CN109262774B - Method for recycling production tailings of bamboo clothes racks - Google Patents

Method for recycling production tailings of bamboo clothes racks Download PDF

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CN109262774B
CN109262774B CN201811275958.6A CN201811275958A CN109262774B CN 109262774 B CN109262774 B CN 109262774B CN 201811275958 A CN201811275958 A CN 201811275958A CN 109262774 B CN109262774 B CN 109262774B
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parts
tailings
bamboo
heating
mixing
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CN109262774A (en
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蔡高旭
经淯钧
江华裔
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Guangxi Guilin Huahai Housewares Co Ltd
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Guangxi Guilin Huahai Housewares Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27J—MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
    • B27J1/00—Mechanical working of cane or the like
    • 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
    • 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
    • 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
    • B27K3/50—Mixtures of different organic impregnating agents
    • 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
    • B27K5/001—Heating
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
    • B27L11/06—Manufacture of wood shavings, chips, powder, or the like; Tools therefor of wood powder or sawdust
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
    • B27M1/06—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by burning or charring, e.g. cutting with hot wire
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
    • B27M3/24—Manufacture or reconditioning of specific semi-finished or finished articles of household utensils, e.g. spoons, clothes hangers, clothes pegs
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00—Compositions of lignin-containing materials
    • C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Abstract

The invention belongs to the technical field of clothes hanger processing, and particularly relates to a method for recycling production tailings of bamboo clothes hangers, which specifically comprises the following steps: the preparation method comprises the steps of modifying crushed bamboo materials, modifying zelkova tails, preparing a fusion bonding agent, weighing raw materials, mixing, hot-pressing, curing, sanding the outer surface, coating, drying, hooking, printing trademark marks, and boxing. The invention has the advantages that: an environment-friendly utilization road is provided for Guangxi bamboo wood leftovers, and researches show that the clothes hanger prepared by pressing is durable, does not crack and has better heat resistance.

Description

Method for recycling production tailings of bamboo clothes racks
[ technical field ] A method for producing a semiconductor device
The invention belongs to the technical field of clothes hanger processing, and particularly relates to a method for recycling production tailings of bamboo clothes hangers.
[ background of the invention ]
The quantity of the bamboos and the beech planted in Guangxi province is huge, the quantity of factories which directly process the bamboos and the beech after being harvested every year is large, but a lot of waste leftovers (bamboo joints, crushed materials, scraps and the like) are left after processing, a large amount of agricultural wastes are abandoned or sent to farmers for burning, the utilization rate is extremely low, the air is incompletely combusted, and then the pressboard is harvested and manufactured by people, but the pressboard which is simply treated by the bamboo and beech leftovers is high in investment, poor in quality and low in price, is difficult to carry out for a long time, and then becomes waste garbage; and the wood made of the beech material has the phenomenon of easy cracking, and the beech tailings also have the defects, so that the problem that the quality of finished products is influenced by cracking prevention after waste utilization needs to be considered while the beech tailings are utilized, and the raw materials are further processed into clothes hangers by the company, so that the pollution of waste garbage can be relieved, and waste materials are changed into valuable things.
The wooden clothes hanger is made of pure solid wood, the cost is high, the wood utilization rate is low, the requirement on the solid wood is high, and the clothes hanger made of the common solid wood has the defects of easiness in cracking and low durability. The plastic clothes hanger is easy to break off after being exposed for a plurality of times, the surface layer can be dissolved, and the plastic clothes hanger can be taken by hands to cause the phenomenon that the fading glue is separated from the hands.
[ summary of the invention ]
The invention aims to provide a method for recycling production tailings of bamboo clothes hangers, which provides an environment-friendly utilization road for Guangxi bamboo leftovers.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a method for recycling production tailings of bamboo clothes hangers specifically comprises the following steps:
s1: collecting bamboo production clothes hanger tailings, removing impurities, selecting impurity substances, leaving bamboo tailings, crushing the bamboo tailings, and sieving with a 50-mesh sieve to obtain bamboo powder for later use;
s2: adding deionized water into partial bamboo powder, heating to 38 deg.C, soaking for 1-2 hr, filtering, draining to water content of 10% -15%, adding into reaction kettle, heating to 250-300 deg.C, reacting for 30-40 min to obtain carbonized bamboo powder, adding dried SiO2Limestone and nitrogen gas are introduced: rapidly heating the mixed gas of argon according to the volume ratio of 2-3:1 to 800-900 ℃ under the environment of the mixed gas and 20MPa, and keeping the temperature for 20-30min to obtain modified carbonized bamboo powder;
s3: collecting the tailings of the clothes hanger produced by the zelkova schneideriana production, removing impurities, selecting impurity substances, washing the zelkova schneideriana tailings, naturally airing, crushing to 10 meshes, introducing the crushed zelkova schneideriana tailings, silicon oxide and calcium carbonate into a reaction kettle, heating to 300-400 ℃ under the protection of nitrogen, and reacting for 45-55 seconds to obtain the modified zelkova tailings;
s4: weighing 5-8 parts of glycerol, 10-15 parts of lignosulfonate, 5.5-6.8 parts of rosin, 8-12 parts of rosin modified phenolic resin, 4-8 parts of fatty acid ester and 2.5-4.6 parts of hydroxypropyl cellulose according to parts by weight, mixing all the raw materials, putting the raw materials into a reaction kettle, heating to 45-55 ℃, continuously stirring and reacting for 25-35 minutes, heating to 65 ℃, and continuously stirring and reacting for 15-25 minutes to obtain a molten binder for later use;
s5: weighing 40-55 parts of modified zelkova wood tailings, 28-36 parts of bamboo powder, 12-18 parts of modified carbonized bamboo powder, 15-20 parts of fusion bonding agent, 1.8-2.6 parts of zinc borate and 2.2-3.4 parts of aluminum chloride according to parts by weight;
s6: after drying and activating zinc borate and aluminum chloride, adding the zinc borate into hydrochloric acid for dissolving, adding the aluminum chloride into ethanol for dissolving, respectively heating to 38 ℃ for activating, then putting the aluminum chloride and the modified carbonized bamboo powder into a reaction kettle, heating to 400-450 ℃ under the protection of nitrogen, stirring, mixing and reacting for 1.5-2.5 hours, then heating to 650-700 ℃, stirring, mixing and reacting for 0.8-1.2 hours, and then spray drying to obtain powder;
s7: mixing the modified zelkova wood tailings, the bamboo powder, the powder obtained by S6 and the molten binder, putting the mixture into a hot-pressing clothes hanger die, and then carrying out hot pressing, curing and surface sanding;
s8: brushing the paint on the molded clothes hanger obtained in the step S7 to form paint uniformly on the surface of the molded clothes hanger, and drying the molded clothes hanger;
s9: and (5) hooking the clothes hanger dried in the S8, printing a trademark mark, and boxing.
Further, in S2, the carbonized bamboo powder and SiO2The weight part ratio of the limestone is 5-8:2-3: 3-4;
in S3, the weight part ratio of the zelkova schneideriana tailings, the silicon oxide and the calcium carbonate is 5-8:2-3: 3-4.
Further, in S6, the mass fraction of the hydrochloric acid is 20-25%; the volume ratio of the hydrochloric acid to the zinc borate is 3-5: 2; the mass fraction of the ethanol is 85%, and the volume ratio of the ethanol to the aluminum chloride is 7-9: 2.
Further, in S3, the rate of temperature increase is 10 ℃/min; in S6, the temperature increase rate is 15 ℃/min.
Further, in S7, the working temperature of the hot pressing is 100-120 ℃, and the working pressure is 50-60 MPa.
Further, in S8, the paint includes, in parts by weight: 5-8 parts of marigold, 3-5 parts of tarragon, 2-5 parts of short-tube lycoris, 10-15 parts of turpentine, 8-13 parts of wood wax oil, 6-10 parts of perilla oil, 8-12 parts of orange oil, 10-15 parts of bee wax, 8-12 parts of palm wax, 5-8 parts of iso-ethanol and 8-10 parts of polyester resin;
the coating is prepared by the following specific method: weighing raw materials in parts by weight, collecting the whole plant of marigold, tarragon and lycoris radiata, cleaning, naturally drying, cutting, adding 5-10 times volume of ethanol solution for ethanol extraction for 10-12 hours, and filtering to obtain filtrate for later use; mixing turpentine, wood wax oil, perilla oil and orange oil, then putting the mixture into a reaction kettle, rapidly heating to 250 ℃ at 200 MPa under the protection of nitrogen, reacting for 3-5 hours, then cooling to 180 ℃ at 150 ℃ and preserving heat for 2-3 minutes, then cooling to 120 ℃ at 100 ℃ and preserving heat for 3-5 minutes, then cooling to 60-80 ℃, filtering while hot to obtain a mixed solution, and preserving heat at 60 ℃; mixing and dissolving the bee wax and the palm wax, adding the ethanol and the polyester resin, mixing, heating to 60 ℃, continuously stirring, and keeping the temperature for 1-2 hours for reaction; then cooling to 40 ℃, adding the filtrate and the mixed solution for standby, mixing and stirring, reacting for 1-2 hours at the temperature of 35 ℃, then standing, naturally cooling and filtering.
Further, in S8, after the paint was applied, the paint was subjected to a pressure treatment at 30MPa for 1 to 2 minutes, and then to a drying treatment.
To explain further, in S9, in the boxing operation, every 5 clothes hangers are packaged, and foam is placed on the inner wall of the box.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
the clothes hanger adopted in the invention is made of agricultural wastes as main raw materials, and can provide an environment-friendly utilization way. The technical scheme of the application is that the production is realized after the research and development of our company. The design steps of the method are mutually buckled, and the clothes rack with the same excellent performance as that of the company cannot be prepared once the method is lacked. The research shows that the bamboo powder is soaked for water absorption and the mild heating mode is adopted to promote the water absorption expansion of the bamboo powder, the research shows that when the temperature is 38 ℃, the outer surface area of the expanded bamboo powder is increased, but the performance among carbon and carbon elements is kept, the outer surface area of the expanded bamboo powder is increased when the temperature is 39 ℃, but the sizes of gaps in an internal structure are different and a large amount of fault phenomena are generated, the possibility that the associated bonds of the carbon and carbon elements in the internal structure of the single water absorption expanded bamboo powder are damaged under the overheat condition is solved, the activity of the carbonized bamboo powder is directly influenced, the technical means of the application provides power for the later-stage further modification, and the carbonized bamboo powder and SiO2After the limestone is dried, the activity of charged particles on the surface of a substance is increased, then the substance is cracked at high temperature under the condition of protective gas, Si and Ca and the carbonized bamboo powder are mutually soaked, and under the condition that the external surface area of the carbonized bamboo powder is increased, the Si and Ca can be filled into gaps of the carbonized bamboo powder to form a cross-linked reticular structure; the silicon oxide and the calcium carbonate become active under the high-temperature condition, the surface area of the zelkova schneideriana tailing material is increased under the high-temperature condition, the gap is increased, and the active metal elements are embedded in the zelkova schneideriana tailing material, so that the zelkova schneideriana tailing material has high affinity and a stable structure; the ions of the raw material become active after the zinc borate is dried and activated, then the metal ions are more active after the zinc borate is mixed, dissolved and heated with hydrochloric acid, the chemical bond activity among the ions is large after the aluminum chloride is dried in the same way, the metal ions become active after the zinc borate and the aluminum chloride are dissolved and heated with ethanol, the metal elements of the zinc borate and the aluminum chloride become active under the condition of high temperature through temperature rise, the difference of the melting points of the zinc element and the aluminum element is about 200 ℃, the zinc element and the aluminum element are uniformly embedded into the modified carbonized bamboo powder through the means of partial pressure heat generation, so that the hydroxide metal compound can not appear in the modified carbonized bamboo powderThe agglomeration phenomenon of (a); in the hot pressing process, the powder obtained in the fifth step can be uniformly dispersed and embedded in the main matrix of bamboo powder and the modified beech tailings and the molten binder, and the clothes hanger can have uniform performance after hot pressing and curing. The coating has good oleophylic and hydrophilic properties, can improve the crack resistance of the clothes hanger when coated on the outer surface of the clothes hanger, and comprises the steps of firstly carrying out polymerization reaction on turpentine, wood wax oil, perilla oil and orange oil under the protection of nitrogen, gradually cooling after the polymerization reaction to prevent the sudden drop from generating bond polymerization, contraction or unstable bond state between the environment-adaptive oleophylic groups and breaking, adopting a cooling procedure of firstly cooling to 150-180 ℃, then preserving heat for 2-3 minutes, then cooling to 100-120 ℃, preserving heat for 3-5 minutes, then cooling to 60-80 ℃, then filtering while hot to obtain a mixed solution and preserving heat at 60 ℃, and being capable of improving the performance after polymerization between oils to keep uniform, so that the coating can be uniformly dispersed and embedded in materials when mixed with dissolved bee wax, palm wax, iso-ethanol and polyester resin in the subsequent steps, thereby improving the oleophylic property uniformity of the coating after the mixing, the phenomenon of oil absorption and grease proofing of different levels appears on the experimental back clothes hanger that can not appear beating oil completely to mix the back with the ethanol extract of marigold, tarragon, the short-tube lycoris that this application chooseed for use, can fuse in the material, play the effect that improves the moth-proof worm.
[ detailed description ] embodiments
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, specific embodiments thereof will be described in detail with reference to the following examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Example 1:
1. preparing raw materials: the coating comprises the following components in parts by weight: 5 parts of marigold, 3 parts of tarragon, 2 parts of lycoris radiata, 10 parts of turpentine, 8 parts of wood wax oil, 6 parts of perilla oil, 8 parts of orange oil, 10 parts of bee wax, 8 parts of palm wax, 5 parts of iso-ethanol and 8 parts of polyester resin;
the coating is prepared by the following specific method: weighing raw materials in parts by weight, collecting the whole plant of marigold, tarragon and lycoris radiata, cleaning, naturally drying, cutting, adding 5 times volume of ethanol solution for ethanol extraction for 10 hours, and filtering to obtain filtrate for later use;
mixing turpentine, wood wax oil, perilla oil and orange oil, putting into a reaction kettle, rapidly heating to 200 ℃ under 30MPa under the protection of nitrogen, reacting for 3 hours, then cooling to 150 ℃, preserving heat for 2 minutes, then cooling to 100 ℃, preserving heat for 3 minutes, then cooling to 60 ℃, filtering while hot to obtain a mixed solution, and preserving heat at 60 ℃;
mixing and dissolving the bee wax and the palm wax, adding the ethanol and the polyester resin, mixing and heating to 60 ℃, continuously stirring, and keeping the temperature for 1 hour to react; then cooling to 40 ℃, adding the filtrate and the mixed solution for standby, mixing and stirring, reacting for 1 hour at the temperature of 35 ℃, standing, naturally cooling and filtering.
2. The above prepared raw materials were used in the following protocol:
the method for recycling the production tailings of the bamboo clothes rack specifically comprises the following steps:
s1: collecting bamboo production clothes hanger tailings, removing impurities, selecting impurity substances, leaving bamboo tailings, crushing the bamboo tailings, and sieving with a 50-mesh sieve to obtain bamboo powder for later use;
s2: adding deionized water into part of bamboo powder, heating to 38 deg.C, soaking for 1.6 hr, filtering, draining to water content of 12%, adding into reaction kettle, heating to 280 deg.C, reacting for 37 min to obtain carbonized bamboo powder, and adding dried SiO2Limestone and nitrogen gas are introduced: rapidly heating argon to 875 ℃ under the pressure of 20MPa in the mixed gas environment according to the volume ratio of 2.5:1, and keeping for 27min to obtain modified carbonized bamboo powder; the carbonized bamboo powder and SiO2The weight part ratio of the limestone is 6:3: 3;
s3: collecting the tailings of the clothes hanger produced by the zelkova schneideriana production, removing impurities, selecting impurity substances, washing the zelkova schneideriana tailings, naturally airing, crushing to 10 meshes, introducing the powder, silicon oxide and calcium carbonate into a reaction kettle, heating to 355 ℃ at a speed of 10 ℃/min under the protection of nitrogen and at a pressure of 50MPa, and reacting for 50 seconds to obtain the modified zelkova tailings; the weight part ratio of the zelkova schneideriana tailings to the silicon oxide to the calcium carbonate is 6:2: 4;
s4: weighing 7 parts of glycerol, 13 parts of lignosulfonate, 6.2 parts of rosin, 10 parts of rosin modified phenolic resin, 7 parts of fatty acid ester and 3.1 parts of hydroxypropyl cellulose according to parts by weight, mixing all the raw materials, putting the raw materials into a reaction kettle, heating to 48 ℃, continuously stirring for reaction for 32 minutes, heating to 65 ℃, and continuously stirring for reaction for 20 minutes to obtain a molten binder for later use;
s5: weighing 51 parts of modified zelkova wood tailings, 32 parts of bamboo powder, 15 parts of modified carbonized bamboo powder, 18 parts of fusion bonding agent, 2.2 parts of zinc borate and 3 parts of aluminum chloride according to parts by weight;
s6: after drying and activating zinc borate and aluminum chloride, adding the zinc borate into 23% hydrochloric acid with the mass fraction of 3 times of the volume for dissolving, adding the aluminum chloride into 85% ethanol with the mass fraction of 4.2 times of the volume for dissolving, respectively heating to 38 ℃ for activating, then putting the zinc borate and the modified carbonized bamboo powder into a reaction kettle, heating to 425 ℃ at the speed of 15 ℃/min under the protection of nitrogen, stirring and mixing for reaction for 2 hours, heating to 685 ℃ at the speed of 15 ℃/min, stirring and mixing for reaction for 1 hour, and then spray drying to obtain powder;
s7: mixing the modified zelkova wood tailings, the bamboo powder, the powder obtained by S6 and a melting binder, putting the mixture into a hot-pressing clothes hanger die, and then carrying out hot pressing, curing and surface sanding under the conditions that the working temperature is 110 ℃ and the working pressure is 57 MPa;
s8: brushing the coating on the molded clothes hanger obtained in the step S7 with uniform appearance, then pressurizing for 1.2 minutes at the pressure of 30MPa, and then drying;
s9: and (4) hooking the clothes hangers dried in the step (S8), printing trademark marks, packaging 5 clothes hangers by one package, placing foam plastics on the inner wall of the box, and then boxing.
Example 2:
1. preparing raw materials: the coating comprises the following components in parts by weight: 8 parts of marigold, 5 parts of tarragon, 5 parts of lycoris radiata, 15 parts of turpentine, 13 parts of wood wax oil, 10 parts of perilla oil, 12 parts of orange oil, 15 parts of bee wax, 12 parts of palm wax, 8 parts of iso-ethanol and 10 parts of polyester resin;
the coating is prepared by the following specific method: weighing raw materials in parts by weight, collecting the whole plant of marigold, tarragon and lycoris radiata, cleaning, naturally drying, cutting, adding 10 times of ethanol solution for extracting for 12 hours, and filtering to obtain filtrate for later use;
mixing turpentine, wood wax oil, perilla oil and orange oil, putting into a reaction kettle, rapidly heating to 250 ℃ under 30MPa under the protection of nitrogen, reacting for 5 hours, then cooling to 180 ℃, preserving heat for 3 minutes, then cooling to 120 ℃, preserving heat for 5 minutes, then cooling to 80 ℃, filtering while hot to obtain a mixed solution, and preserving heat at 60 ℃;
mixing and dissolving the bee wax and the palm wax, adding the ethanol and the polyester resin, mixing and heating to 60 ℃, continuously stirring, and keeping the temperature for 2 hours for reaction; then cooling to 40 ℃, adding the filtrate and the mixed solution for standby, mixing and stirring, reacting for 2 hours at the temperature of 35 ℃, standing, naturally cooling and filtering.
2. The above prepared raw materials were used in the following protocol:
s1: collecting bamboo production clothes hanger tailings, removing impurities, selecting impurity substances, leaving bamboo tailings, crushing the bamboo tailings, and sieving with a 50-mesh sieve to obtain bamboo powder for later use;
s2: adding deionized water into part of bamboo powder, heating to 38 deg.C, soaking for 2 hr, filtering, draining to water content of 15%, adding into reaction kettle, heating to 300 deg.C, reacting for 40 min to obtain carbonized bamboo powder, and adding dried SiO2Limestone and nitrogen gas are introduced: rapidly heating the mixed gas of argon according to the volume ratio of 3:1 to 900 ℃ under the environment of the mixed gas and 20MPa, and keeping the temperature for 30min to obtain modified carbonized bamboo powder; the carbonized bamboo powder and SiO2The weight part ratio of the limestone is 8:3: 4;
s3: collecting the tailings of the clothes hanger produced by the zelkova schneideriana production, removing impurities, selecting impurity substances, washing the zelkova schneideriana tailings, naturally airing, crushing to 10 meshes, introducing the powder, silicon oxide and calcium carbonate into a reaction kettle, heating to 400 ℃ at a speed of 10 ℃/min under the protection of nitrogen and at a pressure of 50MPa, and reacting for 55 seconds to obtain the modified zelkova tailings; the weight part ratio of the zelkova schneideriana tailings to the silicon oxide to the calcium carbonate is 8:3: 4;
s4: weighing 8 parts of glycerol, 15 parts of lignosulfonate, 6.8 parts of rosin, 12 parts of rosin modified phenolic resin, 8 parts of fatty acid ester and 4.6 parts of hydroxypropyl cellulose according to parts by weight, mixing all the raw materials, putting the raw materials into a reaction kettle, heating to 55 ℃, continuously stirring for reaction for 35 minutes, heating to 65 ℃, and continuously stirring for reaction for 25 minutes to obtain a molten binder for later use;
s5: weighing 55 parts of modified zelkova wood tailings, 36 parts of bamboo powder, 18 parts of modified carbonized bamboo powder, 20 parts of fusion bonding agent, 2.6 parts of zinc borate and 3.4 parts of aluminum chloride according to parts by weight;
s6: after drying and activating zinc borate and aluminum chloride, adding the zinc borate into hydrochloric acid with the mass fraction of 25% and the volume of 3.5 times of that of the zinc borate for dissolving, adding the aluminum chloride into ethanol with the mass fraction of 85% and the volume of 4.5 times of that of the aluminum chloride for dissolving, respectively heating to 38 ℃ for activation, then putting the mixture and the modified carbonized bamboo powder into a reaction kettle, heating to 450 ℃ at the speed of 15 ℃/min under the protection of nitrogen, stirring and mixing for reaction for 2.5 hours, then heating to 700 ℃ at the speed of 15 ℃/min, stirring and mixing for reaction for 1.2 hours, and then spray-drying to obtain powder;
s7: mixing the modified zelkova wood tailings, the bamboo powder, the powder obtained by S6 and a melting binder, putting the mixture into a hot-pressing clothes hanger die, and then carrying out hot pressing, curing and surface sanding under the conditions that the working temperature is 120 ℃ and the working pressure is 60 MPa;
s8: uniformly brushing the coating on the surface of the molded clothes hanger obtained in the step S7, pressurizing for 2 minutes at the pressure of 30MPa, and drying;
s9: and (4) hooking the clothes hangers dried in the step (S8), printing trademark marks, packaging 5 clothes hangers by one package, placing foam plastics on the inner wall of the box, and then boxing.
Example 3:
1. preparing raw materials: the coating comprises the following components in parts by weight: 6 parts of marigold, 4 parts of tarragon, 3 parts of lycoris radiata, 12 parts of turpentine, 11 parts of wood wax oil, 8 parts of perilla oil, 10 parts of orange oil, 12 parts of bee wax, 10 parts of palm wax, 6 parts of iso-ethanol and 9 parts of polyester resin;
the coating is prepared by the following specific method: weighing raw materials in parts by weight, collecting the whole plant of marigold, tarragon and lycoris radiata, cleaning, naturally drying, cutting, adding 8 times of ethanol solution for ethanol extraction for 11 hours, and filtering to obtain filtrate for later use;
mixing turpentine, wood wax oil, perilla oil and orange oil, putting into a reaction kettle, rapidly heating to 220 ℃ under 30MPa under the protection of nitrogen, reacting for 4 hours, then cooling to 160 ℃, preserving heat for 2.5 minutes, then cooling to 110 ℃, preserving heat for 4 minutes, then cooling to 68 ℃, filtering while hot to obtain a mixed solution, and preserving heat at 60 ℃;
mixing and dissolving the bee wax and the palm wax, adding the ethanol and the polyester resin, mixing and heating to 60 ℃, continuously stirring, and keeping the temperature for 1.5 hours for reaction; then cooling to 40 ℃, adding the filtrate and the mixed solution for standby, mixing and stirring, reacting for 1.5 hours at the temperature of 35 ℃, then standing, naturally cooling and filtering.
2. The above prepared raw materials were used in the following protocol:
the method for recycling the production tailings of the bamboo clothes rack specifically comprises the following steps:
s1: collecting bamboo production clothes hanger tailings, removing impurities, selecting impurity substances, leaving bamboo tailings, crushing the bamboo tailings, and sieving with a 50-mesh sieve to obtain bamboo powder for later use;
s2: adding deionized water into part of bamboo powder, heating to 38 deg.C, soaking for 1 hr, filtering, draining to water content of 10%, adding into reaction kettle, heating to 250 deg.C, reacting for 30min,obtaining charred bamboo powder, and adding dried SiO2Limestone and nitrogen gas are introduced: rapidly heating the mixed gas of argon according to the volume ratio of 2:1 to 800 ℃ under the environment of the mixed gas and under the pressure of 20MPa, and keeping the temperature for 20min to obtain modified carbonized bamboo powder; the carbonized bamboo powder and SiO2The weight part ratio of the limestone is 5:2: 3;
s3: collecting the tailings of the clothes hanger produced by the zelkova schneideriana production, removing impurities, selecting impurity substances, washing the zelkova schneideriana tailings, naturally airing, crushing to 10 meshes, introducing the powder, silicon oxide and calcium carbonate into a reaction kettle, heating to 300 ℃ at a speed of 10 ℃/min under the protection of nitrogen and at a pressure of 50MPa, and reacting for 45 seconds to obtain the modified zelkova tailings; the weight part ratio of the zelkova schneideriana tailings, the silicon oxide and the calcium carbonate is 5:2: 3;
s4: weighing 5 parts of glycerol, 10 parts of lignosulfonate, 5.5 parts of rosin, 8 parts of rosin modified phenolic resin, 4 parts of fatty acid ester and 2.5 parts of hydroxypropyl cellulose according to parts by weight, mixing all the raw materials, putting the raw materials into a reaction kettle, heating to 45 ℃, continuously stirring for reaction for 25 minutes, heating to 65 ℃, and continuously stirring for reaction for 15 minutes to obtain a molten binder for later use;
s5: weighing 40 parts of modified zelkova wood tailings, 28 parts of bamboo powder, 12 parts of modified carbonized bamboo powder, 15 parts of fusion bonding agent, 1.8 parts of zinc borate and 2.2 parts of aluminum chloride according to parts by weight;
s6: after drying and activating zinc borate and aluminum chloride, adding the zinc borate into hydrochloric acid with the mass fraction of 20% and the volume of 2.5 times of that of the hydrochloric acid for dissolving, adding the aluminum chloride into ethanol with the mass fraction of 85% and the volume of 3.5 times of that of the aluminum chloride for dissolving, respectively heating to 38 ℃ for activation, then putting the mixture and the modified carbonized bamboo powder into a reaction kettle, heating to 400 ℃ at the speed of 15 ℃/min under the protection of nitrogen, stirring and mixing for reaction for 1.5 hours, heating to 650 ℃ at the speed of 15 ℃/min, stirring and mixing for reaction for 0.8 hour, and then spray-drying to obtain powder;
s7: mixing the modified zelkova wood tailings, the bamboo powder, the powder obtained by S6 and a melting binder, putting the mixture into a hot-pressing clothes hanger die, and then carrying out hot pressing, curing and surface sanding under the conditions that the working temperature is 100 ℃ and the working pressure is 50 MPa;
s8: uniformly brushing the coating on the surface of the molded clothes hanger obtained in the step S7, pressurizing for 1 minute at the pressure of 30MPa, and drying;
s9: and (4) hooking the clothes hangers dried in the step (S8), printing trademark marks, packaging 5 clothes hangers by one package, placing foam plastics on the inner wall of the box, and then boxing.
Comparative example 1:
the preparation method and the raw materials of this example are basically the same as those of example 2, except that: s2: adding deionized water into part of bamboo powder, heating to 38 deg.C, soaking for 2 hr, filtering, draining to water content of 15%, adding into reaction kettle, heating to 300 deg.C, reacting for 40 min, and reacting with SiO2And modifying the limestone under the conditions of high temperature and high pressure.
Comparative example 2:
the preparation method and the raw materials of this example are basically the same as those of example 2, except that: s3: collecting the tailings of the clothes hanger produced by the beech, removing impurities, selecting impurity substances, washing the beech tailings, naturally airing, and crushing to 10 meshes for later use without modification treatment.
Comparative example 3:
the preparation method and the raw materials of this example are basically the same as those of example 2, except that: the adhesive in S4 is melted by using a commercially available adhesive and is ready for use.
Comparative example 4:
the preparation method and the raw materials of this example are basically the same as those of example 2, except that: without the operation of S6, S7: mixing the modified zelkova wood tailings, the bamboo powder, the modified carbonized bamboo powder, the zinc borate, the aluminum chloride and the molten binder, putting the mixture into a hot-pressing clothes hanger die, and then carrying out hot pressing, curing and surface sanding under the conditions that the working temperature is 120 ℃ and the working pressure is 60 MPa; .
Comparative example 5:
the preparation method and the raw materials of this example are basically the same as those of example 2, except that: s8: and (4) immediately drying the molded clothes hanger obtained in the step (S7) after coating the molded clothes hanger with uniform appearance.
Test one:
the clothes hangers prepared in examples 1 to 3 and comparative examples 1 to 5 were subjected to the following property tests: ultraviolet aging performance, tensile strength, impact strength and degumming condition, wherein the ultraviolet aging performance is that the wavelength is 340nm, and the radiation intensity is 0.8W/m2Now, irradiation is carried out for 8h at 50 ℃ and then a condensation cycle of 4h at 40 ℃. The degumming condition is that the irradiation is carried out for 240 hours at the temperature of 45 ℃ and the degumming condition is observed, each group adopts 10 clothes hangers and is divided into 8 groups (examples 1-3 and comparative examples 1-5), and the groups are respectively graded into-1 to-10 according to the severity of the degumming condition; if the condition does not exist, the score is not deducted, and the base score is 100.
Figure GDA0002297237390000091
As can be seen from the above table, with the solutions of embodiments 1 to 3 of the present invention, the clothes hanger is superior to the comparative examples 1 to 5 in flame retardancy, bending strength, tensile strength and impact strength, respectively. Wherein, from the view of flame retardant property, the oxygen indexes of examples 1-3 are all larger than that of comparative examples 1-5, which shows that the flame retardant property of examples 1-3 is more excellent, compared with comparative example 1, the treatment of bamboo powder has little influence on the flame retardant property, comparative example 1 has no modification treatment on bamboo powder, comparative example 2 has no modification treatment on beech, the flame retardant property of the clothes hanger is greatly reduced, and comparative example 3 adopts a binder adopted in the market, and the influence on the flame retardant property of the clothes hanger is little; the comparative example 4 has the greatest influence on the flame retardant property of the hanger, and it can be seen that the technical solution of the present application is not applied, probably because the flame retardant substance is not uniformly dispersed during the hot pressing. Compared with the comparative examples 1 and 2, the bamboo powder and beech raw materials can enhance the connection and stability of carbon elements in the raw materials after being modified, so that the bending resistance of the clothes hanger is greatly improved; in comparative example 3, the adhesive used in the market was used, and the bending strength property of the hanger was not greatly affected. From the view point of tensile strength, the higher the tensile strength is, the stronger the mechanical property of the clothes rack is, and the arrangement of the tensile strength is that the tensile strength is more than example 1 and 3 and more than example 2 and more than comparative example 3 and more than comparative example 4 and more than comparative example 5 and more than comparative example 2 and more than comparative example 1. From the viewpoint of impact strength, the higher the impact strength is, the stronger the mechanical properties of the clothes hanger are, and the arrangement of the impact strength is, example 1 > example 3 > example 2 > comparative example 3 > comparative example 5 > comparative example 24 > comparative example 2 > comparative example 1.
And (2) test II:
control group 1: the preparation scheme is the same as that of example 2, and the composition of the coating is basically the same as that of example 1, except that: 8 parts of marigold, 5 parts of tarragon and 5 parts of lycoris radiata are not added.
Control group 2: the preparation scheme is the same as that of example 2, and the composition of the coating is basically the same as that of example 1, except that: 5 parts of tarragon are not added.
Control group 3: the preparation scheme is the same as that of example 2, and the composition of the coating is basically the same as that of example 1, except that: 8 parts of marigold and 5 parts of lycoris radiata are not added.
Control group 4: the preparation scheme is the same as that of example 2, and the composition of the coating is basically the same as that of example 1, except that: 5 parts of tarragon and 5 parts of lycoris radiata are not added.
Control group 5: the preparation was carried out in the same manner as in example 2, and the coating composition was the same as in example 1, except that: the preparation method of the coating comprises the steps of carrying out alcohol extraction on 8 parts of marigold, 5 parts of tarragon and 5 parts of lycoris radiata, mixing and heating the mixture with 15 parts of turpentine, 13 parts of wood wax oil, 10 parts of perilla oil, 12 parts of orange oil, 15 parts of bee wax, 12 parts of palm wax, 8 parts of iso-ethanol and 10 parts of polyester resin to 60 ℃, and then stirring and reacting for 5 hours.
Control group 6: the preparation scheme is the same as that of example 2, and the paint is a wood paint purchased from the market.
Blank control: the step of preparing the clothes hanger is not carried out with coating treatment.
The following performance recordings were made for examples 1-3 versus controls 1-6, a blank:
cracking condition: each group had 50 hangers, 10 groups (examples 1-3 and control groups 1-6, blank control), irradiated at a relative humidity of 8%, an illumination intensity of 3500lx, for 240 hours, and then observed for cracking of the hanger body.
Insect prevention: each of 50 hangers, 10 groups (examples 1 to 3, comparison group 1 to 6, blank comparison), was kept ventilated in a cool room with a relative humidity of 50%, and after 6 months of storage, the body of the hanger was observed for worm damage.
Figure GDA0002297237390000101
Figure GDA0002297237390000111
As can be seen from the above table, the solutions of examples 1 to 3 of the present application have more excellent anti-cracking and anti-insect effects.
The above examples are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (8)

1. A method for recycling production tailings of bamboo clothes hangers is characterized by comprising the following steps: the method specifically comprises the following steps:
s1: collecting bamboo production clothes hanger tailings, removing impurities, selecting impurity substances, leaving bamboo tailings, crushing the bamboo tailings, and sieving with a 50-mesh sieve to obtain bamboo powder for later use;
s2: adding deionized water into partial bamboo powder, heating to 38 deg.C, soaking for 1-2 hr, filtering, draining to water content of 10% -15%, adding into reaction kettle, heating to 250-300 deg.C, reacting for 30-40 min to obtain carbonized bamboo powder, adding dried SiO2Limestone and nitrogen gas are introduced: the argon gas is mixed according to the volume ratio of 2-3:1, and the temperature is rapidly increased to 8 under the environment of the mixed gas and the pressure of 20MPaMaintaining at 00-900 deg.C for 20-30min to obtain modified carbonized bamboo powder;
s3: collecting the tailings of the clothes hanger produced by the zelkova schneideriana production, removing impurities, selecting impurity substances, washing the zelkova schneideriana tailings, naturally airing, crushing to 10 meshes, introducing the crushed zelkova schneideriana tailings, silicon oxide and calcium carbonate into a reaction kettle, heating to 300-400 ℃ under the protection of nitrogen, and reacting for 45-55 seconds to obtain the modified zelkova tailings;
s4: weighing 5-8 parts of glycerol, 10-15 parts of lignosulfonate, 5.5-6.8 parts of rosin, 8-12 parts of rosin modified phenolic resin, 4-8 parts of fatty acid ester and 2.5-4.6 parts of hydroxypropyl cellulose according to parts by weight, mixing all the raw materials, putting the raw materials into a reaction kettle, heating to 45-55 ℃, continuously stirring and reacting for 25-35 minutes, heating to 65 ℃, and continuously stirring and reacting for 15-25 minutes to obtain a molten binder for later use;
s5: weighing 40-55 parts of modified zelkova wood tailings, 28-36 parts of bamboo powder, 12-18 parts of modified carbonized bamboo powder, 15-20 parts of fusion bonding agent, 1.8-2.6 parts of zinc borate and 2.2-3.4 parts of aluminum chloride according to parts by weight;
s6: after drying and activating zinc borate and aluminum chloride, adding the zinc borate into hydrochloric acid for dissolving, adding the aluminum chloride into ethanol for dissolving, respectively heating to 38 ℃ for activating, then putting the aluminum chloride and the modified carbonized bamboo powder into a reaction kettle, heating to 400-450 ℃ under the protection of nitrogen, stirring, mixing and reacting for 1.5-2.5 hours, then heating to 650-700 ℃, stirring, mixing and reacting for 0.8-1.2 hours, and then spray drying to obtain powder;
s7: mixing the modified zelkova wood tailings, the bamboo powder, the powder obtained by S6 and the molten binder, putting the mixture into a hot-pressing clothes hanger die, and then carrying out hot pressing, curing and surface sanding;
s8: brushing the paint on the molded clothes hanger obtained in the step S7 to form paint uniformly on the surface of the molded clothes hanger, and drying the molded clothes hanger;
s9: and (5) hooking the clothes hanger dried in the S8, printing a trademark mark, and boxing.
2. The method for recycling the tailing in the production of the bamboo clothes rack as claimed in claim 1, wherein the method is characterized in that: in S2, the carbonized bamboo powder and SiO2The weight part ratio of the limestone is 5-8:2-3: 3-4;
in S3, the weight part ratio of the zelkova schneideriana tailings, the silicon oxide and the calcium carbonate is 5-8:2-3: 3-4.
3. The method for recycling the bamboo clothes rack production tailings according to claim 1, is characterized in that: in S6, the mass fraction of the hydrochloric acid is 20-25%; the volume ratio of the hydrochloric acid to the zinc borate is 3-5: 2; the mass fraction of the ethanol is 85%, and the volume ratio of the ethanol to the aluminum chloride is 7-9: 2.
4. The method for recycling the bamboo clothes rack production tailings according to claim 1, is characterized in that: in S3, the temperature rising rate is 10 ℃/min; in S6, the temperature increase rate is 15 ℃/min.
5. The method for recycling the bamboo clothes rack production tailings according to claim 1, is characterized in that: in S7, the working temperature of the hot pressing is 100-120 ℃, and the working pressure is 50-60 MPa.
6. The method for recycling the bamboo clothes rack production tailings according to claim 1, is characterized in that: in S8, the paint includes, in parts by weight: 5-8 parts of marigold, 3-5 parts of tarragon, 2-5 parts of short-tube lycoris, 10-15 parts of turpentine, 8-13 parts of wood wax oil, 6-10 parts of perilla oil, 8-12 parts of orange oil, 10-15 parts of bee wax, 8-12 parts of palm wax, 5-8 parts of iso-ethanol and 8-10 parts of polyester resin;
the coating is prepared by the following specific method: weighing raw materials in parts by weight, collecting the whole plant of marigold, tarragon and lycoris radiata, cleaning, naturally drying, cutting, adding 5-10 times volume of ethanol solution for ethanol extraction for 10-12 hours, and filtering to obtain filtrate for later use; mixing turpentine, wood wax oil, perilla oil and orange oil, then putting the mixture into a reaction kettle, rapidly heating to 250 ℃ at 200 MPa under the protection of nitrogen, reacting for 3-5 hours, then cooling to 180 ℃ at 150 ℃ and preserving heat for 2-3 minutes, then cooling to 120 ℃ at 100 ℃ and preserving heat for 3-5 minutes, then cooling to 60-80 ℃, filtering while hot to obtain a mixed solution, and preserving heat at 60 ℃; mixing and dissolving the bee wax and the palm wax, adding the ethanol and the polyester resin, mixing, heating to 60 ℃, continuously stirring, and keeping the temperature for 1-2 hours for reaction; then cooling to 40 ℃, adding the filtrate and the mixed solution for standby, mixing and stirring, reacting for 1-2 hours at the temperature of 35 ℃, then standing, naturally cooling and filtering.
7. The method for recycling the bamboo clothes rack production tailings according to claim 1, is characterized in that: in S8, after the paint was applied, the paint was further subjected to a pressure treatment at 30MPa for 1 to 2 minutes, followed by drying.
8. The method for recycling the bamboo clothes rack production tailings according to claim 1, is characterized in that: in S9, in the boxing operation, every 5 clothes hangers are packaged, and foam is placed on the inner wall of the box.
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