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StructureR詳CEL 4400E是一种新型的、使用方便的水溶性非离子流变调节剂,具有优异的增稠效果、外观改善性能和泡沫改进特性。实验表明,在皂基沐浴露体系中,Structure CEL 4400E在增稠,提高配方稳定性,增泡和稳泡性能上,都优于羟乙基纤维素和羟丙基甲基纤维素。 相似文献
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MAP体系洁面乳流变性的研究 总被引:2,自引:0,他引:2
本文主要针对以单烷基磷酸酯盐MAP为主表面活性剂的洁面乳体系,研究了主要成分增稠剂、主表面活性剂以及三种辅助表面活性剂对产品粘度的影响,研究结果表明:在单烷基磷酸酯为主表面活性剂的洁面乳体系中,汉生胶有较好的增稠性能,并能赋予产品良好的剪切变稀性能;主表面活性剂MAP明显降低体系的粘度,加入量较大时加大了体系增稠的难度;辅助表面活性剂羟磺甜菜碱和椰油酸单乙醇酰胺都有很好的稳泡、增稠性能;烷基糖苷增稠性能一般,而且不同浓度APG的加入量不会改变产品剪切稀化的趋势. 相似文献
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以矿油为油脂,三乙醇胺为中和剂,研究了脂肪酸组成、皂化度、油脂含量对皂基乳液体系性能和肤感体验的影响。结果表明,脂肪酸、碱、矿油、皂化度、实际皂含量等对皂基乳液体系的粘度、pH和平均粒径都有一定程度的影响。乳液pH由体系皂含量决定,皂基越多pH越高;皂基乳液体系表观粘度则由矿油、未被皂化的游离脂肪酸、皂含量共同决定,矿油和未被皂化的游离脂肪酸越多粘度越高,生成的皂基越多粘度越低;脂肪酸添加量越高,质感越厚重;矿油添加量越高,后端滋润感越明显;生成的皂基含量越高,后端干涩感则会越明显。 相似文献
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以棕榈酸和硬脂酸为脂肪酸,三乙醇胺为碱,在皂基和高pH条件下,通过单甘脂和多元醇快速将油脂乳化,加入防腐剂和功效成分等制备出一种保湿滋润的皂基乳液,并研究了多元醇量、脂肪酸量、脂肪酸比、增稠剂对乳液黏度、pH、粒径分布的影响. 相似文献
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根据皂氨型洁面的开发需求,首先筛选合适的皂基型表面活性剂和氨基酸型表面活性剂;然后对皂基型表面活性剂和氨基酸型表面活性剂的配比进行优化,得出最优配比;最后将制得的复配皂氨型洁面与市售单一的皂基型洁面和单一的氨基酸型洁面的性能进行对比测试。结果表明,皂氨复配的皂氨型洁面对皮肤刺激性比单一皂基型洁面和单一氨基酸型洁面都小;皂氨复配的皂氨型洁面对油脂的清除率介于单一的皂基型和单一的氨基酸型洁面之间,为90.2%;皂氨型洁面在使用感方面整体上优于单一皂基型洁面和单一氨基酸型洁面。 相似文献
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以肉桂为原料,通过水蒸气蒸馏法制备肉桂提取液,研究其抗菌效果,并开发肉桂洗洁精。通过抗菌试验测定肉桂提取液对大肠杆菌及空气中杂菌的抑制作用;以去污力和抗菌率为指标,优化肉桂洗洁精的配方。结果表明:肉桂醛质量分数为758和75.8 mg/kg的肉桂提取液的抗菌效果较好,对大肠杆菌、空气中杂菌均有良好的抑制效果。优化的洗洁精配方为:肉桂提取原液质量分数15%,表面活性剂脂肪醇聚氧乙烯醚、十二烷基苯磺酸钠和脂肪醇聚氧乙烯醚硫酸钠的质量分数分别为6%,8%和9%。与市售的洗洁精相比,含15%肉桂提取原液的肉桂洗洁精抗菌效果较强。 相似文献
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近来,由于疫情与食品安全事件频发,人们也越来越重视健康与安全。面对蔬果上的农药残留问题,人们对蔬果清洗剂的需求也日益提高。主要分析了当今市场上蔬果清洗剂的产品功效现状。指出天然、高安全性、抗(抑)菌及高效的蔬果清洗剂将会是市场的发展方向。 相似文献
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有机硅护肤高效清洁剂是以液体石蜡、有机硅油、乳化剂和高分子化合物等配制而成的,它具有去污力强、使用广泛和良好护肤作用等特点。 相似文献
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Ismail Aiad 《应用聚合物科学杂志》2005,98(5):2212-2218
Water‐soluble melamine formaldehyde‐free polycondensate products were prepared. The chemical structure of these polymers was confirmed with different spectroscopic techniques. The effects of these polymers on the rheological properties of the cement pastes were investigated. The rheological parameters (shear stress, yield stress, and plastic viscosity) were calculated with the Bingham model. The minislump of superplasticized cement pastes at different interval times (5, 30, 60, 90, and 120 min) was determined. The results showed that the new superplasticizers increased the fluidity and minislump of the cement pastes and reduced the minislump loss of the cement pastes not only at early ages (30 min) but also at later early ages (120 min). © 2005 Wiley Periodicals, Inc. J Appl Polym Sci 98: 2212–2218, 2005 相似文献
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根据目前玻璃清洗剂的发展趋势,详细研究了一种改性丙烯酸聚合物在玻璃清洗剂中的应用效果。实验结果表明:用含有这种聚合物的清洗剂清洗玻璃后,赋予玻璃表面抗再次污染、表面亲水性更强、防雾、快干、不留痕迹的优异性能。探讨了此聚合物在玻璃清洗剂中的作用机理,展望了此种聚合物的应用前景。 相似文献
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对金溪膨润土的流变性进行了系统研究。结果表明:质量分数、剪切力、溶解温度、加热时间、pH值、冻融条件与时间等变化对金溪膨润土的粘度有较大影响。金溪膨润土溶液具有较高的粘度,当矿浆质量分数达到60%时,其粘度为542.8mPa·s,金溪膨润土溶液为"非牛顿流体",加热时间与温度对金溪膨润土粘度影响较大,金溪膨润土溶液在酸性和碱性条件下都较为稳定,冻融处理后金溪膨润土粘度大幅度下降。 相似文献
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Because of their large specific surface area, aqueous‐based pseudolatex systems of ethylcellulose can absorb large amounts of drugs. In addition, the stability of polymeric particles in biological fluids delays the release of the drug as in controlled drug delivery systems. The aim of the present study was to characterize the rheological properties of latex particles as a measure of their colloidal stability. Here, we report the effect of three variables: pH, electrolyte concentration, and temperature. The rheograms clearly show that the polymer suspensions displayed Bingham plastic behavior. Internal structuring of the latex was greatest at acid and natural pH values, particularly at the highest ionic strength. In acid solutions, only temperature appeared to play a fundamental role; both the shear stress corresponding to the onset of nonlinear viscoelasticity and the elastic modulus at all frequencies were higher at 37°C than those at room temperature. This is assumed to be a consequence of deformation of the polymer particles upon heating. The effect of ionic strength was noticeable only at the natural pH (pH ? 6.5). At high concentrations of sodium chloride, the particles aggregated because of the decrease in double layer repulsion, and as a result, the latex became structured and its elastic modulus subsequently increased. Interestingly, when the temperature was increased further, this structure presumably broke, down, at least partially, and the storage modulus was reduced. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 102: 847–851, 2006 相似文献