会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 6. 发明授权
    • Creping process utilizing low temperature-curing adhesive
    • 使用低温固化胶粘剂的起皱工艺
    • US06187140B1
    • 2001-02-13
    • US09207319
    • 1998-12-07
    • Ralph AndersonChristopher Lee DavidsonKenneth Curtis LarsonThomas C. SaffelRobert Emil WeberDuane K. Zacharias
    • Ralph AndersonChristopher Lee DavidsonKenneth Curtis LarsonThomas C. SaffelRobert Emil WeberDuane K. Zacharias
    • B31F112
    • D21H25/06B31F1/12D21H17/38D21H21/20
    • A method of increasing the wet strength of a creped sheet, which method involves providing a sheet which includes cellulosic fibers, which sheet has a first side and a second side; applying a low temperature-curing latex adhesive binder composition to the first side of the sheet in a fine, spaced-apart pattern occupying from about 20 to about 50 percent of the surface area of the sheet; adhering the first side of the sheet to a creping surface; and creping the sheet from the creping surface. The binder composition is adapted to adhere the sheet to the creping surface and includes a functional group-containing latex, a functional group-reactive crosslinking agent, and a volatile base. In addition, the creping surface is heated at a temperature no greater than about 100° C. The low temperature-curing latex adhesive binder composition is adapted to have cured to a level, by the time the sheet is removed from the creping surface, which imparts to the creped sheet a cross-direction wet tensile strength which is at least about 50 percent that of an identical creped sheet which has been heated at about 150° C. for three minutes, in which the cross-direction wet tensile is tested in accordance with TAPPI Test Methods T494om-88 and T456om-87. In addition, the cross-direction wet tensile strength of the creped sheet is at least about 40 grams per centimeter.
    • 提高绉纹片的湿强度的方法,该方法包括提供包括纤维素纤维的片材,该片材具有第一面和第二面; 将低温固化的胶乳粘合剂组合物以细的间隔图案施加到片材的第一侧,占图案表面积的约20至约50%; 将片材的第一面粘附到起皱表面; 并从起皱表面起皱片材。 粘合剂组合物适于将片材粘附到起皱表面,并且包括含官能团的胶乳,官能团 - 反应性交联剂和挥发性碱。 此外,起皱表面在不高于约100℃的温度下加热。低温固化胶乳粘合剂粘合剂组合物适于在从起皱表面除去片材时固化至一定程度,其中 赋予绉纹片材横向湿拉伸强度,其至少约为在约150℃加热三分钟的相同的起皱片材的约50%,其中横向湿拉伸试验在 符合TAPPI测试方法T494om-88和T456M-87。 此外,绉纹片的横向湿拉伸强度至少为约40克/厘米。