阅读说明：本技术 一种含两类涤纶纤维面料匀染技术 (Level dyeing technology for fabric containing two types of polyester fibers ) 是由 赵国平 刘冲 高庆锋 于 2019-09-17 设计创作，主要内容包括：本发明旨在提供一种含两类涤纶纤维面料匀染技术,其特征在于:针对低温涤纶丝和非低温涤纶丝的混纺织品,采用分散染料,在110-130℃以内的温度下,进行染涤工序；其中,所述分散染料,由如下结构所示的化合物A中的至少一种,以及助剂组成：<Image he="545" wi="700" file="DDA0002204439630000011.GIF" imgContent="drawing" imgFormat="GIF" orientation="portrait" inline="no"></Image>R为芳基环上任取代的氢、硝基、烷基、氰基和卤素。选用该分散染料能够实现对混纺涤纶面料的匀染效果。(the invention aims to provide a level dyeing technology for a fabric containing two types of polyester fibers, which is characterized in that a disperse dye is adopted for a blended fabric of low-temperature polyester fibers and non-low-temperature polyester fibers, and the dyeing and washing process is carried out at the temperature within 110-130 ℃; the disperse dye is composed of at least one of compounds A shown in the following structure and an auxiliary agent: r is hydrogen, nitryl, alkyl, cyano and halogen which are optionally substituted on an aryl ring. The disperse dye can be used for realizing the level dyeing effect on the blended polyester fabric.)

1. A level dyeing technology for a fabric containing two types of polyester fibers is characterized by comprising the following steps:

aiming at the blended fabric of the low-temperature polyester yarns and the non-low-temperature polyester yarns, disperse dye is adopted to carry out the dyeing and washing process at the temperature within 110-130 ℃;

The disperse dye is composed of at least one of compounds A shown in the following structure and an auxiliary agent:

r is hydrogen, nitryl, alkyl, cyano and halogen which are optionally substituted on an aryl ring.

2. The level dyeing technology of the fabric containing two types of polyester fibers, as claimed in claim 1, is characterized in that:

The structure of compound a is selected from:

3. The level dyeing technology of the fabric containing two types of polyester fibers, as claimed in claim 1, is characterized in that:

the proportion of the compound A to the auxiliary agent is 1: 0.2-0.6.

4. the level dyeing technology of the fabric containing two types of polyester fibers, as claimed in claim 1, is characterized in that:

The adjuvant comprises a dispersant.

5. The level dyeing technology of the fabric containing two types of polyester fibers, as claimed in claim 4, is characterized in that:

the dosage of the dispersant is 80-100% of the total mass of the auxiliary agent.

6. The level dyeing technology of the fabric containing two types of polyester fibers, as claimed in claim 4, is characterized in that:

the auxiliary agent also comprises at least one of cellulose, an anti-settling agent, a diluent and a wetting agent.

7. The level dyeing technology of the fabric containing two types of polyester fibers, as claimed in claim 1, is characterized in that:

the disperse dye is used by mixing the compound a with an auxiliary agent and then grinding the mixture into powder of 1 μm or less.

8. The level dyeing technology of the fabric containing two types of polyester fibers, as claimed in claim 1, is characterized in that:

The addition amount of the disperse dye is 0.5-5% in the using process.

9. the level dyeing technology of the fabric containing two types of polyester fibers as claimed in any one of claims 1 to 8, which is characterized in that:

When the content ratio of the low-temperature polyester yarns to the non-low-temperature polyester yarns in the fabric is more than 1: 0.7 hour, the dyeing process is carried out for 30-40 minutes at the temperature within 110-115 ℃;

When the content ratio of the low-temperature polyester yarns to the non-low-temperature polyester yarns in the fabric is 1: 0.7-1.2 hours, the dyeing process is carried out for 25-35 minutes at the temperature within 115-120 ℃;

When the content ratio of the low-temperature polyester yarns to the non-low-temperature polyester yarns in the fabric is less than 1: 1.2, the dyeing process is carried out at the temperature of 120-130 ℃ for 15-30 minutes.

10. The level dyeing technology of the fabric containing the two types of polyester fibers, as recited in claim 9, is characterized in that:

And a leveling agent is also used in the dyeing and washing process.

Technical Field

The invention relates to the field of fabric dyeing, in particular to a level dyeing technology for a fabric containing two types of polyester fibers.

background

disclosure of Invention

The invention aims to solve the defects, and the proper disperse dyes are selected, and the proper dyeing balance point is found by selecting the proper dyeing temperature between 110 ℃ and 130 ℃, so that the two polyester yarns can be uniformly dyed, and the effect of uniform dyeing is achieved.

the invention provides a level dyeing technology for a fabric containing two types of polyester fibers, which is characterized by comprising the following steps of:

The invention provides a level dyeing technology for a fabric containing two types of polyester fibers, which is characterized in that a disperse dye is adopted for a blended fabric of low-temperature polyester fibers and non-low-temperature polyester fibers, and the dyeing and washing process is carried out at the temperature within 110-130 ℃;

the disperse dye is composed of at least one of compounds A shown in the following structure and an auxiliary agent:

R is hydrogen, nitryl, alkyl, cyano and halogen which are optionally substituted on an aryl ring.

further, the level dyeing technology for the fabric containing the two types of polyester fibers is characterized in that the structure of the compound A is selected from the following groups:

Further, the level dyeing technology for the fabric containing the two types of polyester fibers is characterized in that the ratio of the compound A to the auxiliary agent is 1: 0.2-0.6.

Further, the level dyeing technology for the fabric containing the two types of polyester fibers is characterized in that the auxiliary agent contains a dispersing agent.

further, the level dyeing technology for the fabric containing the two types of polyester fibers is characterized in that the using amount of the dispersing agent is 80-100% of the total mass of the auxiliary agent.

Furthermore, the level dyeing technology for the fabric containing the two types of polyester fibers is characterized in that the auxiliary agent further comprises at least one of cellulose, an anti-settling agent, a diluent and a wetting agent.

The level dyeing technology for the fabric containing the two types of polyester fibers is further characterized in that the disperse dye is used by mixing the compound A and the auxiliary agent and then grinding the mixture into powder with the particle size of less than 1 mu m.

further, the level dyeing technology for the fabric containing the two types of polyester fibers is characterized in that the addition amount of the disperse dye is 0.5-5% in the using process.

further, the level dyeing technology for the fabric containing the two types of polyester fibers is characterized in that when the content ratio of the low-temperature polyester fibers to the non-low-temperature polyester fibers in the fabric is more than 1: 0.7 (no) (i.e. mainly low-temperature polyester yarn), and dyeing for 30-40 min at the temperature of 110-115 ℃;

when the content ratio of the low-temperature polyester yarns to the non-low-temperature polyester yarns in the fabric is 1: when the temperature is 0.7 (inclusive) -1.2 (inclusive) (namely, the low-temperature polyester yarn is equivalent to the non-low-temperature polyester yarn), the dyeing process is carried out for 25-35 minutes at the temperature within 115-120 ℃;

When the content ratio of the low-temperature polyester yarns to the non-low-temperature polyester yarns in the fabric is less than 1: 1.2 (no), namely, the non-low temperature polyester yarn is taken as the main material, and the dyeing process is carried out for 15-30 minutes at the temperature within 120-130 ℃.

Further, the level dyeing technology for the fabric containing the two types of polyester fibers is characterized in that a level dyeing agent is additionally used in the dyeing and washing process.

The invention has the following functions and effects:

In the invention, a proper disperse dye is selected, a proper dyeing balance point is found by selecting a proper dyeing temperature between 110 ℃ and 130 ℃, so that two polyester yarns can be uniformly dyed, and the effect of level dyeing is achieved, wherein by taking a specific example as an example, the dyeing rate of the fabric dyed by the product reaches 88-92%, and the fastness to washing at 60 ℃ and 100 ℃ reaches 4-5 levels.

Detailed Description