CN111234671A - Anti-aging women's boots and preparation method thereof - Google Patents
Anti-aging women's boots and preparation method thereof Download PDFInfo
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- CN111234671A CN111234671A CN202010178548.0A CN202010178548A CN111234671A CN 111234671 A CN111234671 A CN 111234671A CN 202010178548 A CN202010178548 A CN 202010178548A CN 111234671 A CN111234671 A CN 111234671A
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G83/00—Macromolecular compounds not provided for in groups C08G2/00 - C08G81/00
- C08G83/001—Macromolecular compounds containing organic and inorganic sequences, e.g. organic polymers grafted onto silica
-
- 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
-
- 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
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The invention relates to the technical field of boots, and discloses an anti-aging boot for women, which is characterized in that: the surface of the lady boot is coated with a surface treatment agent, and the surface treatment agent comprises the following components in parts by weight: 50-60 parts of polyurethane resin; 10-14 parts of polybismaleimide; 4-6 parts of 2, 2-dimethylpropionaldehyde; 25-30 parts of dimethylformamide; 0.4-0.5 part of hindered phenol antioxidant; 1-2 parts of light stabilizer. The invention has the following advantages and effects: the imide group of the poly bismaleimide and the carbonyl group of the 2, 2-dimethylpropionaldehyde form a hydrogen bond, so that the mutual penetration and permeation of two molecules are facilitated, a stable connecting layer is formed between the polyurethane resin and the poly bismaleimide, and the impact energy is absorbed, so that the problem that a cured product of the poly bismaleimide is brittle can be solved, and the surface treating agent has good toughness and tensile resistance so as to improve the anti-aging performance of the boots.
Description
Technical Field
The invention relates to the technical field of boots, in particular to anti-aging boots for women and a preparation method thereof.
Background
The boot is a shoe with a slightly cylindrical upper and a height above the ankle bone. The boots can be suitable for men and women to wear, wherein the boots for women are of various types and can be divided into a plurality of types according to different styles, fabrics and heights. Can be divided into tip boots, round-head boots, small tip boots and the like according to the styles; can be divided into leather boots, cloth boots and felt boots according to the fabric; the height of the saddle can be classified into a high boot, a middle boot or a low boot. The women's leather boots are mainly boots made of synthetic leather, and are shoes with special styles; the leather boots are not suitable for washing and insolation, and the leather of the leather boots becomes stiff after washing, so that the wearing comfort is reduced; exposure to the sun can reduce the folding fastness of the coating on the surface of the leather boot, making it more susceptible to cracking during wear, and reducing the useful life of the leather boot.
At present, a patent with publication number CN102406266A discloses a leather boot with complete airing, which comprises a boot sole, a boot heel, a vamp and a boot leg, wherein zippers are oppositely arranged on two sides of the boot leg, and the zippers are arranged at the front ends of the boot leg and the boot vamp.
The above prior art solutions have the following drawbacks: the leather boots are suitable for airing, but after long-term airing, the surface of the leather boots is easy to crack due to aging, so the improvement is still needed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an anti-aging boot for women, which avoids the problem that the boot cracks due to aging after being aired for a long time.
In order to achieve the purpose, the invention provides the following technical scheme:
an anti-aging women boot, wherein the surface of the women boot is coated with a surface treatment agent, and the surface treatment agent comprises the following components in parts by weight:
50-60 parts of polyurethane resin;
10-14 parts of polybismaleimide;
4-6 parts of 2, 2-dimethylpropionaldehyde;
25-30 parts of dimethylformamide;
0.4-0.5 part of hindered phenol antioxidant;
1-2 parts of light stabilizer.
By adopting the technical scheme, dimethylformamide is taken as a solvent, and hydrogen bonds are easily formed between imide groups of the polybismaleimide and carbonyl groups of the 2, 2-dimethylpropionaldehyde through the reaction of the polybismaleimide and the 2, 2-dimethylpropionaldehyde, so that the mutual penetration and permeation of two molecules are facilitated, a stable connecting layer is formed between the polybismaleimide and the polyurethane resin, and the impact energy is absorbed; the active group in the antioxidant is hindered phenol, and can react with free radicals in polyurethane resin to generate a group with lower activity, so that the group does not participate in oxidation cycle any more, thereby forming a stable compound and improving the aging resistance; the light stabilizer 770 has good resin compatibility, good water extraction resistance, very low volatility and migration, and excellent long-acting light aging resistance.
The present invention in a preferred example may be further configured to: the surface treating agent also comprises 1-2 parts of micron-sized talcum powder in parts by weight.
By adopting the technical scheme, the addition of the micron-sized talcum powder can generate a synergistic effect with the antioxidant, so that the mechanical property is maintained for a long time, the light aging speed of the surface treating agent is inhibited, the aging resistance of the surface treating agent is further improved, and the aging resistance of the boots is improved.
The present invention in a preferred example may be further configured to: the surface treating agent also comprises 0.2 to 0.4 portion of polyethylene and 0.1 to 0.2 portion of benzoyl peroxide according to the weight portion.
By adopting the technical scheme, benzoyl peroxide is used as an initiator to initiate polyethylene to be grafted on the micron-sized talcum powder, and the organic matter is grafted with the micron-sized talcum powder to improve the compatibility of the micron-sized talcum powder and the antioxidant, so that the aging inhibiting effect is better, and the effect of improving the aging resistance of the boots is achieved.
The present invention in a preferred example may be further configured to: the hindered phenol antioxidant is antioxidant 1010.
By adopting the technical scheme, the active group in the antioxidant 1010 is hindered phenol, and can react with the free radical in the polyurethane resin to generate a group with lower activity, so that the group does not participate in oxidation cycle any more, thereby forming a stable compound and improving the aging resistance.
The present invention in a preferred example may be further configured to: the light stabilizer is light stabilizer 770.
By adopting the technical scheme, the light stabilizer 770 has good resin compatibility, good water extraction resistance, very low volatility and migration and excellent long-acting light aging resistance.
The present invention in a preferred example may be further configured to: the surface treating agent also comprises 2-3 parts of tetrabutyltin by weight.
By adopting the technical scheme, the tetrabutyltin has better compatibility with the polyurethane resin, can exist in the polyurethane resin for a long time, and plays the role of a stabilizer, so that the durability of the surface treatment agent coated on the surface of the boots is improved; meanwhile, the addition of tetrabutyltin and a light stabilizer generate a synergistic effect, so that the ageing resistance of the boots for women is improved.
The second purpose of the invention is to provide a preparation method of the anti-aging female boots.
In order to achieve the second object, the invention provides the following technical scheme:
a preparation method of anti-aging women boots comprises the following steps:
s1, cleaning treatment: removing residual grease, release agent or other organic impurities on the vamp of the woman boot;
s2, preparing a surface treating agent: stirring and mixing polyurethane resin and dimethylformamide, then uniformly stirring and adding poly-bismaleimide and 2, 2-dimethylpropionaldehyde, stirring for 30-35min at the temperature of 40-45 ℃, sequentially adding hindered phenol antioxidant and light stabilizer, stirring, and cooling to room temperature to obtain a surface treating agent;
s3, coating operation: coating the surface treating agent S2 on the vamp of the woman boot, wherein the thickness of the coating is 2-3mm, and drying in an oven at 50-55 ℃.
By adopting the technical scheme, the boots for women with better ageing resistance are prepared.
The present invention in a preferred example may be further configured to: and adding the hindered phenol antioxidant and micron-sized talcum powder, polyethylene and benzoyl peroxide into the S2, keeping the temperature at 40-45 ℃, and stirring for reacting for 15-25 min.
According to the technical scheme, benzoyl peroxide is used as an initiator to initiate polyethylene to be grafted on the micron-sized talcum powder, the organic matter is grafted with the micron-sized talcum powder, and the organic micron-sized talcum powder and the hindered phenol antioxidant generate good compatibility and synergistic effect, so that the mechanical property is maintained for a long time, the light aging speed of the surface treating agent is inhibited, the aging resistance of the surface treating agent is further improved, and the aging resistance of the boots is improved.
The present invention in a preferred example may be further configured to: in the S2, tetrabutyltin can be added while adding the light stabilizer, and the mixture is stirred for 8-10min at the temperature of 30-40 ℃.
By adopting the technical scheme, the tetrabutyltin has better compatibility with the polyurethane resin, can exist in the polyurethane resin for a long time, and plays the role of a stabilizer, so that the durability of the surface treatment agent coated on the surface of the boots is improved; meanwhile, the addition of tetrabutyltin and a light stabilizer generate a synergistic effect, so that the ageing resistance of the boots for women is improved.
In summary, the invention includes at least one of the following beneficial technical effects:
1. hydrogen bonds are easily formed between imide groups of the poly-bismaleimide and carbonyl groups of the 2, 2-dimethylpropionaldehyde, so that mutual penetration and permeation of two molecules are facilitated, a stable linking layer is formed between the poly-bismaleimide and polyurethane resin, impact energy is absorbed, on one hand, the problem that a cured product of the poly-bismaleimide is fragile can be solved, on the other hand, the surface treating agent presents better toughness and tensile resistance, and the anti-aging performance of the boots is improved;
2. benzoyl peroxide is used as an initiator to initiate polyethylene to be grafted on the micron-sized talcum powder, the organic matter is grafted with the micron-sized talcum powder, and the organic micron-sized talcum powder and the hindered phenol antioxidant generate better compatibility and synergistic action, so that the mechanical property is kept for a longer time, the light aging speed of the surface treating agent is inhibited, the aging resistance of the surface treating agent is further improved, and the aging resistance of the boots is improved;
3. the tetrabutyltin is compatible with the polyurethane resin and exists in the polyurethane resin for a long time, plays the role of a stabilizer and improves the durability of the surface treatment agent coated on the surface of the boots; and tetrabutyltin can generate a synergistic effect with a light stabilizer to improve the anti-aging performance of the boots.
Detailed Description
The present invention will be described in further detail below.
Polyurethane resin: purchased from Hubei Jusheng science and technology Co., Ltd;
micron-sized talcum powder: available from new materials, Inc., of Gole, Suzhou;
antioxidant 1010: purchased from Sanfeng chemical Co Ltd, Linyi City of Shandong province;
light stabilizer 770: purchased from Xin Li Feng science and technology development Co., Ltd, Tianjin.
Examples
Example 1
The invention discloses a preparation method of anti-aging boots for women, which comprises the following steps:
s1, cleaning treatment: removing residual grease, release agent or other organic impurities on the vamp of the woman boot;
s2, preparing a surface treating agent: stirring and mixing polyurethane resin and dimethylformamide, then uniformly stirring and adding poly-bismaleimide and 2, 2-dimethylpropionaldehyde, stirring for 30min at the temperature of 40 ℃, adding hindered phenol antioxidant, micron-sized talcum powder, polyethylene and benzoyl peroxide, keeping the temperature at 40 ℃, and stirring for reacting for 15 min; adding a light stabilizer and tetrabutyltin, stirring for 8min at the temperature of 30 ℃, and cooling to room temperature to obtain a surface treating agent;
s3, coating operation: and (3) coating the surface treating agent S2 on the vamp of the woman boot, wherein the thickness of the coating is 2mm, and putting the woman boot into an oven to dry at the temperature of 50 ℃.
The contents of the components are shown in table 1 below.
Example 2
The invention discloses a preparation method of anti-aging boots for women, which comprises the following steps:
s1, cleaning treatment: removing residual grease, release agent or other organic impurities on the vamp of the woman boot;
s2, preparing a surface treating agent: stirring and mixing polyurethane resin and dimethylformamide, then uniformly stirring and adding poly-bismaleimide and 2, 2-dimethylpropionaldehyde, stirring for 35min at the temperature of 45 ℃, adding hindered phenol antioxidant, micron-sized talcum powder, polyethylene and benzoyl peroxide, keeping the temperature at 45 ℃, and stirring for reacting for 25 min; adding a light stabilizer and tetrabutyltin, stirring for 10min at the temperature of 40 ℃, and cooling to room temperature to obtain a surface treating agent;
s3, coating operation: and (3) coating the surface treating agent S2 on the vamp of the woman boot, wherein the thickness of the coating is 3mm, and putting the woman boot into an oven to dry at the temperature of 55 ℃.
The contents of the components are shown in table 1 below.
Example 3
The invention discloses a preparation method of anti-aging boots for women, which comprises the following steps:
s1, cleaning treatment: removing residual grease, release agent or other organic impurities on the vamp of the woman boot;
s2, preparing a surface treating agent: stirring and mixing polyurethane resin and dimethylformamide, then uniformly stirring and adding poly-bismaleimide and 2, 2-dimethylpropionaldehyde, stirring for 34min at the temperature of 42 ℃, adding hindered phenol antioxidant, micron-sized talcum powder, polyethylene and benzoyl peroxide, keeping the temperature at 43 ℃ and stirring for reacting for 22 min; adding a light stabilizer and tetrabutyltin, stirring for 9min at the temperature of 36 ℃, and cooling to room temperature to obtain a surface treating agent;
s3, coating operation: and (3) coating the surface treating agent S2 on the vamp of the woman boot, wherein the thickness of the coating is 2mm, and putting the woman boot into an oven to dry at the temperature of 54 ℃.
The contents of the components are shown in table 1 below.
Comparative example 1
The difference from example 1 is that no polybismaleimide and no 2, 2-dimethylpropionaldehyde were added, and the contents of the respective components are shown in Table 2 below.
Comparative example 2
The difference from example 1 is that the polybismaleimide is replaced by polyacrylamide, and the content of each component is shown in table 2 below.
Comparative example 3
The difference from example 1 is that 2, 2-dimethylpropionaldehyde was replaced with 3-pentanone, and the contents of the components are shown in table 2 below.
Comparative example 4
The difference from example 1 is that the micron-sized talc powder is replaced with nano-silica, and the contents of the components are shown in table 2 below.
Comparative example 5
The difference from example 1 is that the antioxidant 1010 is replaced by the antioxidant CA, and the contents of the components are shown in the following table 2.
Comparative example 6
The difference from example 1 is that polyethylene and benzoyl peroxide are not added, and the contents of the components are shown in table 2 below.
Comparative example 7
The difference from example 1 is that no light stabilizer is added and the contents of the respective components are shown in Table 2 below.
Comparative example 8
The difference from example 1 is that no light stabilizer and no tetrabutyltin are added, and the contents of the components are shown in table 2 below.
Comparative example 9
The difference from example 1 is that tetrabutyltin is replaced by lead sulfate tribasic, and the contents of the components are shown in table 2 below.
TABLE 1 ingredient content Table for each example
| Example 1 | Example 2 | Example 3 | |
| Polyurethane resin | 50 | 60 | 55 |
| Poly-bismaleimide | 10 | 14 | 12 |
| 2, 2-dimethylpropionaldehyde | 4 | 6 | 5 |
| Dimethyl formamide | 25 | 30 | 27 |
| Hindered phenol antioxidant | 0.4 | 0.5 | 0.4 |
| Light stabilizers | 1 | 2 | 2 |
| Micron-sized talcum powder | 1 | 2 | 1 |
| Polyethylene | 0.2 | 0.4 | 0.3 |
| Benzoyl peroxide | 0.1 | 0.2 | 0.2 |
| Tetrabutyl tin | 2 | 3 | 3 |
TABLE 2 ingredient content in each proportion
Performance test
Coating the surfactants of the embodiments and the comparative examples on the vamp of the woman boot, testing the mechanical property of the vamp sample according to the national standard GB/T1040-92, and performing the test at room temperature, wherein the stretching speed is 500 mm/min; placing the sample in a hot air aging oven, setting the temperature to be 175 ℃, aging for 96h, taking out the sample for cooling, testing the tensile strength and the elongation at break before and after aging to represent the aging resistance, wherein the larger the change rate is, the poorer the aging resistance is, and the test results are shown in the following table 3.
TABLE 3 anti-aging test results for each example and comparative example
In summary, the following conclusions can be drawn:
1. as is clear from a comparison between example 1 and comparative example 1, the addition of polybismaleimide and 2, 2-dimethylpropionaldehyde can improve the anti-aging property of the woman's boot after the surface treatment agent is applied.
2. As can be seen from the comparison of example 1 and comparative examples 2 to 3, the respective additions of polybismaleimide and 2, 2-dimethylpropionaldehyde have a synergistic effect on improving the anti-aging properties of the woman's boots coated with the surface treatment agent.
3. As can be seen from comparison of examples 1-3 and comparative examples 4-5, the micron-sized talcum powder and the antioxidant 1010 can generate a synergistic effect, so that the anti-aging performance of the boots coated with the surface treatment agent is improved.
4. It is understood from a comparison between example 1 and comparative example 6 that the addition of polyethylene and benzoyl peroxide has an improving effect on the anti-aging property of the woman's boots coated with the surface treatment agent.
5. As is clear from comparison of example 1 with comparative examples 7, 8 and 9, tetrabutyltin and a light stabilizer have a synergistic effect, and the anti-aging performance of the boots coated with the surface treatment agent can be improved.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. An anti-aging women boot, which is characterized in that: the surface of the lady boot is coated with a surface treatment agent, and the surface treatment agent comprises the following components in parts by weight:
50-60 parts of polyurethane resin;
10-14 parts of polybismaleimide;
4-6 parts of 2, 2-dimethylpropionaldehyde;
25-30 parts of dimethylformamide;
0.4-0.5 part of hindered phenol antioxidant;
1-2 parts of light stabilizer.
2. An anti-aging female boot according to claim 1, characterized in that: the surface treating agent also comprises 1-2 parts of micron-sized talcum powder in parts by weight.
3. An anti-aging female boot according to claim 2, characterized in that: the surface treating agent also comprises 0.2 to 0.4 portion of polyethylene and 0.1 to 0.2 portion of benzoyl peroxide according to the weight portion.
4. An anti-aging female boot according to claim 3, characterized in that: the hindered phenol antioxidant is antioxidant 1010.
5. An anti-aging female boot according to claim 1, characterized in that: the light stabilizer is light stabilizer 770.
6. An anti-aging female boot according to claim 5, characterized in that: the paint also comprises 2-3 parts of tetrabutyltin by weight.
7. The method for preparing an anti-aging woman's boot as claimed in any one of claims 1 to 6, wherein: the method comprises the following steps:
s1, cleaning treatment: removing residual grease, release agent or other organic impurities on the vamp of the woman boot;
s2, preparing a surface treating agent: stirring and mixing polyurethane resin and dimethylformamide, then uniformly stirring and adding poly-bismaleimide and 2, 2-dimethylpropionaldehyde, stirring for 30-35min at the temperature of 40-45 ℃, sequentially adding hindered phenol antioxidant and light stabilizer, stirring, and cooling to room temperature to obtain a surface treating agent;
s3, coating operation: coating the surface treating agent S2 on the vamp of the woman boot, wherein the thickness of the coating is 2-3mm, and drying in an oven at 50-55 ℃.
8. The method for preparing an anti-aging female boot as claimed in claim 7, wherein: and adding the hindered phenol antioxidant and micron-sized talcum powder, polyethylene and benzoyl peroxide into the S2, keeping the temperature at 40-45 ℃, and stirring for reacting for 15-25 min.
9. The method for preparing an anti-aging female boot as claimed in claim 7, wherein: in the S2, tetrabutyltin can be added while adding the light stabilizer, and the mixture is stirred for 8-10min at the temperature of 30-40 ℃.
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| CN202010178548.0A CN111234671A (en) | 2020-03-14 | 2020-03-14 | Anti-aging women's boots and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112442307A (en) * | 2020-11-25 | 2021-03-05 | 浙江戈美其鞋业有限公司 | Waterproof single shoe and processing technology thereof |
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| CN105113281A (en) * | 2015-09-29 | 2015-12-02 | 浙江皮意纺织有限公司 | Process for manufacturing anti-yellowing artificial leather fabrics with polyurethane coatings |
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| CN112442307A (en) * | 2020-11-25 | 2021-03-05 | 浙江戈美其鞋业有限公司 | Waterproof single shoe and processing technology thereof |
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Application publication date: 20200605 |