CN104015445B - High poisture-penetrability waterproof fabrics - Google Patents
High poisture-penetrability waterproof fabrics Download PDFInfo
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Abstract
A kind of high poisture-penetrability waterproof fabrics of disclosure, including base fabric and the coat being positioned at base fabric side, the slurry that its second priming coat is made up of following mass ratio content component is dried and is obtained: polyurethane resin 100, bromoethane 38 ~ 42, antimony oxide 19 ~ 21, Firebrake ZB 4.5 ~ 5.5, bridging agent 4 ~ 5, accelerator 1.6 ~ 2, wash resistant agent 1.4 ~ 1.6, phosphoric acid ester flame retardant oil 9 ~ 11; The slurry that finishing coat is made up of following mass ratio content component is dried and is obtained: polyurethane resin 100; Bromoethane 9 ~ 11; Antimony oxide 4.5 ~ 5.5; Firebrake ZB 0.9 ~ 1.1; Described fire-retardant acrylic silk is made up of the component of following mass ratio content: acrylic: cotton: aramid fiber=4:3.5 ~ 4.5:0.9 ~ 1.1; Described bridging agent carbimide; Described accelerator is organic ammonium salt; Described wash resistant agent is trimethylolpropane heteropolymer material. High poisture-penetrability waterproof fabrics duration of fire resistance of the present invention is permanent, raw smoke is little and flame retardant effect wash resistant, it is to avoid fire retardant matter hydrolysis.
Description
Technical field
The present invention relates to a kind of high poisture-penetrability waterproof fabrics, belong to technical field of textile fabric.
Background technology
Current coating fabric only possesses simple function, human body (high humidity in rather harsh environments can not be met simultaneously, atmosphere draught-free, such as mining industry, oil well operation personnel) long-term operation, it is unfavorable for special work post (traffic police, patrol police, road surface cleanup crew) in ongoing operations process because fabric visibility is inadequate, the protection that human body inherently safe cannot be produced and protection, it is unfavorable for performing in particular cases (such as fire-fighting fire extinguishing, accidental explosion, during burning) fabric do not possess anti-flammability, and fabric only possesses combustion-supporting property thus producing human body calcination, the situations such as burn.
Summary of the invention
It is an object of the present invention to provide a kind of long-acting flame-retardant coating fabric with security protection performance and manufacturing process thereof, overcome prior art flame retardant effect not good, flame retardant effect is impermanent, raw smoke is big, it is easy to producing molten drop, flame retardant effect is wash resistant not, fire retardant matter is easily hydrolyzed, after fabric fold resistant, hydraulic pressure is easily lost, and the thermostability of polyurethane resin is not good, and hydrolytic resistance is not good.
For reaching above-mentioned purpose, the technical solution used in the present invention is:
A kind of high poisture-penetrability waterproof fabrics, including base fabric and the coat being positioned at base fabric side, it is characterized in that: described coat is by the first priming coat, the second priming coat and is coated on the finishing coat superposition of the second base coating surface and forms, the lining of fire-retardant acrylic silk braiding be pasted on described coat opposite side;
The slurry that described first priming coat is made up of following mass ratio content component is dried and is obtained:
Polyurethane resin, 100;
Bromoethane, 38 ~ 42;
Antimony oxide, 19 ~ 21;
Firebrake ZB, 4.5 ~ 5.5;
Bridging agent, 4 ~ 5;
Accelerator, 1.6 ~ 2;
Wash resistant agent, 1.4 ~ 1.6;
Phosphoric acid ester flame retardant oil, 9 ~ 11;
The slurry that described second priming coat is made up of following mass ratio content component is dried and is obtained:
Polyurethane resin, 100;
Bromoethane, 38 ~ 42;
Antimony oxide, 19 ~ 21;
Firebrake ZB, 4.5 ~ 5.5;
Bridging agent, 4 ~ 5;
Accelerator, 1.6 ~ 2;
Wash resistant agent, 1.4 ~ 1.6;
Phosphoric acid ester flame retardant oil, 9 ~ 11;
The slurry that described finishing coat is made up of following mass ratio content component is dried and is obtained:
Polyurethane resin, 100;
Bromoethane, 9 ~ 11;
Antimony oxide, 4.5 ~ 5.5;
Firebrake ZB, 0.9 ~ 1.1;
Described fire-retardant acrylic silk is made up of the component of following mass ratio content: acrylic: cotton: aramid fiber=4:3.5 ~ 4.5:0.9 ~ 1.1;
Described bridging agent carbimide; Described accelerator is organic ammonium salt; Described wash resistant agent is trimethylolpropane heteropolymer.
As preferably, described base fabric, the first priming coat, thickness between the second priming coat and finishing coat are than for 26:0.6:1.0:0.4.
As preferably, described base fabric, the first priming coat, mass ratio between the second priming coat and finishing coat are 14:3:5:2.
Owing to technique scheme is used, the present invention compared with prior art has following advantages and effect:
1, the present invention adopts specific acrylic silk weaving to make lining and had both achieved flame retardant effect, does not produce again molten drop, does not produce broken hole and promotes the intensity of fabric; Secondly, processed more tight of press polish set fabric is adopted repeatedly, it is possible to the fine, soft fur of fabric face can be burnt, reduces the feel of wool, promote uniformity and the film property of glue surface. Secondly, the setting of specific maturation condition: have preferably peel strength after maturation is complete, short chain molecule can be changed to long-chain molecule, temperature: the temperature design of optimization, it is ensured that improve the reaction rate of hot melt while quality by the humidity design of optimization.
2, the present invention has and multi-functional effectively combines (it is good that fabric possesses antistatic, high water proofing property, high poisture-penetrability, high fire-retardance, washing fastness, lower visibility) and can meet adverse circumstances (mining industry, oil well operation) and special work post personnel's taking (traffic police, patrol police, fire fighter).
3, the present invention imports flame-proof treatment, makes fabric structure have good fire resistance: select efficiently, highly purified fire-retardant powder body, the fire-retardant principle by different: the effect of bromoethane: can be good at stoping naked light burning, big fire is transformed into little fire. The effect of antimony oxide; Good synergistic effect can be played with bromoethane, promote the fire resistance of bromoethane. And itself has fire resistance, it is possible to produce the composition of water when burning, stop the burning of fire. And have the effect of isolating oxygen. Acting as of Firebrake ZB: have anti-flammability, has the performance that significantly eliminates smoke, and has and reduces the performance that molten drop produce are raw. Efficient organic phosphate flame-retardant oil: have an anti-flammability, and the feel of fabric can be improved, it is unlikely to so that fabric feel is too hard.
4, the present invention uses at the bottom of hydrophilic polyurethane, face resin. And be washable, the high temperature resistant resin classification with high-transparency structure so that fabric structure has good water vapour permeability, resistance to complications, resistance to low temperature;
A. the tolerance to cold of resin can reach-30 degree,
B. the anti-hydrolytic performance of resin: put into 70 degree, places after 7 day time in the environment of humidity 95%, takes out tortuous 100,000 times of room temperature, and whether inspection fabric is complete.Fabric 10S runner wears away 2000 turns, and fabric does not have breakage.
5, the present invention is high by the dry rubber content being coated with polyurethane resin so that fabric has good water resistance and well washes rear water resistance:
A. primer makes fabric have good washing resistance performance and high hydraulic pressure performance
B. increasing primary coat amount minimizing topcoating amount and be because hydraulic pressure, moisture permeability is ensured by primer, and fabric can reduce moisture-inhibiting angle value.
6, specific targets numerical value of the present invention is as follows:
A. before hydrostatic pressing value is washed > 10000mmH2O, after five washings > 2000mmH2O(washing methods ISO6330, method of testing ISO811)
B. poisture-penetrability: RET < 20(test mode EN13492)
C. anti-flammability passes through EN533-1 level criterion
D. visual: by the detection of EN471
E. cold-resistant up to less than-30 DEG C, (ISO2136 standard) resistance to tortuous 9000 nothings are split.
7, the present invention is by the immersion before mixing, fireproof powder: flame retardant oil: toluene carries out soaking and mixing 24 hours according to the ratio optimized. The hardness of fireproof powder can be softened, particle aggregation and caking will not be produced, and can be able to be sufficiently mixed uniformly in adding polyurethane resin primer. By the mode filtered, it is possible to remove the bulky grain in fire-retardant powder body and other impurity class materials, reduce in the process of blade coating, produce the occurrence frequency of glue trace.
8, the purpose that temperature of the present invention sets: the volatilization temperature of toluene is as 119 degree, and the volatilization temperature of butanone is 79 degree, and the boiling point of dimethylformamide is 158 degree. Allow different solvents progressively volatilize at different temperatures, it is possible to ensure the film property of colloid, reduce the formation in hole, volcano. It is not easy to produce pin hole so that hydraulic pressure can be higher. The parameter setting of temperature and air quantity can promote moisture permeability desired value, reduces energy loss, reduces solvent remaining, promotes the uniformity effects of glue surface.
9, ground floor primary coat of the present invention: the dry glue amount of ground floor primary coat amount is 30G/M, viscosity is 23000CPS, and wherein the amount of 30% infiltrates into fabric, and 70% remains in fabric face film forming. Purpose is that colloid part infiltrates into fabric, it is possible to well catch fabric, rubberised layer then effect good with formation of fabrics. The body of such glue just can pass through friction, and washing is not easy to come off. And ensure that first is 1000MM to the hydraulic pressure value of primary coat; Second to primary coat: the dry glue amount of second layer primary coat amount is 50G/M, viscosity is 26000CPS, it is therefore an objective to form good film forming on the surface of first primary coat, reduces the formation in hole, coat side volcano, promote coating facial film sense effect, and ensure that hydraulic pressure value can be promoted to rapidly more than 10000MM.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described:
Embodiment 1-3: a kind of high poisture-penetrability waterproof fabrics, including base fabric and the coat being positioned at base fabric side, it is characterized in that: described coat is by the first priming coat, the second priming coat and is coated on the finishing coat superposition of the second base coating surface and forms, the lining of fire-retardant acrylic silk braiding be pasted on described coat opposite side;
The slurry that described first priming coat is made up of table 1 mass ratio content component is dried and is obtained:
Table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | |
| Polyurethane resin | 100 | 100 | 100 |
| Bromoethane | 38 | 40 | 42 |
| Antimony oxide | 19 | 20 | 21 |
| Firebrake ZB | 4.5 | 5 | 5.5 |
| Bridging agent | 4 | 4.5 | 5 |
| Accelerator | 16 | 1.8 | 2 |
| Wash resistant agent | 1.4 | 1.5 | 1.6 |
| Phosphoric acid ester flame retardant oil | 9 | 10 | 11 |
The slurry that described second priming coat is made up of table 2 mass ratio content component is dried and is obtained:
Table 2
| Embodiment 1 | Embodiment 2 | Embodiment 3 | |
| Polyurethane resin | 100 | 100 | 100 |
| Bromoethane | 38 | 40 | 42 |
| Antimony oxide | 19 | 20 | 21 |
| Firebrake ZB | 4.5 | 5 | 5.5 |
| Bridging agent | 4 | 4.5 | 5 |
| Accelerator | 1.6 | 1.8 | 2 |
| Wash resistant agent | 1.4 | 1.5 | 1.6 |
| Phosphoric acid ester flame retardant oil | 9 | 10 | 11 |
Note: the bridging agent of embodiment 1 is tripolycyanamide, accelerator is organic ammonium salt, and wash resistant agent is end-sealed type aliphatic carbimide polymer;The bridging agent of embodiment 2 is carbimide, and accelerator is organic metal class, and wash resistant agent is aliphatic; The bridging agent of embodiment 3 is carbimide, and accelerator is metal P, S compound, and wash resistant agent is trimethylolpropane heteropolymer.
The slurry that described finishing coat is made up of table 3 mass ratio content component is dried and is obtained:
Table 3
| Embodiment 1 | Embodiment 2 | Embodiment 3 | |
| Polyurethane resin | 100 | 100 | 100 |
| Bromoethane | 9 | 10 | 11 |
| Antimony oxide | 4.5 | 5 | 5.5 |
| Firebrake ZB | 0.9 | 1 | 1.1 |
Described fire-retardant acrylic silk is made up of the component of following mass ratio content: acrylic: cotton: aramid fiber=4:3.5 ~ 4.5:0.9 ~ 1.1.
Note: embodiment 1 acrylic, cotton and aramid fiber mix according to 4:3.5:1.1; Embodiment 2 acrylic, cotton and aramid fiber mix according to 4:4:0.9; Embodiment 3 acrylic, cotton and aramid fiber mix according to 4:4.5:1.
Above-mentioned base fabric, the first priming coat, thickness between the second priming coat and finishing coat are than for 26:0.6:1.0:0.4.
Above-mentioned base fabric, the first priming coat, mass ratio between the second priming coat and finishing coat are 14:3:5:2.
The manufacturing process of a kind of high poisture-penetrability waterproof fabrics, comprises the following steps:
Step one, by bromoethane, antimony oxide and zinc borate power after toluene soak dissolves each other at least 24 hours, then carry out particle screen selecting and Impurity removal with 120 order finly filtration nets.
Step 2, priming coat slurry will be uniformly mixed to form through the bromoethane of step one, antimony oxide and zinc borate power and hydrophilic polyurethane moisture-inhibiting primer according to 40:22 ~ 18:4 ~ 6:95 ~ 105 mass ratio;
Note: embodiment 1 mixed proportion is 40:22:4:100; Embodiment 2 mixed proportion is 40:18:5:95; Embodiment 3 mixed proportion is 40:20:6:105.
Step 3, finishing coat slurry will be uniformly mixed to form through the bromoethane of step one, antimony oxide and zinc borate power and hydrophilic polyurethane moisture-inhibiting face gum resin according to 10:4 ~ 6:0.9 ~ 1.1:95 ~ 105 mass ratio;
Note: embodiment 1 mixed proportion is 10:4:1.1:95; Embodiment 2 mixed proportion is 10:6:0.9:105; Embodiment 3 mixed proportion is 10:5:1:100.
Step 4, bridging agent, accelerator and resistance to lotion and described priming coat slurry are uniformly mixed to form the priming coat slurry after modulation.
Step 5, slurry and described finishing coat slurry in vain are uniformly mixed to form the finishing coat slurry after modulation, this in vain slurry for containing 70 ~ 80% the mixture of titanium dioxide, solvent body is DMF;
Note: embodiment 1 starches the DMF solvent of the titanium dioxide for 70wt% in vain; Embodiment 2 starches the DMF solvent of the titanium dioxide for 75wt% in vain; Embodiment 3 is the DMF solvent of the titanium dioxide of 80wt%.
Step 6, by phosphoric acid ester flame retardant oil with modulation after priming coat slurry according to 1:8 ~ 12 mass ratio Homogeneous phase mixing;
Note: embodiment 1 mixed proportion is 1:8; Embodiment 2 mixed proportion is 1:10; Embodiment 3 mixed proportion is 1:12.
Step 7, the priming coat slurry after the described modulation of step 6 is overlying on described scrim surfaces forming the first priming coat, after drying, dry glue amount is 28-32g/m2, scraper speed is 12 ~ 18m/min, then dries, and drying time is 70 ~ 90 seconds;
Note: after embodiment 1 is dried, dry glue amount is 28g/m2, scraper speed is 18m/min, and drying time is 80 seconds; After embodiment 2 is dried, dry glue amount is 32g/m2, scraper speed is 12m/min, and drying time is 70 seconds; After embodiment 3 is dried, dry glue amount is 30g/m2, scraper speed is 15m/min, and drying time is 90 seconds.
Step 8, being coated on by the priming coat slurry after the described modulation of step 6 and form the second priming coat through described another surface of first priming coat of step 7, after drying, dry glue amount is 48 ~ 52g/m2; Drying, drying time is 70 ~ 90 seconds again;
Note: after embodiment 1 is dried, dry glue amount is 48g/m2, drying time is 80 seconds; After embodiment 2 is dried, dry glue amount is 52g/m2, drying time is 90 seconds; After embodiment 3 is dried, dry glue amount is 50g/m2, drying time is 70 seconds.
Step 9, the finishing coat slurry after the described modulation of step 6 is coated on through step 8 described another surface of second priming coat formed finishing coat, coated weight is 18-22g/m2; Drying, drying time is 70 ~ 90 seconds again;
Note: after embodiment 1 is dried, dry glue amount is 18g/m2, drying time is 80 seconds; After embodiment 2 is dried, dry glue amount is 22g/m2, and drying time is 90 seconds; After embodiment 3 is dried, dry glue amount is 20g/m2, and drying time is 70 seconds.
Step 10, mix acrylic, cotton and aramid fiber according to 4:3.5 ~ 4.5:0.9 ~ 1.1 and reel off raw silk from cocoons the fire-retardant acrylic silk of formation, and adopts this fire-retardant acrylic silk weaving appearance become fire-retardant lining and be pasted on described finishing coat opposite side;
Note: embodiment 1 acrylic, cotton and aramid fiber mix according to 4:3.5:1.1; Embodiment 2 acrylic, cotton and aramid fiber mix according to 4:4:0.9; Embodiment 3 acrylic, cotton and aramid fiber mix according to 4:4.5:1.
The viscosity coefficient of the priming coat slurry after above-mentioned modulation is 23000 ~ 26000CPS, and the viscosity coefficient of the finishing coat slurry after modulation is 7000 ~ 8000CPS, and testing conditions is at 25 DEG C.
In above-mentioned steps seven, in the first priming coat and step 8, the drying of the second priming coat is divided into four-stage:
First stage: when 110 DEG C, and carry out under the air atmosphere of low speeds flow;
Second stage: when 120 DEG C, and carry out under the air atmosphere of middling speed flowing;
Phase III: when 140 DEG C, and carry out under the air atmosphere of strong speed flowing;
Fourth stage: when 140 DEG C, and carry out under the air atmosphere of low speeds flow.
The finishing coat of above-mentioned steps nine is dried and is divided into four-stage:
First stage: when 120 DEG C, and carry out under swiftly flowing air atmosphere;
Second stage: when 140 DEG C, and carry out under the air atmosphere of low speeds flow;
Phase III: when 160 DEG C, and carry out under swiftly flowing air atmosphere;
Fourth stage: when 160 DEG C, and carry out under swiftly flowing air atmosphere.
Above-mentioned by base fabric temperature 180 DEG C, pressure 60kg/c and speed 30m/min technological parameter under carry out press polish process; Between described step 7 and step 8, by base fabric temperature 180 DEG C, pressure 60kg/c and speed 20m/min technological parameter under carry out press polish process; Between described step 8 and step 9, by base fabric temperature 180 DEG C, pressure 60kg/c and speed 20m/min technological parameter under carry out press polish process.
Above-described embodiment only for technology design and the feature of the present invention are described, its object is to allow person skilled in the art will appreciate that present disclosure and to implement according to this, can not limit the scope of the invention with this. All equivalences made according to spirit of the invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (3)
1. one kind high poisture-penetrability waterproof fabrics, including base fabric and the coat being positioned at base fabric side, it is characterized in that: described coat is by the first priming coat, the second priming coat and is coated on the finishing coat superposition of the second base coating surface and forms, flame-retardant acrylic fibre silk the lining woven is pasted on described coat opposite side;
The slurry that described first priming coat is made up of following mass ratio content component is dried and is obtained:
Polyurethane resin, 100;
Bromoethane, 38 ~ 42;
Antimony oxide, 19 ~ 21;
Firebrake ZB, 4.5 ~ 5.5;
Bridging agent, 4 ~ 5;
Accelerator, 1.6 ~ 2;
Wash resistant agent, 1.4 ~ 1.6;
Phosphoric acid ester flame retardant oil, 9 ~ 11;
The slurry that described second priming coat is made up of following mass ratio content component is dried and is obtained:
Polyurethane resin, 100;
Bromoethane, 38 ~ 42;
Antimony oxide, 19 ~ 21;
Firebrake ZB, 4.5 ~ 5.5;
Bridging agent, 4 ~ 5;
Accelerator, 1.6 ~ 2;
Wash resistant agent, 1.4 ~ 1.6;
Phosphoric acid ester flame retardant oil, 9 ~ 11;
The slurry that described finishing coat is made up of following mass ratio content component is dried and is obtained:
Polyurethane resin, 100;
Bromoethane, 9 ~ 11;
Antimony oxide, 4.5 ~ 5.5;
Firebrake ZB, 0.9 ~ 1.1;
Described flame-retardant acrylic fibre silk is made up of the component of following mass ratio content: acrylon: cotton: aramid fiber=4:3.5 ~ 4.5:0.9 ~ 1.1;
Described bridging agent is isocyanates; Described accelerator is organic ammonium salt; Described wash resistant agent is trimethylolpropane heteropolymer.
2. high poisture-penetrability waterproof fabrics according to claim 1, it is characterised in that: described base fabric, the first priming coat, thickness between the second priming coat and finishing coat are than for 26:0.6:1.0:0.4.
3. high poisture-penetrability waterproof fabrics according to claim 1, it is characterised in that: described base fabric, the first priming coat, mass ratio between the second priming coat and finishing coat are 14:3:5:2.
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| CN106087454A (en) * | 2016-06-20 | 2016-11-09 | 明仁精细化工（嘉兴）有限公司 | A kind of high water-fastness waterproof moisture-penetrating urethane fabric and preparation method |
| CN106012508A (en) * | 2016-07-12 | 2016-10-12 | 绵阳佳禧印染有限责任公司 | Printing and dyeing method for anti-infrared high-fastness gummed environment-friendly camouflage fabric and camouflage fabric |
| CN108327366A (en) * | 2018-02-09 | 2018-07-27 | 苏州堂贝纺织品有限公司 | A kind of waterproof garment material |
| CN108951197A (en) * | 2018-10-09 | 2018-12-07 | 揭阳市腾晟科技咨询有限公司 | A kind of high-intensitive dress materials of water proof fire retardant |
| 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 |
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| CN101956330A (en) * | 2010-08-12 | 2011-01-26 | 吴江市恒润织造厂 | Method for preparing waterproof and moisture-permeable composite cloth |
| CN102173154A (en) * | 2011-03-04 | 2011-09-07 | 昆山华富合成皮革有限公司 | Polyurethane windproof air-permeable coat compounded textile fabric and preparation method thereof |
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| JPH0482976A (en) * | 1990-07-16 | 1992-03-16 | Unitika Ltd | Production of moisture-permeable and waterproof fabric having soft hand |
| KR960007596B1 (en) * | 1993-10-19 | 1996-06-07 | 김성욱 | Moisture permeable waterproof fabric and the manufacturing method thereof |
| JP3809856B2 (en) * | 2000-08-31 | 2006-08-16 | 平岡織染株式会社 | Waterproof cloth |
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| CN101956330A (en) * | 2010-08-12 | 2011-01-26 | 吴江市恒润织造厂 | Method for preparing waterproof and moisture-permeable composite cloth |
| CN102173154A (en) * | 2011-03-04 | 2011-09-07 | 昆山华富合成皮革有限公司 | Polyurethane windproof air-permeable coat compounded textile fabric and preparation method thereof |
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