PEASE, Stephen,WANG, Hongzhi,SLOMINSKI, Martin,TEGEN, Marvin H.
申请号:
WO2018US29287
公开号:
WO2018200624(A1)
申请日:
2018.04.25
申请国别(地区):
世界知识产权组织国际局
年份:
2018
代理人:
摘要:
Provided is a collection of resin particles, wherein the resin particles comprise one or more polymers; wherein the polymer comprises methylene bridge groups between aromatic rings; wherein the polymer comprises a total amount of amino groups bonded to the resin particles of 1.4 equivalents or more per liter of the collection of resin particles; wherein quaternary ammonium groups bonded to the polymer are present in an amount of 0.06 to 0.12 equivalents per liter of the collection of resin particles; wherein the resin particles have water retention capacity of 40% to 50% by weig of water based on the weight of the collection of resin particles; and wherein the resin particles have surface area of 100 m2/g or less.