CN103102585A - Special material for wood plastic extrusion foaming and preparation method thereof - Google Patents
Special material for wood plastic extrusion foaming and preparation method thereof Download PDFInfo
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- CN103102585A CN103102585A CN 201110360619 CN201110360619A CN103102585A CN 103102585 A CN103102585 A CN 103102585A CN 201110360619 CN201110360619 CN 201110360619 CN 201110360619 A CN201110360619 A CN 201110360619A CN 103102585 A CN103102585 A CN 103102585A
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Abstract
The invention relates to a special material for wood plastic extrusion foaming in the technical field of high polymer materials. The composite material is mainly compounded by polypropylene, a foaming agent, a blowing promotor, a cross-linking agent, an assistant crosslinker, a compatilizer, a coupling reagent, a nucleating agent and wood powder. The preparation method of the composite material comprises the following steps of carrying out activating treatment on the wood powder, blending the wood powder and polypropylene as well as various addition agents uniformly through a high mixing machine, extruding by a twin screw and foaming once to prepare the material. The special material for polypropylene or wood powder extrusion foaming has the characteristics of light weight, specific strength, waterproofing, anticorrosion and heat preservation, and the prepared product has the processing characteristic that the timber can be nailed, sawed and planed; the special material not only has good mechanical property and thermal property, but also has excellent environmental protection properties such as being recyclable and degradable and the like; the special material can be widely used in fields of construction, transportation and packaging as well as household decoration and daily necessities markets; the special material can be recycled directly, does not damage the surface of the packed objects due to the soft texture of the material, can be used as a packaging material for electrical equipment, computers, cameras and the like, can be used for skin packaging of glass ware, precise workpieces and quick-wear parts, and can substitute for a PS (polystyrene) foam material.
Description
Technical field
The present invention relates to technical field of polymer materials, especially a wood is moulded extrusion foaming PP Pipe Compound and preparation method thereof.
Background technology
The world today, protection of the environment, rational exploitation and utilization limited resources have become the common topic of paying close attention in the whole world.The circular economy concept that (is called for short 3R) take " minimizing, recycling, recirculation " as its operating principle is paid attention to by the Chinese government just gradually.The present invention reduces extrudate density by foaming, thereby reaches the purpose of the surface property that reduces costs, improves matrix material.
In PP foaming research, ubiquitous problem is that PP degree of crystallinity is higher, and after temperature arrived crystalline melt temperature, its melt viscosity descended rapidly, makes the gas that produces in foaming process be difficult to maintain.Therefore the melt strength that how to improve PP is problem needing to overcome in its foaming.In the triturating of carrying out Wood-plastic-foamed composite, another key issue that needs to solve is how to make between the surperficial and hydrophobic non-polar plastic substrate interface of hydrophilic polarity wood powder to have good consistency, thereby make between the upper layer of the upper layer of timber and plastics and reach intermolecular fusion, these two kinds of materials of different nature suitably are combined with each other, produce than original single-material performance better ground novel material.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, both provided to reduce costs, do not affect again the polypropylene/wood powder extrusion foaming PP Pipe Compound of other performance of material.
Invention is achieved through the following technical solutions:
Polypropylene/wood powder extrusion foaming PP Pipe Compound refers to be mixed by weight by following raw materials according, and concrete ratio and raw material are as follows:
100 parts of polypropylene;
0～5 part of whipping agent;
0.4～1.5 part of blowing promotor;
0.5～5 part of linking agent;
0～2.5 part of additional crosslinker;
0～10 part of compatilizer;
0～5 part of coupling agent;
0.5～4.5 part of nucleator
0～70 part of wood powder;
And described polypropylene/wood powder extrusion foaming PP Pipe Compound is characterized in that: described whipping agent is Cellmic C 121, and described blowing promotor is zinc oxide or Zinic stearas or their mixture;
And described polypropylene/wood powder extrusion foaming PP Pipe Compound is characterized in that: described linking agent is dicumyl peroxide or benzoyl peroxide or their mixture; Described additional crosslinker is vinylbenzene or Vinylstyrene or their mixture;
And described polypropylene/wood powder extrusion foaming PP Pipe Compound is characterized in that: described compatilizer is maleic anhydride grafted polyethylene or maleic anhydride inoculated polypropylene or their mixture;
And described polypropylene/wood powder extrusion foaming PP Pipe Compound is characterized in that: described coupling agent is silane coupling agent, titante coupling agent or Aluminate, aluminium titante coupling agent or their mixture;
And described polypropylene/wood powder extrusion foaming PP Pipe Compound is characterized in that: described nucleator is talcum powder, nano-calcium carbonate, Sodium Benzoate or their mixture;
And described polypropylene/wood powder extrusion foaming PP Pipe Compound is characterized in that: described wood powder is wood chips, bamboo bits, agricultural crop straw powder, rice wheat husk powder, beans, W-Gum, cotton shell, nut duricrust, coconut husk or their mixture.
Characteristics of the present invention are:
1. this polypropylene/wood powder extrusion foaming PP Pipe Compound has the characteristics of light weight, specific tenacity, waterproof, anticorrosion, insulation, the processing characteristic that the product made from this PP Pipe Compound has timber can follow closely, can saw, can dig;
2. this polypropylene/wood powder extrusion foaming PP Pipe Compound can be widely used in building, transportation, packing, home decoration and daily necessities market;
3. this polypropylene/wood powder extrusion foaming PP Pipe Compound can directly reclaim, the quality softness can not damaged the packed article surface, can be used as the wrapping material of the article such as electrical equipment, computer, photographic camera, and the wrapping and package of glassware, accurate product, consumable accessory, can replace the PS foam material in this respect;
4. this polypropylene/wood powder extrusion foaming PP Pipe Compound not only has excellent mechanical property and thermal characteristics, and has the excellent environmental-protecting performance such as recyclable, degradable.
Embodiment
The present invention is described in further detail by following examples
Embodiment 1
Adopt following raw materials according:
100 parts of polypropylene (T30S);
3 parts of whipping agents (Cellmic C 121);
0.8 part of blowing promotor (zinc oxide)
1.8 parts of linking agents (benzoyl peroxide);
2.3 parts of additional crosslinkers (vinylbenzene)
6 parts of compatilizers (maleic anhydride inoculated polypropylene)
4 parts of coupling agents (silane)
3 parts of nucleators (talcum powder)
30 parts of wood powders (poplar 80 orders)
Wood powder is added in high speed mixing smelting machine, dry at 110-120 ℃ of temperature, add coupling agent to make the wood powder activation, after adding whipping agent, blowing promotor, linking agent, additional crosslinker, compatilizer, coupling agent, nucleator, polypropylene to mix, drop in twin screw extruder, Heating temperature is: 160 ℃, 175 ℃, 190 ℃, 185 ℃.Be shaped to the polypropylene/wood powder extrusion foaming product with continuous uniform distribution foaming of different shape.
The above, it is only preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment does.
Claims (7)
1. wood is moulded extrusion foaming PP Pipe Compound and preparation method thereof, it is characterized in that: described polypropylene/wood powder extrusion foaming PP Pipe Compound refers to be mixed by weight by following raw materials according, and concrete ratio and raw material are as follows:
100 parts of polypropylene;
0～5 part of whipping agent;
0.4～1.5 part of blowing promotor;
0.5～5 part of linking agent;
0～2.5 part of additional crosslinker;
0～10 part of compatilizer;
0～8 part of coupling agent;
0.5～4.5 part of nucleator
0～70 part of wood powder;
2. wood according to claim 1 is moulded extrusion foaming PP Pipe Compound and preparation method thereof, it is characterized in that: described whipping agent is Cellmic C 121, and described blowing promotor is zinc oxide or Zinic stearas or their mixture.
3. wood according to claim 1 is moulded extrusion foaming PP Pipe Compound and preparation method thereof, it is characterized in that: described linking agent is dicumyl peroxide or benzoyl peroxide or their mixture; Described additional crosslinker is vinylbenzene or Vinylstyrene or their mixture.
4. wood according to claim 1 is moulded extrusion foaming PP Pipe Compound and preparation method thereof, it is characterized in that: described compatilizer is maleic anhydride grafted polyethylene or maleic anhydride inoculated polypropylene or their mixture.
5. wood according to claim 1 is moulded extrusion foaming PP Pipe Compound and preparation method thereof, it is characterized in that: described coupling agent is silane coupling agent, titante coupling agent or Aluminate, aluminium titante coupling agent or their mixture.
6. wood according to claim 1 is moulded extrusion foaming PP Pipe Compound and preparation method thereof, it is characterized in that: described nucleator is talcum powder, nano-calcium carbonate, Sodium Benzoate or their mixture.
7. wood according to claim 1 is moulded extrusion foaming PP Pipe Compound and preparation method thereof, it is characterized in that: described wood powder is wood chips, bamboo bits, agricultural crop straw powder, rice wheat husk powder, beans, W-Gum, cotton shell, nut duricrust, coconut husk or their mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110360619 CN103102585A (en) | 2011-11-15 | 2011-11-15 | Special material for wood plastic extrusion foaming and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110360619 CN103102585A (en) | 2011-11-15 | 2011-11-15 | Special material for wood plastic extrusion foaming and preparation method thereof |
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| Publication Number | Publication Date |
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| CN103102585A true CN103102585A (en) | 2013-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110360619 Pending CN103102585A (en) | 2011-11-15 | 2011-11-15 | Special material for wood plastic extrusion foaming and preparation method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105017624A (en) * | 2015-07-29 | 2015-11-04 | 湖北鑫麒麟管业有限公司 | Fireproof thermal-insulation PE (polyethylene) composite material and manufacturing technique thereof |
| CN106700262A (en) * | 2017-01-19 | 2017-05-24 | 广东工业大学 | Polypropylene wood-plastic micro-foaming compound material and preparation method thereof |
| CN108047570A (en) * | 2018-01-17 | 2018-05-18 | 闽南师范大学 | A kind of weather-proof wood plastic composite of LBL self-assembly type and preparation method thereof |
| CN108164826A (en) * | 2018-01-17 | 2018-06-15 | 闽南师范大学 | A kind of weather-proof wood plastic composite and preparation method thereof |
| CN108192130A (en) * | 2018-01-17 | 2018-06-22 | 闽南师范大学 | A kind of fire-retardant bamboo-plastic composite material of self assembly type and preparation method thereof |
| CN108219187A (en) * | 2018-01-17 | 2018-06-29 | 闽南师范大学 | A kind of weather-proof wood plastic composite of self assembly type and preparation method thereof |
| CN108264674A (en) * | 2018-01-17 | 2018-07-10 | 闽南师范大学 | A kind of flame retardant type bamboo-plastic composite material and preparation method thereof |
| CN108329585A (en) * | 2018-01-17 | 2018-07-27 | 闽南师范大学 | A kind of novel weathering resistant type wood plastic composite and preparation method thereof |
| CN109749209A (en) * | 2019-03-01 | 2019-05-14 | 安徽森泰木塑集团股份有限公司 | Polyalkene foaming building template formula and technique |
| CN110105660A (en) * | 2019-04-19 | 2019-08-09 | 福建省诚益塑胶科技有限公司 | A kind of preparation process of polypropylene plastics bustle |
| CN113831646A (en) * | 2021-09-08 | 2021-12-24 | 南京雷泰克材料科技有限公司 | Preparation method of polypropylene foam |
-
2011
- 2011-11-15 CN CN 201110360619 patent/CN103102585A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105017624A (en) * | 2015-07-29 | 2015-11-04 | 湖北鑫麒麟管业有限公司 | Fireproof thermal-insulation PE (polyethylene) composite material and manufacturing technique thereof |
| CN106700262A (en) * | 2017-01-19 | 2017-05-24 | 广东工业大学 | Polypropylene wood-plastic micro-foaming compound material and preparation method thereof |
| CN108047570A (en) * | 2018-01-17 | 2018-05-18 | 闽南师范大学 | A kind of weather-proof wood plastic composite of LBL self-assembly type and preparation method thereof |
| CN108164826A (en) * | 2018-01-17 | 2018-06-15 | 闽南师范大学 | A kind of weather-proof wood plastic composite and preparation method thereof |
| CN108192130A (en) * | 2018-01-17 | 2018-06-22 | 闽南师范大学 | A kind of fire-retardant bamboo-plastic composite material of self assembly type and preparation method thereof |
| CN108219187A (en) * | 2018-01-17 | 2018-06-29 | 闽南师范大学 | A kind of weather-proof wood plastic composite of self assembly type and preparation method thereof |
| CN108264674A (en) * | 2018-01-17 | 2018-07-10 | 闽南师范大学 | A kind of flame retardant type bamboo-plastic composite material and preparation method thereof |
| CN108329585A (en) * | 2018-01-17 | 2018-07-27 | 闽南师范大学 | A kind of novel weathering resistant type wood plastic composite and preparation method thereof |
| CN109749209A (en) * | 2019-03-01 | 2019-05-14 | 安徽森泰木塑集团股份有限公司 | Polyalkene foaming building template formula and technique |
| CN110105660A (en) * | 2019-04-19 | 2019-08-09 | 福建省诚益塑胶科技有限公司 | A kind of preparation process of polypropylene plastics bustle |
| CN113831646A (en) * | 2021-09-08 | 2021-12-24 | 南京雷泰克材料科技有限公司 | Preparation method of polypropylene foam |
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Application publication date: 20130515 |