Global Styrene Methyl Methacrylate Copolymer Market By Type (Temperature Sensors, Humidity Sensors, Pressure Sensors, and Air Quality Sensors), By Application (Plastic Additive, Surface Coating, Medical, Consumer Goods, Automotive Parts, Appliances, and Appliances), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2019-2028