In the first coating, a carboxyl styrene/butadiene(SBR), which is polymerized with high styrene, is chosen to raise the coating film strength, gloss, smoothness, and is useful for the second coating.

• 在预涂涂布中 ,选择由高苯乙烯含量聚合的羧基丁苯胶乳可提高涂层抗拉毛强度及纸面光泽度和平滑度 ,有利于面涂涂布