589A (en) * | 1977-03-06 | 1978-09-25 | Chisso Corp | Suspension polymerization of vinyl chloride |
US4080173A (en) * | 1977-06-20 | 1978-03-21 | The B. F. Goodrich Company | Internally coated reaction vessel for use in olefinic polymerization |
US4182808A (en) * | 1978-08-25 | 1980-01-08 | The B. F. Goodrich Company | Inversion polymerization process for producing vinyl resins using a dual layer coating |
US4355141A (en) * | 1981-05-20 | 1982-10-19 | Mitsui Toatsu Chemical, Inc. | Polymerizing vinyl chloride in reactor treated with condensates |
US4420591A (en) * | 1982-04-05 | 1983-12-13 | Air Products And Chemicals, Inc. | Method for reducing wall fouling in vinyl chloride polymerization |
-
1984
- 1984-09-11 US US06/648,925 patent/US4659791A/en not_active Expired - Lifetime
-
1985
- 1985-08-21 IN IN689/DEL/85A patent/IN165803B/en unknown
- 1985-08-21 CA CA000489193A patent/CA1264396A/en not_active Expired - Fee Related
- 1985-08-21 AU AU46502/85A patent/AU579399B2/en not_active Ceased
- 1985-09-02 KR KR1019850006387A patent/KR930003689B1/ko active IP Right Grant
- 1985-09-05 FI FI853408A patent/FI85711C/fi not_active IP Right Cessation
- 1985-09-07 DE DE8585111330T patent/DE3575431D1/de not_active Expired - Fee Related
- 1985-09-07 EP EP85111330A patent/EP0177775B1/en not_active Expired - Lifetime
- 1985-09-10 JP JP60198689A patent/JPS6172002A/ja active Pending
- 1985-09-10 BR BR8504368A patent/BR8504368A/pt not_active IP Right Cessation
- 1985-09-10 NO NO853533A patent/NO165498C/no unknown
- 1985-09-11 MX MX206587A patent/MX163323A/es unknown
- 1985-09-11 EG EG563/85A patent/EG17103A/xx active
Also Published As
Publication number | Publication date |
---|---|
NO165498B (no) | 1990-11-12 |
MX163323A (es) | 1992-04-21 |
AU579399B2 (en) | 1988-11-24 |
FI85711B (fi) | 1992-02-14 |
FI853408A0 (fi) | 1985-09-05 |
KR930003689B1 (ko) | 1993-05-08 |
EG17103A (en) | 1992-06-30 |
NO165498C (no) | 1991-02-20 |
DE3575431D1 (de) | 1990-02-22 |
JPS6172002A (ja) | 1986-04-14 |
NO853533L (no) | 1986-03-12 |
FI853408L (fi) | 1986-03-12 |
US4659791A (en) | 1987-04-21 |
IN165803B (pt) | 1990-01-13 |
EP0177775A1 (en) | 1986-04-16 |
EP0177775B1 (en) | 1990-01-17 |
CA1264396A (en) | 1990-01-09 |
FI85711C (fi) | 1992-05-25 |
KR860002531A (ko) | 1986-04-26 |
AU4650285A (en) | 1986-03-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Lapse due to non-payment of fees (art. 50) |