GB663807A - Process for the preparation of a special rubber, from which vulcanised articles having a great stiffness can be produced - Google Patents

Process for the preparation of a special rubber, from which vulcanised articles having a great stiffness can be produced

Info

Publication number
GB663807A
GB663807A GB2682349A GB2682349A GB663807A GB 663807 A GB663807 A GB 663807A GB 2682349 A GB2682349 A GB 2682349A GB 2682349 A GB2682349 A GB 2682349A GB 663807 A GB663807 A GB 663807A
Authority
GB
United Kingdom
Prior art keywords
rubber
dispersion
cyclized
preparation
produced
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
GB2682349A
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.)
Rubber Stichting
Original Assignee
Rubber Stichting
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 Rubber Stichting filed Critical Rubber Stichting
Publication of GB663807A publication Critical patent/GB663807A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L7/00Compositions of natural rubber
    • C08L7/02Latex
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L15/00Compositions of rubber derivatives

Abstract

663,807. Rubber compositions. RUBBERSTICHTING. Oct. 19, 1949 [Dec. 11, 1948], No. 26823/49. Class 70 Rubber having considerable stiffness is obtained by mixing an aqueous dispersion of rubber with an aqueous dispersion of cyclized rubber and then separating the solid constituents from the dispersion or using the dispersion for the direct manufacture of articles. The dispersion of cyclized rubber may be obtained either by cyclizing a dispersion of natural rubber as in Specification 658,520 or by redispersing solid cyclized rubber. In examples, varying proportions of a cyclized rubber latex are added to a rubber latex, both having a rubber content of 60 per cent, and the resulting mixture compounded either with zinc oxide, zinc diethyl dithiocarbamate and sulphur or with zinc oxide, magnesium oxide, benzthiazoldisulphide, diphenyl guanidene, aldol - alpha - naphthylamine stearin, and sulphur. Specification 571,494 also is referred to.
GB2682349A 1948-12-11 1949-10-19 Process for the preparation of a special rubber, from which vulcanised articles having a great stiffness can be produced Expired GB663807A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL143790 1948-12-11

Publications (1)

Publication Number Publication Date
GB663807A true GB663807A (en) 1951-12-27

Family

ID=19750463

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2682349A Expired GB663807A (en) 1948-12-11 1949-10-19 Process for the preparation of a special rubber, from which vulcanised articles having a great stiffness can be produced

Country Status (5)

Country Link
BE (1) BE491233A (en)
CH (1) CH287221A (en)
DE (1) DE807030C (en)
GB (1) GB663807A (en)
NL (1) NL69586C (en)

Also Published As

Publication number Publication date
BE491233A (en)
DE807030C (en) 1951-06-25
NL69586C (en)
CH287221A (en) 1952-11-30

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