鈦酸酯偶聯(lián)劑表面改性納米氫氧化鋁阻燃劑的工藝
發(fā)布時間:2018-04-04 18:14
本文選題:納米氫氧化鋁 切入點:正交實驗 出處:《表面技術(shù)》2017年04期
【摘要】:目的以化學(xué)鍵合法替代傳統(tǒng)物理包覆法改性納米氫氧化鋁(Nano-ATH)阻燃劑,改善其在有機高聚物中的分散穩(wěn)定性和相容性。方法以鈦酸酯偶聯(lián)劑UP-311濕法表面改性Nano-ATH,運用正交實驗的方法,研究改性劑用量、改性溫度、改性時間對Nano-ATH粒徑的影響,并通過紅外光譜、粒度及Zeta電位等分析手段對最佳改性條件下制備的Nano-ATH的改性效果進行評價。結(jié)果最佳改性條件為:改性劑用量3%(占Nano-ATH質(zhì)量的百分比),改性溫度75℃,改性時間30 min,鈦酸酯偶聯(lián)劑與Nano-ATH以化學(xué)鍵結(jié)合。結(jié)論 Nano-ATH的表面性能由親水疏油變?yōu)橛H油疏水,達到了對Nano-ATH阻燃劑改性修飾的目的。
[Abstract]:Aim to improve the dispersion stability and compatibility of nano-aluminum hydroxide Nano-ATH flame retardant modified by chemical bond method.Methods Nano-ATH was modified by wet surface modification with titanate coupling agent UP-311. The effects of the dosage of modifier, modification temperature and modification time on the particle size of Nano-ATH were studied by orthogonal experiment.Particle size and Zeta potential were used to evaluate the modification effect of Nano-ATH prepared under the optimum modification conditions.Results the optimum modification conditions were as follows: the dosage of modifier was 3% of the mass of Nano-ATH, the modification temperature was 75 鈩,
本文編號:1711106
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