Anticorrosion high-temperature-resistance artificial ebony and manufacturing method thereof

A technology of artificial ebony and high temperature resistance, applied in the field of artificial wood processing, can solve the problems of less development, gap in use performance, lack of ebony, etc., and achieve the effects of low synthesis cost, good economic value and beautiful appearance

Inactive Publication Date: 2016-11-09

TAICANG HONGSHAN ENVIRONMENTAL PROTECTION TECH CO LTD

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AI-Extracted Technical Summary

Problems solved by technology

[0005] As ebony is a non-renewable resource, the amount of development is less and less. At present, no material that can completely replace ebony has been found, resulting in a serious shortage of ebony in the market.

[0006] At present, imi...

Method used

A kind of anti-corrosion high temperature resistant artificial ebony provided by the present invention, described multi-wall carbon tube possesses good mechanical property, also increased the carbon content of material while increasing material mechanical property, optimizes the overall performance of material; The toughness and strength of artificial ebony are increased by adding glass fiber, and the combination of glass fiber and phenolic resin is very high; the wood grain masterbatch can make the wood grain of the product more delicate and uniform.

A kind of anti-corrosion high temperature resistant artificial ebony provided by the present invention, described multi-wall carbon tube possesses good mechanical property, also increased the carbon content of material while increasing material mechanical property, optimizes the overall performance o...

Abstract

The invention provides anticorrosion high-temperature-resistance artificial ebony. The anticorrosion high-temperature-resistance artificial ebony is prepared from phenolic resin, sawdust, multi-walled carbon nanotubes, glass fibers, dicumyl peroxide, azodicarbonamide, wood grain master batches, zinc oxide, calcium carbonate, a colorant, a stabilizer, a foaming agent, and a lubricating agent. The invention further provides a manufacturing method of the anticorrosion high-temperature-resistance artificial ebony. The artificial ebony has large hardness, high specific gravity, excellent water resistance, acid resistance, freezing tolerance, and high temperature resistance; the artificial ebony provided by the present invention has attractive appearance and excellent toughness and strength, and the color thereof is similar to that of the natural ebony; furthermore, the manufacturing method of the anticorrosion high-temperature-resistance artificial ebony has simple process and lower synthesis costs, and is beneficial to large-scale popularization and application.

Technology Topic

Specific gravityCarbon nanotube +15

Examples

Experimental program(3)

Example Embodiment

[0032] Example one

[0033] A kind of anti-corrosion and high-temperature artificial ebony, including the following raw materials in weight ratio:

[0034] Phenolic resin: 90 parts, wood chips: 42 parts, multi-wall carbon tube: 0.52 parts, glass fiber: 7.5 parts, dicumyl peroxide: 2 parts, azodicarbonamide: 6 parts, wood grain masterbatch: 0.3 Parts, zinc oxide: 1.5 parts, calcium carbonate: 2.5 parts, coloring agent: 1.6 parts, stabilizer: 4 parts, foaming agent: 2.54 parts, lubricant: 4.2 parts.

[0035] The invention provides a kind of anti-corrosion and high-temperature artificial ebony wood. The multi-wall carbon tube has good mechanical properties, which increases the mechanical properties of the material and also increases the carbon content of the material, thereby optimizing the overall performance of the material; The fiber increases the toughness and strength of the artificial ebony material, and the glass fiber has a very high bondability with the phenolic resin; the wood grain masterbatch can make the wood grain of the product more delicate and uniform.

[0036] Further, the phenolic resin is made of the following raw materials in weight ratio:

[0037] Phenol: 7.5 parts, formaldehyde: 25 parts, sodium hydroxide: 2.2 parts.

[0038] The content of the cured phenolic resin in the raw materials of the present invention is 48.5 wt%, the content of free formaldehyde is 0.13 wt%, the PH of the phenolic resin is 8.6, and the phenolic resin has good acid resistance, mechanical properties and heat resistance. Under high temperature conditions with inert gas protection, it can produce high residual carbon, which is beneficial to maintain the stability of the phenolic resin structure.

[0039] Further, the sawdust is one or more of red sandalwood sawdust, rosewood sawdust, phoebe sawdust, and locust sawdust. The wood chips can easily form high-density and high-quality residual carbon in an oxygen-deficient environment, and have good compatibility with phenolic resin.

[0040] Further, the colorant is a mixture of carbon black, iron oxide red, shellac red, and lemon yellow; the colorant is bright in color and will not fade under water, acid, high temperature, low temperature and other environments.

[0041] In addition, the stabilizer is a mixture of calcium-zinc composite stabilizer and pentaerythritol with a weight component ratio of 1:2; the stabilizer can make the artificial ebony bond more stable, prevent its decomposition and aging, and at the same time calcium-zinc composite Compared with other stabilizers such as metal lead, the stabilizer not only has a good stabilizing effect, but is also non-toxic and environmentally friendly. After mixing with pentaerythritol, its stabilizing effect can be further enhanced.

[0042] In addition, the foaming agent is one or more of fatty acid glycerides, polysorbates, and lauryl betaine. The foaming agent has a good foaming effect and reduces the surface of each chemical component. Tension, easy to compound between various material components.

[0043] Furthermore, the lubricant is a fatty acid amide lubricant, which can improve the bonding state between each component and the phenolic resin, improve the dispersibility of the raw materials of each component, and make it uniformly dispersed on the phenolic resin.

[0044] Furthermore, the method for manufacturing anti-corrosion and high-temperature resistant artificial ebony includes the following steps:

[0045] (1) Accurately weigh the quality of each raw material component according to each weight ratio, and combine the weighed phenolic resin, wood chips, multi-wall carbon tube, dicumyl peroxide, azodicarbonamide, and wood grain masterbatch , Zinc oxide, calcium carbonate, stabilizer, foaming agent and lubricant are put into the high-speed kneader and mixed evenly, the stirring temperature is 70℃, and the stirring time is 50 min;

[0046] (2) After step (1) is completed, increase the temperature while adding glass fiber and coloring agent to the high-speed kneader to continue stirring. The stirring temperature is 160°C and the stirring time is 3 h;

[0047] (3) The mixture in step (2) is fed into a twin-screw extruder, extruded through the twin-screw extruder and injection molded, wherein the temperature of the barrel of the twin-screw extruder is controlled at 240°C;

[0048] (4) Dry the product in step (3) and put it into a reaction vessel, heat it to 325°C, pressurize it to 0.32 MPa under an inert gas protection environment, and keep it warm and pressure for 30 h.

[0049] The invention provides a method for manufacturing anti-corrosion and high-temperature artificial ebony, which has simple process, low synthesis cost, and can form high-density, high-quality residual carbon under the condition of high temperature and high pressure protected by inert gas, so that the entire material It has high hardness and high specific gravity, and its performance is more similar to natural ebony.

Example Embodiment

[0050] Example two

[0051] A kind of anti-corrosion and high-temperature artificial ebony, including the following raw materials in weight ratio:

[0052] Phenolic resin: 80 parts, wood chips: 49 parts, multi-wall carbon tube: 0.1 parts, glass fiber: 10 parts, dicumyl peroxide: 1.2 parts, azodicarbonamide: 7.8 parts, wood grain masterbatch: 0.1 Parts, zinc oxide: 1 part, calcium carbonate: 2.85 parts, coloring agent: 1.2 parts, stabilizer: 3 parts, foaming agent: 2.9 parts, lubricant: 3 parts.

[0053] The invention provides a kind of anti-corrosion and high-temperature artificial ebony wood. The multi-wall carbon tube has good mechanical properties, which increases the mechanical properties of the material and also increases the carbon content of the material, thereby optimizing the overall performance of the material; The fiber increases the toughness and strength of the artificial ebony, the glass fiber has a very high bondability with the phenolic resin; the wood grain masterbatch can make the wood grain of the product more delicate and uniform.

[0054] Further, the phenolic resin is made of the following raw materials in weight ratio:

[0055] Phenol: 5 parts, formaldehyde: 20 parts, sodium hydroxide: 1 part.

[0056] The content of the cured phenolic resin in the raw materials of the present invention is 49 wt%, the content of free formaldehyde is 0.15 wt%, the PH of the phenolic resin is 9, and the phenolic resin has good acid resistance, mechanical properties and heat resistance. Under high temperature conditions with inert gas protection, it can produce high residual carbon, which is beneficial to maintain the stability of the phenolic resin structure.

[0057] Further, the sawdust is one or more of red sandalwood sawdust, rosewood sawdust, phoebe sawdust, and locust sawdust. The wood chips can easily form high-density, high-quality residual carbon in an oxygen-deficient environment, and have good compatibility with phenolic resin.

[0058] Further, the colorant is a mixture of carbon black, iron oxide red, shellac red, and lemon yellow; the colorant is bright in color and will not fade under water, acid, high temperature, low temperature and other environments.

[0059] In addition, the stabilizer is a mixture of calcium-zinc composite stabilizer and pentaerythritol in a weight component ratio of 1:2; the stabilizer can make the artificial ebony material more stable in adhesion, prevent its decomposition and aging, and at the same time, calcium-zinc Compared with other stabilizers such as metal lead, the composite stabilizer not only has a good stabilizing effect, but is also non-toxic and environmentally friendly. When mixed with pentaerythritol, its stabilizing effect can be further enhanced.

[0060] In addition, the foaming agent is one or more of fatty acid glycerides, polysorbate, and lauryl betaine. The foaming agent has a good foaming effect and reduces the surface of each chemical component. Tension, easy to compound between various material components.

[0061] Furthermore, the lubricant is a fatty acid amide lubricant, which can improve the bonding state between each component and the phenolic resin, improve the dispersibility of the raw materials of each component, and make it uniformly dispersed on the phenolic resin.

[0062] Furthermore, the method for manufacturing anti-corrosion and high-temperature resistant artificial ebony includes the following steps:

[0063] (1) Accurately weigh the quality of each raw material component according to each weight ratio, and combine the weighed phenolic resin, wood chips, multi-wall carbon tube, dicumyl peroxide, azodicarbonamide, and wood grain masterbatch , Zinc oxide, calcium carbonate, stabilizer, foaming agent and lubricant are put into the high-speed kneader and mixed evenly, the stirring temperature is 60℃, and the stirring time is 40 min;

[0064] (2) After step (1) is completed, increase the temperature, and at the same time add glass fiber and coloring agent to the high-speed kneader to continue stirring. The stirring temperature is 170°C and the stirring time is 2 h;

[0065] (3) The mixture in step (2) is fed into a twin-screw extruder, extruded through the twin-screw extruder and injection molded, wherein the temperature of the barrel of the twin-screw extruder is controlled at 250°C;

[0066] (4) After drying the product in step (3), put it into a reaction vessel, heat it to 300°C, pressurize it to 0.35 MPa under an inert gas protection environment, and keep it warm and pressure for 24 hours.

[0067] The invention provides a method for manufacturing anti-corrosion and high-temperature artificial ebony, which has simple process, low synthesis cost, and can form high-density, high-quality residual carbon under inert gas protection under high-temperature and high-pressure conditions. It has high hardness and high specific gravity, and its performance is more similar to natural ebony.

Example Embodiment

[0068] Example three

[0069] A kind of anti-corrosion and high-temperature artificial ebony, including the following raw materials in weight ratio:

[0070] Phenolic resin: 100 parts, sawdust: 32 parts, multi-wall carbon tube: 0.9 parts, glass fiber: 5 parts, dicumyl peroxide: 3 parts, azodicarbonamide: 4.1 parts, wood grain masterbatch: 0.5 Parts, zinc oxide: 1.95 parts, calcium carbonate: 2 parts, coloring agent: 1.9 parts, stabilizer: 5 parts, foaming agent: 2 parts, lubricant: 5 parts.

[0071] The invention provides a kind of anti-corrosion and high-temperature artificial ebony wood. The multi-wall carbon tube has good mechanical properties, which increases the mechanical properties of the material and also increases the carbon content of the material, thereby optimizing the overall performance of the material; The fiber increases the toughness and strength of the artificial ebony material, and the glass fiber has a very high bondability with the phenolic resin; the wood grain masterbatch can make the wood grain of the product more delicate and uniform.

[0072] Further, the phenolic resin is made of the following raw materials in weight ratio:

[0073] Phenol: 9.5 parts, formaldehyde: 28 parts, sodium hydroxide: 2.9 parts.

[0074] The content of the cured phenolic resin in the raw materials of the present invention is 48 wt%, the content of free formaldehyde is 0.1 wt%, and the PH of the phenolic resin is 8. The phenolic resin has good acid resistance, mechanical properties and heat resistance. Under high temperature conditions with inert gas protection, it can produce high residual carbon, which is beneficial to maintain the stability of the phenolic resin structure.

[0075] Further, the sawdust is one or more of red sandalwood sawdust, rosewood sawdust, phoebe sawdust, and locust sawdust. The wood chips can easily form high-density, high-quality residual carbon in an oxygen-deficient environment, and have good compatibility with phenolic resin.

[0076] Further, the coloring agent is a mixture of carbon black, iron oxide red, shellac red, and lemon yellow; the coloring agent is bright in color and will not fade under water, acid, high temperature, low temperature and other environments.

[0077] In addition, the stabilizer is a mixture of calcium-zinc composite stabilizer and pentaerythritol in a weight component ratio of 1:2; the stabilizer can make the artificial ebony material more stable in adhesion, prevent its decomposition and aging, and at the same time, calcium-zinc Compared with other stabilizers such as metal lead, the composite stabilizer not only has a good stabilizing effect, but is also non-toxic and environmentally friendly. After mixing with pentaerythritol, its stabilizing effect can be further enhanced.

[0078] In addition, the foaming agent is one or more of fatty acid glycerides, polysorbate, and lauryl betaine. The foaming agent has a good foaming effect and reduces the surface of each chemical component. Tension, easy to compound between various material components.

[0079] Furthermore, the lubricant is a fatty acid amide lubricant, which can improve the bonding state between each component and the phenolic resin, improve the dispersibility of the raw materials of each component, and make it uniformly dispersed on the phenolic resin.

[0080] Furthermore, the manufacturing method of the anti-corrosion and high-temperature resistant artificial ebony includes the following steps:

[0081] (1) Accurately weigh the quality of each raw material component according to each weight ratio, and combine the weighed phenolic resin, wood chips, multi-wall carbon tube, dicumyl peroxide, azodicarbonamide, and wood grain masterbatch , Zinc oxide, calcium carbonate, stabilizers, foaming agents and lubricants are put into the high-speed kneader and mixed evenly, the stirring temperature is 80℃, and the stirring time is 60 min;

[0082] (2) After step (1) is completed, increase the temperature while adding glass fiber and coloring agent to the high-speed kneader to continue stirring. The stirring temperature is 150°C and the stirring time is 4 h;

[0083] (3) The mixture in step (2) is fed into a twin-screw extruder, extruded through the twin-screw extruder and injection molded, wherein the temperature of the barrel of the twin-screw extruder is controlled at 230°C;

[0084] (4) Dry the product in step (3) and put it into a reaction vessel, heat it to 350°C, pressurize it to 0.3 MPa, and keep it warm for 36 h under an inert gas protection environment.

[0085] The manufacturing method of the anti-corrosion and high temperature resistant artificial ebony has simple process, low synthesis cost, and can form high-density, high-quality residual carbon under the conditions of high temperature and high pressure protected by inert gas. The material has high hardness and high specific gravity, and its performance is more similar to that of natural ebony.

[0086] The invention provides a kind of anti-corrosion and high-temperature artificial ebony with high hardness, high specific gravity, good water resistance, acid resistance and anti-corrosion functions, and the artificial ebony material also has excellent frost resistance and high temperature resistance, and the surface is not Cracks occur and can be stored permanently. In addition, the artificial ebony provided by the present invention has a beautiful appearance and good texture, the color is similar to natural ebony, and has good toughness and strength. Furthermore, the artificial ebony of the present invention is environmentally friendly and non-toxic, can improve economic benefits, has good economic value and broad development prospects. In addition, the manufacturing method of artificial ebony provided by the present invention has simple process and low synthesis cost, which is beneficial to large-scale popularization and application.

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Description & Claims & Application Information

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Classification and recommendation of technical efficacy words

high hardness
Raise the proportion

Anticorrosion high-temperature-resistance artificial ebony and manufacturing method thereof

A technology of artificial ebony and high temperature resistance, applied in the field of artificial wood processing, can solve the problems of less development, gap in use performance, lack of ebony, etc., and achieve the effects of low synthesis cost, good economic value and beautiful appearance

AI-Extracted Technical Summary

Problems solved by technology

Method used

Abstract

Examples

Example Embodiment

Example Embodiment

Example Embodiment

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Description & Claims & Application Information

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