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Citation: HUANG Zengfang, QU Xiaoyue, MA Junxian. Synthesis,Characterization and Properties of the Hybrid Latexes of Polyurethane and Polystyrene-acrylate and Their Applications in Laminating Adhesives[J]. Chinese Journal of Applied Chemistry, ;2013, 30(12): 1404-1410. doi: 10.3724/SP.J.1095.2013.30040 shu

Synthesis,Characterization and Properties of the Hybrid Latexes of Polyurethane and Polystyrene-acrylate and Their Applications in Laminating Adhesives

College of Chemistry and Biology, Zhongshan Institute, University of Electronic Science & Technology of China, Zhongshan 528402, China

Received Date: 15 January 2013
Revised Date: 6 May 2013

Fund Project: Supported by the Natural Science Foundation of Guangdong Province(S2013010013580,9452840301003542)the Science and Technology Project of Zhongshan City(20092A203)

The polyurethane-styrene-acrylate (PUSA) hybrid latexes were prepared by emulsion polymerization of a mixture of polyurethane (PU) prepolymer,butyl acrylate and styrene monomers. The obtained PU prepolymer was end capped by vinyl groups based on ¹H NMR results. The particles' diameter was about 150 nm from the TEM. The thermostability of the hybrid latexes was improved when the content of PU was decreased,and the single T_g was located between those of PU and polystyrene-acrylate (PSA). When the resultant hybrid latexes were applied in paper-plastic and plastic-plastic laminating adhesives,the peel strengths were 14.1 N/2.5 cm and 12.2 N/2.5 cm, respectively.
- polyurethane,
- emulsion polymerization,
- waterborne hybrid latexes,
- laminating adhesive
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