CN108772930B - Wicker product capable of absorbing ultraviolet radiation - Google Patents
Wicker product capable of absorbing ultraviolet radiation Download PDFInfo
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- CN108772930B CN108772930B CN201810363240.6A CN201810363240A CN108772930B CN 108772930 B CN108772930 B CN 108772930B CN 201810363240 A CN201810363240 A CN 201810363240A CN 108772930 B CN108772930 B CN 108772930B
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- wicker
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- rectorite
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- tertiary amine
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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
- B27K3/005—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process employing compositions comprising microparticles
-
- 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
- B27K3/15—Impregnating involving polymerisation including use of polymer-containing impregnating agents
- B27K3/156—Combined with grafting onto wood fibres
-
- 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
-
- 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
- B27K5/003—Treating of wood not provided for in groups B27K1/00, B27K3/00 by using electromagnetic radiation or mechanical waves
- B27K5/0065—Ultrasonic treatment
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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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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/32—Radiation-absorbing paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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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
- B27K2200/00—Wooden materials to be treated
- B27K2200/10—Articles made of particles or fibres consisting of wood or other lignocellulosic material
-
- 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
- B27K2240/90—UV-protection
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The invention discloses a wicker product capable of absorbing ultraviolet radiation, which relates to the technical field of wicker products, and is characterized in that the wicker product is obtained by grafting and modifying the surface of wicker with dodecyl dimethyl tertiary amine, coating a layer of paint capable of absorbing ultraviolet radiation on the surface of the wicker, solidifying the paint into a coating, and then weaving; according to the wicker product capable of absorbing ultraviolet radiation, the traditional wicker product is used as a base material, the surface of the traditional wicker product is coated with the coating capable of absorbing ultraviolet radiation, the aging resistance of the surface of the traditional wicker product is effectively improved, the service life of the wicker product is further obviously prolonged, and the ultraviolet radiation absorption effect of the coating can be effectively improved through the compound synergistic effect of the active sodium rectorite and the nano silicon dioxide. The prepared paint capable of absorbing ultraviolet radiation can form a uniform and stable coating film on the surface of a wicker product, and has high coating film adhesion and good peeling resistance.
Description
Technical Field
The invention belongs to the technical field of wicker products, and particularly relates to a wicker product capable of absorbing ultraviolet radiation.
Background
The traditional handicraft is an important part in the traditional culture of China, and the wickerwork is one of the excellent traditional folk handicrafts of China. The wicker is soft and easy to bend, uniform in thickness and elegant in color, and various simple, natural, attractive in appearance, light and durable practical artworks can be woven through a novel design. With the development of social economy, the market share of wicker products is gradually increased, even the wicker products are sold at home and abroad, the market demands also promote the challenge of industrial upgrading of the traditional wicker production, how to realize the virtuous circle development of the industry on the basis of keeping the essence of the traditional wicker process, improve the competitiveness of the products and form a set of development modes of multiple industrial chains, which are the prerequisite conditions for globalization and marketization of the wicker technology.
The wicker products can be widely used in daily life, particularly wicker boxes (bags), meal baskets, vegetable baskets (round and oval), wicker nets, wicker products, mats, reed foils and the like, but the wicker products are subjected to long-term irradiation of the sun when in use, so that the surface aging is caused, and the service life is shortened.
Disclosure of Invention
The invention aims to solve the existing problems and provides a wicker product capable of absorbing ultraviolet radiation.
The invention is realized by the following technical scheme:
a wicker product capable of absorbing ultraviolet radiation is prepared by grafting and modifying the surface of wicker with dodecyl dimethyl tertiary amine, coating a layer of paint capable of absorbing ultraviolet radiation on the surface of wicker, solidifying the paint into a coating, and then weaving to obtain the wicker product.
Further, the specific steps of grafting and modifying the surface of the wicker by dodecyl dimethyl tertiary amine are as follows:
a, uniformly dispersing dodecyl dimethyl tertiary amine into absolute ethyl alcohol to prepare dodecyl dimethyl tertiary amine alcohol solution with the mass fraction of 3.5-5.2%;
b, heating the dodecyl dimethyl tertiary amine alcohol solution to 55-60 ℃, and preserving the temperature for 10 min;
c, adding wicker into the dodecyl dimethyl tertiary amine alcohol solution, completely soaking for 5-10min, then adding hydrogen peroxide with the mass of 5.2-5.5% of that of the wicker, stirring for 20min at the rotating speed of 500r/min, then adding ammonium ceric nitrate with the mass of 0.12% of that of the wicker, carrying out ultrasonic treatment for 3-5min, then preserving the temperature for 2 h at 60 ℃, then filtering, cleaning the surface of the wicker with deionized water, and drying at 60 ℃ until the weight is constant.
Further, the ultrasonic power is 800W, and the frequency is 40 kHz.
Further, the ultraviolet radiation absorbing coating is cured to form a coating with the thickness of 20-22 μm.
Further, the paint capable of absorbing ultraviolet radiation is prepared from the following components in parts by weight: 95-100 parts of organic silicon resin, 12-15 parts of active sodium rectorite, 1.2-1.5 parts of graphene, 4-5 parts of nano silicon dioxide, 0.3-0.5 part of alkyl glycoside and 20-25 parts of alkyd resin.
Further, the preparation method of the active sodium rectorite comprises the following steps:
adding rectorite according to the weight ratio of 120 g: uniformly dispersing 500mL of the aqueous dispersion into deionized water, adding sodium metaphosphate accounting for 30% of the mass of the rectorite, heating to 90 ℃, stirring at the rotating speed of 2000r/min for 40min, standing for 10min, adding dodecyl glucoside accounting for 5% of the mass of the rectorite, continuously stirring for 30min, then performing suction filtration, and drying to constant weight to obtain the aqueous dispersion.
Further, the particle size of the rectorite is 0.12-0.18 μm.
Further, the particle size of the graphene is 0.12-0.18 μm.
Further, the particle size of the nano silicon dioxide is 50-60 nm.
Further, the mass ratio of the active sodium rectorite to the nano silicon dioxide is 3: 1.
Compared with the prior art, the invention has the following advantages: according to the wicker product capable of absorbing ultraviolet radiation, the traditional wicker product is used as a base material, the surface of the traditional wicker product is coated with the coating capable of absorbing ultraviolet radiation, the aging resistance of the surface of the traditional wicker product is effectively improved, the service life of the wicker product is further obviously prolonged, and the ultraviolet radiation absorption effect of the coating can be effectively improved through the compound synergistic effect of the active sodium rectorite and the nano silicon dioxide. The prepared paint capable of absorbing ultraviolet radiation can form a uniform and stable coating on the surface of a wicker product, the coating is high in adhesion and good in peeling resistance, the surface of wickers is grafted and modified by dodecyl dimethyl tertiary amine before the paint is used, the surface affinity of the wickers can be effectively improved, the bonding force of the wicker surface to the paint can be improved, the bonding interface of the paint and the surface of the wickers is chemically bonded to form a stable chemical bond, the adsorption acting force of the coating on the wicker surface is remarkably improved, the whole coating system structure is changed, the coating affinity to the outside is increased, and the coating hardness is improved.
Drawings
FIG. 1 is a UV absorption spectrum.
Detailed Description
Example 1
A wicker product capable of absorbing ultraviolet radiation is prepared by grafting and modifying the surface of wicker with dodecyl dimethyl tertiary amine, coating a layer of paint capable of absorbing ultraviolet radiation on the surface of wicker, solidifying the paint into a coating, and then weaving to obtain the wicker product.
Further, the specific steps of grafting and modifying the surface of the wicker by dodecyl dimethyl tertiary amine are as follows:
uniformly dispersing dodecyl dimethyl tertiary amine into absolute ethyl alcohol to prepare dodecyl dimethyl tertiary amine alcohol solution with the mass fraction of 3.5%;
b, heating the dodecyl dimethyl tertiary amine alcohol solution to 55 ℃, and preserving the temperature for 10 min;
c, adding wicker into the dodecyl dimethyl tertiary amine alcohol solution, completely soaking for 5min, then adding hydrogen peroxide with the mass of 5.2% of that of the wicker, stirring for 20min at the rotating speed of 500r/min, then adding ammonium ceric nitrate with the mass of 0.12% of that of the wicker, carrying out ultrasonic treatment for 3min, then carrying out heat preservation for 2 h at the temperature of 60 ℃, then filtering, cleaning the surface of the wicker by deionized water, and drying at the temperature of 60 ℃ to constant weight.
Further, the ultrasonic power is 800W, and the frequency is 40 kHz.
Further, the ultraviolet radiation absorbing coating is cured to a coating thickness of 20 μm.
Further, the paint capable of absorbing ultraviolet radiation is prepared from the following components in parts by weight: 95 parts of organic silicon resin, 12 parts of active sodium rectorite, 1.2 parts of graphene, 4 parts of nano silicon dioxide, 0.3 part of alkyl glycoside and 20 parts of alkyd resin.
Further, the preparation method of the active sodium rectorite comprises the following steps:
adding rectorite according to the weight ratio of 120 g: uniformly dispersing 500mL of the aqueous dispersion into deionized water, adding sodium metaphosphate accounting for 30% of the mass of the rectorite, heating to 90 ℃, stirring at the rotating speed of 2000r/min for 40min, standing for 10min, adding dodecyl glucoside accounting for 5% of the mass of the rectorite, continuously stirring for 30min, then performing suction filtration, and drying to constant weight to obtain the aqueous dispersion.
Further, the particle size of the rectorite is 0.12 μm.
Further, the graphene particle size is 0.12 μm.
Further, the particle size of the nano silicon dioxide is 50 nm.
Further, the mass ratio of the active sodium rectorite to the nano silicon dioxide is 3: 1.
Example 2
A wicker product capable of absorbing ultraviolet radiation is prepared by grafting and modifying the surface of wicker with dodecyl dimethyl tertiary amine, coating a layer of paint capable of absorbing ultraviolet radiation on the surface of wicker, solidifying the paint into a coating, and then weaving to obtain the wicker product.
Further, the specific steps of grafting and modifying the surface of the wicker by dodecyl dimethyl tertiary amine are as follows:
uniformly dispersing dodecyl dimethyl tertiary amine into absolute ethyl alcohol to prepare 5.2 mass percent dodecyl dimethyl tertiary amine alcohol solution;
b, heating the dodecyl dimethyl tertiary amine alcohol solution to 60 ℃, and preserving the temperature for 10 min;
c, adding wicker into the dodecyl dimethyl tertiary amine alcohol solution, completely soaking for 10min, then adding hydrogen peroxide with the mass of 5.5% of that of the wicker, stirring for 20min at the rotating speed of 500r/min, then adding ammonium ceric nitrate with the mass of 0.12% of that of the wicker, carrying out ultrasonic treatment for 5min, then carrying out heat preservation for 2 h at the temperature of 60 ℃, then filtering, cleaning the surface of the wicker by deionized water, and drying at the temperature of 60 ℃ to constant weight.
Further, the ultrasonic power is 800W, and the frequency is 40 kHz.
Further, the ultraviolet radiation absorbing coating is cured to a coating thickness of 22 μm.
Further, the paint capable of absorbing ultraviolet radiation is prepared from the following components in parts by weight: 100 parts of organic silicon resin, 15 parts of active sodium rectorite, 1.5 parts of graphene, 5 parts of nano silicon dioxide, 0.5 part of alkyl glycoside and 25 parts of alkyd resin.
Further, the preparation method of the active sodium rectorite comprises the following steps:
adding rectorite according to the weight ratio of 120 g: uniformly dispersing 500mL of the aqueous dispersion into deionized water, adding sodium metaphosphate accounting for 30% of the mass of the rectorite, heating to 90 ℃, stirring at the rotating speed of 2000r/min for 40min, standing for 10min, adding dodecyl glucoside accounting for 5% of the mass of the rectorite, continuously stirring for 30min, then performing suction filtration, and drying to constant weight to obtain the aqueous dispersion.
Further, the particle size of the rectorite is 0.18 μm.
Further, the graphene particle size is 0.18 μm.
Further, the particle size of the nano silicon dioxide is 60 nm.
Further, the mass ratio of the active sodium rectorite to the nano silicon dioxide is 3: 1.
Example 3
A wicker product capable of absorbing ultraviolet radiation is prepared by grafting and modifying the surface of wicker with dodecyl dimethyl tertiary amine, coating a layer of paint capable of absorbing ultraviolet radiation on the surface of wicker, solidifying the paint into a coating, and then weaving to obtain the wicker product.
Further, the specific steps of grafting and modifying the surface of the wicker by dodecyl dimethyl tertiary amine are as follows:
uniformly dispersing dodecyl dimethyl tertiary amine into absolute ethyl alcohol to prepare dodecyl dimethyl tertiary amine alcohol solution with the mass fraction of 3.8%;
b, heating the dodecyl dimethyl tertiary amine alcohol solution to 58 ℃, and preserving the temperature for 10 min;
c, adding wicker into the dodecyl dimethyl tertiary amine alcohol solution, completely soaking for 6min, then adding hydrogen peroxide with the mass of 5.3% of that of the wicker, stirring for 20min at the rotating speed of 500r/min, then adding ammonium ceric nitrate with the mass of 0.12% of that of the wicker, carrying out ultrasonic treatment for 4min, then carrying out heat preservation for 2 h at the temperature of 60 ℃, then filtering, cleaning the surface of the wicker by deionized water, and drying at the temperature of 60 ℃ to constant weight.
Further, the ultrasonic power is 800W, and the frequency is 40 kHz.
Further, the ultraviolet radiation absorbing coating is cured to a coating thickness of 21 μm.
Further, the paint capable of absorbing ultraviolet radiation is prepared from the following components in parts by weight: 98 parts of organic silicon resin, 13.5 parts of active sodium rectorite, 1.35 parts of graphene, 4.5 parts of nano silicon dioxide, 0.4 part of alkyl glycoside and 22 parts of alkyd resin.
Further, the preparation method of the active sodium rectorite comprises the following steps:
adding rectorite according to the weight ratio of 120 g: uniformly dispersing 500mL of the aqueous dispersion into deionized water, adding sodium metaphosphate accounting for 30% of the mass of the rectorite, heating to 90 ℃, stirring at the rotating speed of 2000r/min for 40min, standing for 10min, adding dodecyl glucoside accounting for 5% of the mass of the rectorite, continuously stirring for 30min, then performing suction filtration, and drying to constant weight to obtain the aqueous dispersion.
Further, the particle size of the rectorite is 0.16 μm.
Further, the graphene particle size is 0.16 μm.
Further, the particle size of the nano silicon dioxide is 55 nm.
Further, the mass ratio of the active sodium rectorite to the nano silicon dioxide is 3: 1.
Comparative example 1: the only difference from example 1 is that no rectorite is added to the coating which absorbs ultraviolet radiation.
Comparative example 2: the only difference from example 1 is that the nanosilica in the uv radiation absorbing coating is replaced by a silica of equivalent particle size to rectorite.
Comparative example 3: the difference from example 1 is that the activated sodium-modified rectorite was replaced with unmodified rectorite.
Comparative example 4: the difference from example 1 is that the surface of the wicker is not graft-modified with dodecyl dimethyl tertiary amine.
The paint capable of absorbing ultraviolet radiation in the examples and the comparative examples is used for uniformly coating the surface of the same glass plate, the thickness of the coating is 20 mu m, and after the coating is completely dried under the same conditions, the performance test of a paint film is carried out;
measuring the adhesive force of the coating according to GB/T1720-79;
hardness: testing according to pencil hardness GB/T6379-1996;
TABLE 1
| Coating film adhesion/grade | Pencil hardness/H | |
| Example 1 | 0 | 4 |
| Example 2 | 0 | 4 |
| Example 3 | 0 | 4 |
| Comparative example 1 | 2 | 3 |
| Comparative example 2 | 1 | 2 |
| Comparative example 3 | 1 | 2 |
| Comparative example 4 | 3 | 3 |
As can be seen from Table 1, the UV radiation absorbing coating of the present invention has good adhesion and hardness.
Coating the surface of the same glass plate with the ultraviolet radiation-absorbing coatings of the examples and the comparative examples, wherein the coating thickness is 20 mu m, and performing a coating performance test after the coatings are completely dried under the same conditions;
artificial weather aging resistance (GB/T9755-2001)/h;
TABLE 2
| Aging resistance/h | |
| Example 1 | ≥1340 |
| Example 2 | ≥1340 |
| Example 3 | ≥1340 |
| Comparative example 1 | ≥800 |
| Comparative example 2 | ≥1000 |
| Comparative example 3 | ≥920 |
As can be seen from Table 2, the active sodium rectorite can effectively improve the aging resistance of the coating.
The ultraviolet absorption spectrum (UV,
UV-3600 UV spectrophotometer) the surface coating of the wicker product coated with the coating absorbing UV radiation was tested and the results are shown in fig. 1 as UV absorption spectrum (a is example mean, b is comparative example 2, c is comparative example 3, d is comparative example 4);
as can be seen from fig. 1, the synergistic effect of the activated sodium rectorite and the nano-silica can significantly enhance the absorption effect of the ultraviolet radiation of the coating formed on the surface of the wicker product by the ultraviolet radiation-absorbing coating.
Claims (1)
1. A wicker product capable of absorbing ultraviolet radiation is characterized in that the wicker product is obtained by grafting and modifying the surface of wicker with dodecyl dimethyl tertiary amine, painting a layer of paint capable of absorbing ultraviolet radiation on the surface of the wicker, solidifying the paint into a coating, and then weaving; the specific steps of grafting and modifying the surface of the wicker by dodecyl dimethyl tertiary amine are as follows:
a, uniformly dispersing dodecyl dimethyl tertiary amine into absolute ethyl alcohol to prepare dodecyl dimethyl tertiary amine alcohol solution with the mass fraction of 3.5-5.2%;
b, heating the dodecyl dimethyl tertiary amine alcohol solution to 55-60 ℃, and preserving the temperature for 10 min;
c, adding wicker into a dodecyl dimethyl tertiary amine alcohol solution, completely soaking for 5-10min, then adding hydrogen peroxide with the mass of 5.2-5.5% of that of the wicker, stirring for 20min at the rotating speed of 500r/min, then adding ammonium ceric nitrate with the mass of 0.12% of that of the wicker, carrying out ultrasonic treatment for 3-5min, then preserving heat for 2 h at 60 ℃, then filtering, cleaning the surface of the wicker with deionized water, and drying at 60 ℃ to constant weight; the power of the ultrasonic wave is 800W, and the frequency is 40 kHz; the thickness of the coating which can absorb ultraviolet radiation is 20-22 mu m after being cured; the paint capable of absorbing ultraviolet radiation is prepared from the following components in parts by weight: 95-100 parts of organic silicon resin, 12-15 parts of active sodium rectorite, 1.2-1.5 parts of graphene, 4-5 parts of nano silicon dioxide, 0.3-0.5 part of alkyl glycoside and 20-25 parts of alkyd resin; the preparation method of the active sodium rectorite comprises the following steps:
adding rectorite according to the weight ratio of 120 g: uniformly dispersing 500mL of the aqueous dispersion into deionized water, adding sodium metaphosphate accounting for 30% of the mass of rectorite, heating to 90 ℃, stirring at the rotating speed of 2000r/min for 40min, standing for 10min, adding dodecyl glucoside accounting for 5% of the mass of rectorite, continuously stirring for 30min, then performing suction filtration, and drying to constant weight to obtain the aqueous dispersion; the particle size of the rectorite is 0.12-0.18 mu m; the granularity of the graphene is 0.12-0.18 mu m; the particle size of the nano silicon dioxide is 50-60 nm; the mass ratio of the active sodium rectorite to the nano silicon dioxide is 3: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810363240.6A CN108772930B (en) | 2018-04-21 | 2018-04-21 | Wicker product capable of absorbing ultraviolet radiation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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