CN101234497B - Method for preparing liquid state silicon series charing antisepsis wood bamboo - Google Patents
Method for preparing liquid state silicon series charing antisepsis wood bamboo Download PDFInfo
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- CN101234497B CN101234497B CN2008100306878A CN200810030687A CN101234497B CN 101234497 B CN101234497 B CN 101234497B CN 2008100306878 A CN2008100306878 A CN 2008100306878A CN 200810030687 A CN200810030687 A CN 200810030687A CN 101234497 B CN101234497 B CN 101234497B
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Abstract
The invention discloses a preparation method of a liquid silicon system carbonization antiseptic wood-bamboo; the preparation steps comprise: (1) the bamboo is put into a pressure tank; (2) certain amount of liquid silicon system compound or silicon compound of arbitrary proportion is added into the pressure tank until the bamboo is submerged; then the pressure in the pressure tank is lifted to 5-100MPa and held for 1-24 hours, with an immersion temperature of 10-70 DEG C; the pressure is then lowered to 1-0.3MPa, when the bamboo is taken out to derive silicon system immersing bamboo; (3) thesilicon system immersing bamboo is put into a carbonization furnace; the carbonization furnace is sealed and pressed inert gases; the temperature rises quickly to 200 DEG C to 800 DEG C and is held for 10-180min; then the temperature is slowly reduced to 80 DEG C; when the bamboo is withdrawn, super-hydrophobic carborundum and silicon dioxide membrane is formed on the surface of the bamboo, and the liquid silicon system carbonization antiseptic wood-bamboo is derived. The preparation method of the liquid silicon system carbonization antiseptic wood-bamboo provided by the invention has the advantages of simple operation technology, good controllability, low cost, no complicated chemical treatment, no expensive equipment and industrialization facilitating.
Description
Technical field
The present invention relates to a kind of method of utilizing liquid state silicon series compound based superhydrophobic thin films, thereby form silicon series charing antisepsis wood bamboo.
Background technology:
Be subjected to the inspiration of straw leaf effect, the solid material (contact angle of material surface and water is greater than 150 °, and water droplet has less roll angle from the teeth outwards) with super hydrophobic surface has caused extensive interest.Super hydrophobic surface all is with a wide range of applications in scientific research and industrial and agricultural production and daily life owing to have characteristics such as waterproof, antifog, anti-oxidant, automatically cleaning.For example can be applicable to the bio-medical material etc. of free of losses conveying, moisture-proof packaging material, inhibition blood coagulation and blood contamination of textile, the liquid of the construction material of self-cleaning function and exterior coating, self-cleaning function.
As everyone knows, the wetability of the surface of solids is by the chemical composition and the surface roughness decision on surface.Contact angle at smooth surface can only be brought up to 120 ℃ at most.By to the discovering of nature super hydrophobic surfaces such as lotus leaf, superhydrophobic property is by low-surface-energy material and the common decision of surface roughness.Therefore, make up super-hydrophobic surface need with the surface can and surface roughness in conjunction with realizing.At present, have a lot of methods to be used to make up solid material with super hydrophobic surface, as Jiang Lei etc. at " Angew.Chem.Int.Ed. " 2004,43, reported the super hydrophobic surface that utilizes electrospinning to prepare the class patellate on the 4338-4341, its contact angle is 160.4 ± 1.2 °; Jin Meihua etc. have reported on the 1977-1981 and have utilized aluminium oxide to prepare super-hydrophobic polystyrene film for template at " Advanced Materials " 2005,17; Poncin-Epaillard etc. are at " Surface﹠amp; Coatings Technology " 2006,200, reported on the 5296-5305 and utilized plasma technique to prepare transparent super-hydrophobic polyethylene film that its contact angle reaches 170 °; Except above method, also have sol-gel process, fluorinated coating method, chemical vapour deposition technique, electrochemical deposition method, polyelectrolyte alternating deposit method, anodizing, mechanical stretching method etc.Yet, existing these methods or the expensive material of use, or need special process equipment or complicated technical process, be difficult to industrialization.Therefore invent a kind of technology simple and that be easy to industrialization and prepare super hydrophobic surface and be necessary, and form silicon series charing antisepsis wood bamboo.
Summary of the invention
Technical problem to be solved by this invention provides that a kind of operating procedure is simple, controllability good, cost is low, need not complex chemical treatment, also do not need the preparation method of the liquid state silicon series charing antisepsis wood bamboo of expensive equipment.
In order to solve the problems of the technologies described above, the preparation method of liquid state silicon series charing antisepsis wood bamboo provided by the invention comprises the steps:
(1), pending material is put into pressure pan; Wherein pending material is former bamboo, bamboo chip, bamboo fibre, bamboo matter wood shavings, log, wood chip, wood-fibred or wood particle;
(2), take by weighing a certain amount of liquid state silicon series compound, join in the pressure pan until flooding pending material, then pressure in the pressure pan is raised to 5-100MPa, and kept 1-24 hour, the temperature when impregnating is 10-70 ℃; Unload then and be pressed onto 1-0.3Mpa, take out, obtain silicon system and impregnate material; Wherein the liquid state silicon series compound is meant silicone oil;
(3), material is impregnated in silicon system and put into retort, and seal retort, be pressed into inert gas, be warmed up to 200 ℃-800 ℃ rapidly, keep 10-180min, slow then below 80 ℃ of cooling take out and handle material, handle material surface super-hydrophobic carborundum of formation and silica membrane, promptly obtain liquid state silicon series charing antisepsis wood bamboo, wherein inert gas is meant helium.
Adopt the preparation method of the liquid state silicon series charing antisepsis wood bamboo of technique scheme, the liquid state silicon series charing antisepsis wood bamboo of producing, form one deck super-hydrophobic silica and carborundum films material, by diameter is mixing the microballoon of forming by carborundum and silica and forming of 1-4 μ m, pore diameter 10nm-10 μ m, the contact angle of this film and water between 150-170 °, water droplet in the roll angle of material surface less than 10 °.The superhydrophobic property of super-hydrophobic silica of the present invention and carborundum films is stable, is that 0-40 ℃, relative humidity are to place 1 year in the environment of 20%-70% in temperature range, and superhydrophobic property does not change.Liquid state silicon series charing antisepsis wood bamboo is tasteless nontoxic, has good anti-corrosive properties, and is environmentally friendly, and field such as carry in the liquid free of losses, waterproof and dampproof has wide practical use.Preparation method's operating procedure of liquid state silicon series charing antisepsis wood bamboo of the present invention is simple, favorable reproducibility, need not any expensive device, also do not need the complex chemical treatment process, has good industrial applications prospect.
In sum, the present invention is that a kind of operating procedure is simple, controllability good, cost is low, need not complex chemical treatment, does not also need the preparation method of the liquid state silicon series charing antisepsis wood bamboo of expensive equipment.
The specific embodiment
Can further be expressly understood the present invention by specific embodiments of the invention given below, but following embodiment is not a limitation of the invention.
Embodiment 1:
The preparation method of liquid state silicon series charing antisepsis wood bamboo comprises the steps:
(1), former bamboo is put into pressure pan;
(2), take by weighing a certain amount of silicone oil, join in the pressure pan until flooding former bamboo, then pressure in the pressure pan is raised to 80MPa, and kept 20 hours, the temperature when impregnating is 70 ℃; Unload then and be pressed onto 0.7Mpa, open valve remaining silicone oil is discharged pressure pan, after having arranged, can take out former bamboo, obtain silicon system and impregnate bamboo;
(3), bamboo is impregnated in silicon system and put into retort, and seal retort, be pressed into the carbon dioxide inert gas, be warmed up to 800 ℃ rapidly, keep 10min, slow then below 80 ℃ of cooling, take out bamboo wood, the bamboo wood surface forms super-hydrophobic carborundum and silica membrane, promptly obtains the liquid state silicon series charing antisepsis bamboo.
Adopt the preparation method of the liquid state silicon series charing antisepsis wood bamboo of technique scheme, the liquid state silicon series charing antisepsis bamboo of producing, form one deck super-hydrophobic silica and carborundum films material, by diameter is mixing the microballoon of forming by carborundum and silica and forming of 1-4 μ m, pore diameter 10nm-10 μ m, the contact angle of film and water between 150-170 °, water droplet in the roll angle of material surface less than 10 °.
Embodiment 2:
The preparation method of liquid state silicon series charing antisepsis wood bamboo comprises the steps:
(1), bamboo chip is put into pressure pan;
(2), the silicon that takes by weighing arbitrary proportion is mixture, joins in the pressure pan until flooding bamboo chip, then pressure in the pressure pan is raised to 100MPa, and keeps 1 hour, the temperature when impregnating is 50 ℃; Unload then and be pressed onto 0.3Mpa, opening the silicon that valve will remain arbitrary proportion is that mixture is discharged pressure pan, after arrange, can take out bamboo chip, and obtaining silicon is to impregnate bamboo;
(3), bamboo is impregnated in silicon system and put into retort, and seal retort, be pressed into nitrogen, the helium inert gas, be warmed up to 600 ℃ rapidly, keep 120min, slow then below 80 ℃ of cooling, take out bamboo wood, the bamboo wood surface forms super-hydrophobic carborundum and silica membrane, promptly obtains the liquid state silicon series charing antisepsis bamboo.
Adopt the preparation method of the liquid state silicon series charing antisepsis wood bamboo of technique scheme, the liquid state silicon series charing antisepsis bamboo of producing, form one deck super-hydrophobic silica and carborundum films material, by diameter is mixing the microballoon of forming by carborundum and silica and forming of 1-4 μ m, pore diameter 10nm-10 μ m, the contact angle of film and water between 150-170 °, water droplet in the roll angle of material surface less than 10 °.
Embodiment 3:
The preparation method of liquid state silicon series charing antisepsis wood bamboo comprises the steps:
(1), bamboo fibre is put into pressure pan;
(2), take by weighing a certain amount of silicone oil, join in the pressure pan until flooding bamboo fibre, then pressure in the pressure pan is raised to 5MPa, and kept 24 hours, the temperature when impregnating is 50 ℃; Unload then and be pressed onto 1Mpa, open valve remaining silicone oil is discharged pressure pan, after having arranged, can take out bamboo fibre, obtain silicon system and impregnate bamboo;
(3), bamboo is impregnated in silicon system and put into retort, and seal retort, be pressed into the helium inert gas, be warmed up to 200 ℃ rapidly, keep 180min, slow then below 80 ℃ of cooling, take out bamboo wood, the bamboo wood surface forms super-hydrophobic carborundum and silica membrane, promptly obtains the liquid state silicon series charing antisepsis bamboo.
Adopt the preparation method of the liquid state silicon series charing antisepsis wood bamboo of technique scheme, the liquid state silicon series charing antisepsis bamboo of producing, form one deck super-hydrophobic silica and carborundum films material, by diameter is mixing the microballoon of forming by carborundum and silica and forming of 1-4 μ m, pore diameter 10nm-10 μ m, the contact angle of film and water between 150-170 °, water droplet in the roll angle of material surface less than 10 °.
Embodiment 4:
The preparation method of liquid state silicon series charing antisepsis wood bamboo comprises the steps:
(1), bamboo matter wood shavings is put into pressure pan;
(2), take by weighing a certain amount of silicone oil, join in the pressure pan until flooding bamboo matter wood shavings, then pressure in the pressure pan is raised to 40MPa, and kept 18 hours, the temperature when impregnating is 10 ℃; Unload then and be pressed onto 1Mpa, open valve remaining silicone oil is discharged pressure pan, after having arranged, can take out bamboo matter wood shavings, obtain silicon system and impregnate bamboo;
(3), bamboo is impregnated in silicon system and put into retort, and seal retort, be pressed into carbon dioxide, nitrogen and helium be arbitrarily than mixed inert gas, be warmed up to 750 ℃ rapidly, keep 100min, slow then below 80 ℃ of cooling, take out bamboo matter wood shavings, bamboo matter wood shavings surface forms super-hydrophobic carborundum and silica membrane, promptly obtains the liquid state silicon series charing antisepsis bamboo.
Adopt the preparation method of the liquid state silicon series charing antisepsis wood bamboo of technique scheme, the liquid state silicon series charing antisepsis bamboo of producing, form one deck super-hydrophobic silica and carborundum films material, by diameter is mixing the microballoon of forming by carborundum and silica and forming of 1-4 μ m, pore diameter 10nm-10 μ m, the contact angle of film and water between 150-170 °, water droplet in the roll angle of material surface less than 10 °.
Embodiment 5:
The preparation method of liquid state silicon series charing antisepsis wood bamboo comprises the steps:
(1), log is put into pressure pan;
(2), take by weighing a certain amount of silicone oil, join in the pressure pan until flooding log, then pressure in the pressure pan is raised to 80MPa, and kept 20 hours, the temperature when impregnating is 70 ℃; Unload then and be pressed onto 0.7Mpa, open valve remaining silicone oil is discharged pressure pan, after having arranged, can take out log, obtain silicon system and impregnate wood;
(3), wood is impregnated in silicon system and put into retort, and seal retort, be pressed into the carbon dioxide inert gas, be warmed up to 800 ℃ rapidly, keep 10min, slow then below 80 ℃ of cooling, take out timber, wood surface forms super-hydrophobic carborundum and silica membrane, promptly obtains liquid state silicon series charing antisepsis wood.
Adopt the preparation method of the liquid state silicon series charing antisepsis wood bamboo of technique scheme, the liquid state silicon series charing antisepsis wood of producing, form one deck super-hydrophobic silica and carborundum films material, by diameter is mixing the microballoon of forming by carborundum and silica and forming of 1-4 μ m, pore diameter 10nm-10 μ m, the contact angle of film and water between 150-170 °, water droplet in the roll angle of material surface less than 10 °.
Embodiment 6:
The preparation method of liquid state silicon series charing antisepsis wood bamboo comprises the steps:
(1), wood chip is put into pressure pan;
(2), the silicon that takes by weighing arbitrary proportion is mixture, joins in the pressure pan until flooding wood chip, then pressure in the pressure pan is raised to 100MPa, and keeps 1 hour, the temperature when impregnating is 50 ℃; Unload then and be pressed onto 0.3Mpa, opening the silicon that valve will remain arbitrary proportion is that mixture is discharged pressure pan, after arrange, can take out wood chip, and obtaining silicon is to impregnate wood;
(3), wood is impregnated in silicon system and put into retort, and seal retort, be pressed into nitrogen, the helium inert gas, be warmed up to 600 ℃ rapidly, keep 120min, slow then below 80 ℃ of cooling, take out timber, wood surface forms super-hydrophobic carborundum and silica membrane, promptly obtains liquid state silicon series charing antisepsis wood.
Adopt the preparation method of the liquid state silicon series charing antisepsis wood bamboo of technique scheme, the liquid state silicon series charing antisepsis wood of producing, form one deck super-hydrophobic silica and carborundum films material, by diameter is mixing the microballoon of forming by carborundum and silica and forming of 1-4 μ m, pore diameter 10nm-10 μ m, the contact angle of film and water between 150-170 °, water droplet in the roll angle of material surface less than 10 °.
Embodiment 7:
The preparation method of liquid state silicon series charing antisepsis wood bamboo comprises the steps:
(1), wood-fibred is put into pressure pan;
(2), take by weighing a certain amount of silicone oil, join in the pressure pan until flooding wood-fibred, then pressure in the pressure pan is raised to 5MPa, and kept 24 hours, the temperature when impregnating is 50 ℃; Unload then and be pressed onto 1Mpa, open valve remaining silicone oil is discharged pressure pan, after having arranged, can take out wood-fibred, obtain silicon system and impregnate wood;
(3), wood is impregnated in silicon system and put into retort, and seal retort, be pressed into the helium inert gas, be warmed up to 200 ℃ rapidly, keep 180min, slow then below 80 ℃ of cooling, take out timber, wood surface forms super-hydrophobic carborundum and silica membrane, promptly obtains liquid state silicon series charing antisepsis wood.
Adopt the preparation method of the liquid state silicon series charing antisepsis wood bamboo of technique scheme, the liquid state silicon series charing antisepsis wood of producing, form one deck super-hydrophobic silica and carborundum films material, by diameter is mixing the microballoon of forming by carborundum and silica and forming of 1-4 μ m, pore diameter 10nm-10 μ m, the contact angle of film and water between 150-170 °, water droplet in the roll angle of material surface less than 10 °.
Embodiment 8:
The preparation method of liquid state silicon series charing antisepsis wood bamboo comprises the steps:
(1), wood particle is put into pressure pan;
(2), take by weighing a certain amount of silicone oil, join in the pressure pan until flooding wood particle, then pressure in the pressure pan is raised to 40MPa, and kept 18 hours, the temperature when impregnating is 10 ℃; Unload then and be pressed onto 1Mpa, open valve remaining silicone oil is discharged pressure pan, after having arranged, can take out wood particle, obtain silicon system and impregnate wood;
(3), wood is impregnated in silicon system and put into retort, and seal retort, be pressed into carbon dioxide, nitrogen and helium be arbitrarily than mixed inert gas, be warmed up to 750 ℃ rapidly, keep 100min, slow then below 80 ℃ of cooling, take out wood particle, the wood particle surface forms super-hydrophobic carborundum and silica membrane, promptly obtains liquid state silicon series charing antisepsis wood.
Adopt the preparation method of the liquid state silicon series charing antisepsis wood bamboo of technique scheme, the liquid state silicon series charing antisepsis wood of producing, form one deck super-hydrophobic silica and carborundum films material, by diameter is mixing the microballoon of forming by carborundum and silica and forming of 1-4 μ m, pore diameter 10nm-10 μ m, the contact angle of film and water between 150-170 °, water droplet in the roll angle of material surface less than 10 °.
Claims (1)
1. the preparation method of a liquid state silicon series charing antisepsis wood bamboo, it is characterized in that: preparation process comprises:
(1), pending material is put into pressure pan; Wherein pending material is former bamboo, bamboo chip, bamboo fibre, bamboo matter wood shavings, log, wood chip, wood-fibred or wood particle;
(2), take by weighing a certain amount of liquid state silicon series compound, join in the pressure pan until flooding pending material, then pressure in the pressure pan is raised to 5-100MPa, and kept 1-24 hour, the temperature when impregnating is 10-70 ℃; Unload then and be pressed onto 1-0.3MPa, take out and handle material, obtain silicon system and impregnate material; Wherein the liquid state silicon series compound is meant silicone oil;
(3), material is impregnated in silicon system and put into retort, and seal retort, be pressed into inert gas, be warmed up to 200 ℃-800 ℃ rapidly, keep 10-180min, slow then below 80 ℃ of cooling take out and handle material, handle material surface super-hydrophobic carborundum of formation and silica membrane, promptly obtain liquid state silicon series charing antisepsis wood bamboo, wherein inert gas is meant helium.
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| CN2008100306878A CN101234497B (en) | 2008-02-27 | 2008-02-27 | Method for preparing liquid state silicon series charing antisepsis wood bamboo |
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| CN103144174B (en) * | 2013-03-13 | 2014-10-29 | 浙江上臣地板有限公司 | Production technology of carbon crystal geothermal floor |
| CN104626320B (en) * | 2015-02-11 | 2017-07-04 | 饶显生 | The production technology of environmental protection bamboo-producing electric appliance casing |
| CN106272773B (en) * | 2016-08-04 | 2017-12-15 | 北京林业大学 | A kind of super-hydrophobic timber and preparation method thereof |
| CN106319466A (en) * | 2016-10-12 | 2017-01-11 | 东北林业大学 | Bionic preparation method for high-adhesion super-hydrophobic surface on bamboo surface |
| CN106985236A (en) * | 2017-04-21 | 2017-07-28 | 临沂优优木业股份有限公司 | A kind of method for making nanometer wood skin |
| CN109159232A (en) * | 2018-10-24 | 2019-01-08 | 苏州昆仑绿建木结构科技股份有限公司 | A kind of heat modification treatment process of bamboo or timber |
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