GB962246A - A process for the extraction of atactic fractions from polypropylene - Google Patents

A process for the extraction of atactic fractions from polypropylene

Info

Publication number
GB962246A
GB962246A GB36139/61A GB3613961A GB962246A GB 962246 A GB962246 A GB 962246A GB 36139/61 A GB36139/61 A GB 36139/61A GB 3613961 A GB3613961 A GB 3613961A GB 962246 A GB962246 A GB 962246A
Authority
GB
United Kingdom
Prior art keywords
polypropylene
extraction
atactic
fractions
atactic fractions
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
GB36139/61A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB962246A publication Critical patent/GB962246A/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
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/04—Monomers containing three or four carbon atoms
    • C08F110/06—Propene
    • 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

Abstract

Atactic fractions are removed from polypropylene by extraction with propane and/or propene, at a temperature in the range of +10 DEG C. to -25 DEG C. The propane and/or propene may be mixed with 5 to 40% of a higher boiling hydrocarbon.
GB36139/61A 1960-10-12 1961-10-09 A process for the extraction of atactic fractions from polypropylene Expired GB962246A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS612660 1960-10-12

Publications (1)

Publication Number Publication Date
GB962246A true GB962246A (en) 1964-07-01

Family

ID=5407573

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36139/61A Expired GB962246A (en) 1960-10-12 1961-10-09 A process for the extraction of atactic fractions from polypropylene

Country Status (1)

Country Link
GB (1) GB962246A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2856135A1 (en) * 1977-12-28 1979-07-12 Sumitomo Chemical Co PROCESS FOR SEPARATION OF ATACTICAL POLYMERIZES FROM LIQUID PROPYLENE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2856135A1 (en) * 1977-12-28 1979-07-12 Sumitomo Chemical Co PROCESS FOR SEPARATION OF ATACTICAL POLYMERIZES FROM LIQUID PROPYLENE

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