CN105220512A - A kind of production method of water-based leather - Google Patents
A kind of production method of water-based leather Download PDFInfo
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- CN105220512A CN105220512A CN201510720970.3A CN201510720970A CN105220512A CN 105220512 A CN105220512 A CN 105220512A CN 201510720970 A CN201510720970 A CN 201510720970A CN 105220512 A CN105220512 A CN 105220512A
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Abstract
The invention discloses a kind of production method of water-based leather, belong to weaving face fabric production field.This invention in turn includes the following steps: configuration slurry, and slurry viscosity is 1500cps ~ 2500cps; Woven fabric impregnation, is sent to woven fabric in the hopper containing slurry and carries out impregnation, and dry rolling; Dry-process production line bonds, and release liners is applied solventless coatings and adhesive successively, and the woven fabric after impregnation and release liners are carried out bonding makes leather, dries rolling after cooling; Printing machine is covered with paint, lacquer, colour wash, etc., and adopt 120 object printings to cover with paint, lacquer, colour wash, etc. wheel, under the pressure of 2kg, leather treatment is evenly applied to leather surface, boarding machine is washed, and adopts boarding machine to be carried out washing and drying by the leather made; Obtain water-based leather finish after the assay was approved, warehouse-in.Production technology of the present invention is simple, and production cost is low, and the cohesiveness of product is stronger, enhances the feature of environmental protection and the comfortableness of product, meets the needs used.
Description
Technical field
The invention belongs to weaving face fabric production field, particularly relate to a kind of production method of water-based leather.
Background technology
Leather can be divided into corium, regenerated bark, artificial leather and synthetic leather by the difference of manufacture, due to the scarcity of resources of corium, and it is expensive, along with quick raising and the improvement of leather production and processing technology, the production technology of artificial leather is more and more ripe, and performance is also become better and better, and it is more and more that artificial leather is applied in our daily life, be commonly used and make various leather and fur products, or the leather material of Substitute For Partial.Existing PU series products production procedure: batching center is according to technical formula list preparation slurry and adjustment color, according to customer requirement, choose required release liners, then coating in release liners, and paste bass, extrude through roller, bass and dry method finishing coat are bonded, finally dry, cooling, rolling, the semi-finished product produced are coating fabrics, eventually pass printing, rub line, inspection warehouse-in, there is feature of environmental protection difference in existing dermatine technique, raw material often can use toluene when using, methyl ethyl ketone, the hazardous solvents such as dimethyl formamide, oleoresin is made to produce injury to human body, serious environmental pollution can be caused, and Boardy Feeling, fabric comfort level and pliability can not meet the problems such as consumer demand.
Other are also had now to manufacture the method for water-based leather, if publication date is on May 1st, 2013, publication number is in the Chinese invention patent of CN103074778A, disclose a kind of preparation method of water-based leather, this water-based leather comprises the steps: first to overlay on above knitted cloth by release liners, then in release liners, drying and shaping is used after blade coating aqueous covercoat coating, then blade coating aqueous binder layer post-drying on aqueous covercoat, finally again release liners is separated, remaining material is water-based leather, although this processing method has all used aqueous materials in whole production process, the feature of environmental protection is guaranteed, but this water-based leather is comparatively slim, feel and comfort level poor, and adhesion type is poor, cause the leather quality produced poor, and be difficult to Long-Time Service, be difficult to meet and use needs normally.
Summary of the invention
Technical problem to be solved by this invention overcomes above-mentioned deficiency existing in prior art, and provide a kind of production technology simple, and production cost is low, and the cohesiveness of product is stronger, enhances the production method of the water-based leather of the product feature of environmental protection and comfortableness.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of production method of water-based leather, is characterized in that: in turn include the following steps:
(1) configure slurry, this pulp bales is containing the raw material of following weight parts: water-base resin 100 parts, color 5 parts, aqueous promoter 0.2 part, after being mixed by above-mentioned raw materials, utilizes mixer to stir 15 ~ 20 minutes, mixing speed is 1500rpm, and slurry viscosity is adjusted to 1500cps ~ 2500cps;
(2) woven fabric impregnation, woven fabric is evened up through needle plate sizing, woven fabric is transmitted with the linear velocity of 12m/min, by the temperature of 80 DEG C, woven fabric is heated, then the woven fabric after heating is conveyed into hopper and carries out impregnation, store slurry of configuration in (1) in steps in hopper, then the temperature of the woven fabric after impregnation with 100 DEG C is dried, to be cooledly after 5 DEG C ~ 8 DEG C, woven fabric is carried out rolling;
(3) dry-process production line bonding, release liners is at the uniform velocity transmitted, release liners evenly coats ground floor solventless coatings, solventless coatings thickness is 0.18mm, by the temperature of 110 DEG C, release liners is dried, to be cooledly after 3 DEG C ~ 5 DEG C, in release liners, evenly coat second layer solventless coatings, solventless coatings thickness is 0.15mm, by the temperature of 100 DEG C, release liners is dried, to be cooled to after 3 DEG C ~ 5 DEG C in release liners even coated with adhesive, adhesive thickness is 0.12mm, by the temperature of 50 DEG C, release liners is heated, adopt the pressure of 0.5kg that woven fabric after impregnation in release liners and step (2) is carried out bonding again and make leather, dry by the temperature of 140 DEG C, to be cooled to rolling after 3 DEG C ~ 5 DEG C and cutting edge, winding wire speed is 18m/min,
(4) printing machine is covered with paint, lacquer, colour wash, etc., adopt 120 object printings to cover with paint, lacquer, colour wash, etc. wheel and leather treatment is evenly applied to the leather surface made in step (3) under the pressure of 2kg, leather treatment coating content is 13g/ ㎡, by the temperature of 115 DEG C, release liners is dried again, to be cooledly after 3 DEG C ~ 5 DEG C, carry out rolling, winding wire speed is 28m/min;
(5) boarding machine washing, after adopting boarding machine to be washed by the leather made in step (4), first extracted by leather with squeezing machine, the pressure of squeezing machine is 1.5kg, then uses the temperature of 120 DEG C ~ 150 DEG C to be dried by leather;
(6) water-based leather finish is obtained after the assay was approved, warehouse-in.
Further, in described step (1), water-base resin comprises at least one in polyether resin and polyurethane resin.
The present invention compared with prior art, there is following advantage and effect: the present invention is mainly used in improving the environmental-protecting performance of the family property such as sofa, seat fabric, real realization uses the raw material of aqueous, environmental protective, and production technology is simple, and production cost is lower, in the production process of whole water-based leather, of reduced contamination to environment, the leather bonds produced is better, can use by long period, and feel is better, has possessed the flexibility of sheepskin, plumpness and solid sense.
By stopping completely to use the hazardous solvents such as toluene, methyl ethyl ketone, dimethyl formamide on raw material, avoid oleoresin and injury is produced to human body, use resin and solvent-free raw material replace chemical material, reduce harmfulness, enhance the feature of environmental protection and the comfortableness of product; By carrying out impregnation by woven fabric transport process storing in the hopper having slurry, woven fabric is made to affix oar material on cloth silk fiber, and then carry out the technological processes such as bonding, make the cohesiveness of the product produced stronger, improve feel and the comfortableness of product; By in release liners successively applied in two coats solventless coatings and adhesive, and the woven fabric after impregnation and release liners are carried out bonding make leather, make the leather made more abundant and full; Wash by printing machine covering with paint and boarding machine and dry and make finished product, the glossiness of product can be improved, increase the flexibility of product, strengthen the degree of folding of product, improve the quality of water-based leather, meet the needs used.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the production method of a kind of water-based leather of the present invention.
Detailed description of the invention
In order to further describe the present invention, set forth a kind of detailed description of the invention of production method of water-based leather further below in conjunction with accompanying drawing, following examples are explanation of the invention and the present invention is not limited to following examples.
See Fig. 1, the production method of the water-based leather in the present embodiment in turn includes the following steps:
(1) slurry is configured, this pulp bales is containing the raw material of following weight parts: water-base resin 100 parts, color 5 parts, aqueous promoter 0.2 part, water-base resin comprises at least one in polyether resin and polyurethane resin, after above-mentioned raw materials is mixed, mixer is utilized to stir 15 ~ 20 minutes, mixing speed is 1500rpm, slurry viscosity is adjusted to 1500cps ~ 2500cps, avoids oleoresin and produce injury to human body, use resin and solvent-free raw material replace chemical material, reduce harmfulness, enhance the feature of environmental protection and the comfortableness of product.
(2) woven fabric impregnation, woven fabric is evened up through needle plate sizing, woven fabric is transmitted with the linear velocity of 12m/min, by the temperature of 80 DEG C, woven fabric is heated, then the woven fabric after heating is conveyed into hopper and carries out impregnation, the slurry of (1) in steps middle configuration is stored in hopper, again the temperature of the woven fabric after impregnation with 100 DEG C is dried, to be cooledly after 5 DEG C ~ 8 DEG C, woven fabric is carried out rolling, woven fabric is made to affix oar material on cloth silk fiber, and then carry out the technological processes such as bonding, make the cohesiveness of the product produced stronger, improve feel and the comfortableness of product.
(3) dry-process production line bonding, release liners is at the uniform velocity transmitted, release liners evenly coats ground floor solventless coatings, solventless coatings thickness is 0.18mm, by the temperature of 110 DEG C, release liners is dried, to be cooledly after 3 DEG C ~ 5 DEG C, in release liners, evenly coat second layer solventless coatings, solventless coatings thickness is 0.15mm, by the temperature of 100 DEG C, release liners is dried, to be cooled to after 3 DEG C ~ 5 DEG C in release liners even coated with adhesive, adhesive thickness is 0.12mm, by the temperature of 50 DEG C, release liners is heated, adopt the pressure of 0.5kg that woven fabric after impregnation in release liners and step (2) is carried out bonding again and make leather, dry by the temperature of 140 DEG C, to be cooled to rolling after 3 DEG C ~ 5 DEG C and cutting edge, winding wire speed is 18m/min, by in release liners successively applied in two coats solventless coatings and adhesive, and the woven fabric after impregnation and release liners are carried out bonding make leather, make the leather made more abundant and full.
(4) printing machine is covered with paint, lacquer, colour wash, etc., adopt 120 object printings to cover with paint, lacquer, colour wash, etc. wheel and leather treatment is evenly applied to the leather surface made in step (3) under the pressure of 2kg, leather treatment coating content is 13g/ ㎡, by the temperature of 115 DEG C, release liners is dried again, to be cooledly after 3 DEG C ~ 5 DEG C, carry out rolling, winding wire speed is 28m/min, improves glossiness and the feel of leather surface.
(5) boarding machine washing, after adopting boarding machine to be washed by the leather made in step (4), first with squeezing machine, leather is extracted, the pressure of squeezing machine is 1.5kg, the temperature of 120 DEG C ~ 150 DEG C is used to be dried by leather again, to remove impurity, increase the flexibility of product, strengthen the fold sense of product.
(6) water-based leather finish is obtained after the assay was approved, warehouse-in.
Above content described in this description is only made for the present invention illustrating.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment; only otherwise depart from the content of description of the present invention or surmount this scope as defined in the claims, protection scope of the present invention all should be belonged to.
Claims (2)
1. a production method for water-based leather, is characterized in that: in turn include the following steps:
(1) configure slurry, this pulp bales is containing the raw material of following weight parts: water-base resin 100 parts, color 5 parts, aqueous promoter 0.2 part, after being mixed by above-mentioned raw materials, utilizes mixer to stir 15 ~ 20 minutes, mixing speed is 1500rpm, and slurry viscosity is adjusted to 1500cps ~ 2500cps;
(2) woven fabric impregnation, woven fabric is evened up through needle plate sizing, woven fabric is transmitted with the linear velocity of 12m/min, by the temperature of 80 DEG C, woven fabric is heated, then the woven fabric after heating is conveyed into hopper and carries out impregnation, store slurry of configuration in (1) in steps in hopper, then the temperature of the woven fabric after impregnation with 100 DEG C is dried, to be cooledly after 5 DEG C ~ 8 DEG C, woven fabric is carried out rolling;
(3) dry-process production line bonding, release liners is at the uniform velocity transmitted, release liners evenly coats ground floor solventless coatings, solventless coatings thickness is 0.18mm, by the temperature of 110 DEG C, release liners is dried, to be cooledly after 3 DEG C ~ 5 DEG C, in release liners, evenly coat second layer solventless coatings, solventless coatings thickness is 0.15mm, by the temperature of 100 DEG C, release liners is dried, to be cooled to after 3 DEG C ~ 5 DEG C in release liners even coated with adhesive, adhesive thickness is 0.12mm, by the temperature of 50 DEG C, release liners is heated, adopt the pressure of 0.5kg that woven fabric after impregnation in release liners and step (2) is carried out bonding again and make leather, dry by the temperature of 140 DEG C, to be cooled to rolling after 3 DEG C ~ 5 DEG C and cutting edge, winding wire speed is 18m/min,
(4) printing machine is covered with paint, lacquer, colour wash, etc., adopt 120 object printings to cover with paint, lacquer, colour wash, etc. wheel and leather treatment is evenly applied to the leather surface made in step (3) under the pressure of 2kg, leather treatment coating content is 13g/ ㎡, by the temperature of 115 DEG C, release liners is dried again, to be cooledly after 3 DEG C ~ 5 DEG C, carry out rolling, winding wire speed is 28m/min;
(5) boarding machine washing, after adopting boarding machine to be washed by the leather made in step (4), first extracted by leather with squeezing machine, the pressure of squeezing machine is 1.5kg, then uses the temperature of 120 DEG C ~ 150 DEG C to be dried by leather;
(6) water-based leather finish is obtained after the assay was approved, warehouse-in.
2. the production method of a kind of water-based leather according to claim 1, is characterized in that: in described step (1), water-base resin comprises at least one in polyether resin and polyurethane resin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510720970.3A CN105220512A (en) | 2015-10-30 | 2015-10-30 | A kind of production method of water-based leather |
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| CN201510720970.3A CN105220512A (en) | 2015-10-30 | 2015-10-30 | A kind of production method of water-based leather |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106087440A (en) * | 2016-07-15 | 2016-11-09 | 浙江申腾涂层织物有限公司 | A kind of production method of aqueous synthesis of artificial leather |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106087440A (en) * | 2016-07-15 | 2016-11-09 | 浙江申腾涂层织物有限公司 | A kind of production method of aqueous synthesis of artificial leather |
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