BE886647A - Procede pour la preparation de polymeres de l'ethylene a l'etat pulverulent - Google Patents

Procede pour la preparation de polymeres de l'ethylene a l'etat pulverulent

Info

Publication number
BE886647A
BE886647A BE0/203164A BE203164A BE886647A BE 886647 A BE886647 A BE 886647A BE 0/203164 A BE0/203164 A BE 0/203164A BE 203164 A BE203164 A BE 203164A BE 886647 A BE886647 A BE 886647A
Authority
BE
Belgium
Prior art keywords
preparation
ethylene polymers
powder state
powder
polymers
Prior art date
Application number
BE0/203164A
Other languages
English (en)
Original Assignee
Ruhrchemie 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 Ruhrchemie Ag filed Critical Ruhrchemie Ag
Publication of BE886647A publication Critical patent/BE886647A/fr

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
    • C08J3/12—Powdering or granulating
    • 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
    • C08F8/12—Hydrolysis
    • 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
    • C08F2800/00—Copolymer characterised by the proportions of the comonomers expressed
    • C08F2800/20—Copolymer characterised by the proportions of the comonomers expressed as weight or mass percentages
    • 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
    • C08F2810/50—Chemical modification of a polymer wherein the polymer is a copolymer and the modification is taking place only on one or more of the monomers present in minority
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene

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)
  • Paints Or Removers (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Developing Agents For Electrophotography (AREA)
BE0/203164A 1979-12-19 1980-12-12 Procede pour la preparation de polymeres de l'ethylene a l'etat pulverulent BE886647A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2951122A DE2951122C2 (de) 1979-12-19 1979-12-19 Verfahren zur Herstellung pulverförmiger Ethylenpolymerisate und Äthylenmischpolymerisate

Publications (1)

Publication Number Publication Date
BE886647A true BE886647A (fr) 1981-06-12

Family

ID=6088928

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/203164A BE886647A (fr) 1979-12-19 1980-12-12 Procede pour la preparation de polymeres de l'ethylene a l'etat pulverulent

Country Status (11)

Country Link
US (1) US4446311A (fr)
JP (1) JPS5830332B2 (fr)
BE (1) BE886647A (fr)
CA (1) CA1185746A (fr)
DE (1) DE2951122C2 (fr)
ES (1) ES8200382A1 (fr)
FR (1) FR2471998B1 (fr)
GB (1) GB2065667B (fr)
IT (1) IT1147075B (fr)
NL (1) NL183142C (fr)
SE (1) SE453919B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59223396A (ja) * 1983-05-30 1984-12-15 住友化学工業株式会社 紙用塗工組成物
JPS6272727A (ja) * 1985-09-26 1987-04-03 Konishiroku Photo Ind Co Ltd 静電像現像用トナ−の製造方法
DE4334846A1 (de) * 1993-10-13 1995-04-20 Basf Ag Verfahren zur Herstellung von Carboxylgruppen-haltigen Copolymerisaten des Ethylens
DE19855058A1 (de) * 1998-11-28 2000-06-15 Goldschmidt Ag Th Mikronisierte Polyolefine zur Herstellung von Pigmentkonzentraten
US7722821B2 (en) * 2004-11-17 2010-05-25 Chemplax Industries, Inc. Sample cup for use in X-ray spectroscopy with internal overflow reservoir
EP3181599A1 (fr) * 2015-12-18 2017-06-21 Borealis AG Nouveau procédé de production d'un copolymère d'éthylène polaire à faible taux de fluidité

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2870113A (en) * 1955-04-06 1959-01-20 Phillips Petroleum Co Method for producing finely divided solid 1-olefin polymer
US3008946A (en) * 1956-05-25 1961-11-14 Nu Plastics Inc Production of polyethylene powder
FR1216560A (fr) * 1957-12-04 1960-04-26 Telegraph Constr & Main Co Procédé et appareil pour la préparation des matières thermoplastiques en poudre,notamment de polyéthylènes
FR1235795A (fr) * 1958-09-08 1960-07-08 Technoplast Spindler A G Procédé pour l'obtention de poudres de polyéthylène sèches, finement divisées et fluides
US2945020A (en) * 1959-08-13 1960-07-12 Armstrong Cork Co Method of forming fine polyethylene powders
BE600514A (fr) * 1960-02-29
DE1181423B (de) * 1960-05-07 1964-11-12 Shigeru Murayama Verfahren zur Herstellung eines Polyaethylen- oder Polypropylenharz-Pulvers mit hohem Reinheitsgrad
US3676419A (en) * 1968-03-04 1972-07-11 Japan Atomic Energy Res Inst Process for producing fine polyethylene powder
US3634385A (en) * 1969-05-16 1972-01-11 Dow Chemical Co Method of deagglomerating polymer particles
US3814737A (en) * 1970-09-30 1974-06-04 Gulf Research Development Co Ethylene-acrylic acid polymers having improved optical characteristics
US3971749A (en) * 1974-03-26 1976-07-27 Hercules Incorporated Method of preparing small particles of polypropylene
JPS5647208B2 (fr) * 1974-11-29 1981-11-09
JPS6418549A (en) 1987-07-15 1989-01-23 Hitachi Ltd Continuous casting apparatus for strip

Also Published As

Publication number Publication date
DE2951122C2 (de) 1982-12-09
SE8008718L (sv) 1981-06-20
NL183142B (nl) 1988-03-01
FR2471998A1 (fr) 1981-06-26
SE453919B (sv) 1988-03-14
DE2951122A1 (de) 1981-07-09
GB2065667A (en) 1981-07-01
ES497287A0 (es) 1981-10-16
NL183142C (nl) 1988-08-01
JPS57119927A (en) 1982-07-26
NL8006702A (nl) 1981-07-16
US4446311A (en) 1984-05-01
GB2065667B (en) 1984-02-29
JPS5830332B2 (ja) 1983-06-28
IT1147075B (it) 1986-11-19
CA1185746A (fr) 1985-04-16
IT8050395A0 (it) 1980-12-17
ES8200382A1 (es) 1981-10-16
FR2471998B1 (fr) 1985-09-06

Similar Documents

Publication Publication Date Title
FR2458561B1 (fr) Procede pour la polymerisation d'ethylene
DE3361031D1 (en) Process for the preparation of film-shaped polymers of pyrroles
DE2966375D1 (en) Process for the preparation of polymer latex
EP0253513A3 (en) Process for the production of polyethylene materials
FR2474039B1 (fr) Procede de preparation de polymeres d'a-olefines
DE3378268D1 (en) Process for the preparation of propene-ethene polymers of the so-called block polymer type
DE2966512D1 (en) Process for the continuous mass polymerisation of alkenylaromatic monomers
DE3175151D1 (en) Reactive polymer and process for the preparation thereof
DE3268168D1 (en) Process for the preparation of polyethylene polyamines
FR2453868B1 (fr) Procede de polymerisation de l'ethylene
DE3063368D1 (en) Polymers and process for their preparation
DE3062861D1 (en) A continuous mass polymerization process for the production of polyblends having a dispersed rubber phase with bimodal rubber particle size
PT71864B (fr) Procede pour la preparation de composes hetherocicliques
FR2468618B1 (fr) Procede pour l'hydrogenation selective de polymeres
BE827206A (fr) Procede de preparation de polymeres d'alphaolefines
JPS5693703A (en) Manufacture of waterrsoluble polymer solid product
BE882067A (fr) Derives de l'acide d-2-hydroxy-4-methylmercaptobutyrique, procede pour leur preparation et utilisation de ces composes
FR2471998B1 (fr) Procede pour la preparation de polymeres de l'ethylene a l'etat pulverulent
BE880902A (fr) Procede de preparation d'un catalyseur pour la production d'oxyde d'ethylene
EG14699A (en) Process for the preparation of amide-containing polymers
FR2474485B1 (fr) Procede et catalyseur pour la production de composes alcenylaromatiques
DE2961539D1 (en) Process for the recuperation of unreacted propylene in bulk polymerization
EP0018595A3 (en) 7-n-heterocyclyl cephalosporins, a process for preparing and a pharmaceutical composition comprising the same
FR2530642B1 (fr) Procede pour la preparation d'initiateurs de polymerisation multifonctionnels
MA18891A1 (fr) Composes d'amino-thiadiazolyle,procede pour leur preparation

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: HOECHST A.G.

Effective date: 19901231