CN103509360B - A kind of nanometer glass modified synergic strengthens the preparation method that plate moulded by wood - Google Patents
A kind of nanometer glass modified synergic strengthens the preparation method that plate moulded by wood Download PDFInfo
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- CN103509360B CN103509360B CN201310405372.8A CN201310405372A CN103509360B CN 103509360 B CN103509360 B CN 103509360B CN 201310405372 A CN201310405372 A CN 201310405372A CN 103509360 B CN103509360 B CN 103509360B
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Abstract
The invention discloses the modification of a kind of nanometer glass and work in coordination with the preparation method that plate ability moulded by enhancing wood, belong to the functional modification of inorganic nano-particle and work in coordination with glass technical fields such as strengthening.The present invention not only efficiently solves the problem that nanoparticle and glass are easily reunited in the base, and Late Cambrian modification glass and the enhancing synergistic effect of nanoparticle in wood is moulded, and effectively utilize synergistic effect and make Wood plastic boards have higher tensile strength and modulus.In addition, nanometer glass modified synergic enhancing wood is moulded plate and is just also shown excellent UV absorbing properties.This method is simple, and controllability is strong.Institute's panel can be used for preparing high strength, uvioresistant money, the contour performance wood plastic product of long service life, therefore has broad application prospects in fields such as building materials, outdoor Lang Ting, indoor and outdoor floor furnitures.
Description
Technical field
The present invention relates to the functional modification of inorganic nano-particle and work in coordination with glass technical fields such as strengthening, being specifically related to a kind of based on Nano-meter SiO_2
2, glass fibre compound system the preparation method of Wood plastic boards.
Background technology
Current social, scarcity of resources, environmental pollution is serious, using and wasting of woodwork is subject to the strict restriction in various countries, meanwhile, the process that recycles of the fiber-like materials such as waste and old wood chip, stalk also obtains the attention of height and certain development, forms related industries already in American-European and Japan, wherein, wood plastic composite is especially outstanding.Concentrate on some: first wood is moulded and is compared timber and have better cyclic process processing characteristics and products appearance, in performance, such as tensile strength, modulus, hardness and dimensional stability have larger lifting: secondly, Wood-plastic material have wood appearance and corrosion-resistant, dyeing is lasting and simple, widened wood fibre out of doors with the Application Areas of high-end imitative wood goods! Last is also the most important, and wood plastic composite has drawn from waste or used plastics and wood fibre (wood shavings, stalk), and being a large form of environmental friendliness, renewable, recycling economy, is a kind of Important Economic pattern of current social Sustainable development.Therefore, wood is moulded because its excellent properties brought is subject to extensive concern, domesticly also to define relevant enterprise that wood moulds in recent years and is having certain development.But, due to bottleneck technically, breakthrough is needed in the lifting of the intensity of Wood-plastic, the correlated performance such as fire-retardant badly, this is also limit on current Wood plastic boards and the main concentration chamber of other goods outer wayside pavilion, guardrail and outdoor floor, and temporarily really can not replace the Application Areas of traditional timber on a large scale as furniture and building trade.This patent then provides a kind of development of moulding plate based on nanotechnology coordination enhancing wood, significantly improves wood and moulds the mechanical property of plate and improve fire retardancy and anti-uv-ray, expand the application category that wood is moulded.
Nanotechnology started from for 20th century, became three large pillars of century socio-economic development side by side with information technology and biotechnology.The rise of nanosecond science and technology, proposes stern challenge to China's materials industry, simultaneously also for great-leap-forward development provides rare opportunity.Nano material is the basis of nanosecond science and technology, and function nano material is field the most dynamic in nanometer material science, it is to high-tech areas such as information, biology, the energy, environment, aerospace, generation far-reaching influence is had broad application prospects.In the composite, have remarkable effect and potentiality for the nano combined of performance boost, but meanwhile, nanoparticle dispersion is in the base a great problem of this type of matrix material always.
Simultaneously, glass is widely used due to the enhancement function in plastics and fiber of its excellence, but still belongs to rare for having drawn from moulding as wood containing xylogen, cellulosic waste and old fibre Material reinforcement! Equally, glass reaches good oriented in the base and excellent dispersion effect is still difficult in technique, and length-to-diameter ratio is also the variable needing to control.Glass strengthens comparatively extensive in the plastic, but rarely has as the research that glass is used for Wood-plastic material and see.And the application in wood is moulded is except there being good matrix phase capacitive surprisingly, the matrix of wood fibre also can be beneficial to glass dispersion wherein, the glass that modification is crossed simultaneously largely can improve nanoparticle dispersion wherein under the state that entanglement is compatible, the synergistic effect of the two is very excellent, if this type of over-all properties is developed, prospect should be considerable.
Summary of the invention
The invention provides the modification of a kind of nanometer glass and work in coordination with the preparation method that plate ability moulded by enhancing wood.The glass of the inventive method modification and nanoparticle compound system have not only possessed the two advantage, and the synergistic effect between them makes the wood based on this compound system mould environment-friendly materials to have higher intensity and work-ing life, widen the Application Areas of Wood plastic boards greatly, and be that correlated performance is adjustable variable by process ratio; Meanwhile, the Wood plastic boards based on modification glass and nanoparticle compound system also shows excellent anti-ultraviolet property.
The technical solution used in the present invention is as follows for achieving the above object:
Nanometer glass modified synergic strengthens a preparation method for Wood plastic boards, comprises the following steps:
(1) nanoparticle SiO2, plastic grain and 80-100 order wood powder are put into vacuum drying oven, at 100-110 DEG C of dry 4-5 hour; Glass fibre is placed in thermal treatment 2-3 hour at 400-550 DEG C of temperature;
(2) by volume (2-3): (8-10): 1 take Silane coupling agent KH550, ethanol, distilled water is mixed with solution of silane, dried wood powder and nanoparticle are dissolved in solution, ultrasonic disperse 1-2 hour;
(3) will be put in ball grinder after above-mentioned mixed solution and heat treated glass fibre mix and blend, ball milling 1-2 days in ball mill, can obtain the single-phase liquid of the wood powder being filled with nanoparticle and glass fibre; Wherein, Ball-milling Time is adjustable, and ball mill also can use associated mechanical whipping device instead;
(4) take out liquid in ball grinder, alcohol dilution is cleaned, and filter is drained be placed in baking oven and dries;
(5) plastic grain of modified for the above-mentioned steps wood powder and oven dry that are filled with nanoparticle and glass fibre that obtain is allocated by different ratios, add simultaneously and account for the compound compatible system that oeverall quality 4%-5% ratio moulded by wood, rely on processing situation and add 1-10%DOP softening agent in right amount;
(6) mixed well by above-mentioned compound, extrusion moulding 5-10 minute on screw extrusion press, temperature controls between 170-180 DEG C, and according to time temperature equivalence, time and temperature can suitably adjust according to processing;
(7) mould will be put at the mould compression molding 10-15 minute of 170-180 DEG C through step (6) process products therefrom, and obtain nanometer glass modified synergic and strengthen Wood plastic boards.
Plastic grain described in step (1) is pp.
Nanoparticle described in step (2) accounts for the 1-5% moulding wooden total mass.
Glass fibre described in step (3) accounts for the 1-10% moulding wooden total mass.
Compound compatible system described in step (5) is made up of maleic anhydride and polypropylene grafted maleic anhydride etc.
Beneficial effect of the present invention:
The present invention not only efficiently solves the problem that nanoparticle and glass are easily reunited in the base, and Late Cambrian modification glass and the enhancing synergistic effect of nanoparticle in wood is moulded, and effectively utilize synergistic effect and make Wood plastic boards have higher tensile strength and modulus and toughness.In addition, nanometer glass modified synergic enhancing wood is moulded plate and is just also shown excellent UV absorbing properties.This method is simple, and controllability is strong.Institute's panel can be used for preparing high strength, uvioresistant money, the contour performance wood plastic product of long service life, therefore has broad application prospects in fields such as building materials, outdoor Lang Ting, indoor and outdoor floor furnitures.
Accompanying drawing explanation
Fig. 1 is the ultraviolet absorption spectrogram that nanometer glass modified synergic strengthens that plate film moulded by wood.
Embodiment
Nanometer glass modified synergic strengthens a preparation method for Wood plastic boards, comprises the following steps:
(1) by nanoparticle SiO2, plastic grain (pp) and 80-100 order wood powder put into vacuum drying oven, 105 DEG C of dryings 5 hours; Glass fibre to be placed at 480 DEG C of temperature thermal treatment 3 hours;
(2) prepare solution of silane (KH550: ethanol: distilled water=2:8:1), dried wood powder and nanoparticle (accounting for wood powder 1-5% ratio in nanoparticle to mix) are dissolved in solution, ultrasonic disperse 1 hour;
(3) will be put in ball grinder after above-mentioned mixed solution and heat treated glass fibre (glass fibre accounts for the 5-50% of wood powder volume) mix and blend, ball milling 2 days in ball mill, the single-phase liquid of the wood powder being filled with nanoparticle and glass fibre can be obtained, wherein, Ball-milling Time is adjustable, and ball mill also can use associated mechanical whipping device instead;
(4) take out liquid in ball grinder, alcohol dilution is cleaned, and filter is drained be placed in baking oven and dries;
(5) plastic grain of modified for the above-mentioned steps wood powder and oven dry that are filled with nanoparticle and glass that obtain is allocated by different ratios, add simultaneously and account for the compound compatible system (maleic anhydride: polypropylene grafted maleic anhydride=1:1) that oeverall quality 4-5% ratio moulded by wood, rely on processing situation and add 1-10%DOP softening agent in right amount.
(6) mixed well by above-mentioned compound, extrusion moulding 6 minutes on screw extrusion press, temperature controls between 170-1800C, and according to time temperature equivalence, time and temperature can suitably adjust according to processing;
(7) corresponding mould will be put into the vulcanizing press compression molding 10 minutes of 170-180 DEG C through step (6) process products therefrom, obtained tensile bars and film like wood plastic sheet material; Wait until stretching and uv-absorbing test.
Table 1: do not doing under any process, the tensile strength (MPa) during different ratios moulded by wood.
Table 2: do not doing under any process, the ductility (fracture per-cent) during different ratios moulded by wood
Table 3: when moulding wood with 8-2 ratio, mechanical property under different modification cooperative approach
Table 4: under compound compatible system, the synergy of different modified Nano particle and glass
Multiple different invention embodiment can be constructed when not deviating from spirit and scope of the invention.Should be understood that, scope of the present invention is limited by appended claim, and is not limited to the particular described in specification sheets.
Claims (2)
1. nanometer glass modified synergic strengthens the preparation method that plate moulded by wood, it is characterized in that, comprises the following steps:
(1) by nanoparticle SiO
2, plastic grain and 80-100 order wood powder put into vacuum drying oven, at 100-110 DEG C of dry 4-5 hour; Glass fibre is placed in thermal treatment 2-3 hour at 400-550 DEG C of temperature;
(2) by volume (2-3): (8-10): 1 take Silane coupling agent KH550, ethanol, distilled water is mixed with solution of silane, dried wood powder and nanoparticle are dissolved in solution, ultrasonic disperse 1-2 hour;
(3) will be put in ball grinder after above-mentioned mixed solution and heat treated glass fibre mix and blend, ball milling 1-2 days in ball mill, can obtain the single-phase liquid of the wood powder being filled with nanoparticle and glass fibre;
(4) take out liquid in ball grinder, alcohol dilution is cleaned, and filter is drained be placed in baking oven and dries;
(5) plastic grain of modified for the above-mentioned steps wood powder and oven dry that are filled with nanoparticle and glass fibre that obtain is allocated by different ratios, add simultaneously and account for the compound compatible system that oeverall quality 4-5% ratio moulded by wood, rely on processing situation and add 1-10%DOP softening agent in right amount;
(6) mixed well by above-mentioned compound, extrusion moulding 5-10 minute on screw extrusion press, temperature controls between 170-180 DEG C;
(7) mould will be put at the mould compression molding 10-15 minute of 170-180 DEG C through step (6) process products therefrom, and obtain nanometer glass modified synergic enhancing wood and mould plate; Nanoparticle described in step (2) accounts for the 1-5% that total mass moulded by wood; Glass fibre described in step (3) accounts for the 1-10% that total mass moulded by wood; Compound compatible system described in step (5) is made up of maleic anhydride and polypropylene grafted maleic anhydride.
2. nanometer glass modified synergic according to claim 1 strengthens the preparation method that plate moulded by wood, and it is characterized in that, the plastic grain described in step (1) is pp.
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| CN107880578A (en) * | 2017-11-23 | 2018-04-06 | 荔浦庆祥竹木有限公司 | A kind of wood moulding clothes hanger and its manufacture craft |
| CN111961284A (en) * | 2020-08-26 | 2020-11-20 | 安徽国泰智能科技有限公司 | Light high-strength air guide sleeve for light truck |
| CN117106316B (en) * | 2023-10-20 | 2024-02-20 | 潍坊云鼎新材料有限公司 | Preparation method of high-strength wood-plastic composite material |
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| SU1388407A1 (en) * | 1986-02-03 | 1988-04-15 | Специальное Конструкторско-Технологическое Бюро С Экспериментальным Производством Отделения Химии Поверхности Института Физической Химии Им.Л.В.Писаржевского | Compound for producing compression-molded souvenir articles |
| CN101100554A (en) * | 2006-07-05 | 2008-01-09 | 向阳 | Technique for using polymerization straw to replacing wood |
| CN102876064A (en) * | 2012-09-20 | 2013-01-16 | 吴江市天源塑胶有限公司 | Preparation method of wear-resistant wood/plastic material |
| CN103146211A (en) * | 2013-03-07 | 2013-06-12 | 江西省科学院应用化学研究所 | Preparation method of enhanced organosilicone segmented polyurethane elastomer terminated by wood flour and siloxane |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005171206A (en) * | 2003-12-15 | 2005-06-30 | Toyota Motor Corp | Powdery mixture for blending with resin, and resin composition |
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| SU1388407A1 (en) * | 1986-02-03 | 1988-04-15 | Специальное Конструкторско-Технологическое Бюро С Экспериментальным Производством Отделения Химии Поверхности Института Физической Химии Им.Л.В.Писаржевского | Compound for producing compression-molded souvenir articles |
| CN101100554A (en) * | 2006-07-05 | 2008-01-09 | 向阳 | Technique for using polymerization straw to replacing wood |
| CN102876064A (en) * | 2012-09-20 | 2013-01-16 | 吴江市天源塑胶有限公司 | Preparation method of wear-resistant wood/plastic material |
| CN103146211A (en) * | 2013-03-07 | 2013-06-12 | 江西省科学院应用化学研究所 | Preparation method of enhanced organosilicone segmented polyurethane elastomer terminated by wood flour and siloxane |
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