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Dyeing and finishing method of fiber fabric containing PLA and PHBV

A fabric and fiber technology, which is applied in the dyeing and finishing field of fabrics containing PLA and PHBV fibers, can solve the problems of uneven dyeing and easy dyeing, and achieve the effects of good dyeing permeability, good setting effect, and good dye compatibility

Active Publication Date: 2015-04-08
NINGBO XINDACHANG WEAVING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The applicant applied for a patent application with application number 201410187667.7 on 2014.05.06, titled "Production Method of PLA and PHBV Blended Fabric", which provided the specific production method of the fabric; however, after the fabric is produced, it needs to be dyed and finished. And other post-processing steps are also crucial to the performance of the fabric and the realization of the above characteristics, which involves the control of process parameters, the selection of dyes, etc. At present, there are no reports and processes for dyeing and finishing of this special fabric. It is recorded that the dyeing durability, uniformity, and decolorization performance of this kind of fabric dyeing and finishing are worth studying; especially the traditional dyeing temperature is relatively high for the dyeing firmness, all reaching above 100 degrees, but it is applied to this PLA and PHBV blended fabric During dyeing, it is easy to cause uneven dyeing and easy to appear dyed flowers

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Embodiment 1

[0021] A method for dyeing and finishing PLA and PHBV blended fabrics, the steps of which include: sewing gray fabric → desizing → tentering → drying → shaping → dyeing → finishing → finished product;

[0022] (2) be specifically that the gray cloth that produces is sewed together (conventional process) to form the continuous gray cloth of certain length, be 600-800m long all can in the specific embodiment, convenient continuous dyeing and finishing;

[0023] (2) Then desizing the sewn gray cloth, because the special composition (PLA and phbv) of the gray cloth of the present invention adopts an enzyme desizing process, specifically placing the gray cloth in a penetrant solution, and the penetrant solution is made of water It is made by mixing and proportioning with the penetrating agent, wherein the amount of penetrating agent added is 3.6g / L, the temperature of the penetrating agent (JFC) solution is 85°C, stay for 15s, then take out the gray cloth and place it in the enzyme ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention discloses a dyeing and finishing method of a fiber fabric containing PLA and PHBV. The dyeing and finishing method comprises the following steps: sewing blank cloth; desizing; tentering; drying; shaping; dyeing; and carrying out post-treatment; particularly, desizing, namely putting the blank cloth into a penetrating agent solution with the concentration being 3.5g / L-4.5g / L; padding in an enzyme solution with the enzyme concentration being 0.6g / L-1.2g / L; dyeing, namely by utilizing disperse dyes, controlling the temperature by phases; in the first phase, continually raising the temperature at 35-55 DEG C at the speed of 2-2.5 DEG C / min; in the second phase, continually raising the temperature at 55-85 DEG C at the speed of 1-1.5 DEG C / min, and keeping the temperature for 8-15 minutes after the temperature is raised to 85 DEG C; in the third phase, continually raising the temperature at 85-100 DEG C at the speed of 0.5-1 DEG C / min, and keeping the temperature for 8-15 minutes after the temperature is raised to 100 DEG C; and in the fourth phase, cooling the temperature to 50 DEG C from 100 DEG C at the speed of 1-2 DEG C / min so as to finish the whole dyeing process. The dyeing and finishing method has the advantages of rapidness in coloring, uniform dyeing and uneasiness of de-coloring.

Description

technical field [0001] The invention relates to the technical field of cloth dyeing and finishing, in particular to a dyeing and finishing method for fabrics containing PLA and PHBV fibers. Background technique [0002] PLA is polylactic acid, a thermoplastic aliphatic polyester, which is a green plastic with good performance. PHBV is a copolymer of new biopolymer 3-hydroxybutyrate and 3-hydroxyvalerate. It is a biological material produced by using starch as raw material and using fermentation engineering technology. It is produced by bacteria and can be Digested by bacteria, it can be decomposed into carbon dioxide, hydrated biomass, and low energy consumption; therefore, using the above two high-quality materials for textile fabrics has the characteristics of low production cost, environmental friendliness, rapid degradation, good hand feeling, and appropriate strength. The applicant applied for a patent application with application number 201410187667.7 on 2014.05.06, t...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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IPC IPC(8): D06P1/16D06P1/44D06P3/85D06L1/14D06M16/00D06B21/00D06M101/32
Inventor 周刚明
Owner NINGBO XINDACHANG WEAVING
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