Method of making polyhydroxyalkanoate yarn and fabric and article comprising the same

Abstract

A method of making a polyhydroxyalkanoate yarn comprising a polyhydroxyalkanoate fiber is disclosed. The method comprises extruding a polymer melt comprising a polyhydroxyalkanoate composition comprising a polyhydroxyalkanoate through a spinneret, withdrawing a fiber from the spinneret, quenching the fiber, and collecting the fiber on a winding roller. The yarn exhibits an elongation at break of 50% or more to 1000% or less and a tenacity of 0.1 g/d or more to 4 g/d or less. A polyhydroxyalkanoate yarn comprising a polyhydroxyalkanoate fiber is also disclosed.

Dependencies are inferred from the claim text.