问题1
hyde
450 0 2018-04-23 19:23
我司生产阻燃涤纶,请问如何控制特性粘度?我公司专业生产涤纶长丝,目前在生产阻燃涤纶长丝过程中,原料用0.68粘度的聚酯切片,添加了阻燃母粒后纺丝,粘度值下降到0.47左右。请问有什么办法可以使粘度不要下降的如此厉害(我们要求粘度值在0.5以上)?
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