兰州石化烟膜专用料T38FY的生产与开发

采用Basell双环管工艺进行了烟膜专用料的生产,生产过程中通过对氢气进料量控制、三乙基铝与外给电子体的质量比控制、挤压机操作参数控制及助剂配方优化,开发生产了烟膜专用料T38FY.产品熔体流动速率控制在2.8～3.2 g/10 min,等规指数为96.5%～97.5%,弯曲模量达到30 MPa,满足用户的要求.但采用...

The Production and Development of Tobacco Film Special Resin T38FY in Lanzhou Petrochemical

The special resin of T38FY for tobacco film was developed and produced with Basell Sphripol-Ⅱprocess by the feed of hydrogen adjusted,mass of triethylaluminum and the external electronic donor controlled,the extruder operating parameters and additives formula optimized.Melt flow rate of the special resin is 2.8-3.2g/10 min,isotactic indexof 96.5%-97.5%,flexural modulus up to 30 MPa,to the satisfaction of requirements of customers.The existing catalyst system and additive formula are resulted in the ash of 300μg/g and haze of 15%,that is higher than the norms.In order to improve the transparence, reduce consumption of the catalyst and the ash,high activation catalyst and high efficiency additives should be applied.