GB469865A - Improvements in or relating to vulcanisation accelerators and process for their production - Google Patents

Improvements in or relating to vulcanisation accelerators and process for their production

Info

Publication number
GB469865A
GB469865A GB26816/36A GB2681636A GB469865A GB 469865 A GB469865 A GB 469865A GB 26816/36 A GB26816/36 A GB 26816/36A GB 2681636 A GB2681636 A GB 2681636A GB 469865 A GB469865 A GB 469865A
Authority
GB
United Kingdom
Prior art keywords
molecules
acid
examples
condensation
monobutylamine
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
GB26816/36A
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.)
Usines de Melle SA
Original Assignee
Usines de Melle SA
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 Usines de Melle SA filed Critical Usines de Melle SA
Publication of GB469865A publication Critical patent/GB469865A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/29—Compounds containing one or more carbon-to-nitrogen double bonds

Abstract

The vulcanization of rubber is accelerated by the addition to the mix of aliphatic aldehydealiphatic amine condensation products which are made by a process which comprises the condensation of one molecule of amine with two molecules of aldehyde and is characterized by the fact that the reaction is conducted with simultaneous cooling of the reactants, and that the reaction product is separated into its constituent components by fractionation. The condensation which is preferably carried out with vigorous agitation of the reactants, may be conducted at either sub-or super-atmospheric pressure. The most valuable and active fraction is that which has a b.p. of 120 DEG C. and over. This fraction may be used as such or in the form of salts with weak acids such as stearic acid, palmitic acid, oleic acid and ricinoleic acid, made by the addition of the stoichiometric amount of acid. In examples: (1) 2 molecules of monobutylamine are condensed with 4 molecules of butyraldehyde at 0 DEG C. and the product fractionated. The most valuable product distills at 120--180 DEG C.; (2) 2,5 molecules of monobutylamine are condensed with 5 molecules of propanol at - 20 DEG C. The accelerator fraction distills above 120 DEG C. Examples are also given to show the efficiency as accelerators of the two products obtained in examples (1) and (2) above. Specifications 180,978, 265,930, and 265,931, [all in Class 70], are referred to.ALSO:The vulcanization of rubber is accelerated by the addition to the mix of aliphatic aldehydealiphatic amine condensation products which are made by a process which comprises the condensation of one molecule of amine with two molecules of aldehyde and is characterized by the fact that the reaction is conducted with simultaneous cooling of the reactants, and that the reaction product is separated into its constituent components by fractionation. The condensation, which is preferably carried out with vigorous agitation of the reactants may be conducted at either sub- or super-atmospheric pressure. The most valuable and active fraction is that which has a b.p. of 120 DEG C. or over. This fraction may be used as such or in the form of salts with weak acids such as stearic acid, palmitic acid, oleic acid and ricinoleic acid, made by the addition of the stoichiometric amount of acid. In examples; (1) 2 molecules of monobutylamine are condensed with 4 molecules of butyraldehyde at 0 DEG C. and the product fractionated. The most valuable product distills at 120-160 DEG C.; (2) 2.5 molecules of monobutylamine are condensed with 4 molecules of propanal at -20 DEG C. The accelerator fractions distills above 120 DEG C. Examples are also given to show the efficiency as accelerators of the two products obtained in examples (1) and (2) above. Specifications 180,978, 265,930, and 265,931, [all in Class 70], are referred to.
GB26816/36A 1935-10-07 1936-10-02 Improvements in or relating to vulcanisation accelerators and process for their production Expired GB469865A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR469865X 1935-10-07

Publications (1)

Publication Number Publication Date
GB469865A true GB469865A (en) 1937-08-04

Family

ID=8902458

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26816/36A Expired GB469865A (en) 1935-10-07 1936-10-02 Improvements in or relating to vulcanisation accelerators and process for their production

Country Status (1)

Country Link
GB (1) GB469865A (en)

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