Introduction

Polyvinyl butyral (PVB) is a liquid-based resin produced via acetal reaction by having polyvinyl alcohol (PVA) reacting with aldehydes using acid catalyst. It is widely used in safety glass interlayers, adhesive for printing ink, adhesive for wash primer, baking varnish, electronic ceramics, and printed circuit boards. It also has excellent adhesion for glass and metal.

Application

Laminated glass interlayer –

In conjunction with plasticizer, it can be used to produce the PVB interlayer/film, which is used in architectural and automotive industries.

Printing ink –

Adhesive for various types of printing inks, including gravure, relief printing, and rubber relief.

Adhesive –

For primers, baking varnish, wood paint, electronic ceramics, printed circuit boards, textile waterproof processing, etc.