US2020199786A1PendingUtilityA1

Fibers based on poly(vinyl alcohol)

Assignee: KURARAY COPriority: Sep 8, 2017Filed: Aug 29, 2018Published: Jun 25, 2020

Est. expirySep 8, 2037(~11.1 yrs left)· nominal 20-yr term from priority

Inventors:Yoshimi Nonaka Hiroyuki Zushi Yosuke Washitake Ryokei Endo

B01D 15/02B01J 20/28028B01J 20/28011B01J 20/28004B01J 20/262C02F 1/281D01F 6/14D01F 1/10D01F 6/50D06M 11/79D06M 13/355B01J 20/12

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References

Claims

Abstract

Fibers based on poly(vinyl alcohol) is composed of a poly(vinyl alcohol) polymer and a phyllosilicate. The fibers contain 30 to 400 parts by mass of the phyllosilicate per 100 parts by mass of the poly(vinyl alcohol) polymer. The fibers have a swelling degree of 200 to 600%.

Claims

exact text as granted — not AI-modified

1 . Fibers based on poly(vinyl alcohol), comprising:
 a poly(vinyl alcohol) polymer and a phyllosilicate,   wherein the fibers from 30 to 400 parts by mass of the phyllosilicate per 100 parts by mass of the poly(vinyl alcohol) polymer, and   the fibers have a fiber swelling degree of from 200 to 600%.   
     
     
         2 . The fibers based on poly(vinyl alcohol) of  claim 1 ,
 wherein the phyllosilicate is a smectite clay compound.   
     
     
         3 . The fibers based on poly(vinyl alcohol) of  claim 2 ,
 wherein the phyllosilicate is bentonite.   
     
     
         4 . The fibers based on poly(vinyl alcohol) of  claim 1 ,
 wherein the phyllosilicate has an average particle size of from 0.1 to 100 μm.   
     
     
         5 . A fiber structure, comprising:
 the fibers based on poly(vinyl alcohol) of  claim 1 .   
     
     
         6 . The fiber structure of  claim 5 , wherein the fiber structure is an adsorbent that adsorbs an adsorbate in a treatment solution. 
     
     
         7 . The fiber structure of  claim 6 , wherein the adsorbate is caffeine.

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