CN103436041A - Polypropylene plastic-wood composites and production technology thereof - Google Patents
Polypropylene plastic-wood composites and production technology thereof Download PDFInfo
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- CN103436041A CN103436041A CN2013103163735A CN201310316373A CN103436041A CN 103436041 A CN103436041 A CN 103436041A CN 2013103163735 A CN2013103163735 A CN 2013103163735A CN 201310316373 A CN201310316373 A CN 201310316373A CN 103436041 A CN103436041 A CN 103436041A
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Abstract
The invention discloses polypropylene (PP) plastic-wood composites. The polypropylene plastic-wood composites comprise following raw materials: wood powder, polypropylene, calcium carbonate, talcum powder, aluminum titanium coupling agent, PE wax, stearic acid, anti-oxidant 1010, anti-oxidant 168 and a color additive. A production technology of the polypropylene plastic-wood composites is also disclosed. The design of the formula of the polypropylene plastic-wood composites is unique and reasonable; moulding quality of the PP plastic-wood composites is guaranteed, original strength characteristics of PP are reserved, and production efficiency is increased greatly; compared with traditional PP formula technologies, the production technology possesses ground-breaking improvements and advances, and technology innovation is realized. The production technology is simple, and is easy for realization; production efficiency is high; production cycle is shortened significantly; construction efficiency is increased effectively; a large amount of labor is saved; the quality of the obtained polypropylene plastic-wood composites is high; the polypropylene plastic-wood composites is friendly to the environment, is durable, is capable of saving energy, and is beneficial for wide popularization and application.
Description
Technical field
The invention belongs to polypropylene plastics wood technology field, be specifically related to a kind of polypropylene plastics wood and production technique thereof.
Background technology
Mould wood (Wood-Plastic Composites, WPC), it is the advanced composite material be surging forward in recent years in countries in the world, substantially refer to and utilize polyethylene, polypropylene and polyvinyl chloride etc., replace common resin adhesive, with useless vegetable fibres such as surpassing wood powder more than 35%-70%, rice husk, straw, mix, through plastic processings such as extruding, mold pressing, injection moldings, the sheet material of producing or section bar.
Plastic-wood material starts at home research and development and produces, and existing historical about ten years, the vegetable fibres such as original adoption PVC plastics and wood powder are processed, and after adding whipping agent and other auxiliary agent, produce the PVC plastic-wood material that surface has wood grain effect.The foaming PVC plastic-wood material has waterproof, anticorrosion, termite-proof function, but the use distortion of can seriously fading, shrink, warp out of doors, so the material that usually only is used for indoor ornamentation.
After PVC moulds wood, domesticly developed the production technique of PE plastic-wood material and put into production.PE moulds wood can adapt to outdoor working conditions, out of doors not fugitive color, do not chap, do not shrink, waterproof, anticorrosion, termite-proof function are also arranged simultaneously.But in the practical application of many engineerings, many PE plastic-wood materials occur warping distortion and the easy phenomenon such as damage.
PP moulds wood and is similar to PE from outward appearance and use-pattern and moulds wood, but higher parameter is arranged on performance.The mechanical strength of PP plastics and use temperature are all higher than the PE plastics, and after being combined into plastic-wood material with vegetable fibres such as wood powders, these performances are still inherited, and PP moulds wooden mechanical strength and use temperature is all moulded wood higher than PE.Therefore, the high country of plastic-wood material engineering level comparison, started to promote on a large scale the PP plastic-wood material abroad.
At present the factory of domestic production Wood plastic composite has approached 1000, and wherein the manufacturer production 95% or more is that PE moulds wood or PVC moulds wood, and that production PP moulds wooden producer is very few.Wherein very large reason is that PP moulds wooden production technology and moulds the wood complexity than PE, and production difficulty is very high, not easy-formation.
The production of plastic-wood material, difficult point is the combination between the vegetable fibres such as wood powder and plastics.The surface of vegetable fibre is polarity, and frosting is nonpolar, according to similar compatible principle, bi-material is inconsistent, simple bi-material is blended in, through high temperature melting, bi-material can not combine, and show and produce above, be exactly can not moulding.For make wood powder and plastics can in conjunction with, usually add a certain amount of lubricant and compatilizer to carry out surface treatment to wood powder, improve the binding ability of itself and plastics.
From some reports, recognize, the domestic PE had moulds wooden manufacturer, uses maleic anhydride scion grafting PE(MA-PE) to produce PE as compatilizer and mould wood, molding effect is fine.Therefore, some producers attempt using maleic anhydride scion grafting PP(MA-PP) mould wood as compatilizer production PP.Through great efforts, some producers have realized that PP moulds wooden production.But this formula does not improve PP and moulds wooden processability, plastic-wood material adopts the mode of extrusion moulding to produce usually, and its extruded velocity can only reach the 50%-60% that PE moulds wooden extruded velocity.Low production efficiency causes high production cost, and this is unfavorable for the operation of enterprise and the popularization of product.
The domestic producer had adopts the mode that adds certain proportion PE plastics to improve PP and moulds wooden production technique.Adding of PE plastics, improve to a certain extent PP and moulded wooden processability, make PP mould wooden shaping speed and be improved.But this type of is moulded in wood, and the add-on of PE plastics surpasses 30% of total plastic content, in fact should be called the PE+PP polyblend and mould wood, and it is high that its intensity and resistance toheat are moulded wood than pure PE, but mould wood lower than pure PP.And, many a kind of plastics in system, the species composition of auxiliary agent also will be done corresponding increase, and the value of environmental protection of product also just decreases.
A kind ofly guaranteeing to maintain under the prerequisite that PP moulds wooden Forming Quality therefore research and develop, retained original strength characteristics of PP, and production rate is being fast, effectively improving production efficiency, shorten the duration greatly, required for when generation of the polypropylene plastics wood reduced costs.
Summary of the invention
For above-mentioned deficiency, one of the object of the invention is, a kind of environmental protection, low charcoal, durable is provided, and is easy to produce, and is greatly shortened, the polypropylene plastics wood reduced costs the duration.
Two of the object of the invention is, a kind of production technique of making above-mentioned polypropylene plastics wood is provided, and the technique of this production technique is simple and easy, is easy to realize, production efficiency is high, has effectively improved production efficiency.
For achieving the above object, technical scheme provided by the present invention is.
A kind of polypropylene plastics wood, its raw material comprises the component of following weight ratio:
Polipropene 25～55,
Wood powder 50～60,
Calcium carbonate 1.5～3,
Talcum powder 0.7～1.5,
Aluminium titanium coupling agent 0.6～1.2,
PE wax 0.2～0.6,
Stearic acid 1.8～2.4,
Antioxidant 1010 0.05～0.15,
Irgasfos 168 0.15～0.27.
As a modification of the present invention, its raw material also comprises the component of following weight ratio:
Color additives 0.07～0.12.
As a modification of the present invention, described color additives is one of in iron oxide pigment, carbon black or both mixtures.
A kind of production technique of making above-mentioned polypropylene plastics wood, it comprises the following steps.
(1) preparing material, raw material comprises the component of following weight ratio:
Polipropene 25～55,
Wood powder 50～60,
Calcium carbonate 1.5～3%,
Talcum powder 0.7～1.5%,
Aluminium titanium coupling agent 0.6～1.2%,
PE wax 0.2～0.6%,
Stearic acid 1.8～2.4%,
Antioxidant 1010 0.05～0.15%,
Irgasfos 168 0.15～0.27%.
(2) wood powder is added in the mixed pot of heat, the temperature that keeps the mixed pot of heat is 100～133 degree, and the heated and stirred time is 10～30 minutes.
(3) all the other components are added to the mixed pot of heat, be stirred to even mixing, make mixture.
(4) mixture is transferred to cold mixed pot, the temperature that keeps cold mixed pot is 15～30 degree, and the cooling and stirring time is 1～15 minute.
(5) cooled mixture is added to tablets press, through tablets press, make polypropylene plastics wood particle.
As a modification of the present invention, it is further comprising the steps of: (6) add forcing machine by polypropylene plastics wood particle, the polypropylene plastics shape product that matches and make different shape, specification with mould on it through this forcing machine.
As a modification of the present invention, its raw material also comprises the component of following weight ratio:
Color additives 0.07～0.12.
As a modification of the present invention, the temperature of the mixed pot of the heat in described step (2) is 105～130 degree, and the heated and stirred time is 17～23 minutes, and mixing speed is 230～320 rev/mins.
As a modification of the present invention, the churning time in described step (3) is 8～15 minutes, and mixing speed is 230～320 rev/mins.
As a modification of the present invention, described step (4) is transferred to cold mixed pot by mixture, and the temperature that keeps cold mixed pot is 22～28 degree, and the cooling and stirring time is 3～8 minutes, and mixing speed is 100～170 rev/mins.
As a modification of the present invention, described tablets press is the parallel double-screw tablets press, and described forcing machine is conical double screw extruder.
Beneficial effect of the present invention is: the formulating of recipe that the invention provides polypropylene plastics wood is unique, reasonable, guaranteeing to maintain under the prerequisite that PP moulds wooden Forming Quality, the original strength characteristics that has retained PP, and greatly promoted production efficiency, compare traditional PP Recipe, having the spy who is showing to break improving of property, is technical a kind of innovation.The technique of production technique provided by the invention is simple and easy, be easy to realize, production efficiency is high, greatly the production cycle, effectively improves operating efficiency, saves a large amount of manually, and the wooden amount of the polypropylene plastics made is good, and environmental protection, low charcoal and durable, be beneficial to wide popularization and application.
Below in conjunction with embodiment, the invention will be further described.
Embodiment
Embodiment 1: a kind of polypropylene plastics wood that the present embodiment provides, its raw material comprises the component of following weight ratio.
Polipropene 25,
Wood powder 54,
Calcium carbonate 3,
Talcum powder 0.7,
Aluminium titanium coupling agent 1,
PE wax 2.4,
Stearic acid 1.8,
Antioxidant 1010 1.1,
Irgasfos 168 0.27,
Color additives 0.07.
Described color additives is one of in iron oxide pigment, carbon black or both mixtures.In addition, can also add in right amount other color additives according to the desired product color.
The formulating of recipe that the invention provides polypropylene plastics wood is unique, reasonable, guaranteeing to maintain under the prerequisite that PP moulds wooden Forming Quality, retained original strength characteristics of PP, and greatly promoted production efficiency, compare traditional PP Recipe, have the spy who is showing to break improving of property.
A kind of production technique of making above-mentioned polypropylene plastics wood, it comprises the following steps.
(1) preparing material, raw material comprises the component of following weight ratio:
Polipropene 25,
Wood powder 54,
Calcium carbonate 3,
Talcum powder 0.7,
Aluminium titanium coupling agent 1,
PE wax 2.4,
Stearic acid 1.8,
Antioxidant 1010 1.1,
Irgasfos 168 0.27,
Color additives 0.07.
(2) wood powder is added in the mixed pot of heat, the temperature that keeps the mixed pot of heat is 100～133 degree, and the heated and stirred time is 10～30 minutes; The temperature of the mixed pot of the heat in described step (2) is preferably 105～130 degree, and the heated and stirred time is preferably 17～23 minutes, and mixing speed is preferably 230～320 rev/mins.
(3) all the other components are added to the mixed pot of heat, be about to polypropylene, wood powder, calcium carbonate, talcum powder, aluminium titanium coupling agent, PE wax, stearic acid, antioxidant 1010, irgasfos 168 and color additives and add the mixed pot of heat, be stirred to even mixing, make mixture; Churning time in described step (3) is preferably 8～15 minutes, and mixing speed is preferably 230～320 rev/mins.
(4) mixture is transferred to cold mixed pot, the temperature that keeps cold mixed pot is 15～30 degree, and the cooling and stirring time is 1～15 minute; Described step (4) is transferred to cold mixed pot by mixture, keeps the temperature of cold mixed pot to be preferably 22～28 degree, and the cooling and stirring time is 3～8 minutes, and mixing speed is 100～170 rev/mins.
(5) cooled mixture is added to tablets press, through tablets press, make polypropylene plastics wood particle.Described tablets press is preferably the parallel double-screw tablets press.
(6) polypropylene plastics wood particle is added to forcing machine, the polypropylene plastics shape product that matches and make different shape, specification with mould on it through this forcing machine.Described forcing machine is preferably conical double screw extruder.
Embodiment 2: a kind of polypropylene plastics wood and production technique thereof that the present embodiment provides, and it is substantially the same manner as Example 1, and difference is the weight ratio difference of each component of raw material, and its raw material comprises the component of following weight ratio:
Polypropylene 33,
Wood powder 60,
Calcium carbonate 1.5,
Talcum powder 1.1,
Aluminium titanium coupling agent 1.2,
PE wax 0.2,
Stearic acid 2.1,
Antioxidant 1010 0.15,
Irgasfos 168 0.15,
Color additives 0.09.
Embodiment 3: a kind of polypropylene plastics wood and production technique thereof that the present embodiment provides, and it is substantially the same manner as Example 1, and difference is the weight ratio difference of each component of raw material, and its raw material comprises the component of following weight ratio:
Polypropylene 55,
Wood powder 50,
Calcium carbonate 1.1,
Talcum powder 1.5,
Aluminium titanium coupling agent 0.6,
PE wax 0.4,
Stearic acid 2.4,
Antioxidant 1010 0.05,
Irgasfos 168 0.11,
Color additives 0.12.
Embodiment 4: a kind of polypropylene plastics wood and production technique thereof that the present embodiment provides, and it is substantially the same manner as Example 1, and difference is the weight ratio difference of each component of raw material, and its raw material comprises the component of following weight ratio:
Polypropylene 31,
Wood powder 55,
Calcium carbonate 2.4,
Talcum powder 0.9,
Aluminium titanium coupling agent 0.8,
PE wax 0.5,
Stearic acid 2,
Antioxidant 1010 0.09,
Irgasfos 168 0.5,
Color additives 0.1.
Above-described embodiment is only the present invention's embodiment preferably, and the present invention can not enumerate out whole embodiments, and the technical scheme of one of all employing above-described embodiments, or the equivalent variations of doing according to above-described embodiment, all in protection domain of the present invention.The color category of color additives and proportional quantity can accommodation in addition.
The production that the formula provided of the present invention and technique are polypropylene plastics wood provides a kind of novel method, guarantee to maintain PP mould wooden Forming Quality in advance under, the original strength characteristics that has retained PP, and its production rate can reach, even surpassed general normal production requirement, comparing polypropylene plastics wood formula, technique that forefathers explore, have the spy who is showing to break improving of property, is technical a kind of innovation.For polypropylene plastics wood manufacturer, adopt this formula and technique, will greatly enhance productivity and reduce costs; For user in the world, many a kind of environmental protection, low charcoal and durable material of construction.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also be changed and be revised above-mentioned embodiment.Therefore, the present invention is not limited to embodiment disclosed and described above, to modifications and changes more of the present invention, also should fall in the protection domain of claim of the present invention.In addition, although used some specific terms in this specification sheets, these terms just for convenience of description, do not form any restriction to the present invention.As described in the above embodiment the present invention, adopt method same or similar with it and component and obtain other mould wood and production technique thereof, all in protection domain of the present invention.
Claims (10)
1. a polypropylene plastics wood, is characterized in that, its raw material comprises the component of following weight ratio:
Polipropene 25～55,
Wood powder 50～60,
Calcium carbonate 1.5～3,
Talcum powder 0.7～1.5,
Aluminium titanium coupling agent 0.6～1.2,
PE wax 0.2～0.6,
Stearic acid 1.8～2.4,
Antioxidant 1010 0.05～0.15,
Irgasfos 168 0.15～0.27.
2. polypropylene plastics wood according to claim 1, is characterized in that, its raw material also comprises the component of following weight ratio:
Color additives 0.07～0.12.
3. polypropylene plastics wood according to claim 2, is characterized in that, described color additives is one of in iron oxide pigment, carbon black or both mixtures.
4. a production technique of making the described polypropylene plastics wood of claim 1, is characterized in that, it comprises the following steps:
(1) preparing material, raw material comprises the component of following weight ratio:
Polipropene 25～55,
Wood powder 50～60,
Calcium carbonate 1.5～3%,
Talcum powder 0.7～1.5%,
Aluminium titanium coupling agent 0.6～1.2%,
PE wax 0.2～0.6%,
Stearic acid 1.8～2.4%,
Antioxidant 1010 0.05～0.15%,
Irgasfos 168 0.15～0.27%;
(2) wood powder is added in the mixed pot of heat, the temperature that keeps the mixed pot of heat is 100～133 degree, and the heated and stirred time is 10～30 minutes;
(3) all the other components are added to the mixed pot of heat, be stirred to even mixing, make mixture;
(4) mixture is transferred to cold mixed pot, the temperature that keeps cold mixed pot is 15～30 degree, and the cooling and stirring time is 1～15 minute;
(5) cooled mixture is added to tablets press, through tablets press, make polypropylene plastics wood particle.
5. production technique according to claim 4, is characterized in that, it is further comprising the steps of:
(6) polypropylene plastics wood particle is added to forcing machine, the polypropylene plastics shape product that matches and make different shape, specification with mould on it through this forcing machine.
6. production technique according to claim 4, is characterized in that, its raw material also comprises the component of following weight ratio: color additives 0.07～0.12.
7. production technique according to claim 4, is characterized in that, the temperature of the mixed pot of the heat in described step (2) is 105～130 degree, and the heated and stirred time is 17～23 minutes, and mixing speed is 230～320 rev/mins.
8. production technique according to claim 4, is characterized in that, the churning time in described step (3) is 8～15 minutes, and mixing speed is 230～320 rev/mins.
9. production technique according to claim 4, is characterized in that, described step (4) is transferred to cold mixed pot by mixture, and the temperature that keeps cold mixed pot is 22～28 degree, and the cooling and stirring time is 3～8 minutes, and mixing speed is 100～170 rev/mins.
10. production technique according to claim 4, is characterized in that, described tablets press is the parallel double-screw tablets press, and described forcing machine is conical double screw extruder.
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| CN2013103163735A CN103436041A (en) | 2013-07-26 | 2013-07-26 | Polypropylene plastic-wood composites and production technology thereof |
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| CN2013103163735A CN103436041A (en) | 2013-07-26 | 2013-07-26 | Polypropylene plastic-wood composites and production technology thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110283358A (en) * | 2019-07-16 | 2019-09-27 | 南京嘉雅精细化工有限公司 | A kind of complex additive and preparation method thereof for loop polypropylene plant |
| CN110358195A (en) * | 2019-08-30 | 2019-10-22 | 河南中喷天润实业有限公司 | A kind of novel polypropylene pipeline and processing technology |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1498917A (en) * | 2002-11-08 | 2004-05-26 | 华昌工贸有限公司 | Polypropylene(PP)-wood plate |
| CN1850900A (en) * | 2006-05-23 | 2006-10-25 | 广东工业大学 | Composition for manufacturing polypropylene base wood-plastic composite material |
| CN103073905A (en) * | 2011-10-25 | 2013-05-01 | 深圳市格林美高新技术股份有限公司 | Plastic-wood material and preparation method thereof, and section bar molded by using plastic-wood material |
-
2013
- 2013-07-26 CN CN2013103163735A patent/CN103436041A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1498917A (en) * | 2002-11-08 | 2004-05-26 | 华昌工贸有限公司 | Polypropylene(PP)-wood plate |
| CN1850900A (en) * | 2006-05-23 | 2006-10-25 | 广东工业大学 | Composition for manufacturing polypropylene base wood-plastic composite material |
| CN103073905A (en) * | 2011-10-25 | 2013-05-01 | 深圳市格林美高新技术股份有限公司 | Plastic-wood material and preparation method thereof, and section bar molded by using plastic-wood material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110283358A (en) * | 2019-07-16 | 2019-09-27 | 南京嘉雅精细化工有限公司 | A kind of complex additive and preparation method thereof for loop polypropylene plant |
| CN110358195A (en) * | 2019-08-30 | 2019-10-22 | 河南中喷天润实业有限公司 | A kind of novel polypropylene pipeline and processing technology |
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Application publication date: 20131211 |