CN105237904A - Mineral brush wood-plastic composite material, preparation method and applications thereof - Google Patents

Mineral brush wood-plastic composite material, preparation method and applications thereof Download PDF

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Publication number
CN105237904A
CN105237904A CN201510639619.1A CN201510639619A CN105237904A CN 105237904 A CN105237904 A CN 105237904A CN 201510639619 A CN201510639619 A CN 201510639619A CN 105237904 A CN105237904 A CN 105237904A
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China
Prior art keywords
brush wood
plastic composite
hollow
plate
mineral plastic
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Pending
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CN201510639619.1A
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Chinese (zh)
Inventor
马立军
宋志磊
张秀华
魏松艳
孙伟
付晓霞
沈佳龙
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Changchun Hongyuan Wood Technology Co Ltd
JILIN ACADEMY OF FORESTRY
Original Assignee
Changchun Hongyuan Wood Technology Co Ltd
JILIN ACADEMY OF FORESTRY
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Application filed by Changchun Hongyuan Wood Technology Co Ltd, JILIN ACADEMY OF FORESTRY filed Critical Changchun Hongyuan Wood Technology Co Ltd
Priority to CN201510639619.1A priority Critical patent/CN105237904A/en
Publication of CN105237904A publication Critical patent/CN105237904A/en
Pending legal-status Critical Current

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Abstract

The invention provides a mineral brush wood-plastic composite material, a preparation method and applications thereof. The composite material comprises a base material and brush wood powder; wherein the base material comprises polyvinyl chloride (PVC) resin and light calcium carbonate with a particle size of 200 to 1800 meshes according to a weight ratio of 1:2.5-3.5, and the brush wood powder accounts for 5 to 16% of the total weight of base material. Due to the reasonable formula, the provided composite material has high size stability and thermal conductivity. Moreover, the composite has a good water resistant property and high strength, and the released formaldehyde amount is low. The experiment results show that the thermal conductivity of the composite material is 12 to 20 W/(m*DEG C), the static bending intensity is 30 to 45 MPa, the elastic modulus is 5500 to 8000 MPa, and the released formaldehyde amount is 0.1 to 0.4 mg/L.

Description

A kind of brush wood mineral Plastic composite material, its preparation method and application thereof
Technical field
The present invention relates to wood plastic composite technical field, particularly relate to a kind of brush wood mineral Plastic composite material, its preparation method and application thereof.
Background technology
Wood plastic composite adopts plastics (as polypropylene PP, polythene PE, acrylonitrile-butadiene-styrene copolymer ABS, polyvinylchloride etc.) and natural modified vegetable fibre, comprise the raw materials such as sawmilling, timber, chaff shell, Pericarppium arachidis hypogaeae, rice straw, through extruding, the matrix material made of injection moulding, the forming method such as compacting.The Application Areas of wood plastic composite mainly comprises garden landscape, furniture, decoration, floor, packaging, pallet, train sleeper, automobile interior trim etc.It is reported, estimate China 10 years from now on, wood-plastic composite material products by with 15% rate of increase development, Chinese Wood plastic composite materials and goods thereof finally reach and form the huge infant industry system of of annual output 1000 ten thousand tons.
The public hazards that the development of wood plastic composite and widespread use contribute to slowing down plastic refuse are polluted; Production and the use of wood plastic composite can not distribute the volatile matter of harm humans health by environment towards periphery, and material itself can also reclaim and carry out second stage employ, is a kind of environmental protection matrix material.
In prior art, wood plastic composite comprises stalk-PVC matrix material, maleic anhydride modified bagasse/polyvinyl chloride composite materials, the wood powder of methyl methacrylate-grafted modification and the wood powder of the matrix material of polyvinyl chloride resin and aluminate coupling agent modification and the matrix material etc. of polyvinyl chloride resin.But the dimensional stability of these wood plastic composites and thermal conductivity are all poor.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of brush wood mineral Plastic composite material, its preparation method and application thereof, brush wood mineral Plastic composite material provided by the invention has higher dimensional stability and thermal conductivity.
The invention provides a kind of brush wood mineral Plastic composite material, comprise base-material and brush wood powder;
Described base-material comprises polyvinyl chloride (PVC) RESINS and particle diameter is 200 order ~ 1800 object light calcium carbonates;
Described polyvinyl chloride (PVC) RESINS and particle diameter are the mass ratio of 200 order ~ 1800 object light calcium carbonates is 1:2.5 ~ 3.5;
The massfraction that described brush wood powder accounts for described base-material is 5% ~ 16%.
Preferably, the particle diameter of described brush wood powder is 60 order ~ 120 orders.
Preferably, the water ratio of described brush wood powder is less than or equal to 5%.
Preferably, the trade mark of described polyvinyl chloride (PVC) RESINS comprises one or more in SG-4, SG-5 and SG-8.
Preferably, described brush wood mineral Plastic composite material also comprises the water-ground limestone that particle diameter is 10nm ~ 100nm;
Described particle diameter is the massfraction that the light calcium carbonate of 10nm ~ 100nm accounts for base-material is 0.2% ~ 0.6%.
Preferably, described brush wood mineral Plastic composite material also comprises auxiliary agent;
The massfraction that described auxiliary agent accounts for described base-material is 10% ~ 15%.
Preferably, described auxiliary agent comprises one or more in thermo-stabilizer, ethene plasticising toughner, stearic acid, polyethylene wax.
The invention provides the preparation method of brush wood mineral Plastic composite material described in a kind of technique scheme, comprise the following steps:
Be that 200 order ~ 1800 object light calcium carbonates are mixing by brush wood powder, polyvinyl chloride (PVC) RESINS and particle diameter, extrude, obtain brush wood mineral Plastic composite material.
The invention provides brush wood mineral Plastic composite material prepared by preparation method described in brush wood mineral Plastic composite material described in a kind of technique scheme or technique scheme and prepare the application in hollow wall plate.
Preferably, described hollow wall plate comprises hollow wall plate body, and described hollow wall plate body interior is provided with several the first hollow structures;
And limited impression is provided with on the relative side, two sides of described hollow wall plate body, opposite side is provided with the spacing preiection with described limited impression adaptation, described spacing preiection comprises the second limiting section that the first limiting section and two ends are communicated with described first limiting section with described hollow wall plate body respectively, and described second limiting section inside is provided with several the second hollow structures.
The invention provides a kind of brush wood mineral Plastic composite material, comprise base-material and brush wood powder; Described base-material comprises polyvinyl chloride (PVC) RESINS and particle diameter is 200 order ~ 1800 object light calcium carbonates; Described polyvinyl chloride (PVC) RESINS and particle diameter are the mass ratio of 200 order ~ 1800 object light calcium carbonates is 1:2.5 ~ 3.5; The massfraction that described brush wood powder accounts for described base-material is 5% ~ 16%.Brush wood mineral Plastic composite material provided by the invention has higher dimensional stability and thermal conductivity under the compatibility of said components.In addition, this brush wood mineral Plastic composite material has good water tolerance, good intensity, burst size of methanal are lower.Experimental result shows: the dimensional stability of brush wood mineral Plastic composite material provided by the invention is 0.03 ~ 0.08mm; Thermal conductivity is 12 ~ 20W/ (m DEG C); MOR is 30 ~ 45MPa; Young's modulus is 5500 ~ 8000MPa; Burst size of methanal is 0.1 ~ 0.4mg/L; 24h expansion rate of water absorption is 0.3 ~ 0.6%.
Accompanying drawing explanation
The structural representation of a kind of hollow wall plate that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the another kind of hollow wall plate that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is the scanning electron microscope (SEM) photograph of brush wood mineral Plastic composite material prepared by the embodiment of the present invention 1;
Fig. 4 is the infrared spectrogram of brush wood mineral Plastic composite material prepared by brush wood powder and the embodiment of the present invention 1;
Fig. 5 is the infrared spectrogram of brush wood mineral Plastic composite material prepared by the embodiment of the present invention 2 ~ 3;
Fig. 6 is the scanning electron microscope (SEM) photograph that the brush wood mineral Plastic composite material of the embodiment of the present invention 2 preparation amplifies 200 times;
Fig. 7 is the scanning electron microscope (SEM) photograph that the brush wood mineral Plastic composite material of the embodiment of the present invention 2 preparation amplifies 1000 times.
Embodiment
The invention provides a kind of brush wood mineral Plastic composite material, comprise base-material and brush wood powder;
Described base-material comprises polyvinyl chloride (PVC) RESINS and particle diameter is 200 order ~ 1800 object light calcium carbonates;
Described polyvinyl chloride (PVC) RESINS and particle diameter are the mass ratio of 200 order ~ 1800 object light calcium carbonates is 1:2.5 ~ 3.5;
The mass percent that described brush wood powder accounts for described base-material is 5% ~ 16%.
In the present invention, described brush wood mineral Plastic composite material comprises base-material; Described base-material comprises polyvinyl chloride (PVC) RESINS and particle diameter is 200 order ~ 1800 object light calcium carbonates.In the present invention, described polyvinyl chloride (PVC) RESINS and particle diameter are the mass ratio of 200 order ~ 1800 object light calcium carbonates is 1:2.5 ~ 3.5, is preferably 2.9 ~ 3.1:1, is more preferably 3:1.In the present invention, the trade mark of described polyvinyl chloride (PVC) RESINS preferably includes one or more in SG-4, SG-5 and SG-8.The source of the present invention to described polyvinyl chloride (PVC) RESINS is not particularly limited, and adopts polyvinyl chloride (PVC) RESINS well known to those skilled in the art, as adopted its commercial goods; In a particular embodiment of the present invention, described polyvinyl chloride (PVC) RESINS is bought in Qilu Petrochemical.The present invention does not have special restriction to the source that described particle diameter is 200 order ~ 1800 object light calcium carbonates, adopts particle diameter well known to those skilled in the art to be 200 order ~ 1800 object light calcium carbonates, as adopted its commercial goods; In a particular embodiment of the present invention, described particle diameter is that 200 order ~ 1800 object light calcium carbonates are bought in Changchun Cheng Yu mould company limited.In the present invention, the settling volume of described light calcium carbonate is preferably 2.4 ~ 2.8mL/g; The settling volume of described water-ground limestone is preferably 1.1 ~ 1.4mL/g.
In the present invention, described brush wood mineral Plastic composite material comprises brush wood powder.In the present invention, the massfraction that described brush wood powder accounts for described base-material is 5% ~ 16%, is preferably 8% ~ 14%, is more preferably 9% ~ 12%.In the present invention, the particle diameter of described brush wood powder is preferably 60 order ~ 120 orders; In certain embodiments of the present invention, the particle diameter of described brush wood powder is 60 order ~ 100 orders.In the present invention, the water content of described brush wood powder is preferably less than or equal to 5%, is more preferably less than or equal to 4%.The source of the present invention to described brush wood powder does not have special restriction, adopts brush wood powder well known to those skilled in the art, as adopted its commercial goods; In the specific embodiment of the invention, described brush wood powder is bought in Changchun Hong Yuanmu industry Science and Technology Ltd..In an embodiment of the present invention, described brush wood powder obtains preferably through sieving after mechanical workout.The brush wood powder that the present invention adopts can increase obtained product size stability, alleviates product weight; Make the product thermal conductivity obtained improve and heat storage capacity reinforcement simultaneously.
In the present invention, described brush wood mineral Plastic composite material preferably also comprises the water-ground limestone that particle diameter is 10nm ~ 100nm.In the present invention, described particle diameter is the massfraction that the water-ground limestone of 10nm ~ 100nm accounts for base-material is 0.2% ~ 0.6%, is preferably 0.3% ~ 0.5%.The present invention adopts the surface effects of nano level water-ground limestone (specific surface area is large) to improve the cohesion of brush wood powder, light calcium carbonate and the polyvinyl chloride resin of filling.
In the present invention, described brush wood mineral Plastic composite material preferably also comprises auxiliary agent.In the present invention, described auxiliary agent preferably includes one or more in thermo-stabilizer, ethene plasticising toughner, stearic acid and polyethylene wax.In the present invention, the massfraction that described auxiliary agent accounts for described base-material is preferably 10% ~ 15%.In the present invention, described thermo-stabilizer preferably includes organic calcium liquid stabilisers and/or PVC calcium-zinc composite stabilizing agent; Described ethene plasticising toughner is preferably chlorinatedpolyethylene plasticising toughner.The source of the present invention to described auxiliary agent does not have special restriction, adopts above-mentioned auxiliary agent well known to those skilled in the art, as adopted its commercial goods; In a particular embodiment of the present invention, described auxiliary agent is bought in Hengshui Jing Xin additives for plastics company limited.In the present invention, described stearic acid makes Plastic composite material have good oilness and good heat stabilization; Described polyethylene wax, as the dispersion agent of Plastic composite material, lubricant and brightening agent, can strengthen the plasticizing rate of goods, improves toughness and the surface flatness of goods.In the present invention, the massfraction that described auxiliary agent accounts for described base-material is preferably 10% ~ 15%.The mass ratio of described thermo-stabilizer, ethene plasticising toughner, stearic acid and polyethylene wax is preferably (3.5 ~ 4.5): (3.5 ~ 4.5): (0.8 ~ 1.2): (0.8 ~ 1.2), is more preferably 4:4:1:1.
The invention provides the preparation method of brush wood mineral Plastic composite material described in a kind of technique scheme, comprise the following steps:
Be that 200 order ~ 1800 object light calcium carbonates are mixing by brush wood powder, polyvinyl chloride (PVC) RESINS and particle diameter, extrude, obtain brush wood mineral Plastic composite material.
In the present invention, the consumption that described brush wood powder, polyvinyl chloride (PVC) RESINS and particle diameter are 200 order ~ 1800 object light calcium carbonates and source are the consumption of 200 order ~ 1800 object light calcium carbonates with brush wood powder, polyvinyl chloride (PVC) RESINS and particle diameter described in technique scheme and originate consistent, do not repeat them here.In the present invention, described brush wood powder preferred at 90 DEG C ~ 110 DEG C dry 2 hours ~ 3 hours before use, makes the moisture in brush wood powder, low molecule organic matter and decomposition components thereof volatilize, to improve its thermostability, meets service requirements.
Brush wood powder, polyvinyl chloride (PVC) RESINS and particle diameter are preferably that 200 order ~ 1800 object light calcium carbonates carry out mixing by the present invention in high-speed mixer.In the present invention, described mixing temperature is preferably 110 DEG C ~ 130 DEG C, is more preferably 115 DEG C ~ 125 DEG C; The described mixing time is preferably 5min ~ 10min, is more preferably 6min ~ 8min.
The mixing mixing product obtained is extruded, obtains brush wood mineral Plastic composite material.The present invention preferably adopts single screw extrusion machine or twin screw extruder to extrude.In the present invention, the temperature extruded described in is preferably 130 DEG C ~ 180 DEG C.The present invention controls head pressure by regulating the die head temperature of forcing machine and extruded velocity, described in the pressure extruded be preferably 20MPa ~ 30MPa.The present invention extrudes difform brush wood mineral Plastic composite material as requested.
The shaping brush wood mineral Plastic composite material extruded preferably at room temperature is placed and is carried out cooling normal temperature by the present invention.
Present invention also offers brush wood mineral Plastic composite material prepared by preparation method described in brush wood mineral Plastic composite material described in a kind of technique scheme or technique scheme and prepare the application in hollow wall plate.
The present invention adopts mould to be prepared into the hollow wall plate of desired shape.The brush wood mineral Plastic composite material provided preferably is made hollow wall plate by the present invention, and described hollow wall plate comprises hollow wall plate body, and described hollow wall plate body interior is provided with several the first hollow structures;
And limited impression is provided with on the relative side, two sides of described hollow wall plate body, opposite side is provided with the spacing preiection with described limited impression adaptation, described spacing preiection comprises the second limiting section that the first limiting section and two ends are communicated with described first limiting section with described hollow wall plate body respectively, and described second limiting section inside is provided with several the second hollow structures.In this application, the hollow wall plate of described said structure has excellent mechanical strength; Economize in raw materials, reduce panel weight, reduce costs.In addition, the recovery electric heating system of hollow wall plate is higher; Also there is the effect of noise-reducing.
In some embodiment of the application, a kind of structural representation of hollow wall plate is see Fig. 1, the structural representation of a kind of hollow wall plate that Fig. 1 provides for the embodiment of the present application: wherein, 1 is limited impression, and 2 is the first hollow structure, and 3 is serrated slot, 4 is hollow wall plate body, 5 is the second hollow structure, and 6 is the second limiting section, and 7 is the first limiting section.
In some embodiment of the application, the another kind of structural representation of hollow wall plate is see Fig. 2, the structural representation of the another kind of hollow wall plate that Fig. 2 provides for the embodiment of the present application: wherein, 1 is limited impression, and 2 is the first hollow structure, and 3 is serrated slot, 4 is hollow wall plate body, 5 is the second hollow structure, and 6 is the second limiting section, and 7 is the first limiting section.
In this application, described hollow wall plate comprises hollow wall plate body 4, and described hollow wall plate body interior is provided with several the first hollow structures 2.In this application, perpendicular to the direction of hollow wall plate body side being provided with limited impression, along the length direction of described hollow wall plate body 4, a surface of described hollow wall plate body 4 is preferably parallel surface; Another surface of described hollow wall plate body 4 is preferably serrated slot; In the embodiment of the present application, described serrated slot is arranged at another surface of hollow wall version body equably.In this application, be parallel to the direction of the hollow wall plate body side being provided with limited impression, the degree of depth of described serrated slot and the Thickness Ratio of described hollow wall plate are 1.0 ~ 2.0:10.
In this application, the surface of described first hollow structure 2 is preferably plane, and described first hollow structure is specially cuboid; Perpendicular to the direction of hollow wall plate body side being provided with limited impression, the width of described hollow wall plate and described first hollow structure is than being (380 ~ 420): (6 ~ 10).Be parallel to the direction of the hollow wall plate body side being provided with limited impression, the height of described first hollow structure and the Thickness Ratio of hollow wall version are 4 ~ 6:10.In the specific embodiment of the application, the width on described first hollow structure surface is 6 ~ 10mm, is highly 4 ~ 5mm.
In this application, the relative side, two sides that described hollow wall plate is included in described hollow wall plate body is provided with limited impression 1, and opposite side is provided with the spacing preiection with described limited impression adaptation.
In this application, described spacing preiection comprises the second limiting section 6 that the first limiting section 7 and two ends are communicated with described first limiting section 7 with described hollow wall plate body 4 respectively, and described second limiting section 6 inside is provided with several the second hollow structures 5.In this application, described second limiting section 6 inside preferably arranges second hollow structure.In this application, a surface of the width of described hollow wall plate body and the second limiting section flushes, and another surface of the width of described first limiting section and the second limiting section flushes; And being parallel to the direction of the hollow wall plate body side being provided with limited impression, the thickness of described first limiting section is less than the thickness of the second limiting section, and the thickness of described second limiting section is less than the thickness of hollow wall plate body.
In an embodiment of the application, described first limiting section 7 and the second limiting section 6 entirety are in stepped appearance, spacing preiection is socketed in described limited impression, to be provided with the lower surface direction of one side for hollow wall plate of serrated slot, the lower surface of described first limiting section 7 and the lower surface of the second limiting section 6 flush; The upper surface of described second limiting section 6 and the upper surface flush of hollow wall plate body, and the thickness of described second limiting section 6 is less than the thickness of the first limiting section 7, as shown in fig. 1, the width ratio of described hollow wall plate and the first limiting section 7 is 380 ~ 420:2.5 ~ 4; In this application, be parallel to the direction of the hollow wall plate body side being provided with limited impression, described first limiting section 7 is 2.5 ~ 3.5:10 with the aspect ratio of described hollow wall version;
In another embodiment of the application, described first limiting section 7 and the second limiting section 6 entirety are in stepped appearance, spacing preiection is socketed in described limited impression, to be provided with the lower surface direction of one side for hollow wall plate of serrated slot, the upper surface of described second limiting section 6 and the upper surface flush of hollow wall plate body, the upper surface of described first limiting section and the upper surface of the second limiting section do not flush, the lower surface of described first limiting section 7 and the lower surface of the second limiting section 6 do not flush, as shown in Figure 2, the width ratio of described hollow wall plate and the first limiting section 7 is 380 ~ 420:2.5 ~ 4.In this application, be parallel to the direction of the hollow wall plate body side being provided with limited impression, described first limiting section 7 is 2.5 ~ 3.5:10 with the aspect ratio of described hollow wall version.In this application, the surface of described second hollow structure 5 is plane; Described second hollow structure 5 is preferably cuboid; In this application, perpendicular to the direction of hollow wall plate body side being provided with limited impression, the width of described hollow wall plate and the width of described second hollow structure are than being (380 ~ 420): (3 ~ 5); Be parallel to the direction of the hollow wall plate body side being provided with limited impression, the height of described second hollow structure and the Thickness Ratio of hollow wall plate are 1.5 ~ 2.5:10.In the specific embodiment of the application, to be provided with the lower surface direction of one side for hollow wall plate of serrated slot, the width of described second hollow structure 5 upper surface is 3 ~ 5mm, is highly 2 ~ 3mm.In the embodiment of the present application, the upper surface of described second hollow structure 5 and the upper surface of described first hollow structure 2 are preferably in same level; The adjacent facets of described second hollow structure 5 and the first hollow structure 2 is parallel surface.The hollow wall plate that the application provides arranges the first hollow structure 2 and the second hollow structure 5, and their setting can increase the thermal conductivity of hollow wall plate, improves the recovery electric heating system of hollow wall plate; Economize in raw materials, reduce panel weight, also there is the effect of noise-reducing; Described first hollow structure, the second hollow structure are arranged in juxtaposition, and make hollow wall plate have higher mechanical strength.
In this application, described spacing preiection is connected several hollow wall plates with limited impression; Limited impression and spacing preiection be arranged so that hollow wall plate install convenient.
In this application, the lower surface of described hollow wall version is preferably set to serrated slot 3.In this application, be parallel to the direction of the hollow wall plate body side being provided with limited impression, the degree of depth of described serrated slot 3 and the Thickness Ratio of described hollow wall plate can be 1.0 ~ 2.0:10.In this application, described serrated slot can increase friction, easily and sizing agent cementing.
The heat conductivility of the present invention to brush wood mineral Plastic composite material is tested, and characterizes heat conductivility by thermal conductivity.Thermal conductivity refers under steady heat transfer condition, the material that 1m is thick, the temperature difference of both side surface be 1 degree (K, DEG C), in 1 hour, the heat transmitted by 1 square area, unit is W/ (m DEG C).Thermal conductivity is relevant with the factor such as composition structure, density, water ratio, temperature of material.After controlling certain variable, by the test of heat conductivility, the density degree of material internal gap structure can be known.
Test result shows: brush wood mineral Plastic composite material provided by the invention has higher thermal conductivity, good heat conductivity, and accumulation of heat is lasting.
The present invention measures the physical and chemical parameter of brush wood mineral Plastic composite material with reference to standard GB/T _ 18580-2001 " architectural decoration moulds wooden combined wall board ": MOR and Young's modulus are tested.The present invention adopts 2KN mechanics machine to test.
The present invention carries out water absorbing properties test to the brush wood mineral Plastic composite material provided, and test process is: in water bath with thermostatic control, put into composite sample batten, and in water-bath, water temperature ensures at 25 ± 2 DEG C.The degree of depth of water guarantees that sample soaks completely and exceeds test specimen top 30mm.Measure the quality (W not soaking front sample 1) and thick (h 1), often soak after 24 hours, timing is taken out, and tests sample.The content of test comprises the thickness (h with miking batten 2), weigh the quality (W after batten water suction with electronic analytical balance 2), and calculate the volume (V after sample water suction h).Remained on surface moisture is wiped rapidly with filter paper, to guarantee the accuracy tested before test.
Water-intake rate thickness swelling calculates by formula 1:
( h 2 - h 1 ) h 1 × 100 % Formula 1.
The invention provides a kind of brush wood mineral Plastic composite material, comprise base-material and brush wood powder; Described base-material comprises polyvinyl chloride (PVC) RESINS and particle diameter is 200 order ~ 1800 object light calcium carbonates; Described polyvinyl chloride (PVC) RESINS and particle diameter are the mass ratio of 200 order ~ 1800 object light calcium carbonates is 1:2.5 ~ 3.5; The massfraction that described brush wood powder accounts for described base-material is 5% ~ 16%.Brush wood mineral Plastic composite material provided by the invention has higher dimensional stability and thermal conductivity under the compatibility of said components.In addition, this brush wood mineral Plastic composite material has good water tolerance, good intensity, lower burst size of methanal.Experimental result shows: the dimensional stability of brush wood mineral Plastic composite material provided by the invention is 0.03 ~ 0.08mm; Thermal conductivity is 12 ~ 20W/ (m DEG C); MOR is 30 ~ 45MPa; Young's modulus is 5500 ~ 8000MPa; Burst size of methanal is 0.1 ~ 0.4mg/L; 24h expansion rate of water absorption is 0.3% ~ 0.6%.
Brush wood mineral Plastic composite material provided by the invention not only can be used for ash wall body plate base material facing and produces, and can be used for interior decoration floor, buckle, furniture-plates, cupboard board, moulding etc., is recyclable environment-friendly materials; Can also outdoor building finishing material be used as, as the sheet material section bar etc. of garden, cities and towns Urban Greening.Prove through production practice, it is feasible that brush wood mineral Plastic composite material technology is used for the production of ash wall body plate base material decoration, has significant social benefit and economic benefit.
The cost of manufacture of brush wood mineral Plastic composite material provided by the invention is relatively low, stable performance, environmental protection, long service life; This brush wood Plastic composite material has water-fast, environmental protection, anti-corruption, antibacterial; Fire-retardant, resistance is large, anti-electrostatic, the advantage such as indeformable; Also have and can saw, can dig, easily the feature such as decoration, quick detachable, easy maintenance.
In order to further illustrate the present invention, below in conjunction with embodiment, a kind of brush wood mineral Plastic composite material provided by the invention, its preparation method and application thereof being described in detail, but they can not being interpreted as limiting the scope of the present invention.
Embodiment 1
Be 60 ~ 100 object brush wood powder at 100 DEG C dry 3 hours by 2.4kg particle diameter, moisture control is about 5%;
By 200 ~ 1800 order light calcium carbonate (CaCO of the brush wood powder handled well and 12kgPVCSG-8 resin, 36kg 3), PVC calcium-zinc composite stabilizing agent 2.2kg, particle diameter be the water-ground limestone (CaCO of 10 ~ 100nm 3) 0.24kg, stearic acid 0.6kg, polyethylene wax 0.6kg, chlorinatedpolyethylene plasticising toughner 2.4kg mix 6 minutes and 120 DEG C of bottom discharges in high-speed mixer, for subsequent use;
By the extrusion moulding at 160 DEG C in twin screw extruder of the above-mentioned material mixed, by regulating die head temperature and extruded velocity to control head pressure, pressure is 20 ~ 30MPa;
The brush wood mineral Plastic composite material of extrusion moulding is at room temperature placed and cools, when material cooled is to normal temperature, specified dimension is cut into again, by shaping ash wall body plate base material by sander sanding bottom surface and surface, then by the periphery mortice opening of ash wall body plate by stapling machine; Obtain brush wood ore deposit and mould hollow wall plate, the length of the hollow wall plate obtained is 600mm, and wide is 400mm, and thickness is 10mm; The width on the surface of the first hollow structure is 8mm, is highly 4mm; The face width of the second hollow structure is 4mm, is highly 2mm; The degree of depth of the opening end of described serrated slot is 1mm; The length of the first limiting section is 600mm, and wide is 4mm, and thickness is 3mm; The length of limited impression is 600mm, and wide is 4mm, and thickness is 3mm.
The present invention carries out scanning electron microscope analysis to obtained brush wood mineral Plastic composite material, and as shown in Figure 3, Fig. 3 is the scanning electron microscope (SEM) photograph of brush wood mineral Plastic composite material prepared by the embodiment of the present invention 1 to Electronic Speculum figure.As seen from Figure 3: better compatible between brush wood powder particles and polyvinyl chloride resin.
The present invention carries out examination of infrared spectrum to obtained brush wood mineral Plastic composite material, see Fig. 4, Fig. 4 is the infrared spectrogram of brush wood mineral Plastic composite material prepared by brush wood powder and the embodiment of the present invention 1, wherein curve W is the infrared spectrogram of brush wood powder, curve M PC does not add the mineral Plastic composite material infrared spectrogram of wood powder, and curve WMPC5 is the infrared spectrogram that embodiment 1 adds mineral Plastic composite material prepared by 5% brush wood powder.As seen from Figure 4: at 1394cm -1and 711.52cm -1absorption peak place, absorption peak absorption intensity increases, and absorption peak width broadens, and is owing to joining in mineral Plastic composite material when brush wood powder, producing hydrogen bond action, cause absorption peak absorption intensity to increase in high temperature extrusion with other polar groups.
The present invention carries out the test of thermal conductivity to brush wood mineral Plastic composite material prepared by the present embodiment 1 according to the measuring technology scheme of heat conductivility described in technique scheme, test result is: the thermal conductivity of brush wood mineral Plastic composite material prepared by the embodiment of the present invention 1 is 15.2W/ (m DEG C).
The present invention tests according to the mechanical property of testing method described in technique scheme to obtained brush wood mineral Plastic composite material, the results are shown in Table 1, and table 1 is the mechanical experimental results of the brush wood mineral Plastic composite material that embodiment 1 ~ 3 obtains:
The mechanical experimental results of the brush wood mineral Plastic composite material that table 1 embodiment 1 ~ 3 is obtained
Embodiment MOR/MPa Young's modulus/MPa Dimensional stability/mm
Embodiment 1 45 5950 0.03
Embodiment 2 41 6725 0.04
Embodiment 3 39 6233 0.06
Test result shows: brush wood mineral prepared by the present invention is moulded and closed material and decorate its quality product for floor base material and all exceed national standard architectural decoration and mould wooden combined wall board QB/T2630-2010 and measure MOR (MOR >=24MPa) and the performance index such as Deflection Modulus of Elasticity (>=2300MPa).
The present invention's testing method brush wood mineral Plastic composite material to preparation according to technique scheme carries out the test of burst size of methanal and hygroscopic property, test result is in table 2, and table 2 is burst size of methanal and the hygroscopic property test result of brush wood mineral Plastic composite material prepared by embodiment 1 ~ 3:
The burst size of methanal of brush wood mineral Plastic composite material prepared by table 2 embodiment 1 ~ 3 and hygroscopic property test result
Test result shows: the expansion rate of water absorption of brush wood mineral Plastic composite material is all very little, and burst size of methanal reaches international E 0(E 0≤ 0.5mg/L) grade standard, there is environmental-protecting performance, greatly improve the work situation of workman.
Embodiment 2
Be 80 ~ 100 order brush wood powder at 100 DEG C dry 3 hours by 4.8kg particle diameter, moisture control is about 4%;
By 200 ~ 1800 order light calcium carbonate (CaCO of the brush wood powder handled well and 12kgPVCSG-5PVC resin, 36kg 3), PVC calcium-zinc composite stabilizing agent 2.2kg, particle diameter be the water-ground limestone (CaCO of 30 ~ 80nm 3) 0.24kg, stearic acid 0.6kg, polyethylene wax 0.6kg, chlorinatedpolyethylene plasticising toughner 2.4kg mix 6 minutes and 120 DEG C of bottom discharges in high-speed mixer, for subsequent use;
By the extrusion moulding at 145 DEG C in twin screw extruder of the above-mentioned material mixed, by regulating die head temperature and extruded velocity to control head pressure, pressure is 20 ~ 25MPa;
The brush wood mineral Plastic composite material of extrusion moulding is at room temperature placed and cools, when material cooled is to normal temperature, specified dimension is cut into again, by shaping ash wall body plate base material by sander sanding bottom surface and surface, then by the periphery mortice opening of ash wall body plate by stapling machine; Obtain brush wood ore deposit and mould hollow wall plate, the length of the hollow wall plate obtained is 600mm, and wide is 400mm, and thickness is 10mm; The width on the surface of the first hollow structure is 6mm, is highly 4mm; The face width of the second hollow structure is 5mm, is highly 2mm; The degree of depth of the opening end of described serrated slot is 2mm; The length of the first limiting section is 600mm, and wide is 4mm, and thickness is 3mm; The length of limited impression is 600mm, and wide is 4mm, and thickness is 3mm.
The present invention carries out examination of infrared spectrum to obtained brush wood mineral Plastic composite material, see Fig. 5, Fig. 5 is the infrared spectrogram of brush wood mineral Plastic composite material prepared by the embodiment of the present invention 2 ~ 3, wherein, curve WMPC5 is the infrared spectrogram that embodiment 1 adds mineral Plastic composite material prepared by 5% brush wood powder; Curve WMPC10 is the infrared spectrogram that embodiment 2 adds mineral Plastic composite material prepared by 10% brush wood powder.As seen from Figure 5: at 1395.05cm -1and 711.53cm -1absorption peak place, absorption peak absorption intensity increases, and absorption peak width broadens, and is owing to joining in mineral Plastic composite material when brush wood powder, producing hydrogen bond action, cause absorption peak absorption intensity to increase in high temperature extrusion with other polar group.
The present invention carries out scanning electron microscope analysis to obtained brush wood mineral Plastic composite material, and as shown in Figure 6 and Figure 7, Fig. 6 is the scanning electron microscope (SEM) photograph that the brush wood mineral Plastic composite material of the embodiment of the present invention 2 preparation amplifies 200 times to Electronic Speculum figure; Fig. 7 is the scanning electron microscope (SEM) photograph that the brush wood mineral Plastic composite material of the embodiment of the present invention 2 preparation amplifies 1000 times.As can be seen from Fig. 6 and Fig. 7: better compatible between brush wood powder particles and polyvinyl chloride resin.
The present invention carries out the test of thermal conductivity to brush wood mineral Plastic composite material prepared by the present embodiment 2 according to the measuring technology scheme of heat conductivility described in technique scheme, test result is: the thermal conductivity of brush wood mineral Plastic composite material prepared by the embodiment of the present invention 2 is 17.3W/ (m DEG C).
The present invention tests according to the mechanical property of testing method described in technique scheme to obtained brush wood mineral Plastic composite material, the results are shown in Table 1.
Test result shows: brush wood mineral prepared by the present invention is moulded and closed material and decorate its quality product for floor base material and all exceed national standard architectural decoration and mould wooden combined wall board QB/T2630-2010 and measure MOR (MOR >=24MPa) and the performance index such as Deflection Modulus of Elasticity (>=2300MPa).
The present invention's testing method brush wood mineral Plastic composite material to preparation according to technique scheme carries out the test of burst size of methanal and hygroscopic property, and test result is in table 2.Test result shows: the expansion rate of water absorption of brush wood mineral Plastic composite material is all very little, and burst size of methanal reaches international E 0(E 0≤ 0.5mg/L) grade standard, there is environmental-protecting performance, greatly improve the work situation of workman.
Embodiment 3
Be 60 order ~ 100 object brush wood powder at 105 DEG C dry 2.5 hours by 7.2kg particle diameter, water content control is about 5%;
By 200 ~ 1800 order light calcium carbonate (CaCO of the brush wood powder handled well and 12kgPVCSG-4PVC resin, 36kg 3), PVC calcium-zinc composite stabilizing agent 2.2kg, particle diameter be the water-ground limestone (CaCO of 30 ~ 80nm 3) 0.24kg, stearic acid 0.6kg, polyethylene wax 0.6kg, chlorinatedpolyethylene plasticising toughner 2.4kg mix 8 minutes and 115 DEG C of bottom discharges in high-speed mixer, for subsequent use;
By the extrusion moulding at 130 DEG C in twin screw extruder of the above-mentioned material mixed, by regulating die head temperature and extruded velocity to control head pressure, pressure is 20 ~ 30MPa;
The brush wood mineral Plastic composite material of extrusion moulding is at room temperature placed and cools, when material cooled is to normal temperature, specified dimension is cut into again, by shaping ash wall body plate base material by sander sanding bottom surface and surface, then by the periphery mortice opening of ash wall body plate by stapling machine; Obtain brush wood ore deposit and mould hollow wall plate, the length of the hollow wall plate obtained is 600mm, and wide is 400mm, and thickness is 10mm; The width on the surface of the first hollow structure is 9mm, is highly 5mm; The face width of the second hollow structure is 5mm, is highly 3mm; The degree of depth of the opening end of described serrated slot is 1mm; The length of the first limiting section is 600mm, and wide is 4mm, and thickness is 3mm; The length of limited impression is 600mm, and wide is 4mm, and thickness is 3mm.
The present invention carries out the test of thermal conductivity to brush wood mineral Plastic composite material prepared by the present embodiment 3 according to the measuring technology scheme of heat conductivility described in technique scheme, test result is: the thermal conductivity of brush wood mineral Plastic composite material prepared by the embodiment of the present invention 3 is 16.5W/ (m DEG C).
The present invention carries out examination of infrared spectrum to obtained brush wood mineral Plastic composite material, and see Fig. 5, wherein, curve WMPC15 is the infrared spectrogram that embodiment 3 adds mineral Plastic composite material prepared by 15% brush wood powder.As seen from Figure 5: at 1395.05cm -1and 711.53cm -1absorption peak place, absorption peak absorption intensity increases, and absorption peak width broadens, and is owing to joining in mineral Plastic composite material when brush wood powder, producing hydrogen bond action, cause absorption peak absorption intensity to increase in high temperature extrusion with other polar groups.
The present invention tests according to the mechanical property of testing method described in technique scheme to obtained brush wood mineral Plastic composite material, the results are shown in Table 1.
Test result shows: brush wood mineral prepared by the present invention is moulded and closed material and decorate its quality product for floor base material and all exceed national standard architectural decoration and mould wooden combined wall board QB/T2630-2010 and measure MOR (MOR >=24MPa) and the performance index such as Deflection Modulus of Elasticity (>=2300MPa).
The present invention's testing method brush wood mineral Plastic composite material to preparation according to technique scheme carries out the test of burst size of methanal and hygroscopic property, and test result is in table 2.Test result shows: the expansion rate of water absorption of brush wood mineral Plastic composite material is all very little, and burst size of methanal reaches international E 0(E 0≤ 0.5mg/L) grade standard, there is environmental-protecting performance, greatly improve the work situation of workman.
As seen from the above embodiment, the invention provides a kind of brush wood mineral Plastic composite material, comprise base-material and brush wood powder; Described base-material comprises polyvinyl chloride (PVC) RESINS and particle diameter is 200 order ~ 1800 object light calcium carbonates; Described polyvinyl chloride (PVC) RESINS and particle diameter are the mass ratio of 200 order ~ 1800 object light calcium carbonates is 1:2.5 ~ 3.5; The massfraction that described brush wood powder accounts for described base-material is 5% ~ 16%.Brush wood mineral Plastic composite material provided by the invention has higher dimensional stability and thermal conductivity under the compatibility of said components.In addition, this brush wood mineral Plastic composite material has good water tolerance, good intensity, lower burst size of methanal.Experimental result shows: the dimensional stability of brush wood mineral Plastic composite material provided by the invention is 0.03 ~ 0.08mm; Thermal conductivity is 12 ~ 20W/ (m DEG C); MOR is 30 ~ 45MPa; Young's modulus is 5500 ~ 8000MPa; Burst size of methanal is 0.1 ~ 0.4mg/L; 24h expansion rate of water absorption is 0.3 ~ 0.6%.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (10)

1. a brush wood mineral Plastic composite material, comprises base-material and brush wood powder;
Described base-material comprises polyvinyl chloride (PVC) RESINS and particle diameter is 200 order ~ 1800 object light calcium carbonates, and described polyvinyl chloride (PVC) RESINS and particle diameter are the mass ratio of 200 order ~ 1800 object light calcium carbonates is 1:2.5 ~ 3.5;
The massfraction that described brush wood powder accounts for described base-material is 5% ~ 16%.
2. brush wood mineral Plastic composite material according to claim 1, is characterized in that, the particle diameter of described brush wood powder is 60 order ~ 120 orders.
3. brush wood mineral Plastic composite material according to claim 1, is characterized in that, the water ratio of described brush wood powder is less than or equal to 5%.
4. brush wood mineral Plastic composite material according to claim 1, is characterized in that, the trade mark of described polyvinyl chloride (PVC) RESINS comprise in SG-4, SG-5 and SG-8 one or more.
5. brush wood mineral Plastic composite material according to claim 1, is characterized in that, described brush wood mineral Plastic composite material also comprises the water-ground limestone that particle diameter is 10nm ~ 100nm;
Described particle diameter is the massfraction that the water-ground limestone of 10nm ~ 100nm accounts for base-material is 0.2% ~ 0.6%.
6. brush wood mineral Plastic composite material according to claim 5, is characterized in that, described brush wood mineral Plastic composite material also comprises auxiliary agent;
The massfraction that described auxiliary agent accounts for described base-material is 10% ~ 15%.
7. brush wood mineral Plastic composite material according to claim 6, is characterized in that, described auxiliary agent comprise in thermo-stabilizer, ethene plasticising toughner, stearic acid and polyethylene wax one or more.
8. a preparation method for brush wood mineral Plastic composite material described in claim 1 ~ 7 any one, comprises the following steps:
Be that 200 order ~ 1800 object light calcium carbonates are mixing by brush wood powder, polyvinyl chloride (PVC) RESINS and particle diameter, extrude, obtain brush wood mineral Plastic composite material.
9. the brush wood mineral Plastic composite material that prepared by preparation method described in brush wood mineral Plastic composite material described in claim 1 ~ 7 any one or claim 8 any one is preparing the application in hollow wall plate.
10. application according to claim 9, is characterized in that, described hollow wall plate comprises hollow wall plate body, and described hollow wall plate body interior is provided with several the first hollow structures;
And limited impression is provided with on the relative side, two sides of described hollow wall plate body, opposite side is provided with the spacing preiection with described limited impression adaptation, described spacing preiection comprises the second limiting section that the first limiting section and two ends are communicated with described first limiting section with described hollow wall plate body respectively, and described second limiting section inside is provided with several the second hollow structures.
CN201510639619.1A 2015-09-30 2015-09-30 Mineral brush wood-plastic composite material, preparation method and applications thereof Pending CN105237904A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009096877A (en) * 2007-10-17 2009-05-07 Nippon Zeon Co Ltd Vinyl chloride-based resin composition
CN104072908A (en) * 2013-09-26 2014-10-01 吉林吉瑞莱板材科技有限公司 Diatomite calcium plastic sheet and production method thereof
CN104744858A (en) * 2015-04-21 2015-07-01 吉林省林业科学研究院 Corn straw mineral plastic merge material and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009096877A (en) * 2007-10-17 2009-05-07 Nippon Zeon Co Ltd Vinyl chloride-based resin composition
CN104072908A (en) * 2013-09-26 2014-10-01 吉林吉瑞莱板材科技有限公司 Diatomite calcium plastic sheet and production method thereof
CN104744858A (en) * 2015-04-21 2015-07-01 吉林省林业科学研究院 Corn straw mineral plastic merge material and preparation method thereof

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