FR1373879A - Method for reducing the molecular weight dispersion zone of polyolefins - Google Patents

Method for reducing the molecular weight dispersion zone of polyolefins

Info

Publication number
FR1373879A
FR1373879A FR946176A FR946176A FR1373879A FR 1373879 A FR1373879 A FR 1373879A FR 946176 A FR946176 A FR 946176A FR 946176 A FR946176 A FR 946176A FR 1373879 A FR1373879 A FR 1373879A
Authority
FR
France
Prior art keywords
polyolefins
reducing
molecular weight
weight dispersion
dispersion zone
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
FR946176A
Other languages
French (fr)
Inventor
Hans Georg Trieschmann
Hans Moeller
Georg Schmidt-Thomee
Christian Alt
Rudolf Herbeck
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.)
BASF SE
Original Assignee
BASF SE
Badische Anilin and Sodafabrik AG
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 BASF SE, Badische Anilin and Sodafabrik AG filed Critical BASF SE
Application granted granted Critical
Publication of FR1373879A publication Critical patent/FR1373879A/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
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/50—Partial depolymerisation
    • 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
    • C08F2810/00—Chemical modification of a polymer
    • C08F2810/10—Chemical modification of a polymer including a reactive processing step which leads, inter alia, to morphological and/or rheological modifications, e.g. visbreaking
FR946176A 1962-08-31 1963-08-30 Method for reducing the molecular weight dispersion zone of polyolefins Expired FR1373879A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEB0068652 1962-08-31
DEB0070866 1963-02-23

Publications (1)

Publication Number Publication Date
FR1373879A true FR1373879A (en) 1964-10-02

Family

ID=25966360

Family Applications (1)

Application Number Title Priority Date Filing Date
FR946176A Expired FR1373879A (en) 1962-08-31 1963-08-30 Method for reducing the molecular weight dispersion zone of polyolefins

Country Status (4)

Country Link
BE (1) BE636816A (en)
FR (1) FR1373879A (en)
GB (1) GB1042178A (en)
NL (1) NL297178A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678024A (en) * 1970-01-05 1972-07-18 Dow Chemical Co Crosslinking of ethylene polymers without a crosslinking agent

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE754562A (en) * 1969-08-09 1971-02-08 Basf Ag PROCESS FOR THE CONTINUOUS PREPARATION OF WAXY POLYETHYLENE AT LOW MOLECULAR WEIGHT FROM SOLID POLYETHYLENE WITH HIGH MOLECULAR WEIGHT
US3940379A (en) * 1973-05-21 1976-02-24 Dart Industries, Inc. Process for controlled degradation of propylene polymers
US3996310A (en) * 1974-08-29 1976-12-07 Exxon Research And Engineering Company Polymers containing non-extractable/non-volatile additives and processes for their preparation
US4639495A (en) * 1981-12-21 1987-01-27 E. I. Du Pont De Nemours And Company Extruding process for preparing functionalized polyolefin polymers
US5079283A (en) * 1990-03-26 1992-01-07 Ferro Corporation Free-radical modified fire-retardant polypropylenes
US6060584A (en) * 1998-05-13 2000-05-09 Eastman Chemical Company Process for the degradation of polyolefins
US6433133B1 (en) 1999-11-16 2002-08-13 Eastman Chemical Company Process for reducing the weight average molecular weight and melt index ratio of polyethylenes and polyethylene products
DE10026579A1 (en) * 2000-05-30 2001-12-06 Basell Polyolefine Gmbh Process for the preparation of propylene polymers suitable for fiber spinning

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678024A (en) * 1970-01-05 1972-07-18 Dow Chemical Co Crosslinking of ethylene polymers without a crosslinking agent

Also Published As

Publication number Publication date
NL297178A (en) 1900-01-01
GB1042178A (en) 1966-09-14
BE636816A (en) 1900-01-01

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