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首页> 外文期刊>Materials Letters >Properties of acrylic resinano-SiO_2 leather finishing agent prepared via emulsifier-free emulsion polymerization
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Properties of acrylic resinano-SiO_2 leather finishing agent prepared via emulsifier-free emulsion polymerization

机译：无乳化乳液聚合制备丙烯酸树脂/纳米SiO_2皮革涂饰剂的性能

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摘要

Acrylic resinano-SiO2 leather finishing agent was prepared via emulsifier-free emulsion polymerization. Fourier Transform Infrared Spectroscopy (FT-IR) indicated that the structure of acrylic resinano-SiO_2. Dynamics Laser Scattering (DLS) indicated that the average diameter of acrylic resinano-SiO_2 (155.5 nm) was bigger than pure acrylic resin (97.7 nm) and correspondingly ζ potential decreased. Differential Scanning Calorimeters (DSC) analysis showed that the glass transition temperature (Tg) of the EFAR/SiO_2 (Tg=- 18.2 ℃) was higher than that of EFAR (Tg= -23.6 ℃). Moreover, in contrast to acrylic resin, the applied properties of the leather finished by the acrylic resinano-SiO_2 were measured: water vapor permeability increased by 7.80% as well as water uptake decreased by 17.89%.
机译：通过无乳化剂乳液聚合制备丙烯酸树脂/纳米SiO2皮革涂饰剂。傅立叶变换红外光谱（FT-IR）表明丙烯酸树脂/纳米SiO_2的结构。动态激光散射（DLS）表明丙烯酸树脂/纳米SiO_2的平均直径（155.5 nm）大于纯丙烯酸树脂（97.7 nm），并且ζ电势相应降低。差示扫描量热仪（DSC）分析表明，EFAR / SiO_2（Tg = -18.2℃）的玻璃化转变温度（Tg）高于EFAR（Tg = -23.6℃）。此外，与丙烯酸树脂相比，测量了由丙烯酸树脂/纳米SiO_2整理的皮革的应用性能：水蒸气渗透率提高了7.80％，吸水率降低了17.89％。

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