Volume 3 Issue 2
May  2018
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Heng Zhang, Pengfei Li, Hongkun Gao, Lei Xu, Junliang Lu, Xiaoyue Peng, Fenglong Zhang, Yuan Zhang. Etherified dicyandiamide condensation copolymer as a wet-end additive for papermaking[J]. Journal of Bioresources and Bioproducts, 2018, 3(2): 49-52. doi: 10.21967/jbb.v3i2.119
Citation: Heng Zhang, Pengfei Li, Hongkun Gao, Lei Xu, Junliang Lu, Xiaoyue Peng, Fenglong Zhang, Yuan Zhang. Etherified dicyandiamide condensation copolymer as a wet-end additive for papermaking[J]. Journal of Bioresources and Bioproducts, 2018, 3(2): 49-52. doi: 10.21967/jbb.v3i2.119

Etherified dicyandiamide condensation copolymer as a wet-end additive for papermaking

doi: 10.21967/jbb.v3i2.119
Funds:

This work was financially supported by Shandong Provincial Natural Science Foundation of China (ZR2017MC032), open fund of Key Laboratory of Biomass Energy and Materials of Jiangsu Province (JSBEM201808), the Undergraduate Training Programs for Innovation, the Entrepreneurship in Qingdao University of Science &Technology (201601008), and the Science and Technology Major Project(Emerging industries) of Shandong Province (2015ZDXX0403B03).

  • Dicyandiamide-formaldehyde condensation copolymer was synthesized and used as a wet-end additive for papermaking. The retention of fibers and fines was used as a performance index. Factors were evaluated governing the performance of the polymer, including polymer dosage, pH and mixing time. The optimum dosage of the polymer was found to be 0.03% under the conditions. Overall, the polymer was effective in improving the drainage, as well as the retention of fibers and fines in papermaking process.

     

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