GB651657A - A process for the concentration of partially polymerised esters - Google Patents

A process for the concentration of partially polymerised esters

Info

Publication number
GB651657A
GB651657A GB10494/48A GB1049448A GB651657A GB 651657 A GB651657 A GB 651657A GB 10494/48 A GB10494/48 A GB 10494/48A GB 1049448 A GB1049448 A GB 1049448A GB 651657 A GB651657 A GB 651657A
Authority
GB
United Kingdom
Prior art keywords
phases
polymer
isopropanol
liquids
ester
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
GB10494/48A
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.)
Bataafsche Petroleum Maatschappij NV
Original Assignee
Bataafsche Petroleum Maatschappij NV
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 Bataafsche Petroleum Maatschappij NV filed Critical Bataafsche Petroleum Maatschappij NV
Publication of GB651657A publication Critical patent/GB651657A/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
    • C08F18/08—Vinyl acetate

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)

Abstract

Polymers of a polymerizable organic ester which, when completely polymerized, gives rise to cross linkage between polymer molecules, are concentrated by contacting a partial polymer of the ester with a mixture of two liquids so as to form two phases, the proportion in which the polymer is divided between the two phases being different from the proportion in which the unpolymerized ester is divided between the two phases and separating the two phases. The process is particularly applicable to diallyl phthalate which preferably is polymerized to an extent of from 20 to 40 per cent. The two liquids may be acetone and water, benzene and isopropanol, acetone and isopropanol, methyl ethyl ketone and water, methyl ethyl ketone and isopropanol, or toluene and methyl alcohol. After separation of the two phases the lower phase, which contains most of the polymer, may be treated with a fresh quantity of a mixture of the same two liquids again to form two phases, and the phases formed then separated.
GB10494/48A 1947-04-21 1948-04-15 A process for the concentration of partially polymerised esters Expired GB651657A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US651657XA 1947-04-21 1947-04-21

Publications (1)

Publication Number Publication Date
GB651657A true GB651657A (en) 1951-04-04

Family

ID=22060759

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10494/48A Expired GB651657A (en) 1947-04-21 1948-04-15 A process for the concentration of partially polymerised esters

Country Status (4)

Country Link
BE (1) BE481995A (en)
DE (1) DE840762C (en)
FR (1) FR965013A (en)
GB (1) GB651657A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE590472A (en) * 1959-05-06
DE1123111B (en) * 1960-10-26 1962-02-01 Goldschmidt Ag Th Process for the polymerization of allyl esters of saturated polybasic acids
CH431998A (en) * 1963-10-25 1967-03-15 Ciba Geigy Process for the preparation of solutions of prepolymers of a diallyl phthalate

Also Published As

Publication number Publication date
DE840762C (en) 1952-06-23
FR965013A (en) 1950-08-31
BE481995A (en)

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