Application of Papermaking Retention Agent in Photochromic Anti-counterfeiting Paper

HAO Xiao-xiu, YIN Xing, SUN Cheng, YANG Shu-hui

Packaging Engineering ›› 2015 ›› Issue (3) : 6-9.

Packaging Engineering ›› 2015 ›› Issue (3) : 6-9.

Application of Papermaking Retention Agent in Photochromic Anti-counterfeiting Paper

  • HAO Xiao-xiu1, YIN Xing1, SUN Cheng1, YANG Shu-hui2
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Abstract

To study the effects of adding different retention aid agents including CPAM, APAM, starch of high substitution degree and modified starch on the physical properties and anti-counterfeiting performance of ultraviolet photochromic anti-counterfeiting paper. Four kinds of commonly used retention aid agents were used to systematically study the dosage of photochromic material in anti-counterfeiting paper, and the physical properties and anti-counterfeiting performance of the anti-counterfeiting paper were evaluated, to determine the optimal dosages of different retention agents in the pulp. The physical and anti-counterfeiting performances of the photochromic anti-counterfeiting paper were closely related to the types and dosage of retention agent in the pulp system. In a certain photochromic material system, the optimal dosages of different retention agents were starch 1.5%, CPAM 0.005%, APAM 0.015%, starch of high substitution degree 0.15%. The retention of ultraviolet photochromic materials in anti-counterfeiting paper increased significantly after addition of retention agent in the slurry. Moreover, the types and dosage of the retention agent determined the relative intensity of fluorescence of the paper, and therefore ensured the anti-counterfeiting effect of ultraviolet photochromic anti-counterfeiting paper.

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HAO Xiao-xiu, YIN Xing, SUN Cheng, YANG Shu-hui. Application of Papermaking Retention Agent in Photochromic Anti-counterfeiting Paper[J]. Packaging Engineering. 2015(3): 6-9

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