CN111118916B - Preparation method of carpet for vehicle - Google Patents
Preparation method of carpet for vehicle Download PDFInfo
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- CN111118916B CN111118916B CN201911386356.2A CN201911386356A CN111118916B CN 111118916 B CN111118916 B CN 111118916B CN 201911386356 A CN201911386356 A CN 201911386356A CN 111118916 B CN111118916 B CN 111118916B
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N7/00—Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material
- D06N7/0063—Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf
- D06N7/0065—Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf characterised by the pile
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/22—Formation of filaments, threads, or the like with a crimped or curled structure; with a special structure to simulate wool
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
- D01D5/34—Core-skin structure; Spinnerette packs therefor
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C17/00—Embroidered or tufted products; Base fabrics specially adapted for embroidered work; Inserts for producing surface irregularities in embroidered products
- D05C17/02—Tufted products
- D05C17/026—Tufted products characterised by the tufted pile surface
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Carpets (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Artificial Filaments (AREA)
- Multicomponent Fibers (AREA)
Abstract
The invention relates to a preparation method of a carpet for a vehicle, which is characterized in that in the process of preparing circular sheath-core composite fibers by two kinds of regenerated PET (0.8-1.2 wt% of pigment is dispersed in the two kinds of regenerated PET with different viscosities) with different viscosities according to a BCF (bulk blend fiber) process, spinneret orifices on a spinneret plate are changed into trilobes from a circle shape, circular blowing cooling is adopted, and the three leaves of the trilobe spinneret orifices on the spinneret plate are controlled to have different lengths and different widths, so that carpet yarns with the filament number of 15-20 dtex are prepared; after the carpet yarn is implanted into the front side of the polyester base fabric through tufting, coating polyester hot melt adhesive on the back side of the base fabric, and then cooling to obtain the vehicle carpet; the gram weight of the prepared carpet for the vehicle is 1500-2000 g/m 2 The compressibility is 45-50%, and the compression resilience is more than or equal to 95%. The preparation method of the carpet for the vehicle is simple and easy to implement, low in cost and wide in application range, and the prepared carpet for the vehicle is excellent in compression resilience.
Description
Technical Field
The invention belongs to the technical field of textile fabrics, and relates to a preparation method of a carpet for a vehicle.
Background
The carpet is a floor spread made up by using natural or chemical synthetic fibre raw material of cotton, hemp, wool, silk and grass through the processes of manual or mechanical weaving and weaving, and is one of the traditional art and art works with long history in the world. The existing carpet for the vehicle is usually made of felt or non-woven fabric and the like, so that the compression resilience is poor, and the application of the carpet is limited to a certain extent.
Therefore, the research on the preparation method of the vehicle carpet with better compression resilience is of great significance.
Disclosure of Invention
The invention provides a preparation method of a carpet for a vehicle, and aims to solve the problem that the carpet for the vehicle in the prior art is poor in compression resilience.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a preparation method of a vehicle carpet comprises the steps of implanting carpet yarn into the front side of a polyester base fabric through tufting, coating a polyester hot melt adhesive on the back side of the base fabric, and cooling to obtain the vehicle carpet;
the preparation process of the carpet yarn comprises the following steps:
in the process of preparing the circular sheath-core composite fiber from two kinds of regenerated PET with different viscosities according to the BCF process, changing the spinneret orifices on the spinneret plate from circular to trilobal, cooling by circular blowing, and controlling the arrangement of the trilobal spinneret orifices on the spinneret plate to meet certain conditions to prepare the carpet yarn with the filament number of 15-20 dtex;
0.8-1.2 wt% of pigment is dispersed in each of the two kinds of regenerated PET with different viscosities;
the length ratio of three lobes of the same trilobal spinneret orifice is 1.0-1.5-2.5, the length of two long lobes is the same, the width ratio of the corresponding three lobes is 1.5; the three leaves of different trilobal spinneret orifices have the same shape and size;
the certain conditions are as follows: all the trilobal spinneret orifices are distributed in concentric circles, and the center line of the shortest blade of each trilobal spinneret orifice passes through the circle center and points away from the circle center.
The principle of the invention is as follows:
the carpet for the vehicle is prepared by implanting carpet yarn into the front side of a terylene base fabric through tufting, coating polyester hot melt adhesive on the back side of the base fabric, and then cooling, wherein the carpet yarn is skin-core composite fiber prepared by taking two regenerated PET with different viscosities as raw materials according to a BCF process, the two regenerated PET with different viscosities are extruded from trilobal spinneret orifices on the same spinneret plate, an imaginary circle is made around the center of the trilobal, the part of the trilobal which is coincided with the imaginary circle is a core layer, and the rest part is a skin layer, and in skin-core composite spinning, the distribution relation of melt on the spinneret plate is as follows: the core layer corresponds to one melt I (high-viscosity recycled PET or low-viscosity recycled PET), and the skin layer corresponds to the other melt II (low-viscosity recycled PET or high-viscosity recycled PET); when two melts are extruded from the spinneret orifice under the action of spinning pressure, the melt I is mainly extruded from the core layer, the melt II is mainly extruded from the skin layer, and the section of the spinneret orifice is trilobal, so that the part of each leaf of the trilobal close to the center of a circle is the melt I, and the end of each leaf far away from the center of a circle is the melt II; the fibers are formed by cooling with circular air blowing and simultaneously drawing. When the fiber is subjected to heat treatment, the action of force on the cross section of the fiber is realized: the high-viscosity recycled PET and the low-viscosity recycled PET are arranged on each blade, and the thermal shrinkage rates of the two components are different, so that a drag force is formed on the blade, and the drag forces on the three blades face to or deviate from the center of an imaginary circle at the same time; moreover, because the three leaves of the trilobal spinneret orifice are not completely equal in length and width, drag force on each leaf is different; the different drag forces enable the high-viscosity recycled PET/low-viscosity recycled PET sheath-core composite monofilament in the prepared carpet yarn to present a twisted shape, the twisting performance is stable, and a certain three-dimensional curling shape can be formed on the basis of twisting, so that the compression resilience of the vehicle carpet prepared by taking the carpet yarn as a raw material is greatly increased.
As a preferable technical scheme:
in the preparation method of the carpet for the vehicle, the mass ratio of the high-viscosity recycled PET to the low-viscosity recycled PET is 50.
According to the preparation method of the carpet for the vehicle, the intrinsic viscosity of the high-viscosity recycled PET is 0.70-0.75 dL/g, and the temperature of a spinning box body corresponding to the high-viscosity recycled PET is 290-295 ℃; the intrinsic viscosity of the low-viscosity regenerated PET is 0.60-0.65 dL/g, and the temperature of a spinning manifold corresponding to the low-viscosity regenerated PET is 280-285 ℃.
In the preparation method of the carpet for the vehicle, the BCF process comprises the following steps: extrusion → circular air-blowing cooling → oiling → stretching → deformation → network → curling;
parameters of the BCF process are as follows: the spinning temperature is 285-290 ℃, the cooling temperature is 20-25 ℃, the pre-stretching roller temperature is 85-95 ℃, the stretching roller temperature is 162-175 ℃, the stretching multiple is 3.5-4.0, the deformation box temperature is 173-201 ℃, the deformation box pressure is 7.0-8.1 bar, and the winding speed is 1550-1759 m/min.
In the method for manufacturing the carpet for the vehicle, the carpet yarn has a three-dimensional crimp shape and is composed of a plurality of high-viscosity recycled PET/low-viscosity recycled PET sheath-core composite monofilaments with the cross sections of trilobes and containing pigments, an imaginary circle is made around the center of the trilobes, the part of the three leaves of the trilobes, which is overlapped with the imaginary circle, is the core layer, and the rest is the skin layer.
According to the preparation method of the carpet for the vehicle, the crimp shrinkage rate of the carpet yarn is 43.4-47.9% and the crimp stability is 72.8-82.6% according to GB/T6506-2001.
According to the preparation method of the carpet for the vehicle, the breaking strength of the carpet yarn is more than or equal to 2.6cN/dtex, and the elongation at break is 30.7 +/-5.0%.
The gram weight of the carpet for the vehicle is 1500-2000 g/m 2 The compressibility is 45-50% (the test method is the same as the patent CN 1281799C), and the compression resilience is more than or equal to 95% (the test method is the same as the patent CN 1281799C).
Has the advantages that:
(1) The preparation method of the carpet for the vehicle is simple and easy to implement, low in cost and suitable for popularization and application;
(2) The carpet for the vehicle prepared by the preparation method of the carpet for the vehicle has better compression resilience.
Drawings
FIG. 1 is a schematic view of the trilobal spinneret orifice of the present invention;
FIG. 2 is a schematic representation of the distribution of trilobal orifices of the present invention on a spinneret.
Detailed Description
The invention will be further illustrated with reference to specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
The trilobal spinneret orifice and the distribution thereof on the spinneret plate are shown in the attached figures 1-2, the ratio of the trilobal length of the same trilobal spinneret orifice is 1.0; the three leaves of different trilobal spinneret orifices have the same shape and size; all the trilobal spinneret orifices are distributed in concentric circles, and the center line of the shortest blade of each trilobal spinneret orifice passes through the center of a circle and points away from the center of the circle. The drawings are only schematic and should not be construed as limiting the invention.
Example 1
A preparation method of a carpet for a vehicle comprises the following basic steps:
(1) Preparing carpet yarn:
in the process of preparing the circular sheath-core composite fiber from two kinds of regenerated PET with different viscosities (the viscosities are 0.70dL/g and 0.60dL/g respectively) according to a BCF process, the spinning holes on a spinneret plate are changed into a trilobal shape from a circular shape, circular blowing cooling is adopted, the arrangement of the trilobal spinning holes on the spinneret plate is controlled to meet a certain condition, and the carpet yarn with the monofilament titer of 15dtex is prepared; 0.8wt% of pigment is dispersed in the high-viscosity recycled PET, and 0.8wt% of pigment is dispersed in the low-viscosity recycled PET; the temperature of the spinning manifold corresponding to the high-viscosity regenerated PET is 290 ℃, and the temperature of the spinning manifold corresponding to the low-viscosity regenerated PET is 280 ℃; the process of the BCF technology comprises the following steps: extrusion → circular air-blowing cooling → oiling → stretching → deformation → network → curling; parameters of the BCF process are as follows: the spinning temperature is 285 ℃, the cooling temperature is 20 ℃, the pre-stretching roller temperature is 85 ℃, the stretching roller temperature is 162 ℃, the stretching multiple is 3.5, the deformation box temperature is 173 ℃, the deformation box pressure is 7.0bar, and the winding speed is 1550m/min;
the ratio of the length of the three lobes of the same trilobal spinneret orifice is 1.0; the three leaves of different trilobal spinneret orifices have the same shape and size;
the certain conditions are as follows: all the trilobal spinneret orifices are distributed in concentric circles, and the center line of the shortest blade of each trilobal spinneret orifice passes through the circle center and points away from the circle center;
the prepared carpet yarn has a three-dimensional curling shape, and consists of a plurality of high-viscosity regenerated PET/low-viscosity regenerated PET sheath-core composite monofilaments with the cross sections of trilobes and containing pigments, wherein an imaginary circle is made around the center of each trilobe, the part of each trilobe, which is coincided with the imaginary circle, is a core layer, and the rest part of each trilobe is a skin layer; the breaking strength of the carpet yarn is 2.6cN/dtex, the elongation at break is 35.7%, the crimp shrinkage is 43.4%, and the crimp stability is 72.8%;
(2) Preparing the carpet for the vehicle:
implanting carpet yarn into the front side of a polyester base fabric through tufting, coating polyester hot melt adhesive on the back side of the base fabric, and cooling to obtain the vehicle carpet;
the gram weight of the prepared carpet for the vehicle is 1500g/m 2 The compressibility was 45% and the compression resilience was 95%.
Example 2
A preparation method of a carpet for a vehicle comprises the following basic steps:
(1) Preparing carpet yarn:
in the process of preparing the circular sheath-core composite fiber from two kinds of regenerated PET with different viscosities (the viscosities are 0.70dL/g and 0.63dL/g respectively) according to a BCF process, the spinning holes on a spinneret plate are changed into a trilobal shape from a circular shape, circular blowing cooling is adopted, the arrangement of the trilobal spinning holes on the spinneret plate is controlled to meet a certain condition, and the carpet yarn with the monofilament titer of 16dtex is prepared; 0.9wt% of pigment is dispersed in the high-viscosity recycled PET, and 0.8wt% of pigment is dispersed in the low-viscosity recycled PET; the temperature of the spinning manifold corresponding to the high-viscosity recycled PET is 291 ℃, and the temperature of the spinning manifold corresponding to the low-viscosity recycled PET is 280 ℃; the BCF process comprises the following steps: extrusion → circular air cooling → oiling → stretching → deformation → network → curling; parameters of the BCF process are as follows: the spinning temperature is 287 ℃, the cooling temperature is 20 ℃, the pre-stretching roller temperature is 88 ℃, the stretching roller temperature is 164 ℃, the stretching multiple is 3.5, the deformation box temperature is 176 ℃, the deformation box pressure is 7.3bar, and the winding speed is 1574m/min;
the ratio of the length of the three lobes of the same trilobal spinneret orifice is 1.0; the three leaves of different trilobal spinneret orifices have the same shape and size;
the certain conditions are as follows: all the trilobal spinneret orifices are distributed in concentric circles, and the center line of the shortest leaf of each trilobal spinneret orifice passes through the circle center and points away from the circle center;
the prepared carpet yarn has a three-dimensional curling shape, and consists of a plurality of pigment-containing high-viscosity regenerated PET/low-viscosity regenerated PET skin-core composite monofilaments with trilobal cross sections, an imaginary circle is made around the center of the trilobal, the part of the trilobal, which is overlapped with the imaginary circle, is a core layer, and the rest part is a skin layer; the breaking strength of the carpet yarn is 2.6cN/dtex, the elongation at break is 34.6%, the crimp shrinkage is 44.8%, and the crimp stability is 74.2%;
(2) Preparing the carpet for the vehicle:
after the carpet yarn is implanted into the front side of the polyester base fabric through tufting, coating polyester hot melt adhesive on the back side of the base fabric, and then cooling to obtain the vehicle carpet;
the gram weight of the prepared carpet for the vehicle is 1706g/m 2 The compressibility was 46% and the compression resilience was 95%.
Example 3
A preparation method of a carpet for a vehicle basically comprises the following steps:
(1) Preparing carpet yarn:
in the process of preparing circular sheath-core composite fibers from two kinds of regenerated PET with different viscosities (the viscosities are 0.71dL/g and 0.63dL/g respectively) according to a BCF (bulk continuous filament) process, 50, wherein the viscosity is respectively 0.71dL/g and 0.63dL/g, the spinneret holes on a spinneret plate are changed into a trilobal shape from a circular shape, circular blowing cooling is adopted, the arrangement of the trilobal spinneret holes on the spinneret plate is controlled to meet a certain condition, and the carpet yarn with the monofilament fineness of 17dtex is prepared; 0.9wt% of pigment is dispersed in the high-viscosity recycled PET, and 0.9wt% of pigment is dispersed in the low-viscosity recycled PET; the temperature of the spinning manifold corresponding to the high-viscosity recycled PET is 291 ℃, and the temperature of the spinning manifold corresponding to the low-viscosity recycled PET is 280 ℃; the BCF process comprises the following steps: extrusion → circular air cooling → oiling → stretching → deformation → network → curling; parameters of the BCF process are as follows: the spinning temperature is 287 ℃, the cooling temperature is 20 ℃, the pre-stretching roller temperature is 90 ℃, the stretching roller temperature is 165 ℃, the stretching multiple is 3.6, the deformation box temperature is 180 ℃, the deformation box pressure is 7.4bar, and the winding speed is 1585m/min;
the length ratio of three lobes of the same trilobal spinneret orifice is 1.0; the three leaves of different trilobal spinneret orifices have the same shape and size;
the certain conditions are as follows: all the trilobal spinneret orifices are distributed in concentric circles, and the center line of the shortest leaf of each trilobal spinneret orifice passes through the circle center and points away from the circle center;
the prepared carpet yarn has a three-dimensional curling shape, and consists of a plurality of high-viscosity regenerated PET/low-viscosity regenerated PET sheath-core composite monofilaments with the cross sections of trilobes and containing pigments, wherein an imaginary circle is made around the center of each trilobe, the part of each trilobe, which is coincided with the imaginary circle, is a core layer, and the rest part of each trilobe is a skin layer; the breaking strength of the carpet yarn is 2.6cN/dtex, the elongation at break is 34.1%, the crimp shrinkage is 45.1%, and the crimp stability is 74.2%;
(2) Preparing the carpet for the vehicle:
implanting carpet yarn into the front side of a polyester base fabric through tufting, coating polyester hot melt adhesive on the back side of the base fabric, and cooling to obtain the vehicle carpet;
the gram weight of the prepared carpet for the vehicle is 1806g/m 2 The compressibility was 46% and the compression resilience was 96%.
Example 4
A preparation method of a carpet for a vehicle basically comprises the following steps:
(1) Preparing carpet yarn:
in the process of preparing the circular sheath-core composite fiber by using two kinds of regenerated PET with different viscosities (the viscosities are 0.71dL/g and 0.63dL/g respectively) with the mass ratio of 50 in a BCF (bulkier continuous filament) process, changing the spinneret orifices on a spinneret plate from a circular shape to a trilobal shape, cooling by adopting circular blowing, and controlling the arrangement of the trilobal spinneret orifices on the spinneret plate to meet certain conditions to prepare the carpet yarn with the monofilament titer of 17 dtex; 0.9wt% of pigment is dispersed in the high-viscosity recycled PET, and 0.9wt% of pigment is dispersed in the low-viscosity recycled PET; the temperature of the spinning manifold corresponding to the high-viscosity regenerated PET is 293 ℃, and the temperature of the spinning manifold corresponding to the low-viscosity regenerated PET is 280 ℃; the BCF process comprises the following steps: extrusion → circular air cooling → oiling → stretching → deformation → network → curling; parameters of the BCF process are as follows: the spinning temperature is 289 ℃, the cooling temperature is 20 ℃, the pre-stretching roller temperature is 91 ℃, the stretching roller temperature is 166 ℃, the stretching ratio is 3.7, the deformation box temperature is 188 ℃, the deformation box pressure is 7.4bar, and the winding speed is 1586m/min;
the length ratio of three lobes of the same trilobal spinneret orifice is 1.0; the three leaves of different trilobal spinneret orifices have the same shape and size;
the certain conditions are as follows: all the trilobal spinneret orifices are distributed in concentric circles, and the center line of the shortest leaf of each trilobal spinneret orifice passes through the circle center and points away from the circle center;
the prepared carpet yarn has a three-dimensional curling shape, and consists of a plurality of pigment-containing high-viscosity regenerated PET/low-viscosity regenerated PET skin-core composite monofilaments with trilobal cross sections, an imaginary circle is made around the center of the trilobal, the part of the trilobal, which is overlapped with the imaginary circle, is a core layer, and the rest part is a skin layer; the breaking strength of the carpet yarn is 2.6cN/dtex, the elongation at break is 28.5%, the crimp shrinkage is 45.4%, and the crimp stability is 74.4%;
(2) Preparing a carpet for a vehicle:
after the carpet yarn is implanted into the front side of the polyester base fabric through tufting, coating polyester hot melt adhesive on the back side of the base fabric, and then cooling to obtain the vehicle carpet;
prepared vehicleThe gram weight of the carpet is 1823g/m 2 The compressibility and compression resilience were 47% and 97%.
Example 5
A preparation method of a carpet for a vehicle comprises the following basic steps:
(1) Preparing carpet yarn:
in the process of preparing circular sheath-core composite fibers from two kinds of regenerated PET with different viscosities (the viscosities are 0.71dL/g and 0.64dL/g respectively) according to a BCF process, the spinning holes on a spinneret plate are changed into a trilobal shape from a circular shape, circular blowing cooling is adopted, the arrangement of the trilobal spinning holes on the spinneret plate is controlled to meet certain conditions, and the carpet yarn with the monofilament fineness of 18dtex is prepared; 1wt% of pigment is dispersed in the high-viscosity recycled PET, and 1wt% of pigment is dispersed in the low-viscosity recycled PET; the temperature of the spinning manifold corresponding to the high-viscosity regenerated PET is 293 ℃, and the temperature of the spinning manifold corresponding to the low-viscosity regenerated PET is 281 ℃; the BCF process comprises the following steps: extrusion → circular air-blowing cooling → oiling → stretching → deformation → network → curling; parameters of the BCF process are as follows: the spinning temperature is 289 ℃, the cooling temperature is 22 ℃, the pre-stretching roller temperature is 91 ℃, the stretching roller temperature is 167 ℃, the stretching multiple is 3.7, the deformation box temperature is 192 ℃, the deformation box pressure is 7.4bar, and the winding speed is 1636m/min;
the ratio of the length of the three lobes of the same trilobal spinneret orifice is 1.0; the three leaves of different trilobal spinneret orifices have the same shape and size;
the certain conditions are as follows: all the trilobal spinneret orifices are distributed in concentric circles, and the center line of the shortest blade of each trilobal spinneret orifice passes through the circle center and points away from the circle center;
the prepared carpet yarn has a three-dimensional curling shape, and consists of a plurality of pigment-containing high-viscosity regenerated PET/low-viscosity regenerated PET skin-core composite monofilaments with trilobal cross sections, an imaginary circle is made around the center of the trilobal, the part of the trilobal, which is overlapped with the imaginary circle, is a core layer, and the rest part is a skin layer; the breaking strength of the carpet yarn is 2.7cN/dtex, the elongation at break is 28.3%, the crimp shrinkage is 45.9%, and the crimp stability is 79.7%;
(2) Preparing the carpet for the vehicle:
implanting carpet yarn into the front side of a polyester base fabric through tufting, coating polyester hot melt adhesive on the back side of the base fabric, and cooling to obtain the vehicle carpet;
the gram weight of the prepared carpet for the vehicle is 1843g/m 2 The compressibility and compression resilience were 47% and 98%, respectively.
Example 6
A preparation method of a carpet for a vehicle comprises the following basic steps:
(1) Preparing carpet yarn:
in the process of preparing circular sheath-core composite fibers from two kinds of regenerated PET with different viscosities (the viscosities are 0.73dL/g and 0.64dL/g respectively) according to a BCF process, the spinning holes on a spinneret plate are changed into a trilobal shape from a circular shape, circular blowing cooling is adopted, the arrangement of the trilobal spinning holes on the spinneret plate is controlled to meet certain conditions, and the carpet yarn with the monofilament titer of 19dtex is prepared; 1.1wt% of pigment is dispersed in the high-viscosity recycled PET, and 1wt% of pigment is dispersed in the low-viscosity recycled PET; the temperature of the spinning manifold corresponding to the high-viscosity regenerated PET is 293 ℃, and the temperature of the spinning manifold corresponding to the low-viscosity regenerated PET is 282 ℃; the process of the BCF technology comprises the following steps: extrusion → circular air-blowing cooling → oiling → stretching → deformation → network → curling; parameters of the BCF process are as follows: the spinning temperature is 289 ℃, the cooling temperature is 22 ℃, the pre-stretching roller temperature is 92 ℃, the stretching roller temperature is 169 ℃, the stretching ratio is 3.9, the deformation box temperature is 197 ℃, the deformation box pressure is 7.6bar, and the winding speed is 1663m/min;
the length ratio of three lobes of the same trilobal spinneret orifice is 1.0; the three leaves of different trilobal spinneret orifices have the same shape and size;
the certain conditions are as follows: all the trilobal spinneret orifices are distributed in concentric circles, and the center line of the shortest leaf of each trilobal spinneret orifice passes through the circle center and points away from the circle center;
the prepared carpet yarn has a three-dimensional curling shape, and consists of a plurality of pigment-containing high-viscosity regenerated PET/low-viscosity regenerated PET skin-core composite monofilaments with trilobal cross sections, an imaginary circle is made around the center of the trilobal, the part of the trilobal, which is overlapped with the imaginary circle, is a core layer, and the rest part is a skin layer; the breaking strength of the carpet yarn is 2.9cN/dtex, the elongation at break is 28.3%, the crimp shrinkage is 46.1%, and the crimp stability is 80.2%;
(2) Preparing a carpet for a vehicle:
after the carpet yarn is implanted into the front side of the polyester base fabric through tufting, coating polyester hot melt adhesive on the back side of the base fabric, and then cooling to obtain the vehicle carpet;
the obtained carpet for automobile has a gram weight of 1915g/m 2 The compressibility was 48% and the compression resilience 98%.
Example 7
A preparation method of a carpet for a vehicle comprises the following basic steps:
(1) Preparing carpet yarn:
in the process of preparing the circular sheath-core composite fiber from two kinds of regenerated PET with different viscosities (the viscosities are 0.74dL/g and 0.64dL/g respectively) according to a BCF process, the spinning holes on a spinneret plate are changed into a trilobal shape from a circular shape, circular blowing cooling is adopted, the arrangement of the trilobal spinning holes on the spinneret plate is controlled to meet certain conditions, and the carpet yarn with the monofilament titer of 20dtex is prepared; 1.1wt% of pigment is dispersed in the high-viscosity recycled PET, and 1.1wt% of pigment is dispersed in the low-viscosity recycled PET; the temperature of the spinning manifold corresponding to the high-viscosity recycled PET is 294 ℃, and the temperature of the spinning manifold corresponding to the low-viscosity recycled PET is 282 ℃; the process of the BCF technology comprises the following steps: extrusion → circular air cooling → oiling → stretching → deformation → network → curling; parameters of the BCF process are as follows: the spinning temperature is 290 ℃, the cooling temperature is 24 ℃, the pre-stretching roller temperature is 94 ℃, the stretching roller temperature is 171 ℃, the stretching ratio is 3.9, the deformation box temperature is 198 ℃, the deformation box pressure is 8bar, and the winding speed is 1678m/min;
the ratio of the length of the three lobes of the same trilobal spinneret orifice is 1.0, 2.5, the length of the two long lobes is the same, the ratio of the width of the corresponding three lobes is 1.5; the three leaves of different trilobal spinneret orifices have the same shape and size;
the certain conditions are as follows: all the trilobal spinneret orifices are distributed in concentric circles, and the center line of the shortest blade of each trilobal spinneret orifice passes through the circle center and points away from the circle center;
the prepared carpet yarn has a three-dimensional curling shape, and consists of a plurality of high-viscosity regenerated PET/low-viscosity regenerated PET sheath-core composite monofilaments with the cross sections of trilobes and containing pigments, wherein an imaginary circle is made around the center of each trilobe, the part of each trilobe, which is coincided with the imaginary circle, is a core layer, and the rest part of each trilobe is a skin layer; the breaking strength of the carpet yarn is 3.0cN/dtex, the elongation at break is 25.7%, the crimp shrinkage is 47.1%, and the crimp stability is 81.3%;
(2) Preparing the carpet for the vehicle:
after the carpet yarn is implanted into the front side of the polyester base fabric through tufting, coating polyester hot melt adhesive on the back side of the base fabric, and then cooling to obtain the vehicle carpet;
the gram weight of the prepared carpet for the vehicle is 1981g/m 2 The compressibility was 48% and the compression resilience was 99%.
Example 8
A preparation method of a carpet for a vehicle basically comprises the following steps:
(1) Preparing carpet yarn:
in the process of preparing the round sheath-core composite fiber by two kinds of regenerated PET with different viscosities (the viscosities are 0.75dL/g and 0.65dL/g respectively) with the mass ratio of 50 according to a BCF (bulkier continuous filament) process, changing the spinneret orifices on the spinneret plate from round to trilobal, cooling by adopting circular blowing, and controlling the arrangement of the trilobal spinneret orifices on the spinneret plate to meet certain conditions to prepare the carpet yarn with the monofilament titer of 20 dtex; 1.2wt% of pigment is dispersed in the high-viscosity recycled PET, and 1.2wt% of pigment is dispersed in the low-viscosity recycled PET; the temperature of the spinning manifold corresponding to the high-viscosity recycled PET is 295 ℃, and the temperature of the spinning manifold corresponding to the low-viscosity recycled PET is 285 ℃; the BCF process comprises the following steps: extrusion → circular air cooling → oiling → stretching → deformation → network → curling; parameters of the BCF process are as follows: the spinning temperature is 290 ℃, the cooling temperature is 25 ℃, the pre-stretching roller temperature is 95 ℃, the stretching roller temperature is 175 ℃, the stretching ratio is 4, the deformation box temperature is 201 ℃, the deformation box pressure is 8.1bar, and the winding speed is 1759m/min;
the ratio of the length of the three lobes of the same trilobal spinneret orifice is 1.0; the three leaves of different trilobal spinneret orifices have the same shape and size;
the certain conditions are as follows: all the trilobal spinneret orifices are distributed in concentric circles, and the center line of the shortest leaf of each trilobal spinneret orifice passes through the circle center and points away from the circle center;
the prepared carpet yarn has a three-dimensional curling shape, and consists of a plurality of high-viscosity regenerated PET/low-viscosity regenerated PET sheath-core composite monofilaments with the cross sections of trilobes and containing pigments, wherein an imaginary circle is made around the center of each trilobe, the part of each trilobe, which is coincided with the imaginary circle, is a core layer, and the rest part of each trilobe is a skin layer; the breaking strength of the carpet yarn is 3.1cN/dtex, the elongation at break is 25.7%, the crimp shrinkage is 47.9%, and the crimp stability is 82.6%;
(2) Preparing a carpet for a vehicle:
implanting carpet yarn into the front side of a polyester base fabric through tufting, coating polyester hot melt adhesive on the back side of the base fabric, and cooling to obtain the vehicle carpet;
the gram weight of the prepared carpet for the vehicle is 2000g/m 2 The compressibility was 50% and the compression resilience was 99%.
Claims (3)
1. A preparation method of a carpet for a vehicle is characterized by comprising the following steps: implanting carpet yarn into the front side of a polyester base fabric through tufting, coating polyester hot melt adhesive on the back side of the base fabric, and cooling to obtain the vehicle carpet;
the preparation process of the carpet yarn comprises the following steps:
in the process of preparing the circular sheath-core composite fiber from two kinds of regenerated PET with different viscosities according to the BCF process, changing the spinneret orifices on the spinneret plate from circular to trilobal, cooling by circular blowing, and controlling the arrangement of the trilobal spinneret orifices on the spinneret plate to meet certain conditions to prepare the carpet yarn with the filament number of 15-20 dtex;
0.8-1.2 wt% of pigment is dispersed in each of the two kinds of regenerated PET with different viscosities;
the distribution of the melt on the spinneret is: the core layer corresponds to the high-viscosity regenerated PET melt, and the skin layer corresponds to the low-viscosity regenerated PET melt; or the core layer corresponds to the low-viscosity regenerated PET melt, and the skin layer corresponds to the high-viscosity regenerated PET melt;
the mass ratio of the high-viscosity recycled PET to the low-viscosity recycled PET is 50;
the intrinsic viscosity of the high-viscosity regenerated PET is 0.70-0.75 dL/g, and the temperature of a spinning manifold corresponding to the high-viscosity regenerated PET is 290-295 ℃; the intrinsic viscosity of the low-viscosity regenerated PET is 0.60-0.65 dL/g, and the temperature of a spinning manifold corresponding to the low-viscosity regenerated PET is 280-285 ℃;
the length ratio of three lobes of the same trilobal spinneret orifice is 1.0-1.5-2.5, the length of two long lobes is the same, the width ratio of the corresponding three lobes is 1.5; the three leaves of different trilobal spinneret orifices have the same shape and size;
the certain conditions are as follows: all the trilobal spinneret orifices are distributed in concentric circles, and the center line of the shortest leaf of each trilobal spinneret orifice passes through the circle center and points away from the circle center;
the carpet yarn has a three-dimensional curling shape and consists of a plurality of pigment-containing high-viscosity recycled PET/low-viscosity recycled PET sheath-core composite monofilaments with trilobal cross sections, an imaginary circle is made around the center of the trilobal, the part of the trilobal, which is overlapped with the imaginary circle, is a core layer, and the rest part is a skin layer;
the crimp shrinkage rate of the carpet yarn is 43.4-47.9%, and the crimp stability is 72.8-82.6%;
the gram weight of the carpet for the vehicle is 1500-2000 g/m 2 The compressibility is 45-50%, and the compression resilience is more than or equal to 95%.
2. The method for preparing a carpet for vehicles according to claim 1, wherein the BCF process comprises the following steps: extrusion → circular air cooling → oiling → stretching → deformation → network → curling;
parameters of the BCF process are as follows: the spinning temperature is 285-290 ℃, the cooling temperature is 20-25 ℃, the pre-stretching roller temperature is 85-95 ℃, the stretching roller temperature is 162-175 ℃, the stretching multiple is 3.5-4.0, the deformation box temperature is 173-201 ℃, the deformation box pressure is 7.0-8.1 bar, and the winding speed is 1550-1759 m/min.
3. The method of claim 2, wherein the carpet yarn has a breaking tenacity of 2.6cN/dtex or more and an elongation at break of 30.7 ± 5.0%.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH08199437A (en) * | 1995-01-18 | 1996-08-06 | Teijin Ltd | Long and short composite carpet yarn and carpet little in free yarn |
| JP2003227042A (en) * | 2002-02-05 | 2003-08-15 | Toray Ind Inc | Polyester-based conjugated fiber |
| CN101338455B (en) * | 2008-08-14 | 2010-09-08 | 浙江义乌金汇化纤有限公司 | Easy-to-dye terylene BCF and method for preparing same |
| JP5487629B2 (en) * | 2009-02-03 | 2014-05-07 | 東レ株式会社 | Polyester monofilament and method for producing the same |
| CN101880927B (en) * | 2010-04-23 | 2012-01-04 | 江苏开利地毯股份有限公司 | Method for producing fine denier terylene BCF filaments and spinning plate |
| KR20130136075A (en) * | 2012-06-04 | 2013-12-12 | 현대자동차주식회사 | Eco friendly tufted carpet for vehicle having improved abrasion resistance |
| CN104674367B (en) * | 2013-11-29 | 2016-09-21 | 中国科学院兰州化学物理研究所 | A kind of preparation method of easy-to-dye terylene Blulked continuous Filament |
| CN105755562A (en) * | 2016-01-29 | 2016-07-13 | 太仓荣文合成纤维有限公司 | Asymmetric bi-component elastic complex fiber production method |
| CN106400179B (en) * | 2016-08-31 | 2019-03-08 | 荣翔化纤有限公司 | A kind of manufacturing method of polyisocyanate low elastic polyester filament resistant to lodging |
| CN109199048A (en) * | 2018-08-09 | 2019-01-15 | 龙福环能科技股份有限公司 | tufted carpet and its manufacturing method |
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