A high utilization ratio in silk dyeing can be achieved by using dyes containingtwo reactive groups.Two types of these dyes were used,one containing twomonochlorotriazinyl groups(Ke reactive dyes),the other containtin...A high utilization ratio in silk dyeing can be achieved by using dyes containingtwo reactive groups.Two types of these dyes were used,one containing twomonochlorotriazinyl groups(Ke reactive dyes),the other containting amonochlorotriazinyl group and a β-sulphatoethyl sulphonyl group(M reactive dyes)The application of these dyes was studled on the laboratory scale.The dyeingwas carrled out by one-step batch method.The dyeing conditions wereoptimized to get the maxlum utilization ratio.They are PH8-9(for M dyes),9(for KE type dyes),salt concentration 50g/1,dyeing temp.80℃ and dyeingtlme 100 min.The utilization ratio was about 80-93% depending on the dyesused.The dyeings showed high resistance towards aeld and alkaline hydrolysis.The hydrolysis was about 1.12%(at PH6.8)to 3.1%(at PH 10.6).It was muchlower than that of dyeings with conventional reactive dyes.The soaping,washing,perspiration and rubbing fastness of dyed silk fabrics were excellent.展开更多
针对活性染料传统水浴染色染料利用率低、耗水量大等问题,在前期研究的皮克林乳液染色方法的基础上,研究了皮克林乳液染色的适用性。通过EHS指标和毒理学数据评估皮克林乳液染色所用溶剂苯甲醚的安全性,通过染料提升力和染色废水测试比...针对活性染料传统水浴染色染料利用率低、耗水量大等问题,在前期研究的皮克林乳液染色方法的基础上,研究了皮克林乳液染色的适用性。通过EHS指标和毒理学数据评估皮克林乳液染色所用溶剂苯甲醚的安全性,通过染料提升力和染色废水测试比较皮克林乳液染色优势。结果表明,活性染料非均相体系染料提升力较好,可用于染深色,且废水颜色较水浴染色浅。用高效液相色谱(HPLC)法测定了Remazol Navy RGB染料水解/醇解过程中染料各组分含量变化结果表明,苯甲醚皮克林乳液介质中染料水解/醇解比低,其中双水解染料量为5.53%,远低于水浴染色中的18.10%。展开更多
文摘A high utilization ratio in silk dyeing can be achieved by using dyes containingtwo reactive groups.Two types of these dyes were used,one containing twomonochlorotriazinyl groups(Ke reactive dyes),the other containting amonochlorotriazinyl group and a β-sulphatoethyl sulphonyl group(M reactive dyes)The application of these dyes was studled on the laboratory scale.The dyeingwas carrled out by one-step batch method.The dyeing conditions wereoptimized to get the maxlum utilization ratio.They are PH8-9(for M dyes),9(for KE type dyes),salt concentration 50g/1,dyeing temp.80℃ and dyeingtlme 100 min.The utilization ratio was about 80-93% depending on the dyesused.The dyeings showed high resistance towards aeld and alkaline hydrolysis.The hydrolysis was about 1.12%(at PH6.8)to 3.1%(at PH 10.6).It was muchlower than that of dyeings with conventional reactive dyes.The soaping,washing,perspiration and rubbing fastness of dyed silk fabrics were excellent.
文摘针对活性染料传统水浴染色染料利用率低、耗水量大等问题,在前期研究的皮克林乳液染色方法的基础上,研究了皮克林乳液染色的适用性。通过EHS指标和毒理学数据评估皮克林乳液染色所用溶剂苯甲醚的安全性,通过染料提升力和染色废水测试比较皮克林乳液染色优势。结果表明,活性染料非均相体系染料提升力较好,可用于染深色,且废水颜色较水浴染色浅。用高效液相色谱(HPLC)法测定了Remazol Navy RGB染料水解/醇解过程中染料各组分含量变化结果表明,苯甲醚皮克林乳液介质中染料水解/醇解比低,其中双水解染料量为5.53%,远低于水浴染色中的18.10%。
