HIGH RIGIDITY INTERLAYERS AND LIGHT WEIGHT LAMINATED MULTIPLE LAYER PANELS

摘要

This disclosure is related to the field of polymer interlayers for multiple layer panels and multiple layer panels having at least one polymer interlayer sheet. Specifically, this disclosure is related to the field of high rigidity interlayers and light weight laminated multiple layer panels incorporating high rigidity interlayers.

主权项

1. A multi-layer interlayer comprising:
a stiff polymer layer; a soft polymer layer in contact with said stiff polymer layer; wherein at least one polymer layers comprises plasticized poly(vinyl butyral); and wherein the stiff polymer layer has a glass transition temperature of greater than 33° C.