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Synthesize and Characterize of Grafted Soybean Protein Adhesives(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2008年06期
Page:
1032-1036
Research Field:
Publishing date:

Info

Title:
Synthesize and Characterize of Grafted Soybean Protein Adhesives
Author(s):
TANG Wei-bo; ZHOU Hua; ZHOU Cui; YANG Cheng; BAI Hui-yu; LIU Xiao-ya
School of Chemical and Material Engineering，Jiangnan University，Wuxi 214122，Jiangsu，China
Keywords:
Graft polymerization; Soy protein(SP); Adhesives; GMA
PACS:
TQ432.2
DOI:
10.11861/j.issn.1000-9841.2008.06.1032
Abstract:
The hydrophobic monomer GMA was grafted onto soy protein(SP)in order to obtain the much better water-resistant SP adhesives.The graft copolymer of SP-g-PGMA was prepared by free radical polymerization with APS-NaHSO3?redox system as initiator after SP was pretreated by 3 mol.L-1urea solution which was as a denaturing agent.Pure grafted polymer was analyzed by IR indicating the success of grafting.Effect of different reaction conditions on grafted SP adhesives’ shear strength and water resistance，such as pretreatment time，reaction time，addition of initiator，addition of monomer，reaction temperature were studied.The experiment illustrated that grafting reaction can improve the water resistance of SP adhesives，and the optimal reaction conditions was determined，and these reactions were：4 g wsp，3.39 g wGMA，0.2 g wNaHSO3，0.44g wAPS，3 h of reaction time and 70℃reaction temperature.

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Last Update: 2014-10-06