FR2413407A1 - Procede pour recuperer des polymeres atactiques - Google Patents
Procede pour recuperer des polymeres atactiquesInfo
- Publication number
- FR2413407A1 FR2413407A1 FR7836717A FR7836717A FR2413407A1 FR 2413407 A1 FR2413407 A1 FR 2413407A1 FR 7836717 A FR7836717 A FR 7836717A FR 7836717 A FR7836717 A FR 7836717A FR 2413407 A1 FR2413407 A1 FR 2413407A1
- Authority
- FR
- France
- Prior art keywords
- atactic
- propylene
- polymer
- recovering
- vaporizer
- 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.)
- Granted
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
- C08F6/06—Treatment of polymer solutions
- C08F6/10—Removal of volatile materials, e.g. solvents
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)
Abstract
L'INVENTION CONCERNE UN PROCEDE POUR RECUPERER DES POLYMERES ATACTIQUES. DANS UN PROCEDE DE RECUPERATION D'UN POLYMERE ATACTIQUE, QUI CONSISTE A CHAUFFER DU PROPYLENE LIQUIDE CONTENANT LE POLYMERE ATACTIQUE DISSOUS, SOUS UNE PRESSION MANOMETRIQUE DE 13 A 39 BARS, DANS UN VAPORISEUR 9, POUR VAPORISER LE PROPYLENE, ET A SEPARER LE POLYMERE ATACTIQUE DU PROPYLENE VAPORISE DE FACON A RECUPERER LE POLYMERE SOUS UNE FORME FONDUE, ON MAINTIENT LA TEMPERATURE DE VAPORISATION DU PROPYLENE ENTRE 45C ET 90C ET LA TEMPERATURE DU MILIEU DE CHAUFFAGE 8 DU VAPORISEUR ENTRE 60C ET 150C. L'INVENTION PERMET EN PARTICULIER DE RECUPERER LE POLYMERE ATACTIQUE PENDANT DES DUREES PROLONGEES.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15937277A JPS6024803B2 (ja) | 1977-12-28 | 1977-12-28 | アタクチツク重合体の回収方法 |
JP1608278A JPS54108889A (en) | 1978-02-14 | 1978-02-14 | Recovery of atactic polymer |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2413407A1 true FR2413407A1 (fr) | 1979-07-27 |
FR2413407B1 FR2413407B1 (fr) | 1983-07-01 |
Family
ID=26352333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7836717A Granted FR2413407A1 (fr) | 1977-12-28 | 1978-12-28 | Procede pour recuperer des polymeres atactiques |
Country Status (11)
Country | Link |
---|---|
US (1) | US4208530A (fr) |
BR (1) | BR7808382A (fr) |
CA (1) | CA1104750A (fr) |
CS (1) | CS214671B2 (fr) |
DE (1) | DE2856135A1 (fr) |
FR (1) | FR2413407A1 (fr) |
GB (1) | GB2011429B (fr) |
MX (1) | MX149480A (fr) |
NL (1) | NL7812487A (fr) |
PL (1) | PL117204B1 (fr) |
YU (1) | YU308878A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4754004A (en) * | 1985-09-18 | 1988-06-28 | Uniroyal Chemical Company, Inc. | Process for the purification of amorphous ethylene/alphaolefin copolymers |
US4710563A (en) * | 1986-08-15 | 1987-12-01 | El Paso Products Company | Process for the recovery of amorphous devaporized polyalphaolefin |
AT405284B (de) * | 1996-10-31 | 1999-06-25 | Danubia Petrochem Polymere | Verfahren zur kontinuierlichen herstellung von elastischen polypropylenen |
DE10315182A1 (de) * | 2003-04-03 | 2004-10-14 | Clariant Gmbh | Verfahren zur Herstellung von stabilen Polymer-Konzentraten |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB991856A (en) * | 1963-02-06 | 1965-05-12 | Dow Chemical Co | Monomer recovery process |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB962246A (en) * | 1960-10-12 | 1964-07-01 | Ljuba Zampachova | A process for the extraction of atactic fractions from polypropylene |
US3644583A (en) * | 1969-04-23 | 1972-02-22 | Phillips Petroleum Co | Production and recovery of a solid mixed homo- and copolymer |
-
1978
- 1978-12-13 GB GB7848387A patent/GB2011429B/en not_active Expired
- 1978-12-21 BR BR7808382A patent/BR7808382A/pt unknown
- 1978-12-22 NL NL7812487A patent/NL7812487A/xx not_active Application Discontinuation
- 1978-12-26 US US05/973,292 patent/US4208530A/en not_active Expired - Lifetime
- 1978-12-27 YU YU03088/78A patent/YU308878A/xx unknown
- 1978-12-27 DE DE19782856135 patent/DE2856135A1/de active Granted
- 1978-12-28 CA CA318,787A patent/CA1104750A/fr not_active Expired
- 1978-12-28 CS CS789058A patent/CS214671B2/cs unknown
- 1978-12-28 FR FR7836717A patent/FR2413407A1/fr active Granted
- 1978-12-28 PL PL1978212207A patent/PL117204B1/pl unknown
-
1979
- 1979-01-03 MX MX176131A patent/MX149480A/es unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB991856A (en) * | 1963-02-06 | 1965-05-12 | Dow Chemical Co | Monomer recovery process |
Also Published As
Publication number | Publication date |
---|---|
DE2856135A1 (de) | 1979-07-12 |
GB2011429B (en) | 1982-03-31 |
PL117204B1 (en) | 1981-07-31 |
DE2856135C2 (fr) | 1989-02-09 |
CS214671B2 (en) | 1982-05-28 |
BR7808382A (pt) | 1979-08-07 |
GB2011429A (en) | 1979-07-11 |
NL7812487A (nl) | 1979-07-02 |
CA1104750A (fr) | 1981-07-07 |
MX149480A (es) | 1983-11-11 |
US4208530A (en) | 1980-06-17 |
FR2413407B1 (fr) | 1983-07-01 |
PL212207A1 (fr) | 1979-11-05 |
YU308878A (en) | 1982-08-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |