SDS of cas: 4048-33-3In 2021 ,《Electrostatic spinning based on aqueous polyurethane block-modified polycaprolactone and its hydrophilicity study》 appeared in Macromolecular Materials and Engineering. The author of the article were Wang, Faqiang; Wang, Xueting; Xi, Yanni; Liu, Kexin; Li, Zhanxiong. The article conveys some information:
In this study, waterborne polyurethane hydrophilic block copolymer PCL-b-WPU is obtained through step-growth addition polymerization reaction to improve the hydrophilicity of polycaprolactone (PCL). Then, films are prepared via solution casting method and electrospinning. PCL-b-WPU nanofibrous membranes have a higher initial water contact angle of 106°, but they can be completely wetted from the surface to the back within 120 s, with good wet absorption and quick-drying performance. Hollow fibers are fabricated via coaxial electrospinning by controlling the process parameters. PCL-b-WPU is used as shell material and polyoxyethylene as the core. Low-field NMR technol. is used to analyze the moisture distribution and the state of water within solid, porous, and porous hollow fibers. Their bound water is 14.5%, 27.5%, and 31.1%, resp. These results suggest that the introduction of the WPU chain and the construction of a rough surface significantly improve the hydrophilicity of PCL. PCL-b-WPU membranes are expected to be further developed and utilized for moisture-absorbing and quick-drying textiles, wound dressings, and biol. scaffolds. In the part of experimental materials, we found many familiar compounds, such as 6-Aminohexan-1-ol(cas: 4048-33-3SDS of cas: 4048-33-3)
6-Aminohexan-1-ol(cas: 4048-33-3) can undergo cyclization over copper supported on γ-alumina and magnesia to form hexahydro-1H-azepine. It may be used along with glutaric acid to generate poly(ester amide)s with excellent film- and fiber forming properties.SDS of cas: 4048-33-3
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