IL94719A - Reduction of the content of the dimmer in solutions of ketones A, B, - unsaturated - Google Patents

Reduction of the content of the dimmer in solutions of ketones A, B, - unsaturated

Info

Publication number
IL94719A
IL94719A IL9471990A IL9471990A IL94719A IL 94719 A IL94719 A IL 94719A IL 9471990 A IL9471990 A IL 9471990A IL 9471990 A IL9471990 A IL 9471990A IL 94719 A IL94719 A IL 94719A
Authority
IL
Israel
Prior art keywords
ketone
mixture
weight percent
dimer
monomers
Prior art date
Application number
IL9471990A
Other languages
English (en)
Hebrew (he)
Other versions
IL94719A0 (en
Original Assignee
Nova Petrochemicals Inc
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 Nova Petrochemicals Inc filed Critical Nova Petrochemicals Inc
Publication of IL94719A0 publication Critical patent/IL94719A0/xx
Publication of IL94719A publication Critical patent/IL94719A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/85—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/86—Use of additives, e.g. for stabilisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
IL9471990A 1989-06-19 1990-06-13 Reduction of the content of the dimmer in solutions of ketones A, B, - unsaturated IL94719A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/369,068 US5194528A (en) 1989-06-19 1989-06-19 Dimer reduction

Publications (2)

Publication Number Publication Date
IL94719A0 IL94719A0 (en) 1991-04-15
IL94719A true IL94719A (en) 1994-01-25

Family

ID=23453970

Family Applications (1)

Application Number Title Priority Date Filing Date
IL9471990A IL94719A (en) 1989-06-19 1990-06-13 Reduction of the content of the dimmer in solutions of ketones A, B, - unsaturated

Country Status (6)

Country Link
US (1) US5194528A (ja)
EP (1) EP0404453B1 (ja)
JP (1) JPH0363242A (ja)
CA (1) CA2016593A1 (ja)
DE (1) DE69006783T2 (ja)
IL (1) IL94719A (ja)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2851497A (en) * 1954-10-12 1958-09-09 Celanese Corp Process for converting methyl isopropenyl ketone to its cyclic dimer
US3009005A (en) * 1959-06-12 1961-11-14 Scient Desing Company Inc Chemical process
DE2316697A1 (de) * 1972-04-07 1973-10-11 Leer Koninklijke Emballage Durch einwirken von ultravioletter bestrahlung photozersetzbare polymersubstanz
GB1538436A (en) * 1975-05-12 1979-01-17 Ucb Sa Halogenated photopolymerisable compositions
JPS5661320A (en) * 1979-10-24 1981-05-26 Dainippon Ink & Chem Inc Treatment of crude unsaturated ketone
PT80975B (pt) * 1984-08-17 1987-11-11 Shinetsu Chemical Co Processo para a preparacao de um polimero de vinilo

Also Published As

Publication number Publication date
EP0404453A2 (en) 1990-12-27
EP0404453A3 (en) 1991-10-16
CA2016593A1 (en) 1990-12-20
DE69006783T2 (de) 1995-02-16
DE69006783D1 (de) 1994-03-31
US5194528A (en) 1993-03-16
IL94719A0 (en) 1991-04-15
EP0404453B1 (en) 1994-02-23
JPH0363242A (ja) 1991-03-19

Similar Documents

Publication Publication Date Title
EP0158523B2 (en) Treating an emulsion of one or more monomers
US5412026A (en) High temperature aqueous polymerization process
US4191838A (en) Acryloxy-alkylpropanals and methacryloxy-alkylpropanals
US4053696A (en) Manufacture of vinylpyrrolidone polymers
US4153774A (en) Manufacture of high pressure polyethylene
US3692726A (en) Process for the production of aqueous polymer dispersions which are substantially free from residual monomer
US4129703A (en) Free-radical polymerizations using mixed initiator systems at two thermally distinct polymerization stages
US5194528A (en) Dimer reduction
GB1588879A (en) Process for the free radical polymerisation of ethylenically unsaturated monomers
Farina Chemistry and kinetics of the chain transfer reaction
US4818794A (en) Slightly crosslinked, water-soluble polymaleic acid, its preparation and its use
Chodák et al. Crosslinking of polypropylene in the presence of polyfunctional monomers
DE2756035C2 (ja)
CA2277496A1 (en) Purification of polystyrene recycle streams
EP0032701B1 (en) Copolymerization of styrene-acrylonitrile with cyano-azoalkane initiators
US4275182A (en) Process for the preparation of improved styrene acrylic acid copolymers
US3418300A (en) Inhibition of polymerization
US4361683A (en) Termination of vinyl halide polymerization
US3450615A (en) Photopolymerization using copolymers containing aldehyde groups therein as photoinitiators
Orszulik The use of ultrasound and a thermolabile radical initiator in the polymerization of acrylate monomers
US3222426A (en) Polymerization process using alpha-hydroxycyclohexanone/monocarboxylic acid catalyst system
SU410042A1 (ja)
Petropoulos Kinetics of the photopolymerization of tetraethylene glycol dimethacrylate in the bulk with the use of desyl aryl sulfides as photoinitiators
Ōnishi et al. Some unsymmetrical azo compounds as initiators in radical polymerization
JPS57137308A (en) Production of copolymer

Legal Events

Date Code Title Description
RH Patent void