CN108794826A - A kind of basketball leather and preparation method thereof - Google Patents
A kind of basketball leather and preparation method thereof Download PDFInfo
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- CN108794826A CN108794826A CN201810613792.8A CN201810613792A CN108794826A CN 108794826 A CN108794826 A CN 108794826A CN 201810613792 A CN201810613792 A CN 201810613792A CN 108794826 A CN108794826 A CN 108794826A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
- C08L7/02—Latex
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of basketball leathers, it is made of the raw material of following weight parts：Natural emulsion 65-70, polyamide wax micropowder 5-7, calcium palmitate 1-2, isothiazolinone 0.6-1, fluorinated polymer 30-40, stearic acid 3-4, p-methyl benzenesulfonic acid 0.01-0.02, glass fibre 10-12, the present invention is using the dimethylformamide of polyamide wax micropowder as solvent, trimethylolpropane is promoted to be reacted with stearic acid under Catalyzed by P-Toluenesulfonic Acid, impart glass surface plasticity, its dispersion compatibility in latex matrix is enhanced, to improve the toughness and tear resistance of finished leather.
Description
Technical field
The invention belongs to field of leather, and in particular to a kind of basketball leather and preparation method thereof.
Background technology
Current basketball material is usually that cortex is made, generally existing toughness, weatherability, thermal stability and corrosion resistance,
The defect of hydrophobicity difference, at the same it is poor, resilience is insufficient if there is flexibility the defects of, the mistake that is at play, practices or competes
Cheng Zhong once hitting body just easily causes damage to body, while can easily cause basket since ball-handling difficulty is higher
Deformation, the rupture of ball, safety in utilization are poor.
Invention content
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of basketball leather and its preparation sides
Method.
To achieve the above object, the present invention uses following technical scheme：
A kind of basketball leather, it is made of the raw material of following weight parts：
Natural emulsion 65-70, polyamide wax micropowder 5-7, calcium palmitate 1-2, isothiazolinone 0.6-1, fluorinated polymer 30-
40, stearic acid 3-4, p-methyl benzenesulfonic acid 0.01-0.02, glass fibre 10-12.
The fluorinated polymer is made of the raw material of following weight parts：
1H, 1H, 2H, 2H- perfluoro decyl triethoxysilane 1-2, isophorone diisocyanate 50-60, polycarbonate glycol
70-75, azodiisobutyronitrile 0.8-1, trimethylolpropane 10-13.
The preparation method of the fluorinated polymer, includes the following steps：
（1）Azodiisobutyronitrile is taken, is added in the toluene of 4-7 times of its weight, stirs evenly, obtain initiator solution；
（2）It takes 1H, 1H, 2H, 2H- perfluoro decyl triethoxysilanes to be added in the absolute ethyl alcohol of 6-8 times of its weight, stirs
Uniformly, isophorone diisocyanate is added, it is 50-55 DEG C to increase temperature, and insulated and stirred 1-2 hours is distilled off ethyl alcohol, obtains
Fluorinated monomer；
（3）Above-mentioned fluorinated monomer is taken, is mixed with polycarbonate glycol, is stirred evenly, is sent in reaction kettle, nitrogen is passed through, is added
Enter above-mentioned initiator solution, insulated and stirred 2-3 hours at 70-80 DEG C, discharging is added trimethylolpropane, stirs evenly, and revolves
Steaming sloughs toluene to get the fluorinated polymer.
A kind of preparation method of basketball leather, includes the following steps：
（1）Polyamide wax micropowder is taken, is added in the dimethylformamide of 6-8 times of its weight, stirs evenly, obtain amide solution；
（2）Stearic acid, heating fusing is taken to mix, be added in the deionized water of 10-14 times of mixture weight with glass fibre,
Insulated and stirred 20-30 minutes at 60-70 DEG C, fiber solution is obtained；
（3）Calcium palmitate, isothiazolinone, fluorinated polymer mixing are taken, stirs evenly, is mixed with above-mentioned fiber solution, stirred
Uniformly, it is added in above-mentioned amide solution, is sent in reaction kettle, adjusting reactor pressure is 0.8-1Mpa, is added to methyl
Benzene sulfonic acid, insulated and stirred 3-4 hours at 90-95 DEG C, discharging dehydration obtains polymer-modified；
（4）It taking above-mentioned polymer-modified, mixes, be sent in kneader with natural emulsion, high-speed kneading crosses 60-100 mesh sieve,
Using extrusion, calendering, cutting to get the basketball leather.
Advantages of the present invention：
The fluorinated polymer that the present invention is added, with 1H, 1H, 2H, 2H- perfluoro decyl triethoxysilanes are modifying agent to different Fo Er
Ketone diisocyanate carries out Fluorin doped modification, is then blended with polycarbonate glycol and is polymerize for monomer, and three are used after polymerization
Hydroxymethyl-propane processing, obtains the fluorinated polymer of trimethylolpropane modification, uses stearic acid to handle glass fibre later, with
The dimethylformamide of polyamide wax micropowder is solvent, promotes trimethylolpropane and stearic acid under Catalyzed by P-Toluenesulfonic Acid
Reaction, imparts glass surface plasticity, its dispersion compatibility in latex matrix is enhanced, to improve finished leather
Toughness and resistance to rupture.
Specific implementation mode
Embodiment 1
A kind of basketball leather, it is made of the raw material of following weight parts：
Natural emulsion 70, polyamide wax micropowder 7, calcium palmitate 2, isothiazolinone 1, fluorinated polymer 40, stearic acid 4, to first
Base benzene sulfonic acid 0.02, glass fibre 12.
The fluorinated polymer is made of the raw material of following weight parts：
1H, 1H, 2H, 2H- perfluoro decyl triethoxysilane 2, isophorone diisocyanate 60, polycarbonate glycol 75, idol
Nitrogen bis-isobutyronitrile 1, trimethylolpropane 13.
The preparation method of the fluorinated polymer, includes the following steps：
（1）Azodiisobutyronitrile is taken, is added in the toluene of 7 times of its weight, is stirred evenly, obtain initiator solution；
（2）1H, 1H, 2H, 2H- perfluoro decyl triethoxysilanes is taken to be added in the absolute ethyl alcohol of 8 times of its weight, stirring is equal
It is even, isophorone diisocyanate is added, it is 55 DEG C to increase temperature, and ethyl alcohol is distilled off in insulated and stirred 2 hours, must be fluorinated single
Body；
（3）Above-mentioned fluorinated monomer is taken, is mixed with polycarbonate glycol, is stirred evenly, is sent in reaction kettle, nitrogen is passed through, is added
Enter above-mentioned initiator solution, insulated and stirred 3 hours at 80 DEG C, discharging is added trimethylolpropane, stirs evenly, and revolving is de-
Go toluene to get the fluorinated polymer.
A kind of preparation method of basketball leather, includes the following steps：
（1）Polyamide wax micropowder is taken, is added in the dimethylformamide of 8 times of its weight, is stirred evenly, obtain amide solution；
（2）Stearic acid, heating fusing is taken to mix, be added in the deionized water of 114 times of mixture weight with glass fibre,
Insulated and stirred 30 minutes, obtain fiber solution at 70 DEG C；
（3）Calcium palmitate, isothiazolinone, fluorinated polymer mixing are taken, stirs evenly, is mixed with above-mentioned fiber solution, stirred
Uniformly, it is added in above-mentioned amide solution, is sent in reaction kettle, adjusting reactor pressure is 1Mpa, is added to methylbenzene sulphur
Acid, insulated and stirred 4 hours at 95 DEG C, discharging dehydration obtain polymer-modified；
（4）It takes above-mentioned polymer-modified, mixes, be sent in kneader with natural emulsion, high-speed kneading sieves with 100 mesh sieve, then passes through
Extrusion, calendering, cutting are crossed to get the basketball leather.
Embodiment 2
A kind of basketball leather, it is made of the raw material of following weight parts：
It is natural emulsion 65, polyamide wax micropowder 5, calcium palmitate 1, isothiazolinone 0.6, fluorinated polymer 30, stearic acid 3, right
Toluenesulfonic acid 0.01, glass fibre 10.
The fluorinated polymer is made of the raw material of following weight parts：
1H, 1H, 2H, 2H- perfluoro decyl triethoxysilane 1, isophorone diisocyanate 50, polycarbonate glycol 70, idol
Nitrogen bis-isobutyronitrile 0.8, trimethylolpropane 10.
The preparation method of the fluorinated polymer, includes the following steps：
（1）Azodiisobutyronitrile is taken, is added in the toluene of 4 times of its weight, is stirred evenly, obtain initiator solution；
（2）1H, 1H, 2H, 2H- perfluoro decyl triethoxysilanes is taken to be added in the absolute ethyl alcohol of 6 times of its weight, stirring is equal
It is even, isophorone diisocyanate is added, it is 50 DEG C to increase temperature, and ethyl alcohol is distilled off in insulated and stirred 1 hour, must be fluorinated single
Body；
（3）Above-mentioned fluorinated monomer is taken, is mixed with polycarbonate glycol, is stirred evenly, is sent in reaction kettle, nitrogen is passed through, is added
Enter above-mentioned initiator solution, insulated and stirred 2 hours at 70 DEG C, discharging is added trimethylolpropane, stirs evenly, and revolving is de-
Go toluene to get the fluorinated polymer.
A kind of preparation method of basketball leather, includes the following steps：
（1）Polyamide wax micropowder is taken, is added in the dimethylformamide of 6 times of its weight, is stirred evenly, obtain amide solution；
（2）Stearic acid, heating fusing is taken to mix, be added in the deionized water of 10 times of mixture weight, 60 with glass fibre
Insulated and stirred 20 minutes, obtain fiber solution at DEG C；
（3）Calcium palmitate, isothiazolinone, fluorinated polymer mixing are taken, stirs evenly, is mixed with above-mentioned fiber solution, stirred
Uniformly, it is added in above-mentioned amide solution, is sent in reaction kettle, adjusting reactor pressure is 0.8Mpa, is added to methylbenzene
Sulfonic acid, insulated and stirred 3 hours at 90 DEG C, discharging dehydration obtain polymer-modified；
（4）It takes above-mentioned polymer-modified, mixes, be sent in kneader with natural emulsion, high-speed kneading is crossed 60 mesh sieve, then passed through
Extrusion, calendering, cutting are crossed to get the basketball leather.
Performance test：
Basketball bladder prepared by basketball leather using the present invention is compared with common middle tire performance parameter：
The basketball bladder of the present invention：
Air-tightness：0.7%-1.0%；
Rebound height：1400-1500mm；
Expansion rate after impact：0.75%-0.80%；
Deformation values after impact：0.8-1.0mm；
Sphere appearance after impact：Phenomena such as crack-free, implosion, decortication, off-line, broken string and deformation；
Ball internal pressure rate of descent after impact：2.0%-2.2%；
Circumference is poor：1-1.2mm；
Commercially available common middle tire：
Air-tightness：2%—4%；
Rebound height：1200-1400mm；
Expansion rate after impact：1.01%-1.03%；
Deformation values after impact：1.8-3mm；
Sphere appearance after impact：Phenomena such as crack-free, implosion, decortication, off-line, broken string and deformation；
Ball internal pressure rate of descent after impact：4.9%-6%；
Circumference is poor：3-5mm.
Claims (4)
1. a kind of basketball leather, which is characterized in that it is made of the raw material of following weight parts：
Natural emulsion 65-70, polyamide wax micropowder 5-7, calcium palmitate 1-2, isothiazolinone 0.6-1, fluorinated polymer 30-
40, stearic acid 3-4, p-methyl benzenesulfonic acid 0.01-0.02, glass fibre 10-12.
2. a kind of basketball leather according to claim 1, which is characterized in that the fluorinated polymer is by following weight
The raw material composition of part：
1H, 1H, 2H, 2H- perfluoro decyl triethoxysilane 1-2, isophorone diisocyanate 50-60, polycarbonate glycol
70-75, azodiisobutyronitrile 0.8-1, trimethylolpropane 10-13.
3. a kind of basketball leather according to claim 2, which is characterized in that the preparation method of the fluorinated polymer,
Include the following steps：
（1）Azodiisobutyronitrile is taken, is added in the toluene of 4-7 times of its weight, stirs evenly, obtain initiator solution；
（2）It takes 1H, 1H, 2H, 2H- perfluoro decyl triethoxysilanes to be added in the absolute ethyl alcohol of 6-8 times of its weight, stirs
Uniformly, isophorone diisocyanate is added, it is 50-55 DEG C to increase temperature, and insulated and stirred 1-2 hours is distilled off ethyl alcohol, obtains
Fluorinated monomer；
（3）Above-mentioned fluorinated monomer is taken, is mixed with polycarbonate glycol, is stirred evenly, is sent in reaction kettle, nitrogen is passed through, is added
Enter above-mentioned initiator solution, insulated and stirred 2-3 hours at 70-80 DEG C, discharging is added trimethylolpropane, stirs evenly, and revolves
Steaming sloughs toluene to get the fluorinated polymer.
4. a kind of preparation method of basketball leather as described in claim 1, which is characterized in that include the following steps：
（1）Polyamide wax micropowder is taken, is added in the dimethylformamide of 6-8 times of its weight, stirs evenly, obtain amide solution；
（2）Stearic acid, heating fusing is taken to mix, be added in the deionized water of 10-14 times of mixture weight with glass fibre,
Insulated and stirred 20-30 minutes at 60-70 DEG C, fiber solution is obtained；
（3）Calcium palmitate, isothiazolinone, fluorinated polymer mixing are taken, stirs evenly, is mixed with above-mentioned fiber solution, stirred
Uniformly, it is added in above-mentioned amide solution, is sent in reaction kettle, adjusting reactor pressure is 0.8-1Mpa, is added to methyl
Benzene sulfonic acid, insulated and stirred 3-4 hours at 90-95 DEG C, discharging dehydration obtains polymer-modified；
（4）It taking above-mentioned polymer-modified, mixes, be sent in kneader with natural emulsion, high-speed kneading crosses 60-100 mesh sieve,
Using extrusion, calendering, cutting to get the basketball leather.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810613792.8A CN108794826A (en) | 2018-06-14 | 2018-06-14 | A kind of basketball leather and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810613792.8A CN108794826A (en) | 2018-06-14 | 2018-06-14 | A kind of basketball leather and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN108794826A true CN108794826A (en) | 2018-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810613792.8A Withdrawn CN108794826A (en) | 2018-06-14 | 2018-06-14 | A kind of basketball leather and preparation method thereof |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109608868A (en) * | 2018-12-31 | 2019-04-12 | 吕贝贝 | A kind of hydrophobic polypropylene film and preparation method thereof |
-
2018
- 2018-06-14 CN CN201810613792.8A patent/CN108794826A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109608868A (en) * | 2018-12-31 | 2019-04-12 | 吕贝贝 | A kind of hydrophobic polypropylene film and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 233200 Dingcheng East, Dingyuan County, Chuzhou City, Anhui Province Applicant after: Dingyuan Xinyu sports Limited by Share Ltd Address before: 233200 East of Dingcheng Town, Dingyuan County, Chuzhou City, Anhui Province Applicant before: Dingyuan XinYu Sports Equipment Co., Ltd. |
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| CB02 | Change of applicant information | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181113 |
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| WW01 | Invention patent application withdrawn after publication |