CN111543753B - Handbag with cowhide finishing layer - Google Patents
Handbag with cowhide finishing layer Download PDFInfo
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- CN111543753B CN111543753B CN202010507318.4A CN202010507318A CN111543753B CN 111543753 B CN111543753 B CN 111543753B CN 202010507318 A CN202010507318 A CN 202010507318A CN 111543753 B CN111543753 B CN 111543753B
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- China
- Prior art keywords
- bag body
- finishing
- layer
- cowhide
- parts
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Links
- 238000007493 shaping process Methods 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000002759 woven fabric Substances 0.000 claims abstract description 4
- 239000010985 leather Substances 0.000 claims description 50
- 239000007788 liquid Substances 0.000 claims description 25
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- 102000008186 Collagen Human genes 0.000 claims description 19
- 108010035532 Collagen Proteins 0.000 claims description 19
- 229920001436 collagen Polymers 0.000 claims description 19
- 239000000835 fiber Substances 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 16
- 229920000642 polymer Polymers 0.000 claims description 15
- 239000004094 surface-active agent Substances 0.000 claims description 15
- 239000007822 coupling agent Substances 0.000 claims description 13
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 12
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 12
- 239000011324 bead Substances 0.000 claims description 12
- 229910052731 fluorine Inorganic materials 0.000 claims description 12
- 239000011737 fluorine Substances 0.000 claims description 12
- 239000003921 oil Substances 0.000 claims description 12
- 235000010413 sodium alginate Nutrition 0.000 claims description 12
- 239000000661 sodium alginate Substances 0.000 claims description 12
- 229940005550 sodium alginate Drugs 0.000 claims description 12
- 229920013822 aminosilicone Polymers 0.000 claims description 11
- 239000003431 cross linking reagent Substances 0.000 claims description 11
- 229910021645 metal ion Inorganic materials 0.000 claims description 11
- 150000003839 salts Chemical class 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 238000007598 dipping method Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 230000001054 cortical effect Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- NWGKJDSIEKMTRX-AAZCQSIUSA-N Sorbitan monooleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O NWGKJDSIEKMTRX-AAZCQSIUSA-N 0.000 claims description 5
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 239000012466 permeate Substances 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000004753 textile Substances 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000005336 cracking Methods 0.000 abstract 1
- 238000007790 scraping Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 26
- 230000035699 permeability Effects 0.000 description 8
- 241000283690 Bos taurus Species 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 238000004132 cross linking Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 239000006224 matting agent Substances 0.000 description 4
- 238000002791 soaking Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 210000004207 dermis Anatomy 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 229920001213 Polysorbate 20 Polymers 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 description 2
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- AEMOLEFTQBMNLQ-BZINKQHNSA-N D-Guluronic Acid Chemical compound OC1O[C@H](C(O)=O)[C@H](O)[C@@H](O)[C@H]1O AEMOLEFTQBMNLQ-BZINKQHNSA-N 0.000 description 1
- AEMOLEFTQBMNLQ-VANFPWTGSA-N D-mannopyranuronic acid Chemical compound OC1O[C@H](C(O)=O)[C@@H](O)[C@H](O)[C@@H]1O AEMOLEFTQBMNLQ-VANFPWTGSA-N 0.000 description 1
- IAJILQKETJEXLJ-UHFFFAOYSA-N Galacturonsaeure Natural products O=CC(O)C(O)C(O)C(O)C(O)=O IAJILQKETJEXLJ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- AEMOLEFTQBMNLQ-UHFFFAOYSA-N beta-D-galactopyranuronic acid Natural products OC1OC(C(O)=O)C(O)C(O)C1O AEMOLEFTQBMNLQ-UHFFFAOYSA-N 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- MKJXYGKVIBWPFZ-UHFFFAOYSA-L calcium lactate Chemical compound [Ca+2].CC(O)C([O-])=O.CC(O)C([O-])=O MKJXYGKVIBWPFZ-UHFFFAOYSA-L 0.000 description 1
- 229960002401 calcium lactate Drugs 0.000 description 1
- 239000001527 calcium lactate Substances 0.000 description 1
- 235000011086 calcium lactate Nutrition 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C3/00—Flexible luggage; Handbags
- A45C3/06—Ladies' handbags
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C3/00—Flexible luggage; Handbags
-
- 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
- C14C15/00—Apparatus for chemical treatment or washing of hides, skins, or leather
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention discloses a handbag with a cowhide finishing layer, which comprises a handle and a bag body with a bag opening at the top; the front and the back of the bag body are respectively provided with a pair of horizontally distributed connecting seats; the handle is semicircular, and two ends of the handle are respectively provided with a rotating shaft which horizontally extends towards two sides; the rotating shaft is rotatably connected in the connecting seat; the bag body is provided with a cowhide finishing layer, a shaping plate and a woven fabric layer from outside to inside in sequence, wherein the shaping plate is only distributed on the front surface, the back surface and the bottom surface of the bag body. The bag body has the characteristics of water resistance, mildew resistance, cracking resistance and good glossiness, the specially processed cowhide layer is adopted by the bag body, the shape of the bag body can be always kept by the shaping plate of the bag body, articles which are afraid of being extruded inside are placed in the first inner cavity and the second inner cavity, the scraping and the extrusion cannot occur, and the defects in the prior art are effectively overcome.
Description
Technical Field
The invention belongs to the technical field of textile articles, and particularly relates to a handbag with a cowhide finishing layer.
Background
With the rich development of social material culture, people have more personalized demands, and the pursuit of living goods is continuously improved. Handbags are increasingly important in daily life and are essential for people on business trips and traveling. Nowadays, handbags have become one of the essential items for people, especially girls, to go out.
The handbag mainly adopts cortex and imitative leather matter, and some adopt to spin the cloth material and spin materials such as some PE layers of cloth spraying, though the material is various, the compliance is relatively poor to inside breed the bacterium easily, its waterproof nature is also relatively poor, can take place the gloss dim after the use, and the result of use is very unsatisfactory even to the fracture.
Some are equipped with lighting device in the handbag, adapt to darker environment, but the circuit is laid the confusion, and some are exposed even, fill up debris after, need feel the switch of looking for even, use very inconveniently. Liquid bottles and tanks such as cosmetic water, milk, drinking water cups and the like are contained in the bag body, and many people carry the extrusion type no-clean disinfectant. These all place in the package, because the inclusion form differs, even vertically place in the inclusion, also can appear tilting, mutual extrusion along with carrying, placing etc. and cause and leak to the inclusion in. The handle of the bag body is generally sewed on the bag body, which has poor aesthetic effect, can not be replaced and is very inconvenient to use.
Disclosure of Invention
The invention aims to solve the technical problems of inconvenience in use and poor use effect of a handbag in the prior art, and provides a handbag with a cowhide finishing layer to overcome the defects in the prior art.
A handbag with a cowhide finishing layer comprises a handle and a bag body with a bag opening at the top; the front and the back of the bag body are respectively provided with a pair of horizontally distributed connecting seats; the handle is semicircular, and two ends of the handle are respectively provided with a rotating shaft which horizontally extends towards two sides; the rotating shaft is rotatably connected in the connecting seat; the bag body is provided with a cowhide finishing layer, a shaping plate and a woven fabric layer from outside to inside in sequence, wherein the shaping plate is only distributed on the front surface, the back surface and the bottom surface of the bag body.
Furthermore, two sealing layers corresponding to the bag opening are arranged on the inner side of the bag body, and a corresponding zipper is arranged between the two sealing layers; the top of cow hide arrangement layer covers the parcel with the top of stereotype board from the outside to inboard, is connected with the juncture of sealing layer and inclusion.
Further, a first inner cavity and a second inner cavity which are separated by a cortical layer are arranged in the bag body; a corresponding zipper is arranged between the cortical layer of the first inner cavity and the bag body; the leather layer of the second inner cavity is provided with an elastic strip; the first inner cavity and the second inner cavity are respectively attached to the inner layers of the front surface and the back surface of the bag body.
Furthermore, three parallel groups are arranged in a second inner cavity in the ladle body, and the inner cavities are large at two sides and small in the middle; the cortex layer of the second inner cavity adopts an elastic net body.
Further, a lamp bead is arranged in the bag body, and a battery box is arranged at the bottom of the bag body; a lead between the battery box and the lamp beads is laid on the surface of the shaping plate; a switch corresponding to the lamp beads in series connection is arranged on the outer side of the bag body; the switches are distributed at the bottom of the connecting seat in a hidden mode.
Furthermore, the longitudinal section of stereotype board is "U" shape that the top was closed up, the material adoption of stereotype board has elastic plastics material or metal material, be equipped with the lightening hole on the stereotype board.
Further, the cowhide finishing layer is prepared according to the following process:
(1) preparing functional finishing liquid, wherein the functional finishing liquid comprises the following components in parts by weight: 5 parts of fluorine-containing polymer ATLASOL WRF, 1.5 parts of amino silicone oil, 3.5 parts of collagen fiber, 2 parts of sodium alginate, 0.5 part of metal ion salt cross-linking agent copper chloride, 5600.4 parts of organosilicon coupling agent, 1 part of flatting agent silicon dioxide, 1 part of surfactant and 36 parts of water;
(2) performing surface finishing on the tanned and finished cow leather in a dipping mode, dipping the cow leather in the functional finishing liquid for 40min to ensure that the functional finishing liquid fully permeates into the cow leather, and then taking out the cow leather to drain off excessive water;
(3) carrying out low-temperature shaping finishing in an oven, wherein the temperature of the low-temperature shaping finishing is 50 ℃, and the finishing time is 40 min; and obtaining the cowhide finishing layer.
Furthermore, the surfactant is a mixture of span-80 and sodium dodecyl benzene sulfonate, and the weight ratio of the span-80 to the sodium dodecyl benzene sulfonate is 4: 6.
Further, the particle size of the collagen fiber is 100 nm.
Furthermore, the preparation method of the functional finishing liquid comprises the following steps: weighing the components according to the parts by weight, firstly adding the surfactant into water, uniformly stirring, then slowly adding the flatting agent and the organic silicon coupling agent 560, then sequentially adding the sodium alginate, the fluorine-containing polymer, the amino silicone oil and the collagen fiber, finally adding the metal ion salt cross-linking agent, controlling the stirring speed to be 300r/min, and uniformly stirring to obtain the material.
The beneficial effects achieved by the present application mainly include, but are not limited to, the following aspects:
the utility model provides a rational in infrastructure, convenient to use, the inclusion adopts special treatment's cow hide layer comprehensive properties excellent, and the stereotype board of inclusion can let the inclusion remain the form all the time, and inside is afraid of the extruded article that holds and places at first inner chamber and second inner chamber, can not take place to build and move and extrude, the effectual not enough of prior art of having solved.
In the process of treating the cowhide, sodium alginate is added into the finishing liquid, guluronic acid on the sodium alginate and sodium ions on mannuronic acid are exchanged with cations in a metal ion salt cross-linking agent, a network-shaped macromolecular structure is further chelated, cross-linking is generated among macromolecular chains, a body-shaped polymer is formed, the polymer forms a film on the surface of the leather, and technicians find that the hand feeling of the leather is influenced by the low-temperature setting condition, the hand feeling of the leather is hard due to excessive cross-linking and leather damage caused by overhigh temperature, the mechanical strength such as tensile strength of the leather is reduced, the setting temperature is lower, the waterproof performance of the leather surface is not greatly improved, and after the obtained leather is washed for n times (more than or equal to 5), the soft performance and the antifouling performance of the leather surface are reduced, and by controlling proper cross-linking temperature and time, can meet the requirements of soft and smooth leather hand feeling. The temperature of low-temperature setting finishing is preferably 30-50 ℃, the finishing time is preferably 20-60min, and the influence of the crosslinking temperature is larger.
According to the application, the fluorine-containing polymer is added into the finishing liquid, the fluorine-containing polymer is a fluorocarbon polymer, is anionic, has low surface tension, is good in wettability and permeability, can be spread on the surface of the leather, and is endowed with excellent characteristics of water resistance, dirt resistance, oil resistance and the like on the surface of the leather, and the addition of the amino silicone oil is also beneficial to further reducing the surface tension of the leather without damaging the respiratory performance of the leather. The collagen fibers are added, the chemical composition of the collagen fibers is similar to that of dermis, the finishing agent can be better contacted with the dermis, meanwhile, the size of the collagen fibers is controlled to be 50-200nm, the proper size does not reduce the influence of the adhesion of the finishing agent on the air permeability of the dermis, meanwhile, the collagen fibers have the effect of beautifying and decorating the surface of the cortex, and the surface gloss of the cortex is finer and softer. The matting agent and the organosilicon coupling agent are used in a matched manner, soft luster is given to the leather surface, the color saturation degree is reduced, and meanwhile, under the action of the coupling agent, the matting agent and a polymer with poor affinity are coupled through two active groups, namely a methoxy group and an epoxy group, of the coupling agent, so that the dispersion uniformity of a system is improved, and the dispersion uniformity and the bonding fastness of the matting agent on the leather are further improved. And the matting agent can play a role in thickening without adding any thickening agent additionally. The finishing liquor is not added with an organic solvent, is a water-based system, is mild in finishing conditions, only needs to be impregnated at room temperature, is shaped at low temperature subsequently, can realize the adhesion of a functional finishing agent on the surface of leather, avoids high temperature and high humidity, avoids pollution caused by the solvent simultaneously, ensures the ecological environmental protection performance in the preparation process, obviously improves the flexibility and the waterproof performance of the leather after finishing, improves other mechanical properties such as tensile strength and the like to some extent, and does not reduce the air permeability.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic left-side view of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic cross-sectional view of the present invention;
FIG. 5 is a schematic bottom view of the present invention;
fig. 6 is a schematic structural view of the sizing plate of the present invention.
In the figure, the bag comprises a handle 1, a handle 2, a rotating shaft 3, a connecting seat 4, a bag body 5, a front face 51, a back face 6, a switch 7, a bag opening 8, a side face 9, a sealing layer 10, a zipper 11, a lamp bead 12, a battery box 13, a cowhide finishing layer 14, a shaping plate 15, a woven fabric layer 16, a first inner cavity 17, a leather layer 18, an elastic strip 19, a second inner cavity 20, a lead 21 and lightening holes.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
According to the figures 1-6, the handbag with the cowhide finishing layer comprises a handle 1 and a bag body 4 with a bag opening 7 at the top; the front 5 and the back 51 of the bag body are respectively provided with a pair of horizontally distributed connecting seats 3; the handle is semicircular, and two ends of the handle are respectively provided with a rotating shaft 2 which horizontally extends towards two sides; the rotating shaft is rotatably connected in the connecting seat 3; the bag body is provided with a cowhide finishing layer 13, a shaping plate 14 and a woven cloth layer 15 from outside to inside in sequence, wherein the shaping plate is only distributed on the front surface, the back surface and the bottom surface of the bag body.
Two sealing layers 9 corresponding to the bag opening are arranged on the inner side of the bag body, and a corresponding zipper 10 is arranged between the two sealing layers; the top of the cowhide finishing layer 13 covers and wraps the top of the shaping plate 14 from the outer side to the inner side, and is connected with the junction of the sealing layer and the bag body.
A first inner cavity 16 and a second inner cavity 19 which are separated by a cortical layer 17 are arranged in the bag body; a corresponding zipper is arranged between the cortical layer of the first inner cavity and the bag body; the cortex layer of the second inner cavity is provided with an elastic strip 18; the first inner cavity and the second inner cavity are respectively attached to the inner layers of the front surface and the back surface of the bag body.
The second inner cavity 19 in the ladle body is provided with three groups in parallel, and the sizes of the inner cavities are large at two sides and small in the middle; and the cortex layer of the second inner cavity adopts an elastic net body.
A lamp bead 11 is arranged in the bag body, and a battery box 12 is arranged at the bottom of the bag body; a lead 20 between the battery box and the lamp beads is laid on the surface of the shaping plate; a switch 6 corresponding to the lamp beads in series connection is arranged on the outer side of the bag body; the switches are distributed at the bottom of the connecting seat 3 in a hidden way.
The longitudinal section of the shaping plate 14 is in a U shape with a top closed, the shaping plate is made of elastic plastic materials or metal materials, and lightening holes are formed in the shaping plate.
The lightening holes are in a shape of a circle or a strip which is distributed in a staggered mode, and the occupied area of the lightening holes does not exceed 1/3 of the area of the shaping plate.
The side surface 8 of the bag body is provided with an extension which is folded inwards at ordinary times, and the bag opening is opened to realize relaxation, so that the bag opening can be opened to a larger size.
The handle adopts crooked elastic metal strip, and the outside parcel spins cloth layer and leather layer, the pivot elasticity grafting at handle both ends is in the connecting seat. Exert force from both sides to the centre with the handle, the handle takes place the deformation, breaks away from in the pivot of both sides from the connecting seat, and the handle of changing different colours or style adopts the same mode to install, realizes the change to the handle. One bag body can correspond to a plurality of handles, so that free matching is realized.
The connecting seat is fixedly connected with the shaping plate through a rivet; the lamp beads are arranged at the rivet positions, so that the lamp beads are convenient to fix and connect with a circuit.
Example 2
The cowhide finishing layer of example 1 is a finished cowhide as follows:
test example 1
(1) Preparing functional finishing liquid, wherein the functional finishing liquid comprises the following components: 4 parts of fluorine-containing polymer ATLASOL WRF, 1 part of amino silicone oil, 3 parts of collagen fiber, 1.5 parts of sodium alginate, 0.25 part of metal ion salt cross-linking agent calcium chloride, 5500.2 parts of organosilicon coupling agent, 0.2 part of flatting agent titanium dioxide, 0.5 part of surfactant and 30 parts of water;
weighing the components in parts by weight, firstly adding a surfactant into water, uniformly stirring, then slowly adding a flatting agent and an organic silicon coupling agent 550, continuously stirring, then sequentially adding sodium alginate, a fluorine-containing polymer, amino silicone oil and collagen fibers, finally adding a metal ion salt crosslinking agent, controlling the stirring speed to be 200r/min, and uniformly stirring;
(2) and (3) carrying out surface finishing on the tanned and finished leather by adopting a dipping mode. Soaking at room temperature, soaking cowhide in the above finishing liquid for 30min to ensure that the finishing liquid is fully permeated into the cowhide, taking out, and draining off excessive water;
(3) carrying out low-temperature shaping finishing in an oven, wherein the temperature of the low-temperature shaping finishing is 30 ℃, and the finishing time is 60 min; so as to fully attach the finishing agent to the surface of the cowhide to obtain the finished cowhide.
The surfactant is a mixture of OP-10 and sodium dodecyl sulfate, and the weight ratio of the OP-10 to the sodium dodecyl sulfate is 3: 7.
The particle size of the collagen fiber is 150 nm.
Test example 2
(1) Preparing functional finishing liquid, wherein the functional finishing liquid comprises the following components: 5 parts of fluorine-containing polymer ATLASOL WRF, 1.5 parts of amino silicone oil, 3.5 parts of collagen fiber, 2 parts of sodium alginate, 0.5 part of metal ion salt cross-linking agent copper chloride, 5600.4 parts of organosilicon coupling agent, 1 part of flatting agent silicon dioxide, 1 part of surfactant and 36 parts of water;
weighing the components in parts by weight, firstly adding a surfactant into water, uniformly stirring, then slowly adding a flatting agent and an organic silicon coupling agent 560, then sequentially adding sodium alginate, a fluorine-containing polymer, amino silicone oil and collagen fibers, finally adding a metal ion salt cross-linking agent, controlling the stirring speed to be 300r/min, and uniformly stirring;
(2) performing surface finishing on the tanned and finished genuine leather by adopting a dipping mode, soaking the cowhide in the finishing liquid for 40min to ensure that the finishing liquid fully permeates into the cowhide, then taking out, and draining off excessive water;
(3) carrying out low-temperature shaping finishing in an oven, wherein the temperature of the low-temperature shaping finishing is 50 ℃, and the finishing time is 40 min; thus obtaining the finished cowhide.
The surfactant is a mixture of span-80 and sodium dodecyl benzene sulfonate, and the weight ratio of the span-80 to the sodium dodecyl benzene sulfonate is 4: 6.
The particle size of the collagen fiber is 100 nm.
Test example 3
Steps (1) and (2) were the same as in test example 2;
(3) carrying out low-temperature shaping finishing in an oven, wherein the temperature of the low-temperature shaping finishing is 60 ℃, and the finishing time is 40 min; thus obtaining the finished cowhide.
Test example 4
Steps (1) and (2) were the same as in test example 2;
(3) carrying out low-temperature shaping finishing in an oven, wherein the temperature of the low-temperature shaping finishing is 50 ℃, and the finishing time is 80 min; thus obtaining the finished cowhide.
Test example 5
(1) Preparing functional finishing liquid, wherein the functional finishing liquid comprises the following components: 6 parts of fluorine-containing polymer ATLASOL WRF, 2 parts of amino silicone oil, 4 parts of collagen fiber, 2.5 parts of sodium alginate, 0.75 part of calcium lactate serving as a metal ion salt crosslinking agent, 5500.5 parts of an organosilicon coupling agent, 2 parts of silicon dioxide serving as a delustering agent, 1.5 parts of a surfactant and 40 parts of water;
weighing the components in parts by weight, firstly adding a surfactant into water, uniformly stirring, then slowly adding a flatting agent and an organic silicon coupling agent 550, then sequentially adding sodium alginate, a fluorine-containing polymer, amino silicone oil and collagen fibers, finally adding a metal ion salt cross-linking agent, controlling the stirring speed to be 200r/min, and uniformly stirring;
(2) performing surface finishing on the tanned and finished genuine leather by adopting a dipping mode, soaking the cowhide in the finishing liquid for 20min to ensure that the finishing liquid fully permeates into the cowhide, then taking out, and draining off excessive water;
(3) carrying out low-temperature shaping finishing in an oven, wherein the temperature of the low-temperature shaping finishing is 40 ℃, and the finishing time is 40 min; thus obtaining the finished cowhide.
The surfactant is a mixture of tween-20 and sodium dodecyl sulfate, and the weight ratio of the tween-20 to the sodium dodecyl sulfate is 4: 6.
The particle size of the collagen fiber is 200 nm.
Blank control example 1: selecting the tanned and finished cowhide, not finishing by the finishing method of the application, and taking the cowhide as a blank control sample to compare the finishing effect difference.
Comparative example 2: a control test was performed using the waterproof film-forming agent of CN 109182622 a in example 1, and the non-tanned cowhide was sprayed until the cowhide was completely wetted, drained until no excess droplets fell, and naturally dried.
Test examples 1-5 and control cattle hides 1, 2 were tested;
the tensile strength and the elongation are measured according to the method of GB/T2710-2005 measurement of tensile strength and elongation of leather physical and mechanical tests;
the air permeability is measured according to the method of GB/T4689.22-1996 leather air permeability measuring method;
the soft performance is evaluated in an organoleptic evaluation mode, a plurality of 10 x 10cm cowhide test samples are taken, the leather is subjected to hand feeling evaluation and grading, and the average grade of the test is taken as the evaluation, wherein the grade 1-hand feeling is hard, the grade 2-hand feeling is hard, the grade 3-hand feeling is soft, the grade 4-hand feeling is soft, and the grade 5-hand feeling is very soft.
The water resistance of leather is characterized by hydrophobicity, and is expressed by the static contact angle of water on the surface of the grain side of the leather.
The test results are shown in table 1 below:
TABLE 1 test data for leather
| Test items | Test example 1 | Test example 2 | Test example 3 | Test example 4 | Test example 5 | Comparative example 1 | Comparative example 2 | |
| | 4 | Grade | 5 | | | | | |
| Air permeability/mL.cm2.h-1 | 956 | 945 | 901 | 890 | 985 | 926 | 840 | |
| Tensile strength Mpa | 15.7 | 16.2 | 14.9 | 15.1 | 16.4 | 15.3 | 15.4 | |
| Elongation% | 43.3 | 45.5 | 38.3 | 40.0 | 44.3 | 41.2 | 41.1 | |
| Static contact angle | 105 degrees | 122 degree | 126 degree | 122 degree | 135 degree | 79 degree | 95 degree |
TABLE 2 test data for leather after 5 washes
| Test items | Test example 2 (after washing 5 times) | Comparative example 1 (No-Wash) | Comparative example 2 (after washing 5 times) | |
| | Grade | 5 | | |
| Air permeability/mL.cm2.h-1 | 932 | 926 | 869 | |
| Tensile strength Mpa | 16.1 | 15.3 | 15.3 | |
| Elongation% percent | 45.4 | 41.2 | 41.0 | |
| Static contact angle | 120 degrees | 79 degree | 91 degree |
The tests of the physical properties show that the leather after finishing has obviously improved hand feeling and obviously improved waterproof performance, the tensile strength and the elongation are not reduced under proper finishing conditions, but are improved to different degrees, and the influence of the finishing conditions on the hand feeling, the tensile strength and the elongation is larger, which may be caused by promoting the crosslinking and the adhesion of the finishing agent on the surface of the leather due to low-temperature shaping, the adhesion of the fluorocarbon finishing agent improves the waterproof performance, the film forming of the functional finishing agent on the leather improves the hand feeling and other mechanical properties of the leather, but the higher the heating temperature of the shaping and the longer the heating time are, the better the obtained finishing effect is.
It can be seen from the test results of table 1 that the air permeability of the finished leather is not deteriorated. The unfinished leather surface is 79 degrees and shows hydrophilicity, when the static contact angle is larger than 90 degrees, namely the leather surface is hydrophobic, the finished leather surface has better water resistance, and the water resistance is superior to that of the waterproof film forming agent in the prior art.
Referring to table 2, the leather of test example 2 was washed 5 times without significant decrease in softness and waterproof performance. After the cowhide of the comparative example 2 is washed for 5 times, the softness and the waterproof performance are obviously reduced, so that the combination fastness of the functional finishing agent and the cowhide is obviously superior to that of the existing waterproof film forming agent.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (5)
1. A handbag with a cowhide finishing layer comprises a handle and a bag body with a bag opening at the top; the bag is characterized in that the front and the back of the bag body are respectively provided with a pair of horizontally distributed connecting seats; the handle is semicircular, and two ends of the handle are respectively provided with a rotating shaft which horizontally extends towards two sides; the rotating shaft is rotatably connected in the connecting seat; the bag body is sequentially provided with a cowhide finishing layer, a shaping plate and a woven fabric layer from outside to inside, wherein the shaping plate is only distributed on the front surface, the back surface and the bottom surface of the bag body;
two sealing layers corresponding to the bag opening are arranged on the inner side of the bag body, and a corresponding zipper is arranged between the two sealing layers; the top of the cowhide finishing layer covers and wraps the top of the shaping plate from the outer side to the inner side and is connected with the junction of the sealing layer and the bag body;
a first inner cavity and a second inner cavity which are separated by a cortical layer are arranged in the bag body; a corresponding zipper is arranged between the cortical layer of the first inner cavity and the bag body; the leather layer of the second inner cavity is provided with an elastic strip; the first inner cavity and the second inner cavity are respectively attached to the inner layers of the front surface and the back surface of the bag body;
the side surface of the bag body is provided with an extension;
the lifting handle is made of a bent elastic metal strip, a textile layer and a leather layer are wrapped outside the lifting handle, and rotating shafts at two ends of the lifting handle are elastically inserted into the connecting seat;
a lamp bead is arranged in the bag body, and a battery box is arranged at the bottom of the bag body; a lead between the battery box and the lamp beads is laid on the surface of the shaping plate; a switch corresponding to the lamp beads in series connection is arranged on the outer side of the bag body; the switches are distributed at the bottom of the connecting seat in a hidden way;
the cowhide finishing layer is prepared by the following process:
(1) preparing functional finishing liquid, wherein the functional finishing liquid comprises the following components in parts by weight: 5 parts of fluorine-containing polymer ATLASOL WRF, 1.5 parts of amino silicone oil, 3.5 parts of collagen fiber, 2 parts of sodium alginate, 0.5 part of metal ion salt cross-linking agent copper chloride, 5600.4 parts of organosilicon coupling agent, 1 part of flatting agent silicon dioxide, 1 part of surfactant and 36 parts of water;
(2) performing surface finishing on the tanned and finished cow leather in a dipping mode, dipping the cow leather in the functional finishing liquid for 40min to ensure that the functional finishing liquid fully permeates into the cow leather, taking out the cow leather, and draining off redundant water;
(3) carrying out low-temperature shaping finishing in an oven, wherein the temperature of the low-temperature shaping finishing is 50 ℃, and the finishing time is 40 min; thus obtaining a cowhide finishing layer;
the preparation method of the functional finishing liquid comprises the following steps: weighing the components according to the parts by weight, firstly adding the surfactant into water, uniformly stirring, then slowly adding the flatting agent and the organic silicon coupling agent 560, then sequentially adding the sodium alginate, the fluorine-containing polymer, the amino silicone oil and the collagen fiber, finally adding the metal ion salt cross-linking agent, controlling the stirring speed to be 300r/min, and uniformly stirring to obtain the material.
2. The handbag with the cowhide finish layer according to claim 1, wherein the second inner cavities in the handbag body are provided with three groups in parallel, and the sizes of the inner cavities are large at two sides and small in the middle; and the cortex layer of the second inner cavity adopts an elastic net body.
3. The handbag with the cowhide finishing layer as claimed in claim 1, wherein the longitudinal section of the shaping plate is in a U shape with a top closed end, the shaping plate is made of elastic plastic material or metal material, and the shaping plate is provided with lightening holes.
4. The handbag according to claim 1, wherein the surfactant is a mixture of span-80 and sodium dodecylbenzenesulfonate in a weight ratio of 4: 6.
5. The handbag according to claim 1, wherein the collagen fibers have a particle size of 100 nm.
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Denomination of invention: Bag with cowhide finishing layer Effective date of registration: 20221114 Granted publication date: 20220712 Pledgee: Zhejiang Fuyang rural commercial bank Limited by Share Ltd. Dongzhou branch Pledgor: Hangzhou Tianlong handbag Co.,Ltd. Registration number: Y2022980021860 |
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Date of cancellation: 20230911 Granted publication date: 20220712 Pledgee: Zhejiang Fuyang rural commercial bank Limited by Share Ltd. Dongzhou branch Pledgor: Hangzhou Tianlong handbag Co.,Ltd. Registration number: Y2022980021860 |
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Effective date of registration: 20231025 Address after: 310000 No. 575 Golf Road, Dongzhou Street, Fuyang District, Hangzhou City, Zhejiang Province (self declared) Patentee after: Hangzhou Shengjie Handbag Co.,Ltd. Address before: 311400 No. 575, Golf Road, Dongzhou street, Fuyang District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Tianlong handbag Co.,Ltd. |