Dyeing processing technology and method of rotor spinning technology material

Abstract

The invention discloses a dyeing processing technology and method for an air spinning technology material. The dyeing processing technology comprises the steps that an air spinning textile is divided into size fabrics, fibers are pre-cleaned, and an alkaline cleaning agent is used for pretreatment; putting the pretreated fibers into a dyeing machine, and adding a dye and an auxiliary agent; adjusting process parameters of the dyeing machine, and performing dyeing operation according to the process flow of the dyeing machine; after dyeing is completed, the fibers are taken out of the dyeing machine and subjected to cleaning and neutralizing treatment, and the dyed fibers are dewatered and dried. According to the invention, the uniform distribution of the dye in the fiber can be ensured, the common chromatic aberration and spot problems in the traditional dyeing are eliminated, and the dyeing uniformity is improved.

Description

Technical Field

[0001] The invention relates to the field of air-spinning dyeing processing, in particular to a dyeing processing technology and method of air-spinning process materials. Background Art

[0002] Traditional dyeing processes may have problems such as uneven dyeing, high energy consumption, and wastewater discharge, requiring more efficient and environmentally friendly solutions. As airflow textiles are increasingly used in the textile industry, the requirements for their dyeing technology are also increasing, requiring a more optimized dyeing process. Modern society has increasingly higher requirements for environmental protection and sustainable development. Traditional dyeing processes may have problems such as wastewater discharge and dye waste, requiring a more environmentally friendly and sustainable dyeing solution. The dyeing quality of textiles directly affects their market competitiveness. At the same time, improving production efficiency is also an important demand of the textile industry. A dyeing process that can meet both quality and efficiency requirements is required. The market's requirements for the quality, color diversity, and production cycle of dyed textiles are constantly increasing, and competitive pressure is also increasing. Continuous innovation is needed to meet market demand. Summary of the invention

[0003] The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0004] In view of the above and / or existing problems in the dyeing process and method of the existing air-spinning process material, the present invention is proposed.

[0005] Therefore, the problem to be solved by the present invention is how to provide a dyeing process and method for air-spinning process materials.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0007] The embodiment of the present invention provides a dyeing process and method for air-spinning process materials, which includes dividing the air-spinning textile into size fabrics, pre-cleaning the fibers, and pre-treating them with an alkaline detergent; placing the pre-treated fibers into a dyeing machine, and adding dyes and auxiliaries; adjusting the process parameters of the dyeing machine, and performing dyeing operations according to the process flow of the dyeing machine; after dyeing is completed, taking the fibers out of the dyeing machine, and after cleaning and neutralization treatment, dehydrating and drying the dyed fibers.

[0008] As a preferred solution of the dyeing process and method of the air-spinning process material of the present invention, the temperature is controlled at 40°C-60°C, the time is controlled at 15min-30min, and the alkaline cleaning agent is sodium hydroxide with a concentration of 0.5%-2%.

[0009] As a preferred scheme of the dyeing processing technology and method of the air-spinning process material described in the present invention, the dyeing temperature is 50°C-100°C, the dyeing time is 30min-2h, the pressure inside the dyeing machine is controlled at 1-3 atmospheres, the dye concentration is 1%-5%, the auxiliary agent is the salt auxiliary agent sodium chloride, the addition amount is 1%-10%, and the pH value during dyeing is controlled at 9-11.

[0010] As a preferred scheme of the dyeing processing technology and method of the air-spinning process material described in the present invention, the temperature is increased at a heating rate of 3°C / min to 45°C, acetic acid is added, and the process is run for 15 minutes; the temperature is then increased to 65°C at a heating rate of 2°C / min, and the temperature is further increased to 100°C at a heating rate of 1°C / min, and the temperature is kept for 30 minutes; the temperature is reduced to 85°C at a cooling rate of 1°C / min, and the temperature is reduced to 75°C at a cooling rate of 2°C / min; the temperature is washed with hot water at 70°C for 10 minutes; the temperature is washed with hot water at 60°C for 10 minutes, the pH value is adjusted to neutral, and the temperature is washed with hot water at 40°C for 10 minutes.

[0011] As a preferred scheme of the dyeing process and method of the air-spinning process material of the present invention, the bath ratio is 1:4-8; the acetic acid is 0.6-1.2 g / L, the liquid pressure in the dye tank is 0.1-0.5 MPa, and the air flow pressure is 0.1-0.3 MPa.

[0012] As a preferred scheme of the dyeing processing technology and method of the air-spinning process material described in the present invention, the cleaning and neutralization treatment temperature is controlled at 30°C-60°C, the time is controlled at 10min-30min, and the pH value is controlled at 6-8; the drying treatment temperature is controlled at 50°C-80°C, and the drying time is controlled at 30min-2h.

[0013] The beneficial effects of the present invention are as follows: it can ensure the uniform distribution of dyes in the fibers, eliminate the common color difference and spot problems in traditional dyeing, and improve the uniformity of dyeing. The invention optimizes the use of dyes or introduces new dyes, thereby reducing the use of dyes and chemicals, reducing costs, and reducing the impact on the environment. A more efficient dyeing machine or process is adopted, which reduces energy consumption and waste of raw materials and achieves resource conservation. The dyeing cycle is shortened, and the intermediate links and manual operations in the dyeing process are reduced, thereby improving production efficiency and accelerating the time to market for products. The harmful gas emissions and operational risks in the dyeing process are reduced, the working environment of workers is improved, and the safety and comfort of work are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0015] Figure 1 The present invention is a process flow chart of the dyeing process and method of air-spinning process materials. DETAILED DESCRIPTION

[0016] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the drawings of the specification. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary persons in the art without creative work should fall within the scope of protection of the present invention.

[0017] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0018] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0019] At the same time, in the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper, lower, inner and outer" are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first, second or third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0020] Example

[0021] Reference Figure 1 , which is an embodiment of the present invention.

[0022] Example 1

[0023] A dyeing process and method for air-spinning process materials:

[0024] The air-flow textiles are divided into fabrics of different sizes, the fibers are pre-cleaned, and pre-treated with an alkaline cleaning agent, the temperature is controlled at 40°C, the time is controlled at 15 minutes, and the alkaline cleaning agent is sodium hydroxide with a concentration of 0.5%;

[0025] The pretreated fiber is placed in a dyeing machine, and dyes and auxiliaries are added. The dyeing temperature is 50°C, the dyeing time is 30 minutes, the pressure inside the dyeing machine is controlled at 1 atmosphere, the dye concentration is 1%, the auxiliaries are salt auxiliaries sodium chloride, the addition amount is 1%, and the pH value during dyeing is controlled at 9;

[0026] Adjust the process parameters of the dyeing machine, perform dyeing operations according to the process flow of the dyeing machine, heat up at a heating rate of 3℃ / min, heat to 45℃, add acetic acid, and run for 15 minutes; then heat up to 65℃ at a heating rate of 2℃ / min, and continue to heat up to 100℃ at a heating rate of 1℃ / min, and keep warm for 30 minutes; cool down to 85℃ at a cooling rate of 1℃ / min, and cool down to 75℃ at a cooling rate of 2℃ / min; wash with hot water at 70℃ for 10min; wash with hot water at 60℃ for 10min, adjust the pH value to neutral, wash with hot water at 40℃ for 10min, and the bath ratio is 1:4; acetic acid 0.6g / L, the liquid pressure in the dye tank is 0.1MPa, and the air flow pressure is 0.1MPa;

[0027] After dyeing is completed, the fiber is taken out of the dyeing machine, and after cleaning and neutralization treatment, the dyed fiber is dehydrated and dried. The cleaning and neutralization treatment temperature is controlled at 30°C, the time is controlled at 10 minutes, and the pH value is controlled at 6; the drying treatment temperature is controlled at 50°C, and the drying time is controlled at 30 minutes.

[0028] Example 2

[0029] A dyeing process and method for air-spinning process materials:

[0030] The air-flow textiles are divided into fabrics of different sizes, the fibers are pre-cleaned, and pre-treated with an alkaline cleaning agent, the temperature is controlled at 45°C, the time is controlled at 18 minutes, and the alkaline cleaning agent is sodium hydroxide with a concentration of 0.8%;

[0031] The pretreated fiber is placed in a dyeing machine, and dyes and auxiliaries are added. The dyeing temperature is 60°C, the dyeing time is 50 minutes, the pressure inside the dyeing machine is controlled at 1.3 atmospheres, the dye concentration is 2%, the auxiliaries are salt auxiliaries sodium chloride, the addition amount is 3%, and the pH value during dyeing is controlled at 9.3;

[0032] Adjust the process parameters of the dyeing machine, perform dyeing operations according to the process flow of the dyeing machine, heat up at a heating rate of 3℃ / min, heat to 45℃, add acetic acid, and run for 15 minutes; then heat up to 65℃ at a heating rate of 2℃ / min, and continue to heat up to 100℃ at a heating rate of 1℃ / min, and keep warm for 30 minutes; cool down to 85℃ at a cooling rate of 1℃ / min, and cool down to 75℃ at a cooling rate of 2℃ / min; wash with 70℃ hot water for 10min; wash with 60℃ hot water for 10min, adjust the pH value to neutral, wash with 40℃ hot water for 10min, and the bath ratio is 1:5; acetic acid 0.8g / L, the liquid pressure in the dye tank is 0.2MPa, and the air flow pressure is 0.15MPa;

[0033] After dyeing is completed, the fiber is taken out of the dyeing machine, and after cleaning and neutralization treatment, the dyed fiber is dehydrated and dried. The cleaning and neutralization treatment temperature is controlled at 35°C, the time is controlled at 15 minutes, and the pH value is controlled at 6.4; the drying treatment temperature is controlled at 55°C, and the drying time is controlled at 50 minutes.

[0034] Example 3

[0035] A dyeing process and method for air-spinning process materials:

[0036] The air-flow textiles are divided into fabrics of different sizes, the fibers are pre-cleaned, and pre-treated with an alkaline cleaning agent at a temperature of 48°C and a time of 23 minutes. The alkaline cleaning agent is sodium hydroxide at a concentration of 1.2%.

[0037] The pretreated fiber is placed in a dyeing machine, and dyes and auxiliaries are added. The dyeing temperature is 50°C, the dyeing time is 70 minutes, the pressure inside the dyeing machine is controlled at 1.6 atmospheres, the dye concentration is 3%, the auxiliaries are salt auxiliaries sodium chloride, the addition amount is 5%, and the pH value during dyeing is controlled at 10;

[0038] Adjust the process parameters of the dyeing machine, perform dyeing operations according to the process flow of the dyeing machine, heat up at a heating rate of 3℃ / min, heat to 45℃, add acetic acid, and run for 15 minutes; then heat up to 65℃ at a heating rate of 2℃ / min, and continue to heat up to 100℃ at a heating rate of 1℃ / min, and keep warm for 30 minutes; cool down to 85℃ at a cooling rate of 1℃ / min, and cool down to 75℃ at a cooling rate of 2℃ / min; wash with 70℃ hot water for 10min; wash with 60℃ hot water for 10min, adjust the pH value to neutral, wash with 40℃ hot water for 10min, and the bath ratio is 1:6; acetic acid 0.9g / L, the liquid pressure in the dye tank is 0.3MPa, and the air flow pressure is 0.18MPa;

[0039] After dyeing is completed, the fiber is taken out of the dyeing machine, and after cleaning and neutralization treatment, the dyed fiber is dehydrated and dried. The cleaning and neutralization treatment temperature is controlled at 40°C, the time is controlled at 20 minutes, and the pH value is controlled at 6.8; the drying treatment temperature is controlled at 65°C, and the drying time is controlled at 90 minutes.

[0040] Example 4

[0041] A dyeing process and method for air-spinning process materials:

[0042] The air-flow textiles are divided into fabrics of different sizes, the fibers are pre-cleaned, and pre-treated with an alkaline cleaning agent at a temperature of 55°C and a time of 26 minutes. The alkaline cleaning agent is sodium hydroxide at a concentration of 1.5%.

[0043] The pretreated fiber is placed in a dyeing machine, and dyes and auxiliaries are added. The dyeing temperature is 90°C, the dyeing time is 110 minutes, the pressure inside the dyeing machine is controlled at 2.7 atmospheres, the dye concentration is 4%, the auxiliary agent is salt auxiliary agent sodium chloride, the addition amount is 8%, and the pH value during dyeing is controlled at 10.5.

[0044] Adjust the process parameters of the dyeing machine, perform dyeing operations according to the process flow of the dyeing machine, heat up at a heating rate of 3℃ / min, heat to 45℃, add acetic acid, and run for 15 minutes; then heat up to 65℃ at a heating rate of 2℃ / min, and continue to heat up to 100℃ at a heating rate of 1℃ / min, and keep warm for 30 minutes; cool down to 85℃ at a cooling rate of 1℃ / min, and cool down to 75°C at a cooling rate of 2℃ / min; wash with 70℃ hot water for 10min; wash with 60℃ hot water for 10min, adjust the pH value to neutral, wash with 40℃ hot water for 10min, and the bath ratio is 1:7; acetic acid 1.1g / L, the liquid pressure in the dye tank is 0.4MPa, and the air flow pressure is 0.25MPa;

[0045] After dyeing is completed, the fiber is taken out of the dyeing machine, and after cleaning and neutralization treatment, the dyed fiber is dehydrated and dried. The cleaning and neutralization treatment temperature is controlled at 55°C, the time is controlled at 25 minutes, and the pH value is controlled at 7; the drying treatment temperature is controlled at 75°C, and the drying time is controlled at 115 minutes.

[0046] Example 5

[0047] A dyeing process and method for air-spinning process materials:

[0048] The air-flow textiles are divided into fabrics of different sizes, the fibers are pre-cleaned, and pre-treated with an alkaline cleaning agent, the temperature is controlled at 60°C, the time is controlled at 30 minutes, and the alkaline cleaning agent is sodium hydroxide with a concentration of 2%;

[0049] The pretreated fiber is placed in a dyeing machine, and dyes and auxiliaries are added. The dyeing temperature is 100°C, the dyeing time is 120 minutes, the pressure inside the dyeing machine is controlled at 3 atmospheres, the dye concentration is 5%, the auxiliary agent is a salt auxiliary agent sodium chloride, the addition amount is 10%, and the pH value during dyeing is controlled at 11.

[0050] Adjust the process parameters of the dyeing machine, perform dyeing operations according to the process flow of the dyeing machine, heat up at a heating rate of 3℃ / min, heat to 45℃, add acetic acid, and run for 15 minutes; then heat up to 65℃ at a heating rate of 2℃ / min, and continue to heat up to 100℃ at a heating rate of 1℃ / min, and keep warm for 30 minutes; cool down to 85℃ at a cooling rate of 1℃ / min, and cool down to 75℃ at a cooling rate of 2℃ / min; wash with 70℃ hot water for 10min; wash with 60℃ hot water for 10min, adjust the pH value to neutral, wash with 40℃ hot water for 10min, and the bath ratio is 1:8; acetic acid 1.2g / L, the liquid pressure in the dye tank is 0.5MPa, and the air flow pressure is 0.3MPa;

[0051] After dyeing is completed, the fiber is taken out of the dyeing machine, and after cleaning and neutralization treatment, the dyed fiber is dehydrated and dried. The cleaning and neutralization treatment temperature is controlled at 60°C, the time is controlled at 30 minutes, and the pH value is controlled at 8; the drying treatment temperature is controlled at 80°C, and the drying time is controlled at 120 minutes.

[0052] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A dyeing process and method for air-spinning process materials, characterized in that: include: Step 1: Divide the air-dried textile into size fabrics, pre-clean the fibers, and pre-treat them with an alkaline detergent; Step 2: Place the pretreated fiber into the dyeing machine and add dyes and auxiliaries; Step 3: Adjust the process parameters of the dyeing machine and perform dyeing operations according to the process flow of the dyeing machine; Step 4: After dyeing, the fiber is taken out of the dyeing machine, washed and neutralized, and the dyed fiber is dehydrated and dried.

2. The dyeing process and method of the air-spinning material according to claim 1, characterized in that: The step 1 comprises: The temperature is controlled at 40℃-60℃, the time is controlled at 15min-30min, the alkaline cleaning agent is sodium hydroxide, and the concentration is 0.5%-2%.

3. The dyeing process and method of the air-spinning material according to claim 1, characterized in that: The step 2 comprises: The dyeing temperature is 50-100°C, the dyeing time is 30min-2h, the pressure inside the dyeing machine is controlled at 1-3 atmospheres, the dye concentration is 1%-5%, the auxiliary agent is the salt auxiliary agent sodium chloride, the addition amount is 1%-10%, and the pH value during dyeing is controlled at 9-11.

4. The dyeing process and method of the air-spinning material according to claim 1, characterized in that: The step 3 comprises: Heat up at a rate of 3°C / min to 45°C, add acetic acid and run for 15 minutes; then heat up to 65°C at a rate of 2°C / min, and continue to heat up to 100°C at a rate of 1°C / min, and keep warm for 30 minutes; cool down to 85°C at a rate of 1°C / min, and cool down to 75°C at a rate of 2°C / min; wash with hot water at 70°C for 10 minutes; wash with hot water at 60°C for 10 minutes, adjust the pH value to neutral, and wash with hot water at 40°C for 10 minutes.

5. The dyeing process and method of the air-spinning material according to claim 4, characterized in that: include: Bath ratio 1:4-8; acetic acid 0.6-1.2g / L, liquid pressure in the dye tank is 0.1-0.5MPa, and air flow pressure is 0.1-0.3MPa.

6. The dyeing process and method of the air-spinning material according to claim 1, characterized in that: The step 4 comprises: The cleaning and neutralization treatment temperature is controlled at 30°C-60°C, the time is controlled at 10min-30min, and the pH value is controlled at 6-8; the drying treatment temperature is controlled at 50°C-80°C, and the drying time is controlled at 30min-2h.

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