CN1364956A - Moisture permeable artificial leather and its producing process and speical glue coating and moisture permeable pore processing netted roller unit - Google Patents
Moisture permeable artificial leather and its producing process and speical glue coating and moisture permeable pore processing netted roller unit Download PDFInfo
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- CN1364956A CN1364956A CN 01138034 CN01138034A CN1364956A CN 1364956 A CN1364956 A CN 1364956A CN 01138034 CN01138034 CN 01138034 CN 01138034 A CN01138034 A CN 01138034A CN 1364956 A CN1364956 A CN 1364956A
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- moisture permeable
- water
- artificial leather
- permeable artificial
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Abstract
The present invention provides moisture permeable leather and its production process and equipment. The PVC film base material is mixed with water soluble inorganic stuffing and polyurethane elastomer and its glue consists of soft PU adhesive, crosslinking agent, promoter and organic solvnet. The production process includes painting glue to base cloth, pressing to composite, moisture permeable pore processing and rolling of the product. The gluing netted roller unit includes a rubber pressing roller, netted roller and scraper; and the moisture permeable pore processor includes unwinder, leather storing unit, extruding water washing unit, stove, cooler and winder. The artificial leather of the present invention has good moisture permeability.
Description
(1) technical field: the present invention relates to a kind of PVC moisture permeable artificial leather and production technology thereof with and private network roller coat glue, saturating wet hole treating apparatus.
(2) background technology: the PVC moisture permeable artificial leather is mainly used in products such as making clothes, rain cape, gloves.Existing PVC clothing leather rain cape leather has many advantages, as soft, intensity is high, cheap, bright in luster.It is good to make clothing heat insulation.But its not wet thoroughly shortcoming comes out, has worn this clothes, and is moist once movable the inside.This is owing to due to the reason of its structure of matter and processing technology.Domestic and international many R﹠D institutions this problem that just begins one's study before more than ten years is once with all unresolved this thoroughly wet problem of methods such as acupuncture, filling.
The production process of existing PVC artificial leather is checked and accepted bundling operation three by a fabricbase coating process, b calendering procedure and finished product and is partly formed.The fabricbase gluing adopts cutter to be coated with in the fabricbase coating process.Cutter is coated with the back cloth cover and is all covered by adhesive, and fabricbase is not wet thoroughly or vapor transfer rate is very little, can't make wet leather again.
(3) summary of the invention: the object of the present invention is to provide a kind of wet PVC artificial leather and production technology thereof with and private network roller coat glue and saturating wet hole treating apparatus.It is to add to be equipped with the water soluble inorganic salt filler in PVC film base-material.Its proportioning is: 100 parts of PVC resins add inorganic salts filler 60-110 part.The inorganic salts filler is preferably selected KNO3 for use.
The present invention also can add in above-mentioned PVC film base-material again and puts polyurethane elastomer.Its proportioning is: 100 parts of PVC resin addition polymerization ammonia ester elastomer 8-20 parts.
The proportioning that fabricbase of the present invention is coated with glue adhesive agent is: 100 parts of PU soft balsam sticks, crosslinking agent 3-7 part, promoter 2-5 part, organic solvent 6-30 part.Organic solvent is preferably selected MEK for use.
Production technology of the present invention by fabricbase gluing production process, roll compound production process, saturating wet hole process for producing operation and finished product and check and accept bundling operation four and partly form.
The fabricbase gluing adopts net roller coat adhesive dispenser in the fabricbase coating process.Net roller coat adhesive dispenser is made up of rubber roller device, anilox roll device and doctor blade device.Scraper places anilox roll one side, and rubber rollers places the anilox roll upper end.Net is coated with the back adhesive and is spot distribution, has the barrier of no glue simultaneously.The principle of net roller gluing be scraper the whole scrapings of the adhesive of roll surface, having only has adhesive in the mesh, after rubber rollers compressed, the adhesive in the mesh " was squeezed ", and is bonded on the cloth cover.
Wet hole treatment process of the present invention is filler and the water displacement that will be blended in the PVC rete, through washing and extruding, all is dissolved into filler in the water, again artificial leather is dried, just formed continuous small cavity like this in the PVC film, because saturating wet hole is very little, by gas and saturating water only only.
Wet hole treating apparatus of the present invention comprises unwinding device, storage leather device, water of compaction cleaning device, baking oven, cooling device and wrap-up successively, the water of compaction cleaning device comprises rinsing bowl, sparge pipe, compression roller device and water collection sheet device, the water collection sheet device places the rinsing bowl top, the compression roller device places in the water collection sheet device, and sparge pipe places compression roller device the top.
After above-mentioned processing, artificial leather poisture-penetrability of the present invention is good.
(4) description of drawings
Fig. 1 is technological process of production figure of the present invention.
Fig. 2 is coated with the head unit structural representation for former cutter.
Fig. 3 is a net roller coat adhesive dispenser structural representation of the present invention.
Fig. 4,5 is an adhesive distribution enlarged drawing on the fabricbase of the present invention.
Fig. 6 is an anilox roll roll surface pit shape enlarged drawing of the present invention.
Fig. 7 is an air-vent treating apparatus handling process schematic diagram of the present invention.
Fig. 8 is KNO3 filler solubility curve figure of the present invention.
Fig. 9 is washing of the present invention, cooling, water leg arrangement schematic diagram.
Figure 10 is the vertical view of Fig. 9.
(5) specific embodiment:
The present invention relates to a kind of moisture permeable artificial leather and production technology thereof with and private network roller coat glue, saturating wet hole treating apparatus.Existing division is as follows:
One, moisture permeable artificial leather of the present invention is formed by artificial leather rete and the pressing of gummed cloth basic unit.Artificial leather film proportioning is: 100 parts of PVC resins, plasticizer 60-70 part, stabilizing agent 3-4 part, 10 parts of 400 order heavy calcium carbonate fillings, TPU polyurethane elastomer 8-20 part, KNO3 filler 60-110 part and pigment are an amount of.
The TPU polyurethane elastomer is a kind of novel thermoplastic elastomer (TPE), has higher mechanical property, adds in the soft pvc and can improve TENSILE STRENGTH and elongation at break.Can partly remedy owing to there being wet hole to cause the PVC film-strength to descend.This is main effect, also has effect in addition: 1, can improve the calorific intensity of PVC material, help the calendering operation.2, TPU is a kind of enhancing flexibilizer, also is a kind of " permanent type " plasticizer, is continuous phase in the PVC material, can reduce plasticizer and ooze out and move, and stablizes the wet hole structure.3, improve the cold resistance and the elasticity of PVC material.4, the adhesion of raising and fabricbase.
The vapor transfer rate (moisture permeability) of saturating wet hole is to realize by the content and the granularity of regulating filler KNO3.Also relate to fibrous material, the density structural factor of the percentage and the cloth of gluing area.
Fabricbase gluing adhesive ratio of the present invention: 100 parts of PU soft balsam sticks, crosslinking agent 3-9 part, promoter 2-5 part, organic solvent MEK or dimethyl formamide 6-30 part.
Originally being coated with the method coating adhesive with cutter is to use acrylate, saturating wet leather since after using the net roller coat instead glue face and rete contact area tail off, in order to guarantee bond strength, use the PU adhesive instead.The content of PU adhesive work viscosity allotment MEK makes it at 2-2.5mpa.s, and oven temperature is 130-150 ℃.Drying time 20-25 second.
As Fig. 1, production technology of the present invention by fabricbase gluing production process, roll compound production process, saturating wet hole process for producing operation and finished product and check and accept bundling operation four and partly form.
1, fabricbase gluing production process
Comprise successively: put cloth, glue spreading head gluing, oven dry, rolling and be coated with adhesive plaster base technology.
2, calendering production process
To roll workshop section's plasticizing film forming and gluing fabricbase and place make-up machine applying embossing together, again through cooling, section, rolling, leather base (semi-finished product) and gluing fabricbase.
3, saturating wet hole process for producing operation
Saturating wet hole process for producing operation comprises successively: the leather base unreels, stores leather, washing, oven dry, cooling, rolling to finished product.Wherein washing water is by reclaim the recirculation use with the KNO3 crystallisation by cooling.
4, finished product is checked and accepted the bundling operation
Finished product checks and accepts that the bundling operation comprises successively that finished product unreels, check, bundling, packing and finished product warehouse-in.
The wet thoroughly leather production equipment of PVC is on former rolling process PVC artificial leather production equipment basis, forms through the equipment component transformation.The one, the transformation of glue spreading head in a section, the 2nd, add c section air-vent treating apparatus aspect and carry out set forth in detail with regard to these 2.
1, the transformation of glue spreading head in the fabricbase gluing production process.
Exactly original cutter is coated with the net roller coat adhesive dispenser that head unit (Fig. 2) makes Fig. 3 into.Net roller coat adhesive dispenser is made up of rubber roller device 1, anilox roll device 3 and doctor blade device 2.Scraper places anilox roll one side, and rubber rollers places the anilox roll upper end.As Fig. 2, cutter is coated with the back cloth cover and is all covered by adhesive, and fabricbase is not wet thoroughly or vapor transfer rate is very little, can't make wet leather again.Net is coated with 5 one-tenth spot distribution of back adhesive, has the barrier of no glue simultaneously, shown in Fig. 4,5.Fig. 6 is an anilox roll roll surface small rut shape enlarged drawing.The principle of net roller gluing be scraper the whole scrapings of the adhesive of roll surface, taper pitting in the side's of having only has adhesive for 6 li, after rubber rollers compressed, the adhesive in the small rut " was squeezed ", and is bonded on the cloth cover.
2, saturating wet hole treating apparatus
The effect of saturating wet hole treating apparatus is filler and the water displacement that will be blended in the PVC rete, through washing and the extruding of a plurality of pair roller, all be dissolved in the water filler, again artificial leather is dried, just formed continuous small cavity like this in the PVC film, because saturating wet hole has only the little of 0.015-0.022 diameter, by gas and saturating water only only.As Fig. 7, saturating wet hole treating apparatus comprises successively; Unwinding device 7, storage leather device 8, water of compaction cleaning device 9, baking oven 10, cooling device 11 and wrap-up 12, water of compaction cleaning device 9 comprises rinsing bowl 16, sparge pipe 13, compression roller device 15 and water collection sheet device 14.Water collection sheet device 14 places rinsing bowl 16 tops, and compression roller device 15 places in the water collection sheet device 14, and sparge pipe 13 places compression roller device 15 the tops.
As Fig. 8, as can be seen according to the dissolution properties of filler KNO3 in water: 1, can deliquescence in air, 2, solubility is very low under the low temperature, along with the rising of temperature, solubility swashs acute the raising, 100 gram water dissolvable, 246 gram KNO3 when 100 ℃ of water temperatures.
According to above reason, also be provided with a water leg 18 and a cooling bath 20 on rinsing bowl 16 next doors, cooling bath 20 links to each other with water leg 18 with rinsing bowl 16 respectively.As Fig. 9,10, the wash water groove 16 and 18 ends of water leg, all have deep fat radiating tube 17 that water temperature is heated to 80-90 °, and 19 is deflector roll.The water of water leg 18 is got to 13 li of sparge pipes with pump, water down drenches from uppermost pair of rolls, the leather base then moves from the bottom up from nethermost pair of rolls, washings are dirty by roller, be collected in the rinsing bowl, the mixing water that contains KNO3 in the rinsing bowl overflows and flows to cooling bath, cooling bath bottom interlayer is connected with 2-4 ℃ cooling water, KNO3 in cooling bath along with the single-frame crystallization of reduction of water temperature, be KNO3 content extremely low " clear water " at last, " clear water " returns water leg and heats usefulness again, and water is recycled like this.The KNO3 that crystallization is reclaimed also recycles after pulverizing.
Claims (11)
1, a kind of moisture permeable artificial leather is formed by PVC film and the pressing of gluing fabricbase, it is characterized in that adding in the PVC film base-material putting the water soluble inorganic salt filler.
2, a kind of moisture permeable artificial leather according to claim 1 is characterized in that adding in the PVC film base-material and is equipped with polyurethane elastomer.
3, a kind of moisture permeable artificial leather according to claim 1 is characterized in that the proportioning of inorganic salts filler is: 100 parts of PVC resins add inorganic salts filler 60-110 part.
4, a kind of moisture permeable artificial leather according to claim 2 is characterized in that the proportioning of polyurethane elastomer is: 100 parts of PVC resin addition polymerization ammonia ester elastomer 8-20 parts.
5,, it is characterized in that inorganic salts are KNO3 according to claim 1 or 3 described a kind of moisture permeable artificial leathers.
6, a kind of moisture permeable artificial leather according to claim 1 is characterized in that fabricbase gluing adhesive ratio is: 100 parts of PU soft balsam sticks, crosslinking agent 3-7 part, promoter 2-5 part, organic solvent 6-30 part.
7, a kind of moisture permeable artificial leather according to claim 6 is characterized in that organic solvent is MEK or dimethyl formamide.
8, the production technology of a kind of moisture permeable artificial leather according to claim 1, it is characterized in that it comprises that fabricbase gluing, compound, the saturating wet hole of calendering are handled and finished product is checked and accepted the bundling operation, saturating wet hole treatment process is filler and the water displacement that will be blended in the PVC rete, through washing and extruding, filler all is dissolved in the water, again artificial leather is dried.
9, a kind of moisture permeable artificial leather according to claim 1 fabricbase gluing net roller coat adhesive dispenser, it is characterized in that it comprises rubber roller device (1), anilox roll device (3) and doctor blade device (2), scraper places anilox roll one side, and rubber rollers places the anilox roll upper end.
10, a kind of moisture permeable artificial leather according to claim 1 is with saturating wet hole treating apparatus, it is characterized in that it comprises successively: unwinding device (7), storage leather device (8), water of compaction cleaning device (9), baking oven (10), cooling device (11) and wrap-up (12), water of compaction cleaning device (9) comprises rinsing bowl (16), sparge pipe (13), compression roller device (15) and water collection sheet device (14), water collection sheet device (14) places rinsing bowl (16) top, compression roller device (15) places in the water collection sheet device (14), and sparge pipe (13) places compression roller device (15) the top.
11, a kind of moisture permeable artificial leather according to claim 11 is with saturating wet hole treating apparatus, it is characterized in that other water leg (18) and the cooling bath (20) of being provided with of rinsing bowl (16), cooling bath (20) links to each other with water leg (18) with rinsing bowl (16) respectively, wash water groove (16) and the interior having heaters of water leg (18) (17), the cooling bath interlayer is connected with cooling fluid in (17), water in the water leg (18) is got to sparge pipe (13) lining, and the water of rinsing bowl (16) lining overflows and flows into cooling bath (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011380349A CN1148482C (en) | 2001-12-21 | 2001-12-21 | Moisture permeable artificial leather and its producing process and speical glue coating and moisture permeable pore processing netted roller unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011380349A CN1148482C (en) | 2001-12-21 | 2001-12-21 | Moisture permeable artificial leather and its producing process and speical glue coating and moisture permeable pore processing netted roller unit |
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| Publication Number | Publication Date |
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| CN1364956A true CN1364956A (en) | 2002-08-21 |
| CN1148482C CN1148482C (en) | 2004-05-05 |
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| CNB011380349A Expired - Fee Related CN1148482C (en) | 2001-12-21 | 2001-12-21 | Moisture permeable artificial leather and its producing process and speical glue coating and moisture permeable pore processing netted roller unit |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101914855A (en) * | 2010-08-06 | 2010-12-15 | 胡新佳 | Woven coated fabric by roll coating type method and preparation method thereof |
| CN101982604A (en) * | 2010-11-01 | 2011-03-02 | 张瑜 | Water-proof air-permeable polyurethane synthetic leather and preparation method thereof |
| CN102041687A (en) * | 2010-11-01 | 2011-05-04 | 张瑜 | Waterproof ventilated synthetic leather and preparation method thereof |
| CN104553198A (en) * | 2015-01-16 | 2015-04-29 | 江苏美誉虹新材料科技有限公司 | Novel PVC material for sauna tub |
| CN106436342A (en) * | 2016-11-15 | 2017-02-22 | 福建华夏合成革有限公司 | Ultra-soft protein synthetic leather and preparing method thereof |
| CN106723552A (en) * | 2016-12-26 | 2017-05-31 | 东丽酒伊织染（南通）有限公司 | A kind of eiderdown shell fabric and preparation method thereof |
| CN111893776A (en) * | 2020-08-10 | 2020-11-06 | 河北玉鑫工贸有限公司 | Processing method of polyvinyl chloride coated tarpaulin |
| CN112547409A (en) * | 2020-11-20 | 2021-03-26 | 德清江明新材料有限公司 | Be used for PVC production with calendering tanning rolling equipment fast |
| CN115262238A (en) * | 2022-09-27 | 2022-11-01 | 吴江市汉塔纺织整理有限公司 | Waterproof breathable polyurethane coating and sea-island wet preparation method thereof |
-
2001
- 2001-12-21 CN CNB011380349A patent/CN1148482C/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101914855A (en) * | 2010-08-06 | 2010-12-15 | 胡新佳 | Woven coated fabric by roll coating type method and preparation method thereof |
| CN101982604A (en) * | 2010-11-01 | 2011-03-02 | 张瑜 | Water-proof air-permeable polyurethane synthetic leather and preparation method thereof |
| CN102041687A (en) * | 2010-11-01 | 2011-05-04 | 张瑜 | Waterproof ventilated synthetic leather and preparation method thereof |
| CN104553198A (en) * | 2015-01-16 | 2015-04-29 | 江苏美誉虹新材料科技有限公司 | Novel PVC material for sauna tub |
| CN104553198B (en) * | 2015-01-16 | 2017-05-10 | 江苏美誉虹新材料科技有限公司 | Novel PVC material for sauna tub |
| CN106436342B (en) * | 2016-11-15 | 2019-05-21 | 福建华夏合成革有限公司 | A kind of ultra-soft protein synthetic leather and preparation method thereof |
| CN106436342A (en) * | 2016-11-15 | 2017-02-22 | 福建华夏合成革有限公司 | Ultra-soft protein synthetic leather and preparing method thereof |
| CN106723552A (en) * | 2016-12-26 | 2017-05-31 | 东丽酒伊织染（南通）有限公司 | A kind of eiderdown shell fabric and preparation method thereof |
| CN111893776A (en) * | 2020-08-10 | 2020-11-06 | 河北玉鑫工贸有限公司 | Processing method of polyvinyl chloride coated tarpaulin |
| CN111893776B (en) * | 2020-08-10 | 2021-04-23 | 河北玉鑫工贸有限公司 | Processing method of polyvinyl chloride coated tarpaulin |
| CN112547409A (en) * | 2020-11-20 | 2021-03-26 | 德清江明新材料有限公司 | Be used for PVC production with calendering tanning rolling equipment fast |
| CN115262238A (en) * | 2022-09-27 | 2022-11-01 | 吴江市汉塔纺织整理有限公司 | Waterproof breathable polyurethane coating and sea-island wet preparation method thereof |
| CN115262238B (en) * | 2022-09-27 | 2023-01-03 | 吴江市汉塔纺织整理有限公司 | Waterproof breathable polyurethane coating and sea-island wet preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN1148482C (en) | 2004-05-05 |
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