CN103276598A - Flame-retardant, waterproof, breathable and moisture-permeable coating and preparation method thereof - Google Patents
Flame-retardant, waterproof, breathable and moisture-permeable coating and preparation method thereof Download PDFInfo
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- CN103276598A CN103276598A CN2013102557087A CN201310255708A CN103276598A CN 103276598 A CN103276598 A CN 103276598A CN 2013102557087 A CN2013102557087 A CN 2013102557087A CN 201310255708 A CN201310255708 A CN 201310255708A CN 103276598 A CN103276598 A CN 103276598A
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Abstract
The invention provides a flame-retardant, waterproof, breathable and moisture-permeable coating and a preparation method thereof. The coating and the preparation method aim at solving the problem that flame retardance, breathability and waterproofness cannot be compatible in the prior art. The coating consists of a base coating and a top coating; the average molecular weight of polyurethane resin of the coating is 50000-150000g/mol; the viscosity is 70000-100000cps/25 DEG C; and the solid content of the polyurethane resin is 30-65%. The coating consists of the base coating and the top coating, wherein the base coating mainly achieves a bonding force with base fabric; the top coating has certain hardness, scratch resistance and wear resistance; and the base coating and the top coating have waterproof, breathable, moisture-permeable and flame-retardant properties.
Description
Technical field
The invention belongs to the fabric coating technical field, be specifically related to flame retardant polyurethane resin coating and preparation method thereof.
Background technology
Water proof air and moisture permeable fabric, be called " can breathe fabric " abroad, refer to adopt the clothes of this fabric making, can be rainproof, windproof, again can perspire, ventilative, and it is comfortable and easy to wear, this kind fabric is different from traditional " raincoat " from fundamental significance, therefore is subjected to the favor of fashion gradually.The principal character of this fabric is that sweat, the sweat steam raising that can quickly human body be formed are discharged, and avoids condensing in clothes, keeps dry and comfortable, the warm sensation of wearer.
Demand to this class fabric on the international market increases year by year, the later stage eighties, and the coating that employing polyurethane material (PU) is made or the research Showed Very Brisk of film, new technology, new varieties constantly emerge, and cause the extensive concern of countries in the world.Adopt the polyurethane water-proof gas permeable material, except can obtaining satisfied water-proof breathable properties, its excellent elasticity, cold resistance and lubricious feel, low relatively processing cost particularly, be subjected to the favor of consumer and manufacturer deeply, development prospect is wide, and scientific and technological content and added value height are extremely rising.
General garment material is combustibles, meets fire and very easily burns, and causes damage to property.Therefore many to fire-retardant cloth research in recent years.Two kinds of methods of fire-retardant general employing, a kind of is to adopt the method for adding fire retardant in the material the inside, another kind is that material itself has fire-retardant structure, can put out certainly when running into flame.Preceding a kind of material is the physics additive process, exists easily to add back material property decline, and fire retardant matter is moved to the problem that runs off in the surface.The material property homogeneous that a kind of method in back obtains, can there be the migration losing issue in good combination property.The water-proof air-moisture-permeable film thickness of using on the cloth is very thin, therefore adopts the method for adding fire retardant infeasible, exists losing issue, and the poor performance of material, therefore can only adopt the material with flame retarding construction to do the water-proof air-moisture-permeable film.There is problem fire-retardant and that air permeable waterproof can not be taken into account in existing coating product.
Summary of the invention
The purpose of this invention is to provide a kind of fire-resistant waterproof ventilation moisture-penetrating coating and preparation method thereof, to solve the problem that the fire-retardant and air permeable waterproof that exists in the prior art can not be taken into account.
For achieving the above object, the present invention is by the following technical solutions:
A kind of fire-resistant waterproof ventilation moisture-penetrating coating, this coating is made up of priming coat and finishing coat, the mean molecule quantity of the polyurethane resin of this coating is 50000～150000g/mol, and viscosity is 70000～100000cps/25 ℃, and the solid content of polyurethane resin is 30～65%.
The preparation method of above-mentioned fire-resistant waterproof ventilation moisture-penetrating coating may further comprise the steps:
The preparation of a, priming coat: by weight, choose 40～150 parts of PolyTHF polyether polyol mixtures, 20～60 parts of isocyanate ester compounds, 6～20 parts of polyether Glycols mixtures, with above-mentioned mixing of materials; The organic bismuth catalyst that under agitation drips said mixture gross weight 0.1% carries out polymerisation, reacted 3～6 hours down at 70～80 ℃, add terminator, organic solvent then, cooling back discharging stirs, the mean molecule quantity that obtains resin is 50000～150000g/mol, viscosity is 70000～100000cps/25 ℃, and the solid content of polyurethane resin is 45～65%;
B, the preparation of finishing coat: by weight, choose 40～200 polyether polyol, 50～80 parts of diisocyanate compounds, 10～50 parts of fire-retardant dihydroxylic alcohols mix, under agitation drip the organic bismuth catalyst of mixture total weight amount 0.1% then, reacted 3～6 hours down at 70～80 ℃, obtain prepolymer, add organic solvent then, adding amine chain extender reacts, viscosity adds terminator after reaching 70000～100000cps/25 ℃, stirs cooling, adds organic solvent, obtain product, obtaining the resin mean molecule quantity is 50000～150000g/mol, and viscosity is 70000～100000cps/25 ℃, and the solid content of polyurethane resin is 30～50%;
C, primer viscosity is 50000～10000cps 25 ℃ the time, carries out blade coating at base fabric, spread be primer 18～30 grams/square metre;
D, the cloth that has been coated with primer place baking oven at 120 ℃ of baking 60S down, take out standby baking face glue afterwards;
E, on the cloth of oven dry primer is coated with glue, the amount of face glue be 20～30 grams/square metre, the face glue of being coated with is placed in the baking oven at 160 ℃ and toasts 60S down.
Among the step a, described polyether Glycols mixture is polypropylene glycol, and the mixture of polyethylene glycol and flame retardant type polyether Glycols, the former two's molecular weight are 1000～3000, and the latter's molecular weight is 500～1000.
Among the step a, described isocyanate ester compound is MDI.
Among the step b, described polyether polyol is the mixture of polyethylene glycol and polypropylene glycol, and molecular weight ranges is 1000～3000, and the two mass ratio is 1:2.
Among the step b, described fire-retardant dihydroxylic alcohols is phosphoric acid ester low molecular polyether dihydroxylic alcohols, and shared weight is 1～10% in the finishing coat prescription.
Among the step b, described amine chain extender is isophorone diamine.
Among the step b, described diisocyanate compound is the mixture of HMDI and IPDI, and the mass ratio of the two is 1:1.
The spread of polyurethane primer 18～30 gram/square metre, face glue be 20～30 grams/square metre, the water pressure resistance that the gained material records with the ISO811.1981 method is greater than 8000mmH20, the numerical value that JIS L1099 method B-1:2006 records is greater than 8000g/m2/24h.
The present invention has the following advantages:
Coating of the present invention adopts primary coat and face to be coated with composition.Priming coat mainly is the cohesive force of solution and base fabric.Finishing coat has certain rigidity, and scratch resistance is wear-resisting.Priming coat and finishing coat all have the fire-retardant performance of water-proof air-moisture-permeable.
Coating of the present invention, it is saturating to be coated with floor height, soft smooth, water-fastness, has good flame retardancy, is fit to very much direct coating and the coating printing technology of dry goods coating processing.
Polyurethane resin by this manufacture method obtains has the advantages that weatherability is strong, resistance to water is good.According to the standard testing of FURNISHING FABRIC in " the fire-retardant woven fabric of GB 17591-2006 ", use fabrics flame resistance grade of the present invention to be the B1 level, char length≤150mm, time≤5s, the burning dropping does not cause burning.
According to " mensuration of coated fabric water permeability resistance (FZ/T01004-2008) method is tested, and uses the fabric water pressure resistance intensity of ordinary resin coating can reach 6000～10200Pa, uses the fabric water pressure resistance intensity of this coating to be higher than 8000Pa.Test according to " mensuration of coated fabric resistance to blocking (FZ/T 01063-2008) " method, use the resistance to blocking of fabric of resin provided by the present invention good.
According to the moisture permeability test of the fabric coating of Japanese JIS L1099A-1, this method the moisture permeability of resin be 〉=7000g/m2.24h.
The specific embodiment
Embodiment 1:
A kind of this coating of fire-resistant waterproof ventilation moisture-penetrating coating is made up of priming coat and finishing coat, and the mean molecule quantity of the polyurethane resin of this coating is 50000～150000g/mol, and viscosity is 70000～100000cps/25 ℃, and the solid content of polyurethane resin is 30～65%.
The preparation method of above-mentioned fire-resistant waterproof ventilation moisture-penetrating coating may further comprise the steps:
1, the preparation of priming coat: by weight, choose the mixture of 40 parts of PolyTHF polyether polyol mixtures, 60 parts of MDI, 12 parts of polyethylene glycol and flame retardant type polyether Glycols, the former two's molecular weight is 1000～3000, and the latter's molecular weight is 500～1000, with above-mentioned mixing of materials; The organic bismuth catalyst that under agitation drips said mixture gross weight 0.1% carries out polymerisation, reacted 3 hours down at 80 ℃, add terminator, organic solvent then, cooling back discharging stirs, the mean molecule quantity that obtains resin is 50000～150000g/mol, viscosity is 70000～100000cps/25 ℃, and the solid content of polyurethane resin is 45～65%;
2, the preparation of finishing coat: by weight, choose 120 polyethylene glycol and polypropylene glycol mixture, molecular weight ranges is 1000～3000, and the two mass ratio is 1:2; The mixture of 80 parts of HMDI and IPDI, the mass ratio of the two is 1:1; 10 parts of phosphoric acid ester low molecular polyether dihydroxylic alcohols mix, under agitation drip the organic bismuth catalyst of mixture total weight amount 0.1% then, reacted 5 hours down at 80 ℃, obtain prepolymer, add organic solvent then, adding isophorone diamine reacts, viscosity adds terminator after reaching 70000～100000cps/25 ℃, stir cooling, add organic solvent, obtain product, obtaining the resin mean molecule quantity is 50000～150000g/mol, viscosity is 70000～100000cps/25 ℃, and the solid content of polyurethane resin is 30～50%;
3, primer viscosity is 50000cps 25 ℃ the time, carries out blade coating at base fabric, spread be primer 30 grams/square metre;
4, the cloth that has been coated with primer places baking oven at 120 ℃ of baking 60S down, takes out standby baking face glue afterwards;
5, glue on the cloth of oven dry primer is coated with, the amount of face glue be 30 grams/square metre, the face glue of being coated with is placed in the baking oven at 160 ℃ and toasts 60S down.
The spread of polyurethane primer 18～30 gram/square metre, face glue be 20 grams/square metre, the water pressure resistance that the gained material records with the ISO811.1981 method is greater than 8000mmH20, the numerical value that JIS L1099 method B-1:2006 records is greater than 8000g/m2/24h.。
The material that embodiment 1 is made.Measure and monitor the growth of standing timber the elongation at break of material with wet, withstand voltage thoroughly.Elongation at break is 1200%, the saturating wet 7500g/m2.24h that is, and water pressure resistance is 10000mmH
20.Fire resistance is B1, char length≤150mm, and time≤5s, the burning dropping does not cause burning.The material resistance to blocking is good.
Embodiment 2:
1, the preparation of priming coat: by weight, choose the mixture of 100 parts of PolyTHF polyether polyol mixtures, 20 parts of MDI, 20 parts of polyethylene glycol and flame retardant type polyether Glycols, the former two's molecular weight is 1000～3000, and the latter's molecular weight is 500～1000, with above-mentioned mixing of materials; The organic bismuth catalyst that under agitation drips said mixture gross weight 0.1% carries out polymerisation, reacted 5 hours down at 70 ℃, add terminator, organic solvent then, cooling back discharging stirs, the mean molecule quantity that obtains resin is 50000～150000g/mol, viscosity is 70000～100000cps/25 ℃, and the solid content of polyurethane resin is 45～65%;
2, the preparation of finishing coat: by weight, choose 40 polyethylene glycol and polypropylene glycol mixture, molecular weight ranges is 1000～3000, and the two mass ratio is 1:2; The mixture of 65 parts of HMDI and IPDI, the mass ratio of the two is 1:1; 50 parts of phosphoric acid ester low molecular polyether dihydroxylic alcohols mix, under agitation drip the organic bismuth catalyst of mixture total weight amount 0.1% then, reacted 3 hours down at 75 ℃, obtain prepolymer, add organic solvent then, adding isophorone diamine reacts, viscosity adds terminator after reaching 70000～100000cps/25 ℃, stir cooling, add organic solvent, obtain product, obtaining the resin mean molecule quantity is 50000～150000g/mol, viscosity is 70000～100000cps/25 ℃, and the solid content of polyurethane resin is 30～50%;
3, primer viscosity is 10000cps 25 ℃ the time, carries out blade coating at base fabric, spread be primer 18 grams/square metre;
4, the cloth that has been coated with primer places baking oven at 120 ℃ of baking 60S down, takes out standby baking face glue afterwards;
5, glue on the cloth of oven dry primer is coated with, the amount of face glue be 20 grams/square metre, the face glue of being coated with is placed in the baking oven at 160 ℃ and toasts 60S down.
The material that embodiment 2 is made is coated with according to above-mentioned method, surveys fire resistance and saturating the wetting of coating, and is withstand voltage.Fire resistance is B1, char length≤150mm, and time≤5s, the burning dropping does not cause burning.The saturating wet 8200g/m2.24h that is, water pressure resistance is 9000mmH
20.The coating resistance to blocking is good.
Embodiment 3
1, the preparation of priming coat: by weight, choose the mixture of 150 parts of PolyTHF polyether polyol mixtures, 40 parts of MDI, 6 parts of polyethylene glycol and flame retardant type polyether Glycols, the former two's molecular weight is 1000～3000, and the latter's molecular weight is 500～1000, with above-mentioned mixing of materials; The organic bismuth catalyst that under agitation drips said mixture gross weight 0.1% carries out polymerisation, reacted 6 hours down at 75 ℃, add terminator, organic solvent then, cooling back discharging stirs, the mean molecule quantity that obtains resin is 50000～150000g/mol, viscosity is 70000～100000cps/25 ℃, and the solid content of polyurethane resin is 45～65%;
2, the preparation of finishing coat: by weight, choose 200 polyethylene glycol and polypropylene glycol mixture, molecular weight ranges is 1000～3000, and the two mass ratio is 1:2; The mixture of 50 parts of HMDI and IPDI, the mass ratio of the two is 1:1; 30 parts of phosphoric acid ester low molecular polyether dihydroxylic alcohols mix, under agitation drip the organic bismuth catalyst of mixture total weight amount 0.1% then, reacted 6 hours down at 70 ℃, obtain prepolymer, add organic solvent then, adding isophorone diamine reacts, viscosity adds terminator after reaching 70000～100000cps/25 ℃, stir cooling, add organic solvent, obtain product, obtaining the resin mean molecule quantity is 50000～150000g/mol, viscosity is 70000～100000cps/25 ℃, and the solid content of polyurethane resin is 30～50%;
3, primer viscosity is 8000cps 25 ℃ the time, carries out blade coating at base fabric, spread be primer 25 grams/square metre;
4, the cloth that has been coated with primer places baking oven at 120 ℃ of baking 60S down, takes out standby baking face glue afterwards;
5, glue on the cloth of oven dry primer is coated with, the amount of face glue be 25 grams/square metre, the face glue of being coated with is placed in the baking oven at 160 ℃ and toasts 60S down.
The material that embodiment 3 is made is coated with according to above-mentioned method, surveys fire resistance and saturating the wetting of coating, and is withstand voltage.Fire resistance is B1, char length≤150mm, and time≤5s, the burning dropping does not cause burning.The saturating wet 7800g/m2.24h that is, water pressure resistance is 9000mmH
20.The coating resistance to blocking is good.
Claims (9)
1. fire-resistant waterproof ventilation moisture-penetrating coating, it is characterized in that: this coating is made up of priming coat and finishing coat, the mean molecule quantity of the polyurethane resin of this coating is 50000～150000g/mol, and viscosity is 70000～100000cps/25 ℃, and the solid content of polyurethane resin is 30～65%.
2. the preparation method of a fire-resistant waterproof ventilation moisture-penetrating coating as claimed in claim 1 is characterized in that: may further comprise the steps:
The preparation of a, priming coat: by weight, choose 40～150 parts of PolyTHF polyether polyol mixtures, 20～60 parts of isocyanate ester compounds, 6～20 parts of polyether Glycols mixtures, with above-mentioned mixing of materials; The organic bismuth catalyst that under agitation drips said mixture gross weight 0.1% carries out polymerisation, reacted 3～6 hours down at 70～80 ℃, add terminator, organic solvent then, cooling back discharging stirs, the mean molecule quantity that obtains resin is 50000～150000g/mol, viscosity is 70000～100000cps/25 ℃, and the solid content of polyurethane resin is 45～65%;
B, the preparation of finishing coat: by weight, choose 40～200 polyether polyol, 50～80 parts of diisocyanate compounds, 10～50 parts of fire-retardant dihydroxylic alcohols mix, under agitation drip the organic bismuth catalyst of mixture total weight amount 0.1% then, reacted 3～6 hours down at 70～80 ℃, obtain prepolymer, add organic solvent then, adding amine chain extender reacts, viscosity adds terminator after reaching 70000～100000cps/25 ℃, stirs cooling, adds organic solvent, obtain product, obtaining the resin mean molecule quantity is 50000～150000g/mol, and viscosity is 70000～100000cps/25 ℃, and the solid content of polyurethane resin is 30～50%;
C, primer viscosity is 50000～10000cps 25 ℃ the time, carries out blade coating at base fabric, spread be primer 18～30 grams/square metre;
D, the cloth that has been coated with primer place baking oven at 120 ℃ of baking 60S down, take out standby baking face glue afterwards;
E, on the cloth of oven dry primer is coated with glue, the amount of face glue be 20～30 grams/square metre, the face glue of being coated with is placed in the baking oven at 160 ℃ and toasts 60S down.
3. the preparation method of fire-resistant waterproof ventilation moisture-penetrating coating as claimed in claim 2: it is characterized in that: among the step a, described polyether Glycols mixture is polypropylene glycol, the mixture of polyethylene glycol and flame retardant type polyether Glycols, the former two's molecular weight is 1000～3000, and the latter's molecular weight is 500～1000.
4. the preparation method of fire-resistant waterproof ventilation moisture-penetrating coating as claimed in claim 2: it is characterized in that: among the step a, described isocyanate ester compound is MDI.
5. the preparation method of fire-resistant waterproof ventilation moisture-penetrating coating as claimed in claim 2: it is characterized in that: among the step b, described polyether polyol is the mixture of polyethylene glycol and polypropylene glycol, and molecular weight ranges is 1000～3000, and the two mass ratio is 1:2.
6. the preparation method of fire-resistant waterproof ventilation moisture-penetrating coating as claimed in claim 2: it is characterized in that: among the step b, described fire-retardant dihydroxylic alcohols is phosphoric acid ester low molecular polyether dihydroxylic alcohols, and shared weight is 1～10% in the finishing coat prescription.
7. the preparation method of fire-resistant waterproof ventilation moisture-penetrating coating as claimed in claim 2: it is characterized in that: among the step b, described amine chain extender is isophorone diamine.
8. the preparation method of fire-resistant waterproof ventilation moisture-penetrating coating as claimed in claim 2: it is characterized in that: among the step b, described diisocyanate compound is the mixture of HMDI and IPDI, and the mass ratio of the two is 1:1.
9. the preparation method of fire-resistant waterproof ventilation moisture-penetrating coating as claimed in claim 2: the spread of polyurethane primer 18～30 grams/square metre, face glue be 20～30 the gram/square metre, the water pressure resistance that the gained material records with the ISO811.1981 method is greater than 8000mmH20, and the numerical value that JIS L1099 method B-1:2006 records is greater than 8000g/m2/24h.
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| CN104017164A (en) * | 2014-06-24 | 2014-09-03 | 北京理工大学 | Temperature-sensitive intelligent waterproof moisture-permeable flame-retardant waterborne polyurethane coating agent and preparation method thereof |
| CN104762818A (en) * | 2015-04-02 | 2015-07-08 | 杭州和顺纺织品有限公司 | One-side-coated anti-flame moisture-permeable waterproof cloth and preparation process thereof |
| CN105755834A (en) * | 2016-02-29 | 2016-07-13 | 苏州印丝特纺织数码科技有限公司 | Novel washable flame-retardant coating and preparation method thereof |
| CN109457496A (en) * | 2018-11-14 | 2019-03-12 | 南京边城体育用品股份有限公司 | A kind of fire-resistant waterproof ventilation moisture-permeable shell fabric and preparation method thereof |
| CN109468858A (en) * | 2019-01-11 | 2019-03-15 | 晋江市永固纺织涂层有限公司 | Waterproof Breathable feel glue, Waterproof Breathable feel fabric and preparation method thereof |
| CN110344271A (en) * | 2019-08-07 | 2019-10-18 | 湖州五兴达丝绸整理有限公司 | A kind of waterproof calico coating process |
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| CN110344271A (en) * | 2019-08-07 | 2019-10-18 | 湖州五兴达丝绸整理有限公司 | A kind of waterproof calico coating process |
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| CN103276598B (en) | 2016-01-20 |
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