GB382755A - Improvements in the manufacture and production of conversion products of rubber - Google Patents

Improvements in the manufacture and production of conversion products of rubber

Info

Publication number
GB382755A
GB382755A GB3031931A GB3031931A GB382755A GB 382755 A GB382755 A GB 382755A GB 3031931 A GB3031931 A GB 3031931A GB 3031931 A GB3031931 A GB 3031931A GB 382755 A GB382755 A GB 382755A
Authority
GB
United Kingdom
Prior art keywords
substances
rubber
conversion products
vulcanized
hydrogenated
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
GB3031931A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB3031931A priority Critical patent/GB382755A/en
Priority to US629081A priority patent/US2016102A/en
Publication of GB382755A publication Critical patent/GB382755A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
    • C08C19/00—Chemical modification of rubber

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Paints Or Removers (AREA)

Abstract

Indiarubber is converted into resinous substances by heating to 200-270 DEG C. in presence of porous, surface-active substances having a slightly acid reaction, such as active carbon and bleaching earths. They are highly reactive, and may be hydrogenated, vulcanized, or converted into water-soluble sulphonic acids by treatment with chlorsulphonic acid in presence of ethyl ether.ALSO:Resinous substances are obtained by heating rubber to 200-270 DEG C. in presence of porous, surface-active substances having a slightly acid reaction. Suitable substances are active carbon and bleaching earths, particularly "Tonsil A.C." Organic solvents such as ethyl ether, cyclohexanone, and decahydronaphthalene may be added to the rubber before treatment. The conversion products are suitable for the preparation of coating compositions, adhesives, &c. They are highly reactive, and may be hydrogenated, sulphonated, or vulcanized.
GB3031931A 1931-08-24 1931-11-02 Improvements in the manufacture and production of conversion products of rubber Expired GB382755A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB3031931A GB382755A (en) 1931-11-02 1931-11-02 Improvements in the manufacture and production of conversion products of rubber
US629081A US2016102A (en) 1931-08-24 1932-08-16 Production of conversion products of rubber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3031931A GB382755A (en) 1931-11-02 1931-11-02 Improvements in the manufacture and production of conversion products of rubber

Publications (1)

Publication Number Publication Date
GB382755A true GB382755A (en) 1932-11-03

Family

ID=10305751

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3031931A Expired GB382755A (en) 1931-08-24 1931-11-02 Improvements in the manufacture and production of conversion products of rubber

Country Status (1)

Country Link
GB (1) GB382755A (en)

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