CN100441630C - Preparation method of talc reinforced thermoplastic timber/maleic anhydride grafted polypropylene composite material - Google Patents
Preparation method of talc reinforced thermoplastic timber/maleic anhydride grafted polypropylene composite material Download PDFInfo
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- CN100441630C CN100441630C CNB2006100401676A CN200610040167A CN100441630C CN 100441630 C CN100441630 C CN 100441630C CN B2006100401676 A CNB2006100401676 A CN B2006100401676A CN 200610040167 A CN200610040167 A CN 200610040167A CN 100441630 C CN100441630 C CN 100441630C
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- thermoplastification
- maleic anhydride
- mica
- anhydride inoculated
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Abstract
The present invention discloses talc reinforced thermoplastic timber/maleic acid anhydride grafting polypropylene composite materials and a preparation method thereof. Raw materials comprise wood powder, benzyl chloride, sodium hydroxide, maleic acid anhydride grafting polypropylene, mica, etc. First of all, the wood powder is put in a reaction vessel after washed and dried, NaOH solution is added and stirred, and a phase-transfer catalyst and the benzyl chloride are added for reaction after moisture expansivity; reaction liquid is respectively washed by alcohol and water and then dried to prepare the thermoplastic timber. The prepared the thermoplastic timber and the maleic acid anhydride grafting polypropylene are mixed and extruded by an extruding granulator for granulation. Then, the thermoplastic timber and the mica are mixed and extruded by the extruding granulator according to a certain ratio in order to prepare the thermoplastic timber/maleic acid anhydride grafting polypropylene composite materials. The composite materials prepared by the present invention have the adaptability of tensile strength, elastic modulus in tension, bending strength and bending modulus of elasticity.
Description
Technical field
The present invention relates to adopt the modification of benzyl method, polypropylene composite material increase-volume, the mica of timber to strengthen to prepare mica strengthen thermoplastification timber/maleic anhydride inoculated polypropylene matrix material, belong to materials science field.
Background technology
Mica Young's modulus height, hardness is low, good electric property, goods deflection rate is low, and physics, chemical property are stablized, and nontoxic, "dead" harm is a kind of novel industrialization " environmental protection " filler.Mica is very abundant at China's reserves, in order to improve the micaceous added value of product, makes it to be changed to functional filler by general volume filler, can utilize its excellent properties, walks the approach of product deep processing, high value-added development and use.
Thermoplastification timber (TPW) is also referred to as thermoplasticity timber, is the macromolecular material that wood conversion is become new class by chemical modification.This material is the timber-work that can use the method processing of plastics forming, it has enriched the working method of timber, enlarged the Application Areas and the using value of timber, for brand-brand-new way has been opened up in the comprehensive utilization of the forest reserves and bad culled wood, but its mechanical strength is relatively poor.Thermoplastification timber and some synthetic high polymer have good blend intermiscibility, though the latter can play plasticising and improve the effect of the former performance, but thermoplastification timber is used and is not still perplexed by intensity is high always.
Polypropylene has the good interface consistency, can with the compounding well of multiple material, develop high performance matrix material easily, prepare the engineering resin of high performance-price ratio.Along with the development of blending and modifying technology, new, old plastics are little with the material property difference that wood composite forms respectively, and this matrix material Application Areas is more and more wider, thereby thermoplastification timber and polyacrylic compound research are significant.
Summary of the invention
The object of the present invention is to provide a kind of mica to strengthen the preparation method of thermoplastification timber/maleic anhydride inoculated polypropylene matrix material, not only has polyacrylic premium properties by the matrix material that a process for preparing, and can enlarge thermoplastification timber range of application, thereby can save timber resources and optimize the environment.
Technical scheme of the present invention is such, and mica strengthens the preparation method of thermoplastification timber/maleic anhydride inoculated polypropylene matrix material, realizes through the following steps:
The first step, wood powder washed drying after, put into reactor, add mass percent concentration and be 25%～40% NaOH solution and stir, add methyl brometo de amonio and Benzyl Chloride behind the swollen again, temperature is elevated to 110 ℃～130 ℃, make its reaction 1h～4h, cooling; Reaction solution transferred in the beaker respectively wash 3～5 times with the second alcohol and water respectively; Make thermoplastification timber 90 ℃～110 ℃ following dryings; Wherein, the mass ratio of wood powder and sodium hydroxide, methyl brometo de amonio, Benzyl Chloride was respectively 1: 1～1: 1.6,50: 1～30: 1,1: 2～1: 6;
In second step, the thermoplastification timber that the first step is prepared is extruded with the extruding granulator blend with the proportioning and the maleic anhydride inoculated polypropylene of 1: 5～2: 5 parts by weight, and granulation obtains thermoplastification timber/maleic anhydride inoculated polypropylene matrix material;
The 3rd step, mica is extruded with the extruding granulator blend by 3: 17 weight proportions and thermoplastification timber/maleic anhydride inoculated polypropylene matrix material, be prepared into mica enhancing thermoplastification timber/maleic anhydride inoculated polypropylene matrix material.
Can on rigidity, intensity, increase with mica enhanced polypropylene (MRP), and all obviously improvement such as thermotolerance, resistance to flexing, dimensional stability and electrical insulating property, over-all properties substantially also can reach the engineering plastics level, and cost is lower.If mica can be applied on thermoplastification timber/polypropylene composite material in the Enhancement Method on the polypropylene, can enlarge thermoplastification timber range of application undoubtedly, thereby can save timber resources and optimize the environment.The tensile strength that mica by this law preparation strengthens thermoplastification timber/maleic anhydride inoculated polypropylene matrix material is 23-26MPa, flexural strength 15-50MPa.
Embodiment
Following example is to further specify of the present invention: mica of the present invention strengthens the preparation method of thermoplastification timber/maleic anhydride inoculated polypropylene matrix material, realizes through the following steps:
The first step: get the 60.0g wood powder, put into reactor after the washing drying, adding concentration is 30% NaOH solution 280ml, stirring at room swelling 2h; The methyl brometo de amonio that adds 240.0mL Benzyl Chloride and 1.2 grams then reacts 2h down at 120 ℃.The benzyl product is alternately washed 6 times with distilled water and industrial alcohol, behind the vacuum filtration that product is dry under 100 ℃, get thermoplastification timber.
Second step: prepared thermoplastification timber is extruded with the extruding granulator blend with 1: 4 parts by weight and maleic anhydride inoculated polypropylene, and granulation obtains thermoplastification timber/maleic anhydride inoculated polypropylene matrix material.
The 3rd step: is mica with thermoplastification timber/maleic anhydride inoculated polypropylene matrix material with extruding granulator blend to extrude at 3: 17 by weight, is prepared into mica enhancing thermoplastification timber/maleic anhydride inoculated polypropylene particle.
The mica that makes by the present embodiment method strengthens thermoplastification, and timber/the maleic anhydride inoculated polypropylene performance of composites is as follows: tensile strength: 26Mpa, flexural strength: 37Mpa.
Claims (1)
1, mica strengthens the preparation method of thermoplastification timber/maleic anhydride inoculated polypropylene matrix material, it is characterized in that: realize through the following steps:
The first step, wood powder washed drying after, put into reactor, add mass percent concentration and be 25%～40% NaOH solution and stir, add methyl brometo de amonio and Benzyl Chloride behind the swollen again, temperature is elevated to 110 ℃～130 ℃, make its reaction 1h～4h, cooling; Reaction solution transferred in the beaker respectively wash 3～5 times with the second alcohol and water respectively; Make thermoplastification timber 90 ℃～110 ℃ following dryings; Wherein, the mass ratio of wood powder and sodium hydroxide, methyl brometo de amonio, Benzyl Chloride was respectively 1: 1～1: 1.6,50: 1～30: 1,1: 2～1: 6;
In second step, the thermoplastification timber that the first step is prepared is extruded with the extruding granulator blend with the proportioning and the maleic anhydride inoculated polypropylene of 1: 5～2: 5 parts by weight, and granulation obtains thermoplastification timber/maleic anhydride inoculated polypropylene matrix material;
The 3rd step, mica is extruded with the extruding granulator blend by 3: 17 weight proportions and thermoplastification timber/maleic anhydride inoculated polypropylene matrix material, be prepared into mica enhancing thermoplastification timber/maleic anhydride inoculated polypropylene matrix material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100401676A CN100441630C (en) | 2006-04-30 | 2006-04-30 | Preparation method of talc reinforced thermoplastic timber/maleic anhydride grafted polypropylene composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100401676A CN100441630C (en) | 2006-04-30 | 2006-04-30 | Preparation method of talc reinforced thermoplastic timber/maleic anhydride grafted polypropylene composite material |
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| Publication Number | Publication Date |
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| CN1865342A CN1865342A (en) | 2006-11-22 |
| CN100441630C true CN100441630C (en) | 2008-12-10 |
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| CNB2006100401676A Expired - Fee Related CN100441630C (en) | 2006-04-30 | 2006-04-30 | Preparation method of talc reinforced thermoplastic timber/maleic anhydride grafted polypropylene composite material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109082134A (en) * | 2018-06-20 | 2018-12-25 | 桐乡市乌镇内利仿古园林建设有限公司 | ancient building material and preparation method thereof |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101285284B (en) * | 2008-05-29 | 2010-06-09 | 昆明理工大学 | Preparation method of thermoplastic waste paper |
| CN103509207B (en) * | 2013-09-11 | 2016-01-06 | 淮北市蒋疃民和新型建材有限责任公司 | A kind of modified lime stone flour for rubber filling material |
| CN103881283B (en) * | 2014-04-01 | 2016-08-17 | 东华大学 | A kind of method improving maleic anhydride inoculated polypropylene plastic hot degradation capability |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09151274A (en) * | 1995-11-29 | 1997-06-10 | Sumitomo Bakelite Co Ltd | Production of thermoplastic resin composite material and thermoplastic resin composite material |
| CN1502652A (en) * | 2002-11-21 | 2004-06-09 | 龙德行国际投资有限公司 | Reinforcing toughening material of polyolefine/inorganic powder compound material and use thereof |
| CN1693357A (en) * | 2005-05-18 | 2005-11-09 | 上海广电模塑有限公司 | Polypropylene material with wood performance and its preparation process |
| CN1702114A (en) * | 2004-05-15 | 2005-11-30 | 兰爱克谢斯德国有限责任公司 | Composition for extrusion processing containing graft polymer |
-
2006
- 2006-04-30 CN CNB2006100401676A patent/CN100441630C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09151274A (en) * | 1995-11-29 | 1997-06-10 | Sumitomo Bakelite Co Ltd | Production of thermoplastic resin composite material and thermoplastic resin composite material |
| CN1502652A (en) * | 2002-11-21 | 2004-06-09 | 龙德行国际投资有限公司 | Reinforcing toughening material of polyolefine/inorganic powder compound material and use thereof |
| CN1702114A (en) * | 2004-05-15 | 2005-11-30 | 兰爱克谢斯德国有限责任公司 | Composition for extrusion processing containing graft polymer |
| CN1693357A (en) * | 2005-05-18 | 2005-11-09 | 上海广电模塑有限公司 | Polypropylene material with wood performance and its preparation process |
Non-Patent Citations (2)
| Title |
|---|
| 木材表面非极性化原理的研究 Ⅱ.木材与苯乙烯接枝共聚过程中化学官能团和表面极性的变化. 阎昊鹏，秦特夫.木材工业，第13卷第6期. 1999 |
| 木材表面非极性化原理的研究 Ⅱ.木材与苯乙烯接枝共聚过程中化学官能团和表面极性的变化. 阎昊鹏，秦特夫.木材工业，第13卷第6期. 1999 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109082134A (en) * | 2018-06-20 | 2018-12-25 | 桐乡市乌镇内利仿古园林建设有限公司 | ancient building material and preparation method thereof |
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| CN1865342A (en) | 2006-11-22 |
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Assignee: Fujian Huangcheng Bamboo Co., Ltd. Assignor: Huaqiao University Contract fulfillment period: 2009.2.8 to 2014.2.7 contract change Contract record no.: 2009351000071 Denomination of invention: Preparation method of talc reinforced thermoplastic timber/maleic anhydride grafted polypropylene composite material Granted publication date: 20081210 License type: Exclusive license Record date: 20091029 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.2.8 TO 2014.2.7; CHANGE OF CONTRACT Name of requester: FUJIAN HUANGCHENG TECHNOLOGY BANBOO CO., LTD. Effective date: 20091029 |
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