CN102145514A - Quasi melting static mixing method for producing single polymer composite material product - Google Patents
Quasi melting static mixing method for producing single polymer composite material product Download PDFInfo
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- CN102145514A CN102145514A CN2011100676063A CN201110067606A CN102145514A CN 102145514 A CN102145514 A CN 102145514A CN 2011100676063 A CN2011100676063 A CN 2011100676063A CN 201110067606 A CN201110067606 A CN 201110067606A CN 102145514 A CN102145514 A CN 102145514A
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Abstract
The invention relates to a quasi melting static mixing method for producing a single polymer composite material product and belongs to the field of forming and processing of a polymer composite material. The quasi melting static mixing method comprises the following steps that a matrix material is molten and plastified through conventional polymer processing equipment, keeps a melting state, enters a main body through a thermal insulation slab and a splitter plate under the action of pressure, and is rapidly cooled to the quasi melting state from the melting state under the action of the thermal insulation slab, the splitter plate, the main body and a rapid cooling device; a fiber reinforcement material enters the main body through a fiber feeding device; under the action of pressure, the fiber reinforcement material and the matrix material in the quasi melting state enter a static mixing device together; the temperature of the static mixing device is kept below the melting temperature of the matrix material through a temperature control device; under the action of a static mixing element, the matrix material and the fiber reinforcement material are mixed uniformly; and finally, under the action of pressure, the mixture is extruded out of equipment to form the product. In the invention, excellent interfacial bond property and superior recycling performance of a single polymer composite material are played in a large range.
Description
Technical field
The present invention relates to a kind of accurate fusion static mixing technology that is used for manufacture order polymer composites goods, belong to polymer composites forming processing technology field.
Background technology
There is the interface in the multiphase solid material that polymer composites normally is made up of polymeric matrix, enhancing body (as fiber) etc. between matrix and the enhancing body, and interface performance plays an important role to performance of composites.The adhesive property of matrix and enhancing body directly affects interface performance, and interface performance influences the stress transmission again, and this influence runs through matrix and the thin sight state and the macromechanics character that strengthen body.But lack reactive activity functional group owing to strengthen the matrix of thermoplastic resin based composite material itself, be difficult to good chemical bond to take place and combine, so interface problem is restricting its development always with the enhancing body.How to obtain the classical problem that firm, stable interface is a polymer composites.In addition, a large amount of uses of composite have caused the increase of composite discarded object.Along with the severe contamination of the exhausted day by day and environment of natural resources, global energy recovery and reuse consciousness improves constantly, and material design must consider that polymer recovery utilizes again.When the design recyclable material, basic principle is to select the least possible component in system.General composite often is made up of two or more different component, and this has seriously limited the recycling of polymer composites.Functional and the composite easy recovery in research interface has received concern, 1975, people such as N.J.Capiati have prepared polyethylene fibre first and have strengthened composite polyethylene material, and promptly matrix and enhancing body are the composite of similar polymers, are called single polymer composites.Have interfacial bond property and superior recycling performance preferably between single polymer composites matrix and the enhancing body, the preparation research of single polymer composites will be developed fast.
At present, the method for preparing single polymer composites has hot pressing fibre method, solution dipping method, lamination methods, fiber to twine pressure sintering etc.Though the research of single polymer composites preparation has related to multiple composites such as poly-hydro carbons, polyesters, still rests on laboratory stage; The processing method of present single polymer composites mainly is a pressure sintering, matrix is realized by pressurization with combining mainly of enhancing body, the general strict control processing temperature of preparation process of single polymer composites, limited the development of the single polymer composites goods of production large scale, with conventional forming polymer processing method also tool there is a big difference, continuous batch production also is unrealized.Extruding with injection mo(u)lding is the topmost technological method for processing of polymeric material process scale production, but for the extruding and injection mo(u)lding processing of single polymer composites, also rarely has report both at home and abroad.If realize the continuous production of single polymer composites, can bring into play single polymer composites good interface adhesive property and superior recycling performance on a large scale, but fields such as single polymer composites extensive use Aero-Space, boats and ships, automobile, communications electronics, building materials, medicine equipment and body-building apparatus, replace timber metal alloy and glass fiber composite material, promote the development of China's new material technology and processing industry.
Summary of the invention
The present invention is directed to present single polymer composites preparation method finite sum and can not realize the quantity-produced problem; a kind of accurate fusion static mixing method of manufacture order polymer composites goods is proposed; make single polymer composites goods obtain large-scale production, and then bring into play the good interface adhesive property of single polymer composites and superior recycling performance on a large scale.
The objective of the invention is to be achieved through the following technical solutions.
The accurate fusion static mixing method of these manufacture order polymer composites goods: matrix material is by conventional Polymer Processing equipment fusion plastification, matrix material keeps molten condition, enter main body through heat-insulating shield and flow distribution plate under pressure, under heat-insulating shield, flow distribution plate, main body and quickly cooling device effect, matrix material is quickly cooled to accurate molten condition by molten condition; The fibre reinforcement material enters in the main body by the fiber feeding device, matrix material with accurate molten condition enters static mixing device together under pressure, keep the temperature of static mixing device below the matrix material melt temperature by attemperating unit, effect lower substrate material and fibre reinforcement material at static mixing element mix, and continue extrusion equipment moulded products under pressure at last.
Above-mentioned quickly cooling device adopts the mode of water-cooled and electrical heating combination temperature control.
Above-mentioned fiber feeding device adopts the motor-driven auto feed, the control feeding quantity.
Above-mentioned static mixing device mainly is made up of cylindrical shell and static mixing element.
Beneficial effect of the present invention:
Single polymer composites has matrix and to strengthen body interface caking property good and be easy to the advantage of recycling, the present invention can realize that the matrix of single polymer composites is quickly cooled to accurate molten condition by molten condition, mixing of enhancing body under the matrix of realizing single polymer composites and the normal temperature state, can be used in the continuous production and processing of single polymer composites goods, the present invention adopts static mixing element, can need not that matrix and enhancing body are mixed.
Description of drawings
Fig. 1 is the embodiment schematic diagram of equipment therefor of the present invention.
Wherein, 1. connector, 2. heat-insulating shield, 3. flow distribution plate, 4. quickly cooling device, 5. main body, 6. fiber feeding device, 7. temperature regulating device, 8. cylindrical shell, 9. static mixing element, 10. head.
The specific embodiment
The present invention will be further described below in conjunction with drawings and Examples.
Realize the accurate fusion static mixing equipment that this method is used, comprise heat-insulating shield 2, flow distribution plate 3, main body 5, quickly cooling device 4, static mixing device, temperature regulating device 7 and fiber feeding device 6.Heat-insulating shield 2 and flow distribution plate 3 are arranged on an end of main body 5, quickly cooling device 4 is arranged on main body 5 peripheries, main body 5 one ends connect with static mixing device, and fiber feeding device 6 is arranged between main body 5 and the static mixing device, and temperature regulating device 7 is arranged on the static mixing device periphery.The equipment integral body of present embodiment can be arranged in the conventional extrusion equipment to be used, one end of equipment connects by the machine barrel of connector 1 with extruder, the equipment other end connects the head 10 of extruder, and the screw rod of extruder and machine barrel are used for the fusion plastification of matrix material.
The key that realizes accurate melting condition is to cool off the matrix material of fusion fast, the heat-insulating shield 2 of equipment, flow distribution plate 3, main body 5 and quickly cooling device 4 are used to control matrix material and are quickly cooled to accurate molten condition by molten condition, are converted to from melt temperature and crystallization takes place the accurate melt temperature process and solidify thereby suppress matrix material.Quickly cooling device adopts water-cooled and electrically heated temperature control method.Fiber feeding device 6 is used for the interpolation of fibre reinforcement material, and present embodiment adopts motor-driven to finish auto feed.Static mixing device mainly is made up of cylindrical shell 8 and static mixing element 9, be used for mixing of matrix material and fibre reinforcement material, its advantage is to utilize the static mixing element 9 that is fixed in the cylindrical shell 8 to change the flow regime of fluid in cylindrical shell under need not the situation of power, reaches dispersion good between the different fluid and fully mixes purpose.The temperature that temperature regulating device 7 is used to control static mixing device keeps below the melt temperature of matrix material, adopts the mode of water-cooled and electrical heating combination temperature control.
The technical process of present embodiment is as follows: matrix material and fibre reinforcement material are the similar polymers material; Matrix material is by conventional extrusion equipment fusion plastification, matrix material keeps molten condition, enter main body 5 through heat-insulating shield 2 and flow distribution plate 3 under pressure, under heat-insulating shield 2, flow distribution plate 3, main body 5 and quickly cooling device 4 effects, matrix material is quickly cooled to accurate molten condition by molten condition; The fibre reinforcement material enters in the main body 5 by fiber feeding device 6, matrix material with accurate molten condition enters static mixing device together under pressure, keep the temperature of static mixing device below the matrix material melt temperature by attemperating unit 7, effect lower substrate material and fibre reinforcement material at static mixing element 9 mix, and continue at last under pressure by head 10 moulded products.The plate-shaped products of the wide 20mm of head 10 plastic thick 4mm of present embodiment.
Claims (4)
1. the accurate fusion static mixing method of manufacture order polymer composites goods: it is characterized in that, matrix material is by conventional Polymer Processing equipment fusion plastification, matrix material keeps molten condition, enter main body through heat-insulating shield and flow distribution plate under pressure, under heat-insulating shield, flow distribution plate, main body and quickly cooling device effect, matrix material is quickly cooled to accurate molten condition by molten condition; The fibre reinforcement material enters in the main body by the fiber feeding device, matrix material with accurate molten condition enters static mixing device together under pressure, keep the temperature of static mixing device below the matrix material melt temperature by attemperating unit, effect lower substrate material and fibre reinforcement material at static mixing element mix, and continue extrusion equipment moulded products under pressure at last.
2. the accurate fusion static mixing method of manufacture order polymer composites goods as claimed in claim 1: it is characterized in that above-mentioned quickly cooling device adopts the mode of water-cooled and electrical heating combination temperature control.
3. the accurate fusion static mixing method of manufacture order polymer composites goods as claimed in claim 1 or 2: above-mentioned fiber feeding device adopts the motor-driven auto feed, the control feeding quantity.
4. the accurate fusion static mixing method of manufacture order polymer composites goods as claimed in claim 1 or 2: above-mentioned static mixing device mainly is made up of cylindrical shell and static mixing element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110067606 CN102145514B (en) | 2011-03-20 | 2011-03-20 | Quasi melting static mixing method for producing single polymer composite material product |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110067606 CN102145514B (en) | 2011-03-20 | 2011-03-20 | Quasi melting static mixing method for producing single polymer composite material product |
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| CN102145514A true CN102145514A (en) | 2011-08-10 |
| CN102145514B CN102145514B (en) | 2013-06-05 |
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| CN 201110067606 Expired - Fee Related CN102145514B (en) | 2011-03-20 | 2011-03-20 | Quasi melting static mixing method for producing single polymer composite material product |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744892A (en) * | 2012-06-15 | 2012-10-24 | 北京理工大学 | Extrusion molding method and extrusion molding equipment for mono-polymer composite product |
| CN103358516A (en) * | 2013-07-04 | 2013-10-23 | 北京理工大学 | Fusion coating roll-forming method and device for homopolymer composite material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5555815A (en) * | 1978-10-19 | 1980-04-24 | Mitsubishi Petrochem Co Ltd | Method and apparatus for mixing liquid material evenly in thermoplastic resin |
| CN1638944A (en) * | 2002-07-11 | 2005-07-13 | 倍耐力轮胎公司 | Process and apparatus for continuously producing an elatomeric composition |
| CN2925844Y (en) * | 2006-05-19 | 2007-07-25 | 林军 | Reinforced-fibre thermoplastic double-screw extruder |
| CN101844375A (en) * | 2009-03-29 | 2010-09-29 | 迪芬巴赫有限两合公司 | Be used in the manufacture process discontinuous ground production of improved plastics structural shape and the method for supplying the resin extender mixture continuously |
-
2011
- 2011-03-20 CN CN 201110067606 patent/CN102145514B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5555815A (en) * | 1978-10-19 | 1980-04-24 | Mitsubishi Petrochem Co Ltd | Method and apparatus for mixing liquid material evenly in thermoplastic resin |
| CN1638944A (en) * | 2002-07-11 | 2005-07-13 | 倍耐力轮胎公司 | Process and apparatus for continuously producing an elatomeric composition |
| CN2925844Y (en) * | 2006-05-19 | 2007-07-25 | 林军 | Reinforced-fibre thermoplastic double-screw extruder |
| CN101844375A (en) * | 2009-03-29 | 2010-09-29 | 迪芬巴赫有限两合公司 | Be used in the manufacture process discontinuous ground production of improved plastics structural shape and the method for supplying the resin extender mixture continuously |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744892A (en) * | 2012-06-15 | 2012-10-24 | 北京理工大学 | Extrusion molding method and extrusion molding equipment for mono-polymer composite product |
| CN102744892B (en) * | 2012-06-15 | 2014-12-31 | 北京理工大学 | Extrusion molding method and extrusion molding equipment for mono-polymer composite product |
| CN103358516A (en) * | 2013-07-04 | 2013-10-23 | 北京理工大学 | Fusion coating roll-forming method and device for homopolymer composite material |
| CN103358516B (en) * | 2013-07-04 | 2016-01-13 | 北京理工大学 | Single polymer composite product melting coated roller transfer moulding method and equipment |
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| CN102145514B (en) | 2013-06-05 |
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