GB949054A - Improvements relating to the polymerisation of unsaturated esters - Google Patents

Improvements relating to the polymerisation of unsaturated esters

Info

Publication number
GB949054A
GB949054A GB2772360A GB2772360A GB949054A GB 949054 A GB949054 A GB 949054A GB 2772360 A GB2772360 A GB 2772360A GB 2772360 A GB2772360 A GB 2772360A GB 949054 A GB949054 A GB 949054A
Authority
GB
United Kingdom
Prior art keywords
alcohol
aluminium
methyl
ethyl
esters
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
GB2772360A
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.)
WR Grace and Co
Original Assignee
WR Grace and Co
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 WR Grace and Co filed Critical WR Grace and Co
Publication of GB949054A publication Critical patent/GB949054A/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
    • C08F18/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid
    • C08F18/02—Esters of monocarboxylic acids
    • C08F18/04—Vinyl esters
    • 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
    • C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
    • C08F20/10—Esters

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)
  • Polymerization Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Polymers of vinyl esters e.g. vinyl acetate, and esters of acrylic acids are made by subjecting the ester to the action of a catalyst consisting essentially of a trialkyl aluminium or dialkyl aluminium chloride in which the alkyl groups have 1 to 8 carbon atoms, and an alcohol which is either an alkenol in which the unsaturation is more than 2 carbon atoms removed from the hydroxyl group, or an alkanol of the formula CnHm(OH)x, where n=1 to 4, m=2n+2-x and x=1, 2, or 3, and which contains in solution 0.004-0.04 cc. of oxygen (as measured at 0 DEG C. and 760 mm. of pressure) per cc. of alcohol. The polymerization is preferably effected in an inert hydrocarbon or halogensubstituted hydrocarbon medium. The esters of acrylic acid may be ethylene glycol dimethacrylate, polyethylene glycol dimethacrylate, methyl methacrylate, methyl alphaethacrylate, ethyl alphapropacrylate, propylene glycol di-alpha-ethacrylate, ethyl alphaphenylacrylate, methyl alpha-chloroacrylate, ethyl alpha-cyclohexylacrylate, or methyl alphadecylacrylate. The preferred aluminium alkyls are trimethyl, triethyl, tripropyl, triisopropyl, tributyl, triamyl, triisoamyl, trihexyl, triisohexyl, triheptyl, and trioctyl aluminium and the corresponding dialkyl aluminium chlorides. The alcohol may be oleyl alcohol, undecylenyl alcohol, 4-hexen -1- ol, 1-penten -5-ol, 4-octen -1- ol, 3-buten -1- ol, methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, isobutyl alcohol, 2-butanol, t-butyl alcohol, amyl alcohol, isoamyl alcohol, t-amyl alcohol, s-amyl alcohol, n-hexyl alcohol, n-heptyl alcohol, n-octyl alcohol, n-nonyl alcohol, n-decyl alcohol, n-undecyl alcohol, lauryl alcohol and myristyl alcohol. When the alcohols are commercial products they all contain dissolved oxygen in amounts within the range previously specified. The polymers are purified by conventional techniques e.g. methanol and/or aqueous hydrochloric acid.
GB2772360A 1960-02-08 1960-08-10 Improvements relating to the polymerisation of unsaturated esters Expired GB949054A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US710660A 1960-02-08 1960-02-08

Publications (1)

Publication Number Publication Date
GB949054A true GB949054A (en) 1964-02-12

Family

ID=21724248

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2772360A Expired GB949054A (en) 1960-02-08 1960-08-10 Improvements relating to the polymerisation of unsaturated esters

Country Status (3)

Country Link
DE (1) DE1157784B (en)
FR (1) FR1276544A (en)
GB (1) GB949054A (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE878560C (en) * 1950-06-22 1953-06-05 Karl Dr Ziegler Process for the polymerization and interpolymerization of olefins

Also Published As

Publication number Publication date
DE1157784B (en) 1963-11-21
FR1276544A (en) 1961-11-17

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