| 摘要 |
<p>The invention comprises polycondensates obtained by reacting a dihalo hydrocarbon with an aliphatic or heterocyclic di-secondary-amine. The polycondensates may be mixed with a polyolefin to form a dyeable composition which may be melted and extruded to obtain fibres, films and tapes. In examples polycondensates are obtained by reacting piperazine with dichloroethane, 1,3-dibromopropane, 1,6-dichlorohexane, 1,3 - dichloro - 2 - propanol, 1,10-dichlorodecane, and with octadecylchloride and dichloroethane, by reacting trans-2,5-dimethyl-piperazine with dibromoethane, and by reacting octadecylamine and piperazine with dichloroethane; the polycondensates are mixed with polypropylene and the mixtures formed into fibres which are dyed. Other diamines mentioned are dimethylene diamine, diethylenhexamethylendiamine, dibutyl-n-hexamethylendiamine and dimethyl - p - phenyldiamine; other polyolefins mentioned are polyethylene, polybutene-1, polypentene-1, poly-4-methylpentene-1 and polystyrene.</p> |
