(19)
(11) EP 0 129 317 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
15.04.1987 Bulletin 1987/16

(43) Date of publication A2:
27.12.1984 Bulletin 1984/52

(21) Application number: 84302991

(22) Date of filing: 03.05.1984
(84) Designated Contracting States:
DE FR GB IT NL

(30) Priority: 15.06.1983 GB 8316323

(71) Applicant: IMPERIAL CHEMICAL INDUSTRIES PLC
 ()

(72) Inventor:
  • Brody, Harry
     ()

   


(54) Process for producing a polyamide fibre & novel rough-surfaced polyamide fibres produced by such process


(57) Melt-spun, rough surfaces, fibres of a fibre-forming polyamide containing at least 10% by weight of another polymer, in preference either polyethylene or polypropylene, which is immiscible in a melt of the fibre-forming polyamide and has a lower melt viscosity than the fibre-forming polyamide at the spinning temperature, such other polymer being present in the melt spun fibres as microfibrils and a process for providing such fibres.






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