Zastosowanie odpadowego fosfogipsu w kompozytach termoplastycznych i chemoutwardzalnych

E. Kowalska; Z. Wielgosz; M. Żubrowska; S. Pasynkiewicz; M. Choroś

Published : 2022-09-01

Vol. 49 No. 11-12 (2004)

Application of waste phosphogypsum in thermoplastic and chemosetting composites

E. Kowalska Z. Wielgosz M. Żubrowska S. Pasynkiewicz M. Choroś

Abstract

Application of thermally treated phosphogypsum as a filler for thermoplastic polymers such as low density polyethylene, polypropylene, polyamide 6 and PVC as well as for chemically cured composites based on epoxy or polyester resins has been investigated. Phosphogypsum used was a by-product from phosphorous fertilizers' industry (Table 1), and was treated by method elaborated in Poland. Amounts of phosphogypsum were in the range of 10-50 wt. % in PE-LD, PP or PA 6, 97.5-205 phr in PVC (Table 2) and 30-50 wt. % in chemically cured composites (Table 3 and 4). Phosphogypsum as filler causes similar changes of mechanical properties as another mineral fillers. Filled thermoplastic composites were tested with the aim to substitute talc or chalk with treated phosphogypsum (Table 8, Figs. 3-6). Effect of silanes as compatibilizers for thermoplastic composites was investigated, too. Composites polypropylene/phosphogypsum were used for preparation of automotive fittings instead of polypropylene/talc ones (Fig. 10). PVC compositions with treated phosphogypsum were used for preparation of flooring (Fig. 11). Chemically cured composites with treated phosphogypsum were used for preparation of self-leveling flooring.

Keywords

kompozyty ; fosfogips ; uzdatniony fosfogips ; napełniacze mineralne ; polimery termoplastyczne ; żywice chemoutwardzalne ; właściwości użytkowe ; kompatybilizatory silanowe composites ; treated phosphogypsum ; mineral fillers ; thermoplastic polymers ; chemically cured resins ; functional properties ; silane compatibilizers

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Zasady cytowania

Kowalska, E., Wielgosz, Z., Żubrowska, M., Pasynkiewicz, S., & Choroś, M. (2022). Application of waste phosphogypsum in thermoplastic and chemosetting composites. Polimery, 49(11-12), 828-836. Retrieved from https://ichp.vot.pl/index.php/p/article/view/1819

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E. Kowalska polimery@ichp.pl

Affiliation
Instytut Chemii Przemysłowej, ul. Rydygiera 8, 01-793 Warszawa

Z. Wielgosz

Affiliation
Instytut Chemii Przemysłowej, ul. Rydygiera 8, 01-793 Warszawa

M. Żubrowska

Affiliation
Instytut Chemii Przemysłowej, ul. Rydygiera 8, 01-793 Warszawa

S. Pasynkiewicz

Affiliation
Instytut Chemii Przemysłowej, ul. Rydygiera 8, 01-793 Warszawa

M. Choroś

Affiliation
Instytut Chemii Przemysłowej, ul. Rydygiera 8, 01-793 Warszawa