The use of a new low smoke, heat distortion temperature modifier for rigid PVC and chlorinated PVC is discussed. This material, CN-1427, is a tetrabromobisphenol A carbonate oligomer which is compatible with vinyl compositions. The carbonate oligomer can be compounded into PVC resin to improve heat distortion temperature of PVC and CPVC by 20â30Â°C.
Oppong is an Ashanti surname that originates in the Ashanti City-State. Notable people with the Ashanti surname include: Dominic Oppong (born 1986), Ghanaian-born Canadian soccer player.
Updated March 03, 2017. Watson is a patronymic surname meaning son of Watt.. The popular Middle English given names Wat and Watt were pet forms of the name Walter, meaning powerful ruler or ruler of the army, from the elements wald, meaning rule, and heri, meaning army. Watson is the 19th most common surname in Scotland and the 76th most popular surname in the United States.