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Crimped polypropilene yarns
Demšar, Andrej (Author), Sluga, Franci (Author)

URLURL - Presentation file, Visit http://www.dlib.si/details/URN:NBN:SI:doc-2UKGHXRL This link opens in a new window

Abstract
Polypropylene is a thermoplastic polymer which, because of its intrinsic properties (it does not absorb water, it has low density, low thermal conductivity, good resistance to different chemicals, it does not irritate skin etc.), is penetrating new markets at the expense of other polymers. This is why there is a need in industry of polypropylene fibres for developing new products with new or better properties. In the research work on the polypropylene yarns the conditions for production of polypropylene fibres which crimp after drawing were established. The goal of this research work was to investigate the influence of spinning temperature on the formation of crimps and the degree of crimp.

Language:English
Keywords:polipropilen, predenje iz taline, kodranje, polypropylene, melt spinning, crimping, curling
Work type:Not categorized (r6)
Tipology:1.04 - Professional Article
Organization:NTF - Faculty of Natural Sciences and Engineering
Year:1999
Publisher:Inštitut za kovinske materiale in tehnologije
Number of pages:str. 523-526
Numbering:Letn. 33, št. 6
UDC:678.742.2
ISSN on article:1318-0010
COBISS.SI-ID:207018 Link is opened in a new window
Views:884
Downloads:155
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Record is a part of a journal

Title:Kovine zlitine tehnologije
Shortened title:Kovine zlit. tehnol.
Publisher:Inštitut za kovinske materiale in tehnologije, ACRONI, Inštitut Josef Stefan, IMPOL, Fakulteta za strojništvo, Slovensko društvo za tribologijo, METAL, TALUM
ISSN:1318-0010
COBISS.SI-ID:31742209 This link opens in a new window

Secondary language

Language:English
Title:Kodrana polipropilenska vlakna
Abstract:
Polipropilen (PP) je termoplastični polimer, ki se, zaradi njemu lastnih lastnosti (ne navzema vlage, ima nizko gostoto, je odporen na različne kemikalije, ima nizko toplotno prevodnost, ne draži kože itd.), vedno bolj uveljavlja na različnih področjih uporabe ter osvaja nova tržišča na račun drugih polimerov. V industriji polipropilenskih vlaken je prav zaradi tega močno izražena težnja po odkrivanju novih izdelkov. V sklopu raaziskav postopka oblikovanja polipropilenskih vlaken ter njihovih lastnosti smo na katedri za tekstilne surovine in preiskave, Naravoslovnotehniške fakultete, Univerze v Ljubljani, izdelali polipropilenska vlakna s povsem novo značilnostjo, s sposobnostjo kodranja. Razvili smo postopek v katerem je možno na klasični predilno-raztezalni napravi, kontinuirano, izdelati kodrana polipropilenska vlakna. V prispevku je predstavljen vpliv pogojev oblikovanja na pojav in stopnjo kodranja.


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