CN101696325A - Light wood plastic composite material and preparation method thereof - Google Patents
Light wood plastic composite material and preparation method thereof Download PDFInfo
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- CN101696325A CN101696325A CN200910044650A CN200910044650A CN101696325A CN 101696325 A CN101696325 A CN 101696325A CN 200910044650 A CN200910044650 A CN 200910044650A CN 200910044650 A CN200910044650 A CN 200910044650A CN 101696325 A CN101696325 A CN 101696325A
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Abstract
The invention discloses a light wood plastic composite material. The invention is characterized in that: the composite material is a mixture which consists of the following components in part by weight: 5-30 parts of inorganic filler, 20-80 parts of organic filler, 20-50 parts of thermoplastic resin, 3-5 parts of composite modifier of terminal amino polyhydroxy alcohol ester and 3-6 parts of aliphatic hydrocarbon resin mixture, wherein the inorganic filler is one or more of calcium carbonate, kaoline, French chalk, coal ash and beading; and the organic filler is wood fiber or non-wood vegetable fibre. The light wood plastic composite material has the advantages of a wide application range, excellent processing performance and environment-friendly performance, and capability of recycling repeatedly, greatly reducing production cost, saving power consumption and improving physicochemical property of the product.
Description
Technical field
The invention belongs to the combination of chemical field and high-frequency dielectric heat treated, relate to a kind of light wood plastic composite material and preparation method thereof
Background technology
Raising along with people's material life, house decoration causes a large amount of artificial boards that use in the decorations process day by day usually, particularly present natural timber is in short supply day by day, the increase that causes artificial board to use more and since use in Wood-based Panel Production and the use to contain the indoor environmental pollution problem that the glutol stick brings serious day by day.
The development of technology and novel material, the use of plastics in people's daily life is more and more general, consumption is increasing, because plastics belong to macromolecular material, be difficult to short period of time natural degradation in physical environment, plastics waste plastic when bringing convenience to people's lives also becomes public hazards day by day thus, has destroyed ecotope.Many patents and technology report have proposed several different methods to the utilization again of waste plastic both at home and abroad, but because also there is a suitable difficult problem in the waste plastic goods in the recycling process, such as, the articles for daily use that plastics are made, utensil etc. all be by multi-part, different plastics variety (PE PVC PP ABS PS etc.) constitute, in the waste plastic removal process,, bring limitation therefore for the recycling of waste plastic because limitations such as cost recovery, recovery technology are difficult to they are distinguished fully.
Simultaneously also because a large amount of uses of wood-based plate also bring pressure to the forest reserves to a certain extent, though, the manufacturing of middle low density fiberboard and shaving board is used from utilization ratio that has improved timber resources to a great extent and the utilization of having expanded non-wood, but, the tackiness agent that density board and shaving board use contains aldehyde glue because still belonging to, the free formaldehyde release of its finished product sheet material both brought pollution to indoor environment greatly, simultaneously because urea-formaldehyde resin does not belong to water-fast glue yet, so it is exactly water-swelling that in use there are maximum defective in density board and shaving board, its use has been limited in distortion even damage.
Although at present internal and international have many patents and report to propose, utilize waste plastic and wooden and non-wood filler manufacturing Wood-plastic material, it has timber and the ambilateral advantage of plastics, such as waterproof, anticorrosion, anti-ly damage by worms, characteristics such as indeformable and processing characteristics is superior.But owing to be confined to the utilization of unitary plastic kind reclaimed materials, add and adopt traditional conduction heating technology (such as heat-conducting oil heating and thermopair heating), cause processing consumptions such as power consumption, cooling water owing to thermo-efficiency is low big, cost increases apparent huge, thereby the market that influences product is accepted, and can not get promoting widely and using; Also because the thermal inertia that the conduction torrid zone is come makes that greatly the wood plastic composite unrelieved stress is big, cause the product stress deformation to influence the product sensory quality easily simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of adaptation material extensive, light wood plastic composite material that the technology cost is low and preparation method thereof.
The objective of the invention is to be achieved through the following technical solutions:
For achieving the above object, the present invention is by the following technical solutions: a kind of light wood plastic composite material, it is characterized in that: be the mixture that mineral filler, organic filler, thermoplastic resin, end amido polyhydric alcohol ester composite modifier, aliphatic hydrocarbon resin mixture are formed, described each composition weight ratio is as follows: 5～30 parts of mineral fillers, 20～80 parts of organic fillers, 20～50 parts of thermoplastic resins, 3～5 parts of end amido polyhydric alcohol ester composite modifiers, 3～6 parts in aliphatic hydrocarbon resin mixture; Wherein mineral filler is one or more in lime carbonate, kaolin, talcum powder, flyash, the granulated glass sphere, and organic filler is wood fibre or non-lignocellulose plant fibre.
Described each composition weight ratio is preferably as follows: 10～20 parts of mineral fillers, 40～70 parts of organic fillers, 30～50 parts of thermoplastic resins of recovery, 3～5 parts of end amido polyhydric alcohol ester composite modifiers, 3～6 parts in aliphatic hydrocarbon resin mixture.
Described mineral filler can be processed into nano sized particles more than 600 orders by ball mill etc.
Described organic filler is wood fibre or non-lignocellulose plant fibre, comprises wood working residue waste, straw, rice husk etc., can further be processed into 80～120 purpose powders by pulverizer.
Described thermoplastic resin is a general-purpose plastics, as: one or more virgin materials or reclaimed materials such as PE, PP, PS, PVC, ABS, can further adopt plastic grinder to make 60～80 order particles.
Described end amido polyhydric alcohol ester composite modifier is that commercially available JL～MS01 contains the more function group structural compounds that replaces the many anchoring groups of end amido polyhydric alcohol ester class, advances to be white meal that its melt temperature is more than or equal to 50 ℃.
Described aliphatic hydrocarbon resin mixture is commercially available 60NSF, is light meal, and its drippage point is 95～105 ℃.
The preparation method of described light wood plastic composite material is as follows: 1. take by weighing mineral filler, organic filler, thermoplastic resin, end amido polyhydric alcohol ester composite modifier, aliphatic hydrocarbon resin mixture according to the above ratio; 2. mineral filler is processed into powder by ball milling, the organic filler grinding and processing becomes powder, then by high-speed mixer high-speed mixing under 900～1200r/min; The end amido polyhydric alcohol ester that 3. will take by weighing respectively, thermoplastic resin and aliphatic hydrocarbon resin mixture add high-speed mixer, set 130 ℃ of unlatching heating units of oil temperature, and with mixture high-speed mixing to 150 ℃, mixing time is 20～25mins; 4. extrude after mixture being handled by high frequency heat or calendering formation, handle postmenstruation and make wood plastic product again.
It is extensive that the present invention makes light wood plastic composite material adaptation material, and its processing characteristics and environmental-protecting performance are excellent and can repeatedly repeat the regeneration use, can significantly reduce production costs, and energy efficient improves the product physical and chemical performance.
Embodiment
The invention will be further described according to specific embodiment below:
Embodiment 1:
Prepare raw material by following weight ratio: 600 kilograms of wood powders, light calcium carbonate powder 120 kg, 400 kilograms of thermoplastic resins of recovery, 36 kilograms of end amido polyhydric alcohol esters, 44 kilograms in aliphatic hydrocarbon resin mixture.To open mixing machine in 900～1200r/min high-speed mixing in wood powder, the light calcium carbonate powder adding high-speed mixer; In 36 kilograms of adding high-speed mixers of end amido polyhydric alcohol ester that will take by weighing again; In high-speed mixer, add to reclaim 44 kilograms in 400 kilograms of thermoplastic resins and aliphatic hydrocarbon resin mixture, set 130 ℃ of unlatching heating units of oil temperature, with mixture high-speed mixing to 150 ℃, about 20～25mins discharging; Mixture is moved in the high frequency press, and hot pressing 5～9mins under the pressure condition of 5～10mpa behind pressurize cooling 10～20mins, makes sheet material through rolling press setting cooling again; Or high frequency heat is handled 5mins under the pressure condition of 5～10mpa, makes section bar after forcing machine is extruded at a high speed through the mould molding cooling shaping.
Embodiment 2
Prepare raw material by following weight ratio: 1300 kilograms of wood powders, 390 kilograms in light calcium carbonate powder, 1000 kilograms of thermoplastic resins of recovery, 79 kilograms of end amido polyhydric alcohol esters, 116 kilograms in aliphatic hydrocarbon resin mixture.To open mixing machine in 900～1200r/min high-speed mixing in wood powder, the light calcium carbonate powder adding high-speed mixer; In high-speed mixer, add 79 kilograms of end amido polyhydric alcohol esters; Reclaim 116 kilograms in 1000 kilograms of thermoplastic resins and aliphatic hydrocarbon resin mixture, set 130 ℃ of unlatching heating units of oil temperature, with mixture high-speed mixing to 150 ℃, about 20～25mins discharging; In the high frequency press with the mixture immigration, behind hot pressing 5～9mins under the pressure condition of 5～10mpa, make sheet material through rolling press setting cooling; Or high frequency heat is handled 5mins under the pressure condition of 5～10mpa, makes section bar after forcing machine is extruded at a high speed through the mould molding cooling shaping.
Claims (3)
1. light wood plastic composite material, it is characterized in that: be the mixture that mineral filler, organic filler, thermoplastic resin, end amido polyhydric alcohol ester composite modifier, aliphatic hydrocarbon resin mixture are formed, described each composition weight ratio is as follows: 5～30 parts of mineral fillers, 20～80 parts of organic fillers, 20～50 parts of thermoplastic resins, 3～5 parts of end amido polyhydric alcohol ester composite modifiers, 3～6 parts in aliphatic hydrocarbon resin mixture; Wherein mineral filler is one or more in lime carbonate, kaolin, talcum powder, flyash, the granulated glass sphere, and organic filler is wood fibre or non-lignocellulose plant fibre.
2. light wood plastic composite material according to claim 1 is characterized in that: described each composition weight ratio is as follows: 10～20 parts of mineral fillers, 40～70 parts of organic fillers, 30～50 parts of thermoplastic resins of recovery, 3～5 parts of end amido polyhydric alcohol ester composite modifiers, 3～6 parts in aliphatic hydrocarbon resin mixture.
3. the preparation method of the described light wood plastic composite material of claim 1 is characterized in that:
1. take by weighing mineral filler, organic filler, thermoplastic resin, end amido polyhydric alcohol ester composite modifier, aliphatic hydrocarbon resin mixture according to the above ratio; 2. mineral filler is processed into nano sized particles more than 600 orders by ball milling, the organic filler grinding and processing becomes 80～120 purpose powders, then by high-speed mixer high-speed mixing under 900～1200r/min; The end amido polyhydric alcohol ester that 3. will take by weighing respectively, thermoplastic resin and aliphatic hydrocarbon resin mixture add high-speed mixer, set 130 ℃ of unlatching heating units of oil temperature, and with mixture high-speed mixing to 150 ℃, mixing time is 20～25mins; 4. extrude after mixture being handled by high frequency heat or calendering formation, handle postmenstruation and make wood plastic product again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910044650A CN101696325A (en) | 2009-10-25 | 2009-10-25 | Light wood plastic composite material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910044650A CN101696325A (en) | 2009-10-25 | 2009-10-25 | Light wood plastic composite material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN101696325A true CN101696325A (en) | 2010-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910044650A Pending CN101696325A (en) | 2009-10-25 | 2009-10-25 | Light wood plastic composite material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107099160A (en) * | 2017-06-13 | 2017-08-29 | 安徽淮宿建材有限公司 | A kind of fade resistant Wood plastic wall board |
-
2009
- 2009-10-25 CN CN200910044650A patent/CN101696325A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107099160A (en) * | 2017-06-13 | 2017-08-29 | 安徽淮宿建材有限公司 | A kind of fade resistant Wood plastic wall board |
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Open date: 20100421 |