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    • 2. 发明授权
    • Starch treated high crush linerboard and medium
    • 淀粉处理高破碎的纸板和介质
    • US5242545A
    • 1993-09-07
    • US888887
    • 1992-05-26
    • Keith E. BradwayRichard F. Rudolph
    • Keith E. BradwayRichard F. Rudolph
    • D21H19/12D21H27/10
    • D21H19/12D21H27/10
    • Paper suitable for use in corrugated shipping containers is provided. Medium paper of this invention has a basis weight of at least about 15 pounds and a relatively high cross-direction crush resistance typically exceeding 2.4 pounds force per six inches width per unit base weight of the oven-dried product in lbs/1000 ft.sup.2. Linerboard of this invention has a correspondingly greater cross-direction crush resistance. The paper is preferably produced by applying starch solutions at high percent solids at elevated temperatures using a size press technique to provide at least about 30% of the starch in a defined inner zone of the paper sheet. The strength of the paper is improved through a carefully controlled distribution of the starch throughout the thickness of the paper.
    • 提供适用于波纹运输容器的纸张。 本发明的中等纸具有至少约15磅的基重和相对较高的横向抗压强度,典型地每1英寸宽度超过2.4磅力,每单位基重为1磅/ 1000平方英尺的烘干产品。 本发明的衬板具有相应更大的横向抗压性。 优选通过使用施胶压榨技术在升高的温度下施用高固体含量的淀粉溶液来制备纸,以在纸张的限定的内部区域中提供至少约30%的淀粉。 通过在整个纸张的厚度上仔细控制淀粉的分布,提高了纸张的强度。