CN103291068A - High-strength, high-tenacity and high-hardness plastic building template and producing method thereof - Google Patents
High-strength, high-tenacity and high-hardness plastic building template and producing method thereof Download PDFInfo
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- CN103291068A CN103291068A CN2013102224286A CN201310222428A CN103291068A CN 103291068 A CN103291068 A CN 103291068A CN 2013102224286 A CN2013102224286 A CN 2013102224286A CN 201310222428 A CN201310222428 A CN 201310222428A CN 103291068 A CN103291068 A CN 103291068A
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Abstract
The invention relates to a high-strength, high-tenacity and high-hardness plastic building template and a producing method thereof. Rubber components are added to increase the tenacity of the building template, and damage to the tenacity of the building template by the addition of inorganic powder or fiber is overcome. Meanwhile, the inorganic powder and plastic materials of the building template are squeezed out synchronously to be formed, the reinforcing fiber is embedded into fusion materials squeezed from panel squeezed-out die orifice with a reinforcing fiber net-shaped form, the defect that liquidity becomes poor due to the fact that the reinforcing fiber and the inorganic powder are synchronously added into the plastic material which is used for manufacturing the building template is overcome, the proportion for which the inorganic powder is accounted is increased in the plastic materials, and the strength, the tenacity and the hardness of the building template are improved at the same time. Due to the fact that the building template contains the inorganic powder materials, the production cost of the building template is reduced, and the size stability and the heat resistance of the building template are improved.
Description
Technical field
The present invention relates to building operations template field, be specifically related to a kind of high-strength and high ductility high rigidity plastic building template and production method thereof.
Background technology
That the construction formwork that building operations is at present adopted mainly comprises is wooden, bamboo matter, steel, plastic building template and by several complex architectural templates that are composited in the above-mentioned construction formwork.Plastic building template has the advantage of higher, stainless, the not sticking cement of low, in light weight, the reusable number of times of cost, waterproof.Owing to be plastic material, for performance and the application life of improving plastic building template, often need in the raw material of plastic building template or forming process, add inserts.
Inserts comprises inorganic powder, as flyash, gypsum etc., also comprises fiber, as glass fiber, aramid fiber etc.As application number be 200810302833.8 and application number be that 200810302831.9 Chinese patent discloses the composite plate that composite plate that a kind of waste or used plastics and industrial gypsum make and waste or used plastics and flyash are made.The main effect of inorganic powder such as flyash or industrial gypsum in construction formwork is to reduce cost and increase hard.On the other hand, the interpolation of fiber mainly is the enhancing that realizes construction formwork.But increase hard or enhanced results causes the toughness of construction formwork to suffer damage often.And the interpolation of inorganic powder and fiber all can reduce Resin Flow, and therefore if add two kinds of inserts simultaneously, two kinds of inserts content separately can not be too high, otherwise resin is difficult to be molded into sheet material; Therefore have enough flowabilities such as melt index at resin and reach under the prerequisite more than 2.0, inserts is difficult to realize that to sheet material enough enhancings increase hard double effects.
Therefore, be necessary to seek to develop a kind of high-strength and high ductility high rigidity plastic building template that has simultaneously.
Summary of the invention
The technical issues that need to address of the present invention are to provide a kind of high-strength and high ductility high rigidity plastic building template, and this plastic building template has the characteristics of high strength, high tenacity and high rigidity, and its cost of production is lower than the construction formwork that only adds fiber.
Another technical problem that the present invention need solve also is to provide the production method of above-mentioned construction formwork.
The technical issues that need to address of the present invention are achieved through the following technical solutions:
A kind of high-strength and high ductility high rigidity plastic building template, it is made up of plastic plate and the fortifying fibre of one deck at least net that is embedded in the described plastic plate; Wherein, the composition of described plastic plate and parts by weight thereof are:
48 ~ 78 parts of waste or used plastics
16 ~ 20 parts of waste olds
5 ~ 25 parts of inorganic powders
1 ~ 7 part of auxiliary agent.
Preferably, described inorganic powder is a kind of or its any combination in French chalk, pulverized limestone, glass microballoon, flyash and the land plaster.
Preferably, described auxiliary agent comprises adhesive, compatilizer, plasticizing agent, sliding agent and coupling agent, and in plastic plate was formed, described adhesive, described compatilizer, described plasticizing agent, described sliding agent and described coupling agent accounted for 0.2 ~ 2 part, 0.4 ~ 2 part, 0.2 ~ 1 part, 0.1 ~ 1 part and 0.1 ~ 1 part respectively.
Preferably, described adhesive is ethylene-vinyl acetate copolymer, and wherein the vinylacetate element of construction accounts for 5 ~ 28% of copolymer weight; Described compatilizer is a kind of or its any mixture in chloridized polyolefin, the anhydride grafting modified polyolefin; Described plasticizing agent is phthalate; Described sliding agent is chlorinated paraffin wax, stearate and N, a kind of or its any mixture in N '-ethylene bis stearamide.
Preferably, the number of plies of described fortifying fibre net is two-layer.
Further preferably, described fortifying fibre net is that every square meter contains the fiberglass gridding cloth of 160g glass fiber at least.
Still more preferably, the vinylacetate element of construction accounts for 18 ~ 28% of copolymer weight in the described ethylene-vinyl acetate copolymer; Described compatilizer is a kind of in haloflex, maleic anhydride grafted polyethylene and the maleic anhydride inoculated polypropylene; Described sliding agent is chlorinated paraffin wax; Described coupling agent is silane coupler.
A kind of production method of high-strength and high ductility high rigidity plastic building template may further comprise the steps:
S1. with waste or used plastics through the extruder fusion, extrude, cooling, pelletizing become uniform plastic grain;
S2. after the waste old of 12 ~ 20 parts by weight being broken into the rubber grain of size below the 30mm in crushing engine, add further broken rubber grain big or small below 10mm of 1 ~ 7 part of auxiliary agent, add the broken mixing on one side on one side of 5 ~ 25 parts of inorganic powders again, to be mixed evenly and rubber grain be fractured into the following size of 3mm, obtain the A product;
S3. the A product are extruded pelletizing from head after mixing roll is mixing;
S4. 22 ~ 52 parts of A product and 48 ~ 78 parts of plastic grains are evenly mixed and drying, obtain the B product;
S5. with the B product through the double screw extruder melting mixing evenly after, extrude from the sheet material extrusion mould-outlet;
S6. the B product of extruding from the sheet material extrusion mould-outlet pass through from the gap between a pair of patterned roll, simultaneously, the fortifying fibre net unreels from unreeling machine under the effect of draw-gear, passes through from the gap between the described a pair of patterned roll, make B product and fortifying fibre net forming together, obtain blanket;
S7. with blanket typing and cooling;
S8. cut the irregular part in blanket both sides, and according to the length of described client's needs blanket is laterally cut, obtain high-strength and high ductility high rigidity plastic building template.
Preferably, two groups of fortifying fibre nets unreel from separately unreeling machine under the effect of draw-gear among the described step S6, and two groups of fortifying fibre nets pass through from the gap between the described a pair of patterned roll in the mode of the patterned roll of fitting respectively.
Still more preferably, inorganic powder described in the described step S2 is a kind of or its any combination in French chalk, pulverized limestone, glass microballoon, flyash and the land plaster, described auxiliary agent comprises adhesive, compatilizer, plasticizing agent, sliding agent and coupling agent, and described fortifying fibre net is that every square meter contains the fiberglass gridding cloth of 160g glass fiber at least.
Compared with prior art, high-strength and high ductility high rigidity plastic building template of the present invention has the following advantages: the present invention has added rubber components to strengthen the toughness of construction formwork, has overcome the interpolation of inorganic powder or fiber to the infringement of construction formwork toughness.Meanwhile, together extrusion molding of plastic rubber material with inorganic powder and construction formwork, and fortifying fibre is embedded into from the melting charge that the sheet material extrusion mould-outlet is extruded with the fortifying fibre web form, overcome the defective that fortifying fibre and inorganic powder add the mobile variation that causes in the plastic rubber material of making construction formwork simultaneously to, also improve the addible ratio of inorganic powder in the plastic rubber material, thereby realized construction formwork intensity, toughness and hardness three raising simultaneously.And, owing to contain inorganic powder, reduced the cost of production of construction formwork, improved dimensional stability and the heat resistance of construction formwork.
The specific embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is described further.Following examples only are used for technical scheme of the present invention more clearly is described, and can not limit protection scope of the present invention with this.
Embodiment 1
The present invention be a kind of high-strength and high ductility high rigidity plastic building template its formed by plastic plate and one deck fortifying fibre net of being embedded in the described plastic plate; Wherein, the fortifying fibre net can be the fiberglass gridding cloth that every square meter contains the 280g glass fiber, described plastic plate is made up of 48 parts of waste or used plastics, 20 parts of waste olds, 25 parts of inorganic powders and 7 parts of auxiliary agents, and auxiliary agent comprises 2 parts of adhesives, 2 parts of compatilizers, 1 part of plasticizing agent, 1 part of sliding agent and 1 part of coupling agent here.Described adhesive is ethylene-vinyl acetate copolymer, and wherein the vinylacetate element of construction accounts for 28% of copolymer weight; Described compatilizer is the modified by maleic acid anhydride graft polyethylene; Described plasticizing agent is butyl phthalate; Described sliding agent is chlorinated paraffin wax, zinc stearate, N, and N '-ethylene bis stearamide is by weight the mixture of 1:1:1.
The production method of above-mentioned high-strength and high ductility high rigidity plastic building template may further comprise the steps:
S1. with waste or used plastics through the extruder fusion, extrude, cooling, pelletizing become uniform plastic grain;
S2. after the waste old of 20 parts by weight being broken into the rubber grain of size below the 30mm in crushing engine, add 2 parts of adhesives, 2 parts of compatilizers, 1 part of plasticizing agent, 1 part of sliding agent and 1 part of further broken rubber grain big or small below 10mm of coupling agent, add the broken mixing on one side on one side of 25 parts of inorganic powders again, to be mixed evenly and rubber grain be fractured into the following size of 3mm, obtain the A product;
S3. the A product are extruded pelletizing from head after mixing roll is mixing;
S4. 52 parts of A product and 48 parts of plastic grains are evenly mixed and drying, obtain the B product;
S5. with the B product through the double screw extruder melting mixing evenly after, extrude from the sheet material extrusion mould-outlet;
S6. the B product of extruding from the sheet material extrusion mould-outlet pass through from the gap between a pair of patterned roll, simultaneously, the fortifying fibre net unreels from unreeling machine under the effect of draw-gear, passes through from the gap between the described a pair of patterned roll, make B product and fortifying fibre net forming together, obtain blanket;
S7. with blanket typing and cooling;
S8. cut the irregular part in blanket both sides, and according to the length of described client's needs blanket is laterally cut, obtain high-strength and high ductility high rigidity plastic building template.
Embodiment 2
The present invention be a kind of high-strength and high ductility high rigidity plastic building template its formed by plastic plate and the two-layer fortifying fibre net that is embedded in the described plastic plate; Wherein, the fortifying fibre net can be the fiberglass gridding cloth that every square meter contains the 160g glass fiber, described plastic plate is made up of 78 parts of waste or used plastics, 16 parts of waste olds, 5 parts of inorganic powders and 1 part of auxiliary agent, and auxiliary agent comprises 0.2 part of adhesive, 0.4 part of compatilizer, 0.2 part of plasticizing agent, 0.1 part of sliding agent and 0.1 part of coupling agent here.Described adhesive is ethylene-vinyl acetate copolymer, and wherein the vinylacetate element of construction accounts for 5% of copolymer weight; Described compatilizer is that haloflex and modified by maleic acid anhydride graft polyethylene are by weight the mixture of 1:1; Described plasticizing agent is butyl phthalate; Described sliding agent is that chlorinated paraffin wax and calcium stearate are by weight the mixture of 1:1.
The production method of above-mentioned high-strength and high ductility high rigidity plastic building template may further comprise the steps:
S1. with waste or used plastics through the extruder fusion, extrude, cooling, pelletizing become uniform plastic grain;
S2. after the waste old of 16 parts by weight being broken into the rubber grain of size below the 30mm in crushing engine, add 0.2 part of adhesive, 0.4 part of compatilizer, 0.2 part of plasticizing agent, 0.1 part of sliding agent and 0.1 part of further broken rubber grain big or small below 10mm of coupling agent, add the broken mixing on one side on one side of 5 parts of inorganic powders again, to be mixed evenly and rubber grain be fractured into the following size of 3mm, obtain the A product;
S3. the A product are extruded pelletizing from head after mixing roll is mixing;
S4. 22 parts of A product and 78 parts of plastic grains are evenly mixed and drying, obtain the B product;
S5. with the B product through the double screw extruder melting mixing evenly after, extrude from the sheet material extrusion mould-outlet;
S6. the B product of extruding from the sheet material extrusion mould-outlet pass through from the gap between a pair of patterned roll, simultaneously, two groups of fortifying fibre nets unreel from separately unreeling machine under the effect of draw-gear, two groups of fortifying fibre nets pass through from the gap between the described a pair of patterned roll in the mode of the patterned roll of fitting respectively, make B product and fortifying fibre net forming together, obtain blanket;
S7. with blanket typing and cooling;
S8. cut the irregular part in blanket both sides, and according to the length of described client's needs blanket is laterally cut, obtain high-strength and high ductility high rigidity plastic building template.
Embodiment 3
The present invention be a kind of high-strength and high ductility high rigidity plastic building template its formed by plastic plate and the two-layer fortifying fibre net that is embedded in the described plastic plate; Wherein, the fortifying fibre net can be the fiberglass gridding cloth that every square meter contains the 240g glass fiber, described plastic plate is made up of 72 parts of waste or used plastics, 18 parts of waste olds, 18 parts of inorganic powders and 2 parts of auxiliary agents, and auxiliary agent comprises 0.4 part of adhesive, 0.8 part of compatilizer, 0.4 part of plasticizing agent, 0.2 part of sliding agent and 0.2 part of coupling agent here.Described adhesive is ethylene-vinyl acetate copolymer, and wherein the vinylacetate element of construction accounts for 18% of copolymer weight; Described compatilizer is haloflex; Described plasticizing agent is ethyl phthalate; Described sliding agent is chlorinated paraffin wax.
The production method of above-mentioned high-strength and high ductility high rigidity plastic building template may further comprise the steps:
S1. with waste or used plastics through the extruder fusion, extrude, cooling, pelletizing become uniform plastic grain;
S2. after the waste old of 18 parts by weight being broken into the rubber grain of size below the 30mm in crushing engine, add 0.4 part of adhesive, 0.8 part of compatilizer, 0.4 part of plasticizing agent, 0.2 part of sliding agent and 0.2 part of further broken rubber grain big or small below 10mm of coupling agent, add the broken mixing on one side on one side of 18 parts of inorganic powders again, to be mixed evenly and rubber grain be fractured into the following size of 3mm, obtain the A product;
S3. the A product are extruded pelletizing from head after mixing roll is mixing;
S4. 28 parts of A product and 72 parts of plastic grains are evenly mixed and drying, obtain the B product;
S5. with the B product through the double screw extruder melting mixing evenly after, extrude from the sheet material extrusion mould-outlet;
S6. the B product of extruding from the sheet material extrusion mould-outlet pass through from the gap between a pair of patterned roll, simultaneously, two groups of fortifying fibre nets unreel from separately unreeling machine under the effect of draw-gear, two groups of fortifying fibre nets pass through from the gap between the described a pair of patterned roll in the mode of the patterned roll of fitting respectively, make B product and fortifying fibre net forming together, obtain blanket;
S7. with blanket typing and cooling;
S8. cut the irregular part in blanket both sides, and according to the length of described client's needs blanket is laterally cut, obtain high-strength and high ductility high rigidity plastic building template.
Above-mentioned each embodiment is to preferred embodiment of the present invention.Should be pointed out that for those skilled in the art under the prerequisite that does not break away from the technology of the present invention principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. high-strength and high ductility high rigidity plastic building template is characterized in that: it is made up of plastic plate and the fortifying fibre of one deck at least net that is embedded in the described plastic plate; Wherein, the composition of described plastic plate and parts by weight thereof are:
48 ~ 78 parts of waste or used plastics
16 ~ 20 parts of waste olds
5 ~ 25 parts of inorganic powders
1 ~ 7 part of auxiliary agent.
2. construction formwork as claimed in claim 1, it is characterized in that: described inorganic powder is a kind of or its any combination in French chalk, pulverized limestone, glass microballoon, flyash and the land plaster.
3. construction formwork as claimed in claim 2, it is characterized in that: described auxiliary agent comprises adhesive, compatilizer, plasticizing agent, sliding agent and coupling agent, and in plastic plate is formed, 0.2 ~ 2 part, 0.4 ~ 2 part, 0.2 ~ 1 part, 0.1 ~ 1 part and 0.1 ~ 1 part respectively of described adhesive, described compatilizer, described plasticizing agent, described sliding agent and described coupling agent.
4. construction formwork as claimed in claim 3, it is characterized in that: described adhesive is ethylene-vinyl acetate copolymer, and wherein the vinylacetate element of construction accounts for 5 ~ 28% of copolymer weight; Described compatilizer is a kind of or its any mixture in chloridized polyolefin, the anhydride grafting modified polyolefin; Described plasticizing agent is phthalate; Described sliding agent is chlorinated paraffin wax, stearate and N, a kind of or its any mixture in N '-ethylene bis stearamide.
5. as any described construction formwork of claim 1 to 4, it is characterized in that: the number of plies of described fortifying fibre net is two-layer.
6. construction formwork as claimed in claim 5, it is characterized in that: described fortifying fibre net is that every square meter contains the fiberglass gridding cloth of 160g glass fiber at least.
7. construction formwork as claimed in claim 6, it is characterized in that: the vinylacetate element of construction accounts for 18 ~ 28% of copolymer weight in the described ethylene-vinyl acetate copolymer; Described compatilizer is a kind of in haloflex, maleic anhydride grafted polyethylene and the maleic anhydride inoculated polypropylene; Described sliding agent is chlorinated paraffin wax; Described coupling agent is silane coupler.
8. the production method of a high-strength and high ductility high rigidity plastic building template is characterized in that may further comprise the steps:
S1. with waste or used plastics through the extruder fusion, extrude, cooling, pelletizing become uniform plastic grain;
S2. after the waste old of 12 ~ 20 parts by weight being broken into the rubber grain of size below the 30mm in crushing engine, add further broken rubber grain big or small below 10mm of 1 ~ 7 part of auxiliary agent, add the broken mixing on one side on one side of 5 ~ 25 parts of inorganic powders again, to be mixed evenly and rubber grain be fractured into the following size of 3mm, obtain the A product;
S3. the A product are extruded pelletizing from head after mixing roll is mixing;
S4. 22 ~ 52 parts of A product and 48 ~ 78 parts of plastic grains are evenly mixed and drying, obtain the B product;
S5. with the B product through the double screw extruder melting mixing evenly after, extrude from the sheet material extrusion mould-outlet;
S6. the B product of extruding from the sheet material extrusion mould-outlet pass through from the gap between a pair of patterned roll, simultaneously, the fortifying fibre net unreels from unreeling machine under the effect of draw-gear, passes through from the gap between the described a pair of patterned roll, make B product and fortifying fibre net forming together, obtain blanket;
S7. with blanket typing and cooling;
S8. cut the irregular part in blanket both sides, and according to the length of described client's needs blanket is laterally cut, obtain high-strength and high ductility high rigidity plastic building template.
9. production method as claimed in claim 8, it is characterized in that: two groups of fortifying fibre nets unreel from separately unreeling machine under the effect of draw-gear among the described step S6, and two groups of fortifying fibre nets pass through from the gap between the described a pair of patterned roll in the mode of the patterned roll of fitting respectively.
10. production method as claimed in claim 8 or 9, it is characterized in that: inorganic powder described in the described step S2 is a kind of or its any combination in French chalk, pulverized limestone, glass microballoon, flyash and the land plaster, described auxiliary agent comprises adhesive, compatilizer, plasticizing agent, sliding agent and coupling agent, and described fortifying fibre net is that every square meter contains the fiberglass gridding cloth of 160g glass fiber at least.
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| CN2013102224286A CN103291068A (en) | 2013-06-06 | 2013-06-06 | High-strength, high-tenacity and high-hardness plastic building template and producing method thereof |
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| CN2013102224286A CN103291068A (en) | 2013-06-06 | 2013-06-06 | High-strength, high-tenacity and high-hardness plastic building template and producing method thereof |
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Cited By (9)
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| CN106049851A (en) * | 2016-05-27 | 2016-10-26 | 河北莫特美橡塑科技有限公司 | Cavity type plastic formwork |
| CN106393735A (en) * | 2016-12-08 | 2017-02-15 | 李德生 | Carbon fiber chlorinated polyethylene rubber and plastic particle synthetic adhesive slab |
| CN106496721A (en) * | 2016-12-08 | 2017-03-15 | 李德生 | Glass fibre haloflex rubber and plastic powdex synthesizes convex offset plate |
| CN106750701A (en) * | 2016-11-24 | 2017-05-31 | 李德生 | Glass fibre waterproofing agent rubber-plastic particle synthesizes offset plate |
| CN107057191A (en) * | 2017-05-03 | 2017-08-18 | 李云全 | A kind of hollow plastic formwork and preparation method thereof |
| CN107759831A (en) * | 2016-08-22 | 2018-03-06 | 苏州伊诺维新材料技术有限公司 | A kind of powder composite particles and preparation method thereof |
| CN110358321A (en) * | 2019-07-30 | 2019-10-22 | 浙江互融新材料科技有限公司 | A kind of environment-friendly type high tenacity flame retardant plastics base composite board and preparation method thereof |
| CN110358322A (en) * | 2019-07-30 | 2019-10-22 | 浙江互融新材料科技有限公司 | A kind of plastics base composite board and preparation method thereof of flyash filling |
| CN115306143A (en) * | 2022-09-13 | 2022-11-08 | 安徽镝伟达新材料科技有限公司 | Reinforced hollow plastic composite template for pouring concrete |
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| CN106496721A (en) * | 2016-12-08 | 2017-03-15 | 李德生 | Glass fibre haloflex rubber and plastic powdex synthesizes convex offset plate |
| CN107057191A (en) * | 2017-05-03 | 2017-08-18 | 李云全 | A kind of hollow plastic formwork and preparation method thereof |
| CN110358321A (en) * | 2019-07-30 | 2019-10-22 | 浙江互融新材料科技有限公司 | A kind of environment-friendly type high tenacity flame retardant plastics base composite board and preparation method thereof |
| CN110358322A (en) * | 2019-07-30 | 2019-10-22 | 浙江互融新材料科技有限公司 | A kind of plastics base composite board and preparation method thereof of flyash filling |
| CN115306143A (en) * | 2022-09-13 | 2022-11-08 | 安徽镝伟达新材料科技有限公司 | Reinforced hollow plastic composite template for pouring concrete |
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