CA974699A - Regulation of molecular weight of products obtained by the ring opening polymerisation of cycloolefines - Google Patents

Regulation of molecular weight of products obtained by the ring opening polymerisation of cycloolefines

Info

Publication number
CA974699A
CA974699A CA097,452A CA97452A CA974699A CA 974699 A CA974699 A CA 974699A CA 97452 A CA97452 A CA 97452A CA 974699 A CA974699 A CA 974699A
Authority
CA
Canada
Prior art keywords
cycloolefines
regulation
molecular weight
products obtained
ring opening
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
CA097,452A
Other languages
English (en)
Other versions
CA97452S (en
Inventor
Nikolaus Schon
Gunter Marwede
Josef Witte
Gottfried Pampus
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of CA974699A publication Critical patent/CA974699A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
    • C08G61/02—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes
    • C08G61/04—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms
    • C08G61/06—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms prepared by ring-opening of carbocyclic compounds
    • C08G61/08—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms prepared by ring-opening of carbocyclic compounds of carbocyclic compounds containing one or more carbon-to-carbon double bonds in the ring
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/903—Monomer polymerized in presence of transition metal containing catalyst and hydrocarbon additive affecting polymer properties of catalyst activity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
CA097,452A 1969-11-13 1970-11-05 Regulation of molecular weight of products obtained by the ring opening polymerisation of cycloolefines Expired CA974699A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691957026 DE1957026A1 (de) 1969-11-13 1969-11-13 Molekulargewichtsregelung bei der ringoeffnenden Polymerisation von Cycloolefinen

Publications (1)

Publication Number Publication Date
CA974699A true CA974699A (en) 1975-09-16

Family

ID=5750954

Family Applications (1)

Application Number Title Priority Date Filing Date
CA097,452A Expired CA974699A (en) 1969-11-13 1970-11-05 Regulation of molecular weight of products obtained by the ring opening polymerisation of cycloolefines

Country Status (8)

Country Link
US (1) US3692760A (fr)
BE (1) BE758928A (fr)
CA (1) CA974699A (fr)
DE (1) DE1957026A1 (fr)
ES (1) ES385495A1 (fr)
FR (1) FR2069443A5 (fr)
GB (1) GB1333751A (fr)
NL (1) NL7016598A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3895001A (en) * 1971-04-17 1975-07-15 Bayer Ag Process for the polymerisation of cycloalkenes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL144291B (nl) * 1965-02-11 1974-12-16 Montedison Spa Werkwijze om lineaire homopolymeren van cycloalkenen te bereiden.
US3632849A (en) * 1968-04-06 1972-01-04 Bayer Ag Process for the preparation of trans-polypentenamers
DE1770491C3 (de) * 1968-05-24 1982-07-08 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von trans-Polynentenamer

Also Published As

Publication number Publication date
US3692760A (en) 1972-09-19
ES385495A1 (es) 1973-05-01
DE1957026A1 (de) 1971-05-19
GB1333751A (en) 1973-10-17
FR2069443A5 (fr) 1971-09-03
BE758928A (fr) 1971-04-16
NL7016598A (fr) 1971-05-17

Similar Documents

Publication Publication Date Title
CA1019774A (en) Molecular weight regulation of ethylene-alpha-olefin copolymers
CA1007795A (en) Molecular weight regulation in chloroprene polymers
CA808731A (en) Preparation of high molecular weight polylactides
CA987843A (en) Process for the preparation of hydroperoxide derivatives of polymers
CA1026043A (fr) Polymeres polyimides a poids moleculaire eleve; mode de preparation de ces polymeres
CA931299A (en) Terminally reactive polymers
AU2194070A (en) Conteci of molecular weight and molecular weight distibutions of unsaturated polymers
CA974699A (en) Regulation of molecular weight of products obtained by the ring opening polymerisation of cycloolefines
CA972897A (en) Process for the production of high molecular weight polycondensates
CA952650A (en) Process for the polymerisation of 1,3-butadiene
CA933700A (en) High molecular weight products capable of being cross-linked
CA973125A (en) Process for the modification of thermoplastic high molecular weight compounds
AU1231470A (en) Polymerization of beta-lactones
CA953468A (en) High molecular weight polyethylene shaped articles
CA813782A (en) Process for the preparation of polymerization products of high molecular weight
CA833668A (en) Process for the preparation of polymers of controlled molecular weight
CA846284A (en) Process for the manufacture of branched polyethylene of high molecular weight
CA848510A (en) Production of high molecular weight polyethylenes
CA846906A (en) Production of high molecular weight polyethylenes
CA806742A (en) Polymers of 2,6-xylyl-sulfonates
CA833673A (en) Process for the preparation of ethylene polymers
CA811760A (en) Molecular weight increase of hydroxyl-terminated arylsilsesquioxane polymers
AU446379B2 (en) The polymerisation of vinyl compounds andthe resulting polymers
CA871195A (en) Method of increasing the molecular weight of olefin polymers
CA815112A (en) Molecular weight control of olefin polymers