Interlayer composite structure for laminated glass with controlled bonding between the layers and the process for the production of the interlayer structure

摘要

A process for the production of multi-ply polyvinyl butyral interlayer having improved separation force whereby multiple plies are combined in a tension controlled process comprising overlaying a layer of polyvinyl butyral sheeting having water drops on its surface with a second layer of polyvinyl butyral sheeting.