JPS5379982A - Process for recovering atactic polypropylene - Google Patents

Process for recovering atactic polypropylene

Info

Publication number
JPS5379982A
JPS5379982A JP15505076A JP15505076A JPS5379982A JP S5379982 A JPS5379982 A JP S5379982A JP 15505076 A JP15505076 A JP 15505076A JP 15505076 A JP15505076 A JP 15505076A JP S5379982 A JPS5379982 A JP S5379982A
Authority
JP
Japan
Prior art keywords
atactic polypropylene
recovering
polypropylene
atactiv
gushed
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
Application number
JP15505076A
Other languages
Japanese (ja)
Other versions
JPS5914485B2 (en
Inventor
Tetsunosuke Shiomura
Takeo Ooka
Takashi Kobayashi
Hideo Sadotomo
Kazuo Hagiwara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Publication of JPS5379982A publication Critical patent/JPS5379982A/en
Publication of JPS5914485B2 publication Critical patent/JPS5914485B2/en
Expired legal-status Critical Current

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
    • C08F6/12—Separation of polymers from solutions

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

PURPOSE: A solution containing atactic polypropylene and polymerization solvent is passed through a double-pipe heater at a specified fluid speed and then gushed into a separation zone kept under low pressure, thereby atactiv polypropylene is easily recovered.
COPYRIGHT: (C)1978,JPO&Japio
JP15505076A 1978-06-22 1976-12-24 Recovery method of atactic polypropylene Expired JPS5914485B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7818744A FR2429230A1 (en) 1978-06-22 1978-06-22 Recovery of atactic polypropylene after propylene polymerisation - by passage of soln. through heated tube

Publications (2)

Publication Number Publication Date
JPS5379982A true JPS5379982A (en) 1978-07-14
JPS5914485B2 JPS5914485B2 (en) 1984-04-04

Family

ID=9209868

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15505076A Expired JPS5914485B2 (en) 1978-06-22 1976-12-24 Recovery method of atactic polypropylene

Country Status (5)

Country Link
JP (1) JPS5914485B2 (en)
AT (1) AT355301B (en)
BE (1) BE868380A (en)
FR (1) FR2429230A1 (en)
NL (1) NL177921C (en)

Also Published As

Publication number Publication date
ATA454678A (en) 1979-07-15
FR2429230A1 (en) 1980-01-18
NL177921C (en) 1985-12-16
JPS5914485B2 (en) 1984-04-04
NL7806230A (en) 1979-12-11
BE868380A (en) 1978-10-16
AT355301B (en) 1980-02-25
NL177921B (en) 1985-07-16
FR2429230B1 (en) 1985-02-15

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