Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1996-09-06
1998-02-10
Cain, Edward J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524386, 524387, 524388, 524492, 524495, C08K 300
Patent
active
057170223
ABSTRACT:
A rubber mixture, in particular for the tread of a tire, based on at least one polymer that is from the group of diene rubbers and respectively contains 5 to 100 parts by weight finely distributed, precipitated silicic acid, 0 to 80 parts by weight carbon black, if need be 0.2 to 10 parts by weight silane coupling agent, and 0.5 to 20 parts by weight of at least one non-aromatic, viscosity-reducing substance with regard to 100 parts by weight rubber. The viscosity-reducing, non-aromatic substance is based exclusively on the elements carbon, hydrogen, and oxygen and has a region with at least two hydroxyl groups that exist in the form of 1,2-diol or 1,3-diol, and a region of at least two chemically bonded carbon atoms, wherein neither the chemically bonded carbon atoms nor their chemically bonded neighboring carbon atoms are substituted with oxygen.
REFERENCES:
patent: 2059448 (1936-11-01), Epstein et al.
patent: 2760632 (1956-08-01), Hillyer
patent: 3445189 (1969-05-01), Maat et al.
Dunnom, "Use of Reinforcing Silicas", Rubber Age (Aug. 1968).
Dannenberg, "Effects of Surface Chemical Interactions on Properties of Filler Reinforced Rubber", Rubber Chemistry & Tech., 1975.
Dannenberg, "The Effects of Surface Chemical Interactions on the Properties of Filler-Reinforced Rubbers", Rubber Chemistry and Technology, vol. 41/3, pp. 410-461 (1975).
Dunnom, "Use of Reinforcing Silicas", Rubber Age, pp. 49-57, May 1968.
Wagner, "Reinforcing Silicas and Silicates", Rubber Chemistry and Technology, vol. 49/3, pp. 703-774 (1976).
Chemical Abstracts, vol. 111, No. 20, Abstract No. 176436, published Nov. 13, 1989.
A European Search Report.
Australian Examination Report.
Beckmann Otto
Bertrand Joachim
Teves Reinhard
Cain Edward J.
Semperit Reifen AG
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