Title: PREPARATION AND CHARACTERIZATION OF NOVEL ORGANIC MONTMORILLONITE-REINFORCED BLOCK POLYURETHANE NANOCOMPOSITES
Page Range: p.591-601
Author(s): Wang Jincheng; Chen Yuehui C; Yanquing W
File size: 251K
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Journal: Polymers and Polymer Composites
Issue Year: ppc
Volume: 14
Issue No: No. 6
Abstract
A proprietary process has been developed to manufacture organic montmorillonite (OMMT)-reinforced and isocyanate (-NCO)-blocked pouring-type polyurethane (BPPU) nanocomposites. The BPPU polymer was prepared from phenol-blocked blends of TDI, polyethylene glycol and dichlorodiamidodiphenylmethane (MOCA). The physical and mechanical properties of OMMT reinforced BPPU composites were studied and those containing 4 phr OMMT were found to exhibit good mechanical properties doe to the exfoliation and intercalation of the organic silicate layers. 23 refs.
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