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FR1145326A - Irradiation de polymères - Google Patents

Irradiation de polymères

Info

Publication number
FR1145326A
FR1145326A FR1145326DA FR1145326A FR 1145326 A FR1145326 A FR 1145326A FR 1145326D A FR1145326D A FR 1145326DA FR 1145326 A FR1145326 A FR 1145326A
Authority
FR
France
Prior art keywords
irradiation
polymers
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
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.)
ExxonMobil Technology and Engineering Co
Original Assignee
Exxon Research and Engineering Co
Esso Research and Engineering Co
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 Exxon Research and Engineering Co, Esso Research and Engineering Co filed Critical Exxon Research and Engineering Co
Application granted granted Critical
Publication of FR1145326A publication Critical patent/FR1145326A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/28—Treatment by wave energy or particle radiation
    • 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
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/12—Chemical modification
    • C08J7/123—Treatment by wave energy or particle radiation

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)
FR1145326D 1955-02-16 1956-01-11 Irradiation de polymères Expired FR1145326A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1145326XA 1955-02-16 1955-02-16

Publications (1)

Publication Number Publication Date
FR1145326A true FR1145326A (fr) 1957-10-24

Family

ID=22355803

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1145326D Expired FR1145326A (fr) 1955-02-16 1956-01-11 Irradiation de polymères

Country Status (1)

Country Link
FR (1) FR1145326A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0451804A2 (fr) * 1990-04-13 1991-10-16 MITSUI TOATSU CHEMICALS, Inc. Procédé d'augmentation de poids moléculaire de polypropylène syndiotactique

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0451804A2 (fr) * 1990-04-13 1991-10-16 MITSUI TOATSU CHEMICALS, Inc. Procédé d'augmentation de poids moléculaire de polypropylène syndiotactique
EP0451804A3 (en) * 1990-04-13 1992-09-23 Mitsui Toatsu Chemicals, Incorporated Method for increasing molecular weight of syndiotactic polypropylene
US5200439A (en) * 1990-04-13 1993-04-06 Mitsui Toatsu Chemicals, Inc. Method for increasing intrinsic viscosity of syndiotactic polypropylene

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