1, Having discussed some essential problems of using butyronitrile top roller, the author introduces the features of top roller with inter-pattern, and shows us key spinning effects of top roller.

2, Foamed butyronitrile coating, providing the best ventilation, comfortableness and flexibleness.

3, Light Butyronitrile coated glove with ventilation in back palm position, weaved wrist, and high oil resistance.

4, Experiments were conducted to compare the abrasion resistance of epoxy resin modified with polyurethane, epoxy modified by butyronitrile, and some alike coating materials from abroad.

5, The characteristics and reason of yarn faults, due to out of condition of butyronitrile top roller and apron, are also analysed later in the paper.