CN110239244A - A kind of basketball leather spray-drawing process - Google Patents
A kind of basketball leather spray-drawing process Download PDFInfo
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- CN110239244A CN110239244A CN201910488806.2A CN201910488806A CN110239244A CN 110239244 A CN110239244 A CN 110239244A CN 201910488806 A CN201910488806 A CN 201910488806A CN 110239244 A CN110239244 A CN 110239244A
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- Prior art keywords
- leather
- basketball
- astringent
- spray
- drawing process
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0047—Digital printing on surfaces other than ordinary paper by ink-jet printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0076—Digital printing on surfaces other than ordinary paper on wooden surfaces, leather, linoleum, skin, or flowers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
Abstract
The invention discloses a kind of basketball leather spray-drawing process, are related to basketball manufacturing technology field.It is characterized in that: a kind of basketball leather spray-drawing process, comprising the following steps: step 1 will input in the computer of UV printer after the pattern scanning for needing to print；Step 2 send leather to the print area of UV printer, in leather surface printed drawings pattern layer；Step 3, on the surface of pattern layer, spraying increases astringent, and drying obtains the basketball leather with print pattern；The increasing astringent is made of hydrophilic polyurethane resin, polypropylene micro mist, silk peptide powder, γ-(2,3- the third oxygen of epoxy) propyl trimethoxy silicane, light stabilizer 770, ethyl alcohol, acetone.The present invention has the advantages that pattern adhesive force is strong, is not easy to fade and crack.
Description
Technical field
The present invention relates to basketball manufacturing technology fields, more specifically, it relates to a kind of basketball leather spray-drawing process.
Background technique
Basketball movement is the very high movement of popularity, suitable for people of all ages, and site requirements is not also high, basketball sheet
The material of body largely determines the service life of basketball, and elasticity, shape also can be to sports degree, achievement and the sights of match
Reward property brings very big influence.The epidermis of basketball is mostly made using synthetic leather or natural leather, and the side of thermal transfer is generally passed through
Formula is by imprint patterns on basketball surface.
A kind of manufacture craft of basketball is disclosed in the Chinese invention patent of Publication No. CN108099231A, including such as
Lower step: (1) winding warp layer line for basketball liner, then superscribe rubber, forms bladders blank；(2) by high temperature resistant leather root
According to the shape of sphere, if being cut into dry plate, basketball skin graft is formed；(3) the basketball skin graft that step (2) obtains is respectively put into two
It is equipped with line outstanding in dome-type mold, in the mold to obstruct, the basketball skin graft is placed in the two sides of the line stalk；By true
Suction is attached to be tightly attached to the basketball skin graft in two dome-type molds and arranges, the bladders blank that step (1) is obtained
It is put into any dome-type mold of the basketball skin graft arranged, is closed the dome-type mold, temperature-pressure
So that the sizing material slush of the bladders blank forms basketball semi-finished product to bond the basketball skin graft；(4) by step (3)
The obtained basketball semi-finished product are put into sulfurizing mould, close sulfurizing mould, and temperature-pressure realizes that vulcanization, depanning obtain institute
State basketball.In the outer surface of the basketball skin graft, pattern is sticked with heat-transferring printing paper.
Only by heat-transferring printing paper in leather surface imprinted pattern in above-mentioned patent, basketball in use due to abrasion,
Dampness is easy to happen phenomena such as fading, cracking.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of basketball leather spray-drawing process, tool
Have that pattern adhesive force is strong, is not easy the advantages of fading and cracking.
To achieve the above object, the present invention provides the following technical scheme that
A kind of basketball leather spray-drawing process, comprising the following steps:
Step 1 will input in the computer of UV printer after the pattern scanning for needing to print；
Step 2 send leather to the print area of UV printer, in leather surface printed drawings pattern layer；
Step 3, on the surface of pattern layer, spraying increases astringent, and drying obtains the basketball leather with print pattern；
The increasing astringent is by hydrophilic polyurethane resin, polypropylene micro mist, silk peptide powder, γ-(2,3- the third oxygen of epoxy) propyl front three
Oxysilane, light stabilizer 770, ethyl alcohol, acetone composition.
By using above-mentioned technical proposal, polypropylene micro mist migrates after increasing the drying of astringent coating as anti-stick anti-wear agent
To coating surface, separation layer is formed, the resistance to bond and wearability of leather are increased.Silk peptide powder can improve the sense of touch of leather surface.
γ-(2,3- the third oxygen of epoxy) propyl trimethoxy silicane as coupling agent, can enhance the adhesive force of astringent.Light stabilizer
770 can slow down the aging for increasing astringent coating, make pattern be not susceptible to fade, cracking phenomena.Basketball leather passes through UV printer
After printing, it can become very smooth, manufactured basketball can skid, and be not easy to grasp, and after spraying increases astringent formation coating, surface has
Wet puckery sense of touch, and hydrophilic polyurethane resin has the function of moisture adsorption and releasing, even if sportsman generates greatly in fierce movement
The sweat of amount can also grasp basketball easily.Since pattern layer is by the protection for increasing astringent coating, so that pattern is not easy to fade and open
It splits.
It further preferably, further include surface treatment, the method for surface treatment are as follows: right between the step 1 and step 2
The printing surface of leather does sided corona treatment, and corona intensity is 3.8kV/cm~4.5kV/cm.
By using above-mentioned technical proposal, the principle of sided corona treatment is: high between leather process has two electrodes existing for high pressure
Pressure ionizes interelectrode air, generates electron stream, forms oxidation polarization base on the surface of leather, generates leather surface
Polarity is conducive to leather in conjunction with UV ink, enhances the adhesive force of UV ink.Corona intensity is bigger, will generate at electrode
Higher electric field, leather surface just have more, shorter free radical.But when corona intensity is more than 4kV/cm, even if again
Increase corona, leather surface tension do not increase substantially, this is because when film is during instantaneously carrying out sided corona treatment, motor with
Oxygen molecule content in air between Corona roller is certain, even if improving the voltage and current value of motor, can not be swashed
More oxygen molecules living, make more oxygen-containing functional group electrets to film surface, corona intensity is too small, does not have enhancing binding force
Effect, therefore, corona intensity is preferably 3.5kV/cm~4kV/cm.
Further preferably, any one of the leather in PVC leather, PU leather and ZK superfine fiber leather.
By using above-mentioned technical proposal, above-mentioned three kinds of materials are to manufacture the cladding of basketball, and be suitable for of the invention
Spray-drawing process.
Further preferably, the step 3 further includes imprint step before spraying increases astringent: in basketball leather surface
Imprint graininess lines.
By using above-mentioned technical proposal, on the one hand the roughness of leather surface can be enhanced by imprinting graininess lines, be protected
Basketball feel is held, is not easy to skid, on the other hand, the contact area for increasing astringent coating and pattern layer is capable of increasing, enhances binding force,
It is not easy to fade and crack.
Further preferably, the mass percent for increasing astringent:
Hydrophilic polyurethane resin 28-33%；
Polypropylene micro mist 0.4-0.6%；
Silk peptide powder 1.2-1.5%；
γ-(2,3- the third oxygen of epoxy) propyl trimethoxy silicane 0.5-1%；
Light stabilizer 7700.5-1.5%；
Ethyl alcohol 10-20%；
Acetone complements to 100.
By using above-mentioned technical proposal, polypropylene micro mist additive amount is too big, and sense of touch is dry to be slided, and anti-stick wearability is good, conversely,
Polypropylene micro mist additive amount is very little, then sense of touch is wet puckery, but resistance to bond is poor；Silk peptide powder dosage is excessive, and sense of touch is good, but increases astringent and apply
The physical property of layer reduces, and increases cost of material；Ethyl alcohol and acetone compounding are used as solvent, and the processing for being conducive to improve increasing astringent is suitable
Property, i.e., print speed printing speed, drying temperature, print roller mesh number and using viscosity conformability.Therefore, each component is in said ratio
Under, the increasing astringent of best performance can be just accessed, enhances adhesive force, and be not easy to fade and crack.
Further preferably, it is described increase astringent the preparation method is as follows: will polypropylene micro mist, ethyl alcohol disperse after mixing it is equal
It is even, obtain dispersion liquid；By silk peptide powder, hydrophilic polyurethane resin, acetone mix after, using sand mill be ground to partial size be less than etc.
In 5 μm, mixed liquor is obtained；By dispersion liquid, mixed liquor, γ-(2,3- the third oxygen of epoxy) propyl trimethoxy silicane, light stabilizer
770 stir evenly, and obtain increasing astringent.
By using above-mentioned technical proposal, polypropylene micro mist and silk peptide powder are uniformly dispersed, and increase astringent shape
At certain structural viscosity, γ-(2,3- the third oxygen of epoxy) propyl trimethoxy silicane can also play the role of anti-settling, avoid increasing
Astringent generates sedimentation when in use.
Further preferably, the quantity for spray for increasing astringent is 22-25g/m2。
By using above-mentioned technical proposal, increase astringent quantity for spray it is too low when, coating layer thickness is too thin, it is difficult to avoid fading and
Cracking, increase astringent quantity for spray it is too high when, be easy to produce current mark, influence sense of touch.
Further preferably, the step 3 drying temperature is 120-125 DEG C, drying time 20-30min.
By using above-mentioned technical proposal, lower drying temperature and longer drying time can be such that solvent slowly waves
Hair, avoids cracking.
In conclusion compared with prior art, the invention has the following advantages:
(1) present invention is by printing UV pattern layer in leather surface, and sprays in pattern layer surface and increase astringent, not only improves skin
The sense of touch of leather, and playing a protective role to pattern layer, pattern is not susceptible to fade, cracking phenomena；
(2) present invention leather printing surface printing before do sided corona treatment, make leather surface generate polarity, be conducive to leather with
UV ink combines, and enhances the adhesive force of UV ink；
(3) present invention can just access best performance under said ratio by adjusting the formula and proportion for increasing astringent, each component
Increasing astringent, enhance adhesive force, and be not easy to fade and crack.
Specific embodiment
Below with reference to embodiment, the present invention will be described in detail.
A kind of embodiment 1: basketball leather spray-drawing process, comprising the following steps:
Step 1 will input in the computer of UV printer after the pattern scanning for needing to print；
Step 2 send leather to the print area of UV printer, and leather is PU leather in the present embodiment, prints in leather surface
Pattern layer, the preferred soft ink of UV printing in leather material, guarantees that printed drawings pattern layer bend resistance, punching press do not split, for example, magnificent
Color industry UV photocuring ink, three emperor's UV ink of Taiwan；
Step 3, on the surface of pattern layer, spraying increases astringent, and the quantity for spray for increasing astringent is 22g/m2, drying, temperature is 120 DEG C,
Drying time is 30min, obtains the basketball leather with print pattern；
Increase astringent by hydrophilic polyurethane resin, polypropylene micro mist, silk peptide powder, γ-(2,3- the third oxygen of epoxy) propyl trimethoxy
Silane, light stabilizer 770, ethyl alcohol, acetone composition, the mass percent for increasing astringent are as shown in table 1.
Increase astringent the preparation method is as follows: by polypropylene micro mist, ethyl alcohol mix after be uniformly dispersed, obtain dispersion liquid；By silk
After Gly-His-Lys, hydrophilic polyurethane resin, acetone mixing, partial size is ground to less than or equal to 5 μm using sand mill, obtains mixed liquor；
Dispersion liquid, mixed liquor, γ-(2,3- the third oxygen of epoxy) propyl trimethoxy silicane, light stabilizer 770 are stirred evenly, increased
Astringent.
Embodiment 2-5: a kind of basketball leather spray-drawing process, difference from example 1 is that, increase the quality hundred of astringent
Divide than as shown in table 1.
Increase the mass percent of astringent in 1 embodiment 1-5 of table
Embodiment 6: a kind of basketball leather spray-drawing process, difference from example 1 is that, leather uses PVC leather.
Embodiment 7: a kind of basketball leather spray-drawing process, difference from example 1 is that, leather uses the ultra-fine fibre of ZK
Tie up leather.
Embodiment 8: a kind of basketball leather spray-drawing process, difference from example 1 is that, step 1 and step 2 it
Between further include surface treatment, the method for surface treatment are as follows: sided corona treatment is done to the printing surface of leather, corona intensity is 3.8kV/
cm。
Embodiment 9: a kind of basketball leather spray-drawing process, the difference is that, corona intensity is 4.2kV/ with embodiment 8
cm。
Embodiment 10: a kind of basketball leather spray-drawing process, difference from example 1 is that, corona intensity is
4.5kV/cm。
Embodiment 11: a kind of basketball leather spray-drawing process, difference from example 1 is that, step 3 increases in spraying
Further include imprint step before astringent: graininess lines is imprinted in basketball leather surface using roller.
Embodiment 12: a kind of basketball leather spray-drawing process, the difference is that, step 3 increases in spraying with embodiment 8
Further include imprint step before astringent: graininess lines is imprinted in basketball leather surface using roller.
Embodiment 13: a kind of basketball leather spray-drawing process, difference from example 1 is that, increase the quantity for spray of astringent
For 23g/m2。
Embodiment 14: a kind of basketball leather spray-drawing process, difference from example 1 is that, increase the quantity for spray of astringent
For 25g/m2。
Embodiment 15: a kind of basketball leather spray-drawing process, difference from example 1 is that, step 3 drying temperature
It is 123 DEG C, drying time 26min.
Embodiment 16: a kind of basketball leather spray-drawing process, difference from example 1 is that, step 3 drying temperature
It is 125 DEG C, drying time 20min.
Comparative example 1: using heat-transferring printing paper in leather surface imprinted pattern.
Comparative example 2: a kind of basketball leather spray-drawing process, difference from example 1 is that, comprising the following steps:
Step 1 will input in the computer of UV printer after the pattern scanning for needing to print；
Step 2 send leather to the print area of UV printer, and leather is PU leather in the present embodiment, prints in leather surface
Pattern layer, the preferred soft ink of UV printing in leather material, guarantees that printed drawings pattern layer bend resistance, punching press do not split, for example, magnificent
Color industry UV photocuring ink, three emperor's UV ink of Taiwan, obtain the basketball leather with print pattern.
Comparative example 3: a kind of basketball leather spray-drawing process, difference from example 1 is that, the quantity for spray for increasing astringent is
12g/m2。
Comparative example 4: a kind of basketball leather spray-drawing process, difference from example 1 is that, the quantity for spray for increasing astringent is
35g/m2。
Comparative example 5: a kind of basketball leather spray-drawing process, difference from example 1 is that, step 3 drying temperature is
150 DEG C, drying time 15min.
Comparative example 6: a kind of basketball leather spray-drawing process, difference from example 1 is that, the γ-in astringent will be increased
(2,3- the third oxygen of epoxy) propyl trimethoxy silicane replaces with acetone.
Comparative example 7: a kind of basketball leather spray-drawing process, difference from example 1 is that, increase the quality percentage of astringent
Than:
Hydrophilic polyurethane resin 28%；
Polypropylene micro mist 1%；
Silk peptide powder 1.5%
γ-(2,3- the third oxygen of epoxy) propyl trimethoxy silicane 0.5%；
Light stabilizer 7700.5%；
Ethyl alcohol 10%；
Acetone 58.5%.
Comparative example 8: a kind of basketball leather spray-drawing process, difference from example 1 is that, increase the quality percentage of astringent
Than:
Hydrophilic polyurethane resin 28%；
Polypropylene micro mist 0.4%；
Silk peptide powder 2%
γ-(2,3- the third oxygen of epoxy) propyl trimethoxy silicane 0.5%；
Light stabilizer 7700.5%；
Ethyl alcohol 10%；
Acetone 58.6%.
Adhesive force and sense of touch test
Test method: using the adhesive force grade of baige method testing example 1-16 and comparative example 1-8；By embodiment 1-16 and right
Basketball is made in the basketball leather of ratio 1-8, randomly selects 10 cagers in some region of school, respectively to using real
It applies basketball made of the basketball leather of a 1-16 and comparative example 1-8 and carries out sense of touch evaluation, scoring range 1-10 divides, each basketball
Minimum point and best result are removed in scoring, and residue is made even respectively.
Test result and analysis: test result is as shown in table 2, and adhesive force grade is referring to GB/T9286, and 0 grade preferably, and 5 grades most
Difference.As shown in Table 2, the adhesive force grade of embodiment 1-16 is 0-1 grades, illustrates that pattern layer and increasing astringent coating adhesion are strong,
It is not easy to fade and crack, for embodiment 8 and 11 respectively after sided corona treatment and coining processing, adhesive force grade is promoted to 0 from 1 grade
Grade illustrates that sided corona treatment and coining processing can be improved pattern layer and increase the adhesive force of astringent coating.Comparative example 1 uses thermal transfer
Paper adhesion grade is only 4 grades, and the adhesive force grade in no increasing astringent of comparative example 2 drops to 3 grades, referring to comparative example 3 and 4,
When the quantity for spray for increasing astringent is too low and excessively high, adhesive force grade drops to 2 grades, reference comparative example 5 and 6, drying temperature compared with
Gao Shi, adhesive force are reduced to 2 grades, and when coupling agent not being added in increasing astringent, adhesive force is also reduced to 2 grades.Illustrate the spray for increasing astringent
Tu Liang, drying temperature and coupling agent can have an impact adhesive force.
The sense of touch scoring mean value of embodiment 1-16 is at 8 points or more, and comparative example 1-5 and 7-8 are lower than 8 points, illustrate to spray
Applying increasing astringent improves the sense of touch of leather, and the additive amount of the quantity for spray and silk peptide powder, polypropylene micro mist that increase astringent will affect
The sense of touch of leather.
2 test result of table
| Embodiment/comparative example number | Adhesive force grade | Sense of touch scoring mean value |
| Embodiment 1 | 1 grade | 8 |
| Embodiment 2 | 1 grade | 8 |
| Embodiment 3 | 1 grade | 8 |
| Embodiment 4 | 1 grade | 8 |
| Embodiment 5 | 1 grade | 8 |
| Embodiment 6 | 1 grade | 8 |
| Embodiment 7 | 1 grade | 8 |
| Embodiment 8 | 0 grade | 8 |
| Embodiment 9 | 0 grade | 8 |
| Embodiment 10 | 0 grade | 8 |
| Embodiment 11 | 0 grade | 9 |
| Embodiment 12 | 0 grade | 9 |
| Embodiment 13 | 1 grade | 8 |
| Embodiment 14 | 1 grade | 8 |
| Embodiment 15 | 1 grade | 8 |
| Embodiment 16 | 1 grade | 8 |
| Comparative example 1 | 4 grades | 6 |
| Comparative example 2 | 3 grades | 5 |
| Comparative example 3 | 2 grades | 7 |
| Comparative example 4 | 2 grades | 7 |
| Comparative example 5 | 2 grades | 7 |
| Comparative example 6 | 2 grades | 8 |
| Comparative example 7 | 1 grade | 7 |
| Comparative example 8 | 1 grade | 7 |
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of basketball leather spray-drawing process, which comprises the following steps:
Step 1 will input in the computer of UV printer after the pattern scanning for needing to print；
Step 2 send leather to the print area of UV printer, in leather surface printed drawings pattern layer；
Step 3, on the surface of pattern layer, spraying increases astringent, and drying obtains the basketball leather with print pattern；
The increasing astringent is by hydrophilic polyurethane resin, polypropylene micro mist, silk peptide powder, γ-(2,3- the third oxygen of epoxy) propyl front three
Oxysilane, light stabilizer 770, ethyl alcohol, acetone composition.
2. a kind of basketball leather spray-drawing process according to claim 1, which is characterized in that the step 1 and step 2 it
Between further include surface treatment, the method for surface treatment are as follows: sided corona treatment is done to the printing surface of leather, corona intensity is 3.8kV/cm
~4.5kV/cm。
3. a kind of basketball leather spray-drawing process according to claim 1, which is characterized in that the leather be selected from PVC leather,
Any one in PU leather and ZK superfine fiber leather.
4. a kind of basketball leather spray-drawing process according to claim 1 or 2, which is characterized in that the step 3 is spraying
Further include imprint step before increasing astringent: imprinting graininess lines in basketball leather surface.
5. a kind of basketball leather spray-drawing process according to claim 1, which is characterized in that the quality percentage for increasing astringent
Than:
Hydrophilic polyurethane resin 28-33%；
Polypropylene micro mist 0.4-0.6%；
Silk peptide powder 1.2-1.5%；
γ-(2,3- the third oxygen of epoxy) propyl trimethoxy silicane 0.5-1%；
770 0.5-1.5% of light stabilizer；
Ethyl alcohol 10-20%；
Acetone complements to 100.
6. a kind of basketball leather spray-drawing process according to claim 1, which is characterized in that the preparation method for increasing astringent
It is as follows: to be uniformly dispersed after polypropylene micro mist, ethyl alcohol are mixed, obtain dispersion liquid；By silk peptide powder, hydrophilic polyurethane resin, third
After ketone mixing, partial size is ground to less than or equal to 5 μm using sand mill, obtains mixed liquor；By dispersion liquid, mixed liquor, γ-(2,3-
The third oxygen of epoxy) propyl trimethoxy silicane, light stabilizer 770 stir evenly, obtain increasing astringent.
7. a kind of basketball leather spray-drawing process according to claim 1, which is characterized in that it is described increase astringent quantity for spray be
22-25g/m2。
8. a kind of basketball leather spray-drawing process according to claim 1, which is characterized in that the step 3 drying temperature is
120-125 DEG C, drying time 20-30min.
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| CN110626082A (en) * | 2019-10-11 | 2019-12-31 | 广东小天才科技有限公司 | Protection process for multicolor patterns on surface of leather and decorative product |
| CN111155330A (en) * | 2020-01-14 | 2020-05-15 | 广东远华新材料股份有限公司 | Waterproof antiskid anti-fatigue pad and manufacturing process thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110626082A (en) * | 2019-10-11 | 2019-12-31 | 广东小天才科技有限公司 | Protection process for multicolor patterns on surface of leather and decorative product |
| CN111155330A (en) * | 2020-01-14 | 2020-05-15 | 广东远华新材料股份有限公司 | Waterproof antiskid anti-fatigue pad and manufacturing process thereof |
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