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Albert Edvard Jens Theilgaard
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Individual
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Polysaccharides And Polysaccharide Derivatives
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(AREA)
Abstract
10,821. Theilgaard, A. E. J. V. J. May 23. India-rubber, devulcanizing. - The material is treated with a solution of sodium sulphide, or other sulphide, or a sulphydrate, which may be heated by steam; the product is washed and dried.
GB189910821D1899-05-231899-05-23Improvements in the Process of Disvulcanizing Caoutchouc, Indiarubber, Gum Elastic, and similar Materials.
ExpiredGB189910821A
(en)
Processes for the Manufacture of Products from Natural Rubber or Caoutchouc or the like and from Synthetic Caoutchouc or Synthetic Caoutchouc-like Substances, and the Products obtained thereby.