GB582268A - Product and process for manufacturing rubber - Google Patents

Product and process for manufacturing rubber

Info

Publication number
GB582268A
GB582268A GB15178/44A GB1517844A GB582268A GB 582268 A GB582268 A GB 582268A GB 15178/44 A GB15178/44 A GB 15178/44A GB 1517844 A GB1517844 A GB 1517844A GB 582268 A GB582268 A GB 582268A
Authority
GB
United Kingdom
Prior art keywords
product
carbon
oxide
magnesium
residue
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
GB15178/44A
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.)
Permanente Metals Corp
Original Assignee
Permanente Metals Corp
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 Permanente Metals Corp filed Critical Permanente Metals Corp
Publication of GB582268A publication Critical patent/GB582268A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals

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)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

A product consisting of a finely divided magnesium oxide coated or intimately associated with carbon, suitable for use as a rubber compounding ingredient, is made by reacting magnesium in vapour state with an oxide of carbon such as carbon monoxide. A similar product is obtained as a residue or as the product of back reaction in the process of obtaining magnesium from the oxide by treatment with a carbonaceous reducing agent at a high temperature as described in Specifications 362,835, 381,115 and 448,536, (all in Group II). This residue is ground and air classified to pass a 325 mesh sieve. The product contains 20-70 per cent. of magnesia.ALSO:A rubber compounding ingredient is made by reacting magnesium in vapour state with an oxide of carbon, such as carbon monoxide. The product consists of finely divided magnesium oxide coated or intimately associated with carbon. A similar product is obtained as a residue or as the product of back reaction in the process of obtaining magnesium from the oxide by treatment with a carbonaceous reducing agent at a high temperature as described in Specifications 362,835, 381,115, and 448,536, [all in Group II]. This residue is ground and air classified to pass a 325 mesh sieve. The product contains 20-70 per cent. magnesia. Examples are given showing the improvement in tensile strength and permanent set of mixes containing this product over similar mixes containing ordinary magnesia and semi-reinforcing carbon black.
GB15178/44A 1944-03-20 1944-08-09 Product and process for manufacturing rubber Expired GB582268A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US582268XA 1944-03-20 1944-03-20

Publications (1)

Publication Number Publication Date
GB582268A true GB582268A (en) 1946-11-11

Family

ID=22015473

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15178/44A Expired GB582268A (en) 1944-03-20 1944-08-09 Product and process for manufacturing rubber

Country Status (1)

Country Link
GB (1) GB582268A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2933466A (en) * 1956-06-06 1960-04-19 Bendix Aviat Corp Oil resistant rubber-like material containing a butadiene-acrylonitrile copolymer and calcined magnesia

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2933466A (en) * 1956-06-06 1960-04-19 Bendix Aviat Corp Oil resistant rubber-like material containing a butadiene-acrylonitrile copolymer and calcined magnesia

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