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Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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Publication date
Application filed by Imperial Chemical Industries LtdfiledCriticalImperial Chemical Industries Ltd
Priority to ES367162ApriorityCriticalpatent/ES367162A1/en
Publication of ES367162A1publicationCriticalpatent/ES367162A1/en
Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products
(AREA)
Abstract
Process for the production of a foamed thermoplastic, characterized in that the pressure of a pressed homogenous mixture is released from the molten thermoplastic and a system of blowing agents comprising a first expansion agent completely miscible with the molten thermoplastic at said pressure, and a second blowing agent having a solubility of at least 0.01% by weight in the thermoplastic and a critical temperature lower than the temperature of the homogeneous mixture at the point where the release of said pressure begins. (Machine-translation by Google Translate, not legally binding)
ES367162A1969-05-131969-05-13
PROCEDURE FOR THE PRODUCTION OF A FOAMED THERMOPLASTIC.
ExpiredES367162A1
(en)
Procedure for the obtaining of foamable mixtures capable of transforming in polyamide foams. (Machine-translation by Google Translate, not legally binding)
Procedure to produce materials foamed resistant to compression very resistant to heat, based on mixtures of bituminous mass and synthetic resins. (Machine-translation by Google Translate, not legally binding)
Improvements in the manufacture by extrusion of profiles and plates of cellular thermoplastic materials. (Machine-translation by Google Translate, not legally binding)
Improvements in the extrusion processes of bars and profiles of thermoplastic materials. (Machine-translation by Google Translate, not legally binding)