Synteza i charakterystyka modyfikowanych poliamidów otrzymywanych z laktamów i polieteroamin

S. Dutkiewicz; S. Boryniec

Published : 2022-09-17

Vol. 48 No. 2 (2003)

Synthesis and characteristics of modified polyamides based on lactames and polyetheramines

S. Dutkiewicz S. Boryniec

Abstract

Conditions of the syntheses, by anionic polymerization method, of homo- and copolyamides based on epsilon-caprolactam (KL) and kappa-lauryllactam (LL) modified with urea prepolymers (Table 2), obtained from tolylene diisocyanate and three various polyetheramines (polyoxyethylenediamine, poly- oxypropylenediamine or polyoxypropylenetriamine - Table 1) have ben described. An introduction of flexible polyether segments into the polyamide chain has been done with the aim to increase the impact resistance. The effects of the type of amine used and copolyamides KL/LL compositions on the chosen mechanical properties (stress at break, elongation at break, impact resistance at temp. 20degreesC and 40degreesC) as well as on the contents of non-polymerized components (soluble in acetone) have been determined (Tables 3-6). Expected substantial improvement of impact resistance was reached only in the case when polyoxypropylenetriamine was used.

Keywords

poliamidy ; modyfikacja ; prepolimery mocznikowe ; udarność polyamides ; modification ; polyetheramines ; urea prepolymers ; impact resistance

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Dutkiewicz, S., & Boryniec, S. (2022). Synthesis and characteristics of modified polyamides based on lactames and polyetheramines. Polimery, 48(2), 116–121. Retrieved from https://polimery.ichp.vot.pl/index.php/p/article/view/1845

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S. Dutkiewicz polimery@ichp.pl

Affiliation
Instytut Włókien Chemicznych, ul. Skłodowskiej-Curie 19/27, 90-570 Łódź, Poland Akademia Techniczno-Humanistyczna w Bielsku-Białej, Wydział Inżynierii Włókienniczej i Ochrony Środowiska, Plac Fabryczny 5, 43-300 Bielsko-Biała

S. Boryniec