Search Results for: Synthetic staple fibres polypropylene
microcellular foam seals and gaskets , durable elastomeric wheels and tires (such as roller coaster , escalator , shopping cart , elevator , and skateboard wheels), automotive suspension bushings , electrical potting compounds, high-performance adhesives , surface coatings and surface sealants, synthetic
leverkusen, germany, first made polyurethanes in . [ ] [ ] the new polymers had some advantages over existing plastics that were made by polymerizing olefins or by polycondensation , and were not covered by patents obtained by wallace carothers on polyesters . [ ] early work focused on the production of fibres...
https://en.wikipedia.org/wiki/Polyurethane