GB288354A - Production of a new rubber sheeting specially for use in the manufacture of boots, shoes or the like - Google Patents

Production of a new rubber sheeting specially for use in the manufacture of boots, shoes or the like

Info

Publication number
GB288354A
GB288354A GB3106626A GB3106626A GB288354A GB 288354 A GB288354 A GB 288354A GB 3106626 A GB3106626 A GB 3106626A GB 3106626 A GB3106626 A GB 3106626A GB 288354 A GB288354 A GB 288354A
Authority
GB
United Kingdom
Prior art keywords
rubber
vulcanization
ozs
lbs
mix
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
GB3106626A
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 GB3106626A priority Critical patent/GB288354A/en
Publication of GB288354A publication Critical patent/GB288354A/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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L21/00—Compositions of unspecified rubbers
    • 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)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

288,354. Broomafield, H. Dec. 7, 1926. Indiarubber compositions.-A non-permeable cellular sheet material suitable for the manufacture of boots &c. consists of raw rubber, fillars such as ground vulcanized rubber, lithopone, zinc oxide, vulcanizing agents, and fibres, with a cell producing agent such as water, ammonim carbonate &c. the mix being compounded without the use of naphtha or other softening agent which causes rupture of the cells. A suitable composition consists of 8 lbs. of rubber, 2 lbs. 8 ozs. of lithopone, 8 ozs. of zinc oxide, 4¢ ozs. of sulphur, 5 lbs. of fibre to which is added 10 per cent. of water. An accelerator is added, the mix is sheeted, and vulcanized at atmospheric pressure at 90‹-120‹ C. The amount of water may be varied to vary the cell formation, the moisture naturally absorbed from the air being sometimes sufficient, or rubber direct from the washing mill or an aqueous rubber paste may be used. The vulcanization may take place in stages, for example a smooth or embossed surface may be formed in a vulcanizing press, and the vulcanization completed without pressure. A film of unvulcanizable rubber may be super. imposed before, during, or after vulcanization. A hard wearing surface may be obtained by moulding a rubber mix, pressing it into contact with the vulcanized cellular sheet, with or without a film of a vulcanizable solution, and press vulcanizing the two sheets together. The cellstructure of the first-made sheet is not destroyed by the second vulcanization.
GB3106626A 1926-12-07 1926-12-07 Production of a new rubber sheeting specially for use in the manufacture of boots, shoes or the like Expired GB288354A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3106626A GB288354A (en) 1926-12-07 1926-12-07 Production of a new rubber sheeting specially for use in the manufacture of boots, shoes or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3106626A GB288354A (en) 1926-12-07 1926-12-07 Production of a new rubber sheeting specially for use in the manufacture of boots, shoes or the like

Publications (1)

Publication Number Publication Date
GB288354A true GB288354A (en) 1928-04-10

Family

ID=10317448

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3106626A Expired GB288354A (en) 1926-12-07 1926-12-07 Production of a new rubber sheeting specially for use in the manufacture of boots, shoes or the like

Country Status (1)

Country Link
GB (1) GB288354A (en)

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