CN1204656A - Method for manufacturing wood fibre with waste, used plastic polyblend - Google Patents
Method for manufacturing wood fibre with waste, used plastic polyblend Download PDFInfo
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- CN1204656A CN1204656A CN 97107589 CN97107589A CN1204656A CN 1204656 A CN1204656 A CN 1204656A CN 97107589 CN97107589 CN 97107589 CN 97107589 A CN97107589 A CN 97107589A CN 1204656 A CN1204656 A CN 1204656A
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Abstract
A process for preparing the co-mixture of woody fibre and waste or used plastics includes wrapping wood powder with oligomer and milling it with waste or used plastics to increase their affinity, so easily forming continuous phase. After the milled co-mixture is shaped, it has better mechanical and comprehensive properties.
Description
The present invention relates to a kind of is the manufacture method that raw material is made blend with wood fibre and useless, old plastics mainly.
Chinese invention patent (application number 90102639.5) discloses a kind of composite of wood and plastics, and said composition is through adding heat extruder heating extrusion molding, or through the forming press compression molding by the particle of plant fiber particle and plastic waste.In such scheme,, make that the mechanical property of the composite of wood and plastics after the moulding is relatively poor because the avidity between wood fibre and the plastic waste is less.
Main purpose of the present invention provides a kind of wood fibre and manufacture method useless, old inorganic filler plastic blending material, and it can improve wood fibre and affinity interactions useless, old plastics in the blend, makes the blend after the moulding have higher mechanical property.
A kind of manufacture method of the blend of mainly forming by wood fibre and useless, old plastics: first wood fibre drying, break process are become wood powder, in wood powder, add the oligomer polymkeric substance and disperse to coat processing, wood powder after the oligomer polymer overmold carries out mixing processing with useless, old plastics again, at last with the blend after mixing through the forming processes aftershaping.Can adopt dryer or baking chamber or rake type drier and pulverizer to handle to drying, the break process of wood fibre; Disperseing to coat to handle to adopt high-speed mixer to handle; Mixing processing can be adopted and add compression molding material milling machine or mill or twin screw extruder or single screw extrusion machine and handle; At last, blend premenstruum handles back (compressing tablet, pulverizing) and adopts injector injection molding, or directly with adding the heat extruder extrusion molding, or the forming press compression molding
In above-mentioned blend manufacture method, the oligomer polymkeric substance can adopt ethene paraffin or Atactic Polypropelene or ethylene chloride
When adopting ethene paraffin, disperseing to coat the temperature of handling is 70-90 ℃; When adopting Atactic Polypropelene, the temperature of disperseing sickle to handle is 90-110 ℃; When adopting ethylene chloride, it is 90-110 ℃ that mark coats the temperature of handling.
In above-mentioned blend manufacture method, wood fibre accounts for 30% to 70%; Useless, old plastics account for 70 to 30%; The oligomer polymkeric substance accounts for 5% to 15%.
In above-mentioned blend manufacture method, disperse to coat handling or/and add 10 to 20% strongthener in the mixing processing; The high-abrasive material of adding 5% to 15%.
The blend of mainly forming of the manufacture method manufacturing that the present invention relates to by wood fibre and useless, old plastics, owing to disperseing to coat in the processing with oligomer polymkeric substance bag wood powder, increased and coated back wood powder and affinity interactions useless, old plastics, be easy to form external phase, the mechanical property of blend is increased, also, the over-all properties of blend is improved owing in intermingling material, added strongthener and high-abrasive material.
Embodiment:
Wood fibre is processed into powder (greater than 50 orders) with pulverizer after with the rake type drier drying.Wood powder, ethene paraffin, alkali-free glass fiber (strongthener), quartz sand (high-abrasive material) in 30: 5: 10: 10 ratios drop into high-speed mixer, and through 5 minutes high-speed mixing, built-in temperature rose to 70-90 ℃, promptly finish to disperse to coat and handle.Will be through the compound after coat handling and useless, old plastics by in 55: 45 ratio input milling machines mixing 10-20 minute, temperature is controlled at 200-220 ℃, promptly finishes mixing processing.The blend compressing tablet after mixing processing, pulverize to drop in the injector, i.e. injection moldable obtains mainly the product of the blend making is made up of wood fibre and useless, old plastics.Fig. 1 is seen in above-mentioned technical process.
Claims (5)
1, a kind of manufacture method of the blend of mainly forming by wood fibre and useless, old plastics, it is characterized in that wood fibre elder generation drying, break process become wood powder, disperse to coat processing with oligomer polymkeric substance and wood powder, wood powder after the oligomer polymer overmold carries out mixing processing with useless, old plastics again, and the blend of the essential fiber after mixing and useless, old plastics is through the forming processes aftershaping.
2, the described blend manufacture method of claim 1 is characterized in that the oligomer polymkeric substance adopts ethene paraffin or Atactic Polypropelene or ethylene chloride.
3, the described blend manufacture method of claim 2, the temperature that it is characterized in that adopting ethene paraffin or Atactic Polypropelene or ethylene chloride and wood powder to disperse to coat processing is respectively 70-90 ℃ or 90-110 ℃ or 90-110 ℃.
4, claim 1,2,3 described blend manufacture method is characterized in that wood fibre accounts for 30% to 70%, and useless, old plastics account for 70% to 30%, and the oligomer polymkeric substance accounts for 5% to 15%.
5, claim 1,2,3 described blend manufacture method is characterized in that disperse to coat handling or/and add 10% to 20% strongthener, 5% to 15% high-abrasive material during mixing the processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97107589 CN1204656A (en) | 1997-07-09 | 1997-07-09 | Method for manufacturing wood fibre with waste, used plastic polyblend |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97107589 CN1204656A (en) | 1997-07-09 | 1997-07-09 | Method for manufacturing wood fibre with waste, used plastic polyblend |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1204656A true CN1204656A (en) | 1999-01-13 |
Family
ID=5169697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97107589 Pending CN1204656A (en) | 1997-07-09 | 1997-07-09 | Method for manufacturing wood fibre with waste, used plastic polyblend |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1204656A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2800083A1 (en) * | 1999-10-26 | 2001-04-27 | Cie Du Dev Durable | Production of a compound material of wood particles in a synthetic polymer matrix for injection molding or extrusion, has a chemical modification of the wood before agglomeration to prevent chemical reactions with the polymers |
| CN101033339B (en) * | 2007-04-18 | 2010-10-06 | 同济大学 | Wood-plastic material and its preparation method |
| CN105131630A (en) * | 2015-09-11 | 2015-12-09 | 李金东 | Biomass resin composite material used for stress structure and plant fiber modification method |
| CN107200954A (en) * | 2017-05-25 | 2017-09-26 | 张冬平 | Add the composite earlier stage treatment process of ramulus mori fiber |
| CN107216666A (en) * | 2017-05-24 | 2017-09-29 | 郭新 | Wood plastic composite preparation technology |
-
1997
- 1997-07-09 CN CN 97107589 patent/CN1204656A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2800083A1 (en) * | 1999-10-26 | 2001-04-27 | Cie Du Dev Durable | Production of a compound material of wood particles in a synthetic polymer matrix for injection molding or extrusion, has a chemical modification of the wood before agglomeration to prevent chemical reactions with the polymers |
| CN101033339B (en) * | 2007-04-18 | 2010-10-06 | 同济大学 | Wood-plastic material and its preparation method |
| CN105131630A (en) * | 2015-09-11 | 2015-12-09 | 李金东 | Biomass resin composite material used for stress structure and plant fiber modification method |
| CN105131630B (en) * | 2015-09-11 | 2018-03-06 | 李金东 | A kind of biomass resin composite materials and string method of modifying for force structure |
| CN107216666A (en) * | 2017-05-24 | 2017-09-29 | 郭新 | Wood plastic composite preparation technology |
| CN107200954A (en) * | 2017-05-25 | 2017-09-26 | 张冬平 | Add the composite earlier stage treatment process of ramulus mori fiber |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |