Compositions – Compositions containing a single chemical reactant or plural... – Organic reactant
Patent
1989-05-16
1992-01-07
Henderson, Christopher
Compositions
Compositions containing a single chemical reactant or plural...
Organic reactant
25218214, 25218229, 525348, C08K 547, C08K 540
Patent
active
050789058
ABSTRACT:
A vulcanization composition for elastomers, the composition comprising, by weight: 0.5 parts to 3 parts mercaptobenzothiazole, 0.5 parts to 3 parts tetramethylthiuram disulfide, 3 parts to 5 parts zinc oxide, 1 part to 3 parts stearic acid, 1 part to 4 parts anti-oxidant, and 1 part to 5 parts vulcanization agent constituted by 0% to 100% sublimated sulfur, 0% to 75% sulfur donor selected from thiurams and dithiomorpholines, and 0% to 50% sulfenamide, with the weight ratio of sulfenamide to sulfur donor lying in the range 1/3 to 1. The invention is applicable to vulcanizing a three-sequence copolymer of styrene-butadiene-styrene mixed with bitumen.
REFERENCES:
patent: 4676922 (1987-06-01), Sommer
Enc. of Polymer Science and Engineering, vol. 2, pp. 185-187, Amino Resins to Casein, John Wiley & Sons.
Gummi-Werkstoffe, Ein Ratgeber fur Anwender, Vogel-Verlag, pp. 53-61, Dr. Phil. Khairi Nagdi.
Ullmanns Enc. der technischen Chemie, vol. 11, Verlag Chemie, p. 450, "Erdol und Erdgas bis Formazanfarbstoffe".
Enc. of Polymer Science and Engineering, vol. 14, pp. 704, 726, 728, 744-745, Radiopaque Polymers to Safety, John Wiley & Sons.
Enc. of Polymer Science and Engineering, vol. 12, pp. 256, 257, 260-272, Reinforced Plastics to Starch, John Wiley & Sons.
Enc. of Polymer Science and Engineering, vol. 14, pp. 740-755, Thermogravimetric Analysis to Wire and Cable Coverings, J. Wiley & Sons.
Journal of Applied Polymer Science, vol. 23, pp. 185-200 (1979).
Million Denis
Trinh Cu C.
Henderson Christopher
Societe Anonyme d'Application des Derives de l'Asphalte
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