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本文通过对水性木器漆的原料、漆膜品质、技术要求和市场现状分析 ,对中国水性木器漆在未来几年内的市场走势和产品发展趋势作了展望。 相似文献
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介绍了一种单组份水性木器底漆的配方设计,讨论了不同的木器底漆专用丙烯酸乳液种类及用量、成膜助剂种类及用量、打磨填料的种类及用量、抗沉降剂用量等对漆膜性能的影响,制备了漆膜综合性能优异的底漆。研究结果表明:丙烯酸酯H的玻璃化转变温度(T_g)为70.9℃,具有较佳的机械性能;成膜助剂二丙二醇正丁醚(DPnB)与二丙二醇甲醚(DPM)复配,用量分别为体系的3.5%和6.5%,漆膜可在5℃时成膜,具有较高的硬度;以1250目的滑石粉MK-7作为打磨填料,用量占体系的10%,轻微打磨达到飘粉效果,具有较好的打磨性能;以纤维素醚E230X作为抗沉降剂,用量为体系的0.2%,底漆的储存稳定性能达到最优。 相似文献
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水性木器漆是一个特殊体系,有别于传统的溶剂型木器漆,应对其配方中所用树脂及各种助剂作出合理选择,才能获得较好的综合性能。 相似文献
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采用半连续滴加工艺,研制了有机硅改性的羟基丙烯酸乳液,用于制备双组分木器漆,探讨了乳液的羟值、酸单体含量、乳化剂种类、有机硅含量等对乳液稳定性及木器漆性能的影响。 相似文献
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In this study, the effect of air velocity in dehumidification drying environment on one-component waterborne wood top coating drying process is analyzed by drying time and moisture content and surface temperature of coating, in which air temperature is 35°C and relative humidity is 50%, and the air velocity is the only change parameter, varying from 0.2 to 1.2?m/s. It is found that drying time of top coating shortens and moisture content of top coating decreases with increasing air velocity. Surface drying time is about 15?min, hard drying time 21?min, and sanded drying time 37?min. To accelerate the drying speed, the air velocity is increased to more than 0.4?m/s. Moisture content of top coating is 58.2% during surface drying, 31.4% during hard drying, and 21.9% during sanded drying time. An infrared thermometer is used to measure the surface temperature of coating. Surface temperature of top coating is 30.0°C when it is dried to the surface drying degree, 33.5°C when the top coating is dried to the hard drying degree, and 34.6°C when the top coating is dried to the sanded drying degree. The drying degree of coating can be judged from the drying time and surface temperature and moisture content of coating. The drying degree of top coating is better when surface temperature is higher and the moisture content is lower. 相似文献
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单组分聚醋酸乙烯D3级木工胶的研究 总被引:1,自引:1,他引:0
以乙二醛改性PVA(聚乙烯醇)为保护胶体、VAE(乙烯-醋酸乙烯共聚物)乳液为种子乳液和VoeVa10(叔碳酸乙烯酯)为共聚单体,采用种子乳液聚合法和酮肼(DAAM/ADH)交联体系合成了改性PVAc(聚醋酸乙烯)胶粘剂。研究结果表明:当乙二醛改性PVA的缩醛度为15%、m(VoeVa10)∶m(VAc)=10∶100、w(VAE)=10%(相对于乳液总质量而言)和m(ADH)∶m(DAAM)=(0.5~1.5)∶1时,制成的单组分环保型改性PVAc乳液胶粘剂具有良好的耐水性和粘接强度,完全满足欧洲DIN EN 204—1991 D3级木工胶的标准要求。 相似文献
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采用苯丙乳液与改性苯丙乳液共混作为成膜物质,以单宁酸为转锈剂,柠檬酸为配位剂,焦性没食子酸为转锈促进剂,再加入成膜助剂、有机胺类缓蚀剂、渗透剂等,制备了一种可应用于带锈钢材的水性锈转化涂料。通过正交试验和单因素试验确定了涂料的最优配方为:成膜物质65%,转锈剂5%,转锈促进剂2%,缓蚀剂0.6%,渗透剂2%,配位剂0.5%,成膜助剂1.6%,蒸馏水余量。采用塔菲尔极化曲线测量、中性盐雾试验和盐水浸泡试验考察了漆膜的耐蚀性。结果表明,所制水性锈转化涂膜可耐盐雾96 h,耐盐水浸泡168 h,且耐酸性较强,在pH为2的3.5%NaCl溶液中有保护作用。与两款市售涂料相比,该自制水性锈转化涂料具有更好的耐蚀性。 相似文献
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