Vesiculated polymer granular compositions and paper made...

Details Vesiculated polymer granular compositions and paper made... Vesiculated polymer granular compositions and paper made...

D - Textiles, Paper

21

H

403/12, 9/51

D21H 21/10 (2006.01) D21H 17/00 (2006.01) D21H 17/33 (2006.01) D21H 21/54 (2006.01)

Patent

CA 1280544

Abstract "Vesiculated Polymer Granular Compositions and Paper Made Therefrom" An aqueous composition which comprises vesiculated polymer granules and a retention aid; said granules having a mean diameter of 1 to 500 microns, the ratio of the granule diameter to the mean vesicle diameter being at least 5:1, the maximum diameter of the vesicles being 20 microns and the volume of the vesicles being from 5-95% of the volume of the granules. These compositions are used in conjunction with fibrous cellulosic or non-cellulosic materials for the preparation of paper containing the vesiculated polymeric granules dispersed therein. The paper has improved optical opacity.

515822

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