DE3771813D1 - Trocknung und entfernung von restsaeure von halogenierten harzpolymeren. - Google Patents
Trocknung und entfernung von restsaeure von halogenierten harzpolymeren.Info
- Publication number
- DE3771813D1 DE3771813D1 DE8787307712T DE3771813T DE3771813D1 DE 3771813 D1 DE3771813 D1 DE 3771813D1 DE 8787307712 T DE8787307712 T DE 8787307712T DE 3771813 T DE3771813 T DE 3771813T DE 3771813 D1 DE3771813 D1 DE 3771813D1
- Authority
- DE
- Germany
- Prior art keywords
- residuous
- drying
- removal
- acid
- resin polymers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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
- C08F6/00—Post-polymerisation treatments
-
- 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
- C08F6/008—Treatment of solid polymer wetted by water or organic solvents, e.g. coagulum, filter cakes
Landscapes
- 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)
- Drying Of Solid Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/903,635 US4730035A (en) | 1986-09-04 | 1986-09-04 | Drying and removing residual acid from halogenated polymer resins |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3771813D1 true DE3771813D1 (de) | 1991-09-05 |
Family
ID=25417837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787307712T Expired - Fee Related DE3771813D1 (de) | 1986-09-04 | 1987-09-01 | Trocknung und entfernung von restsaeure von halogenierten harzpolymeren. |
Country Status (9)
Country | Link |
---|---|
US (1) | US4730035A (de) |
EP (1) | EP0260050B1 (de) |
JP (1) | JPH07113043B2 (de) |
KR (1) | KR950006121B1 (de) |
AU (1) | AU596874B2 (de) |
BR (1) | BR8707453A (de) |
CA (1) | CA1271593A (de) |
DE (1) | DE3771813D1 (de) |
WO (1) | WO1988001625A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9010461D0 (en) * | 1990-05-10 | 1990-07-04 | Dow Stade Gmbh | Removal of residual acid from chlorinated polymers |
US5276135A (en) * | 1992-03-20 | 1994-01-04 | E. I. Du Pont De Nemours And Company | Stabilized copolymers of ethylene with ethylenically unsaturated carboxylic acids |
US5391709A (en) * | 1993-11-17 | 1995-02-21 | E. I. Du Pont De Nemours And Company | Purification process of PTFE using fiber bed and heated air |
AU679809B2 (en) * | 1994-01-28 | 1997-07-10 | Lubrizol Corporation, The | Treatment of organic compounds to reduce chlorine level |
AT412473B (de) * | 2003-01-15 | 2005-03-25 | Dsm Fine Chem Austria Gmbh | Verfahren zur kontinuierlichen trocknung von n- bzw. amino-, ammonium- oder spirobicyclische ammoniumgruppen haltigen polymeren |
CN104603182B (zh) * | 2012-08-09 | 2016-11-02 | Dpx精细化学奥地利两合公司 | 干燥聚合材料的方法 |
JP6442501B2 (ja) * | 2013-07-24 | 2018-12-19 | リライアンス インダストリーズ リミテッドReliance Industries Ltd. | ハロゲン化ポリマーの残留酸度削減プロセス |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2581155A (en) * | 1949-01-04 | 1952-01-01 | Standard Oil Dev Co | Recovery of high-molecular weight polymers from hydrocarbon solutions |
NL227527A (de) * | 1956-03-03 | |||
US3074923A (en) * | 1959-08-20 | 1963-01-22 | Allied Chem | Recovery of chlorinated polyethylene wax from solution by spray drying |
US3454544A (en) | 1963-05-06 | 1969-07-08 | Dow Chemical Co | Process for the chlorination of polyolefins |
FR1534371A (fr) * | 1967-08-17 | 1968-07-26 | Dynamit Nobel Ag | Procédé pour le séchage et la purification de chlorure de polyvinyle à écoulement libre, postchloré en présence d'agents gonflants |
GB1249195A (en) * | 1969-01-27 | 1971-10-06 | Ici Ltd | Spray-drying process |
US4358402A (en) | 1975-11-27 | 1982-11-09 | Imperial Chemical Industries Limited | Chlorinated polymers |
GB1519711A (en) | 1976-01-30 | 1978-08-02 | Ici Ltd | Recovering chlorinated polymers from solution |
GB1530821A (en) | 1976-02-02 | 1978-11-01 | Ici Ltd | Production of chlorinated polymers |
GB1553565A (en) * | 1976-08-20 | 1979-09-26 | Bp Chem Int Ltd | Polymer treatment |
DE2965823D1 (en) * | 1978-09-06 | 1983-08-11 | Ici Plc | Process for subjecting a material to a chemical reaction or to a physical change in a fluidised bed, and the modified fluidised bed used |
GB2032927B (en) * | 1978-10-02 | 1983-03-02 | Caffaro Spa Ind Chim | Purifying chlorinated polymers |
DE3105404A1 (de) | 1981-02-14 | 1982-09-02 | Hoechst Ag, 6000 Frankfurt | Verfahren zur herstellung eines feinkoernigen nichtagglomerierenden chlorpolyethylens |
US4575950A (en) * | 1983-11-08 | 1986-03-18 | Phillips Petroleum Company | Method for removal of residual solvent from particulate crumb made by solution polymerization |
-
1986
- 1986-09-04 US US06/903,635 patent/US4730035A/en not_active Expired - Lifetime
-
1987
- 1987-08-31 CA CA000545752A patent/CA1271593A/en not_active Expired - Fee Related
- 1987-09-01 DE DE8787307712T patent/DE3771813D1/de not_active Expired - Fee Related
- 1987-09-01 EP EP87307712A patent/EP0260050B1/de not_active Expired - Lifetime
- 1987-09-03 BR BR8707453A patent/BR8707453A/pt not_active IP Right Cessation
- 1987-09-03 KR KR1019880700480A patent/KR950006121B1/ko not_active IP Right Cessation
- 1987-09-03 WO PCT/US1987/002222 patent/WO1988001625A1/en unknown
- 1987-09-03 AU AU79699/87A patent/AU596874B2/en not_active Ceased
- 1987-09-03 JP JP62505671A patent/JPH07113043B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4730035A (en) | 1988-03-08 |
EP0260050A1 (de) | 1988-03-16 |
KR880701744A (ko) | 1988-11-04 |
WO1988001625A1 (en) | 1988-03-10 |
EP0260050B1 (de) | 1991-07-31 |
KR950006121B1 (ko) | 1995-06-09 |
AU596874B2 (en) | 1990-05-17 |
JPH07113043B2 (ja) | 1995-12-06 |
CA1271593A (en) | 1990-07-10 |
JPH01500838A (ja) | 1989-03-23 |
BR8707453A (pt) | 1988-12-06 |
AU7969987A (en) | 1988-03-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8365 | Fully valid after opposition proceedings | ||
8339 | Ceased/non-payment of the annual fee |