CN103029302A - Process for producing synthetic leather by using composite material - Google Patents
Process for producing synthetic leather by using composite material Download PDFInfo
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- CN103029302A CN103029302A CN2011103014159A CN201110301415A CN103029302A CN 103029302 A CN103029302 A CN 103029302A CN 2011103014159 A CN2011103014159 A CN 2011103014159A CN 201110301415 A CN201110301415 A CN 201110301415A CN 103029302 A CN103029302 A CN 103029302A
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Abstract
The invention relates to a process for producing synthetic leather by using composite materials, in particular to a process capable of producing synthetic leather by using polyolefin as raw materials. The process sequentially comprises the steps of proportioning, material agitating, material extrusion, cutting, primary cooling, oil pressure foaming, secondary cooling, electric fusing, slicing, bonding, surface treatment, embossing treatment, product inspection, packaging and the like. Imitation leather is obtained through the steps and can be widely used for objects made of imitation leather; and the objects made of imitation leather have the advantage of low production cost compared with objects made of real leather.
Description
Technical field
The present invention relates to a kind of composite making synthetic leather journey, relate in particular to a kind of composite making synthetic leather journey take polyolefin as raw material.
Background technology
The basic comprising of leatheret is one deck fabric, and pastes one deck soft plastic epithelium at fabric; Fabric wherein can be wherein a kind of made such as cotton, fiber crops, rayon, nylon, polyester, polyethylene, polypropylene, acryl, soft plastic then can be any flexible touch is arranged, through plasticizing or unplasticised plastic material; Sometimes for obtaining better sense of touch and insulation, the purpose such as shockproof, also can increase by a foaming layer between fabric and epithelium, foaming layer can be used the base material identical with skin membrane, also can be the foreign material with the skin membrane compatibility; Add man-hour specific the application such as high frequency welding, fabric can affect foaming layer or cortex and by the then welding of thing, just must remove tissue layer this moment.
The application of leatheret product is very extensive, such as the equal visible leatheret of the goods such as automobile inside, suitcase, leather trunk, sack made by leather, clothing, footwear.Leatheret can be applied to the processing methods such as seam, glutinous, subsides and high frequency welding when being processed into goods, wherein especially with the most normal being used of high frequency welding processing because it have process time short, can then and can be shaped to simultaneously the advantage such as given shape; Wish row high frequency welding must be to be fused material with to a certain degree polarity, and polar molecule is quick rotation under the inducing of high frequency, thus the frictional heat in the trigger molecule and make material softening even melting; Synthetic material with polarity is the most common with PU, PVC and TPU, also is widely used in the upper of leatheret product.
In view of the application of leatheret is increasingly extensive, the inventor namely releases a kind of " composite making synthetic leather journey ", its be a kind of can be the processing procedure that raw material is made into synthetic skin with polyolefin, to be widely used in the object of leather-imitation demand.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcomes the defects that prior art exists, and a kind of composite making synthetic leather journey is provided, and can be widely used in the object of anti-cladding demand, and the object of corium demand has than low production cost relatively.
The technical solution adopted for the present invention to solve the technical problems is:
For reaching aforementioned goal of the invention, the present invention's " composite making synthetic leather journey " is sequentially to include the following step:
Batching: raw material is mixed according to the ratio of setting, its raw material includes main material and formula material, wherein main material includes 12%～20% PP, 12%～22%% EPDM, 30%～42% EVA and 24%～30% POE, formula material is to include filler, blowing agent, DCP and ZNO, wherein the dosage of filler is 20%～25% of main material relative scale, the dosage of blowing agent is 1%～3% of main material relative scale, the dosage of DCP is 0.7%～1.0% of main material relative scale, and the dosage of ZNO is 1%～1.5% of main material relative scale.
Dnockout: with the adding pressure type banbury raw material that mixes is added thermal agitation, raw material is filled part mix and present thick.
Binder: extrude presenting thick raw material with the roller extruder, make raw material present the lamellar body kenel.
Cut: the raw material that will present the lamellar body kenel cuts, and makes raw materials size be able to the mould of corresponding follow-up hydraulic press.
For the first time cooling: make the sheet-shaped material cooling in the mode of leaving standstill.
Oil pressure foaming: sheet-shaped material is inserted in the die of hydraulic machine, and with hydraulic press to raw material carry out high pressure, construction at high temperature makes its foaming, makes foamed product present bulk and the flexible kenel of tool.
For the second time cooling: the finished product that will foam leaves standstill cooling.
Electricity connects: will finish the leather-imitation of foaming operation in high-temperature electric heat welding mode, and several leather-imitations will be connected to the leather-imitation of continuous shape.
Cut open sheet: on demand leather-imitation is carried out thickness and cut open and split.
Product examine packing: the quality of check leather-imitation, and the leather-imitation that will meet quality requirement is packed.
Aforementioned composite making synthetic leather journey is to include an applying step in cuing open between sheet step and product examine packaging step, and this applying step is with glue or glued membrane and cloth or base material bonding with the leather-imitation one side.
Aforementioned composite making synthetic leather journey is to include a surface treatment step between applying step and product examine packaging step, and this surface treatment step is simultaneously to spray or the various Functional Chemicals of application at leather-imitation, processes as the leather-imitation surface optimization.
Aforementioned composite making synthetic leather journey is to include an embossing treatment step between surface treatment step and product examine packaging step, simultaneously presses the pyrograph line in leather-imitation after leather-imitation is heated and with the knurling tool of low temperature.
Aforementioned first time, its time of repose of cooling step was 2 to 4 hours.
Aforementioned second time, its time of repose of cooling step was 48 hours.
Its chemicals that is sprayed on the leather-imitation one side of aforementioned surfaces treatment step is the antimicrobial chemical medicament.
Its chemicals that is sprayed on the leather-imitation one side of aforementioned surfaces treatment step is bright and processes chemical agent.
Its chemicals that is sprayed on the leather-imitation one side of aforementioned surfaces treatment step is that cloudy surface is processed chemical agent.
Its chemicals that is sprayed on the leather-imitation one side of aforementioned table and treatment step is that chemical agent is processed in on-slip.
The invention has the beneficial effects as follows that can be widely used in the object of anti-cladding demand, the object of corium demand has than low production cost relatively.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the making step flow chart of composite making synthetic leather journey of the present invention.
The number in the figure explanation:
10 batchings, 11 dnockouts
12 binders 13 cut
14 cool off the foaming of 15 oil pressure for the first time
16 cool off 17 electricity for the second time connects
18 cut open sheet 19 product examines packing
21 applyings, 22 surface treatments
23 embossing are processed
The specific embodiment
The present invention is relevant a kind of composite making synthetic leather journey, be a kind of be making synthetic leather journey as raw material take polyolefin, see also shown in Figure 1ly, the present invention's " composite making synthetic leather journey " is sequentially to include the following step:
Batching 10: raw material is mixed according to the ratio of setting, its raw material includes main material and formula material, wherein main material includes 12%～20% PP, 12%～22%% EPDM, 30%～42% EVA and 24%～30% POE, formula material is to include filler, blowing agent, DCP and ZNO, wherein the dosage of filler is 20%～25% of main material relative scale, the dosage of blowing agent is 1%～3% of main material relative scale, the dosage of DCP is 0.7%～1.0% of main material relative scale, and the dosage of ZNO is 1%～1.5% of main material relative scale.
Dnockout 11: with the adding pressure type banbury raw material that mixes is added thermal agitation, raw material is filled part mix and present thick.
Binder 12: extrude presenting thick raw material with the roller extruder, make raw material present the lamellar body kenel, its Raw extrudes thickness take 18 inch or 22 inch as best.
Cut 13: the raw material that will present the lamellar body kenel cuts, and makes raw materials size be able to the mould of corresponding follow-up hydraulic press.
For the first time cool off 14: in the mode of leaving standstill sheet-shaped material is cooled off naturally, and this cool off for the first time its time of repose of 14 steps be 2 to 4 hours be good.
Oil pressure foaming 15: sheet-shaped material is inserted in the die of hydraulic machine, and with hydraulic press to raw material carry out high pressure, construction at high temperature makes its foaming, makes foamed product present bulk and the flexible kenel of tool.
For the second time cool off 16: the finished product that will foam leaves standstill cooling, and this cool off for the second time its time of repose of 16 steps be 48 hours be good.
Electricity connects 17: will finish the leather-imitation of foaming operation in high-temperature electric heat welding mode, several leather-imitations are connected to the leather-imitation of continuous shape, and be furled in order to leather-imitation and take in.
Cut open sheet 18: on demand leather-imitation is carried out thickness and cut open and split, finishing after this step has been the synthetic most basic semi-finished product kenel of skin of composite, and described semi-finished product kenel refers to reach the most basic kenel that can peddle.
Product examine packing 19: the quality of check leather-imitation, and the leather-imitation that will meet quality requirement is packed.
Furthermore, composite making synthetic leather journey is to include 21 steps of fitting in cuing open that sheet 18 steps and product examine pack between 19 steps, and these 21 steps of fitting are with glue or glued membrane and cloth or base material bonding with the leather-imitation one side.
Furthermore, it is to include a surface treatment 22 steps that composite making synthetic leather journey is packed between 19 steps in fit 21 steps and product examine, these surface treatment 22 steps are simultaneously to spray or the various Functional Chemicals of application at leather-imitation, process as the leather-imitation surface optimization, its chemicals that is sprayed on the leather-imitation one side can be the antimicrobial chemical medicament, bright processing chemical agent, cloudy surface are processed chemical agent or on-slip processing chemical agent.
Furthermore, composite making synthetic leather journey is packed in surface treatment 22 steps and product examine and is included an embossing between 19 steps and process 23 steps, simultaneously to press the pyrograph line in leather-imitation after leather-imitation is heated and with the knurling tool of low temperature, wherein leather-imitation its temperature when pressing the pyrograph line is to be higher than knurling tool, is lower than leather-imitation by the knurling tool temperature and sticks in knurling tool to avoid leather-imitation to be stained with in embossing process.
Claims (8)
1. a composite making synthetic leather journey is characterized in that, sequentially comprises the following steps:
Batching: raw material is mixed according to the ratio of setting;
Dnockout: with the adding pressure type banbury raw material that mixes is added thermal agitation, raw material is filled part mix and present thick;
Binder: extrude presenting thick raw material with the roller extruder, make raw material present the lamellar body kenel;
Cut: the raw material that will present the lamellar body kenel cuts, and makes raw materials size be able to the mould of corresponding follow-up hydraulic press;
For the first time cooling: make the sheet-shaped material cooling in the mode of leaving standstill;
Oil pressure foaming: sheet-shaped material is inserted in the die of hydraulic machine, and with hydraulic press to raw material carry out high pressure, construction at high temperature makes its foaming, makes foamed product present bulk and the flexible kenel of tool;
For the second time cooling: the finished product that will foam leaves standstill cooling;
Electricity connects: will finish the leather-imitation of foaming operation in high-temperature electric heat welding mode, and several leather-imitations will be connected to the leather-imitation of continuous shape;
Cut open sheet: on demand leather-imitation is carried out thickness and cut open and split;
Product examine packing: the quality of check leather-imitation, and the leather-imitation that will meet quality requirement is packed.
2. composite making synthetic leather journey according to claim 1, it is characterized in that, described composite making synthetic leather journey includes an applying step in cuing open between sheet step and product examine packaging step, this applying step is with glue or glued membrane and cloth or base material bonding with the leather-imitation one side.
3. described composite making synthetic leather journey according to claim 2, it is characterized in that, described composite making synthetic leather journey includes a surface treatment step between applying step and product examine packaging step, this surface treatment step is simultaneously to spray or the various Functional Chemicals of application at leather-imitation, processes as the leather-imitation surface optimization.
4. described composite making synthetic leather journey according to claim 3, it is characterized in that, described composite making synthetic leather journey includes an embossing treatment step between surface treatment step and product examine packaging step, simultaneously press the pyrograph line in leather-imitation after leather-imitation is heated and with the knurling tool of low temperature.
5. a described composite making synthetic leather journey according to claim 1 is characterized in that, described first time, its time of repose of cooling step was 2 to 4 hours.
6. described composite making synthetic leather journey according to claim 1 is characterized in that, described second time, its time of repose of cooling step was 48 hours.
7. described composite making synthetic leather journey according to claim 1, it is characterized in that, raw material includes main material and formula material, wherein main material includes 12%～20% PP, 12%～22%% EPDM, 30%～42% EVA and 24%～30% POE, formula material is to include filler, blowing agent, DCP and ZNO, wherein the dosage of filler is 20%～25% of main material relative scale, the dosage of blowing agent is 1%～3% of main material relative scale, the dosage of DCP is 0.7%～1.0% of main material relative scale, and the dosage of ZNO is 1%～1.5% of main material relative scale.
8. composite making synthetic leather journey according to claim 3, it is characterized in that its sprinkling of described surface treatment step or the chemicals that is coated on leather-imitation one side are that antimicrobial chemical medicament, bright are processed chemical agent, cloudy surface and processed chemical agent or on-slip to process chemical agent wherein a kind of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103014159A CN103029302A (en) | 2011-09-29 | 2011-09-29 | Process for producing synthetic leather by using composite material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103014159A CN103029302A (en) | 2011-09-29 | 2011-09-29 | Process for producing synthetic leather by using composite material |
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| CN103029302A true CN103029302A (en) | 2013-04-10 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1074649A (en) * | 1992-01-25 | 1993-07-28 | 张志成 | End method for making in a kind of footwear body |
| CN1130224A (en) * | 1995-02-28 | 1996-09-04 | 南亚塑胶工业股份有限公司 | Method for producing plastic artificial leather (cloth) through calendering ethylene-vinylacetate copoly resin |
| CN101392068A (en) * | 2008-10-17 | 2009-03-25 | 石家庄启宏橡塑制品有限公司 | Method for producing high pressure polyethylene low-time foaming material |
| CN101485503A (en) * | 2009-02-24 | 2009-07-22 | 苏清远 | Moulding material for producing sole, sole and method for producing the same |
| TW201121792A (en) * | 2009-12-16 | 2011-07-01 | kun-zhong Liu | Foam synthetic leather material manufacturing method. |
-
2011
- 2011-09-29 CN CN2011103014159A patent/CN103029302A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1074649A (en) * | 1992-01-25 | 1993-07-28 | 张志成 | End method for making in a kind of footwear body |
| CN1130224A (en) * | 1995-02-28 | 1996-09-04 | 南亚塑胶工业股份有限公司 | Method for producing plastic artificial leather (cloth) through calendering ethylene-vinylacetate copoly resin |
| CN101392068A (en) * | 2008-10-17 | 2009-03-25 | 石家庄启宏橡塑制品有限公司 | Method for producing high pressure polyethylene low-time foaming material |
| CN101485503A (en) * | 2009-02-24 | 2009-07-22 | 苏清远 | Moulding material for producing sole, sole and method for producing the same |
| TW201121792A (en) * | 2009-12-16 | 2011-07-01 | kun-zhong Liu | Foam synthetic leather material manufacturing method. |
Non-Patent Citations (1)
| Title |
|---|
| 侯文顺，陈炳和，吉飞，高玉萍: "《高分子材料分析、选择与改性课程项目化教学实施案例》", 31 August 2009, 化学工业出版社 * |
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Application publication date: 20130410 |