BE815357A - Procede pour realiser une degradation menagee de polymeres de proprlene - Google Patents

Procede pour realiser une degradation menagee de polymeres de proprlene

Info

Publication number
BE815357A
BE815357A BE144589A BE144589A BE815357A BE 815357 A BE815357 A BE 815357A BE 144589 A BE144589 A BE 144589A BE 144589 A BE144589 A BE 144589A BE 815357 A BE815357 A BE 815357A
Authority
BE
Belgium
Prior art keywords
proprlene
polymers
achieving
degradation
clean
Prior art date
Application number
BE144589A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE815357A publication Critical patent/BE815357A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/14—Peroxides
    • 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

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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Polymerisation Methods In General (AREA)
BE144589A 1973-05-21 1974-05-21 Procede pour realiser une degradation menagee de polymeres de proprlene BE815357A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/362,134 US3940379A (en) 1973-05-21 1973-05-21 Process for controlled degradation of propylene polymers

Publications (1)

Publication Number Publication Date
BE815357A true BE815357A (fr) 1974-11-21

Family

ID=23424815

Family Applications (1)

Application Number Title Priority Date Filing Date
BE144589A BE815357A (fr) 1973-05-21 1974-05-21 Procede pour realiser une degradation menagee de polymeres de proprlene

Country Status (7)

Country Link
US (1) US3940379A (xx)
JP (1) JPS5928207B2 (xx)
BE (1) BE815357A (xx)
CA (1) CA1043946A (xx)
DE (1) DE2424617B2 (xx)
FR (1) FR2230665B1 (xx)
GB (1) GB1448349A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5447985A (en) * 1993-10-28 1995-09-05 Akzo Nobel N.V. Modification of (CO)polymers with unsaturated peroxyacids

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2297713A1 (fr) * 1975-01-17 1976-08-13 Telecommunications Sa Procede d'introduction
US4087486A (en) * 1975-05-15 1978-05-02 Standard Oil Company (Indiana) Polypropylene composition containing EPR
JPS5747305A (en) * 1980-09-04 1982-03-18 Sumitomo Chem Co Ltd Modifying method of polypropylene
US4451589A (en) * 1981-06-15 1984-05-29 Kimberly-Clark Corporation Method of improving processability of polymers and resulting polymer compositions
JPS6017111A (ja) * 1983-07-05 1985-01-29 Ube Ind Ltd ポリプロピレン極細繊維の製造方法
US4578430A (en) * 1984-12-19 1986-03-25 Shell Oil Company Controlled degradation or cracking of alpha-olefin polymers
US4677025A (en) * 1985-08-30 1987-06-30 Shell Oil Company Unique molecular weight distribution polybutylene blend and film
US4707524A (en) * 1986-05-06 1987-11-17 Aristech Chemical Corporation Controlled-rheology polypropylene
DE4034134A1 (de) * 1990-10-26 1992-04-30 Hoechst Ag Beidseitig siegelbare, biaxial orientierte polyolefin-mehrschichtfolie mit erhoehtem schrumpf
DE4038935A1 (de) * 1990-12-06 1992-06-11 Hoechst Ag Beidseitig siegelbare, biaxial orientierte polyolefinmehrschichtfolie mit erhoehtem schrumpf und verbesserten barriereeigenschaften
US5198506A (en) * 1991-05-10 1993-03-30 Phillips Petroleum Company High organic peroxide content polypropylene
DE59207030D1 (de) * 1991-05-28 1996-10-10 Hoechst Ag Siegelbare, opake, biaxial orientierte Polypropylen-Mehrschichtfolie, Verfahren zu ihrer Herstellung und ihre Verwendung
US5405917A (en) * 1992-07-15 1995-04-11 Phillips Petroleum Company Selective admixture of additives for modifying a polymer
US5554437A (en) * 1993-04-06 1996-09-10 Hercules Incorporated Gamma-sterilizable barrier fabrics
US5443898A (en) * 1993-06-29 1995-08-22 Fiberweb North America, Inc. Nonwoven webs and method of making same
DE4407643A1 (de) * 1994-03-08 1995-09-14 Deurex Wachs Chemie Gmbh Wiederverwertung und Verarbeitung von polyolefinischen Kunststoffabfällen zu mikronisierten Polyolefinwachsen, mikronisierten Polyolefinharzen und mikronisierten niedermolekularen Polyolefinen
US5574082A (en) * 1995-05-25 1996-11-12 Quantum Chemical Company Propylene polymer compositions having improved color and stabilizers therefor.
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
US20040159972A1 (en) * 2000-08-04 2004-08-19 Koschmieder Stefan U. Propylene polymers having agreeable odor characteristics and shaped articles thereof
AU2001235686A1 (en) * 2000-09-22 2002-04-02 Atofina Peroxide degradation of polymers in the presence of multifunctional stable free radicals
US6803421B2 (en) * 2002-11-12 2004-10-12 Equister Chemicals, Lp High flow filled propylene polymer compositions having improved impact and dimensional properties
JP2006526503A (ja) * 2003-06-05 2006-11-24 キュノ、インコーポレーテッド 一定のレオロジー特性を有するポリオレフィンを用いるフィルタ・エレメントの製造方法
US7255012B2 (en) * 2004-12-01 2007-08-14 Rosemount Inc. Process fluid flow device with variable orifice
US9212432B2 (en) 2007-10-31 2015-12-15 Exxonmobil Chemical Patents Inc. Polypropylene spunbond fibers and methods for making same
CN101903150A (zh) * 2007-12-20 2010-12-01 诺瓦提斯公司 铸塑成型隐形眼镜的方法
EP2113541A1 (en) 2008-04-28 2009-11-04 Borealis AG Adhesive propylene polymer composition suitable for extrusion coating of paper substrates
MY151566A (en) * 2008-09-24 2014-06-13 Novartis Ag Method for cast molding contact lenses.
CN102256696B (zh) * 2008-12-16 2016-06-08 Hrd有限公司 蜡的高剪切氧化
EP2251375A1 (en) 2009-05-07 2010-11-17 Borealis AG Thermoplastic polyolefin compounds with decreased flaming sensitivity
SG177324A1 (en) * 2009-06-23 2012-02-28 Dow Global Technologies Llc Controlled-rheology polypropylene
CN103080149B (zh) * 2010-06-28 2015-07-01 聚合物Crc有限公司 丙烯聚合物的改性
DE102012222991A1 (de) * 2012-12-12 2014-06-12 Henkel Ag & Co. Kgaa Verfahren zur Degradierung von (Co)polymeren
US10316115B2 (en) 2013-12-19 2019-06-11 Dow Global Technologies Llc Process to visbreak propylene-based polymers with C—C initiators
PL3118249T3 (pl) 2015-07-14 2018-04-30 Borealis Ag Kompozyt wzmocniony włóknem
FR3073224B1 (fr) * 2017-11-08 2020-05-22 Arkema France Utilisation de peroxyde d'hydrogene sous forme solide pour modifier la rheologie a l'etat fondu d'un polymere thermoplastique
EP3620475A1 (de) 2018-09-06 2020-03-11 Evonik Operations GmbH Amorphe poly-alpha-olefine und deren verwendung in hot melt zusammensetzungen mit verbesserter versprühbarkeit
CN111205563B (zh) * 2020-03-20 2024-06-14 江苏德威新材料股份有限公司 一种熔喷级聚丙烯及其制备方法和应用
CN115895103A (zh) * 2022-09-15 2023-04-04 兰州理工大学 一种将普通聚丙烯改性为具有高抗冲性能聚丙烯的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2828296A (en) * 1957-02-11 1958-03-25 Eastman Kodak Co Emulsifiable polypropylene wax and manufacture thereof
US3144436A (en) * 1961-01-04 1964-08-11 Du Pont Process for degrading stereoregular polymers
NL297178A (xx) * 1962-08-31 1900-01-01
FR1377951A (fr) * 1963-01-09 1964-11-06 Huels Chemische Werke Ag Procédé pour la dégradation thermique commandée de thermoplastes
US3563972A (en) * 1969-10-15 1971-02-16 Exxon Research Engineering Co Low melt elasticity composition of polypropylene
JPS5148196B2 (xx) * 1972-03-11 1976-12-18

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5447985A (en) * 1993-10-28 1995-09-05 Akzo Nobel N.V. Modification of (CO)polymers with unsaturated peroxyacids

Also Published As

Publication number Publication date
FR2230665A1 (xx) 1974-12-20
JPS5021053A (xx) 1975-03-06
JPS5928207B2 (ja) 1984-07-11
DE2424617B2 (de) 1980-07-10
DE2424617A1 (de) 1974-12-12
CA1043946A (en) 1978-12-05
FR2230665B1 (xx) 1978-12-01
GB1448349A (en) 1976-09-02
US3940379A (en) 1976-02-24

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