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.
The man who would later be known as Pol Pot was born as Saloth Sar on May 19, 1928, in the fishing village of Prek Sbauk, Kampong Thom province, in what was then French Indochina (now Cambodia).His family, of Chinese-Khmer descent, was considered moderately well to do.usted from power, Pol Pot and the Khmer Rouge retreated to a remote area of Cambodia along the border with Thailand. For several years, the North Vietnamese tolerated the existence of the Khmer Rouge in this border area. However, in 1984, the North Vietnamese made a concerted effort to deal with them.