CN102924951A - Technique for making mouldproof antibacterial wood plastic composite - Google Patents
Technique for making mouldproof antibacterial wood plastic composite Download PDFInfo
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- CN102924951A CN102924951A CN201210488639XA CN201210488639A CN102924951A CN 102924951 A CN102924951 A CN 102924951A CN 201210488639X A CN201210488639X A CN 201210488639XA CN 201210488639 A CN201210488639 A CN 201210488639A CN 102924951 A CN102924951 A CN 102924951A
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- mouldproof
- antibacterial wood
- plastic composite
- antibacterial
- wood plastic
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Abstract
The invention relates to a mouldproof antibacterial wood plastic composite, comprising the following components in percentage by weight: 20-45% of polypropylene, 50-70% of crop straw powder, 0.2-8.0% of compound mouldproof antibacterial agent, 0.2-2.0% of lubricating agent, 3-15% of toughening agent, 1.0-8.0% of coupling agent, 0.0-5.0% of moisture absorbing agent and 0.1-5.5% of other auxiliaries. According to the mouldproof antibacterial wood plastic composite provided by the invention, ratio of the crop straw powder is far higher than 50% under the condition that the comprehensive mechanical performances are well maintained, the mouldproof antibacterial wood plastic composite provided by the invention can be used for producing a product with complex structure and large area by virtue of injection moulding, has natural flavour of timber and high strength, can be coloured as required, is low in cost and simple and convenient to process, meets low-carbon requirement, also has mouldproof and antibacterial functions and is especially preponderant when applied to outdoor, damp and biological contact products.
Description
Technical field
The present invention relates to a kind of polymer composite, more particularly relate to a kind of mildew-proof antibacterial wood-plastic material manufacture craft.The invention still further relates to the method for making this mildew-proof antibacterial wood-plastic material.
Background technology
Wood-plastic material in the market is to adopt wood powder or xylon and plastics compound mostly, the lumbering deforestation there is certain pushing effect, and because material flowability is bad, generally be not used in injection moulding, only only limit to extrude the product that some are relatively simple in structure, intensity is not high.
The country that has abroad, the wood plastic product more than 50% that the wood powder ratio accounts for overall proportion just can be as being that woodwork is sold society.
Summary of the invention
The object of the invention is to, the mildew-proof antibacterial wood-plastic material of a kind of injection moulding with straw powder and polypropylene composite materials is provided, on the good basis of comprehensive mechanical performance maintenance, crop stalk powder proportion is far above 50%.
Technical scheme provided by the invention is as follows: polypropylene: 20_45%; Crop stalk powder: 50_70%; Composite mildewproof antiseptic-germicide: 0.2-8.0%; Lubricant: 0.2-2.0%; Toughner: 3-15%; Coupling agent: 1.0-8.0%; Moisture adsorbent: 1.0-5.0%; Other auxiliary agents: 0.1-5.5%.
The injection moulding of the present invention preparation method of the mildew-proof antibacterial wood-plastic material of straw powder and polypropylene composite materials, comprise the steps: first with polypropylene, crop stalk powder, composite mildewproof antiseptic-germicide, lubricant, toughner, coupling agent, moisture adsorbent, other auxiliary agents proportionally after the weighing in mixer low speed mixing 10 minutes, again through twin screw extruder slow speed of revolution mixing extrusion in the screw combinations situation that some strength is sheared, water ring or underwater cutpellet make the mildew-proof antibacterial wood-plastic material that straw powder and polypropylene composite materials are used in injection moulding through screening and dewatering.
Mildew-proof antibacterial wood-plastic material of the present invention, on the good basis of comprehensive mechanical performance maintenance, crop stalk powder proportion is far above 50%, with the goods that material of the present invention is can injection structure complicated, area is large, and product appearance is attractive in appearance, have the natural breath of timber, intensity is high, can match colors on request, simultaneously with low cost, process easyly, meet low-carbon (LC), economic characteristics, shrinking percentage is little and even, have simultaneously the antimildew and antibacterial function concurrently, be used for product outdoor, moist, the biological aspect and especially possess advantage, production procurement is convenient, has improved competitive power.
Embodiment
Below be the most preferred embodiment that the mildew-proof antibacterial wood-plastic material of straw powder and polypropylene composite materials is used in injection moulding of the present invention, therefore do not limit protection scope of the present invention.
Embodiment one, and the mildew-proof antibacterial wood-plastic material of a kind of injection moulding with straw powder and polypropylene composite materials is provided, and is comprised of by weight following composition: polypropylene: 24.0%; Crop stalk powder: 57%; Composite mildewproof antiseptic-germicide: 3.5%; Lubricant: 1.0%; Toughner: 5.0%; Coupling agent: 5.0%; Moisture adsorbent: 3.0%; Other auxiliary agents: 1.5%.
First will be first with polypropylene, crop stalk powder, composite mildewproof antiseptic-germicide lubricant, toughner, coupling agent, moisture adsorbent, other auxiliary agents proportionally after the weighing in mixer low speed mixing 10 minutes, mixer adopts low speed mixing, paddle should with the barrel gap less than 0.5 centimetre, the supplementary material mixed effect should visual various particles and powder substantially even, do not have obvious agglomerate or gather; Twin screw extruder uses 32 length-to-diameter ratios, the combination of prescribed strength shear screw, and setting is not higher than 300 rev/mins rotating speed; Adopt the underwater cutpellet mode, namely make the mildew-proof antibacterial wood-plastic material that straw powder and polypropylene composite materials are used in injection moulding through screening and dewatering.
The above; it only is the specific embodiment of the present invention; but protection scope of the present invention is not limited to this; any those of ordinary skill in the art are in the disclosed technical scope of the present invention; variation or the replacement that can expect without creative work all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (2)
1. a mildew-proof antibacterial wood-plastic material is characterized in that, is made of by weight polypropylene following composition: 20-45%; Crop stalk powder: 50-70%; Composite mildewproof antiseptic-germicide: 0.2-8.0%; Lubricant: 0.2-2.0%; Toughner: 3-15%; Coupling agent: 1.0-8.0%; Moisture adsorbent: 1.0-5.0%; Other auxiliary agents: 0.1-5.5%.
2. the preparation method of a mildew-proof antibacterial wood-plastic material, it is characterized in that, comprise the steps: first with polypropylene, crop stalk powder, composite mildewproof antiseptic-germicide, lubricant, toughner, coupling agent, moisture adsorbent, other auxiliary agents proportionally after the weighing in mixer low speed mixing 10 minutes, again through twin screw extruder slow speed of revolution mixing extrusion in the screw combinations situation that some strength is sheared, water ring or underwater cutpellet make the mildew-proof antibacterial wood-plastic material that straw powder and polypropylene composite materials are used in injection moulding through screening and dewatering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210488639XA CN102924951A (en) | 2012-11-26 | 2012-11-26 | Technique for making mouldproof antibacterial wood plastic composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210488639XA CN102924951A (en) | 2012-11-26 | 2012-11-26 | Technique for making mouldproof antibacterial wood plastic composite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102924951A true CN102924951A (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210488639XA Pending CN102924951A (en) | 2012-11-26 | 2012-11-26 | Technique for making mouldproof antibacterial wood plastic composite |
Country Status (1)
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| CN (1) | CN102924951A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103773048A (en) * | 2013-01-23 | 2014-05-07 | 科创聚合物(苏州)有限公司 | Mouldproof antibacterial wood-plastic material |
| CN104046048A (en) * | 2014-06-26 | 2014-09-17 | 南京农业大学 | Formula for enhancing mold corrosion resistance of wheat straw/PP (polypropylene) wood-plastic composite material by using antimicrobial agent |
| CN104194370A (en) * | 2014-08-29 | 2014-12-10 | 句容市石狮冲压件厂 | Wood-plastic material for outdoor exhibition rack and preparation method thereof |
| CN104194369A (en) * | 2014-08-29 | 2014-12-10 | 句容市石狮冲压件厂 | Wood-plastic material for outdoor chairs and preparation method thereof |
| CN105367895A (en) * | 2015-11-16 | 2016-03-02 | 泉州斯达纳米科技发展有限公司 | Environment-friendly nano antibacterial wood plastic composite and preparation method thereof |
| CN107523081A (en) * | 2017-09-26 | 2017-12-29 | 苏州卫刚木包装制品有限公司 | A kind of anti-bacterial and anti-fouling wood moulding packaging material and preparation method thereof |
| US20190029259A1 (en) * | 2013-12-19 | 2019-01-31 | AMiSTec GmbH & Co. KG | Method for producing an antimicrobial composite material and antimicrobial composite material |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982505A (en) * | 2010-11-02 | 2011-03-02 | 苏州市科创聚合物有限公司 | Special injection grade wood-plastic material for pallets |
-
2012
- 2012-11-26 CN CN201210488639XA patent/CN102924951A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982505A (en) * | 2010-11-02 | 2011-03-02 | 苏州市科创聚合物有限公司 | Special injection grade wood-plastic material for pallets |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103773048A (en) * | 2013-01-23 | 2014-05-07 | 科创聚合物(苏州)有限公司 | Mouldproof antibacterial wood-plastic material |
| US20190029259A1 (en) * | 2013-12-19 | 2019-01-31 | AMiSTec GmbH & Co. KG | Method for producing an antimicrobial composite material and antimicrobial composite material |
| CN104046048A (en) * | 2014-06-26 | 2014-09-17 | 南京农业大学 | Formula for enhancing mold corrosion resistance of wheat straw/PP (polypropylene) wood-plastic composite material by using antimicrobial agent |
| CN104194370A (en) * | 2014-08-29 | 2014-12-10 | 句容市石狮冲压件厂 | Wood-plastic material for outdoor exhibition rack and preparation method thereof |
| CN104194369A (en) * | 2014-08-29 | 2014-12-10 | 句容市石狮冲压件厂 | Wood-plastic material for outdoor chairs and preparation method thereof |
| CN105367895A (en) * | 2015-11-16 | 2016-03-02 | 泉州斯达纳米科技发展有限公司 | Environment-friendly nano antibacterial wood plastic composite and preparation method thereof |
| CN107523081A (en) * | 2017-09-26 | 2017-12-29 | 苏州卫刚木包装制品有限公司 | A kind of anti-bacterial and anti-fouling wood moulding packaging material and preparation method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130213 |