Technology for producing coloured chitosan fiber by reaction kettle process

Abstract

This invention relates to a reaction kettle colored chitose fiber production, which has following steps: during the dissolving of the colored chitose fiber spinning material, adding the dyestuff into the reaction kettle according to a certain proportion, then stirring the solution to make it into colored spinning slurries, and then through filtering, spinning, drawing-off, washing and drying the material becomes colored fiber. This invention is applied in large-scale production, and the operation method is simple.

Description

technical field

[0001] The invention relates to the field of colored fiber processing in the wet spinning process, in particular to a production technology of colored chitosan fiber. Background technique

[0002] Chitosan fiber is a high polymer fiber extracted from marine organisms. There is no method and technology for producing colored chitosan fibers at present. Chitosan fibers are used for textile dyeing, mainly including chitosan fiber blended yarn dyeing and gray cloth dyeing. However, due to the different coloring mechanism of chitosan fiber and other fibers, the blended yarn and gray fabric will form a large color difference between different materials during dyeing, which will affect the appearance quality of textiles. And this production technology can directly produce colored chitosan fiber, and the color difference problem that occurs when chitosan fiber is blended with other fibers can be solved by the method of color spinning. Contents of the invention [...

Examples

Embodiment Construction

[0007] Below in conjunction with example the present invention is further described:

[0008] (1) Add the prepared raw materials into the reaction kettle, start the machine and stir for 2 hours at room temperature, take 15g of black dye at the same time, fully dissolve it with 1000ml of pure water, pour it into the reaction kettle, and continue stirring for 2 hours. After the raw material is completely dissolved, it becomes a colored spinning liquid, and then the spinning liquid is filtered and enters the spinning process. The spinning solution is sprayed into the coagulation bath from the spinneret, and after further drawing, washing and dehydration, black chitosan fibers are obtained.

[0009] (2) Add the prepared raw materials into the reaction kettle, start the machine and stir for 2 hours at room temperature, at the same time take 20g of yellow pigment, fully dissolve it with 1000ml of pure water, pour it into the reaction kettle, and continue stirring for 2 hours. After...

technical field

[0001] The invention relates to the field of colored fiber processing in the wet spinning process, in particular to a production technology of colored chitosan fiber. Background technique

[0002] Chitosan fiber is a high polymer fiber extracted from marine organisms. There is no method and technology for producing colored chitosan fibers at present. Chitosan fibers are used for textile dyeing, mainly including chitosan fiber blended yarn dyeing and gray cloth dyeing. However, due to the different coloring mechanism of chitosan fiber and other fibers, the blended yarn and gray fabric will form a large color difference between different materials during dyeing, which will affect the appearance quality of textiles. And this production technology can directly produce colored chitosan fiber, and the color difference problem that occurs when chitosan fiber is blended with other fibers can be solved by the method of color spinning. Contents of the invention [...

Examples

Embodiment Construction

[0007] Below in conjunction with example the present invention is further described:

[0008] (1) Add the prepared raw materials into the reaction kettle, start the machine and stir for 2 hours at room temperature, take 15g of black dye at the same time, fully dissolve it with 1000ml of pure water, pour it into the reaction kettle, and continue stirring for 2 hours. After the raw material is completely dissolved, it becomes a colored spinning liquid, and then the spinning liquid is filtered and enters the spinning process. The spinning solution is sprayed into the coagulation bath from the spinneret, and after further drawing, washing and dehydration, black chitosan fibers are obtained.

[0009] (2) Add the prepared raw materials into the reaction kettle, start the machine and stir for 2 hours at room temperature, at the same time take 20g of yellow pigment, fully dissolve it with 1000ml of pure water, pour it into the reaction kettle, and continue stirring for 2 hours. After...