GB867916A - Vulcanisation of articles made from rubber latex - Google Patents

Vulcanisation of articles made from rubber latex

Info

Publication number
GB867916A
GB867916A GB635457A GB635457A GB867916A GB 867916 A GB867916 A GB 867916A GB 635457 A GB635457 A GB 635457A GB 635457 A GB635457 A GB 635457A GB 867916 A GB867916 A GB 867916A
Authority
GB
United Kingdom
Prior art keywords
latex
compounded
rubber
parts
moulds
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
GB635457A
Inventor
Kenneth Osborne Calvert
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.)
Dunlop Rubber Co Ltd
Original Assignee
Dunlop Rubber Co Ltd
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 Dunlop Rubber Co Ltd filed Critical Dunlop Rubber Co Ltd
Priority to GB635457A priority Critical patent/GB867916A/en
Publication of GB867916A publication Critical patent/GB867916A/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
    • C08K5/04—Oxygen-containing compounds
    • C08K5/14—Peroxides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Rubber articles are made by shaping a rubber latex containing an organic peroxide of formula R,C(CH3)2,O,O,C(CH3)2,R, R being a saturated hydrocarbon radical or an aromatic hydrocarbon radical, and heating to vulcanize the shaped latex. The latex is formed into the desired shape by gelling in a mould, or a former is dipped into the latex and the deposit on the former allowed to dry. Heating may be at 130 DEG -170 DEG C. According to Example 1: ammoniated 60% natural rubber latex was compounded with the antioxidant symm. di-beta-naphthyl-p-phenylenediamine, potassium oleate and 3,1 parts of dicymyl peroxide per 100 parts of rubber. The compounded latex was foamed, by heating in air, to 5 times its volume. Zinc oxide, diphenylguanidine as a gelling modifier, and then sodium silicofluoride, were stirred into the foam, and the foam was poured into moulds to gel. the gelled, foamed latex, removed from the moulds, was heated in steam at 150 DEG C. for 30 mins. and then dried. According to Example 2: 60% natural rubber latex was compounded with an antioxidant 2, 21-methylene bis (4, 41-diethyl-6, 61-ditertiary butyl phenol) and 1,9 parts of dicumyl peroxide per 100 parts of rubber. The compounded latex was cast in 1/16 inch deep moulds, and allowed to dry out at room temperature. The sheets so formed were heated in steam at 150 DEG C., and dried.
GB635457A 1957-02-26 1957-02-26 Vulcanisation of articles made from rubber latex Expired GB867916A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB635457A GB867916A (en) 1957-02-26 1957-02-26 Vulcanisation of articles made from rubber latex

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB635457A GB867916A (en) 1957-02-26 1957-02-26 Vulcanisation of articles made from rubber latex

Publications (1)

Publication Number Publication Date
GB867916A true GB867916A (en) 1961-05-10

Family

ID=9812977

Family Applications (1)

Application Number Title Priority Date Filing Date
GB635457A Expired GB867916A (en) 1957-02-26 1957-02-26 Vulcanisation of articles made from rubber latex

Country Status (1)

Country Link
GB (1) GB867916A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6329444B1 (en) 1998-10-14 2001-12-11 Apex Medical Technologies, Inc. Dip-molded medical devices from cis-1,4-polyisoprene
WO2002008328A1 (en) * 2000-07-21 2002-01-31 Bayer Aktiengesellschaft Method for producing cross-linked rubber particles

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6329444B1 (en) 1998-10-14 2001-12-11 Apex Medical Technologies, Inc. Dip-molded medical devices from cis-1,4-polyisoprene
WO2002008328A1 (en) * 2000-07-21 2002-01-31 Bayer Aktiengesellschaft Method for producing cross-linked rubber particles
US6605671B2 (en) 2000-07-21 2003-08-12 Bayer Aktiengesellschaft Process for the production of cross-linked rubber particles

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