CN1159490C - Polyurethane or polyvinyl chloride synthetic-leather with nonperiodic pattern and its making process - Google Patents
Polyurethane or polyvinyl chloride synthetic-leather with nonperiodic pattern and its making process Download PDFInfo
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- CN1159490C CN1159490C CNB021379084A CN02137908A CN1159490C CN 1159490 C CN1159490 C CN 1159490C CN B021379084 A CNB021379084 A CN B021379084A CN 02137908 A CN02137908 A CN 02137908A CN 1159490 C CN1159490 C CN 1159490C
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- polyvinyl chloride
- synthetic leather
- leather
- surface layer
- polyurethane
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Abstract
The present invention provides polyurethane synthetic leather or polyvinyl chloride synthetic leather, which is characterized in that both the concave-convex patterns and the colors on the surface of the synthetic leather are repeated without periodicity. The change of the patterns and the colors is natural, and is rich in aesthetic senses. Furthermore, the colors are contained in a glue material on the surface of the synthetic leather. The colorized layer is thick, wearable and durable, and is not easy to fade. The present invention discloses a preparation method of the synthetic leather.
Description
Technical field
The present invention relates to polyurethane or polyvinyl chloride synthetic leather and manufacture craft thereof.
Background technology
The decorative pattern on polyurethane (PU) or polyvinyl chloride (PVC) synthetic leather surface or employing at present spent the roll-in line or adopted release liners, release liners is actually a kind of mold paper that has the decorative pattern parent form, its decorative pattern also is with flower roll-in system, therefore, the decorative pattern on PU or PVC synthetic leather surface all is directly or indirectly to use flower roll-in system at present, must there be periodic repetition in the decorative pattern of producing like this, and decorative pattern is very unnatural.
And the colored synthetic leather of PU or PVC all is to carry out top finishing or stamp processing after making the semi-finished product leather at present, and the colored synthetic leather color layer of so making is very thin, and colour grinds off easily.
Summary of the invention
The purpose of this invention is to provide a kind of concave-convex surface decorative pattern nature, do not have the PU or the PVC synthetic leather that periodically repeat.A further object of the present invention provides a kind of concave-convex surface decorative pattern, color nature, not colored PV or PVC synthetic leather and their preparation method that periodically repeats.
Technical scheme of the present invention is as follows:
A kind of polyurethane or polyvinyl chloride synthetic leather, there is ridge design on the synthetic leather surface, it is characterized in that the ridge design aperiodicity repeats.
A kind of polyurethane or polyvinyl chloride color synthetic leather, there is ridge design on the synthetic leather surface, it is characterized in that containing pigment or dyestuff in the synthetic leather surface layer sizing material, and ridge design and colored color lump aperiodicity repeat.
The preparation method of a kind of polyurethane or polyvinyl chloride synthetic leather, it is a coating polyvinyl chloride surface layer sizing material on polyurethane or polyvinyl chloride crust leather, the topped grain material of moulding on the surface layer sizing material, moulding grain material can be polyethylene film, or polypropylene film, or polyester film, it is floating to mould grain material then, the surface layer sizing material is evenly distributed, plastify 30-100 second at 120-160 ℃, be cooled to below 40 ℃, remove (peeling off) and mould grain material, plastified again 1-2 minute at 130-180 ℃, promptly get polyurethane or polyvinyl chloride synthetic leather that concave-convex surface decorative pattern aperiodicity of the present invention repeats.The surface detail of synthetic leather of the present invention is to cause in the plasticization temperature shrinkage owing to moulding grain material, yet therefore formed ridge design repeats from aperiodicity.
The preparation method of a kind of colour polyurethane or polyvinyl chloride synthetic leather, it is the polyvinyl chloride surface layer sizing material that arbitrarily or at random is coated with different colours on polyurethane or polyvinyl chloride crust leather, the topped grain material of moulding on the surface layer sizing material, moulding grain material can be polyethylene film, or polypropylene film, or polyester film, it is floating to mould grain material then, the surface layer sizing material is evenly distributed, plastify 30-100 second at 120-160 ℃, be cooled to below 40 ℃, remove and mould grain material, plastified again 1-2 minute at 130-180 ℃, promptly get concave-convex surface decorative pattern of the present invention and the color all polyurethane or the polyvinyl chloride synthetic leather of aperiodicity repetition.
Also the polyvinyl chloride surface layer sizing material of different colours partly can be coated on polyurethane or the polyvinyl chloride crust leather among the above-mentioned preparation method, part is put cloth and is being moulded on the grain material, perhaps the polyvinyl chloride surface layer sizing material of different colours all being put cloth is moulding on the grain material, it is topped on polyurethane or polyvinyl chloride crust leather then this to be moulded grain material, it is floating to mould grain material, the surface layer sizing material is evenly distributed, at 120-160 ℃ of plasticizing 30-100 paper money clock, be cooled to below 40 ℃, remove and mould grain material, plastified again 1-2 minute at 130-180 ℃, make concave-convex surface decorative pattern of the present invention and the color all polyurethane or the polyvinyl chloride synthetic leather of aperiodicity repetition equally.
Among the preparation method of above-mentioned synthetic leather, moulding grain material also can be polyvinyl chloride film, be about to water white polyvinyl chloride film and replace polyethylene film or polypropylene film or polyester film, topped on polyurethane that is coated with polyvinyl chloride surface layer sizing material or polyvinyl chloride crust leather, the surface is floating, the surface layer sizing material is evenly distributed, 130-180 ℃ of plasticizing 1-2 minute, promptly get concave-convex surface decorative pattern of the present invention or concave-convex surface decorative pattern and the color all polyurethane or the polyvinyl chloride synthetic leather of aperiodicity repetition.Mould grain material clear, colorless polyvinyl chloride film, semi-finished product are not removed polyvinyl chloride film, as long as once overall plasticization promptly gets product, the synthetic leather surface that so makes is brighter.
In the method for making of Synthetic Leather, after making Synthetic Leather, above-mentioned method for making can carry out surface treatment again, be coated with the UM-80 sizing material on the leather surface of the Synthetic Leather that is about to make again,, obtain the brighter Synthetic Leather in surface 110-150 ℃ of plasticizing 1-2 minute.
Adopt synthetic leather preparation method of the present invention, crust leather can be buied from synthetic leather factory, also can make by oneself, polyvinyl chloride surface layer sizing material and prior art polyvinyl chloride surface layer sizing compound formula, preparation method are identical, the decorative pattern that polyurethane that makes or polyvinyl chloride synthetic leather surface have irregular aperiodicity to repeat, color is various, because the surface layer sizing material of different colours can " mix and ooze " mutually in manufacturing process, so color is very natural, changeableization, aperiodicity repeats, and can reach beyond thought aesthetic effect.Because of the colorant of various colors is to be added in the surface layer sizing material, thus behind the colorant layer covered with paint, lacquer, colour wash, etc. than existing surperficial stamp of color layer, more wear-resisting, durable, be difficult for fading.
Description of drawings
Fig. 1 is the photo of embodiment 3 prepared products;
Fig. 2 is the photo of embodiment 4 prepared products;
Fig. 3 is the photo of embodiment 5 prepared products;
Fig. 4 is the photo of embodiment 6 prepared products;
Fig. 5 is the photo of embodiment 7 prepared products;
Fig. 6 is the photo of embodiment 8 prepared products;
Fig. 7 is the photo of embodiment 9 prepared products;
Fig. 8 is the photo of embodiment 10 prepared products;
The specific embodiment
Embodiment 1: the preparation of polyvinyl chloride crust leather (crust leather also can be buied from polyvinyl chloride synthetic leather factory, and various polyvinyl chloride crust leathers all are suitable for);
Proportioning raw materials
1. PVC paste resin P450 (the former chemical industry in sky, Shanghai group sky former chemical plant produce): 100 parts (quality, down with)
2. plasticizer: dioctyl phthalate (DOP) (production of Nanjing petrochemical industry Co., Ltd): 80 parts
3. blowing agent Celogen Az (AC) (Zhenjiang resin processing plant dirt produces) is 2 parts
4. stabilizing agent liquid barium zinc (the Fine Chemical Works production of Wuxi City south) is 3 parts
5. the brown slurry of pigment (production of Shanghai pigment factory) is 3 parts
6. filler precipitated calcium carbonate (Nanjing Tang Shan refines grey factory and produces) is 30 parts.
The preparation of crust leather:
Above-mentioned raw materials is fed intake by proportioning, stir, grind with three-roller again, stir the back and coat on 2 * 2/21 canvas base fabric bases, the about 240g/m of consumption glue amount with scraper
2, send into the drying tunnel heating, gel, foaming, plasticizing with the rotating drum cooling, promptly get the polyvinyl chloride crust leather then.
Embodiment 2: the preparation of polyurethane crust leather (crust leather also can be buied from Synthetic Leather factory, and various polyurethane crust leathers all are suitable for)
With dry type polyurethane resin UM-40 or UD-45, the resin adhesive liquid that adds or do not add bridging agent DN-75 (both be east, Zhangjagang City synthetic resin Co., Ltd produce) is coated with and scrapes on wet method super-fine fiber polyurethane leather base fabric (production of Yantai Wan Hua group) with scraping the skill in using a kitchen knife in cookery, consumes glue amount 150g/m
2, dry second through 120-125 ℃ the about 90-120 of drying tunnel, promptly get the polyurethane crust leather.
Embodiment 3:
1. the preparation of polyvinyl chloride surface layer sizing material:
A. proportioning raw materials: 100 parts of PVC paste resin P440 (former chemical plant, the former chemical industry in sky, Shanghai group sky produces);
70 parts of plasticizer DOPs
3 parts on stabilizing agent liquid barium zinc
Pigment, pigment of all kinds is an amount of, prepares polyvinyl chloride surface layer sizing material of all kinds.
B. method for making feeds intake by proportioning, stirs, and send three-roller to grind, and is stand-by after stirring.
2. the preparation of polyvinyl chloride synthetic leather
Get the black that step 1 makes respectively, red, shallow palm fibre, dark blue, light blue, yellow, brown surface layer sizing material respectively 8 restrains on the polyvinyl chloride crust leather that is distributed in 0.5 square metre, place on the platform crust leather even with polyethylene film (0.03mm) covering, metallic roll with the long 120mm of diameter 10mm is floating gently, the surface layer sizing material is evenly distributed, and there is not air to be covered by polyethylene film, use a supporting plate (as the sheet metal of 0.5mm) that coated crust leather is sent into heating in the baking oven again, 130～150 ℃ of heating 70 seconds, taking-up is cooled to below 40 ℃, peel off remove polyethylene film after, in 160 ℃ of baking ovens, heated 90 seconds again, take out cooling, promptly get polyvinyl chloride synthetic leather of the present invention, as shown in Figure 1.
Embodiment 4:
1. the preparation of polyvinyl chloride surface layer sizing material prepares as embodiment 3 steps 1.
2. the preparation of polyvinyl chloride synthetic leather:
Get each 8 gram of red, light blue, shallow palm fibre, dark blue, yellow, brown, orange sizing material respectively, paint cutter and choose and be spread on 0.5 square metre of polyvinyl chloride crust leather that places on the platform, make sizing material become wire to fall, and equidirectional is seldom staggered.Polyethylene film in the covering (0.01mm), all the other are with embodiment 3.Its goods as shown in Figure 2.
Embodiment 5:
1. the surface layer sizing material prepares with embodiment 3 steps 1.
2. the preparation of synthetic leather:
0.5 square metre polyvinyl chloride crust leather is placed on the platform, get the limit end that navy blue surface layer sizing material 100 grams are distributed in crust leather; (0.01mm) lies on the platform with polyethylene film, takes by weighing yellow, redness, light blue surface layer sizing material 2～3 grams.Choose a little on polyethylene film with small size painter, there is one of surface layer sizing material to face crust leather polyethylene film, make the end alignment crust leather of polyethylene film that one end of surface layer sizing material be arranged, pole with a diameter 50 * 800mm has an end of sizing material to roll to the other end from 10 height in crust leather surface from crust leather, make to sandwich the thick surface layer sizing material of a bed thickness 5-8 silk between crust leather and the polyethylene film, unnecessary glue is driven out of.All the other steps such as embodiment 3, the polyvinyl chloride synthetic leather that makes as shown in Figure 3.
Embodiment 6:
1. the surface layer sizing material prepares with embodiment 3 steps 1.
2. the preparation of synthetic leather:
(0.01mm) places on the platform with polyethylene film, take by weighing shallow palm fibre, day blue, each 4g of surface layer sizing material, painting cutter chooses and a little is distributed on the polyethylene film, get the polyethylene film of same area size again, topped on it, catch up with slightly on the polyethylene film surface with towel and to smear, make two layers of polyethylene film band be stained with the surface layer sizing material of as much basically, get wherein a slice polyethylene film, all the other steps are complete in embodiment 5, and the polyvinyl chloride synthetic leather that makes as shown in Figure 4.
Embodiment 7:
Step such as embodiment 5, but the surface layer sizing material of some cloth is day blue a, green and a small amount of red, makes the band lines during point cloth sky blue sizing material, moulds grain material and uses polypropylene film (0.05mm) instead.The synthetic leather that makes as shown in Figure 5.
Embodiment 8:
Surface layer sizing material such as the preparation of embodiment 3 steps 1.
Get red, shallow palm fibre, deep blue, green each 15g of isochromatic surface layer sizing, optional point is spread on the polyethylene film (0.01mm), leaves standstill slightly, and the polyvinyl chloride crust leather is topped on it, turn-over, and all the other are operated as embodiment 3, and the gained synthetic leather is as shown in Figure 6.
Embodiment 9:
Surface layer sizing material such as the preparation of embodiment 3 steps 1.
Get red surface layer sizing material 35g, avy blue surface layer sizing material 35g, sky-blue surface layer sizing material 10g chooses slabbing and is distributed on the polyvinyl chloride crust leather the topped grain material polyvinyl chloride film (0.03mm) of moulding, floating gently with metallic roll, make surface layer sizing material thickness even,, heated 1 minute at 170 ℃, promptly get polyvinyl chloride synthetic leather of the present invention, as shown in Figure 7.
Embodiment 10:
The preparation of Synthetic Leather.
1. the preparation of polyvinyl chloride surface layer sizing material:
A. proportioning raw materials:
P440:100 part
DOP:15 part
20 parts of di-n-octyl sebacates
40 parts of BBP(Butyl Benzyl Phthalate
3 parts on liquid barium zinc
Pigment: an amount of
2. the preparation of Synthetic Leather
Take by weighing each each 8g of color surface layer sizing material of green, deep blue, shallow orchid, on palette, choose after slightly mixing and be distributed on the polyurethane crust leather, the topped polyethylene film (0.01mm) of going up, floating gently with metallic roll, make surface layer sizing material thickness even, 130 ℃ of heating are 70 seconds in baking oven, take out to be cooled to below 40 ℃, peel off remove polyethylene film after, 170 ℃ of heating 90 seconds, take out cooling again.
3. surface treatment:
The synthetic leather surface that step 2 is made is coated with polyurethane resin adhesive (pure PU surface layer resin UM-80 glue with polyurethane level solvent adjustment viscosity) 80 grams with scraper, 130 ℃ of baking oven for heating 90 seconds, promptly gets Synthetic Leather of the present invention, as shown in Figure 8.
Claims (7)
1. polyurethane or polyvinyl chloride synthetic leather, there is ridge design on the synthetic leather surface, it is characterized in that, and the ridge design aperiodicity repeats.
2. synthetic leather according to claim 1 is characterized in that containing pigment or dyestuff in the synthetic leather surface layer sizing material, and colored color lump and decorative pattern aperiodicity repeat.
3. method for preparing the described synthetic leather of claim 1, it is characterized in that coating polyvinyl chloride surface layer sizing material on polyurethane crust leather or polyvinyl chloride crust leather, the topped grain material of moulding on the surface layer sizing material, the surface is floating, the surface layer sizing material is evenly distributed, plastify 30-100 second at 120-160 ℃, be cooled to below 40 ℃, remove and mould grain material, plastified again 1-2 minute at 130-180 ℃, promptly get polyurethane or polyvinyl chloride synthetic leather that concave-convex surface decorative pattern aperiodicity of the present invention repeats, the wherein above-mentioned grain material of moulding is a polyethylene film, or polypropylene film, or polyester film.
4. method for preparing the described synthetic leather of claim 2, it is characterized in that on polyurethane crust leather or polyvinyl chloride crust leather, arbitrarily or at random being coated with the polyvinyl chloride surface layer sizing material of different colours, the topped grain material of moulding on the surface layer sizing material, the surface is floating, the surface layer sizing material is evenly distributed, plastify 30-100 second at 120-160 ℃, be cooled to below 40 ℃, remove and mould grain material, plastified again 1-2 minute at 130-180 ℃, promptly get concave-convex surface decorative pattern of the present invention and the color all polyurethane or the polyvinyl chloride synthetic leather of aperiodicity repetition, the wherein above-mentioned grain material of moulding is a polyethylene film, or polypropylene film, or polyester film.
5. the preparation method of synthetic leather according to claim 4, the polyvinyl chloride surface layer sizing material that it is characterized in that different colours partly or entirely arbitrarily or at random is coated on to be moulded on the grain material, it is topped on polyurethane crust leather or polyvinyl chloride crust leather then this to be moulded grain material, the surface is floating, the surface layer sizing material is evenly distributed, at 120-160 ℃ of plasticizing 30-100 paper money clock, be cooled to below 40 ℃, remove and mould grain material, plastified again 1-2 minute at 130-180 ℃, promptly get concave-convex surface decorative pattern of the present invention and the color all polyurethane or the polyvinyl chloride synthetic leather of aperiodicity repetition.
6. according to the preparation method of claim 3,4 or 5 described synthetic leather, it is characterized in that wherein moulding grain material is polyvinyl chloride film, polyvinyl chloride film is topped on polyurethane crust leather that is coated with polyvinyl chloride surface layer sizing material or polyvinyl chloride crust leather, the surface is floating, the surface layer sizing material is evenly distributed, 130-180 ℃ of plasticizing 1-2 minute, promptly get concave-convex surface decorative pattern of the present invention or concave-convex surface decorative pattern and the color all polyurethane or the polyvinyl chloride synthetic leather of aperiodicity repetition.
7. according to the preparation method of claim 3,4 or 5 described synthetic leather, it is characterized in that on leather surface, being coated with PU surface layer resin UM-80 sizing material after Synthetic Leather is made,, obtain the brighter Synthetic Leather in surface again 110-150 ℃ of plasticizing 1-2 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021379084A CN1159490C (en) | 2002-07-08 | 2002-07-08 | Polyurethane or polyvinyl chloride synthetic-leather with nonperiodic pattern and its making process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021379084A CN1159490C (en) | 2002-07-08 | 2002-07-08 | Polyurethane or polyvinyl chloride synthetic-leather with nonperiodic pattern and its making process |
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| Publication Number | Publication Date |
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| CN1389622A CN1389622A (en) | 2003-01-08 |
| CN1159490C true CN1159490C (en) | 2004-07-28 |
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| CNB021379084A Expired - Fee Related CN1159490C (en) | 2002-07-08 | 2002-07-08 | Polyurethane or polyvinyl chloride synthetic-leather with nonperiodic pattern and its making process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100476069C (en) * | 2007-05-16 | 2009-04-08 | 李勇 | Method for manufacturing leatheroid |
| CN102425067B (en) * | 2011-10-09 | 2013-06-12 | 华伦皮塑（苏州）有限公司 | Preparation method of crystal synthetic leather with repousse surface and synthetic leather prepared thereby |
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