Journal of the Chemical Society, Part 1The Society., 1947 |
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Page 256
... polymerisation at the lowest temperatures , whereas a free - radical process would be inevitably slowed down by extreme cold . Some suggestions about the termination mechanism are contained in the next paper . The authors wish to ...
... polymerisation at the lowest temperatures , whereas a free - radical process would be inevitably slowed down by extreme cold . Some suggestions about the termination mechanism are contained in the next paper . The authors wish to ...
Page 257
... polymerisation on monomer concentration and the fact that polymerisation ceases before all the monomer has been polymerised , and this suggests that the monohydrate ionises unimolecularly to give a proton which immediately initiates a ...
... polymerisation on monomer concentration and the fact that polymerisation ceases before all the monomer has been polymerised , and this suggests that the monohydrate ionises unimolecularly to give a proton which immediately initiates a ...
Page 262
... polymerisation ( see Fig . 6 ) . It may seem , on the other hand , plausible to generalise from the example of titanic chloride to all the weaker catalysts ; but this point has not yet been investigated . In any case the gradation in ...
... polymerisation ( see Fig . 6 ) . It may seem , on the other hand , plausible to generalise from the example of titanic chloride to all the weaker catalysts ; but this point has not yet been investigated . In any case the gradation in ...
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Common terms and phrases
acetic anhydride acetone acetyl added alkaline Amer amidine amine ammonia ammonium aqueous sodium atoms benzene boiling bromide Calc CH₂ charcoal Chem chloroform colourless needles compound concentrated hydrochloric acid condensation cooled crystallised crystallised from alcohol crystals cyanide decomp derivative diazotised dilute dissolved distilled dried ester ethyl acetate experimental extracted with ether filtered filtrate formed Found fraction gave give m. p. H₂O heated hydrochloric acid hydrogen chloride hydrolysis iodide isolated light petroleum m. p. and mixed methanol Methiodide method methyl alcohol minutes mixed m. p. molecular molecule nitration nitric acid obtained oxidation pale yellow petroleum b. p. phenyl picrate polymer polymerisation potassium precipitate prepared prisms pyridine reduced pressure refluxed removed requires residue room temperature salt separated sodium carbonate sodium hydroxide solid soluble solvent stirred structure substance sulphate sulphide sulphone sulphuric acid washed yellow needles yield