CN104804451A - Light wood-plastic compound material for outdoor use - Google Patents
Light wood-plastic compound material for outdoor use Download PDFInfo
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- CN104804451A CN104804451A CN201510198755.1A CN201510198755A CN104804451A CN 104804451 A CN104804451 A CN 104804451A CN 201510198755 A CN201510198755 A CN 201510198755A CN 104804451 A CN104804451 A CN 104804451A
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Abstract
The invention discloses a light wood-plastic compound material for outdoor use. The wood-plastic compound material comprises the following components in parts by weight: 50-60 parts of thermoplastic resin, 70-82 parts of plant fiber powder, 3-5 parts of maleic anhydride grafted polypropylene wax, 1-2 parts of aluminic acid ester, 1-2 parts of lead stearate, 0.5-1 part of oxidized polyethlene wax, 0.5-1.5 parts of dioctyl phthalate, 3-3.5 parts of an ultraviolet ray stabilizing agent, 1-2 parts of an antioxidant, 0.5-1 part of zinc borate and 1.2-2.0 parts of toners, wherein the plant fiber powder is the mixture of coconut hull powder, cottonseed hull powder and pinewood powder, and the use ratio of the coconut hull powder to the cottonseed hull powder to the pinewood powder is 5:2: (1-1.5); the thermoplastic resin is the mixture of polypropylene and polyvinyl chloride. According to the light wood-plastic compound material, the characteristic that the ultraviolet ray resistant properties of coconut hulls and cottonseed hulls are higher is used, and the coconut hulls, the cottonseed hulls and the thermoplastic resin are combined, so that the comprehensive properties of the wood-plastic compound material which is finally obtained are excellent; the use amount of the ultraviolet ray stabilizing agent in the formula of the raw materials is small, so that the application range of the wood-plastic compound material for outdoor use is extended, and the wood-plastic compound material has favorable processing properties.
Description
Technical field
The present invention relates to advanced composite material field, particularly relate to one and be applicable to outdoor use, the light wood plastic composite material of long service life.
Background technology
It is for main raw material with primary biomass materials such as sawdust, wood chip, bamboo bits, stalks that wood is moulded, utilize the feature of the macromolecule interfacial principles of chemistry and filling plastic modification, compounding a certain proportion of plastic matrix, through the shaping a kind of reversibility recycle of special process process post-treatment, contains wide, that product category is many, morphological structure is various basic material.
The composition of Wood-plastic material is varied, the production technique of itself also also exists larger change, wood plastic composite moulded by wood for open air use: because plastics itself easily the phenomenons such as aging occur in the sun, these problems also exist in wood plastic composite, wood plastic composite after aging can hardening, cracking, finally affects the work-ing life of integral material; Therefore one of operation steps of producing wood plastic composite indispensability is become by adding ultra-violet stabilizer in Wood-plastic material, and the meeting of a large amount of ultra-violet stabilizers affects the over-all properties of wood plastic composite, such as cause wood to mould to meet the mechanical properties decrease of material, the density of material monolithic increases, and material against oxidative and toughness decline etc.
Summary of the invention
For above-mentioned Problems existing, it is outstanding that the object of the invention is to provide a kind of over-all properties, is applicable to outdoor use, the light wood plastic composite material of long service life.
In order to achieve the above object, the technical solution used in the present invention is as follows: a kind of light wood plastic composite material of outdoor use, in described wood plastic composite, the parts by weight of each component are as follows: thermoplastic resin 50 ~ 60 parts, 70 ~ 82 parts, vegetable fibre powder, 3 ~ 5 parts, maleic anhydride inoculated polypropylene wax, Aluminate 1 ~ 2 part, lead stearate 1 ~ 2 part, oxidized polyethlene wax 0.5 ~ 1 part, dioctyl phthalate (DOP) 0.5 ~ 1.5 part, ultra-violet stabilizer 3 ~ 3.5 parts, 1 ~ 2 part, oxidation inhibitor and zinc borate 0.5 ~ 1 part, toner 1.2 ~ 2.0 parts; Described vegetable fibre powder is the mixture of coconut shell powder, cotton seed hulls powder and pine powder, and the amount ratio of wherein said coconut shell powder, cotton seed hulls powder and pine powder is 5:2:1 ~ 1.5; Described thermoplastic resin is the mixture of polypropylene and polyvinyl chloride, and the weight ratio of described polypropylene and polyvinyl chloride is 2:1.
Ultra-violet stabilizer of the present invention is the mixture of titanium oxide, O-hydroxyl-diphenyl ketone and phthalocyanine blue, and wherein the amount ratio of titanium oxide, O-hydroxyl-diphenyl ketone and phthalocyanine blue is 5:3:2.
Oxidation inhibitor of the present invention is the mixture of 2,6-tri-grades of butyl-4-methylphenols, three monooctyl esters and thio-2 acid dibasic acid esters, and wherein, the amount ratio of 6-tri-grades of butyl-4-methylphenols, three monooctyl esters and thio-2 acid dibasic acid esters is 3:2:1.
The particle of vegetable fibre powder of the present invention is the mixture of 1000 ~ 1200 object Exocarpium cocois (Cocos nucifera L) powder particles, cotton seed hulls powder particle and pine powder particle, and the water ratio of described vegetable fibre powder is no more than 12%.
The preparation method of the light wood plastic composite material of outdoor use of the present invention, its detailed preparation method is as follows:
1) placement of Exocarpium cocois (Cocos nucifera L), cotton seed hulls and pine waste material is tanned by the sun in the sun, in the process of tanning by the sun, its water ratio of test per hour, after water ratio is less than 20%, stopping is tanned by the sun, each component is put in the baking oven of 100 DEG C and carry out drying operation, after drying operation completes, ensure that the water ratio of each component is less than 10%;
2) Exocarpium cocois (Cocos nucifera L), cotton seed hulls and the pine waste material that will obtain in step 1), put in Material disintegrator according to the mass ratio of regulation, through repeatedly crushing operation, finally obtains 1000 ~ 1200 object mixed plant fiber dusts;
3) thermoplastic resin, maleic anhydride inoculated polypropylene wax, Aluminate and lead stearate are pressed corresponding proportion mixing, fully dry, add oxidized polyethlene wax grinding evenly, stir 1 ~ 2h, obtain mixed fillers;
4) ultra-violet stabilizer of corresponding proportion, oxidation inhibitor and zinc borate are added in whizzer stir 10min, add dioctyl phthalate (DOP) again under the rotating speed of 1000-1200r/min, stir 30min, after having stirred, carry out vacuum-drying, filtering screening obtains composite assistant;
5) by step 2) in obtain mixed fillers in the mixed plant fiber dust that obtains and step 3), and jointly add high mixer after the composite assistant mixing obtained in step 4), prior to 90 ~ 100 DEG C of mixing 30min, add all the other raw materials again, 120 ~ 130 DEG C of mixing 20min, add extrusion moulding in incorgruous conical-double-helical rod forcing machine subsequently, carry out surface treatment, obtain light wood plastic composite material.
In step 4) of the present invention, vacuum drying temperature 90 ~ 100 DEG C, the vacuum drying time is 3 ~ 3.5h.
The working temperature of incorgruous conical-double-helical rod forcing machine of the present invention is: I section: 150 ~ 170 DEG C; II section: 160 ~ 190 DEG C: III section: 170 ~ 195 DEG C: IV section: 180 ~ 195 DEG C; Machine head port mould section: 180 ~ 205 DEG C.The residence time of the material of each section is less than 3min.
The invention has the advantages that: the present invention is by adopting coconut shell powder, cotton seed hulls powder and pine powder are as the vegetable fibre powder stock of wood plastic composite, for the feature that the UV resistant performance of Exocarpium cocois (Cocos nucifera L) and cotton seed hulls itself is higher, by the combination of itself and thermoplastic resin, the wood plastic composite obtained itself has higher resistance to ultraviolet out of doors, simultaneously the cost purchased of raw material is lower, the over-all properties of the wood plastic composite finally obtained is outstanding, particularly composition of raw materials middle-ultraviolet lamp stabilizing agent dosage is less, ultra-violet stabilizer can not have an impact to other performances of product, therefore the product density finally obtained is less, there is higher water-fast and corrosion resistance nature high, long service life, improve the range of application of outdoor wood plastic composite, simultaneously material itself can recycling, there is good processing characteristics.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
embodiment 1:in a kind of light wood plastic composite material of outdoor use, the parts by weight of each component are as follows:
Thermoplastic resin 50 parts: wherein polypropylene 33.33 parts, polyvinyl chloride 16.67 parts, 70 parts, vegetable fibre powder: wherein coconut shell powder consumption 43.75 parts, 17.5 parts, cotton seed hulls powder, pine powder 8.75 parts, 3 parts, maleic anhydride inoculated polypropylene wax, Aluminate 1 part, lead stearate 1 part, oxidized polyethlene wax 0.5 part, dioctyl phthalate (DOP) 0.5 part, ultra-violet stabilizer 3 parts, 1 part, oxidation inhibitor and zinc borate 0.5 part, toner 1.2 parts; Described vegetable fibre powder is the mixture of coconut shell powder, cotton seed hulls powder and pine powder, and the amount ratio of wherein said coconut shell powder, cotton seed hulls powder and pine powder is 5:2:1; Described thermoplastic resin is the mixture of polypropylene and polyvinyl chloride, and the weight ratio of described polypropylene and polyvinyl chloride is 2:1.
embodiment 2:in a kind of light wood plastic composite material of outdoor use, the parts by weight of each component are as follows:
Thermoplastic resin 60 parts: wherein polypropylene 40 parts, polyvinyl chloride 20 parts, 82 parts, vegetable fibre powder: wherein coconut shell powder consumption 48.24 parts, 19.29 parts, cotton seed hulls powder, pine powder 14.47 parts, 5 parts, maleic anhydride inoculated polypropylene wax, Aluminate 2 parts, lead stearate 2 parts, oxidized polyethlene wax 1 part, dioctyl phthalate (DOP) 1.5 parts, ultra-violet stabilizer 3.5 parts, 2 parts, oxidation inhibitor and zinc borate 1 part, toner 2.0 parts; Described vegetable fibre powder is the mixture of coconut shell powder, cotton seed hulls powder and pine powder, and the amount ratio of wherein said coconut shell powder, cotton seed hulls powder and pine powder is 5:2:1.5; Described thermoplastic resin is the mixture of polypropylene and polyvinyl chloride, and the weight ratio of described polypropylene and polyvinyl chloride is 2:1.
embodiment 3:in a kind of light wood plastic composite material of outdoor use, the parts by weight of each component are as follows:
Thermoplastic resin 52 parts: wherein polypropylene 34.67 parts, polyvinyl chloride 17.33 parts, 80 parts, vegetable fibre powder: wherein coconut shell powder consumption 48.78 parts, 19.51 parts, cotton seed hulls powder, pine powder 11.71 parts, 4 parts, maleic anhydride inoculated polypropylene wax, Aluminate 1.5 parts, lead stearate 1.5 parts, oxidized polyethlene wax 0.8 part, dioctyl phthalate (DOP) 1 part, ultra-violet stabilizer 3.2 parts, 1.2 parts, oxidation inhibitor and zinc borate 0.9 part, toner 1.5 parts; Described vegetable fibre powder is the mixture of coconut shell powder, cotton seed hulls powder and pine powder, and the amount ratio of wherein said coconut shell powder, cotton seed hulls powder and pine powder is 5:2:1.2; Described thermoplastic resin is the mixture of polypropylene and polyvinyl chloride, and the weight ratio of described polypropylene and polyvinyl chloride is 2:1.
embodiment 4:in a kind of light wood plastic composite material of outdoor use, the parts by weight of each component are as follows:
Thermoplastic resin 57 parts, wherein polypropylene 38 parts, polyvinyl chloride 19 parts, 75 parts, vegetable fibre powder: wherein coconut shell powder consumption 44.64 parts, 17.86 parts, cotton seed hulls powder, pine powder 12.5 parts, 3.5 parts, maleic anhydride inoculated polypropylene wax, Aluminate 1.2 parts, lead stearate 1.4 parts, oxidized polyethlene wax 0.6 part, dioctyl phthalate (DOP) 0.6 part, ultra-violet stabilizer 3.4 parts, 1.8 parts, oxidation inhibitor and zinc borate 0.7 part, toner 2.0 parts; Described vegetable fibre powder is the mixture of coconut shell powder, cotton seed hulls powder and pine powder, and the amount ratio of wherein said coconut shell powder, cotton seed hulls powder and pine powder is 5:2:1.4; Described thermoplastic resin is the mixture of polypropylene and polyvinyl chloride, and the weight ratio of described polypropylene and polyvinyl chloride is 2:1.
embodiment 5:the production formula of embodiments of the invention 1-4 and commercially available normal wood plastic composite materials are carried out simultaneous test, and the result of simultaneous test is as shown in the table:
Can be drawn by upper table; The anti-ultraviolet property aspect of light wood-plastic material of the present invention is identical with common outdoor Wood-plastic material, simultaneously due to other similar light wood-plastic materials, and the density of material itself is less, usage range is wider, material is out of doors under environment, and particularly under hot environment, size changing rate is less, meets high-level building demand, the absorption rate of expansion of material itself is less than 1% simultaneously, meets the demand of various light-weight building.
embodiment 6:the preparation method of the light wood plastic composite material of outdoor use of the present invention, its detailed preparation method is as follows:
1) placement of Exocarpium cocois (Cocos nucifera L), cotton seed hulls and pine waste material is tanned by the sun in the sun, in the process of tanning by the sun, its water ratio of test per hour, after water ratio is less than 20%, stopping is tanned by the sun, each component put in the baking oven of 100 DEG C and carry out drying operation, after drying operation completes, the water ratio of each component is 8.5%;
2) Exocarpium cocois (Cocos nucifera L), cotton seed hulls and the pine waste material that will obtain in step 1), put in Material disintegrator according to the mass ratio of regulation, through repeatedly crushing operation, finally obtains 1150 object mixed plant fiber dusts;
3) thermoplastic resin, maleic anhydride inoculated polypropylene wax, Aluminate and lead stearate are pressed corresponding proportion mixing, fully dry, add oxidized polyethlene wax grinding evenly, stir 1 ~ 2h, obtain mixed fillers;
4) ultra-violet stabilizer of corresponding proportion, oxidation inhibitor and zinc borate are added in whizzer stir 10min, add dioctyl phthalate (DOP) again under the rotating speed of 1000-1200r/m, stir 30min, after stirring completes, carry out vacuum-drying, vacuum drying temperature 90 ~ 100 DEG C, the vacuum drying time is 3 ~ 3.5h; Filtering screening obtains composite assistant;
5) by step 2) in obtain mixed fillers in the mixed plant fiber dust that obtains and step 3), and jointly add high mixer after the composite assistant mixing obtained in step 4), prior to 90 ~ 100 DEG C of mixing 30min, add all the other raw materials again, 120 ~ 130 DEG C of mixing 20min, add extrusion moulding in incorgruous conical-double-helical rod forcing machine subsequently, the working temperature of incorgruous conical-double-helical rod forcing machine of the present invention is: I section: 150 ~ 170 DEG C; II section: 160 ~ 190 DEG C: III section: 170 ~ 195 DEG C: IV section: 180 ~ 195 DEG C; Machine head port mould section: 180 ~ 205 DEG C.The residence time of the material of each section is less than 3min; Finally carry out surface treatment, obtain light wood plastic composite material.
embodiment 7:the different working conditions that embodiments of the invention 6 carry out production technique are carried out simultaneous test, and the performance of the product obtained under drawing different working condition is as shown in the table:
Can be drawn by upper table, in production process, the water ratio of vegetable fibre powder, particle diameter and the machine head port mould section drop temperature of mixed plant fiber dust all can have an impact to the performance that product is final, the water ratio of plant have impact on final densities and the flexural strength of product, and the diameter of mixed plant fiber dust particle affects the thermotolerance of the finished product and the velocity of variation of the rear size of heating, machine head port mould section drop temperature then can produce certain impact to the density of product and weathering resistance, therefore when in the scope that production technique is in restriction of the present invention, namely vegetable fibre powder water ratio is less than or equal to 10%, vegetable fibre powder particle diameter 1000 ~ 1200 order, during machine head port mould section drop temperature 180 ~ 205 DEG C, the over-all properties of the product finally obtained is better, meet the Production requirement of different process.
It should be noted that, above-mentioned is only preferred embodiment of the present invention, is not used for limiting protection scope of the present invention, and equivalents done on the basis of above-described embodiment all belongs to protection scope of the present invention.
Claims (7)
1. the light wood plastic composite material of an outdoor use, it is characterized in that, in described wood plastic composite, the parts by weight of each component are as follows: thermoplastic resin 50 ~ 60 parts, 70 ~ 82 parts, vegetable fibre powder, 3 ~ 5 parts, maleic anhydride inoculated polypropylene wax, Aluminate 1 ~ 2 part, lead stearate 1 ~ 2 part, oxidized polyethlene wax 0.5 ~ 1 part, dioctyl phthalate (DOP) 0.5 ~ 1.5 part, ultra-violet stabilizer 3 ~ 3.5 parts, 1 ~ 2 part, oxidation inhibitor and zinc borate 0.5 ~ 1 part, toner 1.2 ~ 2.0 parts; Described vegetable fibre powder is the mixture of coconut shell powder, cotton seed hulls powder and pine powder, and the amount ratio of wherein said coconut shell powder, cotton seed hulls powder and pine powder is 5:2:1 ~ 1.5; Described thermoplastic resin is the mixture of polypropylene and polyvinyl chloride, and the weight ratio of described polypropylene and polyvinyl chloride is 2:1.
2. the light wood plastic composite material of outdoor use according to claim 1, it is characterized in that, described ultra-violet stabilizer is the mixture of titanium oxide, O-hydroxyl-diphenyl ketone and phthalocyanine blue, and wherein the amount ratio of titanium oxide, O-hydroxyl-diphenyl ketone and phthalocyanine blue is 5:3:2.
3. the light wood plastic composite material of outdoor use according to claim 1, it is characterized in that, described oxidation inhibitor is 2, the mixture of 6-tri-grades of butyl-4-methylphenols, three monooctyl esters and thio-2 acid dibasic acid esters, wherein, the amount ratio of 6-tri-grades of butyl-4-methylphenols, three monooctyl esters and thio-2 acid dibasic acid esters is 3:2:1.
4. the light wood plastic composite material of outdoor use according to claim 1, it is characterized in that, the particle of described vegetable fibre powder is the mixture of 1000 ~ 1200 object Exocarpium cocois (Cocos nucifera L) powder particles, cotton seed hulls powder particle and pine powder particle, and the water ratio of described vegetable fibre powder is no more than 12%.
5. a preparation method for the light wood plastic composite material of outdoor use according to claim 1, is characterized in that, its detailed preparation method is as follows:
1) placement of Exocarpium cocois (Cocos nucifera L), cotton seed hulls and pine waste material is tanned by the sun in the sun, in the process of tanning by the sun, its water ratio of test per hour, after water ratio is less than 20%, stopping is tanned by the sun, each component is put in the baking oven of 100 DEG C and carry out drying operation, after drying operation completes, ensure that the water ratio of each component is less than 10%;
2) Exocarpium cocois (Cocos nucifera L), cotton seed hulls and the pine waste material that will obtain in step 1), put in Material disintegrator according to the mass ratio of regulation, through repeatedly crushing operation, finally obtains 1000 ~ 1200 object mixed plant fiber dusts;
3) thermoplastic resin, maleic anhydride inoculated polypropylene wax, Aluminate and lead stearate are pressed corresponding proportion mixing, fully dry, add oxidized polyethlene wax grinding evenly, stir 1 ~ 2h, obtain mixed fillers;
4) ultra-violet stabilizer of corresponding proportion, oxidation inhibitor and zinc borate are added in whizzer stir 10min, add dioctyl phthalate (DOP) again under the rotating speed of 1000-1200r/min, stir 30min, after having stirred, carry out vacuum-drying, after filtering screening, obtain composite assistant;
5) by step 2) in obtain mixed fillers in the mixed plant fiber dust that obtains and step 3), and jointly add high mixer after the composite assistant mixing obtained in step 4), prior to 90 ~ 100 DEG C of mixing 30min, add all the other raw materials again, 120 ~ 130 DEG C of mixing 20min, add extrusion moulding in incorgruous conical-double-helical rod forcing machine subsequently, carry out surface treatment, obtain light wood plastic composite material.
6. the preparation method of the light wood plastic composite material of outdoor use according to claim 5, is characterized in that, in described step 4), vacuum drying temperature 90 ~ 100 DEG C, the vacuum drying time is 3 ~ 3.5h.
7. the preparation method of the light wood plastic composite material of outdoor use according to claim 5, is characterized in that, the working temperature of described incorgruous conical-double-helical rod forcing machine is: I section: 150 ~ 170 DEG C; II section: 160 ~ 190 DEG C: III section: 170 ~ 195 DEG C: IV section: 180 ~ 195 DEG C; Machine head port mould section: 190 ~ 215 DEG C; The residence time of the material of each section is less than 3min.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106832584A (en) * | 2017-01-21 | 2017-06-13 | 陕西理工学院 | Wood and plastic composite material formula |
| CN109605530A (en) * | 2018-12-28 | 2019-04-12 | 宁波欧陆创意家居有限公司 | A kind of process of surface treatment of outdoor desk-chair |
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| DE102013208876A1 (en) * | 2013-05-14 | 2014-11-20 | Spc Sunflower Plastic Compound Gmbh | Biocomposite or biomaterial with sunflower seed shells / pods |
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| CN104804451B (en) | 2017-04-12 |
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Effective date of registration: 20200713 Address after: 224500 North Zone of Binhai County Economic Development Zone, Yancheng City, Jiangsu Province (north of Oubei Road) Patentee after: Jiangsu Longtu Plastic Technology Co., Ltd Address before: 223008, No. 16, development avenue, Huaian Industrial Park, Jiangsu, Huaian Patentee before: JIANGSU FANXIN NEW MATERIAL TECHNOLOGY Co.,Ltd. |