CN106393857A - Processing method of artificial leather - Google Patents
Processing method of artificial leather Download PDFInfo
- Publication number
- CN106393857A CN106393857A CN201610757492.8A CN201610757492A CN106393857A CN 106393857 A CN106393857 A CN 106393857A CN 201610757492 A CN201610757492 A CN 201610757492A CN 106393857 A CN106393857 A CN 106393857A
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- CN
- China
- Prior art keywords
- leather
- semi
- printing
- elastical cloth
- size
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/02—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch
- B32B9/025—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch comprising leather
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/14—Printing or colouring
- B32B38/145—Printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/08—Animal fibres, e.g. hair, wool, silk
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2437/00—Clothing
Abstract
The invention discloses a processing method of artificial leather. The method comprises the following steps: (1) subjecting animal skin to fur removing, deoiling and degreasing neutralizing treatment, airing and cutting the animal skin to obtain a semi-finished leather piece; (2) cutting elastic fabric into the shape of the semi-finished leather piece, wherein the size of the elastic fabric is set to ensure that the size of the elastic fabric at the pre-stretching state is kept consistent with the size of the semi-finished leather piece; (3) adhering non-woven fabric with one side of the elastic fabric together, trimming the non-woven fabric until the shape and the size of the non-woven fabric are same with the shape and the size of the elastic fabric; (4) uniformly applying adhesive on the meat surface of the semi-finished leather piece, aligning the surface of the semi-finished leather piece with the other side of the elastic fabric, bonding them; spreading and airing them, and releasing the pre-stretching state of the elastic fabric to obtain the leather semi-finished product; (5) performing printing and dyeing by printing and dyeing paper and removing the printing and dyeing paper; (6) processing the leather by using a leather processing treatment agent to obtain a leather finished product. The leather material produced by the method is soft in surface and good in elasticity, the leather is not easy to deform and has the same color, luster and service life with the real leather.
Description
Technical field
The present invention relates to leather processing technique field, specifically a kind of processing method of emulational leather.
Background technology
Natural leather is (typically tanned animal fur to be referred to as fur coat with the bright finish of animal and matte dermatotome processed
Skin) obtain.Because natural leather has softness, ventilative, high resilience, the excellent natural characteristic such as comfortable and easy to wear, wide by people
General for small stores with industrial goods.Skin material product has become an indispensable part in people's daily life, such as skin
The medicated clothings such as the clothes of matter, shoes, the household articless such as the chair of cortex, sofa.People use skin material when, in order to pursue aesthetic feeling and
Level of comfort, and need elastomeric skin material product, such as, many modern womans like wearing leather close-fitting vest mini-skirt, panty girdle,
High-tension boots etc..
However, because corium is expensive, general leather elastic force is relatively low, it is difficult to produce with general leather and can embody human body
Curvaceous fitted garment, after dress a period of time, easily wrinkle in leather surface, and impact is attractive in appearance.Therefore, the inventive method
The good and low-cost skin material of elasticity processing, complies with the market demand, has vast application prospect.
Content of the invention
It is an object of the invention to provide a kind of processing method of the good emulational leather of elasticity.
For achieving the above object, the present invention provides following technical scheme：
A kind of processing method of emulational leather, comprises the following steps：
(1) animal skins carried out unhairing, deoil and defat neutralisation treatment, dry, then cut skin to 0.3mm- with dermatome
0.5mm is thick, obtains semi-finished product skin graft；
(2) preprepared elastical cloth is cut into the shape of semi-finished product skin graft, the size of elastical cloth is to ensure it
In the same size with semi-finished product skin grafts when keeping pretensioned state it is defined；
(3) one side of non-woven fabrics and elastical cloth is bonded together by natural emulsion, prunes non-woven fabrics to elastical cloth
Shapes and sizes；
(4) after uniform application binding agent on the flesh noodles of semi-finished product skin graft, align with the another side of elastical cloth, and by adding
Pressure heating carries out bonding；After the completion of bonding, tiling is dried, and releases the pretensioned state of elastical cloth, obtains semifinished leather products；
(5) semifinished leather products are carried out with paper printing and dyeing of printing and dyeing, then by the fixation treatment of dyestuff, printing and dyeing paper is removed；
(6) with leather processing inorganic agent, leather is processed, obtain leather finish.
As the further scheme of the present invention：In described step (2), the pre-stretching rate of elastical cloth is 5%-20%.
As the further scheme of the present invention：In described step (4), pressurized, heated bonding temp is 138 DEG C -145 DEG C,
Pressure is 2.6MPa-3.0MPa.
As the further scheme of the present invention：In described step (4), binding agent is double-deck hot melt adhesive film.
As the further scheme of the present invention：In described step (1), animal skins are in Corii Sus domestica, Corii Bovis seu Bubali and Corii Caprae seu Oviss
Kind.
Compared with prior art, the invention has the beneficial effects as follows：The leather substance that the present invention produces, not only surface is soft
Soft, elasticity is good, is unlikely to deform, and has the same color and luster of corium and service life.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of processing method of emulational leather, comprise the following steps：
(1) skin pretreatment：
Selected head layer Corii Bovis seu Bubali, carries out unhairing, deoils and defat neutralisation treatment, keeps pH value 5.8 about, dries, then use
Dermatome cuts skin to 0.3mm thickness, obtains semi-finished product skin graft.
(2) cloth pre-stretching：
Preprepared elastical cloth is cut into the shape of semi-finished product skin graft, Assurance of Size its keep pretensioned state
When, and semi-finished product skin graft is in the same size, and the extensibility of elastical cloth is 5%.
(3) cloth is gluing：
The one side of non-woven fabrics and elastical cloth is bonded together by natural emulsion, prunes non-woven fabrics to the shape of elastical cloth
And size.
(4) High Temperature High Pressure bonding：
On the flesh noodles of semi-finished product skin graft, uniform application bilayer hot melt adhesive film, is alignd with the another side of elastical cloth, and passes through
Pressurized, heated carries out bonding, and heating-up temperature is 138 DEG C, and pressure is 3.0MPa；After the completion of bonding, tiling is dried, and releases elasticity
The pretensioned state of cloth, obtains semifinished leather products.
(5) print and dye：
Semifinished leather products are carried out with paper printing and dyeing of printing and dyeing, then by the fixation treatment of dyestuff, printing and dyeing paper is removed.
It is on the mixing paste uniform application printing and dyeing paper of binding agent, natural system paste and auxiliary agent by comprising water solublity synthesis,
Pass through ink jet printing on printing and dyeing paper with printing dye ink, obtain printing and dyeing paper.Water solublity synthesis is binding agent, natural system paste
Mixed proportion with auxiliary agent is 0.65：0.28：0.07.
(6) post processing：
With leather processing inorganic agent, leather is processed, obtain leather finish.
Leather processing inorganic agent by bentonite, tristerin, silicon dioxide, Butylated hydroxyanisole, sodium alginate,
Plant ash, modified cellulose adsorbent and polyoxyethylenated alcohol sodium sulfate composition, its mass percent respectively 10%,
20%th, 15%, 8%, 15%, 18%, 12%, 2%.
Embodiment 2
In the embodiment of the present invention, a kind of processing method of emulational leather, comprise the following steps：
(1) skin pretreatment：
Selected head layer Corii Caprae seu Ovis, carry out unhairing, deoil and defat neutralisation treatment, keep pH value 5.5 about, dry, then use
Cut skin graft machine and cut skin to 0.5mm thickness, obtain semi-finished product skin graft.
(2) cloth pre-stretching：
Preprepared elastical cloth is cut into the shape of semi-finished product skin graft, Assurance of Size its keep pretensioned state
When, and semi-finished product skin graft is in the same size, and the extensibility of elastical cloth is 20%.
(3) cloth is gluing：
The one side of non-woven fabrics and elastical cloth is bonded together by natural emulsion, prunes non-woven fabrics to the shape of elastical cloth
And size.
(4) High Temperature High Pressure bonding：
On the flesh noodles of semi-finished product skin graft, uniform application bilayer hot melt adhesive film, is alignd with the another side of elastical cloth, and passes through
Pressurized, heated carries out bonding, and heating-up temperature is 145 DEG C, and pressure is 2.6MPa；After the completion of bonding, tiling is dried, and releases elasticity
The pretensioned state of cloth, obtains semifinished leather products.
(5) print and dye：
Semifinished leather products are carried out with paper printing and dyeing of printing and dyeing, then by the fixation treatment of dyestuff, printing and dyeing paper is removed.
It is on the mixing paste uniform application printing and dyeing paper of binding agent, natural system paste and auxiliary agent by comprising water solublity synthesis,
Pass through ink jet printing on printing and dyeing paper with printing dye ink, obtain printing and dyeing paper.Water solublity synthesis is binding agent, natural system paste
Mixed proportion with auxiliary agent is 0.72：0.18：0.1.
(6) post processing：
With leather processing inorganic agent, leather is processed, obtain leather finish.
Leather processing inorganic agent by bentonite, organic siliconresin, silicon dioxide, 1-hydroxy ethylidene-1,1-diphosphonic acid, sodium alginate, six
Polymeric sodium metaphosphate., plant ash, modified cellulose adsorbent and polyoxyethylenated alcohol sodium sulfate composition, its mass percent is respectively
For 10%, 20%, 18%, 8%, 10%, 5%, 15%, 10%, 4%.
Embodiment 3
In the embodiment of the present invention, a kind of processing method of emulational leather, comprise the following steps：
(1) skin pretreatment：
Selected head layer Corii Caprae seu Ovis, carry out unhairing, deoil and defat neutralisation treatment, keep pH value 5.6 about, dry, then use
Cut skin graft machine and cut skin to 0.4mm thickness, obtain semi-finished product skin graft.
(2) cloth pre-stretching：
Preprepared elastical cloth is cut into the shape of semi-finished product skin graft, Assurance of Size its keep pretensioned state
When, and semi-finished product skin graft is in the same size, and the extensibility of elastical cloth is 10%.
(3) cloth is gluing：
The one side of non-woven fabrics and elastical cloth is bonded together by natural emulsion, prunes non-woven fabrics to the shape of elastical cloth
And size.
(4) High Temperature High Pressure bonding：
On the flesh noodles of semi-finished product skin graft, uniform application bilayer hot melt adhesive film, is alignd with the another side of elastical cloth, and passes through
Pressurized, heated carries out bonding, and heating-up temperature is 142 DEG C, and pressure is 2.8MPa；After the completion of bonding, tiling is dried, and releases elasticity
The pretensioned state of cloth, obtains semifinished leather products.
(5) print and dye：
Semifinished leather products are carried out with paper printing and dyeing of printing and dyeing, then by the fixation treatment of dyestuff, printing and dyeing paper is removed.
It is on the mixing paste uniform application printing and dyeing paper of binding agent, natural system paste and auxiliary agent by comprising water solublity synthesis,
Pass through ink jet printing on printing and dyeing paper with printing dye ink, obtain printing and dyeing paper.Water solublity synthesis is binding agent, natural system paste
Mixed proportion with auxiliary agent is 0.75：0.12：0.13.
(6) post processing：
With leather processing inorganic agent, leather is processed, obtain leather finish.
Leather processing inorganic agent by bentonite, organic siliconresin, silicon dioxide, 1-hydroxy ethylidene-1,1-diphosphonic acid, sodium alginate, six
Polymeric sodium metaphosphate., plant ash, modified cellulose adsorbent and polyoxyethylenated alcohol sodium sulfate composition, its mass percent is respectively
For 10%, 20%, 18%, 8%, 10%, 5%, 15%, 10%, 4%.
The leather substance that the present invention produces, not only soft surface, elasticity is good, is unlikely to deform, and has corium one
The color and luster of sample and service life.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment only wraps
Containing an independent technical scheme, only for clarity, those skilled in the art should for this narrating mode of description
Using description as an entirety, the technical scheme in each embodiment can also form those skilled in the art through appropriately combined
Understandable other embodiment.
Claims (5)
1. a kind of processing method of emulational leather is it is characterised in that comprise the following steps：
(1) animal skins carried out unhairing, deoil and defat neutralisation treatment, dry, then cut skin to 0.3mm-0.5mm with dermatome
Thickness, obtains semi-finished product skin graft；
(2) preprepared elastical cloth is cut into the shape of semi-finished product skin graft, the size of elastical cloth is to ensure it in guarantor
Hold in the same size with semi-finished product skin grafts during pretensioned state being defined；
(3) one side of non-woven fabrics and elastical cloth is bonded together by natural emulsion, prunes non-woven fabrics to the shape of elastical cloth
And size；
(4) after uniform application binding agent on the flesh noodles of semi-finished product skin graft, align with the another side of elastical cloth, and added by pressurization
Heat carries out bonding；After the completion of bonding, tiling is dried, and releases the pretensioned state of elastical cloth, obtains semifinished leather products；
(5) semifinished leather products are carried out with paper printing and dyeing of printing and dyeing, then by the fixation treatment of dyestuff, printing and dyeing paper is removed；
(6) with leather processing inorganic agent, leather is processed, obtain leather finish.
2. the processing method of emulational leather according to claim 1 is it is characterised in that in described step (2), elastical cloth
Pre-stretching rate be 5%-20%.
3. the processing method of emulational leather according to claim 1 is it is characterised in that in described step (4), pressurization plus
Hot sticky jointing temp is 138 DEG C -145 DEG C, and pressure is 2.6MPa-3.0MPa.
4. the processing method of emulational leather according to claim 1 is it is characterised in that in described step (4), binding agent
For double-deck hot melt adhesive film.
5. the processing method of emulational leather according to claim 1 is it is characterised in that in described step (1), animal skins
For one of Corii Sus domestica, Corii Bovis seu Bubali and Corii Caprae seu Oviss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610757492.8A CN106393857A (en) | 2016-08-29 | 2016-08-29 | Processing method of artificial leather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610757492.8A CN106393857A (en) | 2016-08-29 | 2016-08-29 | Processing method of artificial leather |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106393857A true CN106393857A (en) | 2017-02-15 |
Family
ID=58002518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610757492.8A Pending CN106393857A (en) | 2016-08-29 | 2016-08-29 | Processing method of artificial leather |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106393857A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107419550A (en) * | 2017-08-24 | 2017-12-01 | 宁波大千纺织品有限公司 | A kind of preparation method of simulated leather knitted composite fabric |
| CN112063767A (en) * | 2020-09-04 | 2020-12-11 | 焦作隆丰皮草企业有限公司 | Process for coating elastic leather product gum dyeing and finishing |
| CN112869519A (en) * | 2021-01-25 | 2021-06-01 | 重庆隆发皮革制品有限责任公司 | Leather carpet preparation process |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993003918A1 (en) * | 1991-08-19 | 1993-03-04 | Jelau | Leather-based, elastic composite material |
| CN1425556A (en) * | 2002-12-31 | 2003-06-25 | 王全杰 | High elastic leather and its producing method |
| CN101348024A (en) * | 2008-06-03 | 2009-01-21 | 珠海港丽鞋业有限公司 | Real leather or leather processing technology |
| CN102597364A (en) * | 2009-11-09 | 2012-07-18 | 山本眩士 | Paper printing method for fibrous and leather materials |
| CN103879121A (en) * | 2014-03-19 | 2014-06-25 | 新乡黑田明亮制革有限公司 | Processing method of high-elasticity leather and high-elasticity leather processed by adopting method |
| CN204936358U (en) * | 2015-08-04 | 2016-01-06 | 海宁上元皮革有限责任公司 | A kind of have elastic force and the leather that can shape |
| CN105522772A (en) * | 2015-12-03 | 2016-04-27 | 浙江恒源皮革有限公司 | Full-grain elastic leather and processing technology thereof |
-
2016
- 2016-08-29 CN CN201610757492.8A patent/CN106393857A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993003918A1 (en) * | 1991-08-19 | 1993-03-04 | Jelau | Leather-based, elastic composite material |
| CN1425556A (en) * | 2002-12-31 | 2003-06-25 | 王全杰 | High elastic leather and its producing method |
| CN101348024A (en) * | 2008-06-03 | 2009-01-21 | 珠海港丽鞋业有限公司 | Real leather or leather processing technology |
| CN102597364A (en) * | 2009-11-09 | 2012-07-18 | 山本眩士 | Paper printing method for fibrous and leather materials |
| CN103879121A (en) * | 2014-03-19 | 2014-06-25 | 新乡黑田明亮制革有限公司 | Processing method of high-elasticity leather and high-elasticity leather processed by adopting method |
| CN204936358U (en) * | 2015-08-04 | 2016-01-06 | 海宁上元皮革有限责任公司 | A kind of have elastic force and the leather that can shape |
| CN105522772A (en) * | 2015-12-03 | 2016-04-27 | 浙江恒源皮革有限公司 | Full-grain elastic leather and processing technology thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107419550A (en) * | 2017-08-24 | 2017-12-01 | 宁波大千纺织品有限公司 | A kind of preparation method of simulated leather knitted composite fabric |
| CN112063767A (en) * | 2020-09-04 | 2020-12-11 | 焦作隆丰皮草企业有限公司 | Process for coating elastic leather product gum dyeing and finishing |
| CN112063767B (en) * | 2020-09-04 | 2022-04-01 | 焦作隆丰皮草企业有限公司 | Process for coating elastic leather product gum dyeing and finishing |
| CN112869519A (en) * | 2021-01-25 | 2021-06-01 | 重庆隆发皮革制品有限责任公司 | Leather carpet preparation process |
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