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HIGHLY PERMEABLE AND WATER RESISTANT BARRIER SHEET, AND ABSORBER PRODUCT USING THE BARRIER SHEET
HIGHLY PERMEABLE AND WATER RESISTANT BARRIER SHEET, AND ABSORBER PRODUCT USING THE BARRIER SHEET
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机译:高透气性和防水性的阻隔层,以及使用该阻隔层的吸收产品
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摘要
A highly permeable and water resistant barrier sheet, comprising a porous buffer sheet and a water resistant nonwoven cloth of 100 mmH2O or higher in water resistance connected integrally with each other and combined with a permeable sheet-like absorber to form an absorbing core so as to make an absorber product highly permeable, wherein the porous buffer sheet is a perforated film formed desirably in an irregular structure having funnel-shaped perforated structures with top and bottom parts different in diameter from each other and, when the diameter thereof on the shorter diameter side is 1 mm or shorter when a hole is approximated in a complete round shape and the number of holes is 20/cm2 or more.
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