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Citation: Chen Baoquan, Han Xiaozu, Guo Fengchun. Mechanical Properties of Polyepichlorohydrin Polyurethane/Poly(methyl methacrylate) IPNs[J]. Chinese Journal of Applied Chemistry, ;1995, 12(4): 66-69. shu

Mechanical Properties of Polyepichlorohydrin Polyurethane/Poly(methyl methacrylate) IPNs

Changchun Institute of Applied Chemisiry, Chinese Academy of Sciences, Changchun 130022

Received Date: 24 October 1994
Revised Date: 17 April 1995

Five series of polyepichlorohydrin-based polyLirethane/poly(methyl methacrylate) interpenetrating polymer networks (PU(PECH)/PMMA IPNs) were synthesized by adjust-ing composition,molecular weight of PECH,R vahe (isocyanate/hydroxyl ratio),iso-cyanate and crosslinking reagent contents of PU and PMMA,respectively. The tensile strength,elongation at break and modulus of IPNs were measured,and they varied with the synthetic condition greatly. DSC,TEM,dynamic mechanical spectroscopy were employed to explain the changes of mechanical properties. Changes in structure,such as crosslink, inter-penetration and entanglement result in the changes of mechanical properties.
- polyepichlorohydrin polytirethane,
- poly(methyl methacrylate),
- IPN,
- dynamic me-chanical spectroscopy,
- morphology
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