CN105385180A - Heat-conducting wood composite material and preparation method thereof - Google Patents
Heat-conducting wood composite material and preparation method thereof Download PDFInfo
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- CN105385180A CN105385180A CN201510796172.9A CN201510796172A CN105385180A CN 105385180 A CN105385180 A CN 105385180A CN 201510796172 A CN201510796172 A CN 201510796172A CN 105385180 A CN105385180 A CN 105385180A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/04—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/30—Applications used for thermoforming
Abstract
The invention discloses a heat-conducting wood composite material prepared from the following raw materials in parts by weight: 80-100 parts of biomass fiber, 10-16 parts of an adhesive and 5-20 parts of micro-nano carbon powder, wherein the raw materials also comprise a coupling agent which accounts for 0-3.0% of the mass of the micro-nano carbon powder. The heat conductivity coefficient of the heat-conducting wood composite material provided by the invention is improved by about 6 times compared with that of a common wood composite material, and the heat-conducting wood composite material provided by the invention also has good mechanical properties at the same time and is a novel energy-saving and environment-friendly material.
Description
Technical field
The present invention relates to building material technical field, particularly a kind of heat conduction composite wooden material and preparation method thereof.
Background technology
China is that world's Forest products are produced, process, consumed and import and export big country, and the forestry gross output value keeps the rate of increase of average annual 24% for continuous 10 years.But, China's house fitting-up and product material utilization ratio low, scientific and technological content is not high, and added value is low, how to improve timber utilization rate and added value of product, solves the technical bottleneck in industry development, is the key subjects that solution is needed in the development of current wood working industry badly." National Program for Medium-to Long-term Scientific and Technological Development (2006 ~ the year two thousand twenty) " explicitly points out " compoundization of structure function to material develops by China's new material technology ", and " biomass-based novel material production gordian technique " first develops theme simultaneously.Therefore, carry out the Functionalization research of wood materials, develop wooden functionalization novel material, initiative high added value product innovation, the important measures solving the homogeneity of house ornamentation goods, devalued problem, be the important means improving timber utilization rate and added value of product, the great-leap-forward development realizing house ornamentation goods industry is significant.
Simultaneously, along with national energy-saving reduction of discharging, low-carbon environment-friendly theory propose and scientific technological advance, China has a very large change on supply hot water, increase gradually with the scope that low temperature hot water radiation and electric radiation are main heating system (hereinafter referred to as geothermal heating), replace original stove heating and heating installation heating gradually, stove heating and heating installation heating energy consumption is high, utilization ratio is low, it is large to take the interior space, environmental pollution is serious, and geothermal heating can solve the problem well, can predict, geothermal heating will have better development future.
At present, use maximum floors to be wood floors in China's geothermal heating room, wood floors are because the advantage of its uniqueness becomes human consumer's first-selection, and wood floors not only have certain intensity and hardness, walking feels comfortable, and wood floors also have the regulating effect of humiture.Just because of this, wood floors are accepted gradually, are widely used in interior decoration.But wood floors thermal conductivity is lower becomes its maximum shortcoming, and limits its Application Areas.Wood materials belongs to lagging material scope, and heat transfer efficiency is low, is used in the room of geothermal heating, can cause the waste of the energy.Therefore, it does not meet the demand for development in country " 12 " outline, Given this, new technology, new approach must be adopted to realize the target of wood materials to environment-friendly type, economical Materials, is intended to the heat conductivility improving wood floors.
Summary of the invention
The object of this invention is to provide a kind of heat conduction composite wooden material, obtained heat conduction composite wooden material heat conductivility is good, and thermal conductivity reaches about 5 times of common wood floors.
For achieving the above object, the present invention specifically adopts following technical scheme:
A kind of heat conduction composite wooden material, by weight, its raw material composition comprises 80 ~ 100 parts of biomass fibers, 10-16 part sizing agent, the micro-nano carbon dust of 5-20 part; Its raw material composition also comprises coupling agent, and coupling agent is 0 ~ 3.0% of micro-nano carbon opaque amount, and micro-nano carbon powder footpath is 300 order ~ 2500 orders.
Preferably, described heat conduction composite wooden material, its raw material composition comprises 85 ~ 100 parts of biomass fibers, 10-14 part sizing agent, the micro-nano carbon dust of 5-15 part, and coupling agent is 0.5% ~ 1.5% of micro-nano carbon opaque amount.
Further preferably, described heat conduction composite wooden material, its raw material composition comprise 85 parts of biomass fibers, 14 parts of sizing agents, 15 parts of micro-nano carbon dusts and 1% coupling agent.
Concrete, biomass fiber of the present invention, be green environment-friendly material, it contains the group with reactive behavior more, is easy to form matrix material; Preferably, described biomass fiber is the one in xylon, bamboo fibers, agricultural crop straw, shrub fiber, and more preferably, described xylon is aspen fibers by using silicon.
Preferably, micro-nano carbon dust is selected from the one in carbon nanotube, carbon fiber, Graphite Powder 99, carbon black, Graphene, and more preferably, micro-nano carbon dust is Graphite Powder 99.
Preferably, described micro-nano carbon dust is selected from the one (such as 300 orders, 500 orders, 700 orders, 2500 orders) in 300 order ~ 2500 orders, and more preferably, micro-nano carbon powder footpath is 2500 orders.
Graphite Powder 99 of the present invention is constitutionally stable inert inorganic material, corrosion-resistant, anti-oxidant, thermal expansivity is little, thermal conductivity and good conductivity.In addition, the axial modulus of carbon fiber is high, with material mixing, can the mechanical strength of reinforced composite, but cost is higher.
Preferably, described sizing agent is the one of urea-formaldehyde resin or Phenol aldehyde resin, and more preferably, described sizing agent is urea-formaldehyde resin adhesive.
Preferably, coupling agent is selected from the one in silane coupling agent or titanate coupling agent, and more preferably, coupling agent is titanate coupling agent.
As the preferred forms of heat conduction composite wooden material of the present invention, its raw material comprises 85 parts of aspen fibers by using silicon, 14 parts of urea-formaldehyde resin adhesives, 15 part of 2500 order Graphite Powder 99, and wherein the addition of titanate coupling agent is 1% of Graphite Powder 99 quality.Heat conduction composite wooden material in such cases has good mechanical property and thermal conduction characteristic.
The mechanical strength of heat conduction composite wooden material of the present invention reaches the requirement of national flooring material, and compared with traditional flooring material, its heat conductivility is good, and thermal conductivity reaches about 5 times of common wood floors.
Present invention also offers the preparation method of described heat conduction composite wooden material, described method specifically comprises the following steps:
1) micro-nano carbon dust is carried out coupling agent modified process and drying;
2) micro-nano for the drying after modification carbon dust and biomass fiber are thoroughly mixed to form matrix material;
3) sizing agent, then assembly are applied to matrix material;
4) Wood-based Panel Production technique is adopted namely to obtain heat conduction composite wooden material to slab hot pressing.
The Wood-based Panel Production technique adopted in the present invention is the customary preparation methods of sheet material in this area.
Preparation method provided by the invention has simple to operate, is suitable for the features such as suitability for industrialized production, and takes full advantage of biomass resource, and improves the heat transfer efficiency of ground heating floor, realizes the energy-saving and emission-reduction of geothermal heating system.
The present invention take wood fibre as main raw material, micro-nano carbon dust is thermally conductive material, carry out the preparation of heat conduction composite wooden material and its technique and performance are studied, starting the Application Areas that functional wood-based composites is new, the development of ground heating floor is had great importance.
Embodiment
Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
Embodiment 1
In the present embodiment, the raw material of heat conduction composite wooden material consists of: aspen fibers by using silicon 850g, urea-formaldehyde resin adhesive 140g, 2500 order Graphite Powder 99 150g, titanate coupling agent 1.5g.
Its preparation method is:
1) 2500 order Graphite Powder 99s are carried out titanate coupling agent modified process and drying;
2) the dry Graphite Powder 99 after modification and aspen fibers by using silicon are thoroughly mixed to form matrix material;
3) urea-formaldehyde resin adhesive, then assembly are applied to matrix material;
4) Wood-based Panel Production technique is adopted namely to obtain heat conduction composite wooden material to slab hot pressing.
Embodiment 2
In the present embodiment, the raw material of heat conduction composite wooden material consists of: xylon 950g, Phenol aldehyde resin 140g, 2500 order Graphite Powder 99 50g, silane coupling agent 0.5g.
Its preparation method is:
1) 2500 order Graphite Powder 99s are carried out silane coupler modified process and drying;
2) the dry Graphite Powder 99 after modification and xylon are thoroughly mixed to form matrix material;
3) Phenol aldehyde resin, then assembly are applied to matrix material;
4) Wood-based Panel Production technique is adopted namely to obtain heat conduction composite wooden material to slab hot pressing.
Embodiment 3
In the present embodiment, the raw material of heat conduction composite wooden material consists of: xylon 900g, urea-formaldehyde resin adhesive 140g, 300 order Graphite Powder 99 100g, titanate coupling agent 3g.
Its preparation method is:
1) 300 order Graphite Powder 99s are carried out titanate coupling agent modified process and drying;
2) the dry Graphite Powder 99 after modification and xylon are thoroughly mixed to form matrix material;
3) urea-formaldehyde resin adhesive, then assembly are applied to matrix material;
4) Wood-based Panel Production technique is adopted namely to obtain heat conduction composite wooden material to slab hot pressing.
Embodiment 4
In this example, the raw material of heat conduction composite wooden material consists of: xylon 800g, phenolic resin adhesive 140g, 700 order Graphite Powder 99 200g, coupling agent 0g.
Its preparation method is:
1) 700 order Graphite Powder 99s are carried out drying;
2) dry Graphite Powder 99 and xylon are thoroughly mixed to form matrix material;
3) Phenol aldehyde resin, then assembly are applied to matrix material;
4) Wood-based Panel Production technique is adopted namely to obtain heat conduction composite wooden material to slab hot pressing.
Embodiment 5
In the present embodiment, the raw material of heat conduction composite wooden material consists of: xylon 950g, urea-formaldehyde resin adhesive 160g, 700 order Graphite Powder 99 50g, coupling agent 0g.
Its preparation method is:
1) 700 order Graphite Powder 99s are dry;
2) dry Graphite Powder 99 and xylon are thoroughly mixed to form matrix material;
3) urea-formaldehyde resin adhesive, then assembly are applied to matrix material;
4) Wood-based Panel Production technique is adopted namely to obtain heat conduction composite wooden material to slab hot pressing.
Embodiment 6
In the present embodiment, the raw material of heat conduction composite wooden material consists of: xylon 900g, resol 100g, 700 order Graphite Powder 99 100g, silane coupling agent 100g.
Its preparation method is:
1) 700 order Graphite Powder 99s are carried out silane coupler modified process and drying;
2) the dry Graphite Powder 99 after modification and xylon are thoroughly mixed to form matrix material;
3) Phenol aldehyde resin, then assembly are applied to matrix material;
4) Wood-based Panel Production technique is adopted namely to obtain heat conduction composite wooden material to slab hot pressing.
Embodiment 7
In the present embodiment, the raw material of heat conduction composite wooden material consists of: bamboo fibers 850g, urea-formaldehyde resin adhesive 140g, 2500 order carbon black 150g, titanate coupling agent 1.5g.
Its preparation method is:
1) 2500 order carbon blacks are carried out titanate coupling agent modified process and drying;
2) the dry carbon black after modification and bamboo fibers are thoroughly mixed to form matrix material;
3) urea-formaldehyde resin adhesive, then assembly are applied to matrix material;
4) Wood-based Panel Production technique is adopted namely to obtain heat conduction composite wooden material to slab hot pressing.
Embodiment 8
In the present embodiment, the raw material of heat conduction composite wooden material consists of: shrub fiber 850g, urea-formaldehyde resin adhesive 140g, 2500 order Graphite Powder 99 150g, titanate coupling agent 1.5g.
Its preparation method is:
1) 2500 order Graphite Powder 99s are carried out titanate coupling agent modified process and drying;
2) the dry Graphite Powder 99 after modification and shrub fiber are thoroughly mixed to form matrix material;
3) urea-formaldehyde resin adhesive, then assembly are applied to matrix material;
4) Wood-based Panel Production technique is adopted namely to obtain heat conduction composite wooden material to slab hot pressing.
Embodiment 9
In the present embodiment, the raw material of heat conduction composite wooden material consists of: crop branch fiber 850g, Phenol aldehyde resin 140g, 2500 order Graphite Powder 99 150g, silane coupling agent 1.5g.
Its preparation method is:
1) 2500 order Graphite Powder 99s are carried out titanate coupling agent modified process and drying;
2) the dry Graphite Powder 99 after modification and crop branch fiber are thoroughly mixed to form matrix material;
3) urea-formaldehyde resin adhesive, then assembly are applied to matrix material;
4) Wood-based Panel Production technique is adopted namely to obtain heat conduction composite wooden material to slab hot pressing.
Embodiment 10
In the present embodiment, the raw material of heat conduction composite wooden material consists of: xylon 850g, urea-formaldehyde resin adhesive 140g, carbon fiber 150g, titanate coupling agent 1.5g.
Its preparation method is:
1) carbon fiber is carried out titanate coupling agent modified process and drying;
2) the dried carbon fiber after modification and xylon are thoroughly mixed to form matrix material;
3) urea-formaldehyde resin adhesive, then assembly are applied to matrix material;
4) Wood-based Panel Production technique is adopted namely to obtain heat conduction composite wooden material to slab hot pressing.
Embodiment 11
In the present embodiment, the raw material of heat conduction composite wooden material consists of: xylon 850g, Phenol aldehyde resin 140g, carbon nanotube 150g, titanate coupling agent 1.5g.
Its preparation method is:
1) carbon nanotube is carried out titanate coupling agent modified process and drying;
2) the dried carbon nanotube after modification and xylon are thoroughly mixed to form matrix material;
3) urea-formaldehyde resin adhesive, then assembly are applied to matrix material;
4) Wood-based Panel Production technique is adopted namely to obtain heat conduction composite wooden material to slab hot pressing.
Embodiment 12
In the present embodiment, the raw material of heat conduction composite wooden material consists of: xylon 850g, urea-formaldehyde resin adhesive 140g, Graphene 150g, silane coupling agent 1.5g.
Its preparation method is:
1) Graphene is carried out silane coupler modified process and drying;
2) the dry Graphene after modification and xylon are thoroughly mixed to form matrix material;
3) urea-formaldehyde resin adhesive, then assembly are applied to matrix material;
4) Wood-based Panel Production technique is adopted namely to obtain heat conduction composite wooden material to slab hot pressing.
Comparative example 1
In comparative example 1, the raw material of heat conduction composite wooden material consists of: aspen fibers by using silicon 1000g, urea-formaldehyde resin adhesive 140g, Graphite Powder 99 0g, titanate coupling agent 0g.
Performance test
Prepare heat conduction composite wooden material to embodiment 1-12 and comparative example 1 and carry out performance test, testing method is the testing method of this area routine, and result is as shown in following table 1, table 2:
Table 1 embodiment 1-6 and comparative example 1 prepare the performance test results of heat conduction composite wooden material
Table 2 embodiment 7-12 and embodiment 1 prepare the performance test results of heat conduction composite wooden material
By embodiment 1 requirement, as aspen fibers by using silicon 850g, urea-formaldehyde resin adhesive 140g, 2500 order Graphite Powder 99 150g, during titanate coupling agent 1.5g, the heat conduction composite wooden material MOR 35MPa, the Young's modulus 17864MPa that prepare under this condition, internal bond strength 0.31MPa, thermal conductivity 0.266 (W/mK); The MOR of embodiment 2-6, Young's modulus, internal bond strength are all better than embodiment 1, lower than comparative example 1, the thermal conductivity of embodiment 2-6 then lower than embodiment 1, higher than comparative example 1.MOR 74MPa, the Young's modulus 23978MPa of the common lignocellulosic material prepared under comparative example 1 condition, internal bond strength 0.49MPa, thermal conductivity 0.045 (W/mK).Can obtain from the experimental data of embodiment 1-6 and comparative example 1, after adding heat conductive filler, the MOR of heat conduction composite wooden material, Young's modulus and internal bond strength all have decline in various degree, when heat conductive filler loading level 15%, particle diameter 2500 order, the mechanical strength of heat conduction composite wooden material declines maximum, but still meeting Standard, its thermal conductivity is 5 times of general fibre plate.Consider from mechanical strength and thermal conductivity two aspects, select 2500 order Graphite Powder 99s, 15% loading level effect best.
The performance test results of the heat conduction composite wooden material prepared by embodiment 7-12 is as shown in table 2, and embodiment 7 thermal conductivity and mechanical property compared with embodiment 1 all can decline a little, this be due to the heat conductivility of micro-nano carbon black and mechanical property poorer than graphite; Embodiment 8, embodiment 9 thermal conductivity compared with embodiment 1 does not become, but mechanical property all has decline in various degree, this is because the mechanical strength of shrub and agricultural crop straw is all lower than xylon; The various aspects of performance of embodiment 10-12 is all better than embodiment 1, because the long-width ratio of carbon fiber, carbon nanotube and Graphene is all very large, the mechanical property of matrix material can be promoted, their heat conductivility is all better than Graphite Powder 99 on the other hand, wherein the heat conduction composite wooden material performance prepared of Graphene is best, but consider economic factors, Graphite Powder 99 is optimal selection.
Although above the present invention is described in detail with a general description of the specific embodiments, on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, all belong to the scope of protection of present invention.
Claims (10)
1. a heat conduction composite wooden material, is characterized in that, by weight, its raw material composition comprises 80 ~ 100 parts of biomass fibers, 10-16 part sizing agent, the micro-nano carbon dust of 5-20 part;
Its raw material composition also comprises coupling agent, and coupling agent is 0 ~ 3.0% of micro-nano carbon opaque amount.
2. heat conduction composite wooden material according to claim 1, is characterized in that, its raw material composition comprises 85 ~ 100 parts of biomass fibers, 10-14 part sizing agent, the micro-nano carbon dust of 5-15 part; Coupling agent is 0.5% ~ 1.5% of micro-nano carbon opaque amount.
3. heat conduction composite wooden material according to claim 1, is characterized in that, its raw material composition comprises 85 parts of biomass fibers, 14 parts of sizing agents, 15 parts of micro-nano carbon dusts, and the coupling agent of micro-nano carbon opaque amount 1%.
4. the heat conduction composite wooden material according to any one of claim 1-3, is characterized in that, described biomass fiber is the one in xylon, bamboo fibers, agricultural crop straw, shrub fiber.
5. the heat conduction composite wooden material according to any one of claim 1-3, is characterized in that, described sizing agent is urea-formaldehyde resin or Phenol aldehyde resin.
6. the heat conduction composite wooden material according to any one of claim 1-3, is characterized in that, described micro-nano carbon dust is selected from the one in carbon nanotube, carbon fiber, Graphite Powder 99, carbon black, Graphene.
7. the heat conduction composite wooden material according to any one of claim 1-3, is characterized in that, the granularity of described micro-nano carbon dust is selected from the one in 300 order ~ 2500 orders.
8. heat conduction composite wooden material according to claim 7, is characterized in that, the granularity of described micro-nano carbon dust is 2500 orders.
9. the heat conduction composite wooden material according to any one of claim 1-3, is characterized in that, described coupling agent is silane coupling agent or titanate coupling agent.
10. the preparation method of heat conduction composite wooden material described in claim 1, said method comprising the steps of:
1) micro-nano carbon dust is carried out coupling agent modified process and drying;
2) micro-nano for the drying after modification carbon dust and biomass fiber are thoroughly mixed to form matrix material;
3) sizing agent, then assembly are applied to matrix material;
4) Wood-based Panel Production technique is adopted namely to obtain heat conduction composite wooden material to slab hot pressing.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105773741A (en) * | 2016-03-25 | 2016-07-20 | 王莎莎 | Manufacturing method of building composite board |
| CN106594849A (en) * | 2017-01-12 | 2017-04-26 | 李国才 | Novel soft heating material |
| CN106832991A (en) * | 2017-02-15 | 2017-06-13 | 九江学院 | A kind of CNT strengthens the preparation method of light wood plastic composite material |
| CN107163605A (en) * | 2017-06-29 | 2017-09-15 | 安徽国风木塑科技有限公司 | A kind of high heat conduction wood moulding and preparation method thereof |
| CN107200581A (en) * | 2017-05-31 | 2017-09-26 | 合肥创沃科技有限公司 | A kind of preparation method of stalk wood ceramics composite |
| CN108192369A (en) * | 2018-02-01 | 2018-06-22 | 合肥国瑞装配式建筑科技有限公司 | A kind of environmental protection flame retardant wallboard and preparation method thereof |
| CN109249509A (en) * | 2018-08-23 | 2019-01-22 | 广东思泉新材料股份有限公司 | A kind of graphene conductive heating plank and preparation method thereof |
| CN111393867A (en) * | 2020-04-15 | 2020-07-10 | 安徽扬子地板股份有限公司 | Special composite floor for geothermal and preparation method thereof |
| CN113650127A (en) * | 2021-08-09 | 2021-11-16 | 大亚人造板集团有限公司 | Preparation process of graphene-containing fiber board and application of graphene-containing fiber board to floor heating floor |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105773741A (en) * | 2016-03-25 | 2016-07-20 | 王莎莎 | Manufacturing method of building composite board |
| CN106594849A (en) * | 2017-01-12 | 2017-04-26 | 李国才 | Novel soft heating material |
| CN106832991A (en) * | 2017-02-15 | 2017-06-13 | 九江学院 | A kind of CNT strengthens the preparation method of light wood plastic composite material |
| CN107200581A (en) * | 2017-05-31 | 2017-09-26 | 合肥创沃科技有限公司 | A kind of preparation method of stalk wood ceramics composite |
| CN107163605A (en) * | 2017-06-29 | 2017-09-15 | 安徽国风木塑科技有限公司 | A kind of high heat conduction wood moulding and preparation method thereof |
| CN108192369A (en) * | 2018-02-01 | 2018-06-22 | 合肥国瑞装配式建筑科技有限公司 | A kind of environmental protection flame retardant wallboard and preparation method thereof |
| CN109249509A (en) * | 2018-08-23 | 2019-01-22 | 广东思泉新材料股份有限公司 | A kind of graphene conductive heating plank and preparation method thereof |
| CN111393867A (en) * | 2020-04-15 | 2020-07-10 | 安徽扬子地板股份有限公司 | Special composite floor for geothermal and preparation method thereof |
| CN113650127A (en) * | 2021-08-09 | 2021-11-16 | 大亚人造板集团有限公司 | Preparation process of graphene-containing fiber board and application of graphene-containing fiber board to floor heating floor |
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Application publication date: 20160309 |