초록

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Abstract ▼ AI-Helper

PVC was compounded with various crosslinking agents, plasticizers and acrylonitrile butadiene rubber(NBR) to evaluate their effects on the radiation gel percent, elongation at break, heat distortion and heat shrinkage. Gel yield of PVC increased with increasing unsaturation levels per molecular weig...

PVC was compounded with various crosslinking agents, plasticizers and acrylonitrile butadiene rubber(NBR) to evaluate their effects on the radiation gel percent, elongation at break, heat distortion and heat shrinkage. Gel yield of PVC increased with increasing unsaturation levels per molecular weight of crosslinking agents while PVC containing NBR was more sensitive to crosslinking than PVC itself regardless of the types of crosslinking agents and plasticizers. It was found that gel percent was increased with increasing radiation dose, while heat distortion was decreased with increasing gel percent. Heat shrinkage was increased with decreasing stretching temperature and increasing annealing temperature.