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.)
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Pirelli and C SpA
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Pirelli SpA
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Priority to ES0236150ApriorityCriticalpatent/ES236150A1/en
Publication of ES236150A1publicationCriticalpatent/ES236150A1/en
Processes Of Treating Macromolecular Substances
(AREA)
Abstract
A method for obtaining a vulcanizable mixture based on nitrile rubber, easy to manufacture, suitable for the manufacture of vulcanizates of different hardness degrees and in particular of vulcanizates of hardness comprised between 40 and 70 shore, endowed with suitable mechanical properties, resistant to the swelling action of the mineral oils and which do not alter by inquinamento the same oils, characterized by the fact of forming said mixture essentially integrated by a solid butadiene-nitrile acrylic copolymer of normal molecular weight and a plasticizer constituted by a butadiene-nitrile copolymer low molecular weight acrylic, defined as having a viscosity between 10000 and 3000000 centipoise measured at 30 degrees centigrade. (Machine-translation by Google Translate, not legally binding)
ES0236150A1957-06-061957-06-06A method of obtaining a vulcanizable mixture. (Machine-translation by Google Translate, not legally binding)
ExpiredES236150A1
(en)
A procedure for the manufacture of vulcanized from natural or synthetic rubber or similar materials to the rubber (Machine-translation by Google Translate, not legally binding)