CN105062109A - Anti-bacterial and mould-proof wood-plastic composite - Google Patents
Anti-bacterial and mould-proof wood-plastic composite Download PDFInfo
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- CN105062109A CN105062109A CN201510427811.4A CN201510427811A CN105062109A CN 105062109 A CN105062109 A CN 105062109A CN 201510427811 A CN201510427811 A CN 201510427811A CN 105062109 A CN105062109 A CN 105062109A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses anti-bacterial and mould-proof wood-plastic composite. The composite comprises components in parts by weight as follows: 10-20 parts of hollow microspheres, 3-8 parts of a powdery inorganic antibacterial agent, 10-40 parts of a plastic recycling material, 1-2 parts of maleic anhydride, 1-2 parts of light calcium carbonate, 0.5-3.5 parts of polyethylene wax, 0.5-1.5 parts of stearic acid, 10-30 parts of wood flour, 20-40 parts of a plant fiber material and 0.5-1.5 parts of a dispersion compatilizer. The hollow microspheres obtained after calcination of coal ash as well as the inorganic antibacterial agent is added to the raw materials, the antibacterial and mould-proof performance of the composite is remarkably improved, the composite has good antibacterial performance especially for common staphylococcus aureus and escherichia coli, besides, the water absorption rate of the wood-plastic composite is remarkably reduced, the waterproof performance is substantially improved, and the prepared wood-plastic composite has good physical performance such as high mechanical strength, elasticity modulus, water resistance, heat resistance and the like. The composite is suitable for being used as a raw material for outdoor building rails, wood-plastic bottom plates, furniture and the like and especially a product raw material with higher requirements for mould-proof and algae-proof performance and cleanness.
Description
Technical field
The present invention relates to a kind of Wood-plastic material, relate in particular to a kind of wood plastic composite with antibacterial and mouldproof effect.
Background technology
Wood-plastic material is the class advanced composite material be surging forward both at home and abroad in recent years, mainly with plastics (waste or used plastics that polypropylene (PP), polyethylene (PE), polyvinyl chloride (PVC) etc. reclaim) for raw material, new wood materials is mixed into by adding the useless vegetable fibres such as wood powder, rice husk, stalk, again through plastic processings such as extruding, mold pressing, injection moldings, the sheet material produced or section bar, be mainly used in the industries such as building materials, furniture, logistics packaging.The basis of Wood-plastic material is plastics and wood fibre, combine the plurality of advantages of vegetable fibre and macromolecular material, which dictates that some characteristic himself simultaneously with plastics and timber, as good processing characteristics, excellent adjustable and longer work-ing life, the most important thing is, Wood-plastic material can be turned waste into wealth, and can 100% reclaiming produce, the floor that Wood-plastic material obtains both had maintained the affinity sensation of solid wooden floor board, there is again the physicalies such as good protection against the tide is water-fast, timber can be substituted in a large number, can effectively alleviate China's Forest Resources poor, the contradiction that wood supply is in short supply.
Although Wood-plastic material has plurality of advantages, also there are some shortcomings in Wood-plastic material, and Wood-plastic material easily goes mouldy corrosion in wet condition, affects its outward appearance and work-ing life; Wood fibre in material is rich in moisture, easy breed bacteria, causes material property deterioration; In addition because Wood-plastic material is composited by the higher lignocellulose of polarity and the lower macromolecular material of polarity, easily there is lignocellulose dispersion inequality at the contact surface that polarity difference is larger and reunite, it is bad that stress is transmitted at interface, thus cause the physical properties such as material mechanical performance, water tolerance poor, constrain development and the application of material.
Summary of the invention
For this reason, technical problem to be solved by this invention is that existing Wood-plastic material easily goes mouldy, breed bacteria, cause material property deterioration, and the physical propertiess such as Wood-plastic material mechanical property, water tolerance is not good thus propose a kind of antibacterial and mouldproof Wood-plastic material.
For solving the problems of the technologies described above, technical scheme of the present invention is:
The invention provides a kind of antibacterial and mouldproof Wood-plastic material, with parts by weight, comprise following component:
Cenosphere 10-20 part, powdery inorganic antiseptic-germicide 3-8 part, plastics recovery material 10-40 part, maleic anhydride 1-2 part, light calcium carbonate 1-2 part, polyethylene wax 0.5-3.5 part, stearic acid 0.5-1.5 part, wood powder 10-30 part, sponge 20-40 part, dispersion compatilizer 0.5-1.5 part.
As preferably, described antibacterial and mouldproof Wood-plastic material, with parts by weight, comprises following component: cenosphere 12-18 part, powdery inorganic antiseptic-germicide 4-6 part, plastics recovery material 20-30 part, maleic anhydride 1.2-1.8 part, light calcium carbonate 1.3-1.7 part, polyethylene wax 1-3 part, stearic acid 0.8-1.2 part, wood powder 15-25 part, sponge 25-35 part, dispersion compatilizer 0.8-1.2 part.
As preferably, described cenosphere is the Al obtained after flyash calcining
2o
3and SiO
2hollow cenosphere, the particle diameter of described cenosphere is 15-10 μm.
As preferably, described powdery inorganic antiseptic-germicide is permutite, silver-containing inorganic salt or containing one or more of zinc inorganic salt, particle diameter is 1-2 μm.
As preferably, described plastics recovery material is selected from one or more in high density polyethylene(HDPE), high density poly propylene and high-density polyvinyl chloride, and the molecular weight of described plastics recovery material is 20-50 ten thousand, and particle diameter is 3-5mm.
As preferably, the molecular weight of described polyethylene wax is 500-1000, and particle diameter is 5-6.5 μm.
As preferably, described sponge is corn, cotton, wheat, one or more in potato stalk through the materials pulverized, drying treatment obtains, particle diameter is 0.1-1mm.
As preferably, described dispersion compatilizer is HD-2099 or HI-406.
As preferably, the particle diameter of described wood powder is 0.5-2mm.
The present invention also provides a kind of method preparing described antibacterial and mouldproof Wood-plastic material, comprises the steps:
(1) flyash is calcined 2-4 minute at 800-1000 DEG C, obtain cenosphere;
(2) described cenosphere, powdery inorganic antiseptic-germicide, plastics recovery material, maleic anhydride, light calcium carbonate, polyethylene wax, stearic acid, wood powder, sponge and dispersion compatilizer are placed in mixer batch mixing 8-12min at 100-140 DEG C, obtain composite grain;
(3) described composite grain is added twin screw extruder, extruder screw rotating speed be 13-18r/min, extrusion temperature be the condition of 170-185 DEG C under extrusion moulding, obtain described antibacterial and mouldproof Wood-plastic material.
Technique scheme of the present invention has the following advantages compared to existing technology: antibacterial and mouldproof Wood-plastic material provided by the present invention, the cenosphere after flyash calcining and powdery inorganic antiseptic-germicide is added in raw material, significantly improve the antibacterial and mouldproof performance of wood plastic composite, particularly to common streptococcus aureus and intestinal bacteria, anti-microbial property is good, the water-intake rate of described Wood-plastic material significantly reduces simultaneously, water resistance is largely increased, and obtained Wood-plastic material possesses good physicals, as high strength, Young's modulus, water tolerance, thermotolerance etc.Be suitable as outdoor building fence, raw material that wood moulds base plate, furniture etc., particularly to the anti-algae property of mildew-resistant and the higher products material of purity requirements, obtained product performance are excellent, with low cost.
Embodiment
In order to make content of the present invention be more likely to be clearly understood, the present invention is further detailed explanation according to a particular embodiment of the invention below.
Embodiment 1
Present embodiments provide a kind of antibacterial and mouldproof Wood-plastic material, with parts by weight, comprise following component:
The Al obtained after flyash calcining
2o
3and SiO
2cenosphere 10 parts, particle diameter is 10 μm; Powdery permutite inorganic antiseptic 8 parts, particle diameter is 1 μm; Molecular weight is the high-density polyethylene plastics reclaimed materials 10 parts of 200,000, and particle diameter is 3mm; Maleic anhydride 2 parts, light calcium carbonate 1 part, molecular weight is the polyethylene wax 3.5 parts of 500, and particle diameter is 5 μm; Stearic acid 0.5 part; Wood powder 30 parts, particle diameter is 0.5mm; Maize straw is through the filamentary material 20 parts pulverized, drying treatment obtains, and particle diameter is 0.1mm; HD-2099 disperses compatilizer 1.5 parts.
The preparation method of described antibacterial and mouldproof Wood-plastic material comprises the steps:
(1) flyash is calcined 2 minutes at 800 DEG C, obtain cenosphere;
(2) disperse compatilizer to be placed in mixer batch mixing 8min at 100 DEG C described cenosphere, powdery permutite inorganic antiseptic, high-density polyethylene plastics reclaimed materials, maleic anhydride, light calcium carbonate, polyethylene wax, stearic acid, wood powder, corn stalk fiber material and HD-2099, obtain composite grain;
(3) described composite grain is added twin screw extruder, extruder screw rotating speed be 13r/min, extrusion temperature be the condition of 170 DEG C under extrusion moulding, obtain described antibacterial and mouldproof Wood-plastic material.
Embodiment 2
Present embodiments provide a kind of antibacterial and mouldproof Wood-plastic material, with parts by weight, comprise following component:
The Al obtained after flyash calcining
2o
3and SiO
2cenosphere 20 parts, particle diameter is 15 μm; Powdered acid silver inorganic antiseptic 3 parts, particle diameter is 2 μm; Molecular weight is 40 parts, the high density poly propylene plastics recovery material of 500,000, and particle diameter is 5mm; Maleic anhydride 1 part, light calcium carbonate 2 parts, molecular weight is the polyethylene wax 0.5 part of 1000, and particle diameter is 6.5 μm; Stearic acid 1.5 parts; Wood powder 10 parts, particle diameter is 2mm; Wheat and potato stalk are through the filamentary material 40 parts pulverized, drying treatment obtains, and particle diameter is 1mm; HD-2099 disperses compatilizer 0.5 part.
The preparation method of described antibacterial and mouldproof Wood-plastic material comprises the steps:
(1) flyash is calcined 4 minutes at 1000 DEG C, obtain cenosphere;
(2) disperse compatilizer to be placed in mixer batch mixing 12min at 140 DEG C described cenosphere, powdered acid silver inorganic antiseptic, high density poly propylene plastics recovery material, maleic anhydride, light calcium carbonate, polyethylene wax, stearic acid, wood powder, wheat and potato stem fibric material and HD-2099, obtain composite grain;
(3) described composite grain is added twin screw extruder, extruder screw rotating speed be 18r/min, extrusion temperature be the condition of 185 DEG C under extrusion moulding, obtain described antibacterial and mouldproof Wood-plastic material.
Embodiment 3
Present embodiments provide a kind of antibacterial and mouldproof Wood-plastic material, with parts by weight, comprise following component:
The Al obtained after flyash calcining
2o
3and SiO
2cenosphere 15 parts, particle diameter is 12 μm; Powdered acid zinc inorganic antiseptic 2 parts, INORGANIC ANTIBACTERIAL AGENT OF SILVER MOLYBDATE 3 parts, particle diameter is 1.5 μm; Molecular weight is high-density polyethylene plastics reclaimed materials 10 parts, the high-density igelite reclaimed materials 15 parts of 300,000, and particle diameter is 4mm; Maleic anhydride 1.5 parts, light calcium carbonate 1.5 parts, molecular weight is the polyethylene wax 2 parts of 800, and particle diameter is 6 μm; Stearic acid 1 part; Wood powder 20 parts, particle diameter is 1mm; Cotton stalk is through the filamentary material 30 parts pulverized, drying treatment obtains, and particle diameter is 0.5mm; HI-406 disperses compatilizer 1 part.
The preparation method of described antibacterial and mouldproof Wood-plastic material comprises the steps:
(1) flyash is calcined 3 minutes at 900 DEG C, obtain cenosphere;
(2) disperse compatilizer to be placed in mixer batch mixing 10min at 120 DEG C described cenosphere, powdered acid zinc inorganic antiseptic, INORGANIC ANTIBACTERIAL AGENT OF SILVER MOLYBDATE, high-density polyethylene plastics reclaimed materials, high-density igelite reclaimed materials, maleic anhydride, light calcium carbonate, polyethylene wax, stearic acid, wood powder, producing fibre from cotton stalk material and HI-406, obtain composite grain;
(3) described composite grain is added twin screw extruder, extruder screw rotating speed be 15r/min, extrusion temperature be the condition of 180 DEG C under extrusion moulding, obtain described antibacterial and mouldproof Wood-plastic material.
Embodiment 4
Present embodiments provide a kind of antibacterial and mouldproof Wood-plastic material, with parts by weight, comprise following component:
The Al obtained after flyash calcining
2o
3and SiO
2cenosphere 12 parts, particle diameter is 13 μm; Powdery permutite inorganic antiseptic 3 parts, 3 parts, Silver Nitrate inorganic antibacterial powder, particle diameter is 1.5 μm; Molecular weight is the high-density polyethylene plastics reclaimed materials 10 parts of 300,000,10 parts, high density poly propylene plastics recovery material, and particle diameter is 4mm; Maleic anhydride 1.8 parts, light calcium carbonate 1.3 parts, molecular weight is the polyethylene wax 3 parts of 800, and particle diameter is 5.5 μm; Stearic acid 0.8 part; Wood powder 25 parts, particle diameter is 1.5mm; Corn, cotton stalk are through the filamentary material 25 parts pulverized, drying treatment obtains, and particle diameter is 0.6mm; HI-406 disperses compatilizer 1.2 parts.
The preparation method of described antibacterial and mouldproof Wood-plastic material comprises the steps:
(1) flyash is calcined 3 minutes at 850 DEG C, obtain hollow cenosphere;
(2) disperse compatilizer to be placed in mixer batch mixing 11min at 130 DEG C described cenosphere, powdery permutite inorganic antiseptic, Silver Nitrate inorganic antibacterial powder, high density polyethylene(HDPE), high density poly propylene plastics recovery material, maleic anhydride, light calcium carbonate, polyethylene wax, stearic acid, wood powder, corn, producing fibre from cotton stalk material and HI-406, obtain composite grain;
(3) described composite grain is added twin screw extruder, extruder screw rotating speed be 16r/min, extrusion temperature be the condition of 170 DEG C under extrusion moulding, obtain described antibacterial and mouldproof Wood-plastic material.
Embodiment 5
Present embodiments provide a kind of antibacterial and mouldproof Wood-plastic material, with parts by weight, comprise following component:
The Al obtained after flyash calcining
2o
3and SiO
2cenosphere 18 parts, particle diameter is 10 μm; Powdered acid zinc inorganic antiseptic 2 parts, Silver Nitrate inorganic antiseptic 2 parts, particle diameter is 2 μm; Molecular weight is the high-density igelite reclaimed materials 30 parts of 400,000, and particle diameter is 3.5mm; Maleic anhydride 1.2 parts, light calcium carbonate 1.7 parts, molecular weight is the polyethylene wax 1 part of 700, and particle diameter is 6.5 μm; Stearic acid 1.2 parts; Wood powder 15 parts, particle diameter is 1.5mm; Potato stalk is through the filamentary material 35 parts pulverized, drying treatment obtains, and particle diameter is 0.5mm; HD-2099 disperses compatilizer 0.8 part.
The preparation method of described antibacterial and mouldproof Wood-plastic material comprises the steps:
(1) flyash is calcined 4 minutes at 800 DEG C, obtain cenosphere;
(2) disperse compatilizer to be placed in mixer batch mixing 12min at 120 DEG C described cenosphere, powdered acid zinc inorganic antiseptic, Silver Nitrate inorganic antiseptic, high-density igelite reclaimed materials, maleic anhydride, light calcium carbonate, polyethylene wax, stearic acid, wood powder, potato stem fibric material and HD-2099, obtain composite grain;
(3) described composite grain is added twin screw extruder, extruder screw rotating speed be 14r/min, extrusion temperature be the condition of 185 DEG C under extrusion moulding, obtain described antibacterial and mouldproof Wood-plastic material.
Experimental example
1. measure according to extruding wood-plastic composite panel industry standard LY/T1613-2004 and standard GB/T 18580-2001 the technical indicator that advanced composite material moulded by microballon of the present invention wood, result is as shown in table 1:
Table 1
| Interventions Requested | Assay |
| Water ratio (%) | <2 |
| MOR (MPa) | 20 |
| Bending elastic modulus (MPa) | 1800 |
| Thickness swelling rate (%) | <1 |
| State after heating | Bubble-free, crackle, pit |
| Dimensional shrinkage under heat (%) | 2.5 |
2. detect the anti-microbial property of described antibacterial and mouldproof Wood-plastic material according to standard GB/T/T21510-2008, result is as shown in table 2:
Table 2
As can be seen from the above results, antibacterial and mouldproof Wood-plastic material of the present invention has excellent anti-microbial property to common streptococcus aureus and intestinal bacteria, after antibacterial and mouldproof Wood-plastic material earthquake 4h of the present invention, antibiotic rate can reach more than 99%, while possessing good antibacterial effect, described Wood-plastic material water-intake rate is low, water resistance is excellent in wet condition, simultaneously described microballon wood is moulded advanced composite material and is also had good mechanical property: high MOR, bending elastic modulus, intensity is large, good springiness, and resistance toheat is good, bubble-free after heating, crackle, the flaws such as pit, size changing rate is little, material is not yielding.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (10)
1. an antibacterial and mouldproof Wood-plastic material, is characterized in that, with parts by weight, comprises following component:
Cenosphere 10-20 part, powdery inorganic antiseptic-germicide 3-8 part, plastics recovery material 10-40 part, maleic anhydride 1-2 part, light calcium carbonate 1-2 part, polyethylene wax 0.5-3.5 part, stearic acid 0.5-1.5 part, wood powder 10-30 part, sponge 20-40 part, dispersion compatilizer 0.5-1.5 part.
2. antibacterial and mouldproof Wood-plastic material according to claim 1, is characterized in that, with parts by weight, comprise following component: cenosphere 12-18 part, powdery inorganic antiseptic-germicide 4-6 part, plastics recovery material 20-30 part, maleic anhydride 1.2-1.8 part, light calcium carbonate 1.3-1.7 part, polyethylene wax 1-3 part, stearic acid 0.8-1.2 part, wood powder 15-25 part, sponge 25-35 part, dispersion compatilizer 0.8-1.2 part.
3. antibacterial and mouldproof Wood-plastic material according to claim 1 and 2, is characterized in that, described cenosphere is the Al obtained after flyash calcining
2o
3and SiO
2cenosphere, the particle diameter of described cenosphere is 10-15 μm.
4. antibacterial and mouldproof Wood-plastic material according to claim 3, is characterized in that, described powdery inorganic antiseptic-germicide is permutite, silver-containing inorganic salt or containing one or more of zinc inorganic salt, particle diameter is 1-2 μm.
5. antibacterial and mouldproof Wood-plastic material according to claim 4, it is characterized in that, described plastics recovery material is selected from one or more in high density polyethylene(HDPE), high density poly propylene and high-density polyvinyl chloride, and the molecular weight of described plastics recovery material is 20-50 ten thousand, and particle diameter is 3-5mm.
6. antibacterial and mouldproof Wood-plastic material according to claim 5, is characterized in that, the molecular weight of described polyethylene wax is 500-1000, and particle diameter is 5-6.5 μm.
7. antibacterial and mouldproof Wood-plastic material according to claim 6, is characterized in that, described sponge is corn, cotton, wheat, cotton, one or more in potato stalk through the materials pulverized, drying treatment obtains, particle diameter is 0.1-1mm.
8. the antibacterial and mouldproof Wood-plastic material according to any one of claim 4-7, is characterized in that, described dispersion compatilizer is HD-2099 or HI-406.
9. antibacterial and mouldproof Wood-plastic material according to claim 8, is characterized in that, the particle diameter of described wood powder is 0.5-2mm.
10. prepare a method for the antibacterial and mouldproof Wood-plastic material described in any one of claim 1-9, it is characterized in that, comprise the steps:
(1) flyash is calcined 2-4 minute at 800-1000 DEG C, obtain cenosphere;
(2) described cenosphere, powdery inorganic antiseptic-germicide, plastics recovery material, maleic anhydride, light calcium carbonate, polyethylene wax, stearic acid, wood powder, sponge and dispersion compatilizer are placed in mixer batch mixing 8-12min at 100-140 DEG C, obtain composite grain;
(3) described composite grain is added twin screw extruder, extruder screw rotating speed be 13-18r/min, extrusion temperature be the condition of 170-185 DEG C under extrusion moulding, obtain described antibacterial and mouldproof Wood-plastic material.
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| CN105348613A (en) * | 2015-12-03 | 2016-02-24 | 梅庆波 | Preparation method for modified flyash/polyolefin wood-plastic composite |
| CN106084374A (en) * | 2016-06-12 | 2016-11-09 | 长兴中昊化工有限公司 | A kind of novel HDPE composite |
| CN106589995A (en) * | 2016-11-15 | 2017-04-26 | 安徽冠金绿可木业有限公司 | Decorative board with pest proof function |
| CN107652580A (en) * | 2017-10-23 | 2018-02-02 | 浙江天博新材料有限公司 | A kind of antibacterial high-strength wood-plastic clad plate and its preparation technology |
| CN107674343A (en) * | 2017-10-23 | 2018-02-09 | 浙江天博新材料有限公司 | A kind of antibacterial and mouldproof wood-plastic clad plate and its preparation technology |
| CN108546418A (en) * | 2018-03-15 | 2018-09-18 | 河南省现代农业研究院 | One kind being based on agricultural crop straw degradable macromolecule plank preparation method |
| CN109021393A (en) * | 2018-07-13 | 2018-12-18 | 安徽钰锦生态木材料有限公司 | A kind of mould-proof wood plastic new material and preparation method thereof |
| CN113429761A (en) * | 2021-08-19 | 2021-09-24 | 安徽银源环保科技有限公司 | Antibacterial degradable plastic, preparation method and application thereof |
| CN116063862A (en) * | 2023-03-03 | 2023-05-05 | 苏州大学 | Wood-plastic composite material based on ceramic microspheres and preparation method and application thereof |
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| CN116063862A (en) * | 2023-03-03 | 2023-05-05 | 苏州大学 | Wood-plastic composite material based on ceramic microspheres and preparation method and application thereof |
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