SYNTHESIS AND CHARACTERIZATION OF MULTIPLE CROSS-LINKING UV-CURABLE WATERBORNE POLYURETHANE DISPERSIONS

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NIU ZONG; BIAN FENGLING

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Journal: IRANIAN POLYMER JOURNAL Year:2012 | Volume:21 | Issue:4 Page(s): 221-228

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Title

SYNTHESIS AND CHARACTERIZATION OF MULTIPLE CROSS-LINKING UV-CURABLE WATERBORNE POLYURETHANE DISPERSIONS

Author(s)

NIU ZONG | BIAN FENGLING

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Abstract

A series of multiple cross-linking ultraviolet (UV) curable waterborne polyurethane dispersions (UV-PUDs) were synthesized by modification of diglycidyl ether of bisphenol-A-based epoxy resin (E51) through ring-opening by 3-aminpropyltriethoxysilane (APTES). Initially, APTES-E51 was synthesized using APTES to open the epoxy groups of E51. Then, APTES-E51 was incorporated into the chains of polyurethane, and multiple cross-linking UV-PUDs were produced. The chemical structures were confirmed by the Fourier-transform infrared spectroscopy (FTIR) and the effect of the APTES-E51 content on the UV-PUDs properties was investigated. The average particle size of UV-PUDs was determined by dynamic light scattering (DLS). The result showed that the average particle size increased with increasing APTES-E51 content and the stability of the UV-PUD storage diminished when the content of APTES-E51 was 10.0%. After modification by APTES-E51, the water absorption of the UV-cured films decreased and the water contact angle (CA) increased significantly. Thermogravimetry analysis (TGA) of the UV-cured films illustrated that APTES-E51 modified UV-curable waterborne polyurethane could exhibit good thermal stability. In addition, mechanical property of the cured films showed that the incorporation of APTES-E51 also improved tensile strength of the cured films. We can obtain good storage stability, satisfied water resistance, and high thermal stability and tensile strength when the APTES-E51 content of the UV-PUD was 9.1%.

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APA: Copy

NIU, ZONG, & BIAN, FENGLING. (2012). SYNTHESIS AND CHARACTERIZATION OF MULTIPLE CROSS-LINKING UV-CURABLE WATERBORNE POLYURETHANE DISPERSIONS. IRANIAN POLYMER JOURNAL (ENGLISH), 21(4), 221-228. SID. https://sid.ir/paper/634983/en

Vancouver: Copy

NIU ZONG, BIAN FENGLING. SYNTHESIS AND CHARACTERIZATION OF MULTIPLE CROSS-LINKING UV-CURABLE WATERBORNE POLYURETHANE DISPERSIONS. IRANIAN POLYMER JOURNAL (ENGLISH)[Internet]. 2012;21(4):221-228. Available from: https://sid.ir/paper/634983/en

IEEE: Copy

ZONG NIU, and FENGLING BIAN, “SYNTHESIS AND CHARACTERIZATION OF MULTIPLE CROSS-LINKING UV-CURABLE WATERBORNE POLYURETHANE DISPERSIONS,” IRANIAN POLYMER JOURNAL (ENGLISH), vol. 21, no. 4, pp. 221–228, 2012, [Online]. Available: https://sid.ir/paper/634983/en

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