Henan’an, China
Henan’an, China

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Wang X.-Q.,Henan Investment Group | Wang W.,Zhumadian Baiyun Paper Co. | Lv L.,Zhumadian Baiyun Paper Co.
Chung-kuo Tsao Chih/China Pulp and Paper | Year: 2012

The properties of yellow writing paper were studied by changing the proportion of poplar APMP in paper furnish. These properties included L * a *b *, physical strength and ash content. The results revealed that the brightness decreased, a * kept stable, and b * increased by increasing the proportion of poplar APMP in paper furnish. The bulk of paper was significantly improved, both the tensile and burst indexes decreased. The change of ash content was insignificant.


Wang G.,Zhumadian Baiyun Paper Co. | Wang W.,Zhumadian Baiyun Paper Co. | Hu H.-T.,Zhumadian Baiyun Paper Co. | Du W.,Zhumadian Baiyun Paper Co.
Chung-kuo Tsao Chih/China Pulp and Paper | Year: 2013

This paper discussed the effect of application of the acacia pulp on the production of writing and printing papers. The results revealed that the replacement of eucalyptus pulp and mixed hardwood pulp by acacia pulp improves the properties of the offset paper and copy paper, which include formation, smoothness and ash-retention-rate. It is benefit of the quality of writing and printing papers.


Wang G.,Zhumadian Baiyun Paper Co. | Wang W.,Zhumadian Baiyun Paper Co. | Hu H.-T.,Zhumadian Baiyun Paper Co. | Du W.,Zhumadian Baiyun Paper Co.
Chung-kuo Tsao Chih/China Pulp and Paper | Year: 2013

This paper discussed the effect of application of the polyvinylamine modified filler on the production of writing and printing papers. The results revealed that the modified filler improves the properties of the paper, which include retention rate, paper strength and formation. At the mean time, it can reduce the consumption of PAM and NBSK pulp, and it is benefit of cutting production cost.

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