Multifunctional Coatings on Microporous Substrates

摘要

A composition is described wherein a coating is provided on a microporous substrate, such as a low surface energy microporous substrate, which coating provides multiple functionalities to the underlying microporous material, while still maintaining porosity within at least a portion of the microporous substrate.

主权项

1. A composite comprising:
a microporous material having pores with pore walls and open porosity therein, said microporous material being selected form polytetrafluoroethylene and expanded polytetrafluoroethyulene; and a multifunctional coating on at least a portion of the pore walls of the microporous material, said multifunctional coating comprising a first functional additive and at least one additional functional additive, wherein the microporous layer retains at least some open porosity in the coated portion of the microporous material.