CN103589180A - Preparation method of lubricant for wood-plastic composite material - Google Patents
Preparation method of lubricant for wood-plastic composite material Download PDFInfo
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- CN103589180A CN103589180A CN201310543502.4A CN201310543502A CN103589180A CN 103589180 A CN103589180 A CN 103589180A CN 201310543502 A CN201310543502 A CN 201310543502A CN 103589180 A CN103589180 A CN 103589180A
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Abstract
The invention discloses a preparation method of lubricant for a wood-plastic composite material. The preparation method comprises the following steps: (1) 10-15 g of 12-hydroxystearic acid and 4-8 g of methacrylic acid are added in a reaction kettle, then 0.1-0.3 g of a catalyst and 30-50 ml of toluene solvent are added to the reaction kettle, and a reflux reaction is conducted for 3-5 hours at 120-150 DEG C under N2 protection to evaporate out the toluene solvent to obtain an esterification product; (2) 4-9 g of polyethylene polyamine, 20-30 g of rapeseed oil and 0.1-0.3 g of a catalyst are added to the esterification product obtained in the step (2), and the mixture is heated to be at 100-150 DEG C under N2 protection for an reaction for 4-8 hours, and is cooled to be at the room temperature, so as to obtain a flaxen oily liquid, namely the lubricant for the wood-plastic composite material. The preparation method has the advantages as follows: the synthesis raw materials are low in cost; the preparation method is simple; the fluidity of the mixture can be improved; a product can be demoulded easily; the surface smoothness of a finished product is high; the compatibility among an inorganic filler, plant fiber powder and matrix resin can be improved to improve the mechanical properties of plates.
Description
Technical field
It is main raw material that common rapeseed oil on market is take in the present invention, relate to lubricator synthetic of a kind of wood plastic composite, can be used for improving the interface compatibility of wood plastic composite, improve the processing rheological of wood plastic composite, and can increase substantially the mechanical property of wood plastic product.
Background technology
Wood plastic composite (Wood-Plastic Composites is called for short WPC) is the class advanced composite material being in recent years surging forward both at home and abroad.It is to utilize polyethylene, polypropylene and polyvinyl chloride etc. to replace common resin adhesive, mix with crop residues such as surpassing more than 50wt% wood powder, bamboo powder, rice husk, stalk, sisal dregs, through plastic processings such as extruding pelletization, mold pressing, injection moldings, prepare sheet material or the section bar of wood plastic composite again.
Because the main component of the vegetable fibres such as wood powder, bamboo powder is Mierocrystalline cellulose, in Mierocrystalline cellulose, containing a large amount of hydroxyls, there is very strong polarity; And thermoplastic resin is as polyethylene, polypropylene and polyvinyl chloride etc. mostly are non-polar polymer, there is hydrophobicity, consistency is between the two poor, and the cohesive force at interface is low, has serious being separated.In wood plastic composite preparation process, add suitable lubricant can improve this situation, lubricant can form hydrogen bond with mineral filler and the lip-deep hydroxyl of plant fiber powder, improve the consistency between mineral filler, plant fiber powder and matrix resin, also can improve bonding interface and the poor problem of consistency between plant fiber powder and polymkeric substance, this is the interior lubricant effect of lubricant simultaneously.Lubricant has multiple usefulness in the actual processing of plastics, as when the extrusion moulding, can prevent polymkeric substance adhesion extrusion screw rod, can improve mobility, improves the adhesion of polymer material and screw rod and mould, prevents and reduces retentate.In addition, can also improve outward appearance and the gloss on wood plastic product surface, this is the outer lubricant effect of lubricant.
Summary of the invention
The object of this invention is to provide that a kind of to have production cost low, reaction is simple, can strengthen well the interface compatibility between plant fiber powder and matrix resin, improves the preparation method for wood plastic composite lubricant of blend processing rheological property.
Concrete steps are:
(1) 10 ~ 15g, ten dihydroxystearic acids and 4 ~ 8g methacrylic acid are added in reactor, then add 0.1 ~ 0.3g catalyzer and 30 ~ 50ml toluene solvant, at N
2under protection, at 120 ~ 150 ℃, back flow reaction, after 3 ~ 5 hours, steams toluene solvant and obtains esterification products.
(2) 4 ~ 9g polyethylene polyamine, 20 ~ 30g rapeseed oil and 0.1 ~ 0.3g catalyzer are joined in step (2) gained esterification products, at N
2under protection, be warming up to 100 ~ 150 ℃ of reactions 4 ~ 8 hours, be cooled to room temperature, obtain pale yellow oily liquid body, be wood plastic composite with lubricator.
Described catalyzer is a kind of in p-methyl benzenesulfonic acid and aniline sulfonic acid.
Described toluene, p-methyl benzenesulfonic acid and aniline sulfonic acid are analytical pure.
Described ten dihydroxystearic acids, methacrylic acid and polyethylene polyamine are technical grade.
The present invention be take rapeseed oil as main raw material, utilizes the multiple acidic substance such as linolic acid in rapeseed oil, erucic acid, oleic acid, and with the synthetic lubricant that reacts such as ten dihydroxystearic acids, polyethylene polyamine, the lubricant of synthesized has interior lubricated and outer lubricant effect concurrently; Synthesis material is cheap, and method is simple; Can improve blend flow, the easy demoulding of product, finished surface is highly polished; Can improve the consistency between mineral filler, plant fiber powder and matrix resin, thereby improve the mechanical property of sheet material.
Embodiment
It is rapeseed oil (commercially available) that following embodiment prepares wood plastic composite main raw material with lubricator; Methacrylic acid (technical grade), ten dihydroxystearic acids (technical grade), polyethylene polyamine (technical grade), p-methyl benzenesulfonic acid (analytical pure), toluene (analytical pure).
embodiment1:
(1) 10g ten dihydroxystearic acids, 5g methacrylic acid are added in reactor, add 0.15g p-methyl benzenesulfonic acid and 40ml toluene solvant, at N
2under protection, at 140 ℃, back flow reaction, after 4 hours, steams toluene solvant and obtains esterification products.
(2) 5g polyethylene polyamine, 21g rapeseed oil and 0.12g p-methyl benzenesulfonic acid are joined in step (1) gained esterification products, at N
2under protection, be warming up to 150 ℃ of reactions 6 hours, be cooled to room temperature, obtain pale yellow oily liquid body, be the lubricant product of invention.Added in wood plastic composite, can be improved well the processing fluidity of wood plastic composite.When adding consumption to be the 0.5wt% of wood powder, shock strength and flexural strength have improved respectively 28% and 26%.
embodiment2:
(1) first 12g ten dihydroxystearic acids, 6g methacrylic acid are added in reactor, add 0.15g p-methyl benzenesulfonic acid and 35ml toluene solvant, at N
2under protection, at 150 ℃, back flow reaction, after 5 hours, steams toluene solvant and obtains esterification products.
(2) 7g polyethylene polyamine, 24g rapeseed oil and 0.2g p-methyl benzenesulfonic acid are joined in above-mentioned esterification products, at N
2under protection, be warming up to 150 ℃ of reactions 6 hours, be cooled to room temperature, obtain pale yellow oily liquid body, be the lubricant product of invention.Added in wood plastic composite, can be improved well the processing fluidity of wood plastic composite.When adding consumption to be the 0.5wt% of wood powder, shock strength and flexural strength have improved respectively 24% and 22%.
embodiment3:
(1) first 14g ten dihydroxystearic acids, 8g methacrylic acid are added in reactor, add 0.2g p-methyl benzenesulfonic acid and 50ml toluene solvant, at N
2under protection, at 140 ℃, back flow reaction, after 4 hours, steams toluene solvant and obtains esterification products.
(2) 8g polyethylene polyamine, 28g rapeseed oil and 0.25g p-methyl benzenesulfonic acid are joined in above-mentioned esterification products, at N
2under protection, be warming up to 150 ℃ of reactions 6 hours, be cooled to room temperature, obtain pale yellow oily liquid body, be the lubricant product of invention.Added in wood plastic composite, can be improved well the processing fluidity of wood plastic composite.When adding consumption to be the 0.5wt% of wood powder, shock strength and flexural strength have improved respectively 22% and 18%.
Claims (1)
1. a wood plastic composite preparation method with lubricator, is characterized in that concrete steps are:
(1) 10 ~ 15g, ten dihydroxystearic acids and 4 ~ 8g methacrylic acid are added in reactor, then add 0.1 ~ 0.3g catalyzer and 30 ~ 50ml toluene solvant, at N
2under protection, at 120 ~ 150 ℃, back flow reaction, after 3 ~ 5 hours, steams toluene solvant and obtains esterification products;
?(2) 4 ~ 9g polyethylene polyamine, 20 ~ 30g rapeseed oil and 0.1 ~ 0.3g catalyzer are joined in step (2) gained esterification products, at N
2under protection, be warming up to 100 ~ 150 ℃ of reactions 4 ~ 8 hours, be cooled to room temperature, obtain pale yellow oily liquid body, be wood plastic composite with lubricator;
Described catalyzer is a kind of in p-methyl benzenesulfonic acid and aniline sulfonic acid;
Described toluene, p-methyl benzenesulfonic acid and aniline sulfonic acid are analytical pure;
Described methacrylic acid, polyethylene polyamine and ten dihydroxystearic acids are technical grade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310543502.4A CN103589180B (en) | 2013-11-06 | 2013-11-06 | A kind of preparation method of lubricant for wood-plastic composite material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310543502.4A CN103589180B (en) | 2013-11-06 | 2013-11-06 | A kind of preparation method of lubricant for wood-plastic composite material |
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| CN103589180A true CN103589180A (en) | 2014-02-19 |
| CN103589180B CN103589180B (en) | 2016-04-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104693606A (en) * | 2015-03-11 | 2015-06-10 | 宁波家联塑料科技有限公司 | Plant fiber-reinforced polypropylene composite material and preparation method thereof, and application of plant fiber-reinforced polypropylene composite material in preparation of automobile components |
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| US20080286551A1 (en) * | 2007-05-16 | 2008-11-20 | Nova Chemicals Inc. | Plastic-cellulosic composite articles |
| CN102504098A (en) * | 2011-11-25 | 2012-06-20 | 桂林理工大学 | Method for preparing lubricant for wood-plastic composites with illegal cooking oil |
| CN102977455A (en) * | 2012-12-06 | 2013-03-20 | 启仲化工（广西）有限公司 | Lubricant for wood-plastic composite material and preparation method of lubricant |
| CN103013464A (en) * | 2012-12-27 | 2013-04-03 | 河北华运鸿业化工有限公司 | Low fluorescent lubricating agent for drilling fluid and method for preparing low fluorescent lubricating agent |
| CN103045183A (en) * | 2012-12-07 | 2013-04-17 | 中国石油集团川庆钻探工程有限公司 | Illegal cooking oil lubricant and preparation method thereof |
| KR20130108736A (en) * | 2012-03-26 | 2013-10-07 | (주)엘지하우시스 | Reinforced wood polymer/plastic composite and manufacturing method thereof |
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2013
- 2013-11-06 CN CN201310543502.4A patent/CN103589180B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080286551A1 (en) * | 2007-05-16 | 2008-11-20 | Nova Chemicals Inc. | Plastic-cellulosic composite articles |
| CN102504098A (en) * | 2011-11-25 | 2012-06-20 | 桂林理工大学 | Method for preparing lubricant for wood-plastic composites with illegal cooking oil |
| KR20130108736A (en) * | 2012-03-26 | 2013-10-07 | (주)엘지하우시스 | Reinforced wood polymer/plastic composite and manufacturing method thereof |
| CN102977455A (en) * | 2012-12-06 | 2013-03-20 | 启仲化工（广西）有限公司 | Lubricant for wood-plastic composite material and preparation method of lubricant |
| CN103045183A (en) * | 2012-12-07 | 2013-04-17 | 中国石油集团川庆钻探工程有限公司 | Illegal cooking oil lubricant and preparation method thereof |
| CN103013464A (en) * | 2012-12-27 | 2013-04-03 | 河北华运鸿业化工有限公司 | Low fluorescent lubricating agent for drilling fluid and method for preparing low fluorescent lubricating agent |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104693606A (en) * | 2015-03-11 | 2015-06-10 | 宁波家联塑料科技有限公司 | Plant fiber-reinforced polypropylene composite material and preparation method thereof, and application of plant fiber-reinforced polypropylene composite material in preparation of automobile components |
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| CN103589180B (en) | 2016-04-06 |
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Effective date of registration: 20201015 Address after: 312000 West Side of Shangma Bay Village East Ring Line, Fuquan Street, Keqiao District, Shaoxing City, Zhejiang Province Patentee after: Shaoxing Guenot SuperLing Lubrication Material Co.,Ltd. Address before: 541004 the Guangxi Zhuang Autonomous Region Guilin Construction Road No. 12 Patentee before: GUILIN University OF TECHNOLOGY |
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Denomination of invention: Preparation method of a lubricant for wood-plastic composite materials Effective date of registration: 20230420 Granted publication date: 20160406 Pledgee: Shaoxing Branch of Zhejiang Tailong Commercial Bank Co.,Ltd. Pledgor: Shaoxing Guenot SuperLing Lubrication Material Co.,Ltd. Registration number: Y2023980038605 |