CA1280543C - Polypropylene with free-end long chain branching, process for making it, and use thereof - Google Patents

Polypropylene with free-end long chain branching, process for making it, and use thereof

Info

Publication number
CA1280543C
CA1280543C CA 500704 CA500704A CA1280543C CA 1280543 C CA1280543 C CA 1280543C CA 500704 CA500704 CA 500704 CA 500704 A CA500704 A CA 500704A CA 1280543 C CA1280543 C CA 1280543C
Authority
CA
Canada
Prior art keywords
polypropylene
free
propylene polymer
gel
less
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 - Lifetime
Application number
CA 500704
Other languages
English (en)
French (fr)
Inventor
B. Joseph Scheve
Anthony J. Denicola, Jr.
John W. Mayfield
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.)
Basell North America Inc
Original Assignee
Himont 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27105873&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA1280543(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Himont Inc filed Critical Himont Inc
Application granted granted Critical
Publication of CA1280543C publication Critical patent/CA1280543C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F110/00Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/04Monomers containing three or four carbon atoms
    • C08F110/06Propene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00Chemical modification by after-treatment
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00Chemical modification by after-treatment
    • C08F8/50Partial depolymerisation
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S522/00Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S522/915Synthetic resins or natural rubbers -- part of the class 520 series involving inert gas, steam, nitrogen gas, or carbon dioxide
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31855Of addition polymer from unsaturated monomers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Materials For Medical Uses (AREA)
  • Prostheses (AREA)
  • Artificial Filaments (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
  • Pens And Brushes (AREA)
CA 500704 1985-01-31 1986-01-30 Polypropylene with free-end long chain branching, process for making it, and use thereof Expired - Lifetime CA1280543C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US69679985A 1985-01-31 1985-01-31
US696,799 1985-01-31
US81939586A 1986-01-16 1986-01-16
US819,395 1986-01-16

Publications (1)

Publication Number Publication Date
CA1280543C true CA1280543C (en) 1991-02-19

Family

ID=27105873

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 500704 Expired - Lifetime CA1280543C (en) 1985-01-31 1986-01-30 Polypropylene with free-end long chain branching, process for making it, and use thereof

Country Status (9)

Country Link
US (3) US5731362A (h)
EP (1) EP0190889B2 (h)
CN (1) CN1043148C (h)
AT (1) ATE88196T1 (h)
CA (1) CA1280543C (h)
DE (1) DE3688258T3 (h)
IN (1) IN170549B (h)
NO (1) NO167039C (h)
PT (1) PT81945B (h)

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Also Published As

Publication number Publication date
DE3688258T2 (de) 1993-07-29
US5554668A (en) 1996-09-10
PT81945A (en) 1986-02-01
EP0190889A3 (en) 1986-11-26
EP0190889A2 (en) 1986-08-13
DE3688258D1 (de) 1993-05-19
DE3688258T3 (de) 2001-02-22
EP0190889B1 (en) 1993-04-14
IN170549B (h) 1992-04-11
CN1041769A (zh) 1990-05-02
NO167039C (no) 1991-09-25
PT81945B (pt) 1987-12-30
EP0190889B2 (en) 2000-07-05
NO860330L (no) 1986-08-01
US5731362A (en) 1998-03-24
ATE88196T1 (de) 1993-04-15
US5591785A (en) 1997-01-07
CN1043148C (zh) 1999-04-28
NO167039B (no) 1991-06-17

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