阅读说明：本技术 一种高耐候原液着色车用混色空气变形纱的生产方法 (Production method of high-weather-resistance mixed-color air textured yarn for dope-dyed vehicles ) 是由 李众 于 2021-05-13 设计创作，主要内容包括：本发明涉及车用空气变形纱,尤其是一种高耐候原液着色车用混色空气变形纱的生产方法。包括如下步骤：步骤一、制备原液着色空气变形纱,步骤二、采用步骤一的方法制备三种POY纤维,分别为POY纤维A、POY纤维B和POY纤维C；步骤三、选用三种POY纤维中任意两种或三种混合后编制成混色ATY纤维。这种高耐候原液着色车用混色ATY纤维织造的汽车装饰面料逐渐受到这个新兴消费群的认可和喜爱,混色ATY纤维织造的汽车装饰面料颜色丰富、面料设计风格新颖、手感优良,同时原料采用原液着色纺丝工艺,生产过程无废水、废气、废渣等三废污染,后续产品无需再次染色,是一种对环境友好的绿色纤维。(The invention relates to an air textured yarn for a vehicle, in particular to a production method of a high-weather-resistance dope-dyed mixed-color air textured yarn for a vehicle. The method comprises the following steps: step one, preparing stock solution coloring air textured yarns, and step two, preparing three POY fibers respectively as POY fiber A, POY fiber B and POY fiber C by adopting the method of step one; and step three, selecting any two or three of the three POY fibers to be mixed and then weaving the mixture into the mixed color ATY fiber. The automobile decorative fabric woven by the high-weather-resistance stock solution coloring vehicle mixed-color ATY fiber is gradually accepted and loved by the emerging consumer group, the automobile decorative fabric woven by the mixed-color ATY fiber is rich in color, novel in fabric design style and excellent in hand feeling, meanwhile, the stock solution coloring spinning process is adopted as the raw material, the production process is free from three-waste pollution such as waste water, waste gas and waste residue, the subsequent product is not required to be dyed again, and the automobile decorative fabric is environment-friendly green fiber.)

1. A production method of high weather-resistant dope-dyed color-mixed air textured yarn for vehicles is characterized by comprising the following steps: the method comprises the following steps:

preparing a stock solution coloring air textured yarn, namely preparing a vehicle stock solution coloring PET (polyethylene terephthalate) POY fiber by using PET slices and coloring master batches as raw materials and adopting a technological route of PET slice pulse conveying-PET slice pre-crystallization tower-PET slices, coloring master batch drying kettle-PET slices, coloring master batch injector-PET slices, coloring master batch mixing bin-screw extruder-prefilter-spinning assembly-slow cooler-side blowing-oil wheel-spinning channel-winding;

step two, preparing three POY fibers, namely a POY fiber A, POY fiber B and a POY fiber C, by adopting the method in the step one;

and step three, selecting any two or three of the three POY fibers to be mixed and then weaving the mixture into the mixed color ATY fiber.

2. The method for producing a color-mixed air textured yarn for highly weatherable dope-dyed vehicles according to claim 1, characterized in that: the three POY fibers prepared in the first step and the second step adopt three coloring master batches with different colors.

3. The method for producing a color-mixed air textured yarn for highly weatherable dope-dyed vehicles according to claim 1, characterized in that: when two POY fibers are selected, the ratio of any two POY fibers is 1: 3-3: 1, when three POY fibers are selected, the proportion relationship between the three is 1:1: 1 or 1:1: 2.

4. the method for producing a color-mixed air textured yarn for highly weatherable dope-dyed vehicles according to claim 1, characterized in that: in the first step, the weight of the PET slices is taken as a reference, the addition amount of the coloring master batch is 2.0-10.0%, the PET polyester slices are bright slices, semi-dull slices or full-dull slices, and the physical indexes of the PET slices are as follows: relative viscosity of 0.685 +/-0.02, melting point of 258 +/-2 ℃, content of terminal hydroxyl groups of 30 +/-2 mol/t, hue (b) of 3.1, diameter of more than 10μm of condensed particles of less than or equal to 1.0 per mg, and water content of less than 600 ppm.

5. The method for producing a color-mixed air textured yarn for highly weatherable dope-dyed vehicles according to claim 1, characterized in that: the coloring master batch comprises inorganic and organic pigments with high light fastness, a PET/PBT master batch carrier and an antistatic agent.

6. The method for producing a color-mixed air textured yarn for highly weatherable dope-dyed vehicles according to claim 1, characterized in that: in the first step, the spinning temperature is 270-285 ℃, the biphenyl temperature is 275-285 ℃, the cooling adopts a side blowing mode, the blowing air temperature is 20-30 ℃, the cooling air speed is 0.35-0.7m/s, and the winding speed is 2700-3400 m/min.

7. The method for producing a color-mixed air textured yarn for highly weatherable dope-dyed vehicles according to claim 1, characterized in that: in the third step, the original liquid coloring PET mixed color ATY fiber for the vehicle is prepared by adopting a process route of first roller, second roller, hot pin, third roller, fourth roller, air-change box, main roller, hot box, auxiliary roller, oiling and winding.

8. The method for producing a color-mixed air textured yarn for highly weatherable dope-dyed vehicles according to claim 7, characterized in that: in the third step, the ATY fiber with the color mixing effect is prepared by air deformation, wherein the air deformation pressure is 6.8-12kgf/cm, and the heat setting temperature is 200-.

Technical Field

The invention relates to an air textured yarn for a vehicle, in particular to a production method of a high-weather-resistance dope-dyed mixed-color air textured yarn for a vehicle.

Background

With the rapid development of Chinese economy for nearly 40 years, automobiles become indispensable daily necessities at present, people select the appearance and the interior of the automobile like fashion, and more updated requirements are provided for the comfort, the luxury, the safety and the environmental protection of the interior of the automobile. In the early 21 st century, the design style of automotive interior fabrics in China mostly copies the design style of automotive interiors in international mainstream host factories, and the fabric is simple, elegant and becomes the mainstream style of the design of automotive interior fabrics in that era. In the second decade of the 21 st century, after 80 and 90 years, people gradually become mainstream people for automobile consumption, and they like enthusiastic colors, special independent fabric design styles and softer fabric touch.

Disclosure of Invention

In order to solve the technical problems, the invention aims to provide a production method of the high-weather-resistance dope-dyed mixed-color air textured yarn for vehicles.

The invention relates to a production method of a high weather-resistant dope-dyed mixed-color air textured yarn for vehicles, which comprises the following steps:

preparing a stock solution coloring air textured yarn, namely preparing a vehicle stock solution coloring PET (polyethylene terephthalate) POY fiber by using PET slices and coloring master batches as raw materials and adopting a technological route of PET slice pulse conveying-PET slice pre-crystallization tower-PET slices, coloring master batch drying kettle-PET slices, coloring master batch injector-PET slices, coloring master batch mixing bin-screw extruder-prefilter-spinning assembly-slow cooler-side blowing-oil wheel-spinning channel-winding;

step two, preparing three POY fibers, namely a POY fiber A, POY fiber B and a POY fiber C, by adopting the method in the step one;

and step three, selecting any two or three of the three POY fibers to be mixed and then weaving the mixture into the mixed color ATY fiber.

Furthermore, the three POY fibers prepared in the first step and the second step adopt three coloring master batches with different colors.

Further, when two POY fibers are selected, the ratio between any two is 1: 3-3: 1, when three POY fibers are selected, the proportion relationship between the three is 1:1: 1 or 1:1: 2.

further, in the step one, the weight of the PET slices is taken as a reference, the addition amount of the coloring master batch is 2.0-10.0%, the PET polyester slices are bright slices, semi-dull slices or full-dull slices, and the physical indexes of the PET slices are as follows: relative viscosity of 0.685 +/-0.02, melting point of 258 +/-2 ℃, content of terminal hydroxyl groups of 30 +/-2 mol/t, hue (b) of 3.1, diameter of more than 10μm of condensed particles of less than or equal to 1.0 per mg, and water content of less than 600 ppm.

Furthermore, the coloring master batch comprises inorganic and organic pigments with high light fastness, a PET/PBT master batch carrier and an antistatic agent.

Further, in the first step, the spinning temperature is 270-285 ℃, the biphenyl temperature is 275-285 ℃, the cooling adopts a side blowing mode, the blowing air temperature is 20-30 ℃, the cooling air speed is 0.35-0.7m/s, and the winding speed is 2700-3400 m/min.

Further, in the third step, the original liquid coloring PET mixed color ATY fiber for the vehicle is prepared by adopting a process route of first roller, second roller, hot pin, third roller, fourth roller, air-to-space box, main roller, hot box, auxiliary roller, oiling and winding.

Further, in the third step, the ATY fiber with the color mixing effect is prepared by air deformation, wherein the air deformation pressure is 6.8-12kgf/cm, and the heat setting temperature is 200-.

By the scheme, the invention at least has the following advantages: the automobile decorative fabric woven by the high-weather-resistance stock solution coloring mixed-color ATY fiber is gradually accepted and favored by the emerging consumer group. The automobile decorative fabric woven by the mixed-color ATY fiber has rich color, novel design style and excellent hand feeling, simultaneously, the raw material adopts a dope dyeing spinning process, the production process has no three wastes pollution such as waste water, waste gas, waste residue and the like, and the subsequent product does not need to be dyed again, thus being environment-friendly green fiber.

The fiber is prepared by blending and spinning the high-weather-resistant coloring master batch and the PET slices, and the high-weather-resistant dope-colored ATY fiber with a certain color mixing effect is prepared through air deformation, and the terminal fabric has high weather resistance and attractive appearance, and is widely applied to automobile textiles such as automobile seat, automobile headrest, automobile door panel fabrics and the like. Belonging to the technical field of functional filaments for spinning.

The above description is only an overview of the technical solutions of the present invention, and the technical solutions of the present invention can be more clearly understood and implemented according to the content of the description.

Detailed Description

The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

The method for producing the color-mixed air textured yarn for the high-weather-resistance dope-dyed vehicle comprises the following steps of:

preparing a stock solution coloring air textured yarn, namely preparing a vehicle stock solution coloring PET (polyethylene terephthalate) POY fiber by using PET slices and coloring master batches as raw materials and adopting a technological route of PET slice pulse conveying-PET slice pre-crystallization tower-PET slices, coloring master batch drying kettle-PET slices, coloring master batch injector-PET slices, coloring master batch mixing bin-screw extruder-prefilter-spinning assembly-slow cooler-side blowing-oil wheel-spinning channel-winding;

step two, preparing three POY fibers, namely a POY fiber A, POY fiber B and a POY fiber C, by adopting the method in the step one;

and step three, selecting any two or three of the three POY fibers to be mixed and then weaving the mixture into the mixed color ATY fiber.

Furthermore, the three POY fibers prepared in the first step and the second step adopt three coloring master batches with different colors.

Further, when two POY fibers are selected, the ratio between any two is 1: 3-3: 1, when three POY fibers are selected, the proportion relationship between the three is 1:1: 1 or 1:1: 2.

further, in the step one, the weight of the PET slices is taken as a reference, the addition amount of the coloring master batch is 2.0-10.0%, the PET polyester slices are bright slices, semi-dull slices or full-dull slices, and the physical indexes of the PET slices are as follows: relative viscosity of 0.685 +/-0.02, melting point of 258 +/-2 ℃, content of terminal hydroxyl groups of 30 +/-2 mol/t, hue (b) of 3.1, diameter of more than 10μm of condensed particles of less than or equal to 1.0 per mg, and water content of less than 600 ppm.

Furthermore, the coloring master batch comprises inorganic and organic pigments with high light fastness, a PET/PBT master batch carrier and an antistatic agent.

Further, in the first step, the spinning temperature is 270-285 ℃, the biphenyl temperature is 275-285 ℃, the cooling adopts a side blowing mode, the blowing air temperature is 20-30 ℃, the cooling air speed is 0.35-0.7m/s, and the winding speed is 2700-3400 m/min.

Further, in the third step, the original liquid coloring PET mixed color ATY fiber for the vehicle is prepared by adopting a process route of first roller, second roller, hot pin, third roller, fourth roller, air-to-space box, main roller, hot box, auxiliary roller, oiling and winding.

Further, in the third step, the ATY fiber with the color mixing effect is prepared by air deformation, wherein the air deformation pressure is 6.8-12kgf/cm, and the heat setting temperature is 200-.

The first embodiment of the invention:

POY fiber A and POY fiber B are selected as raw materials, wherein the POY fiber A is a hollow textured sheath yarn, the POY fiber B is a hollow textured core yarn, and the POY fiber A and the POY fiber B are prepared from the following raw materials in percentage by mass: 3.

The core filament POY fiber B passes through a first roller and a third roller, the leather filament POY fiber A passes through a second roller and a fourth roller for drafting, and the raw liquid coloring PET (polyethylene terephthalate) color-mixed ATY fiber for the vehicle is prepared by air deformation, sizing, oiling and winding.

Wherein, the final color of the ATY fiber is based on the color of the POY fiber A and the color of the POY fiber B.

Wherein the specification of the stock solution coloring PET (polyethylene terephthalate) mixed color ATY fiber for the vehicle is 360-1000 dt/72-384 f. Wherein the processing speed of the main roller is 250-600 m/min, the hot pin temperature is 98-150 ℃, the overfeeding of core yarns is 8-38%, the overfeeding of skin yarns is 16-48%, the air deformation pressure is 6.8-12kgf/cm, the shaping is carried out by adopting a closed hot box, and the shaping temperature is 200-240 ℃.

Embodiment two of the present invention:

POY fiber A and POY fiber C are used as raw materials, wherein the POY fiber A is a hollow textured sheath yarn, the POY fiber C is a hollow textured core yarn, and the mass percentage of the POY fiber A to the POY fiber C is 3: 1.

the core filament POY fiber C passes through a first roller and a third roller, the leather filament POY fiber A passes through a second roller and a fourth roller for drafting, and the raw liquid coloring PET (polyethylene terephthalate) color-mixed ATY fiber for the vehicle is prepared by air deformation, sizing, oiling and winding.

Wherein, the final color of the ATY fiber is based on the color of the POY fiber A and the color of the POY fiber C.

Wherein the specification of the stock solution coloring PET (polyethylene terephthalate) mixed color ATY fiber for the vehicle is 360-1000 dt/72-384 f. Wherein the processing speed of the main roller is 250-600 m/min, the hot pin temperature is 98-150 ℃, the overfeeding of core yarns is 8-38%, the overfeeding of skin yarns is 16-48%, the air deformation pressure is 6.8-12kgf/cm, the shaping is carried out by adopting a closed hot box, and the shaping temperature is 200-240 ℃.

The third embodiment of the invention:

POY fiber B and POY fiber C are used as raw materials, wherein the POY fiber B is a hollow textured sheath yarn, the POY fiber C is a hollow textured core yarn, and the POY fiber A and the POY fiber C are prepared from the following raw materials in percentage by mass: 1.

the core filament POY fiber C passes through a first roller and a third roller, the leather filament POY fiber B passes through a second roller and a fourth roller for drafting, and the raw liquid coloring PET (polyethylene terephthalate) color-mixed ATY fiber for the vehicle is prepared by air deformation, sizing, oiling and winding.

Wherein, the final color of the ATY fiber is based on the color of the POY fiber B and the color of the POY fiber C.

Wherein the specification of the stock solution coloring PET (polyethylene terephthalate) mixed color ATY fiber for the vehicle is 360-1000 dt/72-384 f. Wherein the processing speed of the main roller is 250-600 m/min, the hot pin temperature is 98-150 ℃, the overfeeding of core yarns is 8-38%, the overfeeding of skin yarns is 16-48%, the air deformation pressure is 6.8-12kgf/cm, the shaping is carried out by adopting a closed hot box, and the shaping temperature is 200-240 ℃.

The fourth embodiment of the invention:

POY fiber A, POY fiber B and POY fiber C are used as raw materials, wherein the POY fiber A and the POY fiber B are hollow textured sheath yarns, the POY fiber C is hollow textured core yarns, and the mass percentage of the POY fiber A, POY fiber B to the POY fiber C is 1:1: 1 or 1:1:2 or 1:2:1 or 2:1: 1.

The core yarn POY fiber C passes through the first roller and the third roller, the leather yarn POY fiber A and the POY fiber B pass through the second roller and the fourth roller for drafting, and the original liquid coloring PET (polyethylene terephthalate) color-mixed ATY fiber for the vehicle is prepared by air deformation, sizing, oiling and winding.

The final color of the ATY fiber is based on the color of the POY fiber A, POY, fiber B and the color of the POY fiber C.

Wherein the specification of the stock solution coloring PET (polyethylene terephthalate) mixed color ATY fiber for the vehicle is 360-1000 dt/72-384 f. Wherein the processing speed of the main roller is 250-600 m/min, the hot pin temperature is 98-150 ℃, the overfeeding of core yarns is 8-38%, the overfeeding of skin yarns is 16-48%, the air deformation pressure is 6.8-12kgf/cm, the shaping is carried out by adopting a closed hot box, and the shaping temperature is 200-240 ℃.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.