CN107354762B - Coating cloth for bedding and preparation method thereof - Google Patents
Coating cloth for bedding and preparation method thereof Download PDFInfo
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- CN107354762B CN107354762B CN201710617892.3A CN201710617892A CN107354762B CN 107354762 B CN107354762 B CN 107354762B CN 201710617892 A CN201710617892 A CN 201710617892A CN 107354762 B CN107354762 B CN 107354762B
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—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 otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—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 otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
- D06N3/145—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 otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes two or more layers of polyurethanes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0059—Organic ingredients with special effects, e.g. oil- or water-repellent, antimicrobial, flame-resistant, magnetic, bactericidal, odour-influencing agents; perfumes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0061—Organic fillers or organic fibrous fillers, e.g. ground leather waste, wood bark, cork powder, vegetable flour; Other organic compounding ingredients; Post-treatment with organic compounds
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0065—Organic pigments, e.g. dyes, brighteners
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
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- 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
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0095—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by inversion technique; by transfer processes
- D06N3/0097—Release surface, e.g. separation sheets; Silicone papers
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- D06N2209/00—Properties of the materials
- D06N2209/06—Properties of the materials having thermal properties
- D06N2209/067—Flame resistant, fire resistant
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- D06N2209/00—Properties of the materials
- D06N2209/08—Properties of the materials having optical properties
- D06N2209/0807—Coloured
- D06N2209/0823—Coloured within the layer by addition of a colorant, e.g. pigments, dyes
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- D06N2209/00—Properties of the materials
- D06N2209/10—Properties of the materials having mechanical properties
- D06N2209/103—Resistant to mechanical forces, e.g. shock, impact, puncture, flexion, shear, compression, tear
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Abstract
The invention relates to a coating cloth for bedding and a preparation method thereof, comprising a cloth (1) and a coating layerThe coating is sequentially formed by a fabric coating
(21) Fabric coating
(22) And fabric coating
(23) Composition is carried out; the fabric coating
(23) Is an adhesive layer; the fabric coating
(22) Is a flame retardant coating layer. The preparation method comprises the following steps: s1 manufacturing fabric coating
(21) The coating of (2); s2 manufacturing fabric coating
(22) The coating of (2); s3 manufacturing fabric coating
(23) The coating of (2); s4 pretreatment of release paper; s5 coating preparation; s6 sticking cloth; s7 ripening. The invention has the advantages of good flame retardant property, difficult shedding of the coating, low cost and industrialization suitability.
Description
Technical Field
The invention relates to the technical field of manufacturing of coating fabrics, in particular to a coating cloth for bedding and a preparation method thereof.
Background
At present, with the rapid development of the fabric technology industry, the canny cloth is widely applied to various fields of clothing, bags, automobiles and the like. The galois cloth belongs to knitted fabric, and because of excellent drapability, safety and comfortableness, the galois cloth is widely used in backpacks, mouse pads, wall calendars, calligraphy and painting and the like at present, and is also used for fitting various composite materials to be made into diving suit fabric with good waterproofness and breathability, sport protective clothing fabric, outdoor riding clothing fabric, mountaineering clothing fabric and the like.
The most popular advantages of the Jia Yibu are as follows: one, rich fibers, accurate and error-free ratio, excellent drapability. The PU resin has a proper specific gravity (1.5), so that it can be mixed with many natural fibers. Secondly, the safety is realized, the Yifang cloth is hundred percent of PU resin, the novel process is adopted, the PU resin can be easily decomposed by bacteria in soil and water, the environment is protected, and the damage to the natural environment is avoided. And the harmful gas is not generated naturally when the gas is burnt. And thirdly, the comfort is realized, and due to the comfort of the high-quality cloth, people can not feel uncomfortable after contacting for a long time, so that the comfortable touch is very suitable for the touch of skin. Good fabric comfort is as good as the process is mainly that polyester has a low legal moisture content (0.4%) and feels cool to the touch. The effective accumulated cloth has the characteristics of high water content (11%) and good touch feeling due to the fact that the cloth has a warm and cold touch feeling. In addition, compared with the common fiber lining cloth, the lining cloth made of PU resin has good anti-pollution effect, can be free from washing and has good soft and smooth touch. Therefore, the good long-life cloth has good comfort. That is, these unique advantages make the canyon have its application in many non-apparel items.
In the prior art, the good long-life cloth is inflammable, has high burning speed in case of fire and is not suitable for close-fitting or near-body use. Secondly, the coating which is generally used by the fine cloth is coated in the using process, the coating is generally made of polymer materials such as resin and the like, the functionality is single, and the coating obtained by coating is easy to fall off, so that the fine cloth of the coating is easy to damage, the using time is short, and the utilization rate is not high.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a coating cloth for bedding and a preparation method thereof, and solves the problems of inflammability of fabrics and easiness in falling of coatings.
The purpose of the invention is realized by the following technical scheme:
a coating cloth for bedding comprises a cloth and a coating, wherein the coating sequentially comprises a fabric coating I, a fabric coating II and a fabric coating III; the fabric coating III is an adhesive layer; the fabric coating II is a flame-retardant coating layer.
The coating of jia ji bu is three-layer construction, and the resin that each layer used is the PU resin, has good compatibility between the three-layer coating, and the physical properties of three-layer coating are very similar, produce the same deformation volume under the circumstances such as bending, drawing, can not lead to a certain layer coating to damage alone, and three-layer coating makes the physical strength of coating far away from the individual layer coating, prolongs the life of coating.
PU Resin (Polyurethane Resin) is used as a high polymer material with the characteristics of high strength, tear resistance, wear resistance and the like, and is widely applied to the fields of daily life, industrial and agricultural production, medicine and the like.
Further, the coating of the fabric coating I comprises the following components:
90 parts by weight of PU resin;
6-9 parts of viscose;
0.6 to 0.8 weight portion of stripping agent;
the stripping agent is polyether.
The fabric coating I and the fabric coating II have better bonding effect by adding part of viscose fibers into the components of the coating of the fabric coating I, so that the condition that the fabric coating I falls off is avoided; and a part of stripping agent is added, so that the fabric coating I and the release paper are easier to strip, the stripping effect of the polyether is good, the influence on the functional components of the fabric coating I is small, and the aging deformation of the resin cannot be caused.
Further, the coating of the fabric coating II consists of the following components:
the coupling agent is a silane coupling agent; the flame retardant is at least one of ammonium dihydrogen phosphate and melamine phosphate.
The flame retardant coating has the advantages of low cost, high safety performance and industrialization suitability; adding part of the coupling agent to couple the fabric coating II with the fabric coating III and the PU resin in the fabric coating I, wherein the silane coupling agent has good safety performance and improves the processing performance of the coating; the coating cloth has good flame retardant effect by adding part of flame retardant, the flame retardant is selected from nitrogen and phosphorus, the good flame retardant effect is achieved by using the minimum dosage, the flame retardant is added in the middle coating, the flame retardant is prevented from directly contacting the outside, and the safety performance is enhanced.
Further, the preferable formula of the coating of the fabric coating II consists of the following components:
the coupling agent is a silane coupling agent; the flame retardant is prepared by mixing ammonium dihydrogen phosphate and melamine phosphate in equal proportion.
The coating laminated cloth obtained by mixing the inorganic flame retardant and the organic flame retardant in equal proportion has the advantages of optimal flame retardant effect and minimum dosage.
Further, the coating of the fabric coating III consists of the following components:
the adhesive is epoxy resin; the dispersant is aliphatic polyamide; the bacteriostatic agent is silver, and the silver is prepared into 0.01-0.05 mm powder.
Part of color paste is added into the coating of the fabric coating III to ensure that the coating has different chromaticities, so that the color of the coating is diversified; the adhesive is added partially to enhance the bonding effect between the coatings, so that the coatings are not easy to fall off, and the fabric coating III has a better dispersing effect and increased uniformity and is more uniformly bonded with the surface coating of the denim by adding partial dispersing agent and diluent.
A preparation method of a coating cloth for bedding comprises the following steps:
s1, preparing a coating of the fabric coating I: mixing and heating PU resin, viscose fiber and a stripping agent to 190 ℃ at 180 ℃, stirring for 1-2 h at 400r/min, standing, defoaming and cooling for later use;
s2, preparing a coating of the fabric coating II: mixing and heating PU, glass fiber, coupling agent and flame retardant to 180 ℃ at 170 ℃, stirring for 2.0-2.5 h at 400r/min, standing, defoaming and cooling for later use;
s3, preparing a coating of the fabric coating III: mixing and heating PU resin, color paste, diluent, dispersant and adhesive to 185-190 ℃, stirring for 1.5-2.0 h at 400r/min, standing, defoaming and cooling for later use;
s4 pretreatment of release paper: putting the release paper into a release paper unreeling machine for unreeling, and putting the release paper into an oven I at the temperature of 60-65 ℃ at a rate of 10-15 m/min, and preheating for 10-15 min for later use;
preparation of S5 coating: the release paper in the step S4 is transported to a coating table I, the coating of the fabric coating I in the step S1 is uniformly coated on the surface of the release paper, and the release paper is dried in an oven II at the temperature of 110-; then transporting to a coating platform II, uniformly coating the coating of the fabric coating II in the step S2 on the fabric coating I, and drying in an oven III at 110-130 ℃ for 45-60 min; finally, transporting to a coating platform III, uniformly coating the coating of the fabric coating III in the step S3 on the fabric coating II, and drying in an oven IV at the temperature of 110 and 130 ℃ for 10-15 min for later use;
s6 sticking cloth: attaching the cloth to the fabric coating III, and drying in an oven V at the temperature of 130-;
s7 curing: and (4) curing the coating in the step S6 in a curing chamber at the temperature of 80-85 ℃ for 50-60 h, and separating and packaging to obtain a finished product.
The manufacturing process has lower requirements on temperature and process equipment, the industrialization degree is high, and most of the manufacturing process is an oven and a coating platform; the use temperature of the oven is the same, the oven can be reused when the process flow is designed, the equipment cost is saved, and the low cost and the low energy consumption are achieved as much as possible.
Further, the thickness of the coating in the step S5 is 130-140 g/y.
The invention has the beneficial effects that:
1. the coating of the Jiaji cloth is of a three-layer structure, the resin used in each layer is PU resin, the three layers of coatings have good compatibility, the physical properties of the three layers of coatings are very similar, the same deformation is generated under the conditions of bending, stretching and the like, a certain layer of coating cannot be damaged independently, the physical strength of the coating is far higher than that of a single-layer coating due to the three layers of coatings, and the service life of the coating is prolonged; the three coatings have good skin-friendly performance;
2. the fabric coating I and the fabric coating II have better bonding effect by adding part of viscose fibers into the components of the coating of the fabric coating I, so that the condition that the fabric coating I falls off is avoided; the addition of part of the stripping agent makes the final fabric coating I and the release paper easier to strip, the stripping effect of the polyether is good, the influence on the functional components of the fabric coating I is small, and the aging deformation of the resin cannot be caused;
3. the flame retardant coating has the advantages of low cost, high safety performance and industrialization suitability; adding part of the coupling agent to couple the fabric coating II with the fabric coating III and the PU resin in the fabric coating I, wherein the silane coupling agent has good safety performance and improves the processing performance of the coating; the coating cloth has good flame retardant effect by adding part of flame retardant, the flame retardant is selected from nitrogen and phosphorus, the good flame retardant effect is achieved by using the minimum dosage, the flame retardant is added in the middle coating, the flame retardant is prevented from directly contacting the outside, and the safety performance is enhanced;
4. part of color paste is added into the coating of the fabric coating III to ensure that the coating has different chromaticities, so that the color of the coating is diversified; the adhesive is added partially to enhance the bonding effect between the coatings, so that the coatings are not easy to fall off, and the fabric coating III has a better dispersing effect and increased uniformity and is bonded with the surface of the fine cloth more uniformly by adding a part of dispersing agent and diluent; the bacteriostatic agent is added, so that the fabric coating III has better bacteriostatic effect and mildew-proof effect, and has very good inhibitory effect on aspergillus niger, staphylococcus and trichoderma;
5. the manufacturing process has lower requirements on temperature and process equipment, the industrialization degree is high, and most of the manufacturing process is an oven and a coating platform; the use temperature of the oven is the same, the oven can be reused when the process flow is designed, the equipment cost is saved, and the low cost and the low energy consumption are achieved as much as possible.
Drawings
FIG. 1 is a flow chart of a fabrication process;
FIG. 2 is a schematic view of a coated denim structure;
in the figure:
1-Jiajibu;
21-fabric coating I, 22-fabric coating II, 23-fabric coating III.
Detailed Description
The technical solution of the present invention is further described in detail with reference to the following specific examples, but the scope of the present invention is not limited to the following.
A coating Jiaji cloth for bedding comprises a Jiaji cloth 1 and a coating, wherein the coating sequentially consists of a fabric coating I21, a fabric coating II 22 and a fabric coating III 23; the fabric coating III 23 is an adhesive layer; the fabric coating II 22 is a flame retardant coating layer.
In order to more clearly describe the invention, the following examples are specifically given, and the raw materials and the mixture ratio of each example are shown in table 1:
TABLE 1
Examples 1 to 4 are the good fabrics prepared by the technical scheme of the invention, examples 5 to 6 are comparative tests, and do not contain flame retardant, example 5 does not contain viscose fiber, example 6 does not contain coupling agent, and example 7 does not contain bacteriostatic agent.
A preparation method of a coating cloth for bedding is characterized by comprising the following steps:
s1 preparing a coating of the fabric coating I21: mixing and heating PU resin, viscose fiber and a stripping agent to 190 ℃ at 180 ℃, stirring for 1-2 h at 400r/min, standing, defoaming and cooling for later use;
s2 preparing a coating of the fabric coating II 22: mixing and heating PU resin, glass fiber, coupling agent and flame retardant to 180 ℃ at 170 ℃, stirring for 2.0-2.5 h at 400r/min, standing, defoaming and cooling for later use;
s3 preparing a coating of the fabric coating III 23: mixing and heating PU resin, color paste, diluent, dispersant and adhesive to 185-190 ℃, stirring for 1.5-2.0 h at 400r/min, standing, defoaming and cooling for later use;
s4 pretreatment of release paper: putting the release paper into a release paper unreeling machine for unreeling, and putting the release paper into an oven I at the temperature of 60-65 ℃ at a rate of 10-15 m/min, and preheating for 10-15 min for later use;
preparation of S5 coating: the release paper in the step S4 is transported to a coating table I, the coating of the fabric coating I21 in the step S1 is uniformly coated on the surface of the release paper, and the release paper is dried in an oven II at the temperature of 110-; then transporting to a coating platform II, uniformly coating the coating of the fabric coating II 22 in the step S2 on the fabric coating I21, and drying in an oven III at 110-130 ℃ for 45-60 min; finally, transporting to a coating platform III, uniformly coating the coating of the fabric coating III 23 in the step S3 on the fabric coating II 22, and drying in an oven IV at 110-130 ℃ for 10-15 min for later use;
s6 sticking cloth: attaching the cloth 1 to the fabric coating III 23, and drying in an oven V at the temperature of 130-;
s7 curing: and (4) curing the coating in the step S6 in a curing chamber at the temperature of 80-85 ℃ for 50-60 h, and separating and packaging to obtain a finished product.
Specifically, the thickness of the coating in the step S5 is 130-140 g/y.
The preparation process of the coating canopies for each example is shown in table 2 as follows:
TABLE 2
The coated canopies of the examples were subjected to fire protection test class 3 in ISO14116, with the test results shown in table 3:
TABLE 3
Wherein, the ignition time is: 10 seconds; y: is that; n: if not;
grade:
level 1:
does not allow flame or cave-like damage to propagate to the topmost or vertical edges
Does not allow burning or melting dripping of the sample
Smoldering of the sample is not allowed to propagate from the carbonized region to the undamaged region.
And 2, stage:
does not allow flame to spread to the topmost or vertical edges
Does not allow burning or melting dripping of the sample
The sample is not allowed to smolder from the carbonized region to the undamaged region
No hole-like breakage of the sample is allowed.
And 3, level:
does not allow flame to spread to the topmost or vertical edges
Does not allow burning or melting dripping of the sample
Smoldering of the sample is not allowed to propagate from the carbonized region to the undamaged region.
No hole-like breakage of the sample is allowed.
The afterflame time cannot exceed 2 seconds.
From the above table data, it can be found that the flame retardant effect of the examples 4 and 7 is good, wherein the flame retardant effect of the example 4 is better than that of the examples 1 to 3; wherein the coating canopies of examples 5-6 have no flame retardant effect.
The good coated fabrics of the examples were subjected to physical and chemical property tests, and the test results are shown in table 4:
TABLE 4
The above physical property tests of examples 1 to 7 showed that the coatings of examples 1 to 4 and 7 had strong adhesion, were not easily deformed and were not easily peeled off.
The coated denim of the example was tested for bacteriostatic and skin-friendly properties, and the test results are shown in table 5:
TABLE 5
As can be seen from the results in table 5, the silver powder added in examples 1 to 7 has 100% inhibitory effect on aspergillus niger, trichoderma and staphylococcus, and has good skin-friendly performance and bacteriostatic and mildewproof effects.
The coated scrim of the examples was subjected to hydrostatic testing, the results of which are shown in table 6:
as can be seen from the results in Table 6, the hydrostatic pressure test water column heights of examples 1 to 7 are all larger than or equal to 5000mm, which indicates that the waterproof effect of the fabric is good.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (2)
1. A coating Jiaji cloth for bedding comprises a Jiaji cloth (1) and a coating, and is characterized in that the coating sequentially comprises a fabric coating I, a fabric coating II and a fabric coating III; the fabric coating III is an adhesive layer; the fabric coating II is a flame-retardant coating layer;
the coating of the fabric coating I comprises the following components:
90 parts by weight of PU resin;
6-9 parts of viscose;
0.6 to 0.8 weight portion of stripping agent;
the stripping agent is polyether;
the coating of the fabric coating II comprises the following components:
90 parts by weight of PU resin;
4-6 parts of glass fiber;
1-2 parts of a coupling agent;
5-6 parts of a flame retardant;
the coupling agent is a silane coupling agent; the flame retardant is at least one of ammonium dihydrogen phosphate and melamine phosphate;
the coating of the fabric coating III consists of the following components:
90 parts by weight of PU resin;
0-20 parts of color paste;
5-8 parts of diluent;
8-10 parts of adhesive;
0.3 to 0.4 part by weight of a dispersant;
0.01-0.05 part by weight of bacteriostatic agent;
the adhesive is epoxy resin; the dispersant is aliphatic polyamide; the bacteriostatic agent is silver.
2. The coating canopies for bedding as claimed in claim 1, wherein the coating of the fabric coating II comprises the following components:
90 parts by weight of PU resin;
5 parts of glass fiber;
2 parts of a coupling agent;
5 parts of a flame retardant;
the coupling agent is a silane coupling agent; the flame retardant is prepared by mixing ammonium dihydrogen phosphate and melamine phosphate in equal proportion.
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