阅读说明：本技术 一种染色的柔性pla型3d打印服装面料及工艺 (Dyed flexible PLA (polylactic acid) type 3D printing garment fabric and process ) 是由 孟家光 孙昭玲 杨珺乐 程燕婷 杨燕宁 刘艳君 赵澍 薛涛 支超 张新安 王永臻 于 2020-05-29 设计创作，主要内容包括：本发明提供一种染色的柔性PLA型3D打印服装面料及工艺,所述工艺包括步骤1,将待染的柔性PLA型3D打印服装面料在平平加O溶液中洗净后烘干；使用分散蓝2BLN、分散红3B100％和分散黄SE-4N分别配制染液A、染液B和染液C；步骤2,将步骤1得到的面料分别浸泡在染液A、染液B和染液C中,之后将染液A加热到70-90℃、染液B加热到80-95℃、染液C加热到70-95℃,加热期间分别调节染液A的pH为4-7,染液B的pH为4-6,染液C的pH为3-5；步骤3,步骤2染色完成后将得到的面料进行清洗,之后烘干,完成对柔性PLA型3D打印服装面料的染色。(The invention provides a dyed flexible PLA type 3D printing garment material and a process, wherein the process comprises the following steps of 1, cleaning the flexible PLA type 3D printing garment material to be dyed in a peregal O solution, and drying the cleaned flexible PLA type 3D printing garment material; preparing a dye solution A, a dye solution B and a dye solution C by using 100% of disperse blue 2BLN, 100% of disperse red 3B and disperse yellow SE-4N respectively; step 2, respectively soaking the fabric obtained in the step 1 in a dye liquor A, a dye liquor B and a dye liquor C, then heating the dye liquor A to 70-90 ℃, the dye liquor B to 80-95 ℃, the dye liquor C to 70-95 ℃, and respectively adjusting the pH of the dye liquor A to 4-7, the pH of the dye liquor B to 4-6 and the pH of the dye liquor C to 3-5 during heating; and 3, cleaning the fabric obtained after dyeing in the step 2, and then drying to finish dyeing the flexible PLA type 3D printing garment fabric.)

1. The dyeing process of the flexible PLA type 3D printing garment material is characterized by comprising the following steps:

step 1, cleaning a flexible PLA type 3D printing garment material to be dyed in a peregal O solution and then drying;

preparing a dye solution A, a dye solution B and a dye solution C by using 100% of disperse blue 2BLN, 100% of disperse red 3B and disperse yellow SE-4N respectively;

step 2, respectively soaking the fabric obtained in the step 1 in a dye liquor A, a dye liquor B and a dye liquor C, then heating the dye liquor A to 70-90 ℃, the dye liquor B to 80-95 ℃, the dye liquor C to 70-95 ℃, and respectively adjusting the pH of the dye liquor A to 4-7, the pH of the dye liquor B to 4-6 and the pH of the dye liquor C to 3-5 during heating;

and 3, cleaning the fabric obtained after dyeing in the step 2, and then drying to finish dyeing the flexible PLA type 3D printing garment fabric.

2. The dyeing process of the flexible PLA type 3D printing garment material according to the claim 1, characterized in that in the step 1, the material to be dyed is washed in a 2-4g/L peregal O solution with a bath ratio of 1: (20-30).

3. The dyeing process of the flexible PLA type 3D printing garment material according to the claim 1, characterized in that in the step 1, the material to be dyed is washed in peregal O solution at 70-80 ℃ for 20-30 min.

4. The dyeing process of the flexible PLA type 3D printing garment material according to claim 1, characterized in that in step 1, the concentration of disperse blue 2BLN in the dye liquor A is 1.5% -3% (o.w.f); the concentration of disperse red 3B 100% in the dye liquor B is 2% -3.5% (o.w.f); the concentration of disperse yellow SE-4N in the dye liquor C is 1.5-3% (o.w.f).

5. The dyeing process of the flexible PLA type 3D printing garment material according to claim 4, characterized in that the concentration of disperse blue 2BLN in dye liquor A is 1.5% -2.5% (o.w.f); the concentration of disperse red 3B 100% in the dye liquor B is 2% -3% (o.w.f); the concentration of disperse yellow SE-4N in the dye liquor C is 2-3% (o.w.f).

6. The dyeing process of the flexible PLA type 3D printing garment material as claimed in claim 1, wherein in the step 2, 10-20mL/L of benzyl alcohol is added into the dye liquor A before the dye liquor A is heated; adding 16-24mL/L benzyl alcohol into the dye solution B before heating the dye solution B; adding 12-20mL/L of benzyl alcohol into the dye solution C before heating the dye solution C.

7. The dyeing process of the flexible PLA type 3D printing garment material according to the claim 1, characterized in that in the step 2, the material is soaked in a dye liquor A at 70-90 ℃ for 20-40 min; soaking the fabric in dye solution B at the temperature of 80-95 ℃ for 20-45 min; and soaking the fabric in dye solution C at 70-95 ℃ for 40-60 min.

8. The dyeing process of the flexible PLA type 3D printing garment material according to claim 1, wherein the obtained fabric is washed by using a mixed solution of sodium carbonate and sodium hydrosulfite in the step 3, the concentration of the sodium carbonate in the mixed solution is 2-3g/L, and the concentration of the sodium hydrosulfite is 2-4 g/L.

9. The dyeing process of the flexible PLA type 3D printing garment material according to claim 1, characterized in that the bath ratio of the obtained fabric is 1 (20-30) when the fabric is washed, the temperature is 60-70 ℃, and the time is 15-25 min.

10. A dyed garment fabric obtained from the dyeing process of a flexible PLA type 3D printed garment fabric according to any one of claims 1-9.

Technical Field

The invention relates to the technical field of high polymer material dyeing, in particular to a dyed flexible PLA type 3D printing garment fabric and a process.

Background

Most of existing 3D printing clothes are dyed by stock solution in the printing raw material production engineering, so that the printing raw materials are colored raw materials, the 3D printing clothes are single in color, the increasing demand of the clothes field for colors cannot be met, the fashion color changes instantly, and the untimely product value can be changed.

The dyeing process of the 3D printing garment fabric can dye the printed garment fabric, so that the garment fabric can be dyed and adjusted according to running color changes, personalized printing of the garment is achieved, the 3D printing garment technology is promoted to play a role in international competition, and the existing dyeing process of the 3D printing garment fabric is still in a blank state.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides the dyed flexible PLA type 3D printing garment fabric and the process thereof, the process conditions are mild, the dyeing formula is simple, scientific and reasonable, three disperse dyes are adopted to dye the PLA type 3D printing garment fabric, the color fastness to washing and the color fastness to rubbing after dyeing are both above 4-5 levels, the color fastness is high, and the fabric completely meets the requirements of clothes.

The invention is realized by the following technical scheme:

a dyeing process of a flexible PLA type 3D printing garment material comprises the following steps:

step 1, cleaning a flexible PLA type 3D printing garment material to be dyed in a peregal O solution and then drying;

preparing a dye solution A, a dye solution B and a dye solution C by using 100% of disperse blue 2BLN, 100% of disperse red 3B and disperse yellow SE-4N respectively;

step 2, respectively soaking the fabric obtained in the step 1 in a dye liquor A, a dye liquor B and a dye liquor C, then heating the dye liquor A to 70-90 ℃, the dye liquor B to 80-95 ℃, the dye liquor C to 70-95 ℃, and respectively adjusting the pH of the dye liquor A to 4-7, the pH of the dye liquor B to 4-6 and the pH of the dye liquor C to 3-5 during heating;

and 3, cleaning the fabric obtained after dyeing in the step 2, and then drying to finish dyeing the flexible PLA type 3D printing garment fabric.

Preferably, in the step 1, the fabric to be dyed is washed in a 2-4g/L peregal O solution, wherein the bath ratio is 1: (20-30).

Preferably, in the step 1, the fabric to be dyed is washed in peregal O solution at 70-80 ℃ for 20-30 min.

Preferably, the concentration of disperse blue 2BLN in dye liquor a in step 1 is 1.5% to 3% (o.w.f); the concentration of disperse red 3B 100% in the dye liquor B is 2% -3.5% (o.w.f); the concentration of disperse yellow SE-4N in the dye liquor C is 1.5-3% (o.w.f).

Further, the concentration of disperse blue 2BLN in the dye liquor A is 1.5-2.5% (o.w.f); the concentration of disperse red 3B 100% in the dye liquor B is 2% -3% (o.w.f); the concentration of disperse yellow SE-4N in the dye liquor C is 2-3% (o.w.f).

Preferably, in the step 2, 10-20mL/L of benzyl alcohol is added into the dye liquor A before the dye liquor A is heated; adding 16-24mL/L benzyl alcohol into the dye solution B before heating the dye solution B; adding 12-20mL/L of benzyl alcohol into the dye solution C before heating the dye solution C.

Preferably, in the step 2, the fabric is soaked in the dye liquor A at the temperature of 70-90 ℃ for 20-40 min; soaking the fabric in dye solution B at the temperature of 80-95 ℃ for 20-45 min; and soaking the fabric in dye solution C at 70-95 ℃ for 40-60 min.

Preferably, in the step 3, the obtained fabric is washed by using a mixed solution of sodium carbonate and sodium hydrosulfite, wherein the concentration of sodium carbonate in the mixed solution is 2-3g/L, and the concentration of sodium hydrosulfite is 2-4 g/L.

Preferably, the bath ratio of the obtained fabric in cleaning is 1 (20-30), the temperature is 60-70 ℃, and the time is 15-25 min.

A dyed garment material obtained by the dyeing process of the flexible PLA type 3D printed garment material.

Compared with the prior art, the invention has the following beneficial technical effects:

the dyeing process of the flexible PLA type 3D printing garment fabric comprises the steps of firstly washing and drying the fabric in a peregal O solution, so that the 3D printing fabric can be washed clean for subsequent dyeing, then preparing dye solutions by adopting disperse blue 2BLN, disperse red 3B 100% and disperse yellow SE-4N dyes, heating the dye solutions to reach a certain temperature, adjusting the pH value of the dye solutions, respectively dyeing the flexible PLA type 3D printing garment fabric, washing the fabric obtained after dyeing is completed, and then drying the fabric, wherein the fabric after dyeing completely meets the requirements of clothes, so that the color individuation of the 3D printing garment is better realized.

And further, benzyl alcohol is selected as an auxiliary agent and added before heating, so that the color fastness to washing and rubbing of the dyed fabric is both above grade 4-5, and the color fastness is high.

Detailed Description

The invention relates to a dyeing process of a flexible PLA type 3D printing garment material, wherein the flexible PLA type 3D printing garment material is a garment material printed by polylactic acid, and the dyeing process comprises the following dyeing steps:

step 1, a fabric pretreatment process,

the fabric to be dyed is put in a flat-adding O solution of 2-4g/L with a bath ratio of 1: (20-30) and treating at the temperature of 70-80 ℃ for 20-30min, cleaning and drying for later use, so that the 3D printed fabric can be cleaned for subsequent dyeing.

Step 2, preparing a dye solution,

dye solutions are prepared according to 1.5-3% (o.w.f) disperse blue 2BLN, 2-3.5% (o.w.f) disperse red 3B 100% and 1.5-3% (o.w.f) disperse yellow SE-4N respectively.

In the preferred scheme, the disperse blue 2BLN dye solution is prepared according to 1.5-2.5% (o.w.f), the disperse red 3B 100% dye solution is prepared according to 2-3% (o.w.f), and the disperse yellow SE-4N dye solution is prepared according to 2-3% (o.w.f).

Step 3, dyeing the fabric,

respectively placing the fabric in the dye solution obtained in the step 2, firstly respectively adding 10-20mL/L of benzyl alcohol into disperse blue 2BLN dye solution, adding 16-24mL/L of benzyl alcohol into disperse red 3B 100% dye solution, adding 12-20mL/L of benzyl alcohol into disperse yellow SE-4N dye solution, wherein the benzyl alcohol is a dyeing promoter;

heating the dye solution after uniformly stirring to ensure that the dyeing temperature of the disperse blue 2BLN dye solution is 70-90 ℃, the dyeing temperature of the disperse red 3B100 percent dye solution is 80-95 ℃, and the dyeing temperature of the disperse yellow SE-4N dye solution is 70-95 ℃;

respectively adjusting the pH value of the dye liquor by using glacial acetic acid during heating to ensure that the pH value of the disperse blue 2BLN dye liquor is 4-7, the pH value of the disperse red 3B 100% dye liquor is 4-6, and the pH value of the disperse yellow SE-4N dye liquor is 3-5; the dyeing time of the three dye solutions is respectively as follows: the dyeing time of the disperse blue 2BLN dye solution is 20-40min, the dyeing time of the disperse red 3B 100% dye solution is 20-45min, and the dyeing time of the disperse yellow SE-4N dye solution is 40-60 min.

Step 4, a fabric reduction and cleaning process,

and (3) under the conditions of 2-3g/L of sodium carbonate, 2-4g/L of sodium hydrosulfite and a bath ratio of 1 (20-30) and a temperature of 60-70 ℃, the sodium carbonate and the sodium hydrosulfite form a solution in water to play a role in cleaning and color fixing, and after the three pieces of fabric are cleaned in a constant-temperature water bath kettle for 15-25min, the three pieces of fabric are taken out for drying and removing loose colors so as to increase the dyeing fastness.

The present invention is further described in detail below with reference to specific examples, which are intended to be illustrative, but not limiting, of the present invention, of which example 1 is the most preferred example.