CN105001557A - Method for preparing building formwork through waste PVC plastic steel material - Google Patents
Method for preparing building formwork through waste PVC plastic steel material Download PDFInfo
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- CN105001557A CN105001557A CN201510480409.2A CN201510480409A CN105001557A CN 105001557 A CN105001557 A CN 105001557A CN 201510480409 A CN201510480409 A CN 201510480409A CN 105001557 A CN105001557 A CN 105001557A
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- plastic steel
- pvc plastic
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- 239000000463 material Substances 0.000 title claims abstract description 79
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 33
- 239000010959 steel Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000002699 waste material Substances 0.000 title abstract description 13
- 238000009415 formwork Methods 0.000 title abstract 4
- 238000005520 cutting process Methods 0.000 claims abstract description 12
- 238000001125 extrusion Methods 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 38
- 239000004609 Impact Modifier Substances 0.000 claims description 16
- 239000003963 antioxidant agent Substances 0.000 claims description 16
- 230000003078 antioxidant effect Effects 0.000 claims description 16
- 239000011941 photocatalyst Substances 0.000 claims description 16
- 238000007493 shaping process Methods 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 13
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000005187 foaming Methods 0.000 claims description 11
- 238000012856 packing Methods 0.000 claims description 11
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 10
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000006229 carbon black Substances 0.000 claims description 6
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 claims description 6
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 6
- 239000004408 titanium dioxide Substances 0.000 claims description 6
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 claims description 5
- 239000008187 granular material Substances 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000011068 loading method Methods 0.000 claims description 5
- 238000002203 pretreatment Methods 0.000 claims description 5
- 238000007639 printing Methods 0.000 claims description 5
- 239000011787 zinc oxide Substances 0.000 claims description 5
- 239000004135 Bone phosphate Substances 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 claims description 3
- 150000005002 naphthylamines Chemical class 0.000 claims description 3
- QRCJOCOSPZMDJY-UHFFFAOYSA-N valnoctamide Chemical compound CCC(C)C(CC)C(N)=O QRCJOCOSPZMDJY-UHFFFAOYSA-N 0.000 claims description 3
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 claims description 2
- VWGKEVWFBOUAND-UHFFFAOYSA-N 4,4'-thiodiphenol Chemical compound C1=CC(O)=CC=C1SC1=CC=C(O)C=C1 VWGKEVWFBOUAND-UHFFFAOYSA-N 0.000 claims description 2
- 229920002943 EPDM rubber Polymers 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- -1 Ursol D Chemical compound 0.000 claims description 2
- 229910052980 cadmium sulfide Inorganic materials 0.000 claims description 2
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N pentanoic acid group Chemical group C(CCCC)(=O)O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 238000007781 pre-processing Methods 0.000 abstract 1
- 239000002023 wood Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 235000013312 flour Nutrition 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000013502 plastic waste Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/08—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2455/00—Characterised by the use of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08J2423/00 - C08J2453/00
- C08J2455/02—Acrylonitrile-Butadiene-Styrene [ABS] polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention relates to a method for preparing a building formwork through waste PVC plastic steel material, and belongs to the field of waste resourceful treatment. The method includes the following steps of firstly, preprocessing the waste PVC plastic steel material; secondly, mixing the material with accessories; thirdly, conducting extrusion molding; fourthly, conducting cutting and packaging. By means of the method, the waste PVC material can be recycled, the process is simple, cost is low, the obtained building formwork is not prone to deformation and is long in service life, and waste building formworks can be recycled.
Description
Technical field
The present invention relates to changing rejected material to useful resource process field, be specifically related to the method that building template prepared by discarded PVC plastic steel material.
Background technology
In the constructions such as house building, bridge, tunnel construction and fragment of brick production, often application concrete depositing technique, concrete placement needs template.Conventional template comprises plank and steel plate, due to plank resource scarcity, steel plate is too heavy again, now use synthesis building template gradually instead, what described synthesis building template was wherein commonly used has wood plastic building mould, wood plastic building mould is made up of regenerated particle such as plastic waste PP, ABS, PVC, PE, and the inside is mixed with wood powder or plant rod powder is that stopping composition produces (black), and its shortcoming is: be heated under the sun and can be out of shape; Sub-zero zero nail one nail can ftracture; Easily break when high-altitude is dropped; Winter can not construct; Another kind is stone flour plastic building template.Stone flour plastic building template be by plastic waste PP, ABS,
The regenerated particle such as PVC, PE composition, the inside weighting material is stone flour, and the shortcoming of this plate also exists temperature distortion under the sun equally; Sub-zero zero nail one nail can ftracture; High-altitude is dropped and is easily broken; Winter can not construct, and also have maximum drawback to be that thermostability is bad, temperature is too high, occurs wave-like, and the number of turnover is few.And it is few that above-mentioned two kinds of synthesis building templates also also exist specification, and spell mould inconvenience, loss is large, and surface is sticky concrete easily, needs brush releasing agent, demoulding trouble; Meet water template and there will be demixing phenomenon.Can only be assembled with fritter, time-consumingly to take a lot of work; Useless template is without utility value, not recyclable.
Petroleum resources are faced with exhaustion, and the PVC that last century, ultimogeniture was produced scraps successively, after 20 years, this numeral likely increases, arbitrarily abandoning of PVC waste product also result in Heavy environmental pollution, in this condition, PVC door and window crushed material is adopted to replace wood glue plate to become irresistible trend as the template that major ingredient is produced, so, quietly rose a kind of New Building Materials-PVC building template in recent years.This type material, embodies environmental protection concept, turns waste into wealth, and has greatly saved petroleum resources and the forest reserves, and reduce carbon emission, and drop to minimum by the harm of PVC waste to environment, more reducing building cost, is help from government project.
Adopt waste PVC plastic-steel material to prepare building template, the recycle of PVC plastic steel material can be realized, but existing composition and engineering exists complex process, cost building template that is high, that obtain easily is out of shape, the shortcomings such as work-ing life is short.
Summary of the invention
In order to solve the problems referred to above that prior art exists, the invention provides the method that building template prepared by discarded PVC plastic steel material, the recycle of waste and old PVC material can be realized, technique is simple, and cost is low, and the building template obtained is not yielding, long service life, waste and old building template can recycle.
The technical solution adopted in the present invention is:
The method of building template prepared by discarded PVC plastic steel material, it is characterized in that, comprises the following steps:
The method of building template prepared by discarded PVC plastic steel material, it is characterized in that, comprises the following steps:
(1) pre-treatment of useless PVC plastic steel material, will discard PVC plastic steel material through broken, being crushed to granularity is 0.1-2cm, then obtains comparatively pure PVC granule material through pneumatic separating, and then this material is carried out fine grinding, obtain PVC finer abrasive;
(2) prepare burden, PVX finer abrasive, whipping agent, weighting agent, properties-correcting agent are added in stirrer according to the 85-95%:2.5-4.5%:0.5-1.5%:1-2% of total mass, first is 100-130 DEG C of mix and blend 5-120 minute in temperature, mixing speed is 300-800r/min, and then to be cooled to temperature be 40-60 DEG C;
(3) extrusion molding, by cooled for step (2) material material loading to aggregate bin, then be extruded in shaper by forcing machine, and then enter in shaping platform, in shaping platform, heated material makes material start foaming, being heated to temperature is 150-210 DEG C, be cooled to temperature on the upper and lower both sides of shaping platform is 20-40 DEG C simultaneously, and foamed time is 0.5-5 hour, and the PVC board obtained after foaming carries out stamp after traction, printing temperature is 180-230 DEG C, and the stamp time is 5-30 minute;
(4) cutting packing, obtains product by the stamp sheet material obtained through cutting packing.
Further, during described step 1 pneumatic separating, wind speed is 10-50m/s, and blast is the granularity of 0.2-0.7Mpa, PVC finer abrasive is 0.01-0.1cm.
Further, described step 2 whipping agent is at least one in AC whipping agent, AP whipping agent, supercarbonate, weighting agent is at least one in carbon black, white carbon black, calcium carbonate, titanium dioxide, properties-correcting agent includes stablizer, antioxidant, photocatalyst, anti-impact modifier, and the mass ratio of stablizer, antioxidant, photocatalyst, anti-impact modifier is 1:0.1-0.5:0.05-0.1:0.05-0.1.
Further, when described step 3 forcing machine is extruded, the temperature keeping material is 50-70 DEG C, and extrusion pressure is 8-11Mpa, and screw speed is 60-80r/min.
Further, described stamp adopts heating graining roll, and then graining roll rotates and contacts with PVC board, is imprinted in PVC board by decorative pattern.
Further, described stablizer is at least one in lead sulfate tribasic, zinc oxide, two base Lead Phosphite, Dibasic (Coated)s, antioxidant is at least one in Resorcinol, thiobisphenol, naphthylamines, pentanoic, Ursol D, quinoline, photocatalyst is at least one in titanium dioxide, zinc oxide, Cadmium Sulfide, tindioxide, and anti-impact modifier is at least one in ABS, MBS, EPDM, TPE, CPE.
Beneficial effect of the present invention is:
1. the recycle of waste and old PVC material, technique is simple, and cost is low, adopt discarded PVC plastic steel material to prepare building template, the recycle that discarded PVC expects can be realized, reduce environmental pollution, adopt the technique of pre-treatment-batching-extrusion molding-cutting packing, step is simple, and cost is low simultaneously.
2. the building template obtained is not yielding, long service life, owing to the addition of stablizer, antioxidant, photocatalyst, anti-impact modifier in formula, the intensity of template can be improved, avoid weathering and the oxidation of template simultaneously, improve its work-ing life, in shaping platform, adopt inner foaming simultaneously, the technique of exterior cooling skinning, substantially increases the stability of building template, avoids distortion.
3. improve value-added content of product and aesthetic property, add revenue stamp process in distraction procedure, can stamp on building template again, the added value of building template can be improved, improve its aesthetic property simultaneously.
Embodiment
Below in conjunction with concrete example; the method that building template prepared by discarded PVC plastic steel material described in the present patent application is described and is illustrated; object is in order to the public better understands technology contents of the present invention; instead of the restriction to described technology contents; under identical or approximate principle, to the improvement that described processing step carries out, comprise reaction conditions, agents useful for same improvement and replace; reach identical object, then all within the present patent application technical scheme required for protection.
Embodiment one
The method of building template prepared by discarded PVC plastic steel material, it is characterized in that, comprises the following steps:
(1) pre-treatment of useless PVC plastic steel material, will discard PVC plastic steel material through broken, being crushed to granularity is 1cm, then obtains comparatively pure PVC granule material through pneumatic separating, and then this material is carried out fine grinding, obtain PVC finer abrasive;
(2) prepare burden, add in stirrer by PVX finer abrasive, whipping agent, weighting agent, properties-correcting agent according to the 93%:4%:1%:2% of total mass, be first 115 DEG C of mix and blends 10 minutes in temperature, mixing speed is 500r/min, and then to be cooled to temperature be 45 DEG C;
(3) extrusion molding, by cooled for step (2) material material loading to aggregate bin, then be extruded in shaper by forcing machine, and then enter in shaping platform, in shaping platform, heated material makes material start foaming, being heated to temperature is 180 DEG C, be cooled to temperature on the upper and lower both sides of shaping platform is 30 DEG C simultaneously, and foamed time is 1 hour, and the PVC board obtained after foaming carries out stamp after traction, printing temperature is 190 DEG C, and the stamp time is 15 minutes;
(4) cutting packing, obtains product by the stamp sheet material obtained through cutting packing.
During described step 1 pneumatic separating, wind speed is 40m/s, and blast is the granularity of 0.4Mpa, PVC finer abrasive is 0.05cm.
Described step 2 whipping agent is AC whipping agent, weighting agent is carbon black, properties-correcting agent includes stablizer, antioxidant, photocatalyst, anti-impact modifier, and the mass ratio of stablizer, antioxidant, photocatalyst, anti-impact modifier is 1:0.25:0.075:0.06.
When described step 3 forcing machine is extruded, the temperature keeping material is 60 DEG C, and extrusion pressure is 9Mpa, and screw speed is 70r/min.
Described stamp adopts heating graining roll, and then graining roll rotates and contacts with PVC board, is imprinted in PVC board by decorative pattern.
Described stablizer is lead sulfate tribasic, and antioxidant is Resorcinol, and photocatalyst is titanium dioxide, and anti-impact modifier is ABS.
Embodiment two
The method of building template prepared by discarded PVC plastic steel material, it is characterized in that, comprises the following steps:
(1) pre-treatment of useless PVC plastic steel material, will discard PVC plastic steel material through broken, being crushed to granularity is 1.5cm, then obtains comparatively pure PVC granule material through pneumatic separating, and then this material is carried out fine grinding, obtain PVC finer abrasive;
(2) prepare burden, PVX finer abrasive, whipping agent, weighting agent, properties-correcting agent are added in stirrer according to the 94%:4%:0.8%:1.2% of total mass, be first 120 DEG C of mix and blends 20 minutes in temperature, mixing speed is 400r/min, and then to be cooled to temperature be 50 DEG C;
(3) extrusion molding, by cooled for step (2) material material loading to aggregate bin, then be extruded in shaper by forcing machine, and then enter in shaping platform, in shaping platform, heated material makes material start foaming, being heated to temperature is 200 DEG C, be cooled to temperature on the upper and lower both sides of shaping platform is 30 DEG C simultaneously, and foamed time is 2 hours, and the PVC board obtained after foaming carries out stamp after traction, printing temperature is 200 DEG C, and the stamp time is 25 minutes;
(4) cutting packing, obtains product by the stamp sheet material obtained through cutting packing.
During described step 1 pneumatic separating, wind speed is 30m/s, and blast is the granularity of 0.4Mpa, PVC finer abrasive is 0.05cm.
Described step 2 whipping agent is supercarbonate, weighting agent is calcium carbonate, properties-correcting agent includes stablizer, antioxidant, photocatalyst, anti-impact modifier, and the mass ratio of stablizer, antioxidant, photocatalyst, anti-impact modifier is 1:0.4:0.08:0.08.
When described step 3 forcing machine is extruded, the temperature keeping material is 60 DEG C, and extrusion pressure is 10Mpa, and screw speed is 70r/min.
Described stamp adopts heating graining roll, and then graining roll rotates and contacts with PVC board, is imprinted in PVC board by decorative pattern.
Described stablizer is zinc oxide, and antioxidant is naphthylamines, and photocatalyst is tindioxide, and anti-impact modifier is CPE.
Embodiment three
The method of building template prepared by discarded PVC plastic steel material, it is characterized in that, comprises the following steps:
(1) pre-treatment of useless PVC plastic steel material, will discard PVC plastic steel material through broken, being crushed to granularity is 0.1-2cm, then obtains comparatively pure PVC granule material through pneumatic separating, and then this material is carried out fine grinding, obtain PVC finer abrasive;
(2) prepare burden, PVX finer abrasive, whipping agent, weighting agent, properties-correcting agent are added in stirrer according to the 94%:3.5%:1%:1.5% of total mass, be first 120 DEG C of mix and blends 30 minutes in temperature, mixing speed is 400r/min, and then to be cooled to temperature be 55 DEG C;
(3) extrusion molding, by cooled for step (2) material material loading to aggregate bin, then be extruded in shaper by forcing machine, and then enter in shaping platform, in shaping platform, heated material makes material start foaming, being heated to temperature is 205 DEG C, be cooled to temperature on the upper and lower both sides of shaping platform is 30 DEG C simultaneously, and foamed time is 1 hour, and the PVC board obtained after foaming carries out stamp after traction, printing temperature is 195 DEG C, and the stamp time is 25 minutes;
(4) cutting packing, obtains product by the stamp sheet material obtained through cutting packing.
During described step 1 pneumatic separating, wind speed is 40m/s, and blast is the granularity of 0.6Mpa, PVC finer abrasive is 0.09cm.
Described step 2 whipping agent is AP whipping agent, weighting agent is carbon black, properties-correcting agent includes stablizer, antioxidant, photocatalyst, anti-impact modifier, and the mass ratio of stablizer, antioxidant, photocatalyst, anti-impact modifier is 1:0.4:0.09:0.07.
When described step 3 forcing machine is extruded, the temperature keeping material is 60 DEG C, and extrusion pressure is 9.5Mpa, and screw speed is 70r/min.
Described stamp adopts heating graining roll, and then graining roll rotates and contacts with PVC board, is imprinted in PVC board by decorative pattern.
Described stablizer is two base Lead Phosphite, Dibasic (Coated)s, and antioxidant is quinoline, and photocatalyst is titanium dioxide, and anti-impact modifier is TPE.
The present invention is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present invention; no matter but any change is done in its shape or structure; every have identical with the application or akin technical scheme, all drops within protection scope of the present invention.
Claims (6)
1. the method for building template prepared by discarded PVC plastic steel material, it is characterized in that, comprises the following steps:
The pre-treatment of useless PVC plastic steel material, will discard PVC plastic steel material through broken, being crushed to granularity is 0.1-2cm, then obtains comparatively pure PVC granule material through pneumatic separating, and then this material is carried out fine grinding, obtain PVC finer abrasive;
Batching, PVX finer abrasive, whipping agent, weighting agent, properties-correcting agent are added in stirrer according to the 85-95%:2.5-4.5%:0.5-1.5%:1-2% of total mass, first is 100-130 DEG C of mix and blend 5-120 minute in temperature, mixing speed is 300-800r/min, and then to be cooled to temperature be 40-60 DEG C;
Extrusion molding, by cooled for step (2) material material loading to aggregate bin, then be extruded in shaper by forcing machine, and then enter in shaping platform, in shaping platform, heated material makes material start foaming, being heated to temperature is 150-210 DEG C, be cooled to temperature on the upper and lower both sides of shaping platform is 20-40 DEG C simultaneously, and foamed time is 0.5-5 hour, and the PVC board obtained after foaming carries out stamp after traction, printing temperature is 180-230 DEG C, and the stamp time is 5-30 minute;
Cutting packing, obtains product by the stamp sheet material obtained through cutting packing.
2. the method for building template prepared by discarded PVC plastic steel material according to claim 1, it is characterized in that, during described step 1 pneumatic separating, wind speed is 10-50m/s, and blast is the granularity of 0.2-0.7Mpa, PVC finer abrasive is 0.01-0.1cm.
3. the method for building template prepared by discarded PVC plastic steel material according to claim 1, it is characterized in that, described step 2 whipping agent is at least one in AC whipping agent, AP whipping agent, supercarbonate, weighting agent is at least one in carbon black, white carbon black, calcium carbonate, titanium dioxide, properties-correcting agent includes stablizer, antioxidant, photocatalyst, anti-impact modifier, and the mass ratio of stablizer, antioxidant, photocatalyst, anti-impact modifier is 1:0.1-0.5:0.05-0.1:0.05-0.1.
4. the method for building template prepared by discarded PVC plastic steel material according to claim 1, it is characterized in that, when described step 3 forcing machine is extruded, the temperature keeping material is 50-70 DEG C, and extrusion pressure is 8-11Mpa, and screw speed is 60-80r/min.
5. the method for building template prepared by discarded PVC plastic steel material according to claim 1, it is characterized in that, described stamp adopts heating graining roll, and then graining roll rotates and contacts with PVC board, is imprinted in PVC board by decorative pattern.
6. the method for building template prepared by discarded PVC plastic steel material according to claim 3, it is characterized in that, described stablizer is at least one in lead sulfate tribasic, zinc oxide, two base Lead Phosphite, Dibasic (Coated)s, antioxidant is at least one in Resorcinol, thiobisphenol, naphthylamines, pentanoic, Ursol D, quinoline, photocatalyst is at least one in titanium dioxide, zinc oxide, Cadmium Sulfide, tindioxide, and anti-impact modifier is at least one in ABS, MBS, EPDM, TPE, CPE.
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