Dialdehyde Starch

From Handwiki
Dialdehyde starch
Dialdehyde starch.svg
Identifiers
CAS Number
  • 9047-50-1 ☑Y
ChemSpider
  • none
MeSH Dialdehyde+starch
Properties
Chemical formula
(C6H8O5)n
Appearance White, opaque crystals
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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Dialdehyde starch is a polysaccharide derived by chemical modification from starch. It is prepared by periodate oxidation of starch.[1]

It has found use in the paper industry, where in it has been shown to improve the wet strength of consumer products like toilet paper and paper towels.[2]

References

  1. Yu, Jiugao; Chang, Peter R.; Ma, Xiaofei (2010). "The preparation and properties of dialdehyde starch and thermoplastic dialdehyde starch". Carbohydrate Polymers 79 (2): 296. doi:10.1016/j.carbpol.2009.08.005. 
  2. US patent 4001032, "Method of Making Nongelling Aqueous Cationic Dialdehyde Starch Compositions" 



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Categories: [Starch] [Organic polymers]


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