CN102747611B - A kind of preparation method of environmental protection case and bag coating fabric - Google Patents
A kind of preparation method of environmental protection case and bag coating fabric Download PDFInfo
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- CN102747611B CN102747611B CN201210209964.8A CN201210209964A CN102747611B CN 102747611 B CN102747611 B CN 102747611B CN 201210209964 A CN201210209964 A CN 201210209964A CN 102747611 B CN102747611 B CN 102747611B
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- 239000011248 coating agent Substances 0.000 title claims abstract description 38
- 238000000576 coating method Methods 0.000 title claims abstract description 38
- 239000004744 fabric Substances 0.000 title claims abstract description 36
- 230000007613 environmental effect Effects 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000002002 slurry Substances 0.000 claims abstract description 41
- 238000005187 foaming Methods 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 229920002635 polyurethane Polymers 0.000 claims abstract description 17
- 239000004814 polyurethane Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 12
- 238000003490 calendering Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000000740 bleeding effect Effects 0.000 claims abstract description 7
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 7
- 239000011737 fluorine Substances 0.000 claims abstract description 7
- 229920005749 polyurethane resin Polymers 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 9
- 239000002270 dispersing agent Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000002562 thickening agent Substances 0.000 claims description 6
- 239000004604 Blowing Agent Substances 0.000 claims description 5
- 239000003431 cross linking reagent Substances 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 239000002023 wood Substances 0.000 claims description 5
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical group CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 claims description 4
- 239000004094 surface-active agent Substances 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- 229920003232 aliphatic polyester Polymers 0.000 claims 1
- 229920000058 polyacrylate Polymers 0.000 claims 1
- 229920005646 polycarboxylate Polymers 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 229920006395 saturated elastomer Polymers 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 241000722921 Tulipa gesneriana Species 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000005470 impregnation Methods 0.000 description 4
- 238000010422 painting Methods 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 206010000269 abscess Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- UXGNZZKBCMGWAZ-UHFFFAOYSA-N dimethylformamide dmf Chemical compound CN(C)C=O.CN(C)C=O UXGNZZKBCMGWAZ-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Landscapes
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention relates to a kind of preparation method of environmental protection case and bag coating fabric, comprise the following steps: step 1, the hot saturated air be arranged in by base through 180 DEG C after padding in liquid are dried, the water that described liquid sprinkles aqua, the bleeding agent of 0.5 ~ 1 weight portion and 100 weight portions by the fluorine rope of 3 ~ 5 weight portions is formulated; Step 2, waterproof is dried after base cloth through the calender calendering of 140 DEG C; Step 3, the waterborne polyurethane foaming slurry prepared is uniformly coated on scrim surfaces post-drying, coating thickness is 0.35 ~ 0.40mm, and coating weight is 200 ~ 300g/m
2, bake out temperature is 90 DEG C ~ 150 DEG C.The preparation method of environmental protection case and bag coating fabric of the present invention, not only technique simple, be suitable for suitability for industrialized production, and obtained environmental protection case and bag coating fabric surface smoothness is high, soft, has market application foreground widely.
Description
Technical field
The present invention relates to a kind of preparation method of case and bag coating fabric, particularly a kind of environment-friendly water-based polyurethane resin that adopts is to prepare the method for environmental protection case and bag coating fabric.
Background technology
Tradition luggage leather mainly with polyvinyl chloride and solvent-borne type polyurethane resin for base material, its feature is that polyvinyl chloride is when high temperature plastifies, plasticizer DOP (o-phthalic acid dibutyl ester) wherein has certain residual, has certain injury to human body, and the RECAH standard that European Union puts into effect has restriction to this.
In addition, containing a large amount of organic solvents (dimethyl formamide DMF, butanone MEK, toluene TOL etc.) in solvent-borne type polyurethane resin, these organic solvents not only injure workers ' health, also pollute surrounding enviroment.
At present, environment-friendly type aqueous polyurethane resin, main is solvent with water, do not produce waste water and gas discharge, not working the mischief to human body and ecological environment, decrease recycling equipment and energy resource consumption simultaneously, is therefore the best alternative materials of solvent-borne type polyurethane and polyvinyl chloride luggage leather, but also there is not the method preparing case and bag coating fabric with environment-friendly type aqueous polyurethane resin at present, this problems demand solves.
Summary of the invention
The object of the present invention is to provide a kind of environment-friendly water-based polyurethane resin that adopts to prepare the method for environmental protection case and bag coating fabric.
To achieve these goals, the technical solution used in the present invention is:
A preparation method for environmental protection case and bag coating fabric, comprises the following steps:
Step 1, waterproof are dried: base is arranged in the hot air dries through 180 DEG C after padding in liquid, and the water that described liquid sprinkles aqua, the bleeding agent of 0.5 ~ 1 weight portion and 100 weight portions by the fluorine rope of 3 ~ 5 weight portions is formulated;
Ji Bu after waterproof drying and processing, its surface has waterproofing function, not easily soak by waterborne polyurethane foaming slurry, the case and bag coating fabric feel therefore produced is more soft; And base cloth its surface smoothness after padding also is improved.
Step 2, calendering: by the calender calendering of the base cloth after waterproof oven dry through 140 DEG C;
The apparent flaws such as the scrim surfaces flatness after calendering is very high, the cotton knot that scrim surfaces no concave-convex is uneven or outstanding, therefore improve the surface smoothness of the waterborne polyurethane foaming layer of follow-up coating film forming, the product surface obtained is substantially indefectible.
Step 3, coating film forming: the waterborne polyurethane foaming slurry prepared is uniformly coated on scrim surfaces post-drying, coating thickness is 0.35 ~ 0.40mm, and coating weight is 200 ~ 300g/m
2, bake out temperature is 90 DEG C ~ 150 DEG C, and described waterborne polyurethane foaming slurry is prepared by following methods and obtains:
Step X, get the stuffing of 5 ~ 8 weight portions, the blowing agent of 1 ~ 3 weight portion, the foam stabilizer of 3 ~ 5 weight portions, the crosslinking agent of 1 ~ 3 weight portion, the aqueous color paste of 2 ~ 20 weight portions, the dispersant of 1 ~ 3 weight portion, add in the waterborne polyurethane resin of 100 weight portions after stirring 3 ~ 5 minutes respectively, and then add thickener adjustment slurry viscosity to the 5000 ~ 7000cps of 0.5 ~ 2 weight portion, constantly stir slurry in adding procedure, mixing speed is 1200 ~ 1500 rpms;
Step Y, at room temperature foamed by foaming machine by the slurry be stirred, the viscosity controlling slurry is 5000 ~ 7000cps, and the air mass flow of foaming machine is 50 ~ 400 liters/min, and expansion ratio is 1.5 ~ 2.
In step 3, described waterborne polyurethane resin is preferably aliphatic polyester type; Described stuffing is preferably high-quality wood powder; Described foam stabilizer is preferably Stearyl Amine surfactant; Described dispersant is preferably polycarboxylate sodium's type; Described thickener is preferably polyacrylate; Described foaming machine can be quick runner type, pressure-air type or air blast mesolow type foaming machine etc., is preferably air blast mesolow type foaming machine, and the model that such as Yuan Hong Machinery Co., Ltd. in Zhangjiagang produces is the special-purpose foaming machine of YH-FPJ06.In order to improve drying efficiency, preferably adopt the baking oven of medium-wave infrared oven drying method during oven dry, its drying mode can be heated at constant temperature, also can heat for segmentation alternating temperature.
Find after deliberation, expansion ratio is too high, then the waterborne polyurethane foaming slurry obtained easily soaks Ji Bu, and can affect the feel of product and dry wet friction degree, therefore expansion ratio controls 1.5 ~ 2 by the present invention.
In addition, the Air Bubble Size adjustment of foaming out due to foaming machine has certain difficulty, easily has slightly larger bubble to be mixed in foamed slurry, be directly used in the words of coating film forming, easily cause the cell size of product to differ, fine and closely woven not, the surface layer of product has the apparent flaws such as concave point.Therefore, in order to make the Air Bubble Size of waterborne polyurethane foaming slurry and be more evenly distributed, the present invention can also setting steps Z after step Y: at room temperature stirred by the slurry high speed dispersor foamed, the viscosity controlling slurry is 5000 ~ 7000cps, mixing time is 30 minutes, and mixing speed is 800 ~ 1200 revs/min.Thus the air pocket existed in foamed slurry is stirred be subdivided into minute bubbles, the abscess of the case and bag coating fabric that the present invention is prepared is finer and closely woven, and distribution of cells is even and in the same size.
The preparation method of environmental protection case and bag coating fabric of the present invention, not only technique simple, be suitable for suitability for industrialized production, and obtained environmental protection case and bag coating fabric surface smoothness is high, soft, has market application foreground widely.
Detailed description of the invention
By describing technology contents of the present invention, structural feature in detail, being realized object and effect, be explained in detail below in conjunction with embodiment.
Embodiment 1
(1) preparating liquid
The fluorine rope of 3 weight portions being sprinkled aqua, the bleeding agent of 0.5 weight portion and the water of 100 weight portions mixes for subsequent use;
(2) liquid prepared is poured in impregnating groove, base cloth to be soaked in liquid and to pad for about 10 seconds with impregnation wheel, then take out base cloth and put into the drying baker upper and lower convection stoving of hot-air of 180 DEG C;
(3) by the calender calendering of the base cloth after oven dry through 140 DEG C;
(4) waterborne polyurethane foaming slurry is prepared
(i) get the high-quality wood powder of 5 weight portions, (model is the blowing agent of 1 weight portion: tulip 801, ST), (model is the foam stabilizer of 3 weight portions: tulip 701, HMW325), the crosslinking agent (model is ms-13) of 1 weight portion, (model is BLPP-201 to the aqueous color paste of 2 weight portions, BLPP-203), the dispersant (model is T-5040) of 1 weight portion, (model is PUD-FM45 to add the waterborne polyurethane resin of 100 weight portions after stirring 3 ~ 5 minutes respectively to, adhesive 901) in, and then add the thickener (model is RST-1) of 0.5 weight portion, adjustment slurry viscosity is to 5000cps, in adding procedure, slurry is constantly stirred, mixing speed is 1200 ~ 1500 rpms,
(ii) at room temperature foamed by foaming machine by the slurry be stirred, the viscosity controlling slurry is 5000cps, and the air mass flow of foaming machine is 50 liters/min, and expansion ratio is 1.5;
(5) the waterborne polyurethane foaming slurry painting cutter prepared is uniformly coated on scrim surfaces, coating thickness is 0.35mm, and coating weight is 200g/m
2, then put into drying baker and dry 2 ~ 3 minutes, bake out temperature is 90 DEG C ~ 150 DEG C.
Embodiment 2
(1) preparating liquid
The fluorine rope of 5 weight portions being sprinkled aqua, the bleeding agent of 1 weight portion and the water of 100 weight portions mixes for subsequent use;
(2) liquid prepared is poured in impregnating groove, base cloth to be soaked in liquid and to pad for about 10 seconds with impregnation wheel, then take out base cloth and put into drying baker and dry, the hot saturated air of 180 DEG C;
(3) by the calender calendering of the base cloth after oven dry through 140 DEG C;
(4) waterborne polyurethane foaming slurry is prepared
(i) get the high-quality wood powder of 8 weight portions, blowing agent (the tulip 801 of 3 weight portions, ST), the Stearyl Amine surfactant of 5 weight portions, the crosslinking agent (ms-13) of 3 weight portions, aqueous color paste (the BLPP-201 of 20 weight portions, BLPP-20), the dispersant (T-5040) of 3 weight portions, waterborne polyurethane resin (the PUD-FM45 of 100 weight portions is added to after stirring 3 ~ 5 minutes respectively, adhesive 901) in, and then add the thickener (RST-1) of 2 weight portions, adjustment slurry viscosity is to 7000cps, in adding procedure, slurry is constantly stirred, mixing speed is 1200 ~ 1500 rpms,
(ii) at room temperature foamed by foaming machine by the slurry be stirred, the viscosity controlling slurry is 7000cps, and the air mass flow of foaming machine is 400 liters/min, and expansion ratio is 2;
(5) the waterborne polyurethane foaming slurry painting cutter prepared is uniformly coated on scrim surfaces, coating thickness is 0.40mm, and coating weight is 300g/m
2, then put into drying baker and dry 2 ~ 3 minutes, bake out temperature is 90 DEG C ~ 150 DEG C.
Embodiment 3
(1) preparating liquid
The fluorine rope of 4 weight portions being sprinkled aqua, the bleeding agent of 0.8 weight portion and the water of 100 weight portions mixes for subsequent use;
(2) liquid prepared is poured in impregnating groove, base cloth to be soaked in liquid and to pad for about 10 seconds with impregnation wheel, then take out base cloth and put into drying baker and dry, the hot saturated air of 180 DEG C;
(3) by the calender calendering of the base cloth after oven dry through 140 DEG C;
(4) waterborne polyurethane foaming slurry is prepared
(i) get the high-quality wood powder of 6 weight portions, blowing agent (the tulip 801 of 2 weight portions, ST), the Stearyl Amine surfactant of 4 weight portions, the crosslinking agent (ms-13) of 2 weight portions, aqueous color paste (the BLPP-201 of 10 weight portions, BLPP-20), the dispersant (T-5040) of 2 weight portions, waterborne polyurethane resin (the PUD-FM45 of 100 weight portions is added to after stirring 3 ~ 5 minutes respectively, adhesive 901) in, and then the thickener (RST-1) adding 1.5 weight portions adjusts slurry viscosity to 6000cps, in adding procedure, slurry is constantly stirred, mixing speed is 1200 ~ 1500 rpms,
(ii) at room temperature foamed by foaming machine by the slurry be stirred, the viscosity controlling slurry is 6000cps, and the air mass flow of foaming machine is 200 liters/min, and expansion ratio is 1.8;
(5) the waterborne polyurethane foaming slurry painting cutter prepared is uniformly coated on scrim surfaces, coating thickness is 0.40mm, and coating weight is 250g/m
2, then put into drying baker and dry 2 ~ 3 minutes, bake out temperature is 90 DEG C ~ 150 DEG C.
Embodiment 4
(1) preparating liquid
The fluorine rope of 4 weight portions being sprinkled aqua, the bleeding agent of 0.8 weight portion and the water of 100 weight portions mixes for subsequent use;
(2) liquid prepared is poured in impregnating groove, base cloth to be soaked in liquid and to pad for about 10 seconds with impregnation wheel, then take out base cloth and put into drying baker and dry, the hot saturated air of 180 DEG C;
(3) by the calender calendering of the base cloth after oven dry through 140 DEG C;
(4) waterborne polyurethane foaming slurry is prepared
(i) get the high-quality wood powder of 6 weight portions, blowing agent (the tulip 801 of 2 weight portions, ST), the Stearyl Amine surfactant of 4 weight portions, the crosslinking agent (ms-13) of 2 weight portions, aqueous color paste (the BLPP-201 of 10 weight portions, BLPP-20), the dispersant (T-5040) of 2 weight portions, waterborne polyurethane resin (the PUD-FM45 of 100 weight portions is added to after stirring 3 ~ 5 minutes respectively, adhesive 901) in, and then the thickener (RST-1) adding 1.5 weight portions adjusts slurry viscosity to 6000cps, in adding procedure, slurry is constantly stirred, mixing speed is 1200 ~ 1500 rpms,
(ii) at room temperature foamed by foaming machine by the slurry be stirred, the viscosity controlling slurry is 6000cps, and the air mass flow of foaming machine is 200 liters/min, and expansion ratio is 1.6;
(iii) at room temperature stirred by the slurry high speed dispersor foamed, the viscosity controlling slurry is 6000cps, and mixing time is 30 minutes, and mixing speed is 800 ~ 1200 revs/min;
(5) the waterborne polyurethane foaming slurry painting cutter prepared is uniformly coated on scrim surfaces, coating thickness is 0.40mm, and coating weight is 250g/m
2, then put into drying baker and dry 2 ~ 3 minutes, bake out temperature is 90 DEG C ~ 150 DEG C.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. a preparation method for environmental protection case and bag coating fabric, is characterized in that, comprises the following steps:
Step 1, waterproof are dried: be arranged in by base through 180 DEG C of hot air dries after padding in liquid, and described liquid is formulated by the water of the fluorine system water-sprinkling agent of 3 ~ 5 weight portions, the bleeding agent of 0.5 ~ 1 weight portion and 100 weight portions;
Step 2, calendering: by the calender calendering of the base cloth after waterproof oven dry through 140 DEG C;
Step 3, coating film forming: the waterborne polyurethane foaming slurry prepared is uniformly coated on scrim surfaces post-drying, coating thickness is 0.35 ~ 0.40mm, and coating weight is 200 ~ 300g/m
2, bake out temperature is 90 DEG C ~ 150 DEG C, and described waterborne polyurethane foaming slurry is prepared by following methods and obtains:
Step X, get the stuffing of 5 ~ 8 weight portions, the blowing agent of 1 ~ 3 weight portion, the foam stabilizer of 3 ~ 5 weight portions, the crosslinking agent of 1 ~ 3 weight portion, the aqueous color paste of 2 ~ 20 weight portions, the dispersant of 1 ~ 3 weight portion, add in the waterborne polyurethane resin of 100 weight portions after stirring 3 ~ 5 minutes respectively, and then add thickener adjustment slurry viscosity to the 5000 ~ 7000cps of 0.5 ~ 2 weight portion, constantly stir slurry in adding procedure, mixing speed is 1200 ~ 1500 rpms;
Step Y, at room temperature foamed by foaming machine by the slurry be stirred, the viscosity controlling slurry is 5000 ~ 7000cps, and the air mass flow of foaming machine is 50 ~ 400 liters/min, and expansion ratio is 1.5 ~ 2 times.
2. the preparation method of environmental protection case and bag coating fabric according to claim 1, is characterized in that: described waterborne polyurethane resin is aliphatic polyester type.
3. the preparation method of environmental protection case and bag coating fabric according to claim 1, is characterized in that: described stuffing is high-quality wood powder.
4. the preparation method of environmental protection case and bag coating fabric according to claim 1, is characterized in that: described foam stabilizer is Stearyl Amine surfactant.
5. the preparation method of environmental protection case and bag coating fabric according to claim 1, is characterized in that: described dispersant is polycarboxylate sodium's type.
6. the preparation method of environmental protection case and bag coating fabric according to claim 1, is characterized in that: described thickener is polyacrylate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210209964.8A CN102747611B (en) | 2012-06-21 | 2012-06-21 | A kind of preparation method of environmental protection case and bag coating fabric |
Applications Claiming Priority (1)
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| CN201210209964.8A CN102747611B (en) | 2012-06-21 | 2012-06-21 | A kind of preparation method of environmental protection case and bag coating fabric |
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| CN102747611A CN102747611A (en) | 2012-10-24 |
| CN102747611B true CN102747611B (en) | 2016-01-20 |
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| Publication number | Publication date |
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| CN102747611A (en) | 2012-10-24 |
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