GB830742A - Polymerisation process - Google Patents

Polymerisation process

Info

Publication number
GB830742A
GB830742A GB2963155A GB2963155A GB830742A GB 830742 A GB830742 A GB 830742A GB 2963155 A GB2963155 A GB 2963155A GB 2963155 A GB2963155 A GB 2963155A GB 830742 A GB830742 A GB 830742A
Authority
GB
United Kingdom
Prior art keywords
polymerization
catalyst
hydrochloric acid
catalysts
chloride
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
GB2963155A
Inventor
Alaric Louis Jeffrey Raum
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.)
Distillers Co Yeast Ltd
Distillers Co Ltd
Original Assignee
Distillers Co Yeast Ltd
Distillers 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
Priority to NL210951D priority Critical patent/NL210951A/xx
Priority to DENDAT1072807D priority patent/DE1072807B/en
Priority to NL101255D priority patent/NL101255C/xx
Application filed by Distillers Co Yeast Ltd, Distillers Co Ltd filed Critical Distillers Co Yeast Ltd
Priority to GB2963155A priority patent/GB830742A/en
Priority to GB33949/55A priority patent/GB801401A/en
Priority to GB3561756A priority patent/GB844769A/en
Priority to US612948A priority patent/US3057841A/en
Priority to FR1161213D priority patent/FR1161213A/en
Priority to US636524A priority patent/US3057836A/en
Priority to FR1172352D priority patent/FR1172352A/en
Priority to DED24927A priority patent/DE1111393B/en
Publication of GB830742A publication Critical patent/GB830742A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

Abstract

Catalysts for the polymerization of ethylene (see Group IV (a)) are formed by mixing lithium borohydride with a titanium, zirconium or vanadium halide, e.g. a chloride such as the tri- or tetra-chloride, and preferred molar ratios are specified. The catalyst formation is preferably effected in an inert medium such as pentane, hexane, cyclohexane, tetrahydronaphthalene, decahydronaphthalene, paraffins, benzene, xylene, dichlorobenzene, chlorinated naphthalene, petroleum ether or mixtures thereof. After polymerization the catalysts may be destroyed with ethanol, hydrochloric acid or ethanolic hydrochloric acid. Specification 827,464 also is referred to.ALSO:Ethylene is polymerized with a catalyst formed by mixing lithium borohydride with a titanium, zirconium or vanadium halide, e.g. a chloride such as the tri- or tetrachloride, and preferred molar ratios of the catalyst components are specified. The catalyst formation and the polymerization are preferably effected in the absence of oxygen, carbon dioxide and water and desirably in an inert medium such as pentane, hexane, cyclohexane, tetrahydronaphthalene, decahydronaphthalene, the higher paraffins, benzene, xylene, dichlorobenzene, chlorinated naphthalene, sodium dried petroleum ether or mixtures thereof. The polymerization may be batchwise or continuous and optionally the catalyst may be formed in situ. In examples ethylene is added intermittently, and catalysts are destroyed and the products purified with ethanol, hydrochloric acid or ethanolic hydrochloric acid. The products are linear and may be formed into films, fibres or moulded articles. Specification 827,464 also is referred to.
GB2963155A 1955-10-18 1955-10-18 Polymerisation process Expired GB830742A (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
NL210951D NL210951A (en) 1955-10-18
DENDAT1072807D DE1072807B (en) 1955-10-18 Process for the production of polyethylene
NL101255D NL101255C (en) 1955-10-18
GB2963155A GB830742A (en) 1955-10-18 1955-10-18 Polymerisation process
GB33949/55A GB801401A (en) 1955-10-18 1955-11-26 Polymerisation process
GB3561756A GB844769A (en) 1955-10-18 1956-02-17 Polymerisation process
US612948A US3057841A (en) 1955-10-18 1956-10-01 Polymerisation of ethylene with lithium borohydride and group ivb metal halides
FR1161213D FR1161213A (en) 1955-10-18 1956-10-16 Polyethylene production process
US636524A US3057836A (en) 1955-10-18 1957-01-28 Polymerisation process
FR1172352D FR1172352A (en) 1955-10-18 1957-02-15 Polymerization process
DED24927A DE1111393B (en) 1955-10-18 1957-02-15 Process for the polymerization of olefinically unsaturated hydrocarbons

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2963155A GB830742A (en) 1955-10-18 1955-10-18 Polymerisation process

Publications (1)

Publication Number Publication Date
GB830742A true GB830742A (en) 1960-03-16

Family

ID=10294608

Family Applications (2)

Application Number Title Priority Date Filing Date
GB2963155A Expired GB830742A (en) 1955-10-18 1955-10-18 Polymerisation process
GB3561756A Expired GB844769A (en) 1955-10-18 1956-02-17 Polymerisation process

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB3561756A Expired GB844769A (en) 1955-10-18 1956-02-17 Polymerisation process

Country Status (1)

Country Link
GB (2) GB830742A (en)

Also Published As

Publication number Publication date
GB844769A (en) 1960-08-17

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