Hyperbranched Polyether and Polyether-Urethane Composites with Interpenetrating Networks

Abstract:

In order to improve mechanical properties of polyurethane, hyperbranched interpenetrating network(H-IPN) was achieved by incorporating hyperbranched polyethrs into polyether-Urethane that derived from hydroxyl terminated ethylene oxide tetrahydrofuran copolyether (PET) and isophorone diisocyanate (IPDI). It was found that H-IPN exhibited dual-phase morphology, and hydrogen bonding was formed between hyperbranch polyether and polyether-Urethane. H-IPN shows synergetic effect, the tensile strength of H-IPN increased from 1.39MPa of neat polyether-Urethane to 2.67 MPa; Meanwhile, the elongation increased from 605% of control sample to 2304%.

• Periodical: Advanced Materials Research (Volume 529)
• Pages: 550-554
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.529.550
• Online since: June 2012
• Authors: Xue Jing Song, Yun Jun Luo
• Keywords: Hyperbranched Interpenetrating Network, Hyperbranched Polyether, Morpholoy, Polyether-Urethane, Property Analysis

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