CN111118770A - Preparation method of carpet - Google Patents

Preparation method of carpet Download PDF

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Publication number
CN111118770A
CN111118770A CN201911386327.6A CN201911386327A CN111118770A CN 111118770 A CN111118770 A CN 111118770A CN 201911386327 A CN201911386327 A CN 201911386327A CN 111118770 A CN111118770 A CN 111118770A
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Prior art keywords
carpet
trilobal
pbt
ptt
temperature
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CN111118770B (en
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尹立新
沈建根
任怀林
王雪
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Jiangsu Hengli Chemical Fiber Co Ltd
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Jiangsu Hengli Chemical Fiber Co Ltd
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    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05CEMBROIDERING; TUFTING
    • D05C17/00Embroidered or tufted products; Base fabrics specially adapted for embroidered work; Inserts for producing surface irregularities in embroidered products
    • D05C17/02Tufted products
    • D05C17/023Tufted products characterised by the base fabric
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/20Adhesives in the form of films or foils characterised by their carriers
    • C09J7/21Paper; Textile fabrics
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/30Adhesives in the form of films or foils characterised by the adhesive composition
    • C09J7/35Heat-activated
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/253Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/28Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
    • D01D5/30Conjugate filaments; Spinnerette packs therefor
    • D01D5/34Core-skin structure; Spinnerette packs therefor
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F8/00Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/14Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, 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
    • D06N3/00Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0015Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
    • D06N3/0036Polyester fibres
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, 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
    • D06N3/00Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/004Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using flocked webs or pile fabrics upon which a resin is applied; Teasing, raising web before resin application
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, 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
    • D06N3/00Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/12Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
    • D06N3/121Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyesters, polycarbonates, alkyds
    • D06N3/123Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyesters, polycarbonates, alkyds with polyesters
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2203/00Applications of adhesives in processes or use of adhesives in the form of films or foils
    • C09J2203/314Applications of adhesives in processes or use of adhesives in the form of films or foils for carpets
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2400/00Presence of inorganic and organic materials
    • C09J2400/20Presence of organic materials
    • C09J2400/26Presence of textile or fabric
    • C09J2400/263Presence of textile or fabric in the substrate
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2467/00Presence of polyester
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, 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
    • D06N2209/00Properties of the materials
    • D06N2209/16Properties of the materials having other properties
    • D06N2209/1635Elasticity
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, 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
    • D06N2211/00Specially adapted uses
    • D06N2211/06Building materials
    • D06N2211/066Floor coverings

Abstract

The invention relates to a preparation method of a carpet, which comprises the steps of firstly arranging and warping carpet yarns and polyester yarns to obtain warps, then carrying out sleeve buckling treatment on the warps, and then connecting the warpsWeaving the carpet yarn serving as weft together with the buckled warp to prepare a base fabric, finally implanting the carpet yarn into the front side of the base fabric through tufting, coating polyester hot melt adhesive on the back side of the base fabric, and cooling to prepare the carpet; wherein, the preparation process of all carpet yarns comprises the following steps: in the process of preparing the circular sheath-core composite fiber from PBT and PTT according to the BCF process, the spinneret orifices on the spinneret plate are changed into trilobal from circular, circular blowing cooling is adopted, and the three leaves of the trilobal spinneret orifices on the spinneret plate are controlled to have unequal length and incomplete equal width, so that carpet yarn is prepared; the gram weight of the prepared carpet is 2000-2500 g/m2The compressibility is 50-55%, and the compression resilience is more than or equal to 98%. The carpet prepared by the preparation method of the carpet has good compression resilience.

Description

Preparation method of carpet
Technical Field
The invention belongs to the technical field of textile fabrics, and relates to a preparation method of a carpet.
Background
At present, carpets are paved on the ground in many places to achieve noble and elegant decorative effects. The types of carpet are varied and include hand carpets, needle carpets, tufted carpets, Wilton carpets, Akming carpets, pattern carpets, modular carpets, and the like. Whether a tufting loom or a rapier loom is used to process the carpet, BCF is required as the raw material.
Since the BCF production technology is industrialized, the BCF raw materials are mainly Polyamide (PA) and polypropylene (PP) in the world, and polyester is rarely adopted. The PBT polyester has more comfortable wool-type hand feeling, the carpet fluff has certain resilience (resilience) after being pressed, the properties make the PBT polyester particularly suitable for manufacturing carpets besides being used as plastics, but the resilience of the PBT polyester carpets is far lower than that of PA carpets, and the application of the PBT polyester carpets is greatly limited.
Therefore, the research on the preparation method of the carpet with better rebound resilience is of great significance.
Disclosure of Invention
The invention provides a preparation method of a carpet, and aims to solve the problem that in the prior art, a carpet made of polyester such as PBT is far lower in resilience than a carpet made of PA.
In order to achieve the purpose, the invention adopts the following scheme:
a preparation method of a carpet comprises the steps of firstly arranging and warping carpet yarns and polyester yarns to obtain warps, then carrying out loop buckling treatment on the warps, then weaving the warps and the loops treated warps by taking the carpet yarns as wefts to obtain base cloth, finally implanting the carpet yarns into the front side of the base cloth through tufting, coating polyester hot melt adhesive on the back side of the base cloth, and cooling to obtain the carpet;
all carpet yarns were prepared as follows:
in the process of preparing the circular sheath-core composite fiber from PBT and PTT according to the BCF process, the spinneret holes on the spinneret plate are changed into trilobal from circular, circular air blowing is adopted for cooling, and the arrangement of the trilobal spinneret holes on the spinneret plate is controlled to meet certain conditions, so that carpet yarn is prepared;
the length ratio of three leaves of the same trilobal spinneret orifice is 1.0: 1.1-1.4: 2.0-2.5, the width ratio of the corresponding three leaves is 1:1.5:1.5, the length ratio of the shortest leaf to the width ratio is 2.5-3.5: 1, and the included angle of the central lines of two adjacent leaves is 120 degrees; 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 is prepared by implanting carpet yarn into the front side of base fabric through tufting, coating polyester hot melt adhesive on the back side of the base fabric, and cooling, wherein the base fabric is prepared by firstly arranging and warping the carpet yarn and polyester yarn to obtain warp, then carrying out loop-buckling treatment on the warp, then taking the carpet yarn as weft, and weaving the weft together with the loop-buckled warp;
all carpet yarns are sheath-core composite fibers prepared by taking PBT and PTT as raw materials according to a BCF process, the PBT and the PTT 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 sheath-core composite spinning, the distribution relation of melts on the spinneret plate is as follows: the core layer corresponds to one melt I (PBT or PTT), and the skin layer corresponds to the other melt II (PBT or PTT); when two melts are extruded from the spinneret orifice under the action of spinning pressureThe 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 circle center is the melt I, and the end of each leaf far away from the circle center is the melt II; cooling with a circular air blow while drawing to form fibers. When the fiber is subjected to heat treatment, there is a force effect on its cross section: the PBT component and the PTT component are arranged on each blade, the thermal shrinkage rates of the PBT component and the PTT component are different, so that a drag force is formed on the blade, and the drag forces on the three blades face to or depart from the center of an imaginary circle simultaneously; moreover, because the three leaves of the trilobal spinneret orifice are unequal in length and not completely equal in width, drag force on each leaf is different; this differential drag causes the PBT/PTT sheath-core composite filaments in the resulting carpet yarn to exhibit a twisted morphology (twist angle per unit length)
Figure BDA0002343730780000021
45 to 128 DEG/10 μm of (
Figure BDA0002343730780000022
l is the length of the fiber segment with the number of twisting turns of 1, and the unit is mum)), and the twisting performance is stable, and a certain three-dimensional curling shape is formed on the basis of twisting, so that the compression resilience of the household carpet made of the carpet yarn is greatly increased. In addition, due to the existence of the capillary grooves among the three-leaf profiled fibers, the household carpet prepared from the three-leaf profiled fibers has better water absorption performance; the raw materials used in the preparation process of the carpet are all polyester, are convenient to recover and have very important environmental protection value.
As a preferred technical scheme:
according to the preparation method of the carpet, the mass ratio of the PBT to the PTT is 50: 50.
According to the preparation method of the carpet, the intrinsic viscosity of the PBT is 1.10-1.20 dL/g, and the temperature of a spinning manifold corresponding to the PBT is 265-270 ℃; the intrinsic viscosity of the PTT is 1.00-1.10 dL/g, and the temperature of a spinning box body corresponding to the PTT is 273-275 ℃.
In the above carpet manufacturing method, 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 270-273 ℃, the cooling temperature is 20-25 ℃, the pre-stretching roller temperature is 75-81 ℃, the stretching roller temperature is 145-155 ℃, the stretching multiple is 3.3-3.7, the deformation box temperature is 161-183 ℃, the deformation box pressure is 7.0-8.1 bar, and the winding speed is 1480-1620 m/min.
According to the preparation method of the carpet, the carpet yarn has a three-dimensional crimp shape and consists of a plurality of PBT/PTT skin-core composite monofilaments with the 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 the core layer, and the rest is the skin layer.
According to the preparation method of the carpet, the crimp shrinkage rate of the carpet yarn is 48.1-53.1% and the crimp stability is 74.5-83.9% measured according to GB/T6506-2001.
According to the preparation method of the carpet, the breaking strength of the carpet yarn is more than or equal to 2.5cN/dtex, the elongation at break is 30.7 +/-5.0%, and the total titer is 1000-2000 dtex.
The preparation method of the carpet has the base cloth with the gram weight of 280-300 g/m2(ii) a The gram weight of the carpet is 2000-2500 g/m2The compressibility is 50-55% (the test method is the same as that of the patent CN1281799C), and the compression resilience is more than or equal to 98% (the test method is the same as that of the patent CN 1281799C).
Has the advantages that:
(1) according to the preparation method of the carpet, the raw materials used in the preparation process are all polyester, so that the carpet is convenient to recover and has very important environmental protection value;
(2) the carpet prepared by the preparation method of the carpet has higher compression resilience than the existing carpet.
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 orifices and the distribution thereof on the spinneret plate are shown in the attached figures 1-2, the length ratio of three leaves of the same trilobal spinneret orifice is 1.0: 1.1-1.4: 2.0-2.5, the width ratio of the corresponding three leaves is 1:1.5:1.5, the length ratio of the shortest leaf to the width ratio is 2.5-3.5: 1, and the included angle of the central lines of two adjacent leaves is 120 degrees; 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 circle center and points away from the circle center. The drawings are only schematic and should not be construed as limiting the invention.
Example 1
A preparation method of a carpet comprises the following steps:
(1) preparing carpet yarn:
in the process of preparing circular sheath-core composite fibers from PBT with the intrinsic viscosity of 1.10dL/g and PTT with the intrinsic viscosity of 1.00dL/g according to a BCF process, changing spinneret holes on a spinneret plate from circular to trilobal, cooling by circular blowing, and controlling the arrangement of the trilobal spinneret holes on the spinneret plate to meet certain conditions to prepare carpet yarns; wherein the mass ratio of PBT to PTT is 50:50, the temperature of a spinning beam corresponding to PBT is 265 ℃, and the temperature of a spinning beam corresponding to PTT is 273 ℃; 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 270 ℃, the cooling temperature is 20 ℃, the pre-stretching roller temperature is 75 ℃, the stretching roller temperature is 145 ℃, the stretching multiple is 3.3, the deformation box temperature is 161 ℃, the deformation box pressure is 7.0bar, and the winding speed is 1480 m/min;
the length ratio of three leaves of the same trilobal spinneret orifice is 1.0:1.1:2.0, the width ratio of the corresponding three leaves is 1:1.5:1.5, the length ratio of the shortest leaf to the width ratio is 2.5:1, and the included angle of the central lines of the two adjacent leaves is 120 degrees; 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 crimp shape, and consists of a plurality of PBT/PTT skin-core composite monofilaments with trilobal cross sections, an imaginary circle is made around the center of the trilobal, the part of the trilobal three leaves, which is coincided with the imaginary circle, is a core layer, and the rest part is a skin layer; the breaking strength of the carpet yarn is 2.5cN/dtex, the elongation at break is 35.7%, the total titer is 1000dtex, the crimp shrinkage is 48.1%, and the crimp stability is 74.5%;
(2) preparing a carpet:
firstly, carpet yarn and polyester yarn are arranged and warped to obtain warp, then the warp is subjected to looping treatment, and then the carpet yarn is used as weft and is woven together with the looped warp to obtain base fabric (the gram weight is 280 g/m)2) Finally, after the carpet yarn is implanted into the front side of the base fabric through tufting, the back side of the base fabric is coated with polyester hot melt adhesive and then cooled to obtain the carpet;
the gram weight of the prepared carpet is 2000g/m2The compressibility was 50% and the compression resilience 98.1%.
Example 2
A preparation method of a carpet comprises the following steps:
(1) preparing carpet yarn:
in the process of preparing circular sheath-core composite fibers from PBT with the intrinsic viscosity of 1.12dL/g and PTT with the intrinsic viscosity of 1.02dL/g according to a BCF process, changing spinneret holes on a spinneret plate from circular to trilobal, cooling by circular blowing, and controlling the arrangement of the trilobal spinneret holes on the spinneret plate to meet certain conditions to prepare carpet yarns; wherein the mass ratio of PBT to PTT is 50:50, the temperature of a spinning beam corresponding to PBT is 267 ℃, and the temperature of a spinning beam corresponding to PTT is 273 ℃; 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 270 ℃, the cooling temperature is 21 ℃, the pre-stretching roller temperature is 75 ℃, the stretching roller temperature is 148 ℃, the stretching ratio is 3.3, the deformation box temperature is 168 ℃, the deformation box pressure is 7.1bar, and the winding speed is 1571 m/min;
the length ratio of three leaves of the same trilobal spinneret orifice is 1.0:1.2:2.0, the width ratio of the corresponding three leaves is 1:1.5:1.5, the length ratio of the shortest leaf to the width ratio is 2.9:1, and the included angle of the central lines of the two adjacent leaves is 120 degrees; 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 crimp shape, and consists of a plurality of PBT/PTT skin-core composite monofilaments with trilobal cross sections, an imaginary circle is made around the center of the trilobal, the part of the trilobal three leaves, which is coincided 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%, the total fineness is 1134dtex, the crimp shrinkage is 48.4%, and the crimp stability is 78.5%;
(2) preparing a carpet:
firstly, carpet yarn and polyester yarn are arranged and warped to obtain warp, then the warp is subjected to looping treatment, and then the carpet yarn is used as weft and is woven together with the looped warp to obtain base fabric (the gram weight is 281 g/m)2) Finally, after the carpet yarn is implanted into the front side of the base fabric through tufting, the back side of the base fabric is coated with polyester hot melt adhesive and then cooled to obtain the carpet;
the gram weight of the prepared carpet is 2135g/m2The compressibility was 50% and the compression resilience 98.1%.
Example 3
A preparation method of a carpet comprises the following steps:
(1) preparing carpet yarn:
in the process of preparing circular sheath-core composite fibers from PBT with the intrinsic viscosity of 1.13dL/g and PTT with the intrinsic viscosity of 1.05dL/g according to a BCF process, changing spinneret holes on a spinneret plate from circular to trilobal, cooling by circular blowing, and controlling the arrangement of the trilobal spinneret holes on the spinneret plate to meet certain conditions to prepare carpet yarns; wherein the mass ratio of PBT to PTT is 50:50, the temperature of a spinning beam corresponding to PBT is 268 ℃, and the temperature of a spinning beam corresponding to PTT is 273 ℃; 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 270 ℃, the cooling temperature is 22 ℃, the pre-stretching roller temperature is 76 ℃, the stretching roller temperature is 151 ℃, the stretching ratio is 3.4, the deformation box temperature is 169 ℃, the deformation box pressure is 7.2bar, and the winding speed is 1572 m/min;
the length ratio of three leaves of the same trilobal spinneret orifice is 1.0:1.1:2.2, the width ratio of the corresponding three leaves is 1:1.5:1.5, the length ratio of the shortest leaf to the width ratio is 2.8:1, and the included angle of the central lines of the two adjacent leaves is 120 degrees; 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 crimp shape, and consists of a plurality of PBT/PTT skin-core composite monofilaments with trilobal cross sections, an imaginary circle is made around the center of the trilobal, the part of the trilobal three leaves, which is coincided 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 31.5%, the total fineness is 1289dtex, the crimp shrinkage is 49.2%, and the crimp stability is 79.4%;
(2) preparing a carpet:
firstly, carpet yarn and polyester yarn are arranged and warped to obtain warp, then the warp is subjected to looping treatment, and then the carpet yarn is used as weft and is woven together with the looped warp to obtain base fabric (the gram weight is 285 g/m)2) Finally, after the carpet yarn is implanted into the front side of the base fabric through tufting, the back side of the base fabric is coated with polyester hot melt adhesive and then cooled to obtain the carpet;
the gram weight of the prepared carpet is 2177g/m2Compressibility of 51% and a compression resilience of 98.4%.
Example 4
A preparation method of a carpet comprises the following steps:
(1) preparing carpet yarn:
in the process of preparing circular sheath-core composite fibers from PBT with the intrinsic viscosity of 1.13dL/g and PTT with the intrinsic viscosity of 1.05dL/g according to a BCF process, changing spinneret holes on a spinneret plate from circular to trilobal, cooling by circular blowing, and controlling the arrangement of the trilobal spinneret holes on the spinneret plate to meet certain conditions to prepare carpet yarns; wherein the mass ratio of PBT to PTT is 50:50, the temperature of a spinning beam corresponding to PBT is 268 ℃, and the temperature of a spinning beam corresponding to PTT is 274 ℃; 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 270 ℃, the cooling temperature is 22 ℃, the pre-stretching roller temperature is 76 ℃, the stretching roller temperature is 152 ℃, the stretching ratio is 3.5, the deformation box temperature is 172 ℃, the deformation box pressure is 7.4bar, and the winding speed is 1574 m/min;
the length ratio of three leaves of the same trilobal spinneret orifice is 1.0:1.4:2.0, the width ratio of the corresponding three leaves is 1:1.5:1.5, the length ratio of the shortest leaf to the width ratio is 2.8:1, and the included angle of the central lines of the two adjacent leaves is 120 degrees; 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 crimp shape, and consists of a plurality of PBT/PTT skin-core composite monofilaments with trilobal cross sections, an imaginary circle is made around the center of the trilobal, the part of the trilobal three leaves, which is coincided 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 30.3%, the total titer is 1467dtex, the crimp shrinkage is 49.7%, and the crimp stability is 79.4%;
(2) preparing a carpet:
firstly, carpet yarn and polyester yarn are arranged and warped to obtain warp yarn, and then the warp yarn isThe thread is processed by looping treatment, then carpet yarn is used as weft, and is woven together with the looped warp to obtain base fabric (the gram weight is 287 g/m)2) Finally, after the carpet yarn is implanted into the front side of the base fabric through tufting, the back side of the base fabric is coated with polyester hot melt adhesive and then cooled to obtain the carpet;
the gram weight of the prepared carpet is 2195g/m2The compressibility was 51% and the compression resilience 98.7%.
Example 5
A preparation method of a carpet comprises the following steps:
(1) preparing carpet yarn:
in the process of preparing circular sheath-core composite fibers from PBT with the intrinsic viscosity of 1.14dL/g and PTT with the intrinsic viscosity of 1.05dL/g according to a BCF process, changing spinneret holes on a spinneret plate from circular to trilobal, cooling by circular blowing, and controlling the arrangement of the trilobal spinneret holes on the spinneret plate to meet certain conditions to prepare carpet yarns; wherein the mass ratio of PBT to PTT is 50:50, the temperature of a spinning beam corresponding to PBT is 268 ℃, and the temperature of a spinning beam corresponding to PTT is 274 ℃; 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 272 ℃, the cooling temperature is 23 ℃, the pre-stretching roller temperature is 76 ℃, the stretching roller temperature is 153 ℃, the stretching ratio is 3.5, the deformation box temperature is 176 ℃, the deformation box pressure is 7.4bar, and the winding speed is 1580 m/min;
the length ratio of three leaves of the same trilobal spinneret orifice is 1.0:1.4:2.5, the width ratio of the corresponding three leaves is 1:1.5:1.5, the length ratio of the shortest leaf to the width ratio is 2.7:1, and the included angle of the central lines of the two adjacent leaves is 120 degrees; 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 crimp shape, and consists of a plurality of PBT/PTT skin-core composite monofilaments with trilobal cross sections, an imaginary circle is made around the center of the trilobal, the part of the trilobal three leaves, which is coincided 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 29%, the total titer is 1706dtex, the crimp shrinkage is 50.5%, and the crimp stability is 79.6%;
(2) preparing a carpet:
firstly, carpet yarn and polyester yarn are arranged and warped to obtain warp, then the warp is subjected to looping treatment, and then the carpet yarn is used as weft and is woven together with the looped warp to obtain base fabric (the gram weight is 287 g/m)2) Finally, after the carpet yarn is implanted into the front side of the base fabric through tufting, the back side of the base fabric is coated with polyester hot melt adhesive and then cooled to obtain the carpet;
the gram weight of the prepared carpet is 2260g/m2The compressibility was 51% and the compression resilience 98.8%.
Example 6
A preparation method of a carpet comprises the following steps:
(1) preparing carpet yarn:
in the process of preparing circular sheath-core composite fibers from PBT with the intrinsic viscosity of 1.15dL/g and PTT with the intrinsic viscosity of 1.08dL/g according to a BCF process, changing spinneret holes on a spinneret plate from circular to trilobal, cooling by circular blowing, and controlling the arrangement of the trilobal spinneret holes on the spinneret plate to meet certain conditions to prepare carpet yarns; wherein the mass ratio of PBT to PTT is 50:50, the temperature of a spinning beam corresponding to PBT is 269 ℃, and the temperature of a spinning beam corresponding to PTT is 275 ℃; 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 273 ℃, the cooling temperature is 23 ℃, the pre-stretching roller temperature is 79 ℃, the stretching roller temperature is 154 ℃, the stretching ratio is 3.6, the deformation box temperature is 180 ℃, the deformation box pressure is 7.6bar, and the winding speed is 1592 m/min;
the length ratio of three leaves of the same trilobal spinneret orifice is 1.0:1.2:2.3, the width ratio of the corresponding three leaves is 1:1.5:1.5, the length ratio of the shortest leaf to the width ratio is 2.9:1, and the included angle of the central lines of the two adjacent leaves is 120 degrees; 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 crimp shape, and consists of a plurality of PBT/PTT skin-core composite monofilaments with trilobal cross sections, an imaginary circle is made around the center of the trilobal, the part of the trilobal three leaves, which is coincided 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 28.5%, the total fineness is 1817dtex, the crimp shrinkage is 52%, and the crimp stability is 81.6%;
(2) preparing a carpet:
firstly, carpet yarn and polyester yarn are arranged and warped to obtain warp, then the warp is subjected to looping treatment, and then the carpet yarn is used as weft and is woven together with the looped warp to obtain base fabric (the gram weight is 290 g/m)2) Finally, after the carpet yarn is implanted into the front side of the base fabric through tufting, the back side of the base fabric is coated with polyester hot melt adhesive and then cooled to obtain the carpet;
the gram weight of the prepared carpet is 2317g/m2The compressibility was 53% and the compression resilience was 99.3%.
Example 7
A preparation method of a carpet comprises the following steps:
(1) preparing carpet yarn:
in the process of preparing circular sheath-core composite fibers from PBT with the intrinsic viscosity of 1.16dL/g and PTT with the intrinsic viscosity of 1.09dL/g according to a BCF process, changing spinneret holes on a spinneret plate from circular to trilobal, cooling by circular blowing, and controlling the arrangement of the trilobal spinneret holes on the spinneret plate to meet certain conditions to prepare carpet yarns; wherein the mass ratio of PBT to PTT is 50:50, the temperature of a spinning beam corresponding to PBT is 269 ℃, and the temperature of a spinning beam corresponding to PTT is 275 ℃; 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 273 ℃, the cooling temperature is 24 ℃, the pre-stretching roller temperature is 79 ℃, the stretching roller temperature is 155 ℃, the stretching multiple is 3.7, the deformation box temperature is 181 ℃, the deformation box pressure is 7.9bar, and the winding speed is 1604 m/min;
the length ratio of three leaves of the same trilobal spinneret orifice is 1.0:1.3:2.0, the width ratio of the corresponding three leaves is 1:1.5:1.5, the length ratio of the shortest leaf to the width ratio is 3.0:1, and the included angle of the central lines of the two adjacent leaves is 120 degrees; 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 crimp shape, and consists of a plurality of PBT/PTT skin-core composite monofilaments with trilobal cross sections, an imaginary circle is made around the center of the trilobal, the part of the trilobal three leaves, which is coincided 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 27.9%, the total fineness is 1913dtex, the crimp shrinkage is 52.7%, and the crimp stability is 83.7%;
(2) preparing a carpet:
firstly, carpet yarn and polyester yarn are arranged and warped to obtain warp, then the warp is subjected to looping treatment, and then the carpet yarn is used as weft and is woven together with the looped warp to obtain base fabric (the gram weight is 297 g/m)2) Finally, after the carpet yarn is implanted into the front side of the base fabric through tufting, the back side of the base fabric is coated with polyester hot melt adhesive and then cooled to obtain the carpet;
the gram weight of the prepared carpet is 2362g/m2The compressibility was 53% and the compression resilience was 99.7%.
Example 8
A preparation method of a carpet comprises the following steps:
(1) preparing carpet yarn:
in the process of preparing circular sheath-core composite fibers from PBT with the intrinsic viscosity of 1.2dL/g and PTT with the intrinsic viscosity of 1.1dL/g according to a BCF process, changing spinneret holes on a spinneret plate from circular to trilobal, cooling by circular blowing, and controlling the arrangement of the trilobal spinneret holes on the spinneret plate to meet certain conditions to prepare carpet yarns; wherein the mass ratio of the PBT to the PTT is 50:50, the temperature of a spinning beam corresponding to the PBT is 270 ℃, and the temperature of a spinning beam corresponding to the PTT is 275 ℃; 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 273 ℃, the cooling temperature is 25 ℃, the pre-stretching roller temperature is 81 ℃, the stretching roller temperature is 155 ℃, the stretching multiple is 3.7, the deformation box temperature is 183 ℃, the deformation box pressure is 8.1bar, and the winding speed is 1620 m/min;
the length ratio of three leaves of the same trilobal spinneret orifice is 1.0:1.1:2.0, the width ratio of the corresponding three leaves is 1:1.5:1.5, the length ratio of the shortest leaf to the width ratio is 3.5:1, and the included angle of the central lines of the two adjacent leaves is 120 degrees; 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 crimp shape, and consists of a plurality of PBT/PTT skin-core composite monofilaments with trilobal cross sections, an imaginary circle is made around the center of the trilobal, the part of the trilobal three leaves, which is coincided 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 25.7%, the total fineness is 2000dtex, the crimp shrinkage is 53.1%, and the crimp stability is 83.9%;
(2) preparing a carpet:
firstly, carpet yarn and polyester yarn are arranged and warped to obtain warp, then the warp is subjected to looping treatment, and then the carpet yarn is used as weft and is woven together with the looped warp to obtain base fabric (the gram weight is 300 g/m)2) Finally, after the carpet yarn is implanted into the front side of the base fabric through tufting, the back side of the base fabric is coated with polyester hot melt adhesive and then cooled to obtain the carpet;
the gram weight of the prepared carpet is 2500g/m2The compressibility was 55% and the compression resilience was 99.9%.

Claims (8)

1. A preparation method of a carpet is characterized by comprising the following steps: firstly, arranging and warping carpet yarns and polyester yarns to obtain warps, then carrying out loop-buckling treatment on the warps, then weaving the carpet yarns serving as wefts and the loops-buckled warps to obtain base fabric, finally implanting the carpet yarns into the front side of the base fabric through tufting, coating polyester hot melt adhesive on the back side of the base fabric, and cooling to obtain a carpet;
all carpet yarns were prepared as follows:
in the process of preparing the circular sheath-core composite fiber from PBT and PTT according to the BCF process, the spinneret holes on the spinneret plate are changed into trilobal from circular, circular air blowing is adopted for cooling, and the arrangement of the trilobal spinneret holes on the spinneret plate is controlled to meet certain conditions, so that carpet yarn is prepared;
the length ratio of three leaves of the same trilobal spinneret orifice is 1.0: 1.1-1.4: 2.0-2.5, the width ratio of the corresponding three leaves is 1:1.5:1.5, the length ratio of the shortest leaf to the width ratio is 2.5-3.5: 1, and the included angle of the central lines of two adjacent leaves is 120 degrees; 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.
2. The method for preparing a carpet as claimed in claim 1, wherein the mass ratio of PBT to PTT is 50: 50.
3. The preparation method of the carpet as claimed in claim 1, wherein the intrinsic viscosity of the PBT is 1.10-1.20 dL/g, and the temperature of a spinning manifold corresponding to the PBT is 225-220 ℃; the intrinsic viscosity of PTT is 1.00-1.10 dL/g, and the temperature of a spinning box body corresponding to PTT is 223-225 ℃.
4. The method for preparing a carpet as claimed in claim 3, 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 270-273 ℃, the cooling temperature is 20-25 ℃, the pre-stretching roller temperature is 75-81 ℃, the stretching roller temperature is 145-155 ℃, the stretching multiple is 3.3-3.7, the deformation box temperature is 161-183 ℃, the deformation box pressure is 7.0-8.1 bar, and the winding speed is 1480-1620 m/min.
5. The method for preparing a carpet as claimed in claim 4, wherein the carpet yarn has a three-dimensional crimp shape and is composed of a plurality of PBT/PTT sheath-core composite monofilaments having a trilobal cross section, an imaginary circle is drawn around the center of the trilobal shape, the part of the trilobal which is overlapped with the imaginary circle is the core layer, and the rest is the sheath layer.
6. The method of claim 5, wherein the carpet yarn has a crimp shrinkage of 48.1 to 53.1% and a crimp stability of 24.5 to 83.9%.
7. The method for preparing a carpet as claimed in claim 5, wherein the carpet yarn has a breaking strength of 2.5cN/dtex or more, an elongation at break of 30.2 ± 5.0%, and a total fineness of 1000 to 2000 dtex.
8. The method for preparing a carpet as claimed in claim 1, wherein the basis weight of the base fabric is 280-300 g/m2(ii) a The gram weight of the carpet is 2000-2500 g/m2The compressibility is 50-55%, and the compression resilience is more than or equal to 98%.
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JPS6170003A (en) * 1984-09-10 1986-04-10 カネボウ株式会社 Dust-proof garment
JPH07173741A (en) * 1993-12-20 1995-07-11 Kuraray Co Ltd Production of woven fabric
US5597650A (en) * 1994-11-14 1997-01-28 Mallonee; William C. Conjugate carpet face yarn
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CN109648961A (en) * 2019-01-14 2019-04-19 河南凯辉实业有限公司 A kind of grinding tempered glass functional carpet and preparation method thereof

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