Provided is a process for forming a dissolvable fiber, the process including (a) producing an extrudate from a twin screw extruder; and (b) forming the extrudate into the dissolvable fiber. The dissolvable fiber includes (i) from about 10% to about 60% of one or more anionic surfactants; (ii) from about 10% to about 50% of one or more water soluble polymers; (iii) from about 1% to about 30% of one or more plasticizers; and (iv) from about 0.01% to about 30% water. The one or more anionic surfactants have a Krafft point of less than about 30° C. The dissolvable fiber has an average diameter of from about 20 microns to about 1,000 microns.
申请公布号
EP2969032(A1)
申请公布日期
2016.01.20
申请号
EP20140722442
申请日期
2014.03.14
申请人
THE PROCTER & GAMBLE COMPANY
发明人
GLENN, ROBERT, WAYNE, JR.;THOMPSON, TODD, RYAN;JUNG, UNGYEONG;PARK, CHUL, B.;ZHU, CHANGWEI;CHU, RAYMOND KAR MAN