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Perfogit SpA
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Perfogit SpA
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Priority to ES208673ApriorityCriticalpatent/ES208673A1/en
Publication of ES208673A1publicationCriticalpatent/ES208673A1/en
Process for the preparation of high polymers from lactams especially the caprolactam characterized in that the lactam is heated in the presence of water at normal pressure and at a temperature lower than 200ºC and the product thus obtained is heated to the polymerization temperatures with elimination of water and without any addition of substances other than the monomer lactam. (Machine-translation by Google Translate, not legally binding)
ES208673A1953-03-281953-03-28Procedure for the synthesis of polyamides. (Machine-translation by Google Translate, not legally binding)
ExpiredES208673A1
(en)