ATE97669T1 - Verfahren zum verhindern der krustenbildung in reaktoren waehrend der suspensionspolymerisation von vinylidenfluorid. - Google Patents
Verfahren zum verhindern der krustenbildung in reaktoren waehrend der suspensionspolymerisation von vinylidenfluorid.Info
- Publication number
- ATE97669T1 ATE97669T1 AT90870164T AT90870164T ATE97669T1 AT E97669 T1 ATE97669 T1 AT E97669T1 AT 90870164 T AT90870164 T AT 90870164T AT 90870164 T AT90870164 T AT 90870164T AT E97669 T1 ATE97669 T1 AT E97669T1
- Authority
- AT
- Austria
- Prior art keywords
- suspension polymerization
- during suspension
- crust formation
- methyl
- reactors during
- Prior art date
Links
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 title 1
- 230000015572 biosynthetic process Effects 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000010557 suspension polymerization reaction Methods 0.000 title 1
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 abstract 2
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 abstract 2
- 239000000375 suspending agent Substances 0.000 abstract 2
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 abstract 1
- 229920002678 cellulose Polymers 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 abstract 1
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 abstract 1
- 239000003999 initiator Substances 0.000 abstract 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 abstract 1
- -1 methyl hydroxypropyl Chemical group 0.000 abstract 1
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
- C08F14/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
- C08F14/18—Monomers containing fluorine
- C08F14/22—Vinylidene fluoride
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8913247A FR2652813B1 (fr) | 1989-10-09 | 1989-10-09 | Procede pour reduire le croutage des reacteurs en cours de polymerisation du fluorure de vinylidene dans un milieu aqueux de mise en suspension. |
| EP90870164A EP0423097B1 (de) | 1989-10-09 | 1990-10-04 | Verfahren zum Verhindern der Krustenbildung in Reaktoren während der Suspensionspolymerisation von Vinylidenfluorid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE97669T1 true ATE97669T1 (de) | 1993-12-15 |
Family
ID=9386266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT90870164T ATE97669T1 (de) | 1989-10-09 | 1990-10-04 | Verfahren zum verhindern der krustenbildung in reaktoren waehrend der suspensionspolymerisation von vinylidenfluorid. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5145921A (de) |
| EP (1) | EP0423097B1 (de) |
| JP (1) | JP3059202B2 (de) |
| AT (1) | ATE97669T1 (de) |
| DE (1) | DE69004775D1 (de) |
| FR (1) | FR2652813B1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7517581B2 (en) | 2003-09-26 | 2009-04-14 | Parker-Hannifin Corporation | Semipermeable hydrophilic membrane |
| ATE508146T1 (de) * | 2004-10-20 | 2011-05-15 | Kureha Corp | Polyvinylidenfluoridharzpulver zur schmelzeformgebung und verfahren zur herstellung eines formkörpers aus dem harzpulver |
| US8298446B2 (en) | 2007-10-11 | 2012-10-30 | Kureha Corporation | Vinylidene fluoride based polymer powder and use thereof |
| CN103282393B (zh) * | 2010-12-22 | 2016-06-01 | 索尔维特殊聚合物意大利有限公司 | 亲水偏二氟乙烯聚合物 |
| KR101559153B1 (ko) * | 2013-12-30 | 2015-10-13 | 주식회사 고퍼우드 | 현악기용 음색 조절 장치 |
| KR101704669B1 (ko) * | 2016-02-24 | 2017-02-08 | 주식회사 고퍼우드 | 중량감 부가부재가 구비된 기능성 통기타 |
| KR101655891B1 (ko) * | 2016-02-29 | 2016-09-08 | 이세강 | 기타용 장식 패널 및 그 제조 방법 |
| JP7144298B2 (ja) * | 2018-03-06 | 2022-09-29 | 株式会社クレハ | フッ化ビニリデン重合体の製造方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1094558A (en) * | 1965-12-10 | 1967-12-13 | Kureha Chemical Ind Co Ltd | Polyvinylidene fluoride |
| US3719651A (en) * | 1971-02-01 | 1973-03-06 | Dow Chemical Co | Hydroxybutylmethylcellulose as a protective colloid in vinyl monomer polymerization |
| GB1365590A (en) * | 1972-03-09 | 1974-09-04 | Shinetsu Chemical Co | Method of suspension polymerizing vinyl chloride |
| GB1378875A (en) * | 1972-09-11 | 1974-12-27 | Bp Chem Int Ltd | Polymerisation process |
| US3781265A (en) * | 1972-10-17 | 1973-12-25 | Pennwalt Corp | Method of preparing consistently high-quality vinylidene fluoride polymer |
| DE2528950B2 (de) * | 1975-06-28 | 1979-02-15 | Sigma Italiana Prodotti Chimici S.P.A., Bergamo (Italien) | Verfahren zur Herstellung von Polyvinylchlorid |
| UST953008I4 (de) * | 1976-05-17 | 1976-12-07 | ||
| US4117216A (en) * | 1977-09-02 | 1978-09-26 | The B. F. Goodrich Company | Inversion polymerization process for producing vinyl resins |
| GB2206122A (en) * | 1987-06-22 | 1988-12-29 | Aqualon Co | Process for preparation of polymers by suspension polymerization of a vinyl monomer in the presence of a hydrophobically modified water-soluble, nonionic cellulose ether polymer in combination with an electrolyte and polymers prepared by same |
-
1989
- 1989-10-09 FR FR8913247A patent/FR2652813B1/fr not_active Expired - Fee Related
-
1990
- 1990-10-04 EP EP90870164A patent/EP0423097B1/de not_active Expired - Lifetime
- 1990-10-04 AT AT90870164T patent/ATE97669T1/de not_active IP Right Cessation
- 1990-10-04 DE DE90870164T patent/DE69004775D1/de not_active Expired - Lifetime
- 1990-10-09 US US07/594,735 patent/US5145921A/en not_active Expired - Lifetime
- 1990-10-09 JP JP2272059A patent/JP3059202B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0423097A1 (de) | 1991-04-17 |
| FR2652813B1 (fr) | 1993-05-28 |
| FR2652813A1 (fr) | 1991-04-12 |
| JP3059202B2 (ja) | 2000-07-04 |
| US5145921A (en) | 1992-09-08 |
| EP0423097B1 (de) | 1993-11-24 |
| DE69004775D1 (de) | 1994-01-05 |
| JPH03185007A (ja) | 1991-08-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |