GB437928A - Improvements in or relating to the manufacture of rubber compositions from rubber latex - Google Patents

Improvements in or relating to the manufacture of rubber compositions from rubber latex

Info

Publication number
GB437928A
GB437928A GB1020335A GB1020335A GB437928A GB 437928 A GB437928 A GB 437928A GB 1020335 A GB1020335 A GB 1020335A GB 1020335 A GB1020335 A GB 1020335A GB 437928 A GB437928 A GB 437928A
Authority
GB
United Kingdom
Prior art keywords
rubber
lbs
latex
added
accelerator
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
GB1020335A
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 GB1020335A priority Critical patent/GB437928A/en
Publication of GB437928A publication Critical patent/GB437928A/en
Priority to FR803873D priority patent/FR803873A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/02—Direct processing of dispersions, e.g. latex, to articles
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2307/00—Characterised by the use of natural rubber
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2321/00—Characterised by the use of unspecified rubbers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Vulcanized rubber sheet is made by adding to latex a vulcanizing agent and an accelerator, coagulating, sheeting, and drying at such a temperature that a substantially unvulcanized product is obtained, and maintaining it at atmospheric temperature for a long period, the accelerator being such, and added in such amount that vulcanization proceeds for a period of from one or two weeks to several months. An activator such as zinc oxide, fillers, colouring matter may also be added to the latex, the additions being preferably converted into aqueous dispersions. According to an example, a mix consisting of 100 lbs. of rubber as latex, 3 lbs. of sulphur, 9 lbs. of zinc oxide, 4 oz. of zinc dimethyldithiocarbamate and 8 oz. of colouring matter is coagulated, creped, and dried for 7-10 days at 70-120 DEG F. The dried sheets are laminated and stored for 3-6 months to vulcanize. Another accelerator specified is piperidine pentamethylenedithiocarbamate, which may be added in the proportion of 8 oz. to 100 lbs. of rubber. Such rubber resists ageing, can be joined with cold rubber solution, is very resilient, and resists abrasion and tearing.
GB1020335A 1935-04-02 1935-04-02 Improvements in or relating to the manufacture of rubber compositions from rubber latex Expired GB437928A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1020335A GB437928A (en) 1935-04-02 1935-04-02 Improvements in or relating to the manufacture of rubber compositions from rubber latex
FR803873D FR803873A (en) 1935-04-02 1936-03-30 Improvements in the manufacture of rubber compositions from latex

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1020335A GB437928A (en) 1935-04-02 1935-04-02 Improvements in or relating to the manufacture of rubber compositions from rubber latex

Publications (1)

Publication Number Publication Date
GB437928A true GB437928A (en) 1935-11-07

Family

ID=9963478

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1020335A Expired GB437928A (en) 1935-04-02 1935-04-02 Improvements in or relating to the manufacture of rubber compositions from rubber latex

Country Status (2)

Country Link
FR (1) FR803873A (en)
GB (1) GB437928A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112094445A (en) * 2020-08-31 2020-12-18 三联泵业股份有限公司 Wear-resistant rubber for slurry pump and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112094445A (en) * 2020-08-31 2020-12-18 三联泵业股份有限公司 Wear-resistant rubber for slurry pump and preparation method thereof

Also Published As

Publication number Publication date
FR803873A (en) 1936-10-10

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