CN111185984A - Processing method of wicker handicraft raw material - Google Patents
Processing method of wicker handicraft raw material Download PDFInfo
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- CN111185984A CN111185984A CN201911400631.1A CN201911400631A CN111185984A CN 111185984 A CN111185984 A CN 111185984A CN 201911400631 A CN201911400631 A CN 201911400631A CN 111185984 A CN111185984 A CN 111185984A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K9/00—Chemical or physical treatment of reed, straw, or similar material
- B27K9/002—Cane, bamboo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/025—Controlling the process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/12—Impregnating by coating the surface of the wood with an impregnating paste
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/16—Inorganic impregnating agents
- B27K3/163—Compounds of boron
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/16—Inorganic impregnating agents
- B27K3/20—Compounds of alkali metals or ammonium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/34—Organic impregnating agents
- B27K3/36—Aliphatic compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/04—Combined bleaching or impregnating and drying of wood
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K2240/00—Purpose of the treatment
- B27K2240/20—Removing fungi, molds or insects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K2240/00—Purpose of the treatment
- B27K2240/70—Hydrophobation treatment
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- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention relates to the technical field of wicker artware research, and discloses a processing method of wicker artware raw materials, which comprises the steps of preparing protective coating by using prepared protective particles and polyurethane emulsion, coating the wicker artware raw materials to form a protective film, and further processing and preparing the wicker artware, wherein the physical and mechanical properties of the wicker artware raw materials are improved by the processing method, and when the water content is 4-5%, the compressive strength reaches 93-96MPa, and the wicker artware is not easy to crack and deform. In addition, the treatment method is easy to construct, the curing and drying time is short, the treatment reagent can be recycled, the treated wicker also has good antistatic and corrosion resistant properties, and the method can well solve the problem that the processing and using performance of the weaving material in the field of wicker artware cannot be effectively improved.
Description
Technical Field
The invention belongs to the technical field of research on wicker artware, and particularly relates to a processing method of raw materials of the wicker artware.
Background
Wicker is one of the traditional handicraft articles in China. In ancient times, people only serve as common daily practical articles, and the ancient times of the people do not rise gradually until decades after the 20 th century, and the ancient times of the people also become projects for earning foreign exchange in export of parts of China. 6.7.2008, wicker was approved by the State Council and listed in the second national non-material cultural heritage list. With the continuous development of the industry, products are continuously innovated. The variety of wicker products is various, and various types of wicker products include mats, baskets, dustpans, baggers, wicker boxes, wicker baskets, basket nets, eating dishes and the like. In the aspect of export marketing, various washing baskets, flowerpot sleeves, picnic tableware baskets, hanging baskets, lampshades, kennels, cat nests, bird nests and the like are formed through development and design, and the value-raising effect that low-grade commodities become high-grade commodities is formed in the foreign trade, so that the foreign trade department pays attention to the value-raising effect.
The wicker is soft and easy to bend, uniform in thickness and elegant in color, and can be woven into various simple, natural, attractive, light and durable practical artworks through novel design. China has rich willow resources, and the willow woven artware industry has huge development prospects. However, the wicker raw material has many disadvantages, such as being influenced by environment, having large dry shrinkage and wet swelling deformation, being inflammable and not wear-resistant, etc., the existing modification treatment method mostly adopts treatment agents containing glue, fire retardant, etc. to carry out impregnation and reinforcement, but the treatment effect is not ideal, and only can play a certain effect in a short time, not only can not fundamentally improve the service performance and the service life of the wicker handicraft, but also causes complex processing, aggravates the treatment difficulty of industrial production pollutants, and is not beneficial to the lasting development of the wicker handicraft industry.
Disclosure of Invention
The invention aims to solve the existing problems and provides a processing method of raw materials of a wicker handicraft, which has higher deformation resistance, water resistance and corrosion resistance and ensures the dimensional stability while prolonging the service life of the wicker handicraft.
The invention is realized by the following technical scheme:
a processing method of wicker handicraft raw materials, its preferred scheme is, prepare and get the protective coating with the protective particle and polyurethane emulsion that are prepared, brush the raw materials of wicker handicraft, form the protective film, further process and prepare the wicker handicraft;
specifically, the processing method of the wicker handicraft raw material comprises the following processing steps:
pretreatment of wicker raw materials: peeling the complete wicker, soaking in 0.7-0.8% hydrogen peroxide diluent for 20-30 min, taking out, and drying in a vacuum drying oven for 14-18 h at 70-80 deg.C.
Preparing protective particles: putting 13-14 g of cobalt chloride into a beaker, adding 18-20 g of sodium oleate, adding 100-110 ml of deionized water with the temperature of 50-60 ℃ under stirring, continuously stirring for 40-50 minutes, transferring the mixture into a three-neck flask, adding 20-25 ml of ethanol and 10-15 ml of n-hexane into the flask, heating to 70-75 ℃, continuously stirring for reaction for 1-2 hours, transferring the obtained reaction product into a pressurized reaction kettle, adding 10-15 ml of 16-18% polyethylene glycol aqueous solution with the mass concentration, setting the reaction temperature to 200-210 ℃, the reaction time to 3-4 hours, the reaction pressure to 1.6-1.7MPa, after the reaction is finished, standing and layering, pouring out a clarified liquid, sequentially washing the rest materials for 4-6 times by using the deionized water and the absolute ethyl alcohol, drying the obtained product in a drying oven at 90-95 ℃ for 2-3 hours to obtain organic matter coated cobalt oxide particles with the size of 15-20 nanometers; placing 0.8-0.9 g of prepared organic matter coated cobalt oxide particles in a beaker, adding 60-65 ml of isopropanol, carrying out ultrasonic treatment for 10-15 minutes, then adding 1.4-1.7 g of titanium boride micro powder, carrying out indirect continuous ultrasonic treatment, stopping ultrasonic treatment for 2-3 minutes for 60-70 seconds, continuously working for 30-40 minutes, separating the ultrasonic mixed solution in a high-speed centrifugal mode, wherein the centrifugal speed is 3000-3500 rpm, recovering the solvent, obtaining a centrifuged precipitate, placing the precipitate in a tubular furnace, heating to 570-580 ℃ at the speed of 8-9 ℃/minute, carrying out heat preservation and calcination for 30-35 minutes, naturally cooling to room temperature along with the furnace, and obtaining a product, namely the protective particles; the particle size of the titanium boride micro powder is 0.8-1.0 micron.
Preparing a protective coating: adding the prepared protective particles into polyurethane emulsion, wherein the addition amount of the protective particles accounts for 0.02-0.04% of the mass of the polyurethane emulsion, stirring at the speed of 3000-3200 r/min for 40-60 min, adding an anti-settling agent and a defoaming agent, the addition amounts sequentially account for 0.10-0.12% and 0.15-0.17% of the mass of the polyurethane emulsion, adjusting the pH value of a system to be 7.7-8.0 by using a sodium hydroxide solution with the mass concentration of 15-19%, and performing ultrasonic treatment for 20-25 min to obtain the protective coating, wherein the protective coating has strong adhesive force on the surface of the wicker. The solid content of the polyurethane emulsion is 54-56%; the anti-settling agent is organic bentonite, and the defoaming agent is n-octanol.
Brushing to form a film: the prepared protective coating is uniformly coated on the pretreated wicker raw material, the coating thickness is 60-65 microns, the protective coating is dried and solidified into a film at the temperature of 110-120 ℃, the solidification time is 16-20 hours, and the relative humidity of air in the film forming process is 45-50%.
The wicker processed by the method has the advantages that the shrinkage rate and the wet expansion rate of wicker handicraft knitting are reduced, the dimensional stability is obviously improved, the physical and mechanical properties such as the compressive strength, the bending elasticity, the wear resistance and the like are improved, when the water content is 4-5%, the compressive strength reaches 93-96MPa, and the wicker is not easy to crack and deform. In addition, the treatment method is easy to construct, the curing and drying time is short, the treatment reagent can be recycled, and the treated wicker also has good antistatic and corrosion resistant properties. The wicker handicraft weaving material obtained by the treatment method has high comprehensive performance, so that the processed wicker products have improved grade, excellent use performance and prolonged service life.
Compared with the prior art, the invention has the following advantages: in order to solve the problem that the performance of the wicker handicraft in production and processing is poor due to the defects of the wicker handicraft weaving raw materials, the invention provides a processing method of the wicker handicraft raw materials, protective paint is prepared from the prepared protective particles and polyurethane emulsion, the wicker handicraft raw materials are painted to form a protective film, and the wicker handicraft is further processed and prepared. In addition, the treatment method is easy to construct, the curing and drying time is short, the treatment reagent can be recycled, the treated wicker also has good antistatic and corrosion resistance, the method can well solve the problem that the processing and using performance of the weaving material in the wicker handicraft field cannot be effectively improved, the method can also obtain better effects in other aspects besides improving the strength performance of the wicker handicraft weaving material, relieve the contradiction between supply and demand of high-quality handicrafts and effectively utilize the wicker handicraft weaving raw material, the invention effectively solves the problem that the application effect of the existing wicker handicraft weaving raw material in the wicker handicraft production field is not enough, has higher deformation resistance, water resistance and corrosion resistance while improving the service life of the wicker handicraft, ensures the dimensional stability, and is a high-performance wicker handicraft processing material, the method greatly exerts the advantages and characteristics of the weaving raw materials of the wicker handicraft, promotes the application and development of the wicker handicraft in the field of middle-high-end handicraft, improves the durability of the wicker handicraft, can realize the practical significance of improving the performance of the weaving material for the wicker handicraft and improving the market competitiveness, has higher value for the development and research of the wicker handicraft weaving material, obviously promotes the rapid development and the sustainable development of the modern wicker handicraft production and the weaving material research, and is a technical scheme which is extremely worthy of popularization and use.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described with reference to specific embodiments, and it should be understood that the specific embodiments described herein are only used for explaining the present invention and are not used for limiting the technical solutions provided by the present invention.
Example 1
A processing method of wicker handicraft raw materials is characterized in that protective paint is prepared by prepared protective particles and polyurethane emulsion, the wicker handicraft raw materials are brushed to form a protective film, and the wicker handicraft is further processed and prepared;
specifically, the processing method of the wicker handicraft raw material comprises the following processing steps:
s1: pretreatment of wicker raw materials: peeling the complete wicker, soaking the peeled complete wicker in 0.7% hydrogen peroxide diluent for 20 minutes, taking out the wicker, and drying the wicker in a vacuum drying oven for 14 hours at the drying temperature of 70 ℃.
S2: preparing protective particles: putting 13 g of cobalt chloride into a beaker, adding 18 g of sodium oleate, adding 100 ml of deionized water with the temperature of 50 ℃ under stirring, continuously stirring for 40 minutes, transferring the mixture into a three-neck flask, adding 20 ml of ethanol and 10 ml of n-hexane into the flask, heating to 70 ℃, continuously stirring for reacting for 1 hour to obtain a reaction product, transferring the reaction product into a pressurized reaction kettle, adding 10 ml of polyethylene glycol aqueous solution with the mass concentration of 16%, setting the reaction temperature to 200 ℃, the reaction time to be 3 hours, the reaction pressure to be 1.6MPa, standing for layering after the reaction is finished, pouring out a clarified liquid, sequentially washing the rest material for 4 times by using deionized water and absolute ethanol to obtain a product, and putting the product into a drying box with the temperature of 90 ℃ for drying for 2 hours to obtain organic matter-coated cobalt oxide particles with the size of 15-20 nanometers; placing 0.8 g of prepared organic matter-coated cobalt oxide particles in a beaker, adding 60 ml of isopropanol, carrying out ultrasonic treatment for 10 minutes, then adding 1.4 g of titanium boride micro powder, carrying out indirect continuous ultrasonic treatment, stopping ultrasonic treatment for 60 seconds after 2 minutes, continuously working for 30 minutes, separating an ultrasonic mixed solution in a high-speed centrifugal mode at the centrifugal speed of 3000 r/min, recovering a solvent to obtain a centrifuged precipitate, placing the precipitate in a tubular furnace, heating to 570 ℃ at the speed of 8 ℃/min, carrying out heat preservation and calcination for 30 minutes, and naturally cooling to room temperature along with the furnace to obtain a product, namely the protective particles; the particle size of the titanium boride micro powder is 0.8-1.0 micron.
S3: preparing a protective coating: adding the prepared protective particles into a polyurethane emulsion, wherein the addition amount of the protective particles accounts for 0.02 percent of the mass of the polyurethane emulsion, stirring at the speed of 3000 r/min for 40 min, adding an anti-settling agent and a defoaming agent, the addition amounts sequentially account for 0.10 percent and 0.15 percent of the mass of the polyurethane emulsion, adjusting the pH value of a system to be 7.7-8.0 by using a sodium hydroxide solution with the mass concentration of 15 percent, and performing ultrasonic treatment for 20 min to obtain a protective coating, wherein the solid content of the polyurethane emulsion is 54-56 percent; the anti-settling agent is organic bentonite, and the defoaming agent is n-octanol.
S4: brushing to form a film: and uniformly coating the prepared protective coating on the pretreated wicker raw material, wherein the coating thickness is 60-65 microns, drying and curing at 110 ℃ for 16 hours to form a film, and the relative humidity of air in the film forming process is 45-50%.
Example 2
A processing method of wicker handicraft raw materials is characterized in that protective paint is prepared by prepared protective particles and polyurethane emulsion, the wicker handicraft raw materials are brushed to form a protective film, and the wicker handicraft is further processed and prepared;
specifically, the processing method of the wicker handicraft raw material comprises the following processing steps:
s1: pretreatment of wicker raw materials: peeling the complete wicker, soaking the peeled complete wicker in 0.75% hydrogen peroxide diluent for 25 minutes, taking out the wicker, and drying the wicker in a vacuum drying oven for 16 hours at the drying temperature of 75 ℃.
S2: preparing protective particles: putting 13.5 g of cobalt chloride into a beaker, adding 19 g of sodium oleate, adding 105 ml of deionized water with the temperature of 55 ℃ while stirring, continuously stirring for 45 minutes, transferring the mixture into a three-neck flask, adding 22 ml of ethanol and 12 ml of n-hexane into the flask, heating to 72 ℃, continuously stirring for reacting for 1.5 hours to obtain a reaction product, transferring the reaction product into a pressurized reaction kettle, adding 12 ml of a 17% polyethylene glycol aqueous solution with the mass concentration, setting the reaction temperature to 205 ℃, the reaction time to 3.5 hours and the reaction pressure to 1.65MPa, after the reaction is finished, standing for layering, pouring out supernatant liquid, sequentially washing the residual material for 5 times by using deionized water and absolute ethanol to obtain a product, and putting the product into a 93 ℃ drying box for drying for 2.5 hours to obtain organic matter-coated cobalt oxide particles with the size of 15-20 nanometers; placing 0.85 g of prepared organic matter coated cobalt oxide particles in a beaker, adding 62 ml of isopropanol, carrying out ultrasonic treatment for 12 minutes, then adding 1.5 g of titanium boride micro powder, carrying out indirect continuous ultrasonic treatment, stopping the ultrasonic treatment for 65 seconds after 2.5 minutes, continuously working for 35 minutes, separating an ultrasonic mixed solution in a high-speed centrifugation mode at a centrifugation speed of 3200 revolutions per minute, recovering a solvent to obtain a centrifuged precipitate, placing the precipitate in a tubular furnace, heating to 575 ℃ at a speed of 8.5 ℃/minute, carrying out heat preservation and calcination for 32 minutes, and naturally cooling to room temperature along with the furnace to obtain a product, namely the protective particles; the particle size of the titanium boride micro powder is 0.8-1.0 micron.
S3: preparing a protective coating: adding the prepared protective particles into polyurethane emulsion, wherein the addition amount of the protective particles accounts for 0.03 percent of the mass of the polyurethane emulsion, stirring at the speed of 3100 rpm for 50 minutes, adding an anti-settling agent and a defoaming agent, the addition amounts sequentially account for 0.11 percent and 0.16 percent of the mass of the polyurethane emulsion, adjusting the pH value of a system to be 7.7-8.0 by using a sodium hydroxide solution with the mass concentration of 16 percent, and performing ultrasonic treatment for 22 minutes to obtain the protective coating. The solid content of the polyurethane emulsion is 54-56%; the anti-settling agent is organic bentonite, and the defoaming agent is n-octanol.
S4: brushing to form a film: and uniformly coating the prepared protective coating on the pretreated wicker raw material, wherein the coating thickness is 60-65 microns, drying and curing at 115 ℃ for 18 hours to form a film, and the relative humidity of air in the film forming process is 45-50%.
Example 3
A processing method of wicker handicraft raw materials is characterized in that protective paint is prepared by prepared protective particles and polyurethane emulsion, the wicker handicraft raw materials are brushed to form a protective film, and the wicker handicraft is further processed and prepared;
specifically, the processing method of the wicker handicraft raw material comprises the following processing steps:
s1: pretreatment of wicker raw materials: peeling the complete wicker, soaking the peeled complete wicker in 0.8% hydrogen peroxide diluent for 30 minutes, taking out the wicker, and drying the wicker in a vacuum drying oven for 18 hours at the drying temperature of 80 ℃.
S2: preparing protective particles: placing 14 g of cobalt chloride in a beaker, adding 20 g of sodium oleate, adding 110 ml of deionized water with the temperature of 60 ℃ under stirring, continuously stirring for 50 minutes, transferring the mixture into a three-neck flask, adding 25 ml of ethanol and 15 ml of n-hexane into the flask, heating to 75 ℃, continuously stirring for reacting for 2 hours to obtain a reaction product, transferring the reaction product into a pressurized reaction kettle, adding 15 ml of polyethylene glycol aqueous solution with the mass concentration of 18%, setting the reaction temperature to 210 ℃, the reaction time to 4 hours, the reaction pressure to 1.7MPa, standing for layering after the reaction is finished, pouring out clarified liquid, sequentially washing the rest material for 6 times by using deionized water and absolute ethanol to obtain a product, placing the product in a 95 ℃ drying box, and drying for 3 hours to obtain organic matter-coated cobalt oxide particles with the size of 15-20 nanometers; placing 0.9 g of prepared organic matter-coated cobalt oxide particles in a beaker, adding 65 ml of isopropanol, carrying out ultrasonic treatment for 15 minutes, then adding 1.7 g of titanium boride micro powder, carrying out indirect continuous ultrasonic treatment, stopping the ultrasonic treatment for 3 minutes for 70 seconds, continuously working for 40 minutes, separating an ultrasonic mixed solution in a high-speed centrifugation mode at a centrifugation speed of 3500 revolutions per minute, recovering a solvent to obtain a centrifuged precipitate, placing the precipitate in a tubular furnace, heating to 580 ℃ at a speed of 9 ℃/minute, carrying out heat preservation and calcination for 35 minutes, and naturally cooling to room temperature along with the furnace to obtain a product, namely the protective particles; the particle size of the titanium boride micro powder is 0.8-1.0 micron.
S3: preparing a protective coating: adding the prepared protective particles into a polyurethane emulsion, wherein the addition amount of the protective particles accounts for 00.04% of the mass of the polyurethane emulsion, stirring at 3200 rpm for 60 minutes, adding an anti-settling agent and a defoaming agent, the addition amounts of the anti-settling agent and the defoaming agent sequentially account for 0.12% and 0.17% of the mass of the polyurethane emulsion, adjusting the pH value of a system to be 7.7-8.0 by using a sodium hydroxide solution with the mass concentration of 19%, and performing ultrasonic treatment for 25 minutes to obtain the protective coating. The solid content of the polyurethane emulsion is 54-56%; the anti-settling agent is organic bentonite, and the defoaming agent is n-octanol.
S4: brushing to form a film: and uniformly coating the prepared protective coating on the pretreated wicker raw material, wherein the coating thickness is 60-65 microns, drying and curing at 120 ℃ for 20 hours to form a film, and the relative humidity of air in the film forming process is 45-50%.
Taking example 2 as an example (while setting a method of directly coating a polyurethane emulsion with a solid content of 50% as a control group), the performance of a processed wicker sample obtained by using a 10-year-old wicker as a test raw material was measured while keeping independent variables consistent (refer to GB/1927-1943-91): when the treated sample of the example 2 is at 25 ℃ and normal temperature and the relative air humidity is 80%, the water content of the treated wicker sample in a stable state is 4%, and the compressive strength reaches 96 MPa; after soaking treatment, the wet expansion rate is 0.15 percent, and the compressive strength is 91 MPa; after air drying treatment, the dry shrinkage rate is 0.06 percent, and the compressive strength is 93 MPa; correspondingly, the water content of the wicker sample in the control group in a stable state is 7 percent, and the compressive strength is 69 MPa; after soaking treatment, the wet expansion rate is 1.24%, and the compressive strength is 52 MPa; after air drying treatment, the dry shrinkage rate is 0.85 percent, and the compressive strength is 55 MPa. The results show that the processing method of the invention effectively improves the performance of the wicker raw material and can keep the stability.
The invention effectively solves the problem that the prior wicker handicraft knitting raw material has insufficient application effect in the production field of wicker handicrafts, the method has the advantages of improving the service life of the wicker handicraft, simultaneously having higher deformation resistance, water resistance and corrosion resistance, ensuring the dimensional stability, being a high-performance wicker handicraft processing material, greatly exerting the advantages and characteristics of the wicker handicraft weaving raw material, promoting the application and development of the wicker handicraft weaving in the field of middle and high-end handicraft, improving the durability of the wicker handicraft, realizing the practical significance of improving the performance of the weaving material for the wicker handicraft and improving the market competitiveness, the method has higher value for the development and research of the weaving material of the wicker-woven handicraft, obviously promotes the rapid development of the production of modern wicker-woven handicraft and the research of the weaving material and the sustainable development of resources, and is a technical scheme which is extremely worthy of popularization and use.
Claims (6)
1. A processing method of wicker handicraft raw materials is characterized by comprising the following steps:
(1) putting 13-14 g of cobalt chloride into a beaker, adding 18-20 g of sodium oleate, adding 100-110 ml of deionized water with the temperature of 50-60 ℃ under stirring, continuously stirring for 40-50 minutes, transferring the mixture into a three-neck flask, adding 20-25 ml of ethanol and 10-15 ml of n-hexane into the flask, heating to 70-75 ℃, continuously stirring for reaction for 1-2 hours, transferring the obtained reaction product into a pressurized reaction kettle, adding 10-15 ml of polyethylene glycol aqueous solution, setting the reaction temperature to be 200-210 ℃, the reaction time to be 3-4 hours, the reaction pressure to be 1.6-1.7MPa, pouring out clarified liquid after the reaction is finished, standing and layering, sequentially washing the rest material for 4-6 times by using deionized water and absolute ethyl alcohol, placing the obtained product into a drying box with the temperature of 90-95 ℃ for drying for 2-3 hours, putting 0.8-0.9 g of the prepared product into a beaker, adding 60-65 ml of isopropanol, carrying out ultrasonic treatment for 10-15 minutes, then adding 1.4-1.7 g of titanium boride micro powder, carrying out indirect continuous ultrasonic treatment, separating the ultrasonic mixed solution by adopting a high-speed centrifugation mode, wherein the centrifugation speed is 3000-3500 r/min, recovering the solvent to obtain a centrifuged precipitate, putting the precipitate into a tubular furnace, heating to 570-580 ℃ at the speed of 8-9 ℃/min, carrying out heat preservation and calcination for 30-35 minutes, and naturally cooling to room temperature along with the furnace to obtain protective particles;
(2) adding the prepared protective particles into a polyurethane emulsion, wherein the addition amount of the protective particles accounts for 0.02-0.04% of the mass of the polyurethane emulsion, stirring at the speed of 3000-3200 r/min for 40-60 min, adding an anti-settling agent and a defoaming agent, the addition amounts of the anti-settling agent and the defoaming agent sequentially account for 0.10-0.12% and 0.15-0.17% of the mass of the polyurethane emulsion, adjusting the pH value of a system to be 7.7-8.0 by using a sodium hydroxide solution with the mass concentration of 15-19%, and performing ultrasonic treatment for 20-25 min to obtain a protective coating;
(3) peeling the complete wicker, soaking the peeled complete wicker in hydrogen peroxide diluent with the mass concentration of 0.7-0.8% for 20-30 minutes, taking out the wicker, drying the wicker in a vacuum drying oven for 14-18 hours at the drying temperature of 70-80 ℃, uniformly coating the prepared protective coating on the dried wicker raw material, wherein the coating thickness is 60-65 microns, drying and curing the wicker raw material into a film at the temperature of 110-120 ℃, wherein the curing time is 16-20 hours, and the relative humidity of air in the film forming process is 45-50%.
2. The processing method of wicker handicraft raw material according to claim 1, wherein the mass concentration of the polyethylene glycol aqueous solution in step (1) is 16-18%.
3. The processing method of wicker handicraft raw material according to claim 1, wherein the indirect continuous ultrasonic method in step (1) is: stopping the ultrasonic treatment for 60-70 seconds after 2-3 minutes, and continuously working for 30-40 minutes.
4. The processing method of raw materials of wicker-woven handicraft according to claim 1, wherein the particle size of the titanium boride micropowder in step (1) is 0.8-1.0 μm.
5. The method for processing raw materials of wicker-made handicraft according to claim 1, wherein the solid content of the polyurethane emulsion in the step (2) is 54-56%.
6. The method for processing raw materials of wicker-made handicraft according to claim 1, wherein the anti-settling agent in step (2) is organic bentonite, and the defoaming agent is n-octanol.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112045812A (en) * | 2020-07-27 | 2020-12-08 | 安徽阜南县万家和工艺品有限公司 | Treatment process for improving cool contact feeling of wicker deck chair |
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