CN101956331B - Method for preparing waterproof moisture-penetrating coated fabric - Google Patents
Method for preparing waterproof moisture-penetrating coated fabric Download PDFInfo
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- CN101956331B CN101956331B CN2010102515273A CN201010251527A CN101956331B CN 101956331 B CN101956331 B CN 101956331B CN 2010102515273 A CN2010102515273 A CN 2010102515273A CN 201010251527 A CN201010251527 A CN 201010251527A CN 101956331 B CN101956331 B CN 101956331B
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Abstract
The invention relates to a method for preparing a waterproof moisture-penetrating coated fabric, which comprises the following steps of: preparing a base fabric with high density by adopting superfine high-elasticity polyester fibers, performing water-proof finish on the base fabric by using a micro molecular waterproofing agent and a softening agent, and coating a polyurethane membrane of numerous micropores with apertures of between diameters of water-drop molecules and water molecules on a shell fabric by a micro porous wet coating method. Therefore, the prepared shell fabric has the advantages of high-density fabrics and micro porous coating fabrics, has the advantages of soft texture, high tear resistance and tear fastness and good waterproof moisture-penetrating function, and can well meet the requirement of the market.
Description
Technical field
The present invention relates to a kind of coated fabric, particularly a kind of polyurethane water-proof moisture-penetrating coating process for making such fabric.
Background technology
The manufacture method of waterproof moisture permeating fabric can be divided into coating coating, transfer lamination and be made into three kinds of modes such as high density.The coating coating is that polymer solution is coated on the fabric continuously, makes it to form film at fabric face; Transfer lamination normally is coated on fluoropolymer resin on the release liners, fits with base cloth again; The Waterproof Breathable cloth that this dual mode obtains has higher water pressure resistance and poisture-penetrability usually, but also has shortcoming, can be as the original soft feeling of fabric because of the coating hardening, and easy swelling distortion of polymer film moisture absorption or the like.High density moisture-permeability waterproof fabric utilizes many number gauzes of fine denier to be raw material, the performance that cooperates loom cloth, can adjust and make thread count reach greatest limit, make space between tissue drop to minimum and realize the effect of Waterproof Breathable, but this fabric is the easy variation of its waterproof and moisture permeability after washing often, and machining reproducibility is poor, can't reach stable quality requirements.
Little porous wet-process coating is a kind of special fabric coating method, it is to form a large amount of apertures when relying on film forming less than 10 microns micropore, these micropores can stop water droplet (100 microns of average diameters) to infiltrate and obtain water pressure resistance, but allow water vapour molecule (0.0004 micron of average diameter) to pass through, thereby obtain poisture-penetrability.Little porous coating fabric is met water and is difficult for expanding, and has more water-wash resistance, can guarantee the moisture-penetrable ventilated performance that provides higher than common coated fabric simultaneously again, thereby development is very fast in the last few years.
Summary of the invention
The present invention is intended to overcome the deficiencies in the prior art, in conjunction with the advantage separately of high-density fabric and little porous coating coating method, provides a kind of preparation method of painted fabric with water-proof and drench qualities simutaneously.
For solving above technical problem, the technical scheme that the present invention takes is:
A kind of preparation method of painted fabric with water-proof and drench qualities simutaneously may further comprise the steps:
(1), adopt 2/1 JEAN to organize hatching, ultra-fine high elasticity polyster fibre is woven into base cloth through water jet looms, the diameter of section of described ultra-fine high elasticity polyster fibre between 4～7 microns, molding shrinkage is between 10%～15%;
(2), make the circulation colouring incessantly in continuous 10 hours in dye vat of the prepared base cloth of step (1);
(3), the base cloth after step (2) is handled is washed, then in 100～110 ℃ temperature range, make the base cloth after the washing dry stentering forming by the oven dry framing shaping machine with 30～40 meters/minute speed;
(4), make cloth after step (3) is handled with 50～55 meters/minute speed at the uniform velocity by being contained with the liquid bath of WATER REPELLENT TREATMENT liquid, and under 180～195 ℃ temperature, dry stentering forming, described WATER REPELLENT TREATMENT liquid is by scintilla waterproofing agent, softener and water by weight ratio 5～12: 3～5: 100 form;
(5), utilize polyurethane slurry and adopt the secondary padding method, on to the cloth after step (4) is handled, form little porous wet-process coating, wherein, the weight proportion of described polyurethane slurry consists of: 100 parts of polyurethane resins, 4～7 parts of dimethyl formamides; 4～10 parts of toluene; 5～10 parts of bridging agents; 5～10 parts of stabilizing agents; 50～70 parts in plasticizer;
(6), will promptly get described painted fabric with water-proof and drench qualities simutaneously through five oven for drying successively with 20～30 meters/minute speed through the cloth after step (5) is handled, wherein first oven temperature is 100～110 ℃, second oven temperature is 130～140 ℃, 130～140 ℃ in the 3rd baking oven; 130～140 ℃ in the 4th baking oven; 175～190 ℃ in the 5th baking oven.
Described ultra-fine high elasticity polyster fibre is a kind of new elastic fiber that adopts polyester to make by composite spinning technology.The molding shrinkage of ordinary elasticity fiber has only 5%～10% usually, and the molding shrinkage of this ultra-fine highly elastic fiber can reach 10%～15%, and its elasticity is 2～3 times of ordinary elasticity fiber.Adopt this ultra-fine highly elastic fiber to weave the base cloth that forms, have superpower anti tear and tearing fastness, because lining also has higher density, make lining itself have certain water-proof function simultaneously.
The main component of described scintilla waterproofing agent is the perfluoroalkyl acrylate base polymer, it is a kind of superior antibacterial water-soluble finishing agent of waterproof and oilproof, be milky white liquid, the pH value is mainly used in the water-proof finish of cotton fiber, polyster fibre, viscose and its blend fibre lining between 4～6.
Described softener is a kind of high activity cationic polyester type quaternary ammonium salt, and it is a kind of yellow powder powder material, earlier a certain amount of softener is dissolved in the warm water during use, and stirring at low speed cooling after be even pulpous state is standby.
In the described WATER REPELLENT TREATMENT liquid, preferably, the weight proportion of scintilla waterproofing agent, softener and clear water is 8: 4: 100.The lining that process WATER REPELLENT TREATMENT liquid is handled not only can significantly strengthen the waterproof effect of lining, also can make lining become soft more simultaneously, improves the touch feeling of lining.
Polyurethane resin can be waterborne polyurethane resin or solvent type polyurethane resin in the described step (5).
The effect of described bridging agent is the adhesion that strengthens waterproofing agent and fabric.
Stability during described function of stabilizer during the reinforced fiber washing.
The main component of described plasticizer is the phthalate material, and it is colourless, tasteless, nontoxic, and has some following performances: good with resin compatible; The plasticizing efficiency height; Stable to hot light; Volatility is low; Animal migration is little; Water-fast, oil and organic solvent; Low temperature flexibility is good; Fungus resistance or the like.Its effect mainly is the adhesiveness that strengthens cloth and resin, increases the pliability of lining, and the long-time placement of lining is not gone mouldy.
Described little porous wet-process coating, be polarity difference, solubility and the volatility difference etc. of utilizing solvent and auxiliary agent etc. in the polyurethane mixed liquor, by regulating the prescription of polyurethane mixed liquor, make forming the numerous micropores of diameter between water droplet and hydrone diameter through the polyurethane film inside after the wet-process coating oven dry on the lining.The aperture of control micropore make vapor evaporated molecules such as human body skin and sweat can pass through micropore, and raindrop etc. can not be passed through, thereby play the effect of Waterproof Breathable.
Enforcement by above technical scheme, make coated fabric of the present invention combine the advantage separately of high-density fabric and little porous coating coating processing mode, make the fabric that makes not only have the performance of good Waterproof Breathable, also have the touch feeling of comfortable softness and very strong anti tear and tearing fastness simultaneously.The painted fabric with water-proof and drench qualities simutaneously that the present invention makes can be widely used in raincoat, rainproof articles for use, outdoor clothes, bedding and decorate with fields such as linings, can satisfy the demand of market to waterproof moisture permeable fabric well.
The specific embodiment
The present invention will be further described in detail below in conjunction with specific embodiment, but be not limited to these embodiment.
Embodiment 1
(1), adopt 2/1 JEAN to organize hatching, ultra-fine high elasticity polyster fibre is woven into base cloth through water jet looms;
(2), make the prepared base cloth of step (1) in 200 ℃, under the 392kPa pressure, circulation colouring incessantly in continuous 10 hours in dye vat;
(3), the base cloth after step (2) is handled is washed, then in 100 ℃ temperature, make the base cloth after the washing dry stentering forming under 30 meters/minute the velocity conditions by the oven dry framing shaping machine;
(4), make cloth after step (3) is handled with 50 meters/minute speed at the uniform velocity by being contained with the liquid bath of WATER REPELLENT TREATMENT liquid, and under 180 ℃ temperature, dry stentering forming, described WATER REPELLENT TREATMENT liquid was made up of scintilla waterproofing agent, softener and water in 8: 4: 100 by weight ratio;
(5), utilize polyurethane slurry and adopt the secondary padding method, on to the cloth after step (4) is handled, form little porous wet-process coating, wherein, the weight proportion of described polyurethane slurry consists of: 100g polyurethane resin PUD-202,5g dimethyl formamide; 5g toluene Q101; 5g bridging agent W-8035; 5g stabilizing agent SSA15HRP; 60g plasticizer 8611;
(6), will promptly get described painted fabric with water-proof and drench qualities simutaneously through five oven for drying successively with 50 meters/minute speed through the cloth after step (5) is handled, wherein first oven temperature is 100 ℃, second oven temperature is 140 ℃, 140 ℃ in the 3rd baking oven; 140 ℃ in the 4th baking oven; 180 ℃ in the 5th baking oven.
According to the poisture-penetrability of the standard testing fabric of GB12704-1991, the poisture-penetrability of gained painted fabric with water-proof and drench qualities simutaneously reaches 5300g/m
2.d; According to its water proofing property of standard testing of GB/T4745-1997, the water pressure resistance 65KPa of gained painted fabric with water-proof and drench qualities simutaneously.
Embodiment 2
(1), adopt 2/1 JEAN to organize hatching, ultra-fine high elasticity polyster fibre is woven into base cloth through water jet looms;
(2), make the prepared base cloth of step (1) in 215 ℃, under the 392kPa pressure, circulation colouring incessantly in continuous 10 hours in dye vat;
(3), the base cloth after step (2) is handled is washed, then in 105 ℃ temperature, make the base cloth after the washing dry stentering forming under 35 meters/minute the velocity conditions by the oven dry framing shaping machine;
(4), make cloth after step (3) is handled with 53 meters/minute speed at the uniform velocity by being contained with the liquid bath of WATER REPELLENT TREATMENT liquid, and under 185 ℃ temperature, dry stentering forming, described WATER REPELLENT TREATMENT liquid was made up of scintilla waterproofing agent, softener and water in 8: 4: 100 by weight ratio;
(5), utilize polyurethane slurry and adopt the secondary padding method, on to the cloth after step (4) is handled, form little porous wet-process coating, wherein, the weight proportion of described polyurethane slurry consists of: 100g polyurethane resin PUD-202,6g dimethyl formamide; 7g toluene Q101; 7g bridging agent W-8035; 5g stabilizing agent SSA15HRP; 50g plasticizer 8611;
(6), will promptly get described painted fabric with water-proof and drench qualities simutaneously through five oven for drying successively with 53 meters/minute speed through the cloth after step (5) is handled, wherein first oven temperature is 105 ℃, second oven temperature is 140 ℃, 140 ℃ in the 3rd baking oven; 140 ℃ in the 4th baking oven; 185 ℃ in the 5th baking oven.
According to the poisture-penetrability of the standard testing fabric of GB12704-1991, the poisture-penetrability of gained painted fabric with water-proof and drench qualities simutaneously reaches 5400g/m
2.d; According to its water proofing property of standard testing of GB/T4745-1997, the water pressure resistance 63KPa of gained painted fabric with water-proof and drench qualities simutaneously.
Embodiment 3
(1), adopt 2/1 JEAN to organize hatching, ultra-fine high elasticity polyster fibre is woven into base cloth through water jet looms;
(2), make the prepared base cloth of step (1) in 220 ℃, under the 392kPa pressure, circulation colouring incessantly in continuous 10 hours in dye vat;
(3), the base cloth after step (2) is handled is washed, then in 110 ℃ temperature, make the base cloth after the washing dry stentering forming under 40 meters/minute the velocity conditions by the oven dry framing shaping machine;
(4), make cloth after step (3) is handled with 55 meters/minute speed at the uniform velocity by being contained with the liquid bath of WATER REPELLENT TREATMENT liquid, and under 190 ℃ temperature, dry stentering forming, described WATER REPELLENT TREATMENT liquid was made up of scintilla waterproofing agent, softener and water in 8: 4: 100 by weight ratio;
(5), utilize polyurethane slurry and adopt the secondary padding method, on to the cloth after step (4) is handled, form little porous wet-process coating, wherein, the weight proportion of described polyurethane slurry consists of: 100g polyurethane resin PUD-202,4g dimethyl formamide; 7g toluene Q101; 8g bridging agent W-8035; 5g stabilizing agent SSA15HRP; 70g plasticizer 8611;
(6), will promptly get described painted fabric with water-proof and drench qualities simutaneously through five oven for drying successively with 55 meters/minute speed through the cloth after step (5) is handled, wherein first oven temperature is 110 ℃, second oven temperature is 140 ℃, 140 ℃ in the 3rd baking oven; 140 ℃ in the 4th baking oven; The 5th baking oven 195.
According to the poisture-penetrability of the standard testing fabric of GB12704-1991, the poisture-penetrability of gained painted fabric with water-proof and drench qualities simutaneously reaches 5500g/m
2.d; According to its water proofing property of standard testing of GB/T4745-1997, the water pressure resistance 65KPa of gained painted fabric with water-proof and drench qualities simutaneously.
More than the present invention has been done detailed description; its purpose is to allow the personage that is familiar with this art can understand content of the present invention and is implemented; can not limit protection scope of the present invention with this; all equivalences of doing according to spiritual essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (4)
1. the preparation method of a painted fabric with water-proof and drench qualities simutaneously is characterized in that may further comprise the steps:
(1), adopt 2/1 JEAN to organize hatching, ultra-fine high elasticity polyster fibre is woven into base cloth through water jet looms, the diameter in the cross section of described ultra-fine high elasticity polyster fibre between 4～7 microns, molding shrinkage is between 10%～15%;
(2), make the circulation colouring incessantly in continuous 10 hours in dye vat of the prepared base cloth of step (1);
(3), the base cloth after step (2) is handled is washed, then in 100～110 ℃ temperature range, make the base cloth after the washing dry stentering forming by the oven dry framing shaping machine with 30～40 meters/minute speed;
(4), make base cloth after step (3) is handled with 50～55 meters/minute speed at the uniform velocity by being contained with the liquid bath of WATER REPELLENT TREATMENT liquid, and under 180～195 ℃ temperature, dry stentering forming, described WATER REPELLENT TREATMENT liquid is by scintilla waterproofing agent, softener and water by weight ratio 5～12: 3～5: 100 form;
(5), utilize polyurethane slurry and adopt the secondary padding method, on to the base cloth after step (4) is handled, form little porous wet-process coating, wherein, the weight proportion of described polyurethane slurry consists of: 100 parts of polyurethane resins, 4～7 parts of dimethyl formamides; 4～10 parts of toluene; 5～10 parts of bridging agents; 5～10 parts of stabilizing agents; 50～70 parts in plasticizer;
(6), will promptly get described painted fabric with water-proof and drench qualities simutaneously through five oven for drying successively with 40～60 meters/minute speed through the base cloth after step (5) is handled, wherein first oven temperature is 100～110 ℃, second oven temperature is 130～140 ℃, 130～140 ℃ in the 3rd baking oven; 130～140 ℃ in the 4th baking oven; 175～190 ℃ in the 5th baking oven.
2. preparation method as claimed in claim 1 is characterized in that: described scintilla waterproofing agent is the perfluoroalkyl acrylate base polymer.
3. preparation method as claimed in claim 1 or 2 is characterized in that: described softener is a cationic polyester type quaternary ammonium salt.
4. preparation method as claimed in claim 3 is characterized in that: in the described WATER REPELLENT TREATMENT liquid, the weight proportion of scintilla waterproofing agent, softener and water consisted of 8: 4: 100.
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| CN2010102515273A CN101956331B (en) | 2010-08-12 | 2010-08-12 | Method for preparing waterproof moisture-penetrating coated fabric |
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| CN2010102515273A CN101956331B (en) | 2010-08-12 | 2010-08-12 | Method for preparing waterproof moisture-penetrating coated fabric |
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| CN101956331A CN101956331A (en) | 2011-01-26 |
| CN101956331B true CN101956331B (en) | 2011-12-21 |
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