| abstract |
PURPOSE: To provide the titled resin mixture which has a high mechanical strength at a high temp. and good processability, by using hydrophobic silica and calcium carbonate in combination as fillers. n CONSTITUTION: 30W40pts.wt. trimellitate ester plasticizer such as trioctyl trimellitate, 10W15pts.wt. lead stabilizer such as tribasic lead sulphate or lead stearate, 25W35pts.wt. calcium carbonate and 3W10pts.wt. hydrophobic silica such as R- 972 (a product of Nippon Aerosil K.K.) are blended with 100pts.wt. ethylene/vinyl chloride copolymer having a degree of polymn. of 2,500W3,000. n COPYRIGHT: (C)1985,JPO&Japio |