PREFLOCCULATION OF FILLERS USED IN PAPERMAKING USING MICROPARTICLES
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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资源简介：
A method of preparing a stable dispersion of flocculated filler particles for use in papermaking processes comprises use of microparticle prior to， simultaneous to， and/or after addition of a first flocculating agent to an aqueous dispersion of filler particles， followed by addition of a second flocculating agent to the dispersion and further optional shearing of the resultant filler flocs to the desired particle size resulting in shear resistant filler flocs with a defined and controllable size distribution. In addition， a neutralizing coagulant can be added to the dispersion to partially or completely neutralize the charge of the filler before the microparticle and/or the first flocculating agent is added.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
