Development of ultracold and oil resistant PVC materials
The effects of TOTM,TM8-10,polyester plasticizer PN7030,and nitrile rubber P83 on the cold and oil resistance of PVC materials were investigated.The results showed that the cold resistance of polyester plasticizer PN7030 was poor and could not meet the requirements of the indicators;TM8-10 had better cold and oil resistance than TOTM;nitrile rubber P83 could improve the cold resistance and oil resistance of PVC materials.The final formula selected was:S-80 PVC resin,100 parts;TM8-10,70 parts;DOS,12 parts;nitrile rubber P83,50 parts;Ca/Zn composite stabilizer,6 parts;CaCO3,8 parts;other additives,in moderation.
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