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2009•China AdhesivesRequires access

Study on synthesis and application of waterborne polyurethane modified by acrylate

YU Hai-shen

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Abstract

With isocyanate,polyether polyol and dimethylol propionic acid(DMPA) as main raw materials,the waterborne polyurethane(WPU) prepolymer was synthesized.The waterborne polyurethane modified by acrylate(PUA) was prepared through the steps of a prescribed procedure,such as extending chain,crosslinking and hybridization of acrylate.The results showed that the waterborne PUA had dual advantages of polyurethane(PU) and acrylate,good low-temperature film-forming and combination properties,lower cost and VOC content.The main properties of wood coating prepared by PUA met standard of HG/T 36 082-1999.

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What this paper is about

With isocyanate,polyether polyol and dimethylol propionic acid(DMPA) as main raw materials,the waterborne polyurethane(WPU) prepolymer was synthesized.The waterborne polyurethane modified by acrylate(PUA) was prepared through the steps of a prescribed procedure,such as extending chain,crosslinking and hybridization of acrylate.The results showed that the waterborne PUA had dual advantages of polyurethane(PU) and acrylate,good low-temperature film-forming and combination properties,lower cost and VOC content.The main properties of wood coating prepared by PUA met standard of HG/T 36 082-1999.

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Available abstract

With isocyanate,polyether polyol and dimethylol propionic acid(DMPA) as main raw materials,the waterborne polyurethane(WPU) prepolymer was synthesized.The waterborne polyurethane modified by acrylate(PUA) was prepared through the steps of a prescribed procedure,such as extending chain,crosslinking and hybridization of acrylate.The results showed that the waterborne PUA had dual advantages of polyurethane(PU) and acrylate,good low-temperature film-forming and combination properties,lower cost and VOC content.The main properties of wood coating prepared by PUA met standard of HG/T 36 082-1999.

Key concepts: Polyurethane, Acrylate, Prepolymer, Polyol, Materials science, Isocyanate, Coating, Polymer chemistry

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