选择了4只蒽醌结构和2只偶氮结构的分散染料,用于Basofil纤维的染色。用0.5molHCI和DMF在高温条件下将纤维上的染料萃取完全后,染料的最大吸收峰不变;在染色达到平衡时,测定了纤维上染料的浓度,结果显示:分子结构小、具有共平面的蒽醌...选择了4只蒽醌结构和2只偶氮结构的分散染料,用于Basofil纤维的染色。用0.5molHCI和DMF在高温条件下将纤维上的染料萃取完全后,染料的最大吸收峰不变;在染色达到平衡时,测定了纤维上染料的浓度,结果显示:分子结构小、具有共平面的蒽醌染料适合上染Basofil纤维。染料的扩散系数和扩散活化能随染色温度上升而明显增加,其中c.I.Disperse Blue 56在纤维中扩散速度最快。实验结果表明:染料的分子结构越小,染料上染量越大,扩散系数和扩散活化能的研究也揭示了相同的规律。展开更多
The Basofil fiber is a new type of high-temperature fiber. Its Limiting Oxygen Index (LOI) value reaches 32. It does not melt, drop down or smolder when it contacts fire. The fiber is condensed from melamine and forma...The Basofil fiber is a new type of high-temperature fiber. Its Limiting Oxygen Index (LOI) value reaches 32. It does not melt, drop down or smolder when it contacts fire. The fiber is condensed from melamine and formaldehyde into a cross-linked with methylene-ether and methylene bridge bond. This thesis discusses the change of fiber structure and performance after the acid treatment.展开更多
文摘选择了4只蒽醌结构和2只偶氮结构的分散染料,用于Basofil纤维的染色。用0.5molHCI和DMF在高温条件下将纤维上的染料萃取完全后,染料的最大吸收峰不变;在染色达到平衡时,测定了纤维上染料的浓度,结果显示:分子结构小、具有共平面的蒽醌染料适合上染Basofil纤维。染料的扩散系数和扩散活化能随染色温度上升而明显增加,其中c.I.Disperse Blue 56在纤维中扩散速度最快。实验结果表明:染料的分子结构越小,染料上染量越大,扩散系数和扩散活化能的研究也揭示了相同的规律。
文摘The Basofil fiber is a new type of high-temperature fiber. Its Limiting Oxygen Index (LOI) value reaches 32. It does not melt, drop down or smolder when it contacts fire. The fiber is condensed from melamine and formaldehyde into a cross-linked with methylene-ether and methylene bridge bond. This thesis discusses the change of fiber structure and performance after the acid treatment.
