Patent ID: 11891508
Assignee: NAN YA PLASTICS CORPORATION
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A breathable and waterproof membrane made from a modified thermoplastic polyester elastomer, wherein the breathable and waterproof membrane has a moisture permeability of greater than or equal to 25000 g/m2·day; wherein the modified thermoplastic polyester elastomer is formed from a thermoplastic polyester elastomer, a regenerated polyethylene terephthalate, and a compatibilizer; wherein, based on a total weight of the modified thermoplastic polyester elastomer being 100 phr, a content of the regenerated polyethylene terephthalate is greater than 0 phr and up to 50 phr; wherein, based on a total weight of the thermoplastic polyester elastomer being 100 wt %, the thermoplastic polyester elastomer includes 25 wt % to 75 wt % of hard segments and 25 wt % to 75 wt % of soft segments.