Polyhydroxyacrylate-polyurethane semi-interpenetrating polymer networks

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[1] Ros¸u, D.
[2] Ciobanu, C.
[3] Cas¸caval, C.N.
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Rosu, D. | 1600年 / Elsevier Science Ltd, Exeter, United Kingdom卷 / 37期
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Experimental; (EXP);
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摘要：
A series of semi-interpenetrating polymer networks based on a polyhydroxyacrylate of Bisphenol A and a polyurethane was synthesized by the simultaneous polymerization technique. The polyhydroxyacrylate resin was cross-linked in the presence of dicumyl peroxide at 130 °C, including in its network structure the linear polyurethane. The synthesized semi-interpenetrating polymer networks were characterized by infrared spectroscopy, differential scanning calorimetry, density measurements, as well as by thermal and mechanical analyses. It was remarked by a high degree of miscibility within the studied systems, and an improvement of the mechanical properties of polyurethane by incorporation of polyhydroxyacrylate resin.
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