CN103046395A - Fabrication method of water-based stripping leather - Google Patents
Fabrication method of water-based stripping leather Download PDFInfo
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- CN103046395A CN103046395A CN2013100080321A CN201310008032A CN103046395A CN 103046395 A CN103046395 A CN 103046395A CN 2013100080321 A CN2013100080321 A CN 2013100080321A CN 201310008032 A CN201310008032 A CN 201310008032A CN 103046395 A CN103046395 A CN 103046395A
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Abstract
The invention relates to the field of artificial leather, particularly to a fabrication method of water-based stripping leather. The fabrication method is characterized by comprising the following steps that Step 1, a water-based surface polyurethane sizing agent is coated on the front surface of release paper and dried; Step 2, a water-based foaming layer polyurethane sizing agent is coated on the dried water-based surface polyurethane sizing agent, uniformly mixed with air at a volume ratio of 10-60%, and dried by a dryer for shape forming; and Step 3, the release paper is separated; and a left substance is the water-based stripping leather. The water-based stripping leather fabricated with the method can substitute the traditional oily stripping leather, and harms of DMF (Dimethyl Formamide) to human bodies, soil, the air and the like in life can be reduced.
Description
Technical field
The present invention relates to the dermatine field, specifically relate to the preparation method that a kind of water-based is peeled off skin.
Background technology
Common people can be referred to as dermatine or imitation leather to the synthetic leather beyond the corium, such as PVC, PU leather etc.And in the making artificial leather, use to the end layer leather.In the prior art, when making the first layer lether leather, tend to use a kind of oiliness and peel off skin with compound with split leather, make its effect that forms the first layer lether leather, and conveniently do the post processing of leather, epithelium can be made crazy horse, fission, ox bar effect.And production oiliness (solvent-borne type) contains dimethyl formamide (being called for short DMF) when peeling off skin at present, and it can absorb or suck people's cognition by alternate manner via skin and cause human body to be poisoned.Therefore, stipulate that factory must be provided with the equipment of processing when producing, factory and government also must be along with monitoring and record its processing procedure, thereby the processing of its water quite wastes time and energy, and careless slightlyly will cause serious pollution effect.
Summary of the invention
The present invention is directed to the shortcoming of prior art, provide a kind of preparation method of environment-friendly material to replace oiliness to peel off skin for being compound on the split leather, to reduce environment and the human harm that is subjected to organic solvent.Because this environment-friendly material environmental protection, therefore, we are referred to as water-based and peel off skin.
In order to achieve the above object, a kind of water-based of the present invention is peeled off the preparation method of skin, and it comprises the steps:
The first step is coated the oven dry of water-based face polyurethane slurry at release recto;
Second step, it is long-pending than carrying out drying and shaping for the air of 10%-60% and with dryer to coat water-based alveolar layer polyurethane slurry homogeneous mixture at the water-based face polyurethane slurry face of oven dry;
The 3rd step, release liners is separated, last material is water-based and peels off skin.
Can adopt the mode of mechanical type mixing for the air hybrid mode in the second step.In whole process, the effect of supporting body is mainly played in the effect of release liners, and the lines that the water-based of making is peeled off the surface of skin depends on decorative pattern positive on the release liners.
Preferably, described water-based face polyurethane slurry is prepared from by the following raw material of percentage meter by weight:
Polyurethane resin 40-90 part
Water 5-59 part
Aqueous color paste 0-10 part
Aqueous promoter 1-11 part.
Preferably, described water-based alveolar layer polyurethane slurry is prepared from by the following raw material of percentage meter by weight:
Polyurethane resin 40-84 part
Water 15-59 part
Aqueous color paste 0-8 part
Aqueous promoter 1-11 part.
Water in this process mainly plays the effect of solvent, and aqueous color paste then is the effect of dyeing, and aqueous promoter then mainly plays the effect of mediation, and aqueous promoter can be acryl acid.
The water-based of utilizing the method to make is peeled off skin and not only can be replaced traditional oiliness to peel off skin, but also can reduce in the life DMF to the harm of human body, soil and air etc.
The specific embodiment
Describe the present invention below in conjunction with specific embodiment, but not as limitation of the invention.
Embodiment 1, and a kind of water-based of this embodiment is peeled off the preparation method of skin, comprises the steps:
The first step is coated the oven dry of water-based face polyurethane slurry at release recto;
Second step, it is long-pending than being 10% air and carrying out drying and shaping with dryer to coat water-based alveolar layer polyurethane slurry homogeneous mixture at the water-based face polyurethane slurry face of oven dry;
The 3rd step, release liners is separated, last material is water-based and peels off skin.
Described water-based face polyurethane slurry is prepared from by the following raw material of percentage meter by weight:
| Composition | The polyurethane resin | Water | Aqueous color paste | Aqueous promoter |
| Ratio (part) | 50 | 29 | 10 | 11 |
Water-based alveolar layer polyurethane slurry then is prepared from by the following raw material of percentage meter by weight:
| Composition | The polyurethane resin | Water | Aqueous color paste | Aqueous promoter |
| Ratio (part) | 84 | 15 | 0 | 1 |
Embodiment 2, and a kind of water-based of this embodiment is peeled off the preparation method of skin, comprises the steps:
The first step is coated the oven dry of water-based face polyurethane slurry at release recto;
Second step, it is long-pending than being 10% air and carrying out drying and shaping with dryer to coat water-based alveolar layer polyurethane slurry homogeneous mixture at the water-based face polyurethane slurry face of oven dry;
The 3rd step, release liners is separated, last material is water-based and peels off skin.
Described water-based face polyurethane slurry is prepared from by the following raw material of percentage meter by weight:
| Composition | The polyurethane resin | Water | Aqueous color paste | Aqueous promoter |
| Ratio (part) | 90 | 5 | 0 | 1 |
Water-based alveolar layer polyurethane slurry then is prepared from by the following raw material of percentage meter by weight:
| Composition | The polyurethane resin | Water | Aqueous color paste | Aqueous promoter |
| Ratio (part) | 50 | 31 | 8 | 11 |
Embodiment 3, and a kind of water-based of this embodiment is peeled off the preparation method of skin, comprises the steps:
The first step is coated the oven dry of water-based face polyurethane slurry at release recto;
Second step, it is long-pending than being 10% air and carrying out drying and shaping with dryer to coat water-based alveolar layer polyurethane slurry homogeneous mixture at the water-based face polyurethane slurry face of oven dry;
The 3rd step, release liners is separated, last material is water-based and peels off skin.
Described water-based face polyurethane slurry is prepared from by the following raw material of percentage meter by weight:
| Composition | The polyurethane resin | Water | Aqueous color paste | Aqueous promoter |
| Ratio (part) | 40 | 59 | 0 | 1 |
Water-based alveolar layer polyurethane slurry then is prepared from by the following raw material of percentage meter by weight:
| Composition | The polyurethane resin | Water | Aqueous color paste | Aqueous promoter |
| Ratio (part) | 40 | 59 | 0 | 1 |
In above embodiment 1 ~ 3, water-based is peeled off in the step of preparation method of skin, the mode that can adopt mechanical type to mix for the air hybrid mode in the second step.In whole process, the effect of supporting body is mainly played in the effect of release liners, and the lines that the water-based of making is peeled off the surface of skin depends on decorative pattern positive on the release liners.
In the composition of above embodiment 1 ~ 3, water mainly plays the effect of solvent, and aqueous color paste then is the effect of dyeing, and aqueous promoter then mainly plays the effect of mediation, and aqueous promoter can be acryl acid.
The water-based of utilizing the method to make is peeled off skin and not only can be replaced traditional oiliness to peel off skin, but also can reduce in the life DMF to the harm of human body, soil and air etc.
Below the present invention is described in detail, but apparent, those skilled in the art can carry out various changes and improvements, and does not deviate from the scope of the present invention that appended claims limits.
Claims (3)
1. a water-based is peeled off the preparation method of skin, it is characterized in that, comprises the steps:
The first step is coated the oven dry of water-based face polyurethane slurry at release recto;
Second step, it is long-pending than carrying out drying and shaping for the air of 10%-60% and with dryer to coat water-based alveolar layer polyurethane slurry homogeneous mixture at the water-based face polyurethane slurry face of oven dry;
The 3rd step, release liners is separated, last material is water-based and peels off skin.
2. a kind of water-based according to claim 1 is peeled off the preparation method of skin, it is characterized in that, described water-based face polyurethane slurry is prepared from by the following raw material of percentage meter by weight:
Polyurethane resin 40-90 part
Water 5-59 part
Aqueous color paste 0-10 part
Aqueous promoter 1-11 part.
3. a kind of water-based according to claim 1 is peeled off the preparation method of skin, it is characterized in that, described water-based alveolar layer polyurethane slurry is prepared from by the following raw material of percentage meter by weight:
Polyurethane resin 40-84 part
Water 15-59 part
Aqueous color paste 0-8 part
Aqueous promoter 1-11 part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100080321A CN103046395A (en) | 2013-01-10 | 2013-01-10 | Fabrication method of water-based stripping leather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100080321A CN103046395A (en) | 2013-01-10 | 2013-01-10 | Fabrication method of water-based stripping leather |
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| CN103046395A true CN103046395A (en) | 2013-04-17 |
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| CN2013100080321A Pending CN103046395A (en) | 2013-01-10 | 2013-01-10 | Fabrication method of water-based stripping leather |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112961492A (en) * | 2021-02-02 | 2021-06-15 | 福建省尤溪县益康制革有限公司 | Non-cloth leather for polishing and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666043A (en) * | 2009-09-15 | 2010-03-10 | 烟台万华超纤股份有限公司 | Waterborne polyurethane coating transfer synthetic leather and manufacturing method |
| CN101812808A (en) * | 2009-12-30 | 2010-08-25 | 青岛新宇田化工有限公司 | Formula of hydrolysis-resistant waterborne polyurethane artificial leather and method for manufacturing same |
| CN101941321A (en) * | 2010-08-03 | 2011-01-12 | 丽水市优耐克水性树脂科技有限公司 | Method for manufacturing synthetic leather and synthetic leather |
| CN102409552A (en) * | 2011-09-02 | 2012-04-11 | 福建宝利特集团有限公司 | Preparation method of environment-friendly foamed artificial leather |
-
2013
- 2013-01-10 CN CN2013100080321A patent/CN103046395A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666043A (en) * | 2009-09-15 | 2010-03-10 | 烟台万华超纤股份有限公司 | Waterborne polyurethane coating transfer synthetic leather and manufacturing method |
| CN101812808A (en) * | 2009-12-30 | 2010-08-25 | 青岛新宇田化工有限公司 | Formula of hydrolysis-resistant waterborne polyurethane artificial leather and method for manufacturing same |
| CN101941321A (en) * | 2010-08-03 | 2011-01-12 | 丽水市优耐克水性树脂科技有限公司 | Method for manufacturing synthetic leather and synthetic leather |
| CN102409552A (en) * | 2011-09-02 | 2012-04-11 | 福建宝利特集团有限公司 | Preparation method of environment-friendly foamed artificial leather |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112961492A (en) * | 2021-02-02 | 2021-06-15 | 福建省尤溪县益康制革有限公司 | Non-cloth leather for polishing and preparation method thereof |
| CN112961492B (en) * | 2021-02-02 | 2022-06-28 | 福建省尤溪县益康制革有限公司 | Non-cloth leather for polishing and preparation method thereof |
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Application publication date: 20130417 |