CN113022038A - Low-temperature-resistant PVC covering cloth and production method thereof - Google Patents

Low-temperature-resistant PVC covering cloth and production method thereof Download PDF

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CN113022038A
CN113022038A CN202110319106.8A CN202110319106A CN113022038A CN 113022038 A CN113022038 A CN 113022038A CN 202110319106 A CN202110319106 A CN 202110319106A CN 113022038 A CN113022038 A CN 113022038A
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fiber
pvc
tarpaulin
layer
nylon
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CN113022038B (en
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翟明宇
洪新球
张洲
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Jiaxing University
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Jiaxing University
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/08—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • 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
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06N3/06—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with polyvinylchloride or its copolymerisation products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating

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  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Laminated Bodies (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

The invention discloses a low-temperature-resistant PVC tarpaulin and a production method thereof, belonging to the field of textile, and comprising a base cloth layer and PVC coatings coated on the upper side surface and the lower side surface of the base cloth layer, wherein the base cloth layer is formed by stitching and knitting upper and lower layers of woven cloth through carbon fiber filaments. The invention has the beneficial effects that: the base cloth layer is made of woven cloth and carbon fiber filament through stitch-bonding, the strength and the shape-keeping effect of the woven cloth are excellent, the overall dimensional stability of the tarpaulin is improved, the carbon fiber filament stitch-bonding is matched with the woven cloth, the defect of warp-wise strength of the woven cloth is just made up, the strength and the dimensional stability of the tarpaulin cannot be greatly influenced under the low-temperature severe environment, the tarpaulin is particularly suitable for being used under the severe environment in the north such as the strong wind or sand storm environment, and the tarpaulin has the advantages of high strength, good dimensional stability, long service life and the like.

Description

Low-temperature-resistant PVC covering cloth and production method thereof
Technical Field
The invention relates to the field of textiles, in particular to a low-temperature-resistant PVC covering cloth and a production method thereof.
Background
The PVC covering cloth is used as a traditional large-class product in industrial textiles, serves various related fields of society, can be used for blocking ultraviolet radiation, preventing cold, water and aging, is an excellent article for protecting adverse environmental influences, is far better than PP and PE covering cloth in rainproof performance compared with common PE covering cloth, and has wide application in the fields of covering houses, automobiles, trains, storage and the like. For example, chinese patent CN105690953A discloses a folding-resistant PVC tarpaulin, which is composed of a mesh cloth coated with PVC coatings on both sides, wherein the PVC coatings comprise the following components in parts by weight: 80 parts of PVC paste resin, 70-90 parts of dioctyl phthalate, 55-65 parts of calcium carbonate, 1-10 parts of thermoplastic filaments, 3-6 parts of chlorinated paraffin, 3-6 parts of stabilizer, 3-10 parts of dearomatized solvent oil and 1-8 parts of vinyl pyridine adhesive. Although the folding resistance of the PVC covering cloth is improved, the folding-resistant PVC covering cloth has the defects of poor cold resistance and poor wear resistance in severe environments such as low temperature.
For another example, chinese patent CN105690958A discloses a high-strength PVC tarpaulin, which is formed by coating PVC coatings on both sides of woven fabric, wherein the PVC coatings comprise the following components in parts by weight: 80 parts of PVC paste resin, 10-30 parts of chlorinated polyethylene, 40-85 parts of dioctyl phthalate, 1-8 parts of titanium dioxide, 1-35 parts of shell grinding powder, 3-6 parts of stabilizer, 0-10 parts of antioxidant and 1-8 parts of adhesive. Although the carapace grinding powder adsorbs chlorine free radicals generated by PVC thermal decomposition, inhibits the subsequent decomposition of PVC caused by the chlorine free radicals, improves the thermal stability of the PVC covering cloth, and enables the PVC covering cloth to have lasting strength, the folding-resistant PVC covering cloth has the defects of poor folding resistance and poor use stability in severe environment.
Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.
Disclosure of Invention
Aiming at the problems of poor use stability, poor folding resistance, poor cold resistance and the like of the PVC covering cloth in the prior art under severe environment, the invention provides the low-temperature-resistant PVC covering cloth which comprises a base cloth layer and PVC coatings coated on the upper side surface and the lower side surface of the base cloth layer, wherein the base cloth layer is formed by stitching the upper woven cloth layer and the lower woven cloth layer through carbon fiber filaments.
The base cloth layer is made of woven cloth and carbon fiber filament through stitch-bonding, the strength and the shape-keeping effect of the woven cloth are excellent, the overall dimensional stability of the tarpaulin is improved, the carbon fiber filament stitch-bonding is matched with the woven cloth, the defect of warp-wise strength of the woven cloth is just made up, the strength and the dimensional stability of the tarpaulin cannot be greatly influenced under the low-temperature severe environment, the tarpaulin is particularly suitable for being used under the severe environment in the north such as the strong wind or sand storm environment, and the tarpaulin has the advantages of high strength, good dimensional stability, long service life and the like.
Preferably, the woven cloth weft yarn is wholly or partially a yarn containing carbon fiber. The weft of the woven fabric is wholly or partially made of yarns containing carbon fibers, so that the weft strength and the dimensional stability of the tarpaulin in a low-temperature environment can be improved.
Preferably, the weft yarn part is a yarn containing carbon fiber, the other part is a nylon yarn, and the use ratio of the two yarns is 1: 1 or 1: 2 or 1: 3.
the weft of the woven fabric is matched with the nylon yarn by the carbon fiber-containing yarn, so that the folding resistance and the wear resistance of the tarpaulin in a low-temperature environment can be effectively improved by using the nylon yarn under the condition of ensuring the strength of the tarpaulin, and the surface hand feeling of the tarpaulin can also be greatly improved.
Preferably, all or part of the weft yarns are core-spun yarns formed by blending carbon fibers and nylon filaments, wherein the carbon fibers are the sheath, and the nylon filaments are the core.
Preferably, all or part of the weft yarns are yarns formed by blending carbon fibers and nylon fibers, wherein the mixing weight percentage of the carbon fibers and the nylon fibers is (30-50%): (50-70%).
Preferably, the fineness of the carbon fiber is 2.5-6D, and the length of the carbon fiber is 51 mm; the fineness of the nylon fiber is 1.5-2.5D, and the length of the nylon fiber is 51 mm.
Preferably, the warp of the woven fabric is spun by one or two of nylon fiber, polyester fiber, polypropylene fiber or acrylic fiber, and at least one of the adopted fibers is hollow fiber.
The woven fabric warp is spun by one or two of nylon fiber, polyester fiber, polypropylene fiber or acrylic fiber, is matched with the carbon fiber filament used for stitch bonding, gives consideration to the strength in the warp direction in a low-temperature environment, improves the overall dimensional stability and the wear-resisting folding resistance of the tarpaulin, and at least one of the hollow fiber is used for ensuring that the tarpaulin has good rebound resilience, can play a role in isolating, preserving heat and resisting wind and sand in the low-temperature environment.
Preferably, the stitch-bonding tracks of the carbon fiber filaments on the upper woven fabric layer and the lower woven fabric layer are open-end stitch chains, closed-end stitch chains or warp-flat structures.
Preferably, a fiber net layer is filled between the upper woven fabric and the lower woven fabric, the thickness of the fiber net layer is 1.0-2.5 mm, and the gram weight of the fiber net layer is 60g/cm2。
The invention also provides a production method of the low-temperature-resistant PVC covering cloth, which comprises the following steps:
step one, opening, mixing and carding 30-50 wt% of polyester fibers with the specification of 3D × 51mm and 50-70 wt% of polyester fibers with the specification of 1.5D × 51mm to form a web layer;
conveying the fiber net layer to the middle of two woven fabric layers arranged up and down, and performing stitch-bonding compounding on the fiber net layer through carbon fiber filaments to obtain a base fabric layer;
and step three, coating PVC coatings on the upper side surface and the lower side surface of the base cloth layer to obtain the required low-temperature-resistant PVC covering cloth.
Preferably, the preparation of the PVC coating comprises the following raw materials in parts by weight:
Figure BDA0002992435430000041
the PVC coating is plasticized by vinyl chloride copolymer, and has higher compatibility with PVC resin, so that the migration problem of the plasticizer in a low-temperature environment or a long-time use process is solved, and the use stability of the PVC coating and the tarpaulin in a severe environment is ensured.
Preferably, the preparation process of the vinyl chloride copolymer comprises the following steps: putting 70-90 wt% of vinyl chloride, 10-30 wt% of butyl linoleate, 0.3-1 wt% of sodium dodecyl sulfate and 0.3-1 wt% of potassium persulfate into a reaction kettle, controlling the temperature to be 45-60 ℃, and stirring for 4-6 hours to obtain the required vinyl chloride copolymer.
Has the advantages that:
the technical scheme of the invention has the following beneficial effects:
(1) the base cloth layer is made of woven cloth and carbon fiber filament through stitch-bonding, the strength and the shape-keeping effect of the woven cloth are excellent, the overall dimensional stability of the tarpaulin is improved, the carbon fiber filament stitch-bonding is matched with the woven cloth, the defect of warp-wise strength of the woven cloth is just made up, the strength and the dimensional stability of the tarpaulin cannot be greatly influenced under the low-temperature severe environment, the tarpaulin is particularly suitable for being used under the severe environment in the north such as the strong wind or sand storm environment, and the tarpaulin has the advantages of high strength, good dimensional stability, long service life and the like.
(2) The weft of the woven fabric is wholly or partially made of yarns containing carbon fibers, so that the weft strength and the dimensional stability of the tarpaulin in a low-temperature environment can be improved.
(3) The weft of the woven fabric is matched with the nylon yarn by the carbon fiber-containing yarn, so that the folding resistance and the wear resistance of the tarpaulin in a low-temperature environment can be effectively improved by using the nylon yarn under the condition of ensuring the strength of the tarpaulin, and the surface hand feeling of the tarpaulin can also be greatly improved.
(4) The woven fabric warp is spun by one or two of nylon fiber, polyester fiber, polypropylene fiber or acrylic fiber, is matched with the carbon fiber filament used for stitch bonding, gives consideration to the strength in the warp direction in a low-temperature environment, improves the overall dimensional stability and the wear-resisting folding resistance of the tarpaulin, and at least one of the hollow fiber is used for ensuring that the tarpaulin has good rebound resilience, can play a role in isolating, preserving heat and resisting wind and sand in the low-temperature environment.
(5) The PVC coating is plasticized by vinyl chloride copolymer, and has higher compatibility with PVC resin, so that the migration problem of the plasticizer in a low-temperature environment or a long-time use process is solved, and the use stability of the PVC coating and the tarpaulin in a severe environment is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of a preferred low temperature PVC tarpaulin structure of the present invention;
FIG. 2 is a schematic representation of the weft of the preferred woven fabric of the present invention.
In the figure:
1-a base fabric layer; 2-weaving a fabric; 3-PVC coating; 4-carbon fiber filaments;
5-yarns containing carbon fibers; 6-nylon yarn; 7-core spun yarn; 8-fiber web layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail and completely with reference to the examples of the present invention, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, provided in the examples, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1 and 2, the low temperature resistant PVC tarpaulin comprises a base cloth layer 1 and PVC coatings 3 coated on the upper and lower sides of the base cloth layer 1, wherein the base cloth layer 1 is formed by stitching an upper woven fabric layer and a lower woven fabric layer 2 through carbon fiber filaments 4.
The base cloth layer 1 is made of woven cloth 2 through stitch-bonding of carbon fiber filaments 4, the strength and the shape-keeping performance of woven cloth are excellent, the overall dimensional stability of the tarpaulin is improved, the warp-wise strength of the woven cloth 2 is just made up through the cooperation of the stitch-bonding of the carbon fiber filaments 4 and the woven cloth, the strength and the dimensional stability of the tarpaulin cannot be greatly influenced under the low-temperature severe environment, the tarpaulin is particularly suitable for being used under the severe environment in the north such as the strong wind or the sand storm environment, and the tarpaulin has the advantages of being high in strength, good in dimensional stability, long in service life and the like.
As a preferred embodiment, the weft of the woven fabric 2 is wholly or partially a yarn 5 containing carbon fiber. The weft of the woven fabric 2 is wholly or partially made of yarns 5 containing carbon fibers, so that the weft strength and the dimensional stability of the tarpaulin in a low-temperature environment can be improved.
As a preferred embodiment, the weft yarn is partly a yarn 5 containing carbon fiber, and partly a nylon yarn 6, and the ratio of the two yarns is 1: 1 or 1: 2 or 1: 3.
the weft yarns of the woven fabric 2 are matched with the nylon yarns 5 containing the carbon fibers, so that the folding resistance and the wear resistance of the tarpaulin in a low-temperature environment can be effectively improved and the surface hand feeling of the tarpaulin can be greatly improved by using the nylon yarns 6 under the condition of ensuring the strength of the tarpaulin.
In a preferred embodiment, the weft yarn is wholly or partially a core spun yarn 7 formed by blending carbon fibers and nylon filaments, wherein the carbon fibers are the sheath, and the nylon filaments are the core.
As a preferred embodiment, the weft is wholly or partially a yarn formed by blending carbon fibers and nylon fibers, wherein the mixing weight percentage of the carbon fibers and the nylon fibers is (30-50%): (50-70%).
In a preferred embodiment, the carbon fiber has a fineness of 2.5-6D and a length of 51 mm; the fineness of the nylon fiber is 1.5-2.5D, and the length of the nylon fiber is 51 mm.
In a preferred embodiment, the warp of the woven fabric 2 is one or two of nylon fiber, polyester fiber, polypropylene fiber and acrylic fiber, and at least one of the fibers is hollow fiber.
The warp of the woven fabric 2 is woven by one or two of nylon fiber, polyester fiber, polypropylene fiber or acrylic fiber, and is matched with the carbon fiber filament 4 used for stitch-bonding, so that the warp-wise strength in a low-temperature environment is considered, the overall dimensional stability and the wear-resisting and folding-resisting performance of the tarpaulin are improved, and at least one of the hollow fiber is used, so that the tarpaulin has good resilience, can play a role in isolating and preserving heat in a low-temperature environment and resisting wind and sand.
In a preferred embodiment, the stitching tracks of the carbon fiber filaments 4 on the upper and lower woven fabrics 2 are open-end stitching, closed-end stitching or warp-flat stitch.
As a preferred embodiment, a fiber net layer 8 is filled between the upper and lower woven fabrics 2, the thickness of the fiber net layer is 1.0-2.5 mm, and the gram weight of the fiber net layer is 60g/cm2。
The embodiment also provides a production method of the low-temperature-resistant PVC covering cloth, which comprises the following steps:
step one, opening, mixing and carding 30-50 wt% of polyester fibers with the specification of 3D × 51mm and 50-70 wt% of polyester fibers with the specification of 1.5D × 51mm to form a web to obtain a fiber web layer 8;
conveying the fiber net layer 8 to the middle of two woven fabric layers 2 which are arranged up and down, and performing stitch-bonding compounding on the fiber net layer by using carbon fiber filaments 4 to obtain a base fabric layer 1;
and step three, coating PVC coatings 3 on the upper side surface and the lower side surface of the base cloth layer 1 to obtain the required low-temperature-resistant PVC covering cloth.
As a preferred embodiment, the preparation of the PVC coating 3 comprises the following raw materials in parts by weight:
Figure BDA0002992435430000081
the PVC coating 3 is plasticized by vinyl chloride copolymer, and has high compatibility with PVC resin, so that the migration problem of the plasticizer in a low-temperature environment or a long-time use process is solved, and the use stability of the PVC coating 3 and the tarpaulin in a severe environment is ensured.
As a preferred embodiment, the preparation process of the vinyl chloride copolymer is: putting 70-90 wt% of vinyl chloride, 10-30 wt% of butyl linoleate, 0.3-1 wt% of sodium dodecyl sulfate and 0.3-1 wt% of potassium persulfate into a reaction kettle, controlling the temperature to be 45-60 ℃, and stirring for 4-6 hours to obtain the required vinyl chloride copolymer.
The advantageous effects of the technical solution according to the present embodiment will be further described by the following examples and comparative examples, wherein the vinyl chloride copolymer used in the following examples and comparative examples is prepared by the following processes: putting 70-90 wt% of vinyl chloride, 10-30 wt% of butyl linoleate, 0.3-1 wt% of sodium dodecyl sulfate and 0.3-1 wt% of potassium persulfate into a reaction kettle, controlling the temperature to be 45-60 ℃, and stirring for 4-6 hours to obtain the required vinyl chloride copolymer.
Example one
The production method of the PVC covering cloth in the embodiment comprises the following specific steps:
step one, opening, mixing and carding 40 wt% of polyester fibers with the specification of 3D × 51mm and 60 wt% of polyester fibers with the specification of 1.5D × 51mm to form a web layer;
conveying the fiber net layer to the middle of two woven fabric layers arranged up and down, and performing stitch-bonding compounding on the fiber net layer through carbon fiber filaments to obtain a base fabric layer;
and step three, coating PVC coatings on the upper side surface and the lower side surface of the base cloth layer to obtain the PVC covering cloth.
And in the second step, the weft yarns of the woven fabric layer are core-spun yarns formed by mixing carbon fibers serving as skins and nylon filaments serving as cores, and the use ratio of the carbon fiber yarns to the nylon fiber yarns is 1: 1, the mixing weight percentage is 40%: 60 percent, the fineness of the carbon fiber is 4D, and the length is 51 mm; the fineness of the nylon fiber is 2D, and the length of the nylon fiber is 51 mm; the warp yarn of the woven fabric is spun by nylon hollow fiber and terylene hollow fiber.
The PVC coating in the third step is prepared from the following raw materials in parts by weight: 75 parts of PVC resin; 40 parts of vinyl chloride copolymer; 3 parts of a stabilizer; 3 parts of an adhesive; 2 parts of a flame retardant; 0.4 part of pigment.
Example two
The production method of the PVC covering cloth in the embodiment comprises the following specific steps:
step one, opening, mixing and carding 30 wt% of polyester fibers with the specification of 3D × 51mm and 70 wt% of polyester fibers with the specification of 1.5D × 51mm to form a web layer;
conveying the fiber net layer to the middle of two woven fabric layers arranged up and down, and performing stitch-bonding compounding on the fiber net layer through carbon fiber filaments to obtain a base fabric layer;
and step three, coating PVC coatings on the upper side surface and the lower side surface of the base cloth layer to obtain the PVC covering cloth.
And in the second step, the weft yarns of the woven fabric layer are core-spun yarns formed by mixing carbon fibers serving as skins and nylon filaments serving as cores, and the use ratio of the carbon fiber yarns to the nylon fiber yarns is 1: 3, mixing the components in percentage by weight: 70 percent, the fineness of the carbon fiber is 2.5D, and the length is 51 mm; the fineness of the nylon fiber is 1.5D, and the length of the nylon fiber is 51 mm; the warp of the woven fabric is spun by nylon fiber and terylene hollow fiber.
The PVC coating in the third step is prepared from the following raw materials in parts by weight: 70 parts of PVC resin; 50 parts of vinyl chloride copolymer; 2 parts of a stabilizer; 2 parts of an adhesive; 0 part of a flame retardant; 0.2 part of pigment.
EXAMPLE III
The production method of the PVC covering cloth in the embodiment comprises the following specific steps:
firstly, opening, mixing and carding 50 wt% of polyester fibers with the specification of 3D × 51mm and 50 wt% of polyester fibers with the specification of 1.5D × 51mm to form a web layer;
conveying the fiber net layer to the middle of two woven fabric layers arranged up and down, and performing stitch-bonding compounding on the fiber net layer through carbon fiber filaments to obtain a base fabric layer;
and step three, coating PVC coatings on the upper side surface and the lower side surface of the base cloth layer to obtain the PVC covering cloth.
And in the second step, the weft yarns of the woven fabric layer are core-spun yarns formed by mixing carbon fibers serving as skins and nylon filaments serving as cores, and the use ratio of the carbon fiber yarns to the nylon fiber yarns is 1: 2, the mixing weight percentage is 50%: 50 percent, the fineness of the carbon fiber is 6D, and the length is 51 mm; the fineness of the nylon fiber is 2.5D, and the length of the nylon fiber is 51 mm; the warp of the woven fabric is spun by nylon hollow fiber and polyester fiber.
The PVC coating in the third step is prepared from the following raw materials in parts by weight: 80 parts of PVC resin; 80 parts of vinyl chloride copolymer; 5 parts of a stabilizer; 5 parts of an adhesive; 4 parts of a flame retardant; 0.6 part of pigment.
Example four
The production method of the PVC covering cloth in the embodiment comprises the following specific steps:
step one, opening, mixing and carding 40 wt% of polyester fibers with the specification of 3D × 51mm and 60 wt% of polyester fibers with the specification of 1.5D × 51mm to form a web layer;
conveying the fiber net layer to the middle of two woven fabric layers arranged up and down, and performing stitch-bonding compounding on the fiber net layer through carbon fiber filaments to obtain a base fabric layer;
and step three, coating PVC coatings on the upper side surface and the lower side surface of the base cloth layer to obtain the PVC covering cloth.
And in the second step, the weft yarns of the woven fabric layer are core-spun yarns formed by mixing carbon fibers serving as skins and nylon filaments serving as cores, and the use ratio of the carbon fiber yarns to the nylon fiber yarns is 1: 1, the mixing weight percentage is 40%: 60 percent, the fineness of the carbon fiber is 4.5D, and the length is 51 mm; the fineness of the nylon fiber is 2D, and the length of the nylon fiber is 51 mm; the warp of the woven fabric is spun by polypropylene hollow fiber and acrylic hollow fiber.
The PVC coating in the third step is prepared from the following raw materials in parts by weight: 75 parts of PVC resin; 60 parts of vinyl chloride copolymer; 4 parts of a stabilizer; 4 parts of an adhesive; 2 parts of a flame retardant; 0.4 part of pigment.
Comparative example 1
The production method of the PVC covering cloth in the comparative example comprises the following specific steps:
step one, opening, mixing and carding 40 wt% of polyester fibers with the specification of 3D × 51mm and 60 wt% of polyester fibers with the specification of 1.5D × 51mm to form a web layer;
conveying the fiber net layer to the middle of two woven fabric layers arranged up and down, and performing stitch-bonding and compounding on the fiber net layer by polyester filaments to obtain a base fabric layer;
and step three, coating PVC coatings on the upper side surface and the lower side surface of the base cloth layer to obtain the PVC covering cloth.
And in the second step, the weft yarns of the woven fabric layer are core-spun yarns by taking terylene as a sheath and nylon filaments as a core, and the using ratio of the terylene yarns to the nylon fiber yarns is 1: 1, the mixing weight percentage is 40%: 60 percent, the fineness of the terylene is 4D, and the length is 51 mm; the fineness of the nylon fiber is 2D, and the length of the nylon fiber is 51 mm; the warp yarn of the woven fabric is spun by nylon hollow fiber and terylene hollow fiber.
The PVC coating in the third step is prepared from the following raw materials in parts by weight: 75 parts of PVC resin; 40 parts of vinyl chloride copolymer; 3 parts of a stabilizer; 3 parts of an adhesive; 2 parts of a flame retardant; 0.4 part of pigment.
Comparative example No. two
The production method of the PVC covering cloth in the comparative example comprises the following specific steps:
step one, opening, mixing and carding 40 wt% of polyester fibers with the specification of 3D × 51mm and 60 wt% of polyester fibers with the specification of 1.5D × 51mm to form a web layer;
conveying the fiber net layer to the middle of two woven fabric layers arranged up and down, and performing stitch-bonding and compounding on the fiber net layer by polyester filaments to obtain a base fabric layer;
and step three, coating PVC coatings on the upper side surface and the lower side surface of the base cloth layer to obtain the PVC covering cloth.
The weft yarns of the woven fabric layer in the second step are polyester fiber yarns, the fineness of the polyester fibers is 2D, and the length of the polyester fibers is 51 mm; the warp of the woven fabric is spun by nylon fiber and polyester fiber.
The PVC coating in the third step is prepared from the following raw materials in parts by weight: 75 parts of PVC resin; 40 parts of vinyl chloride copolymer; 3 parts of a stabilizer; 3 parts of an adhesive; 2 parts of a flame retardant; 0.4 part of pigment.
Comparative example No. three
The production method of the PVC covering cloth in the comparative example comprises the following specific steps:
step one, opening, mixing and carding 40 wt% of polyester fibers with the specification of 3D × 51mm and 60 wt% of polyester fibers with the specification of 1.5D × 51mm to form a web layer;
conveying the fiber net layer to the middle of two woven fabric layers arranged up and down, and performing stitch-bonding compounding on the fiber net layer through carbon fiber filaments to obtain a base fabric layer;
and step three, coating PVC coatings on the upper side surface and the lower side surface of the base cloth layer to obtain the PVC covering cloth.
And in the second step, the weft yarns of the woven fabric layer are core-spun yarns formed by mixing carbon fibers serving as skins and nylon filaments serving as cores, and the use ratio of the carbon fiber yarns to the nylon fiber yarns is 1: 1, the mixing weight percentage is 40%: 60 percent, the fineness of the carbon fiber is 4D, and the length is 51 mm; the fineness of the nylon fiber is 2D, and the length of the nylon fiber is 51 mm; the warp yarn of the woven fabric is spun by nylon hollow fiber and terylene hollow fiber.
The PVC coating in the third step is prepared from the following raw materials in parts by weight: 75 parts of PVC resin; 3 parts of a stabilizer; 3 parts of an adhesive; 2 parts of a flame retardant; 0.4 part of pigment.
Comparative example No. four
The production method of the PVC covering cloth in the comparative example comprises the following specific steps:
step one, opening, mixing and carding 40 wt% of polyester fibers with the specification of 3D × 51mm and 60 wt% of polyester fibers with the specification of 1.5D × 51mm to form a web layer;
conveying the fiber net layer to the middle of two woven fabric layers arranged up and down, and performing stitch-bonding compounding on the fiber net layer through carbon fiber filaments to obtain a base fabric layer;
and step three, coating PVC coatings on the upper side surface and the lower side surface of the base cloth layer to obtain the PVC covering cloth.
And in the second step, the weft yarns of the woven fabric layer are core-spun yarns formed by mixing carbon fibers serving as skins and nylon filaments serving as cores, and the use ratio of the carbon fiber yarns to the nylon fiber yarns is 1: 1, the mixing weight percentage is 40%: 60 percent, the fineness of the carbon fiber is 4D, and the length is 51 mm; the fineness of the nylon fiber is 2D, and the length of the nylon fiber is 51 mm; the warp yarn of the woven fabric is spun by nylon hollow fiber and terylene hollow fiber.
The PVC coating in the third step is prepared from the following raw materials in parts by weight: 75 parts of PVC resin; 10 parts of vinyl chloride copolymer; 3 parts of a stabilizer; 3 parts of an adhesive; 2 parts of a flame retardant; 0.4 part of pigment.
Comparative example five
The production method of the PVC covering cloth in the comparative example comprises the following specific steps:
step one, opening, mixing and carding 40 wt% of polyester fibers with the specification of 3D × 51mm and 60 wt% of polyester fibers with the specification of 1.5D × 51mm to form a web layer;
conveying the fiber net layer to the middle of two woven fabric layers arranged up and down, and performing stitch-bonding compounding on the fiber net layer through carbon fiber filaments to obtain a base fabric layer;
and step three, coating PVC coatings on the upper side surface and the lower side surface of the base cloth layer to obtain the PVC covering cloth.
And in the second step, the weft yarns of the woven fabric layer are core-spun yarns formed by mixing carbon fibers serving as skins and nylon filaments serving as cores, and the use ratio of the carbon fiber yarns to the nylon fiber yarns is 1: 1, the mixing weight percentage is 40%: 60 percent, the fineness of the carbon fiber is 4D, and the length is 51 mm; the fineness of the nylon fiber is 2D, and the length of the nylon fiber is 51 mm; the warp yarn of the woven fabric is spun by nylon hollow fiber and terylene hollow fiber.
The PVC coating in the third step is prepared from the following raw materials in parts by weight: 75 parts of PVC resin; 70 parts of a plasticizer DBP; 3 parts of a stabilizer; 3 parts of an adhesive; 2 parts of a flame retardant; 0.4 part of pigment.
The PVC covering cloth prepared by the four groups of examples and the five groups of comparative examples is respectively subjected to wear resistance and folding resistance tests of the PVC covering cloth at normal temperature and 5-10 ℃, wherein the folding resistance test is to fold the test surface of the PVC artificial leather sample inwards, enable the two long sides to be combined together, clamp the folded sample, enable the folded sample to vertically extend and install the sample into a clamp holder. The deflection angle of the clamper is (22.5 +/-0.5) °, the deflection frequency is (100 +/-5) times/min, the automatic stop is carried out after the experiment is finished after 50000 times of deflection, and the sample is taken out for inspection; the abrasion resistance test is the cloth cover effect after 50000 times of abrasion by adopting a Martindale method, and the specific results are shown in tables 1 and 2:
table 1 PVC tarpaulins test results for each set of examples and comparative examples at room temperature
Figure BDA0002992435430000141
Figure BDA0002992435430000151
Table 25-10 ℃ test results of PVC tarpaulin prepared by each group of examples and comparative examples
Wear resistance Folding endurance
Example one Slight damage to cloth surface The crease is not obvious
Example two Slight damage to cloth surface The crease is not obvious
EXAMPLE III Slight damage to cloth surface The crease is not obvious
Example four Slight damage to cloth surface The crease is not obvious
Comparative example 1 Serious damage to cloth surface With folds
Comparative example No. two Cloth cover damage is serious With folds
Comparative example No. three Serious damage to cloth surface Severe crease
Comparative example No. four Slight damage to cloth surface With folds
Comparative example five Cloth cover damage is serious With folds
As can be seen from tables 1 and 2, the folding resistance and the wear resistance of the PVC tarpaulin in a low temperature environment are improved by the production method in the examples, so that the PVC tarpaulin has a longer service life.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The low-temperature-resistant PVC covering cloth is characterized by comprising a base cloth layer and PVC coatings coated on the upper side surface and the lower side surface of the base cloth layer, wherein the base cloth layer is formed by stitching an upper woven fabric layer and a lower woven fabric layer through carbon fiber filaments.
2. The low temperature PVC tarpaulin of claim 1, wherein the woven fabric weft yarn is all or partially yarn containing carbon fiber.
3. The low temperature resistant PVC tarpaulin of claim 2, wherein the weft yarn is a yarn containing carbon fiber, another part is nylon yarn, and the ratio of the two yarns is 1: 1 or 1: 2 or 1: 3.
4. the low temperature resistant PVC tarpaulin of claim 2, wherein the weft yarn is all or partially a core spun yarn of carbon fiber and nylon filament, wherein the carbon fiber is sheath and the nylon filament is core.
5. The low temperature resistant PVC tarpaulin of claim 2, wherein the weft yarn is wholly or partially a yarn blended by carbon fiber and nylon fiber, wherein the weight percentage of the mixture of the carbon fiber and the nylon fiber is (30-50%): (50-70%).
6. The low-temperature-resistant PVC tarpaulin according to claim 5, wherein the carbon fibers have a fineness of 2.5-6D and a length of 51 mm; the fineness of the nylon fiber is 1.5-2.5D, and the length of the nylon fiber is 51 mm.
7. The low temperature resistant PVC tarpaulin of claim 1, wherein the woven fabric warp is spun by one or two of nylon fiber, polyester fiber, polypropylene fiber or acrylic fiber, and at least one of the fibers is hollow fiber.
8. The production method of the low-temperature-resistant PVC covering cloth is characterized by comprising the following steps of:
step one, opening, mixing and carding 30-50 wt% of polyester fibers with the specification of 3D × 51mm and 50-70 wt% of polyester fibers with the specification of 1.5D × 51mm to form a web layer;
conveying the fiber net layer to the middle of two woven fabric layers arranged up and down, and performing stitch-bonding compounding on the fiber net layer through carbon fiber filaments to obtain a base fabric layer;
and step three, coating PVC coatings on the upper side surface and the lower side surface of the base cloth layer to obtain the required low-temperature-resistant PVC covering cloth.
9. The method of claim 8, wherein the PVC coating is prepared from the following raw materials in parts by weight:
Figure FDA0002992435420000021
10. the method of claim 9, wherein the vinyl chloride copolymer is prepared by the following steps: putting 70-90 wt% of vinyl chloride, 10-30 wt% of butyl linoleate, 0.3-1 wt% of sodium dodecyl sulfate and 0.3-1 wt% of potassium persulfate into a reaction kettle, controlling the temperature to be 45-60 ℃, and stirring for 4-6 hours to obtain the required vinyl chloride copolymer.
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1064905A (en) * 1991-03-18 1992-09-30 胡伯康 The dyeing and finishing method of many anti-(waterproof, fire-retardant, anticorrosion, antistatic etc.) fabric
CN107059416A (en) * 2017-05-03 2017-08-18 天鼎丰非织造布有限公司 Using composite short fiber non-woven fabrics as the tarpaulin of base fabric and its production method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1064905A (en) * 1991-03-18 1992-09-30 胡伯康 The dyeing and finishing method of many anti-(waterproof, fire-retardant, anticorrosion, antistatic etc.) fabric
CN107059416A (en) * 2017-05-03 2017-08-18 天鼎丰非织造布有限公司 Using composite short fiber non-woven fabrics as the tarpaulin of base fabric and its production method

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