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Journal of Polymer Research

Erschienen in:

01.11.2013 | Original Paper

Synthesis and characterization of self-crosslinked polyurethane/polyacrylate composite emulsion based on carbonyl–hydrazide reaction

verfasst von: Xiaorui Li, Xiaorong Wang, Yiding Shen, Xiaojuan Lai, Rui Wang, Haiyan Lv, Huabo Fan

Erschienen in: Journal of Polymer Research | Ausgabe 11/2013

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Abstract

Self-crosslinkable aqueous polyurethane (PU)/polyacrylate (PA) composite emulsion was obtained by radical copolymerization. Fourier transform infrared spectroscopy (FT-IR) result shows that the cross-linking reaction between the carbonyl group and the hydrazine group has happened. The influence of the hydrazide-carbonyl molar ratio and the PA content on the properties of the composite emulsions and their films were investigated. The results show that, under the optimal hydrazide-carbonyl molar ratio (n (hydrazine group)/n (carbonyl group) =1:1), the water absorption is 10.56 %, and the mechanical properties and thermal stabilities are both improved. As the PA content increases from 0 wt% to 15 wt%, the tensile strength increases from 5.7 MPa to 7.3 MPa and the gel content increases from 70.3 % to 87 %.

Vorheriger Artikel Preparation of intercross-linked poly(L-lactide) and epoxy resin using N-benzyl pyrazine hexafluoroantimonate

Nächster Artikel Self-assembled nanostructure of polybenzoxazine resins from reaction-induced microphase separation with poly(styrene-b-4-vinylpyridine) copolymer

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Titel: Synthesis and characterization of self-crosslinked polyurethane/polyacrylate composite emulsion based on carbonyl–hydrazide reaction
verfasst von: Xiaorui Li
Xiaorong Wang
Yiding Shen
Xiaojuan Lai
Rui Wang
Haiyan Lv
Huabo Fan
Publikationsdatum: 01.11.2013
Verlag: Springer Netherlands
Erschienen in: Journal of Polymer Research / Ausgabe 11/2013
Print ISSN: 1022-9760
Elektronische ISSN: 1572-8935
DOI: https://doi.org/10.1007/s10965-013-0270-x

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