Global Polyvinyl Butyral (PVB) Resins Market By Type (Higher molecular weight grade PVB resin , Medium molecular weight grade PVB resin , Lower molecular weight grade PVB resin , and Modified PVB resin), By Application (Buildings and automotive laminated glass , PV panels sealing material , and Paints, glues, Ink, etc)), By Region and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2019–2028