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

Meng Lan Jiang; Jun Feng Guo; Rong Min Wang; Yong Feng Zhu; Xiao Wen Wang; Yu Feng He

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

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Mechanical Property of Solidified Concrete by Explosion as Concrete is in Flow Pattern
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Preparation of Potato Starch Graft Copolymer and its Application in Functional Coatings
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 194-196Preparation of Potato Starch Graft Copolymer and...

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

Abstract:

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.

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Periodical:

Advanced Materials Research (Volumes 194-196)

Pages:

1077-1080

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.194-196.1077

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Online since:

February 2011

Authors:

Meng Lan Jiang, Jun Feng Guo, Rong Min Wang, Yong Feng Zhu, Xiao Wen Wang, Yu Feng He

Keywords:

Functional Coating, Graft Copolymerisation, Humidity-Controlling, Potato Starch

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