ES284433A1 - Procedure to improve the tenancability of fibers and modeled articles of polypropylene (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure to improve the tenancability of fibers and modeled articles of polypropylene (Machine-translation by Google Translate, not legally binding)
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Nippon Rayon Co Ltd
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Nippon Rayon Co Ltd
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Priority to ES284433ApriorityCriticalpatent/ES284433A1/en
Publication of ES284433A1publicationCriticalpatent/ES284433A1/en
Process for improving the dyeability of the fibers and patterned articles of polypropylene, characterized in that the polypropylene is mixed with more than 0.01%, preferably from 0.02 to 20% by weight of polypropylene, of, at least one compound selected from the groups consisting of bis-amides and bis-urethanes represented by the following formula: R1X1R2X2R3, where R1 and R3 represent the alkyl group, R2 represents the alkylene group and X1 and X2 represent the groups -NHCO-, -CONH-, -NHCOO- or -COONH-, and then the fibers and patterned articles are produced from the mixed polypropylene and they undergo treatment with at least one of the inorganic and organic acids. (Machine-translation by Google Translate, not legally binding)
ES284433A1963-01-221963-01-22Procedure to improve the tenancability of fibers and modeled articles of polypropylene (Machine-translation by Google Translate, not legally binding)
ExpiredES284433A1
(en)
A method for obtaining a composition of polymers comprising the mixing of a selected polymer (Machine-translation by Google Translate, not legally binding)
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