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GB604361A - Improvements in or relating to a method for improving the general qualities of rubbers, particularly synthetic rubbers - Google Patents

Improvements in or relating to a method for improving the general qualities of rubbers, particularly synthetic rubbers

Info

Publication number
GB604361A
GB604361A GB7742/45A GB774245A GB604361A GB 604361 A GB604361 A GB 604361A GB 7742/45 A GB7742/45 A GB 7742/45A GB 774245 A GB774245 A GB 774245A GB 604361 A GB604361 A GB 604361A
Authority
GB
United Kingdom
Prior art keywords
rubber
anhydride
rubbers
heating
synthetic rubbers
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
GB7742/45A
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.)
Usines de Melle SA
Original Assignee
Usines de Melle SA
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 Usines de Melle SA filed Critical Usines de Melle SA
Publication of GB604361A publication Critical patent/GB604361A/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
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/16—Halogen-containing compounds
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/32—Phosphorus-containing compounds
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/38—Boron-containing compounds
    • 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
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof

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)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

Synthetic rubbers are modified by adding a small proportion of an organic or inorganic acid chloride or anhydride to the rubber in the substantial absence of a solvent for the rubber, heating the mixture and subsequently vulcanizing. The preferred reagents are acetic, butyric, crotonic, camphoric, benzoic, maleic, succinic, phthalic, pyromucic, tetrahydropyromucic, boric, phosphoric and iodic anhydrides; and acetyl, phthalyl, succinyl, oxalyl, and phosphoryl chlorides. The rubbers may be polymerized butadiene, erythrene, piperylene, or dimethylbutadiene; or neoprene; or a copolymer of butadiene with acrylonitrile, styrene or the ethyl ester of cyanacetic acid. In examples the anhydride or chloride is mixed with the rubber and the mix heated to 120 DEG C. for a period up to 3 hours and then the vulcanizing ingredients comprising sulphur, zinc oxide and an accelerator such as tetramethyl thiuram monosulphide added and the process completed by heating at 135-145 DEG C. for 20 minutes.ALSO:Natural and synthetic rubbers are modified by adding a small proportion of an organic or inorganic acid chloride or anhydride to the rubber in the substantial absence of a solvent for the rubber heating the mixture and subsequently vulcanising. The preferred reagents are acetic, butyric, crotonic, camphoric, benzoic, maleic, succinic, phthalic, pyromucic, tetrahydropyromucic, boric, phosphoric and iodic anhydrides; and acetyl phthalyl, succinyl, oxalyl, and phosphoryl chlorides. The synthetic rubbers may be polymerized butadiene, erythrene, piperylene, or dimethylbutadiene; or neoprene; or a copolymer of butadiene with acrylonitrile styrene or the ethyl ester of cyanacetic acid. In examples the anhydride or chloride is mixed with the rubber and the mix heated to about 120 DEG C. for a period up to 3 hours and then the vulcanising ingredients comprising sulphur, zinc oxide and an accelerator such as tetramethyl thiuram monosulphide added and the process completed by heating at 135-145 DEG C. for about 20 minutes.
GB7742/45A 1941-11-12 1945-03-27 Improvements in or relating to a method for improving the general qualities of rubbers, particularly synthetic rubbers Expired GB604361A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR604361X 1941-11-12

Publications (1)

Publication Number Publication Date
GB604361A true GB604361A (en) 1948-07-02

Family

ID=8973258

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7742/45A Expired GB604361A (en) 1941-11-12 1945-03-27 Improvements in or relating to a method for improving the general qualities of rubbers, particularly synthetic rubbers

Country Status (1)

Country Link
GB (1) GB604361A (en)

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