GB1576564A - Process for refining polypropylenes - Google Patents

Process for refining polypropylenes Download PDF

Info

Publication number
GB1576564A
GB1576564A GB7146/78A GB714678A GB1576564A GB 1576564 A GB1576564 A GB 1576564A GB 7146/78 A GB7146/78 A GB 7146/78A GB 714678 A GB714678 A GB 714678A GB 1576564 A GB1576564 A GB 1576564A
Authority
GB
United Kingdom
Prior art keywords
propylene
catalyst
polymer
slurry
alcohol
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
GB7146/78A
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Publication of GB1576564A publication Critical patent/GB1576564A/en
Expired 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
    • C08F6/00Post-polymerisation treatments
    • C08F6/02Neutralisation of the polymerisation mass, e.g. killing the catalyst also removal of catalyst residues

Landscapes

  • 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)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polymerisation Methods In General (AREA)
GB7146/78A 1977-02-25 1978-02-22 Process for refining polypropylenes Expired GB1576564A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2075177A JPS53105587A (en) 1977-02-25 1977-02-25 Method of pufification of high-crystallinity polyolefin

Publications (1)

Publication Number Publication Date
GB1576564A true GB1576564A (en) 1980-10-08

Family

ID=12035882

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7146/78A Expired GB1576564A (en) 1977-02-25 1978-02-22 Process for refining polypropylenes

Country Status (11)

Country Link
US (1) US4182852A (en, 2012)
JP (1) JPS53105587A (en, 2012)
BE (1) BE864305A (en, 2012)
BR (1) BR7801119A (en, 2012)
CA (1) CA1097849A (en, 2012)
DE (1) DE2808064A1 (en, 2012)
FR (1) FR2381791A1 (en, 2012)
GB (1) GB1576564A (en, 2012)
IT (1) IT1102818B (en, 2012)
MX (1) MX147324A (en, 2012)
NL (1) NL186321C (en, 2012)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PH16274A (en) * 1978-12-13 1983-08-26 Sumitomo Chemical Co Molded products of polypropylene
BR7908553A (pt) * 1978-12-28 1980-09-09 Sumitomo Chemical Co Aperfeicoamento em processo para produzir copolimero de propileno
AU527760B2 (en) * 1979-07-16 1983-03-24 Phillips Petroleum Co. Removal of catalyst residues from polymers
JPS5638306A (en) * 1979-09-06 1981-04-13 Sumitomo Chem Co Ltd Preparation of purified propylene polymer or copolymer
US5078786A (en) * 1986-11-26 1992-01-07 Resource Technology Associates Process for recovering metal values from jarosite solids
US5476709A (en) * 1992-06-15 1995-12-19 Mitsui Toatsu Chemicals, Inc. Polymeric insulating material and formed article making use of the material
US5258491A (en) * 1992-09-04 1993-11-02 Eastman Kodak Company Process for preparation of a polyetherketone
KR20010062882A (ko) * 1999-12-20 2001-07-09 유현식 초순수 폴리프로필렌의 제조방법
CN109912734B (zh) * 2019-03-11 2021-06-18 天津科技大学 一种低灰分聚丙烯树脂的生产方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3074921A (en) * 1957-06-14 1963-01-22 Monsanto Chemicals Removal of catalyst residues from solid polymer slurries by multistage countercurrent extraction
DE1173654B (de) * 1958-03-20 1964-07-09 Ruhrchemie Ag Verfahren zur Reinigung von festen, hoch-molekularen Polyolefinen
US3197453A (en) * 1961-07-11 1965-07-27 Phillips Petroleum Co Process for purifying monomer feeds for polymerization processes
FR1378181A (fr) * 1962-10-05 1964-11-13 Phillips Petroleum Co Procédé perfectionné d'extraction de polymérisats d'oléfines
BE758416A (fr) * 1969-11-07 1971-04-16 Snam Progetti Procede pour eliminer les residus de catalyseur metallique des polyethylenes de densite elevee et appareil approprie a la realisation de ce procede
CH543546A (fr) 1971-03-23 1973-10-31 Solvay Système catalytique de polymérisation des alpha-oléfines
JPS5841283B2 (ja) * 1974-01-16 1983-09-10 住友化学工業株式会社 プロピレンの重合体あるいは共重合体の製造方法

Also Published As

Publication number Publication date
NL186321C (nl) 1990-11-01
NL7802088A (nl) 1978-08-29
JPS53105587A (en) 1978-09-13
DE2808064A1 (de) 1978-08-31
IT1102818B (it) 1985-10-07
IT7848154A0 (it) 1978-02-23
US4182852A (en) 1980-01-08
NL186321B (nl) 1990-06-01
BR7801119A (pt) 1978-10-10
BE864305A (fr) 1978-06-16
FR2381791A1 (fr) 1978-09-22
CA1097849A (en) 1981-03-17
FR2381791B1 (en, 2012) 1981-12-11
JPS5731727B2 (en, 2012) 1982-07-06
MX147324A (es) 1982-11-11
DE2808064C2 (en, 2012) 1989-09-21

Similar Documents

Publication Publication Date Title
CA1043942A (en) Process for polymerizing or copolymerizing olefins containing at least 3 carbon atoms
US4307209A (en) Process for production of chemically blended composition of non-elastomeric ethylene resins
US5409875A (en) Polymer-supported catalyst for polymerization and copolymerization of olefins
US4304890A (en) Method for producing propylene copolymers using a catalyst activated prior to copolymerization
EP0282929B2 (en) Method for producing a propylene-alpha-olefin block copolymer
US4686265A (en) Process for polymerization of olefins
JPS6025444B2 (ja) 低密度ポリエチレンの製造方法
CA1140524A (en) CATALYST COMPONENT FOR USE IN .alpha.OLEFIN POLYMERIZATION AND USE THEREOF
US4053697A (en) Process for producing propylene homopolymers and copolymers
US4242230A (en) Catalyst component for use in the polymerization of α-olefins and a method of using the same
US4200717A (en) Preparation of propylene polymer-containing solid titanium trichloride and propylene polymers using same
RU2268896C2 (ru) Высокотекучие пропиленовые блоксополимеры
US4182852A (en) Process for refining a homopolymer of copolymer of propylene
EP0037291A2 (en) Improved process for the production of a propylene-containing block copolymer
US4195145A (en) Process for the purification of highly crystalline polyolefins
US4503159A (en) Polyolefin polymerization process and catalyst
GB1570296A (en) Process for the production of a component of an olefine polymerisation catalyst
CA1097850A (en) Process for producing propylene polymer or copolymer
US4461881A (en) Process for the production of purified propylene homopolymers or copolymers
EP0079389A1 (en) Process for producing propylene polymer or copolymer
JPS6369809A (ja) プロピレン重合法
US3388076A (en) Preparation of titanium catalyst
US4284525A (en) Titanium trichloride catalytic component and method for homo- of co-polymerization of α-olefin
US4563511A (en) Polyolefin polymerization process and catalyst
US3531446A (en) Process for the manufacture of amorphous copolymers from ethylene and higher alpha-olefins in suspension

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19980221