الإنجليزية - الإنجليزية
تعريف polyvinyl-butyral في الإنجليزية الإنجليزية القاموس.
- Polyvinyl butyral (or PVB) is a resin usually used for applications that require strong binding, optical clarity, adhesion to many surfaces, toughness and flexibility. It is prepared from polyvinyl alcohol by reaction with butyraldehyde