CN102787713A - Foamed plastic building template with five composite environment-friendly plastic layers - Google Patents
Foamed plastic building template with five composite environment-friendly plastic layers Download PDFInfo
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- CN102787713A CN102787713A CN2011101314144A CN201110131414A CN102787713A CN 102787713 A CN102787713 A CN 102787713A CN 2011101314144 A CN2011101314144 A CN 2011101314144A CN 201110131414 A CN201110131414 A CN 201110131414A CN 102787713 A CN102787713 A CN 102787713A
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Abstract
The invention relates to a building template, in particular to a foamed plastic building template with five composite environment-friendly plastic layers, and belongs to the technical field of components of constructional engineering. The foamed plastic building template with five composite environment-friendly plastic layers comprises an upper surface layer, an upper glass fiber layer, a core layer, a lower glass fiber layer and a lower surface layer which are sequentially arranged from top to bottom, wherein the upper surface layer and the lower surface layer are plastic layers, and the core layer is a packing layer containing recycled wastes; the foamed plastic building template with the five composite environment-friendly plastic layers is fabricated by using plastics, in particular the recycled plastics and other wastes, and can be recycled, so that the resource is saved, the environmental friendliness concept is embodied, the environment is protected, the construction process is shortened, the construction efficiency is increased, and the construction cost is reduced.
Description
Technical field
The present invention relates to construction formwork, relate in particular to five layers of composite environment-friendly type plastic building template, belong to construction work parts technical field.
Background technology
Construction formwork is the construction work parts of using always, and China's first generation construction formwork adopts iron and steel matter, but at first it is heavy relatively, brings very big inconvenience to transportation; Secondly demoulding difficulty in construction back often need be used release agent, increases working procedure and construction cost, has reduced efficiency of construction; Once more, very easily rot to get rusty implicit bigger potential safety hazard; At last, its material cost is high, price more expensive (price is between 110～140 yuan/square metre); And the construction work of various places at present used be commonly second generation construction formwork---wood/bamboo glue pattern plate; Though and this template lighter weight, cost is lower and comparatively safe; But has following conspicuous drawback: 1; Its lumps of wood need be sawn into different pipe nipple of length and the supporting use of wooden form because of specification, so cost of production is higher; 2, wood glue plate or bamboo offset plate itself are by the compression of multi-layer thin wood chip, are bonded, and contain a large amount of harmful material---formaldehyde in the production in the widely used wood glue, very easily cause environment pollution; 3, the infiltration back is prone to the suction craze and transfiguration, but reduces access times, reduces application life greatly, increases the building operations cost; 4, the existing forest reserves of China are very limited, most of lumps of wood dependence on import, and resource-constrained, the lumps of wood pipe nipple after wooden form uses can't reclaim and continue to utilize, and causes the great wasting of resources.
Can therefore, design the production New Type Architecture Mode, production, use drawback to overcome existing steel form, wooden form simultaneously become the technical barrier that those skilled in the art need to be resolved hurrily.
Summary of the invention
In order to solve the problems of the technologies described above, the present invention aims to provide five layers of novel composite environment-friendly type plastic building template, and it adopts plastics especially to reclaim plastics and some other waste-material-preparings; Can repeatedly reclaim use, save resource, meet the requirement of " environmental protection industry "; Embody environmental protection concept, protected environment, and saved working procedure; Improve efficiency of construction, reduced construction cost.Its technical scheme that adopts is following:
Five layers of composite environment-friendly type plastic building template of this kind comprise upper epidermis, upper glass fibrage, sandwich layer, lower-glass fibrage and following top layer; And be arranged in order from top to bottom; Wherein, said upper epidermis is a plastic layer with following top layer, and said sandwich layer is to contain the packing layer that reclaims waste material.
Preferably, said upper epidermis adopts polyolefin plastics with following top layer.
Preferably, said polyolefin plastics is PP type raw material or polyethylene from high pressure process class raw material.
Preferably, the making of these five layers of composite environment-friendly type plastic building templates comprises separation step, proportioning step, granulation step and making sheet step.
Preferably, the reclaimed materials of said separation step letter sorting is divided into PP type, polyethylene from high pressure process class and low-pressure polyethylene class.
Preferably, use filler to add in the reclaimed materials in the said proportioning step, said filler is flyash, calcium carbonate, wood powder, French chalk, mineral, synthetic filling, waste and old thermosetting plastics or glass fiber.
Preferably, in said proportioning step, said filler is carried out surface activation process.
Compare with the template of prior art, the present invention has following advantage:
1, hot strength is high, and anti-bending strength is high, and is not yielding;
2, the temperature influence deflection is little, and the shrinkage factor of expanding with heat and contract with cold is low;
3, use the number of turnover many, can reach 20-50 time;
4, can repeat to recycle, produce standard form again, meet the requirement of " environmental protection industry ";
5, water-resistance is good, even it is fully immersed in the water many days, also can not be out of shape because of making moist, more imputrescibility;
6, template surface is highly polished, and is not affine with cement, adhesion, and the construction back demoulding is easy, and not yielding;
7, have acid and alkali-resistance, weather, characteristics such as ageing-resistant, wear-resisting, long service life.
Description of drawings
Fig. 1: five layers of composite environment-friendly type plastic building template structural representation of the present invention;
Fig. 2: prilling flow chart;
Fig. 3: mask-making technology flow chart.
Symbol description
1 upper epidermis, 2 upper glass fibrages, 3 sandwich layers
5 times top layers of 4 lower-glass fibrages
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further:
As shown in Figure 1; These five layers of composite environment-friendly type plastic building templates mainly comprise: upper epidermis 1, upper glass fibrage 2, sandwich layer 3, lower-glass fibrage 4 and following top layer 5; Wherein upper epidermis 1, upper glass fibrage 2, sandwich layer 3, lower-glass fibrage 4 and following top layer 5 are arranged in order from top to bottom; Upper epidermis 1 is a plastic layer with following top layer 5, and sandwich layer 3 is for containing the packing layer that reclaims waste material.
Upper epidermis 1 and the top layer of following top layer 5 as these five layers of composite environment-friendly type plastic building templates; Both need satisfy certain rigidity and rigidity; Need guarantee that again smooth surface is attractive in appearance; So that the easy demoulding of when construction, adopt preferably that hardness is higher, the better rigidity polyolefin plastics, for example be that polypropylene (PP) raw material or polyethylene from high pressure process class (PE) raw material are processed.Its raw material can also can be primary material (without reclaiming) from regenerant both.
Upper glass fibrage 2, lower-glass fibrage 4 mainly play the effect that strengthens template toughness and raising template non-deformability as the transition zone between upper epidermis 1, following top layer 5 and the sandwich layer 3; Document about the manufacturing of glass fiber and use in the prior art is a lot, belongs to known technology, repeats no more at this.
The waste and old reclaimed materials of sandwich layer 3 main employings is a raw material, reduces cost, and increases the benefit, and reaches the environmental protection purpose.
The making of these five layers of composite environment-friendly type plastic building templates mainly comprises separation step, proportioning step, granulation step and making sheet step.
Therefore separation step: reclaimed materials is the mixture of a complicated component, as not carrying out certain go-on-go and screening, certainly will influence the enforcement of next step expressing technique and the quality of product, must be in addition go-on-go screening of reclaimed materials.The reclaimed materials of letter sorting is divided into following several big type: (1) polypropylene (PP) class, like woven bag, geotextiles, packaging film, battery cell case, Turnover Box etc.; (2) polyethylene from high pressure process class (PE) is like awning film, food bag, packing container etc.; (3) low-pressure polyethylene (HD/LLD-PE) class is like mulch film, worker's film, Plastic Drum, Turnover Box, agricultural modify-water pipe, fishnet silk etc.
Proportioning step: for rigidity, the dimensional stability of improving reclaimed materials and reduce cost; Can in reclaimed materials, add an amount of filler; For example flyash, calcium carbonate, wood powder, French chalk, mineral, synthetic filling, waste and old thermosetting plastics, glass fiber etc.; Different reclaimed materials has different performances, and arbitrarily blending must be considered to carry out reasonable blending again after viscosity and the compatibility between the various materials; The ratio of its interpolation should be looked the content of impurity in the former reclaimed materials and decided, and the content of impurity can be confirmed with the density of reclaimed materials in the reclaimed materials.In order to increase melt index and the density of filler, also can carry out surface activation process to filler with plastics.
Granulation step: the reclaimed materials that adopt to add behind the filler carries out granulation, makes the feed particles of a certain size and shape, to be fit to produce construction formwork.The technology of granulation and machine are many in the prior art, and its typical process is as shown in Figure 2.
The making sheet step: adopt feed particles, make finished product according to the formwork structure needs, its technology is as shown in Figure 3.
Following table 1, table 2 have provided cost of production, the performance comparison table of five layers of composite environment-friendly type plastic building template of the present invention and traditional bamboo wood building formwork etc. respectively.
Table one
Table two
| Performance | Plastic formwork | Bamboo plywood coated with film | The overlay film composite board |
| The number of turnover | 20-50 | 8 | 6 |
| Anti-flammability | Fire-retardant | Not fire-retardant | Not fire-retardant |
| Recuperability | Recyclable | Not recyclable | Not recyclable |
| Suction | Indeformable | Yielding | Yielding |
| Knockout course | Easily | Moderate | Moderate |
| Client formulates size | Can | Cannot | Cannot |
| Acid and alkali-resistance, corrosivity | Good | Difference | Difference |
| Abrasion resistance | Wear-resisting | Not wear-resisting | Not wear-resisting |
Use facts have proved:
Five layers of composite environment-friendly type plastic building template of the present invention adopt plastics as matrix, add macromolecular material and increase template strength, and cost is low, can repeatedly recycle, and can replace the lumps of wood and plank fully; And template strength height, dimensionally stable, not yielding, easy-to-clean ash can bear various construction loads; To mould Dai Mu, heat-resisting cold-resistant, anti-aging, highly polished, can have enough to meet the need more than 20 times repeatedly; Support operation is convenient, does not need release agent, and after the concrete setting, template is separated with concrete automatically, and the demoulding is very easy, and die face is smooth smooth after the demoulding, can reach the technical requirements of Shimizu concrete template fully; Specification compliance is strong, is suitable for beam, post, cast-in-place top, the shear wall of all size; The slit is little between plate and the plate, and is upper and lower, vertical, laterally easy to connect; Formwork structure is tight, specification arbitrarily conversion as required; The job site is neatly orderly, is easier to management, can promote the engineering overall image greatly; Recyclable recycling economizes on resources, the protection environment.
Describe the present invention with way of example above, but the invention is not restricted to above-mentioned specific embodiment, allly all belong to the present invention based on any change that the present invention did or modification and require the scope protected.
Claims (7)
1. five layers of composite environment-friendly type plastic building template; It is characterized in that; Comprise upper epidermis (1), upper glass fibrage (2), sandwich layer (3), lower-glass fibrage (4) and following top layer (5), and be arranged in order from top to bottom, wherein; Said upper epidermis (1) and following top layer (5) are plastic layer, and said sandwich layer (3) is for containing the packing layer that reclaims waste material.
2. five layers of composite environment-friendly type plastic building template as claimed in claim 1 is characterized in that, polyolefin plastics is adopted on said upper epidermis (1) and following top layer (5).
3. five layers of composite environment-friendly type plastic building template as claimed in claim 2 is characterized in that, said polyolefin plastics is PP type or polyethylene from high pressure process class.
4. five layers of composite environment-friendly type plastic building template as claimed in claim 1 is characterized in that, these five layers of composite environment-friendly type plastic building templates successively pass through letter sorting, proportioning, granulation and four making steps of making sheet.
5. five layers of composite environment-friendly type plastic building template as claimed in claim 4 is characterized in that, the reclaimed materials of said separation step letter sorting is divided into PP type, polyethylene from high pressure process class and low-pressure polyethylene class.
6. five layers of composite environment-friendly type plastic building template as claimed in claim 4; It is characterized in that; Use filler to add in the reclaimed materials in the said proportioning step, said filler is flyash, calcium carbonate, wood powder, French chalk, mineral, synthetic filling, waste and old thermosetting plastics or glass fiber.
7. five layers of composite environment-friendly type plastic building template as claimed in claim 6 is characterized in that, in said proportioning step, said filler are carried out surface activation process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110131414.4A CN102787713B (en) | 2011-05-20 | 2011-05-20 | Five layers of composite environment-friendly type plastic building template |
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| CN201110131414.4A CN102787713B (en) | 2011-05-20 | 2011-05-20 | Five layers of composite environment-friendly type plastic building template |
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| CN102787713A true CN102787713A (en) | 2012-11-21 |
| CN102787713B CN102787713B (en) | 2015-11-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060318A (en) * | 2017-05-11 | 2017-08-18 | 扬州赛创新材料科技有限公司 | A kind of composite building template and its manufacture method |
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| JPH07317311A (en) * | 1994-05-23 | 1995-12-05 | Shigehiko Ono | Panel and manufacture thereof |
| CN1150157A (en) * | 1995-11-14 | 1997-05-21 | 中国石化齐鲁石油化工公司 | method for preparing filler/polyolefin composite material |
| CN1306033A (en) * | 2000-11-27 | 2001-08-01 | 中国科学院长春应用化学研究所 | Plasticizing and calender method for producing composite products of used plastics and powdered coal ash |
| JP2002303040A (en) * | 2001-04-06 | 2002-10-18 | Shimizu Corp | Laminated biodegradable plastic form and method for producing the same |
| CN101250944A (en) * | 2008-04-07 | 2008-08-27 | 北京恒通创新木塑科技发展有限公司 | Multi-layer composite coining building shuttering and manufacture method thereof |
| CN101429813A (en) * | 2008-12-04 | 2009-05-13 | 中国科学院长春应用化学研究所 | Production method for solid castoff composite multi-story building template |
| CN201687196U (en) * | 2010-02-05 | 2010-12-29 | 常州亚强塑胶有限公司 | PVC building template |
| CN201730309U (en) * | 2010-06-04 | 2011-02-02 | 王梅珠 | Building template made of glass fiber plastic |
-
2011
- 2011-05-20 CN CN201110131414.4A patent/CN102787713B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07317311A (en) * | 1994-05-23 | 1995-12-05 | Shigehiko Ono | Panel and manufacture thereof |
| CN1150157A (en) * | 1995-11-14 | 1997-05-21 | 中国石化齐鲁石油化工公司 | method for preparing filler/polyolefin composite material |
| CN1306033A (en) * | 2000-11-27 | 2001-08-01 | 中国科学院长春应用化学研究所 | Plasticizing and calender method for producing composite products of used plastics and powdered coal ash |
| JP2002303040A (en) * | 2001-04-06 | 2002-10-18 | Shimizu Corp | Laminated biodegradable plastic form and method for producing the same |
| CN101250944A (en) * | 2008-04-07 | 2008-08-27 | 北京恒通创新木塑科技发展有限公司 | Multi-layer composite coining building shuttering and manufacture method thereof |
| CN101429813A (en) * | 2008-12-04 | 2009-05-13 | 中国科学院长春应用化学研究所 | Production method for solid castoff composite multi-story building template |
| CN201687196U (en) * | 2010-02-05 | 2010-12-29 | 常州亚强塑胶有限公司 | PVC building template |
| CN201730309U (en) * | 2010-06-04 | 2011-02-02 | 王梅珠 | Building template made of glass fiber plastic |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060318A (en) * | 2017-05-11 | 2017-08-18 | 扬州赛创新材料科技有限公司 | A kind of composite building template and its manufacture method |
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