发明申请
US20100108277A1 PAPER PRODUCTION WITH MODIFIED SILICA GELS AS MICROPARTICLES 有权
用改性二氧化硅凝胶作为微量纸生产纸

PAPER PRODUCTION WITH MODIFIED SILICA GELS AS MICROPARTICLES
摘要:
Use of silica sols containing sulfonic acid groups and/or mercapto groups as microparticles in paper production, in particular for paper retention.
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