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USE OF HYDROPHILLIC POLYMER DISPERSION CONTAINING A COLLOIDAL SILICA OR AN INORGANIC FLOCCULANT AS RETENTION AND DRAINAGE AIDS IN PAPER MAKING PROCESS
USE OF HYDROPHILLIC POLYMER DISPERSION CONTAINING A COLLOIDAL SILICA OR AN INORGANIC FLOCCULANT AS RETENTION AND DRAINAGE AIDS IN PAPER MAKING PROCESS
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机译：在造纸过程中使用含有胶态二氧化硅或无机絮凝剂的亲水性聚合物分散体作为保留和排水助剂
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摘要
The method of the invention relates to forming an aqueous cellulosic papermaking slurry, adding an effective amount of a hydrophilic dispersion polymer containing a colloidal silica or an inorganic flocculant to the slurry with adding microparticles, as for example bentonite, after a polymer is addedto the slurry. The hydrophilic dispersion polymer comprises i) colloidal silica or ii) inorganic flocculant.
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