Impact and melt strength improvement of poly(alkylene terephthalate)
AssigneeRohm and Haas Company
InventorConstance A. Lane
Life of this patent
Estimating the term…
Abstract
A multiple stage polymer having a rubbery first stage and an epoxy functional hard final stage, a method for improving the notched Izod impact strength and melt strength of poly(alkylene terephthalates), compositions comprising poly(alkylene terephthalates) and the multiple stage polymer, and articles molded therefrom are disclosed.
Claims14
A method of improving the notched Izod impact strength and the melt strength of poly(alkylene terephthalate) comprising blending therewith a multiple stage polymer having a rubbery first stage and an epoxy group-containing hard final stage, and a minimum film forming temperature above about 50.degree. C.
Dependencies are inferred from the claim text.