CN104710808A - Method for processing municipal manhole cover from waste mulching films - Google Patents
Method for processing municipal manhole cover from waste mulching films Download PDFInfo
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- CN104710808A CN104710808A CN201510169086.5A CN201510169086A CN104710808A CN 104710808 A CN104710808 A CN 104710808A CN 201510169086 A CN201510169086 A CN 201510169086A CN 104710808 A CN104710808 A CN 104710808A
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- 239000002699 waste material Substances 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000012545 processing Methods 0.000 title claims abstract description 16
- 239000011521 glass Substances 0.000 claims abstract description 30
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 20
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 239000000314 lubricant Substances 0.000 claims abstract description 11
- 239000003607 modifier Substances 0.000 claims abstract description 11
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 10
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 10
- 235000010216 calcium carbonate Nutrition 0.000 claims abstract description 10
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 10
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000008117 stearic acid Substances 0.000 claims abstract description 10
- 230000004048 modification Effects 0.000 claims description 19
- 238000012986 modification Methods 0.000 claims description 19
- MCWXGJITAZMZEV-UHFFFAOYSA-N dimethoate Chemical compound CNC(=O)CSP(=S)(OC)OC MCWXGJITAZMZEV-UHFFFAOYSA-N 0.000 claims description 10
- 239000003112 inhibitor Substances 0.000 claims description 10
- 230000003647 oxidation Effects 0.000 claims description 10
- 238000007254 oxidation reaction Methods 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 8
- 229920000642 polymer Polymers 0.000 claims description 3
- 238000003756 stirring Methods 0.000 abstract description 12
- 238000002156 mixing Methods 0.000 abstract description 9
- 230000035939 shock Effects 0.000 abstract description 5
- 239000003063 flame retardant Substances 0.000 abstract description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 3
- 239000004005 microsphere Substances 0.000 abstract description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 239000003963 antioxidant agent Substances 0.000 abstract 1
- 230000003078 antioxidant effect Effects 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 239000010881 fly ash Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 150000001875 compounds Chemical class 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000007689 inspection Methods 0.000 description 5
- 229920001223 polyethylene glycol Polymers 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229940126062 Compound A Drugs 0.000 description 4
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000003981 vehicle Substances 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 239000006087 Silane Coupling Agent Substances 0.000 description 2
- 238000005576 amination reaction Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 229960001701 chloroform Drugs 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000033444 hydroxylation Effects 0.000 description 2
- 238000005805 hydroxylation reaction Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000000967 suction filtration Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000001291 vacuum drying Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 1
- 101710134784 Agnoprotein Proteins 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000010065 bacterial adhesion Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- -1 compatilizer Substances 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229960001760 dimethyl sulfoxide Drugs 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 239000002362 mulch Substances 0.000 description 1
- 239000013502 plastic waste Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000012745 toughening agent Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 1
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- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention discloses a method for a processing municipal manhole cover from waste mulching films. The manhole cover is prepared from 100 parts of waste mulching film, 0.3-1 part of antioxidant, 0.5-0.8 part of nano SiO2, 15-35 parts of nano CaCO3, 2-5 parts of stearic acid, 2-3 parts of compatilizer, 2-4 parts of lubricant, 0.2-0.6 part of anti-ultraviolet agent, 15-20 parts of modified hollow glass microsphere, 10-12 parts of graphite powder, 3-5 parts of spherical nano silver powder and 3-7 parts of polyphosphoamide flame-retardant modifier. The method comprises the following steps: mixing and stirring the raw materials to a molten state, banburying and carrying out pressure molding. The municipal manhole cover has the advantages of elegant appearance, high shock strength and long service life, and can be used for various manhole facilities. By adopting the waste mulching films as the main raw material, the municipal manhole cover changes wastes into valuable substances, lowers the investment cost, has favorable economic benefit and social benefit, enhances the processing efficiency and is easy to form.
Description
Technical field
The present invention relates to a kind of municipal manhole cover utilizing waste mulching film to process, belong to road equipment technical field, specifically utilize waste mulching film to process the method for municipal manhole cover.
Background technology
Well lid is the closure at the top, gangway leading to underground installation, very common on urban road.It is attractive in appearance that " black hole " that manhole cover lacks not only affects road, more produces potential potential safety hazard to pedestrian, vehicle safety.In recent years, along with the develop rapidly of China's economy, the market demand of well lid in city planning and Road construction is huge.Traditional manhole cover adopts reinforced concrete well lid and casting iron well lid, reinforced concrete well lid is higher to construction technical requirement, deal with improperly and well lid and road can be made not concordant, the passing easy generation of vehicle loosens, and the power that withstands shocks is larger, finally causes corner breakage even to be ruptured, in addition reinforced concrete well lid is all very heavy, open well lid difficulty during maintenance management, and once pry open well lid, often cause well lid corner damaged; Casting iron well lid is applied more at present, but easily stolen and fragility is comparatively obvious, easily causes corner damaged.
, fragility heavy for traditional well lid obviously, easily stolen defect, in recent years about the research of novel material well lid becomes focus, highstrenghtpiston's well lid occurs thereupon, not only solves the defect that traditional well lid exists, and aesthetic in appearance generous, is loved by the people.At present, about the report of plastics well lid is more, but mostly all adopting compound resin virgin material to make, still there is the high problem of cost in it, and intensity and various resistance can not meet manhole demand completely, there is certain potential safety hazard.In addition, technics of reclaim of plastic waste processing is also new industry in recent years, and problem that it not only solves " white pollution ", also for industry brings significant economic benefit.Produce municipal manhole cover with waste mulching film, will obtain larger Social benefit and economic benefit, both can turn waste into wealth realizes recycle, can meet again the quantity demand of municipal manhole cover.
At present, utilize the report of waste mulching film processing well lid less, and mostly adopt ordinary fly ash as filler to improve performance, be entitled as disclosed in patent CN 101049714 A disclosed in " method making well lid of worn-out agricultural film ", CN 104031307 A and be entitled as " a kind of compound resin well cover ", the former discloses " adopting worn-out agricultural film and flyash to be the well lid of Raw material processing ", both the problem that waste mulching film pollutes had been solved, realization is turned waste into wealth environmental protection and economy, again flyash is combined together as strongthener and plastic sheeting for farm use, reach the object of well lid high strength.The latter discloses " by waste and old 30 ~ 50 parts, PE material, high pressure mulch film 20 ~ 40 parts of parts, flyash 20 ~ 40 parts of compound resin well covers be processed into ", also reaches the object same with the former.But, due to a large amount of flyash will be added in preparation process, and flyash flying dust cause workman's soakage large, to healthy generation harm, and flyash exists very large limitation to the enhancement of well lid, can not meet requirements at the higher level completely, the more important thing is that flyash adds and rear plastics toughness to be had an impact, make well lid fragility obvious, toughness is not enough and pry open when safeguarding corner can be caused damaged.In addition, there is other deficiencies in these the two sections disclosed well lids of report, lack corresponding auxiliary agent and cause difficulty of processing large, the processing units produced as lacked lubricant requires height.The more important thing is, because plastics utilize its various mechanical property rear to decline, waste or used plastics should add corresponding toughener in second stage employ, but is application in these two sections reports.Comprehensively above-mentioned, there is resistance to impact shock difference in the existing well lid utilizing waste mulching film to process, fragility is obvious, over-all properties is not enough, the defects such as difficulty of processing.
Summary of the invention
The object of the invention is to: a kind of method utilizing waste mulching film to process municipal manhole cover is provided, add the strongthener such as modified glass microspheres, spherical nano-silver powder, poly-phosphamide flame-proof modifier, Graphite Powder 99, make that the manhole cover resistance to impact shock of preparation is higher, wear resistance, hardness is better, and have good flame retardant properties.
To achieve these goals, the present invention adopts following technical scheme:
The municipal manhole cover utilizing waste mulching film to process, is characterized in that: this well lid is made up of the Raw material processing of following weight part: waste mulching film 100 parts, 0.3 ~ 1 part, oxidation inhibitor, Nano-meter SiO_2
20.5 ~ 0.8 part, Nano-meter CaCO3
315 ~ 35 parts, stearic acid 2 ~ 5 parts, compatilizer 2 ~ 3 parts, lubricant 2 ~ 4 parts, anti UV agent 0.2 ~ 0.6 part, modification hollow glass micropearl 15 ~ 20 parts, Graphite Powder 99 10 ~ 12 parts, spherical nano-silver powder 3 ~ 5 parts, poly-phosphamide flame-proof modifier 3 ~ 7 parts.
As preferably, described municipal manhole cover is made up of the Raw material processing of following weight part: waste mulching film 100 parts, 0.5 ~ 0.7 part, oxidation inhibitor, Nano-meter SiO_2
20.6 ~ 0.8 part, Nano-meter CaCO3
328 ~ 32 parts, stearic acid 3 ~ 4 parts, compatilizer 2.4 ~ 2.8 parts, lubricant 2.7 ~ 3.5 parts, anti UV agent 0.3 ~ 0.4 part, modification hollow glass micropearl 18 ~ 20 parts, Graphite Powder 99 10 ~ 12 parts, spherical nano-silver powder 3.5 ~ 4 parts, poly-phosphamide flame-proof modifier 4.5 ~ 7 parts.
As preferred further, described municipal manhole cover is made up of the Raw material processing of following weight part: waste mulching film 100 parts, 0.6 part, oxidation inhibitor, Nano-meter SiO_2
20.7 part, Nano-meter CaCO3
330 parts, stearic acid 3.5 parts, compatilizer 2.5 parts, lubricant 3 parts, anti UV agent 0.4 part, modification hollow glass micropearl 19 parts, Graphite Powder 99 11.5 parts, spherical nano-silver powder 4 parts, poly-phosphamide flame-proof modifier 6 parts.
Further, described modification hollow glass micropearl adopts the method for a kind of polymer surface modification hollow glass micropearl disclosed in patent CN 103865295 A to prepare.
Further, described spherical nano-silver powder adopts a kind of highly dispersible spherical nano-silver powder and preparation method thereof disclosed in patent CN 101716684 A to prepare.
Further, described waste mulching film is through cleaning, broken gained material grain.
Get the raw materials ready according to said ratio, then prepared by following steps:
1) by the waste mulching film of described weight part, modification hollow glass micropearl, Graphite Powder 99, Nano-meter CaCO3
3, lubricant, compatilizer, after stearic acid mixing, be heated with stirring to 180 ~ 240 DEG C, when waste mulching film melts, accelerate stirring 30 ~ 60 minutes, make each mixing of materials evenly, obtain compound A;
2) by step 1) compound A proceed in Banbury mixer and carry out banburying 20 ~ 30 minutes, be heated to 280 ~ 320 DEG C while banburying, add oxidation inhibitor, Nano-meter SiO_2 under fast stirring
2, anti UV agent, modification hollow glass micropearl, spherical nano-silver powder, poly-phosphamide flame-proof modifier, then holding temperature stirs 20 ~ 50 minutes, each material is fully merged evenly, obtains compound B;
3) by step 2) gained compound B puts into mould, moulded section, and molding temperature is 180 DEG C, and pressure is 2800 ~ 4500KN, and pressurize 30 minutes can obtain municipal manhole cover of the present invention.
Compared with the existing manhole cover utilizing waste mulching film to prepare, beneficial effect of the present invention is:
1) Nano-meter CaCO3 is adopted
3, Graphite Powder 99 replace flyash make filler, improve wear resistance and the rigidity hardness of well lid, in road inspection well facility, the passing well lid that can not cause of vehicle is out of shape, life-time service is without the need to changing, and not flying dust in process of production, little to the healthy harm of workman.
2) adopt modification hollow glass micropearl strongthener mechanical property, make manhole cover resistance to impact shock and ultimate compression strength higher, and not easy fracture, pry open in road equipment Inspection and maintenance process and corner can not be caused damaged, especially mechanical property is better.
3) adopt spherical nano-silver powder to improve the anti-microbial property of material, when for water drain, can not bacterial adhesion be produced, can not harm be produced when Inspection and maintenance to workman is healthy, and maintain the aesthetic appearance of well lid.
4) be added into halogen-free flame retardants, make well lid have good flame retardant properties; Add oxidation inhibitor, anti UV agent, extend well lid work-ing life, reduce and safeguard replacement frequency, save cost.
5) generous, excellent in cushion effect, the long service life of municipal manhole cover good looking appearance of the present invention, can be applicable to various inspection chamber facility, and adopt waste mulching film to be main raw material, not only solve " white pollution " to turn waste into wealth, reduce cost of investment, there is good economic benefit and social benefit, and improve working (machining) efficiency, easy-formation.
Embodiment
Below in conjunction with specific embodiment, technical scheme of the present invention is described further, is intended to help same domain technician to understand and implement, does not limit interest field.
In the examples below, described modification hollow glass micropearl is prepared by following steps:
1. hollow glass micropearl surface hydroxylation: the hollow glass micropearl of certain mass is joined in certain density sodium hydroxide solution, stirred at ambient temperature 2 ~ 8h, filter and take out hollow glass micropearl, be first that 0.1% ~ 1% aqueous acetic acid washs hollow glass micropearl by volume percent, washing is carried out 5 ~ 10 times again with deionized water, until washings pH value is in 6 ~ 8 scopes, then by the vacuum-drying 6 ~ 12 hours at 70 ~ 80 DEG C of the hollow glass micropearl that obtains;
2. the preparation of silane coupler solution: the silane coupling agent taking certain mass is dissolved in the mixing solutions of water-ethanol, then uses acetum regulator solution pH value in 4 ~ 6 scopes;
3. the preparation of surface amination hollow glass micropearl: surface hydroxylation hollow glass micropearl step 1. prepared joins in the water-ethanol mixing solutions of the silane coupling agent that 2. step is prepared, stirred at ambient temperature reaction 3 ~ 10 hours, then taken out and left standstill 3 ~ 5 days in atmosphere, then being placed in baking oven at 80 DEG C dry 12 ~ 24 hours;
4. mono methoxy polyethylene glycol (MPEG) terminal hydroxy group aldehyde radical: a certain amount of MPEG is dissolved in anhydrous dimethyl sulphoxide solution; and add a small amount of trichloromethane; under nitrogen protection, add the diacetyl oxide of certain volume, stir lower room temperature reaction 12 ~ 24 hours.After reaction terminates, poured in cold diethyl ether by the mixing solutions obtained and precipitate, suction filtration continues after obtaining the thick product of PEG of aldehyde radical to dissolve with a small amount of trichloromethane, suction filtration is precipitated again with cold diethyl ether, after repetition like this 2 ~ 3 times, decompress filter, obtains the MPEG of aldehyde radical after dry 24 ~ 48 hours under room temperature;
5. the preparation of the hollow glass micropearl of surface aggregate thing modification: the hollow glass micropearl of surface amination step 3. prepared joins in the mixing solutions of acetic acid and methyl alcohol; add a certain amount of aldehyde radical MPEG; under nitrogen protection; stirred at ambient temperature reaction is after 24 ~ 28 hours; add a small amount of cyano group boron hydracid sodium; continue reaction 48 ~ 72 hours; by hollow glass bead take out and with after a large amount of deionized water wash, at 60 DEG C, vacuum-drying obtains the hollow glass micropearl product of final polymer modification after 12 ~ 24 hours.
Described spherical nano-silver powder is prepared by following processing step:
1. PEG and deionized water are pressed 1:(0.005 ~ 5) mixed in molar ratio, stir, the molecular weight of described PEG is 3500;
2. by AgNO
3with glucose solids in molar ratio for 1:(0.005 ~ 2) mix, join step 1. in gained PEG solution, dissolving, stir, temperature is under 20 ~ 70 DEG C of conditions, reacts 2 ~ 10 hours;
3. by step 2. product centrifugal, filter, with distilled water wash, obtain spherical nano-silver powder.
Embodiment 1
The municipal manhole cover utilizing waste mulching film to process, its feed composition and weight part are: waste mulching film 100kg, oxidation inhibitor 0.6kg, Nano-meter SiO_2
20.7kg, Nano-meter CaCO3
330kg, stearic acid 3.5kg, compatilizer 2.5kg, lubricant 3kg, anti UV agent 0.4kg, modification hollow glass micropearl 19kg, Graphite Powder 99 11.5 parts, spherical nano-silver powder 4kg, poly-phosphamide flame-proof modifier 6kg.
Get the raw materials ready according to said ratio, then prepared by following steps:
1) by after the waste mulching film of described weight part, modification hollow glass micropearl, Graphite Powder 99, nm level CaCO_3, lubricant, compatilizer, stearic acid mixing, be heated with stirring to 180 ~ 240 DEG C, when waste mulching film melts, accelerate stirring 30 ~ 60 minutes, make each mixing of materials even, obtain compound A;
2) by step 1) compound A proceed in Banbury mixer and carry out banburying 20 ~ 30 minutes, 280 ~ 320 DEG C are heated to while banburying, add oxidation inhibitor, nanosized SiO_2, anti UV agent, modification hollow glass micropearl, spherical nano-silver powder, poly-phosphamide flame-proof modifier under fast stirring, then holding temperature stirs 20 ~ 50 minutes, each material is fully merged evenly, obtains compound B;
3) by step 2) gained compound B puts into mould, moulded section, and molding temperature is 180 DEG C, and pressure is 2800 ~ 4500KN, and pressurize 30 minutes can obtain municipal manhole cover of the present invention.
The preparation method of embodiment 2 ~ 6 is with embodiment 1, and its difference is: feed composition proportioning is as following table 1.
The proportioning raw materials of table 1: embodiment 2-4
The municipal manhole cover prepared by embodiment 1-6 detects, and its detected result sees the following form 2.
Table 2: performance index
Note: ultimate compression strength presses GBJ81-85 " normal concrete mechanical test method " test; Folding strength presses GBJ81-85 " normal concrete mechanical test method " test; Toughness presses GB/T1043-1993 " rigid plastics cylinder strutbeam impact test method " test; Supporting capacity is according to the well lid industry standard test of GJ/T3012 cast iron cellar for storing things.
Can be found out by upper table 2, adopt the every satisfactory mechanical property of manhole cover prepared by the inventive method, especially mechanical property is higher, meets road equipment inspection chamber completely.
Claims (5)
1. utilize the municipal manhole cover that waste mulching film is processed, it is characterized in that: this well lid is made up of the Raw material processing of following weight part: waste mulching film 100 parts, 0.3 ~ 1 part, oxidation inhibitor, Nano-meter SiO_2
20.5 ~ 0.8 part, Nano-meter CaCO3
315 ~ 35 parts, stearic acid 2 ~ 5 parts, compatilizer 2 ~ 3 parts, lubricant 2 ~ 4 parts, anti UV agent 0.2 ~ 0.6 part, modification hollow glass micropearl 15 ~ 20 parts, Graphite Powder 99 10 ~ 12 parts, spherical nano-silver powder 3 ~ 5 parts, poly-phosphamide flame-proof modifier 3 ~ 7 parts.
2. the municipal manhole cover utilizing waste mulching film to process as claimed in claim 1, is characterized in that: this well lid is made up of the Raw material processing of following weight part: waste mulching film 100 parts, 0.5 ~ 0.7 part, oxidation inhibitor, Nano-meter SiO_2
20.6 ~ 0.8 part, Nano-meter CaCO3
328 ~ 32 parts, stearic acid 3 ~ 4 parts, compatilizer 2.4 ~ 2.8 parts, lubricant 2.7 ~ 3.5 parts, anti UV agent 0.3 ~ 0.4 part, modification hollow glass micropearl 18 ~ 20 parts, Graphite Powder 99 10 ~ 12 parts, spherical nano-silver powder 3.5 ~ 4 parts, poly-phosphamide flame-proof modifier 4.5 ~ 7 parts.
3. the municipal manhole cover utilizing waste mulching film to process as claimed in claim 1, is characterized in that: this well lid is made up of the Raw material processing of following weight part: waste mulching film 100 parts, 0.6 part, oxidation inhibitor, Nano-meter SiO_2
20.7 part, Nano-meter CaCO3
330 parts, stearic acid 3.5 parts, compatilizer 2.5 parts, lubricant 3 parts, anti UV agent 0.4 part, modification hollow glass micropearl 19 parts, Graphite Powder 99 11.5 parts, spherical nano-silver powder 4 parts, poly-phosphamide flame-proof modifier 6 parts.
4. the municipal manhole cover utilizing waste mulching film to process as claimed in claim 1, is characterized in that: described modification hollow glass micropearl adopts the method for a kind of polymer surface modification hollow glass micropearl disclosed in patent CN 103865295A to prepare.
5. the municipal manhole cover utilizing waste mulching film to process as claimed in claim 1, is characterized in that: described spherical nano-silver powder adopts a kind of highly dispersible spherical nano-silver powder and preparation method thereof disclosed in patent CN 101716684A to prepare.
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| CN106280270A (en) * | 2016-08-30 | 2017-01-04 | 民勤县威瑞环保有限责任公司 | A kind of high strength steel moulds Compound Water double-edged fine-toothed comb and preparation method thereof |
| CN106380728A (en) * | 2016-08-30 | 2017-02-08 | 民勤县威瑞环保有限责任公司 | Waste and old mulch film recovering and reutilizing method |
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| CN106280270A (en) * | 2016-08-30 | 2017-01-04 | 民勤县威瑞环保有限责任公司 | A kind of high strength steel moulds Compound Water double-edged fine-toothed comb and preparation method thereof |
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|---|---|
| CN104710808B (en) | 2017-07-25 |
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