CN202176105U - Plastic faced plywood building template with multiple circulating times - Google Patents

Plastic faced plywood building template with multiple circulating times Download PDF

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Publication number
CN202176105U
CN202176105U CN2011203143812U CN201120314381U CN202176105U CN 202176105 U CN202176105 U CN 202176105U CN 2011203143812 U CN2011203143812 U CN 2011203143812U CN 201120314381 U CN201120314381 U CN 201120314381U CN 202176105 U CN202176105 U CN 202176105U
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Prior art keywords
template
plywood
plastic
veneer
turnover
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Expired - Fee Related
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CN2011203143812U
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Chinese (zh)
Inventor
卜凡华
王清文
刘伟
王伟宏
王海刚
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SICHUAN ZHONGXINWEIGE ENERGY SAVING TECHNOLOGY CO., LTD.
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ANHUI LAISHAN BUILDING MATERIALS Co Ltd
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Abstract

A plastic faced plywood building template with multiple circulating times relates to building templates and resolves the technical problem that an existing wood template or plywood template is difficult to demould and few in circulating times. A layer of veneering is respectively adhered to the upper surface and the lower surface of a wood plywood of the plastic faced plywood building template, the thickness of the veneering is 0.5mm to 3mm, each player of veneering is composed of a polyolefin material layer and a non-woven fabric layer, and the non-woven fabric layer is located between the wood plywood and the polyolefin material layer. No cement is adhered to the surface of the template, the circulating times are 25 to 30, and the plastic faced plywood building template can be used for construction projects.

Description

A kind of plastic-faced plywood construction formwork of the high number of turnover
Technical field
The present invention relates to a kind of construction formwork.
Background technology
Template is a concrete structure engineering construction necessary tool, and it directly has influence on the economic benefit of quality, speed, cost and the construction enterprises of engineering construction.The main template form of available coagulation soil structure engineering is a plywood form, and the plywood form demoulding in use is difficult, therefore adopts release agent, and the number of turnover of template has only 5~10 times usually, and the number of turnover is low, and this all causes cost to improve.
Summary of the invention
The present invention will solve the technical problem that existing wooden template or the plywood form demoulding in use are difficult, the number of turnover is low, and a kind of plastic-faced plywood construction formwork of the high number of turnover is provided.
The plastic-faced plywood construction formwork of a kind of high number of turnover of the present invention is respectively to paste one deck veneer on the upper and lower surface of wooden plywood; The thickness of veneer is 0.5mm~3mm; Every laminating face is made up of polyolefine material layer and nonwoven, and nonwoven layer is between wooden plywood and polyolefine material layer.
Construction formwork of the present invention obtains the polyolefin veneer in wooden plywood, utilize the low characteristic of polyolefin veneer surface-active; Make the template demoulding easy, need not release agent, the not sticking cement of the template surface after the use; Template does not need to clean, and demould time is short, and any surface finish is prone to cleaning; Corrosion-resistant, do not pollute concrete surface, thereby can cancel plastered work, shorten the duration of fitment operation; And use the number of turnover high, and be 25~30 times, improve 40%~50% than normal plywood template, thereby also reduced the use cost of template.The construction formwork ratio of strength to weight is high simultaneously, thereby makes easy construction and guarantee workmanship; And intensity is high, good toughness, can reduce the usage quantity that construction formwork supports; The template breadth is wide, piece is few, and support and form removal speed are fast.
The plastic-faced plywood construction formwork of the high number of turnover of the present invention can be used in the construction work.
Description of drawings
Fig. 1 is the plastic-faced plywood architectural template structure figure of the high number of turnover of the specific embodiment one; 1 is wooden plywood among the figure, and 2 is nonwoven, and 3 is the polyolefine material layer.
The specific embodiment
The specific embodiment one: the plastic-faced plywood construction formwork of a kind of high number of turnover of (please refer to accompanying drawing 1) this embodiment is respectively to paste one deck veneer on the upper and lower surface of wooden plywood 1; The thickness of veneer is 0.5mm~3mm; Every laminating face is made up of polyolefine material layer 3 and nonwoven 2, and nonwoven 2 is between wooden plywood 1 and polyolefine material layer 3.
The construction formwork of this embodiment obtains the polyolefin veneer in wooden plywood, utilize the low characteristic of polyolefin veneer surface-active; Make the template demoulding easy, need not release agent, the not sticking cement of the template surface after the use; Template does not need to clean, and demould time is short, and any surface finish is prone to cleaning; Corrosion-resistant, do not pollute concrete surface, thereby can cancel plastered work, shorten the duration of fitment operation; And use the number of turnover high, and be 25~30 times, improve 40%~50% than normal plywood template, thereby also reduced the use cost of template.The construction formwork ratio of strength to weight is high simultaneously, thereby makes easy construction and guarantee workmanship; And intensity is high, good toughness, can reduce the usage quantity that construction formwork supports; The template breadth is wide, piece is few, and support and form removal speed are fast.
The specific embodiment two: this embodiment and the specific embodiment one are different is that the thickness of veneer is 0.8mm~2.5mm.Other are identical with the specific embodiment one.
The specific embodiment three: this embodiment and the specific embodiment one are different is that the thickness of veneer is 1.5mm.Other are identical with the specific embodiment one.
The specific embodiment four: this embodiment is different with one of specific embodiment one to three is that polyolefine material layer 3 is to be made up of 85%~100% polyolefin and 0~15% filler by mass percentage.Other are identical with one of specific embodiment one to three.
The specific embodiment five: this embodiment is different with one of specific embodiment one to three is that polyolefine material layer 3 is to be made up of 88%~98% polyolefin and 2%~12% filler by mass percentage.Other are identical with one of specific embodiment one to three.
The specific embodiment six: this embodiment is different with one of specific embodiment one to three is that polyolefine material layer 3 is to be made up of 92% polyolefin and 8% filler by mass percentage.Other are identical with one of specific embodiment one to three.
The specific embodiment seven: the plastic-faced plywood construction formwork of a kind of high number of turnover of this embodiment is respectively to paste one deck veneer on the upper and lower surface of wooden plywood 1; The thickness of veneer is 3mm; Every laminating face is made up of polythene material layer 3 and nonwoven 2, and nonwoven 2 is between wooden plywood 1 and polythene material layer 3.
The preparation method of the plastic-faced plywood construction formwork of a kind of high number of turnover of this embodiment carries out according to the following steps: one, particle polyvinyl material being joined mold temperature is that 170 ℃, single screw speed are to extrude in the vertical three roller plastic sheet units of 80r/min; Obtain polythene material layer 3, on the polythene material layer of extruding 3, cover one deck 100g/m 2Nonwoven 2, again through three roller plastic sheet units, be two-layer pinched together under 100 ℃ the condition this in the roller temperature, obtain covering the polyvinyl veneer of nonwoven; Two, pine veneer 1 upper and lower faces is carried out sanding surface with sander; Three, by glue-spread 300g/m 2Epoxy resin E51 is coated on the back side that step 1 obtains to be covered on the nonwoven 2 of polyvinyl veneer of nonwoven; The polyvinyl veneer that will cover nonwoven then overlays on wooden plywood's 1 upper and lower faces that step 2 is handled; Add in the cold press; The condition pressed of pressure 1.5MPa 5 hours, obtain the plastic-faced plywood construction formwork of the high number of turnover.
The surperficial bonding strength and the mechanical performance index of the plastic-faced plywood construction formwork of the high number of turnover of this embodiment are seen table 1.
The surperficial bonding strength and the mechanical property of the plastic-faced plywood construction formwork of the high number of turnover of table 1
Figure BDA0000086222740000031
A kind of plastic-faced plywood construction formwork of the high number of turnover obtains the polyolefin veneer in wooden plywood, utilize the low characteristic of polyolefin veneer surface-active; Make the template demoulding easy, need not release agent, the not sticking cement of the template surface after the use; Template does not need to clean, and demould time is short, and any surface finish is prone to cleaning; Corrosion-resistant, do not pollute concrete surface, thereby can cancel plastered work, shorten the duration of fitment operation; And use the number of turnover high, and be 28 times, improve 40%~50% than normal plywood template, thereby also reduced the use cost of template.The plastic-faced plywood construction formwork ratio of strength to weight of a kind of high number of turnover of this embodiment is high, thereby makes easy construction and guarantee workmanship; And intensity is high, good toughness, can reduce the usage quantity that construction formwork supports; The template breadth is wide, piece is few, and support and form removal speed are fast; The cold pressing glue that this embodiment adopted all is water-fast glue, guarantees that product polyolefin veneer in work progress does not come off.Water-tolerant avoids in the concrete curing process meeting the water distortion of making moist, and is anticorrosion, prevents damaging by worms; The template coefficient of thermal conductivity is little, helps the winter construction insulation; Waste or used plastics also capable of using is processed into surface film, has reduced plastic pollution, has environment protection significance.
The specific embodiment eight: the plastic-faced plywood construction formwork of a kind of high number of turnover of this embodiment is respectively to paste one deck veneer on the upper and lower surface of wooden plywood 1; The thickness of veneer is 2.6mm; Every laminating face is made up of polythene material layer 3 and nonwoven 2, and nonwoven 2 is between wooden plywood 1 and polythene material layer 3.
The preparation method of the plastic-faced plywood construction formwork of a kind of high number of turnover of this embodiment carries out according to the following steps: one, particle polyvinyl material being joined mold temperature is that 170 ℃, single screw speed are to extrude in the vertical three roller plastic sheet units of 90r/min; Obtain polythene material layer 3; On the polythene material layer of extruding 3, cover the nonwoven 2 of one deck 80g/m2; Again through three roller plastic sheet units; Be two-layer pinched together under 100 ℃ the condition in the roller temperature, obtain covering the polyvinyl veneer of nonwoven this; Two, the upper and lower faces with pine veneer 1 carries out sanding surface with sander; Three, by glue-spread 250g/m 2Epoxy resin E51 is coated on the back side that step 1 obtains to be covered on the nonwoven 2 of polyvinyl veneer of nonwoven; The polyvinyl veneer that will cover nonwoven then overlays on wooden plywood's 1 upper and lower faces of handling through step 2; Add in the cold press; The condition pressed of pressure 1.5MPa 4 hours, obtain the plastic-faced plywood construction formwork of the high number of turnover.
The surperficial bonding strength and the mechanical performance index of the plastic-faced plywood construction formwork of the high number of turnover of this embodiment are seen table 2.
The surperficial bonding strength and the mechanical property of the plastic-faced plywood construction formwork of the high number of turnover of table 2
Figure BDA0000086222740000041
The plastic-faced plywood construction formwork of the high number of turnover of this embodiment obtains the polyolefin veneer in wooden plywood, utilize the low characteristic of polyolefin veneer surface-active; Make the template demoulding easy, need not release agent, the not sticking cement of the template surface after the use; Template does not need to clean, and demould time is short, and any surface finish is prone to cleaning; Corrosion-resistant, do not pollute concrete surface, thereby can cancel plastered work, shorten the duration of fitment operation; And use the number of turnover high, and be 28 times, improve 40%~50% than normal plywood template, thereby also reduced the use cost of template.The plastic-faced plywood construction formwork ratio of strength to weight of a kind of high number of turnover of this embodiment is high, thereby makes easy construction and guarantee workmanship; And intensity is high, good toughness, can reduce the usage quantity that construction formwork supports; The template breadth is wide, piece is few, and support and form removal speed are fast; The cold pressing glue that this embodiment adopted all is water-fast glue, guarantees that product polyolefin veneer in work progress does not come off.Water-tolerant avoids in the concrete curing process meeting the water distortion of making moist, and is anticorrosion, prevents damaging by worms; The template coefficient of thermal conductivity is little, helps the winter construction insulation; Waste or used plastics also capable of using is processed into surface film, has reduced plastic pollution, has environment protection significance.
The specific embodiment nine: the plastic-faced plywood construction formwork of a kind of high number of turnover of this embodiment is respectively to paste one deck veneer on the upper and lower surface of wooden plywood 1; The thickness of veneer is 1.9mm; Every laminating face is made up of polythene material layer 3 and nonwoven 2, and nonwoven 2 is between wooden plywood 1 and polythene material layer 3.
The preparation method of the plastic-faced plywood construction formwork of a kind of high number of turnover of this embodiment carries out according to the following steps: one, particle polyvinyl material being joined mold temperature is that 180 ℃, single screw speed are to extrude in the vertical three roller plastic sheet units of 80r/min; Obtain polythene material layer 3, on the polythene material layer of extruding 3, cover one deck 100g/m 2Nonwoven 2, again through three roller plastic sheet units, be two-layer pinched together under 90 ℃ the condition this in the roller temperature, obtain covering the polyolefin veneer of nonwoven; Two, the upper and lower faces with pine veneer 1 carries out sanding surface with sander; Three, by glue-spread 300g/m 2The phenolic coated back side that obtains in step 1 is covered on the nonwoven layer 2 of polyvinyl veneer of nonwoven; The polyolefin veneer that will cover nonwoven then overlays on wooden plywood's 1 upper and lower faces that step 2 is handled; Add in the hot press; In temperature is that 145 ℃, pressure are the condition pressed 0.5 hour of 1.2MPa, obtains the plastic-faced plywood construction formwork of the high number of turnover.
The surperficial bonding strength and the mechanical performance index of the plastic-faced plywood construction formwork of the high number of turnover of this embodiment are seen table 3.
The surperficial bonding strength and the mechanical property of the plastic-faced plywood construction formwork of the high number of turnover of table 3
Figure BDA0000086222740000051
The plastic-faced plywood construction formwork of the high number of turnover of this embodiment obtains the polyolefin veneer in wooden plywood, utilize the low characteristic of polyolefin veneer surface-active; Make the template demoulding easy, need not release agent, the not sticking cement of the template surface after the use; Template does not need to clean, and demould time is short, and any surface finish is prone to cleaning; Corrosion-resistant, do not pollute concrete surface, thereby can cancel plastered work, shorten the duration of fitment operation; And use the number of turnover high, and be 20 times, improve 40%~50% than normal plywood template, thereby also reduced the use cost of template.The plastic-faced plywood construction formwork ratio of strength to weight of a kind of high number of turnover of this embodiment is high, thereby makes easy construction and guarantee workmanship; And intensity is high, good toughness, can reduce the usage quantity that construction formwork supports; The template breadth is wide, piece is few, and support and form removal speed are fast; The cold pressing glue that this embodiment adopted all is water-fast glue, guarantees that product polyolefin veneer in work progress does not come off.Water-tolerant avoids in the concrete curing process meeting the water distortion of making moist, and is anticorrosion, prevents damaging by worms; The template coefficient of thermal conductivity is little, helps the winter construction insulation; Waste or used plastics also capable of using is processed into surface film, has reduced plastic pollution, has environment protection significance.
The specific embodiment ten: the plastic-faced plywood construction formwork of a kind of high number of turnover of this embodiment is respectively to paste one deck veneer on the upper and lower surface of wooden plywood 1; The thickness of veneer is 1.7mm; Every laminating face is made up of polythene material layer 3 and nonwoven 2, and nonwoven 2 is between wooden plywood 1 and polythene material layer 3.
The preparation method of the plastic-faced plywood construction formwork of a kind of high number of turnover of this embodiment carries out according to the following steps: one, take by weighing the French chalk of 85 parts of polyvinyl and 15 parts and mix; Obtain the polyolefin material; It is that 180 ℃, single screw speed are to extrude in the vertical three roller plastic sheet units of 90r/min that the polyvinyl material is joined mold temperature; Obtain polythene material layer 3, on the polythene material layer of extruding 3, cover one deck 80g/m 2Nonwoven 2, again through three roller plastic sheet units, be two-layer pinched together under 100 ℃ the condition this in the roller temperature, obtain covering the polyolefin veneer of nonwoven; Two, the upper and lower faces with pine veneer 1 carries out sanding surface with sander; Three, by glue-spread 250g/m 2Epoxy resin E51 is coated on the back side that step 1 obtains to be covered on the nonwoven 2 of polyvinyl veneer of nonwoven; The polyolefin veneer that will cover nonwoven then overlays on wooden plywood's 1 upper and lower faces that step 2 is handled; Add in the cold press; The condition pressed of pressure 1MPa 4 hours, obtain the plastic-faced plywood construction formwork of the high number of turnover.
The surperficial bonding strength and the mechanical performance index of the plastic-faced plywood construction formwork of the high number of turnover of this embodiment are seen table 4.
The surperficial bonding strength and the mechanical property of the plastic-faced plywood construction formwork of the high number of turnover of table 4
Figure BDA0000086222740000061
The plastic-faced plywood construction formwork of the high number of turnover of this embodiment obtains the polyolefin veneer in wooden plywood, utilize the low characteristic of polyolefin veneer surface-active; Make the template demoulding easy, need not release agent, the not sticking cement of the template surface after the use; Template does not need to clean, and demould time is short, and any surface finish is prone to cleaning; Corrosion-resistant, do not pollute concrete surface, thereby can cancel plastered work, shorten the duration of fitment operation; And use the number of turnover high, and be 27 times, improve 40%~50% than normal plywood template, thereby also reduced the use cost of template.The plastic-faced plywood construction formwork ratio of strength to weight of a kind of high number of turnover of this embodiment is high, thereby makes easy construction and guarantee workmanship; And intensity is high, good toughness, can reduce the usage quantity that construction formwork supports; The template breadth is wide, piece is few, and support and form removal speed are fast; The cold pressing glue that this embodiment adopted all is water-fast glue, guarantees that product polyolefin veneer in work progress does not come off.Water-tolerant avoids in the concrete curing process meeting the water distortion of making moist, and is anticorrosion, prevents damaging by worms; The template coefficient of thermal conductivity is little, helps the winter construction insulation; Waste or used plastics also capable of using is processed into surface film, has reduced plastic pollution, has environment protection significance.
The specific embodiment 11: the plastic-faced plywood construction formwork of a kind of high number of turnover of this embodiment is respectively to paste one deck veneer on the upper and lower surface of wooden plywood 1; The thickness of veneer is 1.2mm; Every laminating face is made up of polythene material layer 3 and nonwoven 2, and nonwoven 2 is between wooden plywood 1 and polythene material layer 3.
The preparation method of the plastic-faced plywood construction formwork of a kind of high number of turnover of this embodiment carries out according to the following steps: one, take by weighing the Paris white of 90 parts of polyvinyl and 10 parts and mix; Obtain the polyolefin material; It is that 180 ℃, single screw speed are to extrude in the vertical three roller plastic sheet units of 90r/min that the polyvinyl material is joined mold temperature; Obtain polythene material layer 3, on the polythene material layer of extruding 3, cover one deck 80g/m 2Nonwoven 2, again through three roller plastic sheet units, be two-layer pinched together under 100 ℃ the condition this in the roller temperature, obtain covering the polyolefin veneer of nonwoven; Two, pine veneer 1 upper and lower faces is carried out sanding surface with sander; Three, by glue-spread 250g/m 2Epoxy resin E51 is coated on the back side that step 1 obtains to be covered on the nonwoven 2 of polyvinyl veneer of nonwoven; The polyolefin veneer that will cover nonwoven then overlays on wooden plywood's 1 upper and lower faces that step 2 is handled; Add in the cold press; The condition pressed of pressure 1.5MPa 4 hours, obtain the plastic-faced plywood construction formwork of the high number of turnover.
The surperficial bonding strength and the mechanical performance index of the plastic-faced plywood construction formwork of the high number of turnover of this embodiment are seen table 5.
The surperficial bonding strength and the mechanical property of table 5 plastic-faced plywood construction formwork
Moisture content (%) Bending strength (MPa) Modulus of elasticity (MPa) Surface gummed behind the poach The number of turnover
Situation
10 68 6540 Do not have fully and break away from 26
The plastic-faced plywood construction formwork of the high number of turnover of this embodiment obtains the polyolefin veneer in wooden plywood, utilize the low characteristic of polyolefin veneer surface-active; Make the template demoulding easy, need not release agent, the not sticking cement of the template surface after the use; Template does not need to clean, and demould time is short, and any surface finish is prone to cleaning; Corrosion-resistant, do not pollute concrete surface, thereby can cancel plastered work, shorten the duration of fitment operation; And use the number of turnover high, and be 26 times, improve 40%~50% than normal plywood template, thereby also reduced the use cost of template.The plastic-faced plywood construction formwork ratio of strength to weight of a kind of high number of turnover of this embodiment is high, thereby makes easy construction and guarantee workmanship; And intensity is high, good toughness, can reduce the usage quantity that construction formwork supports; The template breadth is wide, piece is few, and support and form removal speed are fast; The cold pressing glue that this embodiment adopted all is water-fast glue, guarantees that product polyolefin veneer in work progress does not come off.Water-tolerant avoids in the concrete curing process meeting the water distortion of making moist, and is anticorrosion, prevents damaging by worms; The template coefficient of thermal conductivity is little, helps the winter construction insulation; Waste or used plastics also capable of using is processed into surface film, has reduced plastic pollution, has environment protection significance.

Claims (3)

1. the plastic-faced plywood construction formwork of a high number of turnover; The plastic-faced plywood construction formwork that it is characterized in that the high number of turnover is respectively to paste one deck veneer on the upper and lower surface of wooden plywood (1); The thickness of veneer is 0.5mm~3mm; Every laminating face is made up of polyolefine material layer (3) and nonwoven (2), and nonwoven (2) is positioned between wooden plywood (1) and the polyolefine material layer (3).
2. the plastic-faced plywood construction formwork of a kind of high number of turnover according to claim 1, the thickness that it is characterized in that veneer is 0.8mm~2.5mm.
3. the plastic-faced plywood construction formwork of a kind of high number of turnover according to claim 1, the thickness that it is characterized in that veneer is 1.5mm.
CN2011203143812U 2011-08-26 2011-08-26 Plastic faced plywood building template with multiple circulating times Expired - Fee Related CN202176105U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105256994A (en) * 2015-11-03 2016-01-20 广西平果北融林木业发展有限公司 Light film plate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105256994A (en) * 2015-11-03 2016-01-20 广西平果北融林木业发展有限公司 Light film plate

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