CN104356484A - Polyethylene and polyvinyl chloride modified environment-friendly plastic check well and preparation method thereof - Google Patents
Polyethylene and polyvinyl chloride modified environment-friendly plastic check well and preparation method thereof Download PDFInfo
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- CN104356484A CN104356484A CN201410680308.5A CN201410680308A CN104356484A CN 104356484 A CN104356484 A CN 104356484A CN 201410680308 A CN201410680308 A CN 201410680308A CN 104356484 A CN104356484 A CN 104356484A
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to the field of a plastic check well and a preparation method thereof, and particularly relates to a polyethylene and polyvinyl chloride modified environment-friendly plastic check well and a preparation method thereof, aiming at solving the technical problem that the existing plastic check well is poor in impact strength, sensitive to temperature and bad for ring stiffness. According to the scheme for solving the technical problems, the invention provides the polyethylene and polyvinyl chloride modified environment-friendly plastic check well, which comprises the following compositions in parts by weight: 50-150 parts of polyethylene resin, 50-150 parts of polyvinyl chloride resin, 10-30 parts of nano materials, 0.5-5 parts of pigments, 2-20 parts of a lead-free stabilizer, 1-20 parts of processing aids, 1-5 parts of a lubricant, 0.5-5 parts of an antioxidant, 0.5-2 parts of a light stabilizer, 1-25 parts of a compatilizer, 1-15 parts of an impact modifier, 1-15 parts of an enhancer, and 0.5-10 parts of a coupling agent. The environment-friendly plastic check well is good in ring stiffness, high in impact strength, low in cost and long in service life.
Description
Technical field
The invention belongs to plastic inspection well and preparation method thereof field, be specifically related to polyethylene and PVC modified inspection well prepared from plastic in environmental protection and preparation method thereof.
Background technology
Along with the continuous propelling that Chinese Urbanization is built, expand the demand of buried pollution discharge drainage pipe, this just also expands the demand of plastic inspection well thereupon thereupon, and improves the performance requriements of plastic inspection well thereupon, especially resistance to impact shock.It is better to there is ring stiffness in common extrusion type polyvinyl chloride (PVE) double-walled plastic inspection chamber, the cost of material is low, but resistance to impact shock is poor, more responsive to temperature, common polythene (PE) plastic inspection well material good toughness, but ring stiffness is poor, ensure that ring stiffness uses material more, waste resource.
Summary of the invention
The technical problem to be solved in the present invention is that existing plastic inspection well resistance to impact shock is poor, and more responsive to temperature, ring stiffness is poor.
The scheme that the present invention solves the problems of the technologies described above is to provide a kind of polyethylene and PVC modified inspection well prepared from plastic in environmental protection, and its component comprises by weight: polyvinyl resin 50 ~ 150 parts, polyvinyl chloride (PVC) RESINS 50 ~ 150 parts, nano material 10 ~ 30 parts, pigment 0.5 ~ 5 part, without lead stabilizer 2 ~ 20 parts, processing aid 1 ~ 20 part, lubricant 1 ~ 5 part, 0.5 ~ 5 part, oxidation inhibitor, photostabilizer 0.5 ~ 2 part, expanding material 1 ~ 25 part, anti-impact modifier 1 ~ 15 part, toughener 1 ~ 15 part and coupling agent 0.5 ~ 10 part.
In above-mentioned polyethylene and PVC modified inspection well prepared from plastic in environmental protection, the density 0.930 ~ 0.965g/cm of described polyvinyl resin
3, melting index≤0.5g/10min during 190 DEG C/5.0kg, surrenders strong 24 ~ 28MPa, elongation at break 350 ~ 450%, oxidation induction time 30 ~ 60min when 200 DEG C.
In above-mentioned polyethylene and PVC modified inspection well prepared from plastic in environmental protection, the apparent density>=0.45g/cm of described polyvinyl chloride (PVC) RESINS
3, viscosity number 107 ~ 118mL/g, whiteness (160 DEG C, after 10min)>=74%, heat-stable time is not less than 4 minutes, and remaining VCM≤1.0mg/kg, 100g resin plasticizer absorbed dose>=19g, the polymerization degree is 950 ~ 1000, K value 60 ~ 68.
In above-mentioned polyethylene and PVC modified inspection well prepared from plastic in environmental protection, described nano material is at least one in the wollastonite of activation treatment, calcium carbonate, talcum powder, mica, barium sulfate or titanium dioxide.
In above-mentioned polyethylene and PVC modified inspection well prepared from plastic in environmental protection, described pigment is at least one in titanium dioxide, carbon black, ultramarine, too ultramarine, red pigment, violet pigment, yellow ultramarine, gray paint, brown pigments or coffee-like pigment.
In above-mentioned polyethylene and PVC modified inspection well prepared from plastic in environmental protection, described without any one in lead stabilizer calcium zinc stabilizer, organotin stabilizer or rare-earth stabilizer.
In above-mentioned polyethylene and PVC modified inspection well prepared from plastic in environmental protection, described processing aid be acrylic acid fat high-molecular copolymer (ACR), phthalic acid Diisooctyl or or polycthylene grafted muriate at least one.
In above-mentioned polyethylene and PVC modified inspection well prepared from plastic in environmental protection, described lubricant is at least one in stearic acid, paraffin, polyethylene wax, oxidized polyethlene wax, silicone oil, white oil or stearic amide.
In above-mentioned polyethylene and PVC modified inspection well prepared from plastic in environmental protection, described oxidation inhibitor is at least one in phosphite antioxidant, sulfuric acid oxidation inhibitor or phenolic antioxidant.
In above-mentioned polyethylene and PVC modified inspection well prepared from plastic in environmental protection, described photostabilizer is at least one in benzophenone, benzene potassium acid esters, azimidobenzene, salicylate, dithiocarbamic acid nickel salt, thiobisphenol, phosphate monoester nickel, hindered amine, zinc oxide or ferric oxide.
In above-mentioned polyethylene and PVC modified inspection well prepared from plastic in environmental protection, described expanding material is ethylene-vinyl acetate copolymer, glycidyl methacrylate radiation grafting thing, styrene-maleic anhydride copolymer, ethylene-propylene copolymer, acrylonitrile-butadiene-styrene (ABS) grafts, polypropylene-caprolactone graft copolymer, polypropylene-styrene graft copolymer, maleic anhydride graft copolymer, macromole silane coupling agent, macromole aluminium titanium coupling agent, macromole titanate coupling agent, polypropylene-methacrylic acid ester graft copolymer, polypropylene-acrylonitrile graft copolymer, 1-chloro-4-methyl-benzene graft copolymer, acrylic acid epoxy ester graft copolymer, at least one in chlorinatedpolyethylene or MALEIC ANHYDRIDE graft copolymer.
In above-mentioned polyethylene and PVC modified inspection well prepared from plastic in environmental protection, described anti-impact modifier is at least one in chlorinatedpolyethylene, ethylene-vinyl acetate copolymer, acrylonitrile-butadiene-styrene copolymer, methacrylate butadi ene styrene copolymer, acrylic resin, plexiglass, nitrile rubber or styrene-butadiene rubber(SBR).
In above-mentioned polyethylene and PVC modified inspection well prepared from plastic in environmental protection, described toughener is at least one in Graphene, white carbon black, glass fibre, asbestos, carbon fiber, boron fibre, aramid fiber, Stainless Steel Fibre or whisker.
In above-mentioned polyethylene and PVC modified inspection well prepared from plastic in environmental protection, described coupling agent is at least one in titanate coupling agent, aluminate coupling agent, aluminium titanium coupling agent or silane coupling agent.
The preparation method of above-mentioned polyethylene and PVC modified inspection well prepared from plastic in environmental protection, comprises the following steps:
A, the coupling agent of polyvinyl resin, total number 50%, the expanding material of total number 50%, toughener are weighed according to weight part after, stir 5 ~ 20 minutes at 60 ~ 100 DEG C, then be cooled to 30 ~ 38 DEG C, after granulation, obtain standby material I;
B, by polyvinyl chloride (PVC) RESINS, stablizer, pigment, modifier, remaining coupling agent, after oxidation inhibitor, photostabilizer, remaining expanding material, anti-impact modifier are weighed according to weight part, stir 7 ~ 30 minutes at 110 ~ 135 DEG C, be then cooled to 30 ~ 43 DEG C, obtain standby material II;
C, by standby material I and standby material II mix and blend 5 ~ 15 minutes, after temperature reaches 60 ~ 80 DEG C, then be cooled to 32 ~ 38 DEG C, be expelled in inspection chamber mould after cooling forming by injection moulding machine, obtain polyethylene and PVC modified inspection well prepared from plastic in environmental protection.
In the preparation method of above-mentioned polyethylene and PVC modified inspection well prepared from plastic in environmental protection, described in step a, the processing parameter of granulation is as follows: processing temperature: 165 ~ 175 DEG C, machine barrel 1 district, 2 170 ~ 185 DEG C, districts, 3 180 ~ 185 DEG C, districts, 4 180 ~ 195 DEG C, districts; 170 ~ 180 DEG C, mould 1 district, 180 ~ 190 DEG C, mould 2 district, 185 ~ 235 DEG C, mould 3 district; Main-machine screw rotating speed is 5 ~ 40 turns/min, and cutter machine rotating speed is 5 ~ 150 turns/min.
In the preparation method of above-mentioned polyethylene and PVC modified inspection well prepared from plastic in environmental protection, described in step c, the processing parameter of injection moulding machine is as follows: screw in injection molding machine barrel zone temperature: 1 150 ~ 165 DEG C, district, 2 160 ~ 175 DEG C, districts, 3 170 ~ 185 DEG C, districts, 4 175 ~ 185 DEG C, districts, 5 180 ~ 195 DEG C, districts; Engine speed 30 ~ 60 turns/min, electric current 40 ~ 120A.
Polyethylene provided by the invention and PVC modified inspection well prepared from plastic in environmental protection have excellent high impact properties and ring stiffness, combine the advantage of polythene material good toughness and pvc material good rigidly, make that this inspection chamber is strong and unyielding to be had both, creep resistance is good, the permanent maintaining rigidness of energy, substantially increase the ability of opposing settlement of foundation, even if flattened, also there will not be cracking.Polyethylene provided by the invention and PVC modified inspection well prepared from plastic in environmental protection, its bending elastic modulus improves 50 ~ 60% than existing vinyon inspection chamber, ring stiffness improves 30 ~ 40% than existing vinyon inspection chamber, resistance of oxidation improves 30 ~ 45% than existing vinyon inspection chamber, resistance to impact shock improves 300 ~ 800% than existing igelite inspection chamber, resistance to low temperature reduces-15 ~-25 DEG C, material cost reduces by 15 ~ 30% than existing vinyon inspection chamber, achieve comprehensive strength high, the ideal effect of comprehensive cost, embody good cost performance, there is the good market competitiveness.Ring stiffness provided by the invention is good, excellent in cushion effect, cost is low, the inspection well prepared from plastic in environmental protection of long service life, when meeting the engineerings such as general draining, blowdown, the conveying with inner pressure medium can also be used for, also can be used for the inspection chamber of electric power, telecommunications, fire-fighting etc.
Accompanying drawing explanation
Fig. 1 polyethylene provided by the invention and PVC modified inspection well prepared from plastic in environmental protection partly cut open figure, its structure comprises well seat main body and the disposable injection machine-shaping of branch pipe connection, specifically comprise branch pipe connection bell and spigot oblique angle (1), facilitate arm to connect and insert; Prop up tube faucet outer wall stiffening web (2), (3) raising arm socket hoop rigidity, the load that opposing bellmouth outer wall transmits and the female end preventing tubing from installing groundwork possibility sedimentation and deformation and cause break; Well seat underflow groove (4), (5), improve effluent flow rate, reduces noise; Well seat outer wall stiffening web (6), (7), improve well seat ring rigidity, the load that opposing well seat circumferential periphery and top pit shaft etc. transmit; Prevent groundwater effect from making well seat float and excretory pore (8) is set; Be convenient to pipeline vegetables lead to and enter cleaning and the well seat that arranges and the clear groove circular arc (13) of tube faucet, outer wall circular arc (10); The load brace rod that well body support pit shaft transmits and outer wall stiffening web (11).
The complete section figure of Fig. 2 polyethylene provided by the invention and PVC modified inspection well prepared from plastic in environmental protection.
Embodiment
Polyethylene and PVC modified inspection well prepared from plastic in environmental protection, its component comprises by weight: polyvinyl resin 50 ~ 150 parts, polyvinyl chloride (PVC) RESINS 50 ~ 150 parts, nano material 10 ~ 30 parts, pigment 0.5 ~ 5 part, without lead stabilizer 2 ~ 20 parts, processing aid 1 ~ 20 part, lubricant 1 ~ 5 part, 0.5 ~ 5 part, oxidation inhibitor, photostabilizer 0.5 ~ 2 part, expanding material 1 ~ 25 part, anti-impact modifier 1 ~ 15 part, toughener 1 ~ 15 part and coupling agent 0.5 ~ 10 part.
The preparation method of above-mentioned polyethylene and PVC modified inspection well prepared from plastic in environmental protection, comprises the following steps:
A, the coupling agent of polyvinyl resin, total number 50%, the expanding material of total number 50%, toughener are weighed according to weight part after, stir 5 ~ 20 minutes at 60 ~ 100 DEG C, then be cooled to 30 ~ 38 DEG C, after granulation, obtain standby material I;
B, by polyvinyl chloride (PVC) RESINS, stablizer, pigment, modifier, remaining coupling agent, after oxidation inhibitor, photostabilizer, remaining expanding material, anti-impact modifier are weighed according to weight part, stir 7 ~ 30 minutes at 110 ~ 135 DEG C, be then cooled to 30 ~ 43 DEG C, obtain standby material II;
C, by standby material I and standby material II mix and blend 5 ~ 15 minutes, after temperature reaches 60 ~ 80 DEG C, then be cooled to 32 ~ 38 DEG C, be expelled in inspection chamber mould after cooling forming by injection moulding machine, obtain polyethylene and PVC modified inspection well prepared from plastic in environmental protection.
In the preparation method of above-mentioned polyethylene and PVC modified inspection well prepared from plastic in environmental protection, described in step a, the processing parameter of granulation is as follows: processing temperature: 165 ~ 175 DEG C, machine barrel 1 district, 2 170 ~ 185 DEG C, districts, 3 180 ~ 185 DEG C, districts, 4 180 ~ 195 DEG C, districts; 170 ~ 180 DEG C, mould 1 district, 180 ~ 190 DEG C, mould 2 district, 185 ~ 235 DEG C, mould 3 district; Main-machine screw rotating speed is 5 ~ 40 turns/min, and cutter machine rotating speed is 5 ~ 150 turns/min.
In the preparation method of above-mentioned polyethylene and PVC modified inspection well prepared from plastic in environmental protection, described in step c, the processing parameter of injection moulding machine is as follows: screw in injection molding machine barrel zone temperature: 1 150 ~ 165 DEG C, district, 2 160 ~ 175 DEG C, districts, 3 170 ~ 185 DEG C, districts, 4 175 ~ 185 DEG C, districts, 5 180 ~ 195 DEG C, districts; Engine speed 30 ~ 60 turns/min, electric current 40 ~ 120A.
Embodiment 1
Polyethylene and PVC modified inspection well prepared from plastic in environmental protection, be made up of following component by weight:
Polyvinyl chloride (PVC) RESINS 150 parts, polyvinyl resin 75 parts, 25 parts, active nano barium sulfate, carbon black 1 part, calcium zinc stabilizer 6 parts, processing aid DOP (dioctyl phthalate (DOP)) 10 parts, polyethylene wax 1 part, 1 part, paraffin, phosphorous acid irgasfos 168 0.5 part, light-stability agent benzophenone 0.5 part, expanding material GMA (glycidyl methacrylate) 5 parts, anti-impact modifier CPE (chlorinated polyvinyl chloride) 10 parts, 5 parts, glass fibre and titanate coupling agent NDZ-4011 part.And adopt following preparation method:
A, by high-density polyethylene resin, titanate coupling agent NDZ-401 (50% of total number), expanding material GMA (50% of total number), toughener are weighed to add in homogenizer according to weight part and are stirred 10 minutes, temperature reaches 65 DEG C, enter cooler, be cooled to 38 degree, then granulation obtains standby material I.
The processing parameter of granulation is as follows: processing temperature: 165 ~ 175 DEG C, machine barrel 1 district, 2 170 ~ 185 DEG C, districts, 3 180 ~ 185 DEG C, districts, 4 180 ~ 195 DEG C, districts; 170 ~ 180 DEG C, mould 1 district, 180 ~ 190 DEG C, mould 2 district, 185 ~ 235 DEG C, mould 3 district; Main-machine screw rotating speed is 5 ~ 40 turns/min, and cutter machine rotating speed is 5 ~ 150 turns/min.
B, by polyvinyl chloride (PVC) RESINS, calcium zinc stabilizer, carbon black, modifier DOP, titanate coupling agent NDZ-401 (upper operation remaining 50%), phosphorous acid oxidation inhibitor, light-stability agent benzophenone, expanding material GMA (upper operation remaining 50%), anti-impact modifier CPE are weighed according to weight part, in heating homogenizer, stir 15 parts, after temperature reaches 120 DEG C, enter in cooling and stirring machine and be cooled to 36 DEG C, obtain standby material II.
C, by standby material I together with standby material II in stirrer stir 7 minutes, when temperature reaches 70 DEG C, enter cooler and be cooled to 36 DEG C, to be expelled in inspection chamber mould after cooling forming by injection moulding machine, to obtain polyethylene and PVC modified inspection well prepared from plastic in environmental protection.
The processing parameter of injection moulding machine is as follows: screw in injection molding machine barrel zone temperature: 1 150 ~ 165 DEG C, district, 2 160 ~ 175 DEG C, districts, 3 170 ~ 185 DEG C, districts, 4 175 ~ 185 DEG C, districts, 5 180 ~ 195 DEG C, districts; Engine speed 30 ~ 60 turns/min, electric current 40 ~ 120A.
Embodiment 2
Polyethylene and PVC modified inspection well prepared from plastic in environmental protection, be made up of following component by weight:
Polyvinyl chloride (PVC) RESINS 150 parts, polyvinyl resin 75 parts, active nano talcum powder 25 parts, titanium dioxide 1 part, organotin stabilizer 3 parts, processing aid DOP 10 parts, polyethylene wax 1 part, 1 part, paraffin, phosphorous acid irgasfos 168 0.5 part, photostabilizer azimidobenzene 0.5 part, expanding material GMA 5 parts, anti-impact modifier CPE 10 parts, 5 parts, glass fibre and titanate coupling agent NDZ-4011 part.
Preparation method is with embodiment 1.
Embodiment 3
Polyethylene prepared by embodiment 1 and 2 and PVC modified inspection well prepared from plastic in environmental protection, its performance test is as table 1:
The performance test of table 1 polyethylene and PVC modified inspection well prepared from plastic in environmental protection
Polyethylene provided by the invention and PVC modified inspection well prepared from plastic in environmental protection, ring stiffness is improved, and good toughness, ageing-resistant, low temperature resistant, substantially increases resistance to impact shock.
Claims (9)
1. polyethylene and PVC modified inspection well prepared from plastic in environmental protection, its component comprises by weight: polyvinyl resin 50 ~ 150 parts, polyvinyl chloride (PVC) RESINS 50 ~ 150 parts, nano material 10 ~ 30 parts, pigment 0.5 ~ 5 part, without lead stabilizer 2 ~ 20 parts, processing aid 1 ~ 20 part, lubricant 1 ~ 5 part, 0.5 ~ 5 part, oxidation inhibitor, photostabilizer 0.5 ~ 2 part, expanding material 1 ~ 25 part, anti-impact modifier 1 ~ 15 part, toughener 1 ~ 15 part and coupling agent 0.5 ~ 10 part.
2. polyethylene according to claim 1 and PVC modified inspection well prepared from plastic in environmental protection, is characterized in that: the density 0.930 ~ 0.965g/cm of described polyvinyl resin
3, melting index≤0.5g/10min during 190 DEG C/5.0kg, surrenders strong 24 ~ 28MPa, elongation at break 350 ~ 450%, oxidation induction time 30 ~ 60min when 200 DEG C.
3. polyethylene according to claim 1 and PVC modified inspection well prepared from plastic in environmental protection, is characterized in that: the apparent density>=0.45g/cm of described polyvinyl chloride (PVC) RESINS
3, viscosity number 107 ~ 118mL/g, whiteness (160 DEG C, after 10min)>=74%, heat-stable time is not less than 4 minutes, and remaining VCM≤1.0mg/kg, 100g resin plasticizer absorbed dose>=19g, the polymerization degree is 950 ~ 1000, K value 60 ~ 68.
4. polyethylene according to claim 1 and PVC modified inspection well prepared from plastic in environmental protection, is characterized in that: described nano material is at least one in the wollastonite of activation treatment, calcium carbonate, talcum powder, mica, barium sulfate or titanium dioxide;
Described pigment is at least one in titanium dioxide, carbon black, ultramarine, too ultramarine, red pigment, violet pigment, yellow ultramarine, gray paint, brown pigments or coffee-like pigment;
Described without any one in lead stabilizer calcium zinc stabilizer, organotin stabilizer or rare-earth stabilizer;
Described processing aid be acrylic acid fat high-molecular copolymer, phthalic acid Diisooctyl or or polycthylene grafted muriate at least one;
Described lubricant is at least one in stearic acid, paraffin, polyethylene wax, oxidized polyethlene wax, silicone oil, white oil or stearic amide;
Described oxidation inhibitor is at least one in phosphite antioxidant, sulfuric acid oxidation inhibitor or phenolic antioxidant;
Described photostabilizer is at least one in benzophenone, benzene potassium acid esters, azimidobenzene, salicylate, dithiocarbamic acid nickel salt, thiobisphenol, phosphate monoester nickel, hindered amine, zinc oxide or ferric oxide.
5. polyethylene according to claim 1 and PVC modified inspection well prepared from plastic in environmental protection, it is characterized in that: described expanding material is ethylene-vinyl acetate copolymer, glycidyl methacrylate radiation grafting thing, styrene-maleic anhydride copolymer, ethylene-propylene copolymer, acrylonitrile-butadiene-styrene (ABS) grafts, polypropylene-caprolactone graft copolymer, polypropylene-styrene graft copolymer, maleic anhydride graft copolymer, macromole silane coupling agent, macromole aluminium titanium coupling agent, macromole titanate coupling agent, polypropylene-methacrylic acid ester graft copolymer, polypropylene-acrylonitrile graft copolymer, 1-chloro-4-methyl-benzene graft copolymer, acrylic acid epoxy ester graft copolymer, at least one in chlorinatedpolyethylene or MALEIC ANHYDRIDE graft copolymer.
6. polyethylene according to claim 1 and PVC modified inspection well prepared from plastic in environmental protection, is characterized in that: described anti-impact modifier is at least one in chlorinatedpolyethylene, ethylene-vinyl acetate copolymer, acrylonitrile-butadiene-styrene copolymer, methacrylate butadi ene styrene copolymer, acrylic resin, plexiglass, nitrile rubber or styrene-butadiene rubber(SBR);
Described toughener is at least one in Graphene, white carbon black, glass fibre, asbestos, carbon fiber, boron fibre, aramid fiber, Stainless Steel Fibre or whisker;
Described coupling agent is at least one in titanate coupling agent, aluminate coupling agent, aluminium titanium coupling agent or silane coupling agent.
7. the preparation method of polyethylene described in claim 1 ~ 6 and PVC modified inspection well prepared from plastic in environmental protection, comprises the following steps:
A, the coupling agent of polyvinyl resin, total number 50%, the expanding material of total number 50%, toughener are weighed according to weight part after, stir 5 ~ 20 minutes at 60 ~ 100 DEG C, then be cooled to 30 ~ 38 DEG C, after granulation, obtain standby material I;
B, by polyvinyl chloride (PVC) RESINS, stablizer, pigment, modifier, remaining coupling agent, after oxidation inhibitor, photostabilizer, remaining expanding material, anti-impact modifier are weighed according to weight part, stir 7 ~ 30 minutes at 110 ~ 135 DEG C, be then cooled to 30 ~ 43 DEG C, obtain standby material II;
C, by standby material I and standby material II mix and blend 5 ~ 15 minutes, after temperature reaches 60 ~ 80 DEG C, then be cooled to 32 ~ 38 DEG C, be expelled in inspection chamber mould after cooling forming by injection moulding machine, obtain polyethylene and PVC modified inspection well prepared from plastic in environmental protection.
8. the preparation method of polyethylene and PVC modified inspection well prepared from plastic in environmental protection according to claim 7, it is characterized in that: described in step a, the processing parameter of granulation is as follows: processing temperature: 165 ~ 175 DEG C, machine barrel 1 district, 2 170 ~ 185 DEG C, districts, 3 180 ~ 185 DEG C, districts, 4 180 ~ 195 DEG C, districts; 170 ~ 180 DEG C, mould 1 district, 180 ~ 190 DEG C, mould 2 district, 185 ~ 235 DEG C, mould 3 district; Main-machine screw rotating speed is 5 ~ 40 turns/min, and cutter machine rotating speed is 5 ~ 150 turns/min.
9. the preparation method of polyethylene and PVC modified inspection well prepared from plastic in environmental protection according to claim 7, it is characterized in that: described in step c, the processing parameter of injection moulding machine is as follows: screw in injection molding machine barrel zone temperature: 1 150 ~ 165 DEG C, district, 2 160 ~ 175 DEG C, districts, 3 170 ~ 185 DEG C, districts, 4 175 ~ 185 DEG C, districts, 5 180 ~ 195 DEG C, districts; Engine speed 30 ~ 60 turns/min, electric current 40 ~ 120A.
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Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106046603A (en) * | 2016-06-29 | 2016-10-26 | 江苏金材科技有限公司 | Weather-resistant PVC (polyvinyl chloride) |
| CN106075923A (en) * | 2016-08-13 | 2016-11-09 | 浙江飞友康体设备有限公司 | A kind of peel monkey Combined slide |
| CN106221069A (en) * | 2016-08-18 | 2016-12-14 | 桐城市弘业塑胶有限公司 | A kind of have the anti-plastic formula fractureed |
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| CN105504458A (en) * | 2015-04-01 | 2016-04-20 | 山东文远建材科技股份有限公司 | Inspection manhole for communication and electric power |
| CN105037757B (en) * | 2015-06-26 | 2018-01-16 | 宁夏宝塔石化科技实业发展有限公司 | Carbon fiber discarded object is used for the method for making enhancing polyethylene rotational molding inspection shaft |
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| CN105694371A (en) * | 2016-04-11 | 2016-06-22 | 吕哲 | Resin composition and preparation method and application thereof |
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| CN105647076B (en) * | 2016-04-13 | 2017-08-11 | 合肥瑞瑶环保建材科技有限公司 | One kind can prevent stress cracking inspection shaft well seat and preparation method thereof |
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| CN105837903A (en) * | 2016-04-27 | 2016-08-10 | 郭良来 | High-strength and corrosion-resistant polyethylene wastewater plastic inspection well and preparation method thereof |
| CN105906900A (en) * | 2016-04-27 | 2016-08-31 | 郭良来 | Impact-resistant polyethylene plastic inspection well and production method thereof |
| CN106046603A (en) * | 2016-06-29 | 2016-10-26 | 江苏金材科技有限公司 | Weather-resistant PVC (polyvinyl chloride) |
| CN106243474A (en) * | 2016-08-11 | 2016-12-21 | 刘世超 | High-speed rail bridge water-proof antibiotic coiled material |
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| CN106905626A (en) * | 2017-03-17 | 2017-06-30 | 四会市恒星智能科技有限公司 | A kind of corrosion-resistant plastic inspection shaft and preparation method thereof |
| CN106751231A (en) * | 2017-03-29 | 2017-05-31 | 四会市恒星智能科技有限公司 | A kind of high-strength corrosion-resisting plastic inspection well and preparation method thereof |
| CN108727750A (en) * | 2018-06-29 | 2018-11-02 | 广西金盛科技发展有限公司 | PVC-C no-dig technique communication cable casings |
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| CN110092993A (en) * | 2019-05-15 | 2019-08-06 | 重庆爵通塑胶科技(集团)有限公司 | Polychloroethylene blended (MPVP) spiral winding pipe of polypropylene- |
| CN110217318A (en) * | 2019-07-05 | 2019-09-10 | 安徽省华晟塑胶股份有限公司 | A kind of Automobile operation crank and its plastic parts formula |
| CN112143141A (en) * | 2020-10-22 | 2020-12-29 | 西北永新集团甘肃管业有限公司 | High-impact polyethylene pipe and preparation method thereof |
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