Preparation of Potato Starch Graft Copolymer and its Application in Functional Coatings

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A new kind of self-cross-linked potato starch graft copolymer (PoSt-g-P) was prepared successfully by emulsifier-free emulsion polymerization, in which methyl methacrylate (MMA), acrylic acid (AA) and butyl acrylate (BA) were used as main monomers, and diacetone acrylamide (DAAM) as functionality monomers. The keto-carbonyl group in the potato starch graft copolymer /DAAM could react with adipic dihydrazide (ADH) at ambient temperature to form cross-linked thin film. The film properties of emulsion were measured, which showed excellent properties in hardness, gloss and water resistance. The humidity-sensitive coatings (PoSt-g-P-C) were prepared by the self-cross-linked PoSt-g-P, pigments and fillers. Adipic dihydrazide was used as a cross linking agent and assistant. Its humidity controlling properties were also measured and shown high activity in increasing humidity and dehumidify.

Info:

Periodical:

Advanced Materials Research (Volumes 194-196)

Edited by:

Jianmin Zeng, Taosen Li, Shaojian Ma, Zhengyi Jiang and Daoguo Yang

Pages:

1077-1080

DOI:

10.4028/www.scientific.net/AMR.194-196.1077

Citation:

M. L. Jiang et al., "Preparation of Potato Starch Graft Copolymer and its Application in Functional Coatings", Advanced Materials Research, Vols. 194-196, pp. 1077-1080, 2011

Online since:

February 2011

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$35.00

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