Study on the Application of Puffing Glutinous Rice Starch

Guang Yu Zhai; Wen Tao Qu; Wei Zhu

doi:10.4028/www.scientific.net/AMM.200.167

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 200Study on the Application of Puffing Glutinous Rice...

Study on the Application of Puffing Glutinous Rice Starch

Abstract:

The puffing glutinous rice starch (PGRS) could be obtained by adding glutinous broken rice into bulking machine and expanding at a certain temperature and pressure. Compared with gelatinization by heating and adding alkali, gelatinization by puffing was easier to control and had a higher degree of starch gelation. The starch granule disintegrated after puffing and therefore more hydrophilic hydroxyls were exposed. The water-solubility of PGRS was increased which was shown in IR spectrometry with a broad and strengthened peak of O-H stretching vibration. Scanning electron micrograph (SEM) found that the PGRS granules were in shape of rough surface, which would be a strong affinity for water. Therefore, it could be used to prepare corrugated cardboard case adhesive, stamp envelope adhesive, wallpaper adhesive and dry mortar internal wall paint.