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Novel supramolecular polypropylenes (PP) having self-complementary quadruple hydrogen bonding 2-ureido-4[1H]-pyrimidinone (UPy) groups (UPy-PP) have been synthesized by functionalizing of PP. The mechanical properties donated by the network structure formed by the multiple hydrogen bonding were studied with rheological analyses and tensile tests of the UPy-PP. Unusual melt viscosity of the UPy-PP...
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