CN104387107A - Epoxy resin reinforced wood ceramic and preparation method thereof - Google Patents
Epoxy resin reinforced wood ceramic and preparation method thereof Download PDFInfo
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- CN104387107A CN104387107A CN201410647699.0A CN201410647699A CN104387107A CN 104387107 A CN104387107 A CN 104387107A CN 201410647699 A CN201410647699 A CN 201410647699A CN 104387107 A CN104387107 A CN 104387107A
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Abstract
The invention provides epoxy resin reinforced wood ceramic and a preparation method thereof. The wood ceramic is prepared from the following raw materials in parts by weight: 10-50 parts of wood flour, 5-100 parts of epoxy resin and a certain quantity of curing agent, wherein 15-30 parts of curing agent is added in every 100 parts of epoxy resin. The preparation method comprises the following simple steps of raw material mixing and stirring, molding, drying, low-temperature sintering and the like. The epoxy resin reinforced wood ceramic is simple in formula, simple and convenient in process, available in raw materials, low in cost and very suitable for large-scale industrial production and can be prepared into various shapes according to the demands of users. The wood ceramic prepared by using the method is high in specific strength and capable of making a clear sound when hitting against the ground and has the luster similar to that of metal; and the mass loss of the sintered wood ceramic is high and can be up to 12% of that of the unsintered wood ceramic.
Description
Technical field
The present invention relates to wooden stupalith preparation method, belong to field of material preparation, more specifically, relate to a kind of novel " environmentally conscious materials ".So-called environmentally conscious materials refers to that those and ecotope are coordinated compatible, or by environment degradable, or can have the material of certain purification and repairing effect to environment.
Background technology
Material is the basis of human society Existence and development, the continuous appearance of novel material and application are one of important symbols of human civilization progress, along with the progress of society, expanding economy and growth in the living standard, the mankind more and more pay close attention to resource, the problem such as environment and the eubiosis of the earth.Wood pottery produces just in such a case, and it is the obtained novel material of a kind of efficiency utilization timber " three surplus thing ", can promote the utilization ratio of timber, be beneficial to environment protection, cause scientific research personnel in recent years and more and more pay attention to.Wood pottery is proposed by quick great the equaling in Japanese scholars Gang portion at first for 1990, according to its raw material sources, American scholar calls ecological ceramic it again, and waste paper, culled wood, useless bamboo wood, shell, bagasse, rice husk etc. all can be used as its raw material, and processing byproduct can be used for soil improvement.The ceramic specific tenacity of wood is high, there is excellent characteristic in mechanics, calorifics, electromagnetism and tribology etc., electrode, heating element, carbon brush for electric machine, brake lining, corrosion resistant material, thermal insulation material, filtering material etc. can be widely used as after processing, be the ideal substitute of some non-renewable material of 21 century, have broad application prospects.
The method related in the present invention, the network-like structure formed after mainly utilizing epoxy resin cure is as skeleton, make up the defect of undercapacity after wood materials pyrolysis, after wood materials is carbonized, not only there is some strength (resin matrix), also have flourishing pore texture (wood materials charing), become a kind of and have necessarily structural functional materials, this material can be used as indoor hardware fitting, as as top ceiling, soundproof wall etc., there is absorption, sound absorption function.
Summary of the invention
The present invention relates to a kind of epoxy resin reinforced wood ceramic and preparation method thereof, preparation method is simple, solve formula in prior art complicated, operation is loaded down with trivial details, the shortcomings such as product performance are not high, direct and the wood powder mixing moulding by resin, finished product can be obtained again through low-temperature sintering, formula is simple, simple process, different shape can be made by user's requirement, raw material is easy to get, with low cost, be well suited for large-scale industrial production, wood pottery specific tenacity prepared by the method is high, make impact with the ground and can send clear and melodious sound, there is the gloss of metalloid, after sintering, mass loss is large, 12% of the front quality of sintering can be reached.
Embodiment
The epoxy resin reinforced wood ceramic that this invention relates to is prepared from by wood powder, epoxy resin, solidifying agent, according to mass fraction: add 15-30 part in wood powder 10-50 part, epoxy resin 5-100 part, the every 100 parts of epoxy resin of hardener dose, solidifying agent used is polyether monoamine.
Concrete preparation process is:
(1) wood powder is dried to water ratio <25%, after pulverizing grinding, passes through 200 order dusting covers;
(2) solidifying agent is mixed with 5-100 part epoxy resin, stir, obtain mixture;
(3) added by mixture in 10-50 part wood powder, mixing and stirring, obtains batch mixing;
(4) batch mixing is shaping, obtain work in-process base substrate;
(5) work in-process base substrate is put into the 40-80 DEG C of dry 36h of baking oven, obtain pre-burning base substrate;
(6) by pre-burning base substrate vacuum or nitrogen atmosphere sintering at 700-1000 DEG C, epoxy resin reinforced wood ceramic can be obtained.
In described step (4), forming method can adopt stiff-mud process or compression moulding; In described step (6), sintering schedule is: temperature rise rate 2-10 DEG C/min, 300-400 DEG C insulation 1h, 700-1000 DEG C insulation 1-4h.
Below in conjunction with specific embodiment, content of the present invention is specifically described, but the present invention is not limited only to this;
Embodiment 1:
Wood powder, epoxy resin and solidifying agent is utilized to prepare epoxy resin reinforced wood ceramic for raw material.Its composition of raw materials is as follows: 400 order wood powder 10g, epoxy resin 10g, D-230 polyetheramine solidifying agent 2g.
Preparation process:
(1) 400 order wood powders are dried to water ratio <25%, after pulverizing grinding, pass through 200 order dusting covers;
(2) D-230 polyetheramine solidifying agent 2g is mixed with epoxy resin 10g, stir, obtain mixture;
(3) added by mixture in 10g wood powder, mixing and stirring, obtains batch mixing;
(4) by batch mixing compression moulding, work in-process base substrate is obtained;
(5) work in-process base substrate is put into the 40-80 DEG C of dry 36h of baking oven, obtain pre-burning base substrate;
(6) be 30Pa by pre-burning base substrate in vacuum tightness, sintering schedule is: temperature rise rate 2 DEG C/min, and 300 DEG C of insulation 1h, sinter under being incubated 4h condition, can obtain epoxy resin reinforced wood ceramic at 700 DEG C.
Embodiment 2:
Wood powder, epoxy resin and solidifying agent is utilized to prepare epoxy resin reinforced wood ceramic for raw material.Its composition of raw materials is as follows: 800 order wood powder 15g, epoxy resin 30g, D-250 polyetheramine solidifying agent 7.5g.
Preparation process:
(1) 800 order wood powders are dried to water ratio <25%, after pulverizing grinding, pass through 200 order dusting covers;
(2) D-250 polyetheramine solidifying agent 7.5g is mixed with epoxy resin 30g, stir, obtain mixture;
(3) added by mixture in 15g wood powder, mixing and stirring, obtains batch mixing;
(4) by batch mixing injection moulding, work in-process base substrate is obtained;
(5) work in-process base substrate is put into the 40-80 DEG C of dry 36h of baking oven, obtain pre-burning base substrate;
(6) be 50mL/min by pre-burning base substrate at nitrogen rate, sintering schedule is: temperature rise rate 10 DEG C/min, and 400 DEG C of insulation 1h, sinter under being incubated 1h condition, can obtain epoxy resin reinforced wood ceramic at 1000 DEG C.
Claims (6)
1. an epoxy resin reinforced wood ceramic, is characterized in that, described epoxy resin reinforced wood ceramic is prepared from by wood powder, epoxy resin, solidifying agent.
2. epoxy resin reinforced wood ceramic according to claim 1, it is characterized in that, described epoxy resin reinforced wood ceramic is made up of the raw material of following weight parts: wood powder 10-50 part, epoxy resin 5-100 part, hardener dose are add 15-30 part in every 100 parts of epoxy resin.
3. epoxy resin reinforced wood ceramic according to claim 1 or 2, is characterized in that, described solidifying agent is polyetheramine.
4. a preparation method for epoxy resin reinforced wood ceramic as claimed in claim 1 or 2, is characterized in that, the step of described method is:
(1) wood powder is dried to water ratio <25%, after pulverizing grinding, passes through 200 order dusting covers;
(2) solidifying agent is mixed with 5-100 part epoxy resin, stir, obtain mixture;
(3) added by mixture in 10-50 part wood powder, mixing and stirring, obtains batch mixing;
(4) batch mixing is shaping, obtain work in-process base substrate;
(5) work in-process base substrate is put into the 40-80 DEG C of dry 36h of baking oven, obtain pre-burning base substrate;
(6) by pre-burning base substrate vacuum or nitrogen atmosphere sintering at 700-1000 DEG C, epoxy resin reinforced wood ceramic can be obtained.
5. the preparation method of epoxy resin reinforced wood ceramic according to claim 4, is characterized in that, in described step (4), forming method can adopt stiff-mud process or compression moulding.
6. the preparation method of epoxy resin reinforced wood ceramic according to claim 4, is characterized in that, in described step (6), sintering schedule is: temperature rise rate 2-10 DEG C/min, 300-400 DEG C insulation 1h, 700-1000 DEG C insulation 1-4h.
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CN201410647699.0A CN104387107A (en) | 2014-11-14 | 2014-11-14 | Epoxy resin reinforced wood ceramic and preparation method thereof |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105330292A (en) * | 2015-10-21 | 2016-02-17 | 苏州东邦家具有限公司 | Preparation method of wood ceramic used for furniture making |
CN107056250A (en) * | 2017-05-31 | 2017-08-18 | 合肥创沃科技有限公司 | A kind of preparation method for the wood ceramics material that attapulgite is combined with stalk |
CN107778020A (en) * | 2017-11-21 | 2018-03-09 | 北京林业大学 | A kind of method of carbon fiber-reinforced epoxy resin-matrix industry alkali lignin wood ceramics |
CN107903062A (en) * | 2017-11-21 | 2018-04-13 | 北京林业大学 | A kind of method for preparing wood ceramics using epoxy resin and industrial alkali lignin |
CN109265169A (en) * | 2018-09-14 | 2019-01-25 | 广东华科新材料研究院有限公司 | A kind of wood ceramic material and preparation method |
CN109354498A (en) * | 2018-09-14 | 2019-02-19 | 广东华科新材料研究院有限公司 | A kind of wood ceramic-metal composites and preparation method thereof |
CN116041087A (en) * | 2023-01-31 | 2023-05-02 | 深圳市赛尔美电子科技有限公司 | Porous carbon atomization matrix, preparation method, electronic atomization core and electronic atomization device |
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CN1970260A (en) * | 2005-11-24 | 2007-05-30 | 东北林业大学 | Manufacture method of reinforced wood ceramic |
CN102224208A (en) * | 2008-11-26 | 2011-10-19 | 迈图特种化工有限公司 | Coated reinforcement and method for producing same |
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CN1970260A (en) * | 2005-11-24 | 2007-05-30 | 东北林业大学 | Manufacture method of reinforced wood ceramic |
CN102224208A (en) * | 2008-11-26 | 2011-10-19 | 迈图特种化工有限公司 | Coated reinforcement and method for producing same |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105330292A (en) * | 2015-10-21 | 2016-02-17 | 苏州东邦家具有限公司 | Preparation method of wood ceramic used for furniture making |
CN107056250A (en) * | 2017-05-31 | 2017-08-18 | 合肥创沃科技有限公司 | A kind of preparation method for the wood ceramics material that attapulgite is combined with stalk |
CN107778020A (en) * | 2017-11-21 | 2018-03-09 | 北京林业大学 | A kind of method of carbon fiber-reinforced epoxy resin-matrix industry alkali lignin wood ceramics |
CN107903062A (en) * | 2017-11-21 | 2018-04-13 | 北京林业大学 | A kind of method for preparing wood ceramics using epoxy resin and industrial alkali lignin |
CN109265169A (en) * | 2018-09-14 | 2019-01-25 | 广东华科新材料研究院有限公司 | A kind of wood ceramic material and preparation method |
CN109354498A (en) * | 2018-09-14 | 2019-02-19 | 广东华科新材料研究院有限公司 | A kind of wood ceramic-metal composites and preparation method thereof |
CN109354498B (en) * | 2018-09-14 | 2021-10-26 | 广东华科新材料研究院有限公司 | Wood ceramic metal composite material and preparation method thereof |
CN116041087A (en) * | 2023-01-31 | 2023-05-02 | 深圳市赛尔美电子科技有限公司 | Porous carbon atomization matrix, preparation method, electronic atomization core and electronic atomization device |
CN116041087B (en) * | 2023-01-31 | 2024-05-14 | 深圳市赛尔美电子科技有限公司 | Porous carbon atomization matrix, preparation method, electronic atomization core and electronic atomization device |
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Application publication date: 20150304 |