BE754562A - Procede de preparation continue de polyethylene cireux a bas poids moleculaire a partir de polyethylene solide a poids moleculaireeleve - Google Patents

Procede de preparation continue de polyethylene cireux a bas poids moleculaire a partir de polyethylene solide a poids moleculaireeleve

Info

Publication number
BE754562A
BE754562A BE754562DA BE754562A BE 754562 A BE754562 A BE 754562A BE 754562D A BE754562D A BE 754562DA BE 754562 A BE754562 A BE 754562A
Authority
BE
Belgium
Prior art keywords
molecular weight
polyethylene
continuous preparation
waxy
high molecular
Prior art date
Application number
Other languages
English (en)
French (fr)
Original Assignee
Basf 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.)
Publication date
Publication of BE754562A publication Critical patent/BE754562A/xx

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
    • C08F8/00Chemical modification by after-treatment
    • C08F8/50Partial depolymerisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Paints Or Removers (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Fertilizers (AREA)
BE754562D 1969-08-09 Procede de preparation continue de polyethylene cireux a bas poids moleculaire a partir de polyethylene solide a poids moleculaireeleve BE754562A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691940686 DE1940686C3 (de) 1969-08-09 1969-08-09 Verfahren zum kontinuierlichen Herstellen von wachsartigem, niedermolekularem Polyäthylen aus festem, hochmolekularem Polyäthylen

Publications (1)

Publication Number Publication Date
BE754562A true BE754562A (fr) 1971-02-08

Family

ID=5742438

Family Applications (1)

Application Number Title Priority Date Filing Date
BE754562D BE754562A (fr) 1969-08-09 Procede de preparation continue de polyethylene cireux a bas poids moleculaire a partir de polyethylene solide a poids moleculaireeleve

Country Status (4)

Country Link
BE (1) BE754562A (enrdf_load_stackoverflow)
DE (1) DE1940686C3 (enrdf_load_stackoverflow)
FR (1) FR2056681A5 (enrdf_load_stackoverflow)
GB (1) GB1310260A (enrdf_load_stackoverflow)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3003768A1 (de) * 1980-02-01 1981-08-06 Ljudmila Konstantinovna Ašichmina Verfahren zur kontinuierlichen herstellung von polyolefinwachs
GB2136437A (en) * 1983-03-07 1984-09-19 Rinne K T I Kabushiki Kaisha Method and equipment for manufacturing paraffin wax-like substances
FR2613721B1 (fr) * 1987-04-07 1992-03-06 Gensac Patrice Procede de fabrication de cires artificielles
KR940005544B1 (ko) * 1990-04-10 1994-06-20 미쓰이세끼유 가가꾸고오교오 가부시끼가이샤 폴리머의 열분해 방법
DE4437754A1 (de) * 1994-10-21 1996-04-25 Basf Ag Verfahren zum thermomechanischen Abbau von Polyolefinen
RU2135521C1 (ru) * 1997-08-19 1999-08-27 Гарифуллин Фарид Исхакович Способ получения низкомолекулярных полиолефинов
US8664458B2 (en) * 2010-07-15 2014-03-04 Greenmantra Recycling Technologies Ltd. Method for producing waxes and grease base stocks through catalytic depolymerisation of waste plastics
CA2898257C (en) 2013-01-17 2021-10-05 Greenmantra Recycling Technologies Ltd. Catalytic depolymerisation of polymeric materials
US10472487B2 (en) 2015-12-30 2019-11-12 Greenmantra Recycling Technologies Ltd. Reactor for continuously treating polymeric material
ES2925008T3 (es) 2016-02-13 2022-10-13 Greenmantra Recycling Tech Ltd Asfalto modificado con polímero con aditivo de cera
CA3015859C (en) 2016-03-24 2024-03-05 Greenmantra Recycling Technologies Ltd. Wax as a melt flow modifier and processing aid for polymers
EP3519487B1 (en) 2016-09-29 2025-07-02 GreenMantra Recycling Technologies Ltd Reactor for treating polystyrene material
DE102018112016B4 (de) 2018-05-18 2022-04-28 Edl Anlagenbau Gesellschaft Mbh Vorrichtung und Verfahren zur thermischen Depolymerisation von polyolefinischen Kunststoffen
US10723858B2 (en) 2018-09-18 2020-07-28 Greenmantra Recycling Technologies Ltd. Method for purification of depolymerized polymers using supercritical fluid extraction
US20250243365A1 (en) * 2024-01-30 2025-07-31 Megh Industria E Comercio Ltda Process for preparing polyethylene and polypropylene polyolefin waxes by thermal depolymerization of polyethylene and polypropylene thermoplastic resins having characteristics of accelerated biodegradability
CN118878968A (zh) * 2024-08-30 2024-11-01 广东泰利新材料科技有限公司 用于热稳定剂的抗高温聚乙烯蜡及其制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3087922A (en) * 1958-05-13 1963-04-30 Phillips Petroleum Co Method and apparatus for pyrolyzing polymers
US3248469A (en) * 1961-08-28 1966-04-26 Phillips Petroleum Co High shear visbreaking method and apparatus
NL297178A (enrdf_load_stackoverflow) * 1962-08-31 1900-01-01
FR1457575A (fr) * 1965-05-11 1966-01-24 Leuna Werke Veb Procédé pour la fabrication de polymérisats d'éthylène et de polymérisats mixtes d'éthylène à faible poids moléculaire et à consistance cireuse ainsi que les polymérisats conformes à ceux obtenus par ledit procédé

Also Published As

Publication number Publication date
FR2056681A5 (enrdf_load_stackoverflow) 1971-05-14
DE1940686B2 (de) 1978-10-19
DE1940686C3 (de) 1982-06-03
DE1940686A1 (de) 1971-02-25
GB1310260A (en) 1973-03-14

Similar Documents

Publication Publication Date Title
BE754562A (fr) Procede de preparation continue de polyethylene cireux a bas poids moleculaire a partir de polyethylene solide a poids moleculaireeleve
CH525279A (fr) Procédé de production d'amylose de bas poids moléculaire
BE858237A (fr) Procede de preparation de composes polyhydroxyles de bas poids moleculaires
BE796009A (fr) Compositions pour la production de mousses de polyethylene reticule
CH513215A (fr) Procédé de préparation de polysaccharides glucopyranniques de bas poids moléculaire
BE776162A (fr) Procede pour la polymerisation d'alcenes
BE778047A (fr) Procede de preparation continue de polycarbonates lineaires de poids moleculaire eleve
SE420523B (sv) Anleggning for transport av vetska
BE756179A (fr) Procede de polymerisation continue d'ethylene
CH558018A (de) Laser-doppler-anemometer.
BE750813A (fr) Procede de production de polymeres en poudres de faible poids specifique, s'ecoulant librement
CH553149A (fr) Procede de preparation d'adamentylamines et utilisation du produit obtenu par ce procede.
NO144171C (no) Polymerprodukt i form av en uhydrogenert eller hydrogenert blokk-kopolymer.
BE813562A (fr) Procede pour imposer le poids moleculaire
BE777443A (fr) Procede de polymerisation d'une isoolefine
RO67193A (fr) Procede pour la preparation du 2,2,6,6-tetramethyle-4-piperydone
NO742019L (no) Anlegg for utporsjonering av væske.
BE756622A (fr) Procede de preparation d'un polyamide entierement aromatique dehaut poids moleculaire
NL155844B (nl) Werkwijze voor de polymerisatie van alfa-alkenen.
NL7411889A (nl) Werkwijze voor de bereiding van kunsthars- massa's.
BE809146A (fr) Procede pour la polymerisation de 2,3-epoxy-butanes 1,4-dihalogeno-substitues
BE822946A (fr) Procede de preparation de polyethylene de poids moleculaire superieur a 500.000
SE382226B (sv) Forfarande for framstellning av en amylosprodukt innehallande minst 50 vikt- % naturlig amylos.
NL7411814A (nl) Werkwijze voor het bereiden van vormmassa's op basis van polybutyleentereftalaat.
BE757475A (fr) Procede de preparation de composes lineaires a poids moleculaire eleve

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BADISCHE ANILIN- & SODAFABRIK A.G.

Effective date: 19890831