CN106365619B - A kind of wood plastic composite auxiliary agent and preparation method thereof - Google Patents

A kind of wood plastic composite auxiliary agent and preparation method thereof Download PDF

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CN106365619B
CN106365619B CN201610752283.4A CN201610752283A CN106365619B CN 106365619 B CN106365619 B CN 106365619B CN 201610752283 A CN201610752283 A CN 201610752283A CN 106365619 B CN106365619 B CN 106365619B
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aluminium
zirconium oxide
powder
aluminium nitride
air atmospheres
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CN106365619A (en
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严秀芹
陆绍荣
曾岑
罗崇禧
谢超
卢李勤
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Shantou Hualong science and Technology Co.,Ltd.
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GUILIN SHUKANG BUILDING MATERIAL CO Ltd
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Abstract

The invention discloses a kind of novel wood-plastic composite material auxiliary agents and preparation method thereof, wherein aluminium oxide-aluminium nitride that the auxiliary agent is made of aluminium oxide thermal conductive ceramic, aluminium nitride and zirconium oxide thermal conductive ceramic-zirconium oxide composite heat-conducting ceramics.The preparation method mainly has ball milling, calcining, again ball milling, granulation, sintering and crushing.By adding aluminium oxide-aluminium nitride prepared by the present invention-zirconium oxide composite heat-conducting ceramics, it can not only make wood plastic composite that there is good mechanical property, while also there is low water absorption rate, to make its application field more extensively and the service life is longer.In addition, aluminium oxide-aluminium nitride-zirconium oxide composite heat-conducting ceramics have certain air hole structure, pernicious gas can be adsorbed, air is purified, is good for the environment.

Description

A kind of wood plastic composite auxiliary agent and preparation method thereof
Technical field
The present invention relates to a kind of novel wood-plastic composite material auxiliary agents and preparation method thereof, belong to technical field of composite materials.
Background technique
Wood plastic composite (Wood-Plastic Composites, WPC) is using thermoplastic as matrix, with warp Pretreated plant powder or wood-fibred are crossed as filler or reinforcement, is carried out by a certain percentage with various auxiliary agents needed for addition Mixing, a kind of composite material being prepared by extrusion, lamination, molding or the mode of injection molding.It is with preferable springform The performances such as amount, resistance to compression, counter-bending, durable, while also there are raw material resources, cost economization, product plasticization, use environmental protection The features such as changing with reclaiming.Therefore, wood plastic composite is suffered from many fields and is widely applied.
Currently, the research in relation to wood plastic composite is to improve interface compatibility emphatically and improves processing technology to obtain The more excellent material of mechanical property, processing performance, to meet the needs of various application fields.It is fast with wood plastic composite Speed development, people propose increasingly higher demands to wood plastic composite.Chinese patent notification number is CN102702602B public The patent of entitled " a kind of wood plastic composite " is opened, which mainly improves wood by addition metal powder The heat transfer property of plastic composite materials.Although it can obtain certain heat transfer property, mechanical property can't be satisfactory.Cause This, the mechanical property for continuing to explore with study wood plastic composite is necessary.
Summary of the invention
The present invention provides a kind of novel wood-plastic composite material auxiliary agent and preparation method thereof, solves existing wood plastic composite and deposits Poor mechanical property the problem of.
A kind of novel wood-plastic composite material auxiliary agent is thermally conductive by aluminium oxide thermal conductive ceramic, aluminium nitride thermal conductive ceramic and zirconium oxide Aluminium oxide-aluminium nitride of ceramics composition-zirconium oxide composite heat-conducting ceramics.
Aluminium oxide-the aluminium nitride-zirconium oxide composite heat-conducting ceramics are to be prepared according to the following steps to obtain:
1) aluminium oxide, aluminium nitride and zirconium oxide starting powder that purity is 99.9% or more are pressed to 1: 1: 0.7 weight ratio Ingredient, be added dehydrated alcohol, wet ball-milling mix 6~8h, after drying in 1150~1200 DEG C of air atmospheres pre-burning 4h；
2) in the powder made from step 1), be added dehydrated alcohol, rewetting formula 6~8h of ball milling mixing, after drying add 2~ 4% BaCu (B2O5), 1~3% La2O3, 1~3% Y2O3, 1~3% TiO2CuO mixing with 0.4~0.6% is equal It is even；
3) in the powder made from step 2), addition dosage accounts for 3% poly-vinyl alcohol solution of total powder quality, and is granulated Afterwards, re-compacted molding, wherein the mass concentration of poly-vinyl alcohol solution is 5%；
4) first in 550~600 DEG C of air atmospheres, 2~4h of dumping, then be warming up in 1200~1250 DEG C of air atmospheres and burn 4h is tied, last cooled to room temperature is ground into 60~120 mesh；
5) in the powder made from step 4), addition dosage accounts for 3% silver powder of total powder quality, re-compacted molding, juxtaposition 0.5~1h is sintered in 1100~1150 DEG C of air atmospheres, last cooled to room temperature is ground into 200~300 mesh Obtain aluminium oxide-aluminium nitride-zirconium oxide composite heat-conducting ceramics.
Preferably,
Aluminium oxide-the aluminium nitride-zirconium oxide composite heat-conducting ceramics are to be prepared according to the following steps to obtain:
1) aluminium oxide, aluminium nitride and zirconium oxide starting powder that purity is 99.9% or more are pressed to 1: 1: 0.7 weight ratio Ingredient, be added dehydrated alcohol, wet ball-milling mixing 7h, after drying in 1185 DEG C of air atmospheres pre-burning 4h；
2) in the powder made from step 1), dehydrated alcohol is added, rewetting formula ball milling mixing 7h adds 3% after drying BaCu(B2O5), 2% La2O3, 2% Y2O3, 2% TiO2CuO with 0.5% is uniformly mixed；
3) in the powder made from step 2), addition dosage accounts for 3% poly-vinyl alcohol solution of total powder quality, and is granulated Afterwards, re-compacted molding, wherein the mass concentration of poly-vinyl alcohol solution is 5%；
4) first in 600 DEG C of air atmospheres, dumping 3h, then be warming up in 1225 DEG C of air atmospheres and be sintered 4h, it is last natural It is cooled to room temperature, is ground into 120 mesh；
5) in the powder made from step 4), addition dosage accounts for 3% silver powder of total powder quality, re-compacted molding, juxtaposition 1h is sintered in 1125 DEG C of air atmospheres, last cooled to room temperature is ground into 300 mesh, and aluminium oxide-nitridation can be obtained Aluminium-zirconium oxide composite heat-conducting ceramics.
Compared with prior art, the beneficial effects of the present invention are:
The present invention is combined using aluminium oxide, aluminium nitride, zirconium oxide thermal conductive ceramic, overcomes lacking for single thermal conductive ceramic It falls into, improves the heat transfer property of material, the crystalline rate and crystallinity of wood plastic composite are improved, so as to improve wood plastic composite Mechanical property and water absorption rate, keep its application field more extensive.Simultaneously during the preparation process, sintering aid is added, ceramics is reduced and burns Junction temperature, to reduce the cost of auxiliary agent；Titanium dioxide, copper oxide and silver powder are added, the antibiotic property of wood plastic composite is improved Can, extend the service life of wood plastic composite.Furthermore aluminium oxide-aluminium nitride-zirconium oxide composite heat-conducting ceramics also act as the work of filling With improving the performances such as the tensile strength, bending strength, thermal stability of wood plastic composite.In addition, aluminium oxide-aluminium nitride-oxygen Changing zirconium composite heat-conducting ceramics has certain air hole structure, can adsorb pernicious gas, purifies air, is good for the environment.
Specific embodiment
The present invention provides a kind of novel wood-plastic composite material auxiliary agent and preparation method thereof, to make the purpose of the present invention, technology Scheme and effect are clearer, clear, and the present invention is described in more detail below.
A kind of novel wood-plastic composite material auxiliary agent is thermally conductive by aluminium oxide thermal conductive ceramic, aluminium nitride thermal conductive ceramic and zirconium oxide Aluminium oxide-aluminium nitride of ceramics composition-zirconium oxide composite heat-conducting ceramics；
Aluminium oxide-the aluminium nitride-zirconium oxide composite heat-conducting ceramics are to be prepared according to the following steps to obtain:
1) aluminium oxide, aluminium nitride and zirconium oxide starting powder that purity is 99.9% or more are pressed to 1: 1: 0.7 weight ratio Ingredient, be added dehydrated alcohol, wet ball-milling mix 6~8h, after drying in 1150~1200 DEG C of air atmospheres pre-burning 4h；
2) in the powder made from step 1), be added dehydrated alcohol, rewetting formula 6~8h of ball milling mixing, after drying add 2~ 4% BaCu (B2O5), 1~3% La2O3, 1~3% Y2O3, 1~3% TiO2CuO mixing with 0.4~0.6% is equal It is even；
3) in the powder made from step 2), addition dosage accounts for 3% poly-vinyl alcohol solution of total powder quality, and is granulated Afterwards, re-compacted molding, wherein the mass concentration of poly-vinyl alcohol solution is 5%；
4) first in 550~600 DEG C of air atmospheres, 2~4h of dumping, then be warming up in 1200~1250 DEG C of air atmospheres and burn 4h is tied, last cooled to room temperature is ground into 60~120 mesh；
5) in the powder made from step 4), addition dosage accounts for 3% silver powder of total powder quality, re-compacted molding, juxtaposition 0.5~1h is sintered in 1100~1150 DEG C of air atmospheres, last cooled to room temperature is ground into 200~300 mesh Obtain aluminium oxide-aluminium nitride-zirconium oxide composite heat-conducting ceramics.
Embodiment 1
A kind of novel wood-plastic composite material auxiliary agent is thermally conductive by aluminium oxide thermal conductive ceramic, aluminium nitride thermal conductive ceramic and zirconium oxide Aluminium oxide-aluminium nitride of ceramics composition-zirconium oxide composite heat-conducting ceramics；
Aluminium oxide-the aluminium nitride-zirconium oxide composite heat-conducting ceramics are to be prepared according to the following steps to obtain:
1) aluminium oxide, aluminium nitride and zirconium oxide starting powder that purity is 99.9% or more are pressed to 1: 1: 0.7 weight ratio Ingredient, be added dehydrated alcohol, wet ball-milling mixing 7h, after drying in 1185 DEG C of air atmospheres pre-burning 4h；
2) in the powder made from step 1), dehydrated alcohol is added, rewetting formula ball milling mixing 7h adds 3% after drying BaCu(B2O5), 2% La2O3, 2% Y2O3, 2% TiO2CuO with 0.5% is uniformly mixed；
3) in the powder made from step 2), addition dosage accounts for 3% poly-vinyl alcohol solution of total powder quality, and is granulated Afterwards, re-compacted molding, wherein the mass concentration of poly-vinyl alcohol solution is 5%；
4) first in 600 DEG C of air atmospheres, dumping 3h, then be warming up in 1225 DEG C of air atmospheres and be sintered 4h, it is last natural It is cooled to room temperature, is ground into 120 mesh；
5) in the powder made from step 4), addition dosage accounts for 3% silver powder of total powder quality, re-compacted molding, juxtaposition 1h is sintered in 1125 DEG C of air atmospheres, last cooled to room temperature is ground into 300 mesh, and aluminium oxide-nitridation can be obtained Aluminium-zirconium oxide composite heat-conducting ceramics.
Embodiment 2
A kind of novel wood-plastic composite material auxiliary agent is thermally conductive by aluminium oxide thermal conductive ceramic, aluminium nitride thermal conductive ceramic and zirconium oxide Aluminium oxide-aluminium nitride of ceramics composition-zirconium oxide composite heat-conducting ceramics；
Aluminium oxide-the aluminium nitride-zirconium oxide composite heat-conducting ceramics are to be prepared according to the following steps to obtain:
1) aluminium oxide, aluminium nitride and zirconium oxide starting powder that purity is 99.9% or more are pressed to 1: 1: 0.7 weight ratio Ingredient, be added dehydrated alcohol, wet ball-milling mixing 6h, after drying in 1150 DEG C of air atmospheres pre-burning 4h；
2) in the powder made from step 1), dehydrated alcohol is added, rewetting formula ball milling mixing 6h adds 2% after drying BaCu(B2O5), 1% La2O3, 1% Y2O3, 1% TiO2CuO with 0.4% is uniformly mixed；
3) in the powder made from step 2), addition dosage accounts for 3% poly-vinyl alcohol solution of total powder quality, and is granulated Afterwards, re-compacted molding, wherein the mass concentration of poly-vinyl alcohol solution is 5%；
4) first in 550 DEG C of air atmospheres, dumping 2h, then be warming up in 1200 DEG C of air atmospheres and be sintered 4h, it is last natural It is cooled to room temperature, is ground into 60 mesh；
5) in the powder made from step 4), addition dosage accounts for 3% silver powder of total powder quality, re-compacted molding, juxtaposition 0.5h is sintered in 1100 DEG C of air atmospheres, last cooled to room temperature is ground into 200 mesh, and aluminium oxide-nitridation can be obtained Aluminium-zirconium oxide composite heat-conducting ceramics.
Embodiment 3
A kind of novel wood-plastic composite material auxiliary agent is thermally conductive by aluminium oxide thermal conductive ceramic, aluminium nitride thermal conductive ceramic and zirconium oxide Aluminium oxide-aluminium nitride of ceramics composition-zirconium oxide composite heat-conducting ceramics；
Aluminium oxide-the aluminium nitride-zirconium oxide composite heat-conducting ceramics are to be prepared according to the following steps to obtain:
1) aluminium oxide, aluminium nitride and zirconium oxide starting powder that purity is 99.9% or more are pressed to 1: 1: 0.7 weight ratio Ingredient, be added dehydrated alcohol, wet ball-milling mixing 8h, after drying in 1200 DEG C of air atmospheres pre-burning 4h；
2) in the powder made from step 1), dehydrated alcohol is added, rewetting formula ball milling mixing 8h adds 4% after drying BaCu(B2O5), 3% La2O3, 3% Y2O3, 3% TiO2CuO with 0.6% is uniformly mixed；
3) in the powder made from step 2), addition dosage accounts for 3% poly-vinyl alcohol solution of total powder quality, and is granulated Afterwards, re-compacted molding, wherein the mass concentration of poly-vinyl alcohol solution is 5%；
4) first in 600 DEG C of air atmospheres, dumping 4h, then be warming up in 1250 DEG C of air atmospheres and be sintered 4h, it is last natural It is cooled to room temperature, is ground into 120 mesh；
5) in the powder made from step 4), addition dosage accounts for 3% silver powder of total powder quality, re-compacted molding, juxtaposition 1h is sintered in 1150 DEG C of air atmospheres, last cooled to room temperature is ground into 300 mesh, and aluminium oxide-nitridation can be obtained Aluminium-zirconium oxide composite heat-conducting ceramics.
Auxiliary agent made from above-described embodiment 1-3 is replaced into background technique (CN102702602B) metal powder, other compositions Constant, the wood plastic composite that the wood plastic composite and background technique metal powder being prepared are prepared is using existing skill Art is tested, and test result is as follows shown in table 1:
1 wood-plastic composite performance test result of table
As can be seen that addition aluminium oxide-aluminium nitride-zirconium oxide composite heat-conducting ceramics wood plastic composite is opposite to add gold For the wood plastic composite for belonging to powder, has the advantages that mechanical property is good and water absorption rate is low etc., be a kind of rising wood Plastic composite materials auxiliary agent.
Certainly, above it is that the preferred embodiments of the disclosure is described in detail, the present invention is not limited with this Practical range, equivalence changes made by all principles under this invention, construction and structure should all be covered by protection of the invention In range.

Claims (2)

1. a kind of wood plastic composite auxiliary agent, it is characterised in that: the auxiliary agent is thermally conductive by aluminium oxide thermal conductive ceramic, aluminium nitride Aluminium oxide-aluminium nitride of ceramics and zirconium oxide thermal conductive ceramic composition-zirconium oxide composite heat-conducting ceramics；
Aluminium oxide-the aluminium nitride-zirconium oxide composite heat-conducting ceramics are to be prepared according to the following steps to obtain:
1) aluminium oxide, aluminium nitride and zirconium oxide starting powder that purity is 99.9% or more are pressed to 1: 1: 0.7 weight ratio ingredient, Be added dehydrated alcohol, wet ball-milling mix 6~8 h, after drying in 1150~1200 DEG C of air atmospheres 4 h of pre-burning；
2) in the powder made from step 1), dehydrated alcohol is added, rewetting formula 6~8h of ball milling mixing adds 2~4% after drying BaCu(B2O5), 1~3% La2O3, 1~3% Y2O3, 1~3% TiO2CuO with 0.4~0.6% is uniformly mixed；
3) in the powder made from step 2, addition dosage accounts for 3% poly-vinyl alcohol solution that total powder quality is made in step 2, and After granulation, re-compacted molding, wherein the mass concentration of poly-vinyl alcohol solution is 5%；
4) first in 550 ~ 600 DEG C of air atmospheres, 2~4h of dumping, then be warming up in 1200 ~ 1250 DEG C of air atmospheres and be sintered 4 h, Last cooled to room temperature is ground into 60~120 mesh；
5) in the powder made from step 4), addition dosage account for step 4) be made total powder quality 3% silver powder, re-compacted molding, It is placed in 0.5~1h of sintering, last cooled to room temperature in 1100 ~ 1150 DEG C of air atmospheres and is ground into 200~300 mesh, i.e., Aluminium oxide-aluminium nitride-zirconium oxide composite heat-conducting ceramics can be obtained.
2. wood plastic composite auxiliary agent according to claim 1, it is characterised in that:
Aluminium oxide-the aluminium nitride-zirconium oxide composite heat-conducting ceramics are to be prepared according to the following steps to obtain:
1) aluminium oxide, aluminium nitride and zirconium oxide starting powder that purity is 99.9% or more are pressed to 1: 1: 0.7 weight ratio ingredient, Be added dehydrated alcohol, wet ball-milling mix 7 h, after drying in 1185 DEG C of air atmospheres 4 h of pre-burning；
2) in the powder made from step 1), dehydrated alcohol is added, rewetting formula ball milling mixing 7h adds 3% BaCu after drying (B2O5), 2% La2O3, 2% Y2O3, 2% TiO2CuO with 0.5% is uniformly mixed；
3) in the powder made from step 2, addition dosage accounts for 3% poly-vinyl alcohol solution that total powder quality is made in step 2, and After granulation, re-compacted molding, wherein the mass concentration of poly-vinyl alcohol solution is 5%；
4) first in 600 DEG C of air atmospheres, dumping 3h, then be warming up in 1225 DEG C of air atmospheres and be sintered 4 h, last natural cooling To room temperature, it is ground into 120 mesh；
5) in the powder made from step 4), addition dosage account for step 4) be made total powder quality 3% silver powder, re-compacted molding, It is placed in 1125 DEG C of air atmospheres and is sintered 1h, last cooled to room temperature is ground into 300 mesh, and aluminium oxide-nitrogen can be obtained Change aluminium-zirconium oxide composite heat-conducting ceramics.
CN201610752283.4A 2016-08-29 2016-08-29 A kind of wood plastic composite auxiliary agent and preparation method thereof Active CN106365619B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106342081B (en) * 2007-11-26 2012-02-08 中国科学院上海硅酸盐研究所 A kind of method for preparing solid phase of aluminum oxynitride crystalline ceramics
CN106342080B (en) * 2007-11-26 2012-02-08 中国科学院上海硅酸盐研究所 A kind of carbon heat of aluminum oxynitride crystalline ceramics or aluminothermic reduction preparation method
CN105481345A (en) * 2015-12-16 2016-04-13 广东昭信照明科技有限公司 Low-temperature sintered ceramic material and preparing method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106342081B (en) * 2007-11-26 2012-02-08 中国科学院上海硅酸盐研究所 A kind of method for preparing solid phase of aluminum oxynitride crystalline ceramics
CN106342080B (en) * 2007-11-26 2012-02-08 中国科学院上海硅酸盐研究所 A kind of carbon heat of aluminum oxynitride crystalline ceramics or aluminothermic reduction preparation method
CN105481345A (en) * 2015-12-16 2016-04-13 广东昭信照明科技有限公司 Low-temperature sintered ceramic material and preparing method

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