CN109137550B - Manufacturing process of PU coating fabric with high water pressure resistance and high tearing resistance - Google Patents
Manufacturing process of PU coating fabric with high water pressure resistance and high tearing resistance Download PDFInfo
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- CN109137550B CN109137550B CN201810948712.4A CN201810948712A CN109137550B CN 109137550 B CN109137550 B CN 109137550B CN 201810948712 A CN201810948712 A CN 201810948712A CN 109137550 B CN109137550 B CN 109137550B
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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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
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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
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0006—Artificial 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 woven fabrics
-
- 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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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/39—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using acid dyes
-
- 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
- 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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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a manufacturing process of a PU coating fabric with high water pressure resistance and high tearing resistance, which mainly comprises the following steps: 1) carrying out dyeing and water splashing and shaping treatment; 2) press polishing treatment before gluing; 3) priming treatment of the aqueous PU resin: carrying out water-based PU resin coating on a calender surface, and then carrying out incomplete curing and drying treatment; 4) two-knife solvent-based PU resin treatment: and sequentially coating a solvent type PU resin primer layer and a solvent type PU resin surface adhesive layer on the water-based PU resin coating surface, and drying and curing. The present case adopts and is bottoming with waterborne PU resin earlier, is assisted with two sword solvent type PU resin coatings again, reaches high resistant water pressure and high effect of tearing, can effectually improve the tradition because the coating seriously descends to tear, and the water pressure is higher to tear the problem that the decline is more severe. The process technology can be applied to the production of products such as outdoor jacket, tent fabric and the like with high tearing and high water pressure resistance requirements.
Description
Technical Field
The invention relates to a fabric manufacturing process technology, in particular to a manufacturing process of a PU coating fabric with high water pressure resistance and high tearing resistance.
Background
At present, due to the popularity of outdoor sports, consumers are eagerly expecting that the performance of the sports fabric can be effectively improved. The PU coating fabric is popular with consumers due to the excellent performance and price. However, the bottleneck encountered by the current PU resin coating is that the higher the water pressure resistance of the fabric is, the higher the resin coating amount is, and the more the sizing material penetrates into the gaps of the fabric, thereby causing serious reduction of tearing. If a tearing promoter is added during the pouring of water in an intrusive manner in order to pursue an increase in the tear of the base fabric, poor adhesion of the glue to the fabric will eventually result. Therefore, the performance of the two is not fully balanced.
In view of the above, the present inventors have made intensive studies on the above problems and have provided a process for producing a PU coated fabric having high water pressure resistance and high tear strength, and have resulted in the present invention.
Disclosure of Invention
The invention aims to provide a manufacturing process of a PU coating fabric with high water pressure resistance and high tearing resistance, overcomes the defects, can give consideration to both the water pressure resistance and the tearing resistance, and achieves a higher water pressure resistance effect on the premise of keeping high tearing resistance.
In order to achieve the above purpose, the solution of the invention is:
a manufacturing process of a PU coating fabric with high water pressure resistance and high tearing resistance mainly comprises the following steps:
1) carrying out dyeing and water splashing and shaping treatment;
2) press polishing treatment before gluing;
3) priming treatment of the aqueous PU resin: carrying out water-based PU resin coating on the calender surface of the dyed cloth, and then carrying out incomplete ripening and drying treatment;
4) two-knife solvent-based PU resin treatment: and sequentially coating a solvent type PU resin primer layer and a solvent type PU resin surface adhesive layer on the water-based PU resin coating surface, and drying and curing.
In the step 3), the aqueous PU resin coating consists of the following components in parts by mass: 100 parts of waterborne PU resin, 1-3 parts of bridging agent, 10-15 parts of tearing promoting agent and water; the amount of water is based on the viscosity of the gum, which is 15000 cps.
And 3) in the step, carrying out incomplete ripening and drying treatment, wherein four sections of drying ovens are arranged, and the temperature is sequentially set as follows: 80 ℃, 100 ℃, 120 ℃ and 140 ℃.
In the step 3), the coating weight of the aqueous PU resin coating is 13-15G/Y.
In the step 4), the solvent type PU resin primer layer consists of the following components in parts by mass: 100 parts of two-liquid polyurethane resin, 1.5-2.5 parts of bridging agent, 0.75-1.25 parts of bridging accelerator and 8-12 parts of MEK solvent.
In the step 4), the solvent type PU resin surface glue layer consists of the following components in parts by mass: 100 parts of one-liquid polyurethane resin, 35-40 parts of TOL solvent and 1.5-2.5 parts of dry agent.
And 4) in the step, drying treatment of the solvent type PU resin primer layer is provided with three drying ovens, and the temperature is sequentially set as follows: 80 ℃, 100 ℃ and 120 ℃; the drying treatment of solvent type PU resin surface glue layer sets up four sections ovens, and the temperature sets gradually: 100 ℃, 120 ℃, 150 ℃ and 160 ℃.
In the step 4), the wet glue coating weight of the solvent type PU resin primer layer is 100-110G/Y, and the wet glue coating weight of the solvent type PU resin surface glue layer is 80-90G/Y.
Dyeing is carried out before the step 1), blank 70D and 190T semi-gloss nylon taffeta plain weave fabrics are thrown, cloth preparation and desizing are carried out firstly, and a 7-groove tightening type continuous desizing machine is adopted for desizing; then performing BEAM dyeing, wherein the concrete process comprises the steps of adding an auxiliary agent and an acid dye at normal temperature, raising the temperature rise curve to 70 ℃ at the temperature of 0.5 ℃/min, controlling the pH value to be 7.0 by acid, keeping the temperature for 20min, raising the temperature to 90 ℃ at the temperature of 0.5 ℃/min, keeping the temperature for 20min, raising the temperature to 100 ℃ at the temperature of 0.5 ℃/min, and keeping the temperature for 30 min; then discharging liquid, washing with water at normal temperature for 4min and discharging liquid; and finally, fixing color, dehydrating and drying.
In the step 1), dyeing and water splashing and shaping treatment are carried out, wherein the water splashing formula comprises the following steps: the volume of the total solution is added in 50L, 30L of water is added firstly, 30-40G/L of IPA penetrant, 4-8G/L of softener and 15-20G/L of water-sprinkling agent are added firstly; sequentially adding the above water-repellent agents at constant speed, slowly stirring, adding water to total volume of 50L, and stirring.
After the scheme is adopted, the manufacturing process of the PU coating fabric with high water pressure resistance and high tearing resistance has the beneficial effects that compared with the prior art: the manufacturing process of the PU coating fabric is mainly characterized in that a coating mode is that firstly water-based PU resin is used for priming, then two-blade solvent-based PU resin coating is used for assisting, the characteristic that the water-based PU resin has small permeability to the fabric is utilized, the water-based PU resin is used as the coating priming setting, and then the two-blade solvent-based PU resin is matched, so that the high water pressure resistance and high tearing effect are achieved, and the problems that the traditional fabric is seriously torn due to the coating, and the tearing is more seriously reduced when the water pressure is higher can be effectively solved. The process technology can be applied to the production of products such as outdoor jacket, tent fabric and the like with high tearing and high water pressure resistance requirements.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
The scheme relates to a manufacturing process of a PU coating fabric with high water pressure resistance and high tearing resistance, which mainly comprises the following steps:
1) carrying out dyeing and water splashing and shaping treatment;
2) press polishing treatment before gluing;
3) priming treatment of the aqueous PU resin: carrying out water-based PU resin coating on a calender surface, and then carrying out incomplete curing and drying treatment;
4) two-knife solvent-based PU resin treatment: and sequentially coating a solvent type PU resin primer layer and a solvent type PU resin surface adhesive layer on the water-based PU resin coating surface, and drying and curing.
The PU coating fabric manufacturing process is mainly characterized by comprising the steps of 3) and 4) and achieving the performance of high water pressure resistance and high tearing resistance of the fabric through the innovative design of the PU resin coating matched with the steps, namely the coating is designed by firstly priming with the water-based PU resin, utilizing the characteristic that the water-based PU resin has small permeability to the fabric, using the water-based PU resin as the coating priming setting and then assisting with the two-blade solvent-based PU resin coating, so that the prepared PU coating fabric can overcome the problem that the water pressure resistance and the tearing performance cannot be considered in the traditional technology, and achieves the effects of high water pressure resistance and high tearing resistance.
Preferably, in the step 3), the aqueous PU resin coating consists of the following components in parts by mass: 100 parts of water-based PU resin, 1-3 parts of bridging agent, 10-15 parts of tearing promoter and water. Wherein the amount of water is based on the viscosity of the glue, wherein the viscosity of the glue is 15000 cps.
Preferably, in the step 3), incomplete curing and drying treatment is performed, specifically, four sections of ovens are arranged, and the temperatures are sequentially set as follows: 80 ℃, 100 ℃, 120 ℃ and 140 ℃. And (4) incomplete curing and drying treatment are favorable for being bonded with the solvent type PU resin coating in the step 4), the bonding performance is improved, the excellent physical property of the fabric is ensured, and meanwhile, the high water pressure resistance and the high tearing resistance are realized.
Preferably, in the step 3), the coating amount of the aqueous PU resin coating is 13-15G/Y (G/Y refers to the gram weight value of the sizing coated per 1 yards). Selecting a knife type: 0.5R, speed: 40M/MIN.
Preferably, in the step 4), the solvent type PU resin primer layer consists of the following components in parts by mass: 100 parts of two-liquid polyurethane resin, 1.5-2.5 parts of bridging agent, 0.75-1.25 parts of bridging accelerator and 8-12 parts of MEK solvent. The solvent type PU resin surface glue layer comprises the following components in parts by mass: 100 parts of one-liquid polyurethane resin, 35-40 parts of TOL solvent and 1.5-2.5 parts of dry agent.
Preferably, in the step 4), the drying treatment of the solvent type PU resin primer layer is provided with three drying ovens, and the temperatures are sequentially set as follows: 80 ℃, 100 ℃ and 120 ℃; the drying treatment of solvent type PU resin surface glue layer sets up four sections ovens, and the temperature sets gradually: 100 ℃, 120 ℃, 150 ℃ and 160 ℃.
Preferably, in the step 4), the wet glue coating amount of the solvent type PU resin primer layer is 100-110G/Y, and the wet glue coating amount of the solvent type PU resin surface glue layer is 80-90G/Y.
Preferably, the dyeing treatment is carried out before the step 1), the tabby fabric of 70D and 190T semi-gloss nylon taffeta is put into the tabby fabric, the fabric is firstly mixed with the fabric for desizing, a 7-slot compact continuous desizing machine is adopted for desizing, and then BEAM dyeing is carried out, wherein the specific process comprises the steps of adding the auxiliary agent and the acid dye at normal temperature, raising the temperature curve to 70 ℃ at a temperature of 0.5 ℃/min, controlling the pH to be 7.0 by acid, keeping the temperature for 20min, raising the temperature to 90 ℃ at constant temperature for 20min, raising the temperature to 100 ℃ at a temperature of 0.5 ℃/min, and keeping the temperature for 30 min; then discharging liquid, washing with water at normal temperature for 4min and discharging liquid; and finally, fixing color, dehydrating and drying.
Preferably, in the step 1), the dyeing is performed by water splashing and shaping treatment, and the water splashing formula is as follows:
the volume of the total solution is added in 50L, 30L of water is added firstly, 30-40G/L of IPA penetrant, 4-8G/L of softener and 15-20G/L of water-sprinkling agent are added firstly; sequentially adding the above water-repellent agents at constant speed, slowly stirring, adding water to total volume of 50L, and stirring.
In a specific preferred embodiment, the process for manufacturing the PU coating fabric with high water pressure resistance and high tearing resistance comprises the following process steps:
1. blank throwing
70D,190T semi-gloss nylon taffeta plain fabric;
2. dyeing process
Desizing, namely desizing by adopting a 7-groove compact continuous desizing machine;
then performing BEAM dyeing, wherein the concrete process comprises the steps of adding an auxiliary agent and an acid dye at normal temperature, raising the temperature rise curve to 70 ℃ at the temperature of 0.5 ℃/min, controlling the pH value to be 7.0 by acid, keeping the temperature for 20min, raising the temperature to 90 ℃ at the temperature of 0.5 ℃/min, keeping the temperature for 20min, raising the temperature to 100 ℃ at the temperature of 0.5 ℃/min, and keeping the temperature for 30 min; then discharging liquid, washing with water at normal temperature for 4min and discharging liquid; and fixing color, dehydrating and drying.
3. Water-splashing dyeing shaping treatment
Water is poured into the formula, the water is added from top to bottom at a constant speed according to the formula, and the mixture is slowly stirred;
water: 30L
IPA penetrant 40G/L
Softening agent: 12/L
Water splashing agent: 20G/L
Water: x (X is such that the total volume of the final solution is 50L)
The temperature of the setting machine is 160 ℃, the vehicle speed is 40M/min, the air quantity is 90 percent, and the overfeed is 3 percent.
Subsequent detection of water spillage
| Test items | Test method | Datum | Results | Determination |
| Degree of water splashing | ISO4920 | 3 | 4 | PASS |
4. Calendering treatment before gluing
And (3) calendering the rubberized surface, wherein the calendering process comprises the following steps: 140 ℃ 150N/MM 30M/MIN 2 lanes;
5. functional coating treatment
1) Acceptance criteria
| Item | Test method | Numerical value |
| Hydraulic pressure (MMH2O) | ISO811(60CM/MIN) | 10000 |
| Tear (N) | ISO13937.2 | 30 |
| Sliding (mm) | ISO13936.2(100N) | 3 |
| Washed appearance | ISO6330.4N times 10 | Without degumming |
| Adhesive strip | 490℃ | 0.7KG |
2) Coating process conditions
A. Priming with aqueous PU resin
B. Then using solvent type PU resin to operate one surface of the substrate
3. Detection of
| Test items | Test method | Content of test | Test value | Standard of merit | Determination |
| Tear (N) | ISO13937.2 | Warp/weft direction | 34.8/32.3 | 30 | PASS |
| Suture glide (MM) | ISO13936.2(100N) | Warp/weft direction | 1.1/1.3 | 3 | PASS |
| Hydraulic pressure (MMH2O) | ISO811(60CM/MIN) | Results | 13268 | 10000 | PASS |
| Washed appearance | ISO6330.4N times 10 | Results | Without degumming | Without degumming | PASS |
The coating fabric related to the invention is not limited by examples, and can be any chemical fiber woven fabric. Specific values of the functional high water pressure resistance and high tear related to the present invention are not limited by examples, and the water pressure resistance range is 10000 (ISO811) or more, and the tear is 3KG (ISO 13937.2).
The above-mentioned embodiments only express one embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that those skilled in the art should, without departing from the spirit of the invention, make equivalent changes and modifications to the scope of the claims of the invention.
Claims (6)
1. A manufacturing process of a PU coating fabric with high water pressure resistance and high tearing resistance is characterized by mainly comprising the following steps:
1) carrying out dyeing and water splashing and shaping treatment;
2) press polishing treatment before gluing;
3) priming treatment of the aqueous PU resin: carrying out water-based PU resin coating on a calender surface, and then carrying out incomplete curing and drying treatment;
the waterborne PU resin coating comprises the following components in parts by weight: 100 parts of waterborne PU resin, 1-3 parts of bridging agent, 10-15 parts of tearing promoting agent and water; the amount of water is added based on the viscosity of the glue, wherein the viscosity of the glue is 15000 cps; and (3) carrying out incomplete ripening and drying treatment, wherein the oven is provided with four sections, and the temperature is sequentially set as follows: 80 ℃, 100 ℃, 120 ℃ and 140 ℃;
4) two-knife solvent-based PU resin treatment: sequentially coating a solvent type PU resin primer layer and a solvent type PU resin surface adhesive layer on the water-based PU resin coating surface, and drying and curing the primer layer and the solvent type PU resin surface adhesive layer;
the solvent type PU resin primer layer comprises the following components in parts by mass: 100 parts of two-liquid type polyurethane resin, 1.5-2.5 parts of bridging agent, 0.75-1.25 parts of bridging accelerator and 8-12 parts of MEK solvent; the solvent type PU resin surface glue layer comprises the following components in parts by mass: 100 parts of one-liquid polyurethane resin, 35-40 parts of TOL solvent and 1.5-2.5 parts of dry agent.
2. The process for manufacturing the PU coated fabric with high water pressure resistance and high tearing strength according to claim 1, wherein in the step 3), the coating weight of the aqueous PU resin coating is 13-15G/Y.
3. The manufacturing process of the PU coating fabric with high water pressure resistance and high tearing strength according to claim 1, wherein in the step 4), the drying treatment of the solvent type PU resin primer layer is provided with three drying ovens, and the temperatures are sequentially set as follows: 80 ℃, 100 ℃ and 120 ℃; the drying treatment of solvent type PU resin surface glue layer sets up four sections ovens, and the temperature sets gradually: 100 ℃, 120 ℃, 150 ℃ and 160 ℃.
4. The process for manufacturing the PU coating fabric with high water pressure resistance and high tearing strength according to claim 1, wherein in the step 4), the wet glue coating weight of the solvent-based PU resin primer layer is 100-110G/Y, and the wet glue coating weight of the solvent-based PU resin surface adhesive layer is 80-90G/Y.
5. The manufacturing process of the PU coated fabric with high water resistance and high tearing strength according to claim 1, wherein the step 1) is further preceded by dyeing treatment, the blank 70D,190T semi-gloss nylon taffeta plain fabric is thrown, cloth preparation desizing is firstly carried out, a 7-slot compact continuous desizing machine is adopted for desizing, and then BEAM dyeing is carried out, the specific process is that an auxiliary agent and an acid dye are added at normal temperature, the temperature rise curve is 0.5 ℃/min to 70 ℃, the acid-controlled pH is 7.0, the temperature is kept for 20min, then 0.5 ℃/min is increased to 90 ℃, the temperature is kept for 20min, then 0.5 ℃/min is increased to 100 ℃, and the temperature is kept for 30 min; then discharging liquid, washing with water at normal temperature for 4min and discharging liquid; and finally, fixing color, dehydrating and drying.
6. The manufacturing process of the PU coating fabric with high water pressure resistance and high tearing strength according to claim 1, wherein in the step 1), the dyeing water-sprinkling shaping treatment is carried out, and the water-sprinkling formula comprises the following steps: the volume of the total solution is added in 50L, 30L of water is firstly added, 30-40g/L of IPA penetrating agent, 4-8g/L of softening agent and 15-20g/L of water splashing agent are firstly added; sequentially adding the above water-repellent agents at constant speed, slowly stirring, adding water to total volume of 50L, and stirring.
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| CN109137550A (en) | 2019-01-04 |
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