CN113243621A - Anti-abrasion boots for women and preparation method thereof - Google Patents
Anti-abrasion boots for women and preparation method thereof Download PDFInfo
- Publication number
- CN113243621A CN113243621A CN202110555656.XA CN202110555656A CN113243621A CN 113243621 A CN113243621 A CN 113243621A CN 202110555656 A CN202110555656 A CN 202110555656A CN 113243621 A CN113243621 A CN 113243621A
- Authority
- CN
- China
- Prior art keywords
- boot
- parts
- wear
- coating agent
- abrasion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005299 abrasion Methods 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title abstract description 18
- 239000011248 coating agent Substances 0.000 claims abstract description 132
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 102
- 229920006122 polyamide resin Polymers 0.000 claims abstract description 57
- -1 acetoacetic acid cinnamyl ester Chemical class 0.000 claims abstract description 52
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 44
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 41
- WDJHALXBUFZDSR-UHFFFAOYSA-N Acetoacetic acid Natural products CC(=O)CC(O)=O WDJHALXBUFZDSR-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 34
- 239000002994 raw material Substances 0.000 claims abstract description 20
- 238000005507 spraying Methods 0.000 claims abstract description 18
- 238000003756 stirring Methods 0.000 claims description 54
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 48
- VVJKKWFAADXIJK-UHFFFAOYSA-N Allylamine Chemical compound NCC=C VVJKKWFAADXIJK-UHFFFAOYSA-N 0.000 claims description 35
- 229920000515 polycarbonate Polymers 0.000 claims description 30
- 239000004417 polycarbonate Substances 0.000 claims description 30
- 238000002156 mixing Methods 0.000 claims description 29
- 238000001816 cooling Methods 0.000 claims description 26
- 239000003999 initiator Substances 0.000 claims description 26
- 150000008064 anhydrides Chemical class 0.000 claims description 21
- 239000002383 tung oil Substances 0.000 claims description 21
- DCQBZYNUSLHVJC-UHFFFAOYSA-N 3-triethoxysilylpropane-1-thiol Chemical compound CCO[Si](OCC)(OCC)CCCS DCQBZYNUSLHVJC-UHFFFAOYSA-N 0.000 claims description 19
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 12
- BDCAQAAKRKWXFW-VMPITWQZSA-N [(e)-3-phenylprop-2-enyl] 3-oxobutanoate Chemical compound CC(=O)CC(=O)OC\C=C\C1=CC=CC=C1 BDCAQAAKRKWXFW-VMPITWQZSA-N 0.000 claims description 11
- LQZZUXJYWNFBMV-UHFFFAOYSA-N ethyl butylhexanol Natural products CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 8
- 238000009958 sewing Methods 0.000 claims description 8
- 238000007493 shaping process Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical group [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 6
- 235000010265 sodium sulphite Nutrition 0.000 claims description 6
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 5
- FUOZJYASZOSONT-UHFFFAOYSA-N 2-propan-2-yl-1h-imidazole Chemical compound CC(C)C1=NC=CN1 FUOZJYASZOSONT-UHFFFAOYSA-N 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- 238000000576 coating method Methods 0.000 abstract description 30
- 238000001179 sorption measurement Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000006185 dispersion Substances 0.000 abstract description 2
- WFDIJRYMOXRFFG-UHFFFAOYSA-N acetic anhydride Substances CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 abstract 2
- 238000012360 testing method Methods 0.000 description 23
- 230000000052 comparative effect Effects 0.000 description 18
- 229920002521 macromolecule Polymers 0.000 description 14
- 239000012752 auxiliary agent Substances 0.000 description 12
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Natural products CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 11
- 239000003795 chemical substances by application Substances 0.000 description 10
- 238000000227 grinding Methods 0.000 description 8
- 238000004132 cross linking Methods 0.000 description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N glycerol group Chemical group OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 7
- 239000001257 hydrogen Substances 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- 239000004698 Polyethylene Substances 0.000 description 6
- 239000002390 adhesive tape Substances 0.000 description 6
- 125000003277 amino group Chemical group 0.000 description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 6
- 229920000573 polyethylene Polymers 0.000 description 6
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N N-phenyl amine Natural products NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 5
- 230000009471 action Effects 0.000 description 5
- 102000008186 Collagen Human genes 0.000 description 4
- 108010035532 Collagen Proteins 0.000 description 4
- 229920001436 collagen Polymers 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 4
- 125000004430 oxygen atom Chemical group O* 0.000 description 4
- CUXYLFPMQMFGPL-UHFFFAOYSA-N (9Z,11E,13E)-9,11,13-Octadecatrienoic acid Natural products CCCCC=CC=CC=CCCCCCCCC(O)=O CUXYLFPMQMFGPL-UHFFFAOYSA-N 0.000 description 3
- LZAZXBXPKRULLB-UHFFFAOYSA-N Diisopropyl disulfide Chemical group CC(C)SSC(C)C LZAZXBXPKRULLB-UHFFFAOYSA-N 0.000 description 3
- CUXYLFPMQMFGPL-SUTYWZMXSA-N all-trans-octadeca-9,11,13-trienoic acid Chemical compound CCCC\C=C\C=C\C=C\CCCCCCCC(O)=O CUXYLFPMQMFGPL-SUTYWZMXSA-N 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 235000011187 glycerol Nutrition 0.000 description 3
- 239000010985 leather Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920006267 polyester film Polymers 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004581 coalescence Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 231100000241 scar Toxicity 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- SDOFMBGMRVAJNF-KVTDHHQDSA-N (2r,3r,4r,5r)-6-aminohexane-1,2,3,4,5-pentol Chemical group NC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO SDOFMBGMRVAJNF-KVTDHHQDSA-N 0.000 description 1
- OCNZHGHKKQOQCZ-CLFAGFIQSA-N [(z)-octadec-9-enoyl] (z)-octadec-9-enoate Chemical group CCCCCCCC\C=C/CCCCCCCC(=O)OC(=O)CCCCCCC\C=C/CCCCCCCC OCNZHGHKKQOQCZ-CLFAGFIQSA-N 0.000 description 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
- 125000002490 anilino group Chemical group [H]N(*)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- WJSDHUCWMSHDCR-VMPITWQZSA-N cinnamyl acetate Natural products CC(=O)OC\C=C\C1=CC=CC=C1 WJSDHUCWMSHDCR-VMPITWQZSA-N 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 150000002028 dodecanols Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0205—Uppers; Boot legs characterised by the material
- A43B23/0235—Different layers of different material
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D8/00—Machines for cutting, ornamenting, marking or otherwise working up shoe part blanks
-
- 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
- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D151/08—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- C09D177/00—Coating compositions based on polyamides obtained by reactions forming a carboxylic amide link in the main chain; Coating compositions based on derivatives of such polymers
-
- 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
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- 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
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C11/00—Surface finishing of leather
- C14C11/003—Surface finishing of leather using macromolecular compounds
Abstract
The application relates to the field of lady boots, and particularly discloses an anti-abrasion lady boot and a preparation method thereof. The anti-abrasion female boot comprises a boot sole, a boot surface and a boot leg, wherein the surfaces of the boot surface and the boot leg are finished by an anti-abrasion coating agent, and the anti-abrasion coating agent comprises the following raw materials: polyamide resin, acetoacetic acid cinnamyl ester, silicon dioxide, a film-forming assistant and a crosslinking agent; the preparation method comprises the following steps: s1, preparing a wear-resistant coating agent; s2, spraying an abrasion-resistant coating agent; and S2, spraying the wear-resistant coating agent. The anti-abrasion female boot is finished by the anti-abrasion coating agent, the adsorption force between a coating film and the boot surface or the boot leg can be increased by the aid of the acetyl acetate cinnamyl ester in the anti-abrasion coating agent, the acetyl acetate cinnamyl ester and the polyamide resin are crosslinked to achieve the effect of stress dispersion, the coating film is not easy to tear, the boot surface and the boot leg are protected by the coating film formed by the anti-abrasion coating agent, the coating film is not easy to tear and abrade, anti-abrasion performance of the female boot is improved, and the situation that the boot surface and the boot leg are cracked due to friction is reduced.
Description
Technical Field
The application relates to the field of lady boots, in particular to an anti-abrasion lady boot and a preparation method thereof.
Background
A woman's boot is a common daily necessity, and generally includes: a sole, a vamp and a bootleg.
For example, a Chinese utility model with patent publication No. CN211532919U discloses a pair of lady boots, which comprises a boot sole, a boot vamp and a boot leg, wherein the heel part of the boot sole is connected with a heel, the boot leg is a flexible sheet and is provided with a through hole with an opening at the upper end, the through hole extends along the vertical direction, and two opposite side walls are closed by a zipper; the top end of the boot leg is connected with an adjusting sheet, the end part of the adjusting sheet, far away from the connecting part of the adjusting sheet and the boot leg, is provided with a positioning hole, and the side surface of the boot leg is connected with a plurality of positioning buttons matched with the positioning hole along the vertical direction.
The boot surface and the boot leg are generally made of leather, when a woman wears the lady boot and rubs the wall surface or the hard block in the walking process, the surface of the boot surface is easy to crack or even tear, the use of the lady boot is affected, and improvement needs to be achieved.
Disclosure of Invention
In order to solve the problem that the surface of the woman boot is easy to crack when the woman boot is rubbed with a wall surface or a hard block, the application provides an anti-abrasion woman boot and a preparation method thereof.
In a first aspect, the present application provides an anti-abrasion lady boot, which adopts the following technical scheme:
the anti-abrasion female boot comprises a boot sole, a boot upper and a boot leg, wherein the surfaces of the boot upper and the boot leg are finished by an abrasion-resistant coating agent, and the abrasion-resistant coating agent comprises the following raw materials in parts by weight:
60-75 parts of polyamide resin;
20-25 parts of cinnamyl acetoacetate;
10-14 parts of silicon dioxide;
2-5 parts of a film-forming aid;
1-2 parts of a cross-linking agent.
By adopting the technical scheme, the polyamide resin has good mechanical strength and wear resistance, the polyamide resin is used as the base material of the wear-resistant coating agent to ensure that the wear-resistant coating agent has good wear resistance, the friction coefficient of the polyamide resin is low, and when a coating film formed on the surfaces of the boot leg and the boot vamp by the wear-resistant coating agent is rubbed with other objects, the wear of the coating film can be reduced, so that the wear resistance of the wear-resistant coating agent can be indirectly improved.
The molecular structure of the acetoacetic acid cinnamyl ester contains ester bonds, the collagen fibers are the main component of leather, oxygen atoms on the ester bonds can form hydrogen bonds with hydrogen atoms on hydroxyl groups on the collagen fibers on the shoe surface or the boot leg, the adsorption force between a coating film formed by the wear-resistant coating agent and the shoe surface or the boot leg is increased, the condition that the coating film is separated or peeled off from the shoe surface or the boot leg is reduced, and the wear resistance of the wear-resistant coating agent is indirectly improved.
The method comprises the steps that the acetoacetic acid cinnamyl ester and the polyamide resin are crosslinked under the action of a crosslinking agent, so that the acetoacetic acid cinnamyl ester is connected with the polyamide resin macromolecules through crosslinking bonds, ester bonds on the acetoacetic acid cinnamyl ester are soft segments, when a coating is rubbed, if the ester bonds on the acetoacetic acid cinnamyl ester are stressed, stress can be dispersed through the adjacent crosslinking bonds with the polyamide resin macromolecules, the ester bonds on the acetoacetic acid cinnamyl ester are protected from being broken, if the crosslinking bonds between the acetoacetic acid cinnamyl ester and the polyamide resin macromolecules are stressed, the stress can be dispersed through the adjacent ester bonds on the acetoacetic acid cinnamyl ester, the crosslinking bonds between the acetoacetic acid cinnamyl ester and the polyamide resin macromolecules are protected from being broken, the effect of dispersing stress is achieved, the coating is not easy to tear, and the wear resistance of the wear-resistant coating agent is indirectly improved.
The addition of the silicon dioxide can improve the hardness of the wear-resistant finishing agent, thereby improving the wear resistance of the wear-resistant finishing agent.
The shoe surface and the boot leg are protected by the coating film formed by the wear-resistant coating agent, when the shoe surface or the boot leg is rubbed, the friction force acts on the coating film on the surface of the shoe surface or the boot leg firstly, the situation that the friction force acts on the shoe surface or the boot leg directly to cause the shoe surface or the boot leg to be worn or broken is reduced, the wear-resistant performance of the female boot is improved, and the wear-resistant coating agent has good wear-resistant performance, so that the coating film is not easy to tear or wear after being subjected to the friction force, the shoe surface or the boot leg can be continuously protected, and the wear-resistant performance of the female boot is further improved.
Preferably, the raw materials further comprise, by weight, 10-15 parts of polycarbonate, 5-10 parts of tung oil anhydride and 5-10 parts of triethylamine.
By adopting the technical scheme, the polycarbonate has good toughness, the compatibility of the tung oil anhydride and the polycarbonate is good, and the tung oil anhydride and the polycarbonate are mixed and melted to form a mixture, wherein the tung oil anhydride in the mixture can react with macromolecules of the polyamide resin, so that the polycarbonate and the polyamide resin can be better mixed, a coating film formed by the wear-resistant finishing agent has good toughness and good wear resistance, the impact resistance of the coating film is improved, and the wear resistance of the manufactured boots for women can be improved.
Preferably, the raw material also comprises 5 to 8 parts of mono allyl amine and 0.5 to 0.8 part of initiator by weight.
By adopting the technical scheme, under the action of the initiator, the allyl amine can be grafted with the polyamide resin, so that more amino groups are introduced into the molecular structure of the macromolecule of the polyamide resin, hydrogen atoms on the amino groups and oxygen atoms on ester bonds on the acetoacetic acid cinnamyl ester can form hydrogen bonds, the number of the hydrogen bonds inside the wear-resistant coating agent is increased, the viscosity of the wear-resistant coating agent is improved, the adsorbability of a coating film formed by the wear-resistant coating agent on a boot surface or a boot shaft is further improved, the wear resistance of the wear-resistant coating agent is indirectly improved, and the wear-resistant performance of the manufactured boots is better.
Preferably, the initiator is potassium persulfate and sodium sulfite in a mass ratio of 1 (1-2).
Preferably, the raw materials also comprise 3-5 parts of 3-mercaptopropyltriethoxysilane by weight parts.
By adopting the technical scheme, hydroxyl exists on the surface of the silicon dioxide, and the 3-mercaptopropyltriethoxysilane can react with the hydroxyl on the surface of the silicon dioxide to further modify the surface of the silicon dioxide, so that the surface of the silicon dioxide is changed from hydrophilicity to lipophilicity, the dispersibility of the silicon dioxide in the wear-resistant coating agent is improved, the phenomenon that the silicon dioxide is easy to agglomerate after the viscosity of the wear-resistant coating agent is increased is reduced, the distribution of the silicon dioxide in the wear-resistant coating agent is more uniform, the hardness distribution of a coating film formed by the wear-resistant coating agent is more uniform, the wear resistance of the coating film is improved, and the wear resistance of the manufactured boots is better.
Preferably, the coalescing agent is a dodecanol ester.
By adopting the technical scheme, the dodecanol ester has good hydrolytic stability, high coalescence performance and strong coalescence capability, can effectively reduce the lowest film-forming temperature of the wear-resistant coating agent under the condition of less using amount, has good continuity of film forming of the dodecanol ester and proper volatility, can be completely volatilized within a short time after the wear-resistant coating agent is formed into a film, and cannot influence the hardness and the gloss of the film.
Preferably, the cross-linking agent is one of dicumyl peroxide and 2-isopropyl imidazole.
In a second aspect, the application provides a preparation method of an anti-abrasion female boot, which adopts the following technical scheme:
a preparation method of an anti-abrasion female boot comprises the following steps:
s1, preparing a wear-resistant coating agent: uniformly stirring and mixing polyamide resin, acetoacetic acid cinnamyl ester, silicon dioxide, film-forming assistant and cross-linking agent at the temperature of 160-180 ℃, continuously stirring and reacting for 1-2h, and cooling to room temperature to prepare the wear-resistant coating agent;
s2, spraying an abrasion-resistant coating agent; spraying the wear-resistant coating agent prepared in the step S1 on the surfaces of one side of the cut boot vamp and the boot leg, and drying at the temperature of 40-50 ℃;
s3, preparing the female boots: and (5) sewing and fixing the vamp and the leg of the boot obtained in the step (S2) with the cut boot sole, and shaping and finishing to obtain the finished product of the woman boot.
Preferably, in the S1, 10-14 parts of silicon dioxide and 3-5 parts of 3-mercaptopropyltriethoxysilane are mixed, then the mixture is heated to 55-65 ℃ while being stirred, and the stirring reaction is continued for 40-50min, so that modified silicon dioxide is prepared;
mixing 60-75 parts of polyamide resin, 5-8 parts of monoallylamine and 0.5-0.8 part of initiator, stirring and reacting at the temperature of 160-180 ℃ for 5-10min, and cooling to room temperature to obtain a product A;
stirring and uniformly mixing 10-15 parts of polycarbonate and 5-10 parts of tung oil anhydride at 230 ℃, then adding the product A and 5-10 parts of triethylamine, stirring and reacting for 15-20min, then adding 20-25 parts of acetoacetic acid cinnamyl ester, 10-14 parts of modified silicon dioxide, 2-5 parts of film-forming additive and 1-2 parts of cross-linking agent, stirring and uniformly mixing, cooling to 180 ℃, stirring and reacting for 1-2h, cooling to room temperature, and obtaining the wear-resistant coating agent
By adopting the technical scheme, the reaction of the polyamide resin and the mono-allylamine is separately carried out from the mixing of other raw materials, so that the interference of other components on the reaction of the polyamide resin and the mono-allylamine is reduced, and the grafting product of the polyamide resin and the mono-allylamine is favorably obtained.
In summary, the present application has the following beneficial effects:
1. the boot comprises a boot surface, a boot shaft, a sole and a sole.
2. Polycarbonate, tung oil anhydride and triethylamine are preferably adopted in the wear-resistant coating agent, the polycarbonate has good toughness, the compatibility of the tung oil anhydride and the polycarbonate is good, after the two are mixed and melted, the tung oil anhydride in the formed mixture can react with macromolecules of the polyamide resin, so that the polycarbonate and the polyamide resin can be better mixed, a coating film formed by the wear-resistant coating agent has good toughness and good wear resistance, the impact strength of the coating film is improved, and the wear resistance of the manufactured boots can be improved.
3. In the application, preferably, the allyl amine and the initiator are adopted, and under the action of the initiator, the allyl amine can be grafted with the polyamide resin, so that more amino groups are introduced into the molecular structure of the macromolecule of the polyamide resin, hydrogen bonds can be formed between the amino groups and ester bonds on the acetoacetic acid cinnamyl ester, the viscosity of the wear-resistant coating agent is improved, the adsorbability of a coating film on a boot surface or a boot leg is further improved, the wear resistance of the wear-resistant coating agent is indirectly improved, and the wear resistance of the manufactured boots is better.
Detailed Description
The present application will be described in further detail with reference to examples.
The polyamide resin is purchased from chemical technology Limited of Jinan Dahui, Commodity number: 057; the acetoacetic acid cinnamyl ester is purchased from Zhang home Hongkong Dadi New Material science and technology Co., Ltd; the silicon dioxide is purchased in a combined and unfolded chemical engineering strength store, and the product number is as follows: 5275; polycarbonates are available from Shanghai, Qifu plastification, Inc., under the trade designation: PC-1100; eleostearic acid anhydride was purchased from chemical reagents ltd, wuweng, guangdong; monoallylamine available from Hubeixin Rundchemical Co., Ltd; 3-mercaptopropyltriethoxysilane was purchased from caruncle morning light chemical company, ltd; dodecanol esters were purchased from Runzhong chemical Co., Ltd, Guangzhou, cat #: c12; the tester in the wear resistance test is a whole shoe wear resistance tester of a high-speed rail detection instrument company, and the model is GT-7012-NGB.
The raw materials used in the following embodiments may be those conventionally commercially available unless otherwise specified.
Examples
Example 1
The application discloses abrasionproof boots for women, including the sole of the boots, vamp and leg of a boot, the surface of vamp and leg of a boot all passes through the finishing of wear-resistant coating agent, and wear-resistant coating agent includes following raw materials: the composite material comprises polyamide resin, acetoacetic acid cinnamyl ester, silicon dioxide, a film-forming aid and a crosslinking agent, wherein the film-forming aid adopts dodecyl alcohol ester, the crosslinking agent adopts dicumyl peroxide, and the content of each component is shown in the following table 1-1.
The preparation method of the wear-resistant female boot comprises the following steps:
s1, preparing a wear-resistant coating agent: uniformly stirring and mixing polyamide resin, acetoacetic acid cinnamyl ester, silicon dioxide, film-forming assistant and cross-linking agent at 160 ℃, continuously stirring for reacting for 2 hours, and cooling to room temperature to prepare the wear-resistant coating agent;
s2, spraying an abrasion-resistant coating agent; spraying the wear-resistant coating agent prepared in the step S1 on the surfaces of one side of the cut boot upper and boot leg, and drying at 40 ℃;
s3, preparing the female boots: and (5) sewing and fixing the vamp and the leg of the boot obtained in the step (S2) with the cut boot sole, and shaping and finishing to obtain the finished product of the woman boot.
Example 2
The application discloses abrasionproof boots for women, including the sole of the boots, vamp and leg of a boot, the surface of vamp and leg of a boot all passes through the finishing of wear-resistant coating agent, and wear-resistant coating agent includes following raw materials: the composite material comprises polyamide resin, acetoacetic acid cinnamyl ester, silicon dioxide, a film-forming aid and a crosslinking agent, wherein the film-forming aid adopts dodecyl alcohol ester, the crosslinking agent adopts dicumyl peroxide, and the content of each component is shown in the following table 1-1.
The preparation method of the wear-resistant female boot comprises the following steps:
s1, preparing a wear-resistant coating agent: uniformly stirring and mixing polyamide resin, acetoacetic acid cinnamyl ester, silicon dioxide, film-forming assistant and cross-linking agent at 180 ℃, continuously stirring for reacting for 1h, and cooling to room temperature to prepare the wear-resistant coating agent;
s2, spraying an abrasion-resistant coating agent; spraying the wear-resistant coating agent prepared in the step S1 on the surfaces of one side of the cut boot upper and boot leg, and drying at 50 ℃;
s3, preparing the female boots: and (5) sewing and fixing the vamp and the leg of the boot obtained in the step (S2) with the cut boot sole, and shaping and finishing to obtain the finished product of the woman boot.
Example 3
The application discloses abrasionproof boots for women, including the sole of the boots, vamp and leg of a boot, the surface of vamp and leg of a boot all passes through the finishing of wear-resistant coating agent, and wear-resistant coating agent includes following raw materials: the composite material comprises polyamide resin, acetoacetic acid cinnamyl ester, silicon dioxide, a film-forming aid and a crosslinking agent, wherein the film-forming aid adopts dodecyl alcohol ester, the crosslinking agent adopts dicumyl peroxide, and the content of each component is shown in the following table 1-1.
The preparation method of the wear-resistant female boot comprises the following steps:
s1, preparing a wear-resistant coating agent: uniformly stirring and mixing polyamide resin, acetoacetic acid cinnamyl ester, silicon dioxide, film-forming assistant and crosslinking agent at 170 ℃, continuously stirring for reacting for 1.5h, and cooling to room temperature to prepare the wear-resistant coating agent;
s2, spraying an abrasion-resistant coating agent; spraying the wear-resistant coating agent prepared in the step S1 on the surfaces of one side of the cut boot upper and boot leg, and drying at the temperature of 45 ℃;
s3, preparing the female boots: and (5) sewing and fixing the vamp and the leg of the boot obtained in the step (S2) with the cut boot sole, and shaping and finishing to obtain the finished product of the woman boot.
Example 4
The difference from the example 1 is that polycarbonate, tung oil anhydride and triethylamine are added into the raw materials of the wear-resistant finishing agent, and the content of each component is shown in the following table 1-1.
S1, preparing a wear-resistant coating agent: uniformly stirring and mixing polycarbonate and tung oil anhydride at 220 ℃, then adding polyamide resin and triethylamine, stirring and reacting for 20min, then adding acetoacetic acid cinnamyl ester, silicon dioxide, film-forming auxiliary agent and cross-linking agent, stirring and uniformly mixing, cooling to 160 ℃, stirring and reacting for 2h, and cooling to room temperature to obtain the wear-resistant coating agent.
Example 5
The difference from example 1 is that allyl amine and an initiator are added to the raw materials of the wear-resistant coating agent, the initiator adopts potassium persulfate and sodium sulfite with the mass ratio of 1:1, and the content of each component is shown in the following table 1-1.
S1, preparing a wear-resistant coating agent: mixing polyamide resin, allyl amine and an initiator, stirring and reacting for 10min at 160 ℃, and cooling to room temperature to obtain a product A;
and uniformly stirring the product A, the acetoacetic acid cinnamyl ester, the silicon dioxide, the film forming auxiliary agent and the cross-linking agent at 160 ℃, continuously stirring for reacting for 2 hours, and cooling to room temperature to prepare the wear-resistant coating agent.
Example 6
The difference from example 5 is that 3-mercaptopropyltriethoxysilane was added to the raw materials of the abrasion resistant coating agent, and the contents of the respective components are shown in the following table 1-1.
S1, preparing a wear-resistant coating agent: mixing silicon dioxide and 3-mercaptopropyltriethoxysilane, heating to 55 ℃ while stirring, and continuously stirring for reacting for 50min to obtain modified silicon dioxide;
mixing polyamide resin, allyl amine and an initiator, stirring and reacting for 10min at 160 ℃, and cooling to room temperature to obtain a product A;
and uniformly stirring the product A, the acetoacetic acid cinnamyl ester, the modified silicon dioxide, the film forming auxiliary agent and the cross-linking agent at 160 ℃, continuously stirring for reacting for 2 hours, and cooling to room temperature to prepare the wear-resistant coating agent.
Example 7
The application discloses abrasionproof boots for women, including the sole of the boots, vamp and leg of a boot, the surface of vamp and leg of a boot all passes through the finishing of wear-resistant coating agent, and wear-resistant coating agent includes following raw materials: the polyester film forming agent comprises polyamide resin, acetoacetic acid cinnamyl ester, silicon dioxide, a film forming auxiliary agent, a cross-linking agent, polycarbonate, tung oil anhydride, triethylamine, mono-allyl amine, an initiator and 3-mercaptopropyl triethoxysilane, wherein the film forming auxiliary agent adopts dodecyl alcohol ester, the cross-linking agent adopts 2-isopropyl imidazole, the initiator adopts potassium persulfate and sodium sulfite with the mass ratio of 1:2, and the content of each component is shown in the following table 1-1.
The preparation method of the wear-resistant female boot comprises the following steps:
s1, preparing a wear-resistant coating agent: mixing silicon dioxide and 3-mercaptopropyltriethoxysilane, heating to 55 ℃ while stirring, and continuously stirring for reacting for 50min to obtain modified silicon dioxide;
mixing polyamide resin, allyl amine and an initiator, stirring and reacting for 10min at 160 ℃, and cooling to room temperature to obtain a product A;
uniformly stirring and mixing polycarbonate and tung oil anhydride at 220 ℃, then adding the product A and triethylamine, stirring and reacting for 20min, then adding the acetoacetic acid cinnamyl ester, the modified silicon dioxide, the film-forming auxiliary agent and the crosslinking agent, stirring and uniformly mixing, cooling to 160 ℃, stirring and reacting for 2h, and cooling to room temperature to prepare the wear-resistant coating agent;
s2, spraying an abrasion-resistant coating agent; spraying the wear-resistant coating agent prepared in the step S1 on the surfaces of one side of the cut boot upper and boot leg, and drying at 40 ℃;
s3, preparing the female boots: and (5) sewing and fixing the vamp and the leg of the boot obtained in the step (S2) with the cut boot sole, and shaping and finishing to obtain the finished product of the woman boot.
Example 8
The application discloses abrasionproof boots for women, including the sole of the boots, vamp and leg of a boot, the surface of vamp and leg of a boot all passes through the finishing of wear-resistant coating agent, and wear-resistant coating agent includes following raw materials: the polyester film forming agent comprises polyamide resin, acetoacetic acid cinnamyl ester, silicon dioxide, a film forming auxiliary agent, a cross-linking agent, polycarbonate, tung oil anhydride, triethylamine, mono-allyl amine, an initiator and 3-mercaptopropyl triethoxysilane, wherein the film forming auxiliary agent adopts dodecyl alcohol ester, the cross-linking agent adopts 2-isopropyl imidazole, the initiator adopts potassium persulfate and sodium sulfite with the mass ratio of 1:2, and the content of each component is shown in the following table 1-1.
The preparation method of the wear-resistant female boot comprises the following steps:
s1, preparing a wear-resistant coating agent: mixing silicon dioxide and 3-mercaptopropyltriethoxysilane, heating to 65 ℃ while stirring, and continuously stirring for reaction for 40min to obtain modified silicon dioxide;
mixing polyamide resin, allyl amine and an initiator, stirring and reacting for 5min at 180 ℃, and cooling to room temperature to obtain a product A;
uniformly stirring and mixing polycarbonate and tung oil anhydride at 230 ℃, then adding the product A and triethylamine, stirring and reacting for 15min, then adding the acetoacetic acid cinnamyl ester, the modified silicon dioxide, the film-forming auxiliary agent and the crosslinking agent, stirring and uniformly mixing, cooling to 180 ℃, stirring and reacting for 1h, and cooling to room temperature to prepare the wear-resistant coating agent;
s2, spraying an abrasion-resistant coating agent; spraying the wear-resistant coating agent prepared in the step S1 on the surfaces of one side of the cut boot upper and boot leg, and drying at 50 ℃;
s3, preparing the female boots: and (5) sewing and fixing the vamp and the leg of the boot obtained in the step (S2) with the cut boot sole, and shaping and finishing to obtain the finished product of the woman boot.
Example 9
The application discloses abrasionproof boots for women, including the sole of the boots, vamp and leg of a boot, the surface of vamp and leg of a boot all passes through the finishing of wear-resistant coating agent, and wear-resistant coating agent includes following raw materials: the polyester film forming agent comprises polyamide resin, acetoacetic acid cinnamyl ester, silicon dioxide, a film forming auxiliary agent, a cross-linking agent, polycarbonate, tung oil anhydride, triethylamine, mono-allyl amine, an initiator and 3-mercaptopropyl triethoxysilane, wherein the film forming auxiliary agent adopts dodecyl alcohol ester, the cross-linking agent adopts 2-isopropyl imidazole, the initiator adopts potassium persulfate and sodium sulfite with the mass ratio of 1:2, and the content of each component is shown in the following table 1-2.
The preparation method of the wear-resistant female boot comprises the following steps:
s1, preparing a wear-resistant coating agent: mixing silicon dioxide and 3-mercaptopropyltriethoxysilane, heating to 60 ℃ while stirring, and continuously stirring for reacting for 45min to obtain modified silicon dioxide;
mixing polyamide resin, allyl amine and an initiator, stirring and reacting for 7min at 170 ℃, and cooling to room temperature to obtain a product A;
uniformly stirring and mixing polycarbonate and tung oil anhydride at 225 ℃, then adding the product A and triethylamine, stirring and reacting for 17min, then adding the acetoacetic acid cinnamyl ester, the modified silicon dioxide, the film-forming auxiliary agent and the crosslinking agent, stirring and uniformly mixing, cooling to 170 ℃, stirring and reacting for 1.5h, and cooling to room temperature to prepare the wear-resistant coating agent;
s2, spraying an abrasion-resistant coating agent; spraying the wear-resistant coating agent prepared in the step S1 on the surfaces of one side of the cut boot upper and boot leg, and drying at the temperature of 45 ℃;
s3, preparing the female boots: and (5) sewing and fixing the vamp and the leg of the boot obtained in the step (S2) with the cut boot sole, and shaping and finishing to obtain the finished product of the woman boot.
Example 10
The difference from example 4 is that polycarbonate was replaced with polyethylene and the contents of the respective components are shown in tables 1 to 2 below.
Example 11
The difference from example 4 is that oleic anhydride was replaced with glycerol and the contents of the components are shown in tables 1-2 below.
Example 12
The difference from example 5 is that monoallylamine was replaced with aniline, and the contents of the components are shown in tables 1 to 2 below.
Example 13
The difference from example 6 is that 3-mercaptopropyltriethoxysilane was replaced with isopropyl disulfide, and the contents of the respective components are shown in tables 1-2 below.
Comparative example
Comparative example 1
The difference from example 1 was that the bootie and bootie were used as blank controls without finishing with the abrasion resistant finish of the present application.
Comparative example 2
The difference from example 1 is that the polyamide resin was replaced with polyethylene and the contents of the respective components are shown in tables 1 to 2 below.
Comparative example 3
The difference from example 1 is that cinnamyl acetoacetate was replaced with acetic acid, and the contents of each component are shown in tables 1-2 below.
Comparative example 4
The difference from comparative example 2 is that cinnamyl acetoacetate is replaced by acetic acid, and the contents of each component are shown in tables 1-2 below.
TABLE 1-1 ingredient content table (unit: g)
| Example 1 | Example 2 | Example 3 | Practice ofExample 4 | Example 5 | Example 6 | Example 7 | Example 8 | |
| Polyamide resin/polyethylene | 600 | 750 | 680 | 600 | 600 | 600 | 600 | 750 |
| Acetoacetic acid cinnamyl ester/acetic acid | 200 | 250 | 230 | 200 | 200 | 200 | 200 | 250 |
| Silicon dioxide | 100 | 140 | 120 | 100 | 100 | 100 | 100 | 140 |
| Film forming aid | 20 | 50 | 30 | 20 | 20 | 20 | 20 | 50 |
| Crosslinking agent | 10 | 20 | 10 | 10 | 10 | 10 | 10 | 20 |
| Polycarbonate/polyethylene | / | / | / | 100 | / | / | 100 | 150 |
| Eleostearic acid anhydride/glycerin | / | / | / | 50 | / | / | 50 | 100 |
| Triethylamine | / | / | / | 50 | / | / | 50 | 100 |
| Monoallylamine/aniline | / | / | / | / | 50 | 50 | 50 | 80 |
| Initiator | / | / | / | / | 5 | 5 | 5 | 8 |
| 3-mercaptopropyltriethoxysilane/isopropyldisulfide | / | / | / | / | / | 30 | 30 | 50 |
TABLE 1-2 ingredient content table (unit: g)
| Example 9 | Example 10 | Example 11 | Example 12 | Example 13 | Comparative example 2 | Comparative example 3 | Comparative example 4 | |
| Polyamide resin/polyethylene | 680 | 600 | 600 | 600 | 600 | 600 | 600 | 600 |
| Acetoacetic acid cinnamyl ester/acetic acid | 230 | 200 | 200 | 200 | 200 | 200 | 200 | 200 |
| Silicon dioxide | 120 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Film forming aid | 30 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Crosslinking agent | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Polycarbonate/polyethylene | 130 | 100 | 100 | / | / | / | / | / |
| Eleostearic acid anhydride/glycerin | 75 | 50 | 50 | / | / | / | / | / |
| Triethylamine | 75 | 50 | 50 | / | / | / | / | / |
| Monoallylamine/aniline | 65 | / | / | 50 | 50 | / | / | / |
| Initiator | 7 | / | / | 5 | 5 | / | / | / |
| 3-mercaptopropyltriethoxysilane/isopropyldisulfide | 40 | / | / | / | 30 | / | / | / |
Performance test
The shoe upper surfaces coated with the abrasion resistant coating agent prepared by the preparation methods of examples 1 to 13 and comparative examples 1 to 4 were used as test pieces, and the specifications of the test pieces were 15cm × 15 cm.
(1) Abrasion resistance test (abrasion resistance of the shoe vamp is characterized by the wear scar length of the shoe vamp): placing the sample at room temperature for 12h, adjusting each part of the tester normally before testing, controlling the grinding wheel to idle for 5min, polishing and flattening the worn part of the sample, fixing the sample at the left end of a balance of the wear-resistant tester, enabling the worn part of the sample to face upwards and level, adjusting the position of the grinding wheel to align the worn part of the sample, adding weights to the left end of the balance to balance the two ends of the balance (the pointer points to zero), adding 500g weights to the right end of the balance, adjusting the height position of the grinding wheel to enable the pointer of the balance to point to zero, screwing a fastening handle of a grinding wheel shaft, starting the tester, adjusting the rotating speed of the grinding wheel to 191 +/-5 r/min, resetting the test time to 20min, displaying the time, starting the test (if the grinding wheel rod presses the sample in the test process, stopping the test), and after the test, measuring the lengths of two sides of a grinding mark on the sample by using a vernier caliper, on average, the shorter the wear scar length, the better the wear resistance of the sample, and the test results are shown in table 2 below.
(2) Impact resistance test: the abrasion-resistant finishes prepared according to the preparation methods of examples 1, 4, 10-11 were tested for impact resistance according to the standard GB/T1732-1997, the results of which are shown in Table 2 below.
(3) Adsorption test: the surface of the test pieces obtained in examples 1, 5 and 12 and comparative example 3 was scribed with a blade having a blade pitch of 5mm (a blade angle of 20 ° ± 5 °) into 10 × 10 grids of 10mm × 10mm, the boots under the abrasion resistant finish were drawn out deeply, the chips in the vicinity of the grids were brushed clean with a brush, the entire grids on each test piece were adhered and covered with an adhesive tape, the adhesive tape could not be wrinkled and the adhesive tape was wiped strongly with an eraser to increase the contact area and force of the adhesive tape with the grids, the adhesive tape was rapidly peeled off, the number of the grids adhered on the adhesive tape was recorded, the more the adhered grids, the poorer the adsorbability was, and the test results were as shown in table 2 below.
(4) And (3) viscosity testing: the wear-resistant finishes were prepared according to the preparation methods of examples 1, 5 and 12, stirred and the viscosity of the wear-resistant finish was observed and recorded, using 5 minutes, with 5 minutes being the maximum viscosity, and the test results are shown in table 2 below.
(5) And (3) testing the dispersibility: an abrasion resistant coating agent was prepared according to the preparation methods of examples 1, 5 to 6, and 13, and the dispersion state of silica or modified silica in the abrasion resistant coating agent was observed and recorded, and the test results are shown in table 2 below.
TABLE 2 test results of examples and comparative examples
| Grinding crack length/mm | Impact resistance test (kg. times.cm) | Number of lattice/number | Viscosity measurement | Dispersibility test | |
| Example 1 | 5.3 | 49 | 31 | 3 | Agglomeration of 15% of the silica |
| Example 2 | 4.9 | / | / | / | / |
| Example 3 | 5.0 | / | / | / | / |
| Example 4 | 4.6 | 57 | / | / | / |
| Example 5 | 4.8 | / | 14 | 4 | 25% of silicon dioxide is agglomerated, and the agglomerated particles are large |
| Example 6 | 4.5 | / | / | / | No agglomeration occurs |
| Example 7 | 4.1 | / | / | / | / |
| Example 8 | 3.8 | / | / | / | / |
| Example 9 | 3.9 | / | / | / | / |
| Example 10 | 5.1 | 50 | / | / | / |
| Example 11 | 5.0 | 52 | / | / | / |
| Example 12 | 5.2 | / | 26 | 3 | / |
| Example 13 | 4.7 | / | / | / | 25 percent of modified silicon dioxide is agglomerated, and the agglomerated particles are larger |
| Comparative example 1 | 8.4 | / | / | / | / |
| Comparative example 2 | 6.3 | / | / | / | / |
| Comparative example 3 | 5.8 | / | 39 | / | / |
| Comparative example 4 | 6.6 | / | / | / | / |
In summary, the following conclusions can be drawn:
1. as can be seen by combining example 1 and comparative examples 1 and 3, and by combining table 2, the addition of cinnamyl acetoacetate improves the wear resistance of women's boots, probably because: the molecular structure of the acetoacetic acid cinnamyl ester contains ester bonds, the collagen fiber is the main component of leather, oxygen atoms on the ester bonds can form hydrogen bonds with hydrogen atoms on hydroxyl groups on the collagen fiber on the boot surface or the boot leg, so that the adsorption force between a coating film formed by the wear-resistant coating agent and the boot surface or the boot leg is increased, the condition that the coating film is separated and peeled from the boot surface or the boot leg is reduced, the wear resistance of the wear-resistant coating agent is indirectly improved, and the wear resistance of the manufactured female boot is better.
2. Combining example 1 and comparative examples 1-4 with table 2, it can be seen that the co-addition of polyamide resin and cinnamyl acetoacetate further improves the wear resistance of women's boots, probably because: the cinnamyl acetoacetate and the polyamide resin are crosslinked under the action of a crosslinking agent, so that the cinnamyl acetoacetate and the polyamide resin macromolecules are connected through crosslinking bonds, ester bonds on the cinnamyl acetoacetate are soft segments, when a coating is rubbed, if the ester bonds on the cinnamyl acetoacetate are stressed, stress can be dispersed through the adjacent cross-linking bond with the macromolecule of the polyamide resin, so as to protect the ester bond on the acetoacetic acid cinnamyl ester from being broken, if the cross-linking bond between the acetoacetic acid cinnamyl ester and the macromolecule of the polyamide resin is stressed, stress can be dispersed through ester bonds on adjacent cinnamyl acetate to protect cross-linked bonds between cinnamyl acetoacetate and polyamide resin macromolecules from being broken, so as to achieve the effect of dispersing stress, the coating film is not easy to tear, and the wear resistance of the wear-resistant finishing agent is indirectly improved, so that the wear resistance of the prepared boots for women can be improved.
3. As can be seen by combining examples 1, 4, 10-11 and Table 2, the co-addition of polyamide resin, polycarbonate, tung oil anhydride and triethylamine improves the wear resistance of the boots, which may be due to: the polycarbonate has good toughness, the compatibility of the tung oil anhydride and the polycarbonate is good, and the tung oil anhydride in the formed mixture can react with macromolecules of the polyamide resin after the polycarbonate and the polycarbonate are mixed and melted, so that the polycarbonate and the polyamide resin can be better blended, a coating film formed by the wear-resistant finishing agent has good toughness and good wear resistance, the impact strength of the coating film is improved, and the wear resistance of the prepared boots for women is improved.
4. As can be seen from the combination of examples 1, 5 and 12 and table 2, the addition of monoallylamine and initiator is beneficial for improving the wear resistance of women's boots, probably because: under the action of an initiator, the allyl amine can be grafted with the polyamide resin, so that more amino groups are introduced into the molecular structure of the macromolecule of the polyamide resin, hydrogen atoms on the amino groups and oxygen atoms on ester bonds on the acetoacetic acid cinnamyl ester can form hydrogen bonds, the number of the hydrogen bonds in the wear-resistant coating agent is increased, the viscosity of the wear-resistant coating agent is improved, the adsorbability of a coating film formed by the wear-resistant coating agent on a boot surface or a boot shaft is further improved, the wear resistance of the wear-resistant coating agent is indirectly improved, and the wear-resistant performance of the prepared woman boot is better.
5. As can be seen by combining examples 1, 5-6, and 13 with Table 2, the co-addition of silica and 3-mercaptopropyltriethoxysilane improved the wear performance of the bootie, perhaps because: hydroxyl exists on the surface of the silicon dioxide, and the 3-mercaptopropyltriethoxysilane can react with the hydroxyl on the surface of the silicon dioxide to further modify the surface of the silicon dioxide, so that the surface of the silicon dioxide is changed from hydrophilicity to lipophilicity, the dispersibility of the silicon dioxide in the wear-resistant coating agent is improved, the phenomenon that the silicon dioxide is easy to agglomerate after the viscosity of the wear-resistant coating agent is increased is reduced, the distribution of the silicon dioxide in the wear-resistant coating agent is more uniform, the hardness distribution of a coating film formed by the wear-resistant coating agent is more uniform, the wear resistance of the coating film is improved, and the wear resistance of the prepared boots is better.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (9)
1. The anti-abrasion female boot comprises a boot sole, a boot upper and a boot leg, and is characterized in that the surfaces of the boot upper and the boot leg are finished by an anti-abrasion coating agent, and the anti-abrasion coating agent comprises the following raw materials in parts by weight:
60-75 parts of polyamide resin;
20-25 parts of cinnamyl acetoacetate;
10-14 parts of silicon dioxide;
2-5 parts of a film-forming aid;
1-2 parts of a cross-linking agent.
2. The wear resistant lady boot of claim 1, wherein: the raw materials also comprise, by weight, 10-15 parts of polycarbonate, 5-10 parts of tung oil anhydride and 5-10 parts of triethylamine.
3. The wear resistant lady boot of claim 1, wherein: the raw material also comprises 5-8 parts of mono allyl amine and 0.5-0.8 part of initiator according to parts by weight.
4. The wear resistant lady boot of claim 3, wherein: the initiator is potassium persulfate and sodium sulfite with the mass ratio of 1 (1-2).
5. The wear resistant lady boot of claim 3, wherein: the raw material also comprises 3-5 parts of 3-mercaptopropyltriethoxysilane by weight.
6. The wear resistant lady boot of claim 1, wherein: the film-forming assistant is dodecyl alcohol ester.
7. The wear resistant lady boot of claim 1, wherein: the cross-linking agent is one of dicumyl peroxide and 2-isopropyl imidazole.
8. A method of making the wear resistant ladies' boots of claim 1, comprising the steps of:
s1, preparing a wear-resistant coating agent: uniformly stirring and mixing polyamide resin, acetoacetic acid cinnamyl ester, silicon dioxide, film-forming assistant and cross-linking agent at the temperature of 160-180 ℃, continuously stirring and reacting for 1-2h, and cooling to room temperature to prepare the wear-resistant coating agent;
s2, spraying an abrasion-resistant coating agent; spraying the wear-resistant coating agent prepared in the step S1 on the surfaces of one side of the cut boot vamp and the boot leg, and drying at the temperature of 40-50 ℃;
s3, preparing the female boots: and (5) sewing and fixing the vamp and the leg of the boot obtained in the step (S2) with the cut boot sole, and shaping and finishing to obtain the finished product of the woman boot.
9. The method of making an abrasion resistant lady boot as claimed in claim 8, wherein:
in the S1, 10-14 parts of silicon dioxide and 3-5 parts of 3-mercaptopropyltriethoxysilane are mixed, then the mixture is heated to 55-65 ℃ while being stirred, and the mixture is continuously stirred and reacts for 40-50min to obtain modified silicon dioxide;
mixing 60-75 parts of polyamide resin, 5-8 parts of monoallylamine and 0.5-0.8 part of initiator, stirring and reacting at the temperature of 160-180 ℃ for 5-10min, and cooling to room temperature to obtain a product A;
stirring and uniformly mixing 10-15 parts of polycarbonate and 5-10 parts of tung oil anhydride at 230 ℃, then adding the product A and 5-10 parts of triethylamine, stirring and reacting for 15-20min, then adding 20-25 parts of acetoacetic acid cinnamyl ester, 10-14 parts of modified silicon dioxide, 2-5 parts of film-forming additive and 1-2 parts of cross-linking agent, stirring and uniformly mixing, cooling to 180 ℃, stirring and reacting for 1-2h, and cooling to room temperature to obtain the wear-resistant coating agent.
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