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Process of producing a dyed cleaned material

阅读:979发布:2023-02-26

专利汇可以提供Process of producing a dyed cleaned material专利检索,专利查询,专利分析的服务。并且A process of producing a dyed cleaned material comprising first applying to virgin material a dyeing medium, next drying the material and then treating the material with a cleaning substance containing acetone. The acetone may be diluted with water in a proportion up to 50 percent water. The dyeing medium may be a non-aqueous solvent dyeing medium. The non-aqueous dyeing medium may be combined with a material for which the solvent has an affinity higher than it has for the dye, e.g., a silicone.,下面是Process of producing a dyed cleaned material专利的具体信息内容。

  • 2. A process as claimed in claim 1 in which the diluent is a neutral diluent.
  • 3. A process as claimed in claim 2 in which the neutral diluent is water.
  • 4. A process as claimed in claim 1 in which the material is treated with the cleaning substance at a temperature lying within the range 40* - 50* C.
  • 5. A process as claimed in claim 1 including the additional step of drying the material after treatment with the cleaning substance.
  • 6. A process as claimed in claim 5 in which the step of drying the material consists in subjecting the material to a sub-atmospheric pressure below the vapour pressure of the cleaning substance.
  • 7. A process as claimed in claim 1 in which the dyeing medium is an aqueous dyeing medium, i.e., a dyeing medium containing a dyestuff dispersed or dissolved in water.
  • 8. A process as claimed in claim 1 in which the dyeing medium is a solvent dyeing medium, i.e., a dyeing medium containing a dyestuff dispersed or dissolved in a non-aqueous solvent.
  • 9. A process as claimed in claim 8 in which the solvent dyeing medium is a dye, a solvent of the dye and a material for which the solvent has a higher affinity than it has for the dye.
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