Method of forming highly absorbent fibrous webs and resulting products

阅读量:

21

申请(专利)号:

US19770861721

申请日期:

1977-12-19

公开/公告号:

US4174417A

公开/公告日期:

1979-11-13

申请(专利权)人:

KIMBERLY-CLARK CORP

发明人:

TB Rydell

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被引量:

143

摘要:

Webs are formed by mixing chemically modified cellulose fibers in a carrier and dewatering to form a mixture of gel-like consistency having a minimum of external water wherein the fibers have not lost their individual structures. This mixture is sprayed or injected into a gas stream of volume and velocity such that the individual fibers are separated. These fibers are collected into highly-absorbent webs having varying structures. Due to the rapid separation of fibers and subsequent drying, reduced interfiber hydrogen bonding takes place resulting in good tactile properties such as softness and drape. By controlling the direction and velocity of the fibers, webs can be produced having structures ranging from very dense mats to loose, fluffy batt-like products. The webs of the invention possess high absorbency, good wicking, and strength sufficient for handling. They may be used as components for wipers, surgical sponges, and personal care products such as sanitary napkins, tampons, and disposable diapers.

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