GB871397A - Improvements in or relating to propylene polymers and their preparation - Google Patents

Improvements in or relating to propylene polymers and their preparation

Info

Publication number
GB871397A
GB871397A GB36985/57A GB3698557A GB871397A GB 871397 A GB871397 A GB 871397A GB 36985/57 A GB36985/57 A GB 36985/57A GB 3698557 A GB3698557 A GB 3698557A GB 871397 A GB871397 A GB 871397A
Authority
GB
United Kingdom
Prior art keywords
extraction
polypropylene
solvent
polymer
propylene
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
Application number
GB36985/57A
Other languages
English (en)
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.)
Montedison SpA
Original Assignee
Montedison SpA
Montecatini Societa Generale per lIndustria Mineraria e Chimica SpA
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 Montedison SpA, Montecatini Societa Generale per lIndustria Mineraria e Chimica SpA filed Critical Montedison SpA
Publication of GB871397A publication Critical patent/GB871397A/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
    • C08F6/04—Fractionation
    • 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
    • C08F6/26—Treatment of polymers prepared in bulk also solid polymers or polymer melts
    • C08F6/28—Purification
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene

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)
GB36985/57A 1956-12-04 1957-11-27 Improvements in or relating to propylene polymers and their preparation Expired GB871397A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT871397X 1956-12-04

Publications (1)

Publication Number Publication Date
GB871397A true GB871397A (en) 1961-06-28

Family

ID=11330760

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36985/57A Expired GB871397A (en) 1956-12-04 1957-11-27 Improvements in or relating to propylene polymers and their preparation

Country Status (3)

Country Link
BE (1) BE562918A (cg-RX-API-DMAC7.html)
FR (1) FR1195259A (cg-RX-API-DMAC7.html)
GB (1) GB871397A (cg-RX-API-DMAC7.html)

Also Published As

Publication number Publication date
FR1195259A (fr) 1959-11-16
BE562918A (cg-RX-API-DMAC7.html)

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