ES303610A3 - Procedure to improve the properties of polyesters of high molecular weight (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure to improve the properties of polyesters of high molecular weight (Machine-translation by Google Translate, not legally binding)
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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La Seda de Barcelona SA
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La Seda de Barcelona SA
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Priority to ES303610ApriorityCriticalpatent/ES303610A3/en
Publication of ES303610A3publicationCriticalpatent/ES303610A3/en
Process for improving the properties of high molecular weight polyesters resulting from the reaction of polyacids with polyalcohols, especially polyethylene terephthalate articles, by brief treatment of the articles at temperatures above 200º, preferably above 220º C, with reacting compounds chemically in these conditions with the surface of said articles, characterized in that, at the same time as this treatment, a dyeing of the polyester article is carried out by adding dispersion dyes or basic dyes to the treatment agent. (Machine-translation by Google Translate, not legally binding)
ES303610A1964-08-191964-08-19Procedure to improve the properties of polyesters of high molecular weight (Machine-translation by Google Translate, not legally binding)
ExpiredES303610A3
(en)
A procedure for the manufacture of articles consisting essentially of polycarbonate resin. (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of a solid compound of a method of transition resulting from the reaction of a composite of a transition metal with the hydroxychloride of a divalent metal. (Machine-translation by Google Translate, not legally binding)
Improved procedure for the treatment of fibrous materials or synthetic linear polyesters (Machine-translation by Google Translate, not legally binding)
A procedure for the manufacture of additive substances for the obtaining of irish colorations on thermoplastic plates (Machine-translation by Google Translate, not legally binding)