High yield pulping and bleaching process

Details High yield pulping and bleaching process High yield pulping and bleaching process

D - Textiles, Paper

21

B

9/27

D21B 1/02 (2006.01) D21B 1/16 (2006.01) D21C 9/16 (2006.01)

Patent

CA 1274657

ABSTRACT The present invention concerns producing novel pulp, primarily wood pulp, from chips using pre-treatment with stabilizers and alkaline peroxide prior to mechanical fiberization (refining) to increase the brightness of the resulting fibers and the papermaking strength achievable with the fibers. The novel aspect of the pre- treatment prior to refining is that it results in the "in situ" formation within the chips of a stabilizing flock or sol.

518592

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