Melt-processed films of thermoplastic cellulose and microbial aliphatic polyester

February 18, 2014

US Patent No.: 8,586,821 B2 
Inventor(s): James H. Wang, Appleton, WI, U.S.; and JaeHong Lee, Yongin-si, Republic of Korea.
Company: Kimberly-Clark Worldwide, Inc., Neenah, WI, U.S.
Filed: 12/23/09
Issue: 11/19/13

A melt-processed thermoplastic material film comprising: a blend of about 5 wt. % to about 95 wt. % of a thermoplastic cellulose selected from cellulose ether and cellulose alkanoate with 2 to 10 carbons in an alkanoate group having a melting point temperature between about 100° C. to about 200° C., and about 5 wt. % to about 95 wt. % of a polyhydroxyalkanoate with an average molecular weight of at least 20,000 g/mol.

  • 2015 International Buyers Guide

    2015 International Buyers Guide

    July 21, 2015
    Our annual Buyers’ Guide lists nearly every supplier and producer involved with the global nonwovens industry.

  • Raw Materials Round Up

    Raw Materials Round Up

    Karen McIntyre, editor||June 8, 2015
    Suppliers create additives, preservatives and other specialties to help nonwovens makers meet their goals.

  • Keeping It Clean

    Keeping It Clean

    Tara Olivo, associate editor||June 8, 2015
    Convenience and continued innovation keeps the household wipes market thriving.