CN103232649A - High-impact high-surface hardness polymer alloy and preparation method thereof - Google Patents
High-impact high-surface hardness polymer alloy and preparation method thereof Download PDFInfo
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- CN103232649A CN103232649A CN2013101151822A CN201310115182A CN103232649A CN 103232649 A CN103232649 A CN 103232649A CN 2013101151822 A CN2013101151822 A CN 2013101151822A CN 201310115182 A CN201310115182 A CN 201310115182A CN 103232649 A CN103232649 A CN 103232649A
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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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- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92514—Pressure
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92561—Time, e.g. start, termination, duration or interruption
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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Abstract
The invention discloses a high-impact high-surface hardness polymer alloy and a preparation method thereof. The high-impact high-surface hardness polymer alloy comprises, by mass, 50 to 80 parts of a PVC resin, 20 to 50 parts of a high-impact acrylonitrile-butadiene-styrol copolymer, 5 to 12 parts of polymethylmethacrylate, 1 to 5 parts of a heat stabilizer, 1 to 2 parts of a lubricant, 0.3 to 0.8 part of an anti-oxidant, 4 to 15 parts of an impact modifier, 1 to 4 parts of a bulking agent and 2 to 5 parts of a processing aid. The preparation method comprises the following steps: subjecting all the above-mentioned components to high speed hot mixing at first and then to low speed cold mixing; and carrying out extrusion and granulation with a double screw extruder. The prepared polymer alloy has the advantages of high impact strength, low temperature resistance, easy molding and processing, high surface hardness, scratching resistance, corrosion resistance, good flame resistance and the like, and high surface hardness of the alloy is maintained while impact strength is improved.
Description
Technical field
The present invention relates to technical field of polymer materials, be specifically related to a kind of high-impact high surface hardness polymer alloy and preparation method thereof.
Background technology
Polyvinyl chloride (PVC) has good mechanical performance and electrical insulating property, and fire-retardant good with corrosion resistance nature, raw material sources are abundant, and low price is current application one of general-purpose plastics the most widely.But it has deficiencies such as poor processability, shock strength is low and fragility is big, heat-drawn wire is low, so the very difficult engineering plastics that substitute of PVC, and its application is very restricted.Polyacrylonitrile-butadiene-styrene (ABS) has good processing characteristics, high impulse strength is arranged in wide temperature range, heat-drawn wire height, surface luster property are good, be easy to advantages such as application dyeing, but also has shortcomings such as weathering resistance is poor, inflammable, scratch resistance is relatively poor, surface hardness is low, on the high side.
PVC and ABS blend not only have the advantage such as fire-retardant and corrosion-resistant of PVC, and shock-resistant, the characteristic that is easy to forming process of ABS resin arranged again, can be widely used in fields such as office appliance, electrical home appliances, automobile.PVC and ABS blend also have a significant disadvantages with respect to some plastic prod, and namely surface hardness is low, scratch-resistant is poor.Usually the method for employing surface lacquer improves surface hardness and the scratch-resistant of PVC and ABS blending resin, makes complex manufacturing so on the one hand, has improved production cost, on the other hand there is potential harm in environment and human body.Therefore, PVC and ABS blend are carried out modification improve surface hardness and keep original physicochemical characteristic, become a direction of general-purpose plastics high performance.
Summary of the invention:
One of purpose of the present invention is to provide a kind of high-impact high surface hardness polymer alloy, and this alloy material has characteristics such as shock strength height, the surface hardness height is mar-proof, cost is low; Two of purpose of the present invention is a kind of preparation method of high-impact high surface hardness polymer alloy.
In order to achieve the above object, the present invention adopts following technical scheme:
A kind of high-impact high surface hardness polymer alloy provided by the invention is made up of each component of following mass fraction: 50～80 parts of polyvinyl chloride (PVC) RESINS, 20～50 parts of acrylonitrile-butadiene-styrene copolymers, 5～12 parts of polymethyl methacrylates, 1～5 part of thermo-stabilizer, 4～15 parts of impact modifiers, 1～4 part of expanding material, 1～3 part of lubricant, 0.3～0.8 part in oxidation inhibitor, processing aid: 2～5 parts.
Described PVC resin polymerization degree is between 850～1150.
Described acrylonitrile-butadiene-styrene copolymer is the high shock resistance type acrylonitrile-butadiene-styrene copolymer, and by mass percentage, wherein: acrylonitrile content is 10～30%, and namely butadiene content is 14～30%, and namely styrene content is 30～70%.
Described polymethyl methacrylate is the injection grade polymethylmethacrylate.
Described thermo-stabilizer is the compound system of a kind of and epoxy ester series in organic tin, the metallic soap class stablizer, and its ratio of quality and the number of copies is: organic tin or metallic soap class: epoxy ester series=2～4: 0.8～1.2; Described organic tin stablizer is thiol methyl tin, mercaptan tin octylate or Bis(lauroyloxy)dioctyltin; The metallic soap class is calcium/zinc stabilizer, wherein calcium: the mass ratio of zinc is 70:30, and epoxy ester series is epoxy soybean oil.
Described impact modifier is a kind of in 30～45% chlorinatedpolyethylene, esters of acrylic acid core-shell type polymkeric substance, (methyl methacrylate-butadiene-styrene) core-shell type polymkeric substance, the paracril for the chlorine mass content.
Described expanding material is a kind of in chlorinatedpolyethylene, the acrylonitritrile-styrene resin.
Described lubricant is the compound system of internal lubricant and external lubricant, the mass ratio 1～3:1 of described internal lubricant and external lubricant; Described internal lubricant is a kind of in butyl stearate, calcium stearate, the ethylene bis stearamide, and external lubricant is a kind of in oxidized polyethlene wax, polyethylene wax, the paraffin.
Described oxidation inhibitor is the compound system of primary antioxidant and auxiliary antioxidant, and the mass ratio of described primary antioxidant and auxiliary antioxidant is (1 ~ 4): 1; Described primary antioxidant is a kind of in four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, the β-positive octadecanol ester of (3,5-di-tert-butyl-hydroxy phenyl) propionic acid; Auxiliary antioxidant is a kind of in (2.4-di-tert-butyl-phenyl) tris phosphite, thio-2 acid 2 stearyl ester, the Tyox B; Described processing aid is the processed-type acrylate copolymer, and its model is ACR-201 or ACR-401.
The present invention also provides a kind of preparation method of described high-impact high surface hardness polymer alloy: may further comprise the steps:
1) by above-mentioned mass fraction, polyvinyl chloride (PVC) RESINS, thermo-stabilizer, impact modifier, expanding material, lubricant, oxidation inhibitor and processing aid are added in the high-speed mixer 90～110 ℃ of mixing temperatures, mixing time 5～8 minutes; The gained mixture is cooled to 40～50 ℃, adds in the low speed mixer mixing time 4～6 minutes with acrylonitrile-butadiene-styrene copolymer, polymethyl methacrylate then;
2) step 1) gained mixture is added extruding pelletization in the twin screw extruder, 140～180 ℃ of twin screw extruder temperature, wherein the temperature in each district of screw rod is set to: a district: 140～150 ℃, 150～160 ℃ in two districts, three districts: 160～170 ℃, four districts: 170～175 ℃, five districts: 175～180 ℃; The residence time 80～120s, pressure 12～18MPa.
Compared with prior art, the present invention has following beneficial effect:
A kind of high-impact high surface hardness polymer alloy provided by the invention has characteristics such as shock strength height, the surface hardness height is mar-proof, cost is low.
One aspect of the present invention is by carrying out screening and optimizing to polyvinyl chloride (PVC) RESINS, high shock resistance type acrylonitrile-butadiene-styrene copolymer, polymethyl methacrylate and other components and prescription, prepare the polyvinyl chloride polymer alloy of impact, high surface hardness, realized the high performance of general-purpose plastics.
Embodiment
Make further specifying below in conjunction with the present invention of embodiment, but the present invention is not limited to embodiment.
Embodiment one
Press mass fraction, following examples together.
With 80 parts of polyvinyl chloride, 20 parts of acrylonitrile-butadiene-styrene copolymers, 5 parts of methyl methacrylates, 2.5 parts of thiol methyl tins, 0.8 part of epoxy soybean oil, calcium stearate 0.8,0.4 part of polyethylene wax, 0.4 part of oxidation inhibitor four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.2 part of oxidation inhibitor (2.4-di-tert-butyl-phenyl) tris phosphite, 2.5 parts of expanding material acrylonitritrile-styrene resins, 10 parts in impact modifier (MBS) core-shell type polymkeric substance is in 3 parts of adding high-speed mixers of processing aid (ACR-201), 105 ± 2 ℃ of mixing temperatures, mixing time 5 minutes; The gained mixture is cooled to 47 ± 1 ℃, adds in the low speed mixer mixing time 4 minutes with high shock resistance type acrylonitrile-butadiene-styrene copolymer, polymethyl methacrylate then; The material that mixes is joined in the twin screw extruder, and through melt blending, extruding pelletization obtains polymer materials.Wherein the temperature in each district of screw rod is set to: a district: 140～150 ℃, and 150～160 ℃ in two districts, three districts: 160～170 ℃, four districts: 170～175 ℃, five districts: 175～180 ℃, head: 160～170 ℃.The residence time 80～90s, pressure 16MPa.
Embodiment two
With 70 parts of polyvinyl chloride, 30 parts of acrylonitrile-butadiene-styrene copolymers, 7 parts of methyl methacrylates, 3.5 parts of calcium/zinc stabilizers, 1.5 parts of epoxy soybean oils, 0.7 part of butyl stearate, 0.25 part of oxidized polyethlene wax, 0.4 part of the oxidation inhibitor β-positive octadecanol ester of (3,5-di-tert-butyl-hydroxy phenyl) propionic acid, 0.1 part of oxidation inhibitor (2.4-di-tert-butyl-phenyl) tris phosphite, 7 parts in impact modifier esters of acrylic acid core-shell type polymkeric substance, 3 parts of expanding material acrylonitritrile-styrene resins are in 2.5 parts of adding high-speed mixers of processing aid (ACR-401), 100 ± 2 ℃ of mixing temperatures, mixing time 6 minutes; The gained mixture is cooled to 45 ± 1 ℃, adds in the low speed mixer mixing time 5 minutes with high shock resistance type acrylonitrile-butadiene-styrene copolymer, polymethyl methacrylate then; The material that mixes is joined in the twin screw extruder, and through melt blending, extruding pelletization obtains polymer materials.Wherein the temperature in each district of screw rod is set to: a district: 140～150 ℃, and 150～160 ℃ in two districts, three districts: 160～170 ℃, four districts: 170～175 ℃, five districts: 175～180 ℃, head: 160～170 ℃.The residence time 90～100s, pressure 15MPa.
Embodiment three
With 60 parts of polyvinyl chloride, 40 parts of acrylonitrile-butadiene-styrene copolymers, 9 parts of methyl methacrylates, 3 parts of Bis(lauroyloxy)dioctyltins, 1.2 parts of epoxy soybean oils, 1 part of ethylene bis stearamide, 0.4 part in paraffin, 0.4 part of oxidation inhibitor four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.1 part of oxidation inhibitor thio-2 acid 2 stearyl ester, 1.5 parts of expanding material acrylonitritrile-styrene resins, 10 parts of impact modifier chlorinatedpolyethylenees are in 3 parts of adding high-speed mixers of processing aid (ACR-201), 96 ± 2 ℃ of mixing temperatures, mixing time 7 minutes; The gained mixture is cooled to 40 ± 1 ℃, adds in the low speed mixer mixing time 6 minutes with high shock resistance type acrylonitrile-butadiene-styrene copolymer, polymethyl methacrylate then; The material that mixes is joined in the twin screw extruder, and through melt blending, extruding pelletization obtains polymer materials.Wherein the temperature in each district of screw rod is set to: a district: 140～150 ℃, and 150～160 ℃ in two districts, three districts: 160～170 ℃, four districts: 170～175 ℃, five districts: 175～180 ℃, head: 160～170 ℃.The residence time 100～110s, pressure 14MPa.
Embodiment four
With 50 parts of polyvinyl chloride, 50 parts of acrylonitrile-butadiene-styrene copolymers, 6 parts of methyl methacrylates, 1.5 parts of mercaptan tin octylates, 0.6 part of epoxy soybean oil, 0.6 part of calcium stearate, 0.3 part of polyethylene wax, 0.3 part of oxidation inhibitor four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.1 part of oxidation inhibitor Tyox B, 2 parts of expanding material acrylonitritrile-styrene resins, 10 parts of impact modifier paracrils are in 2 parts of adding high-speed mixers of processing aid (ACR-401), 100 ± 2 ℃ of mixing temperatures, mixing time 7 minutes; The gained mixture is cooled to 48 ± 1 ℃, adds in the low speed mixer mixing time 5 minutes with high shock resistance type acrylonitrile-butadiene-styrene copolymer, polymethyl methacrylate then; The material that mixes is joined in the twin screw extruder, and through melt blending, extruding pelletization obtains polymer materials.Wherein the temperature in each district of screw rod is set to: a district: 140～150 ℃, and 150～160 ℃ in two districts, three districts: 160～170 ℃, four districts: 170～175 ℃, five districts: 175～180 ℃, head: 160～170 ℃.The residence time 110～120s, pressure 13MPa.
Performance test:
Tensile strength detects by GB/T 1040.2-2006 standard, and specimen types is small sample 1BA type, and specimen size (mm) is: (〉=75) (length) * (10 ± 0.2) (end width) * (〉=2) rate of extension 5mm/min;
The simply supported beam notched Izod impact strength detects by GB/T 1043.1-2008 standard; The breach type is category-A, and specimen size (mm) is: (80 ± 2) * (10 ± 0.2) * (4 ± 0.2);
Flexural strength detects by GB/T 9341-2008 standard, and specimen size (mm) is: (80 ± 2) * (10 ± 0.2) * (4 ± 0.2), crooked speed 10mm/min;
The surface pencil hardness detects by the GB/T6379-2006 standard.
Embodiment 1～4 product performance see the following form
| Test | Embodiment one | Embodiment two | Embodiment three | Embodiment four |
| Shock strength KJ/m 2 | 58.71 | 56.78 | 53.23 | 56.21 |
| Tensile strength MPa | 51.98 | 50.17 | 51.31 | 48.72 |
| Flexural strength MPa | 71.09 | 69.78 | 70.12 | 67.25 |
| The surface pencil hardness | 2H | 2H | 2H | 2H |
By polyvinyl chloride (PVC) RESINS, high shock resistance type acrylonitrile-butadiene-styrene copolymer, polymethyl methacrylate and other components and prescription are carried out screening and optimizing, prepare the polyvinyl chloride polymer alloy of impact, high surface hardness.Result by embodiment 1-4 shows, adopts the polyvinyl chloride polymer alloy of the inventive method preparation to have high impulse strength, tensile strength, flexural strength and surperficial pencil hardness, and the high performance that can be general-purpose plastics provides reference.
More than a kind of high-impact high surface hardness Alloy And Preparation Method provided by the present invention is described in detail.Use specific embodiment herein the present invention is set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change on specific embodiment mode and range of application, in sum, this specification sheets embodiment should not be construed as limitation of the present invention.
Claims (10)
1. high-impact high surface hardness polymer alloy is characterized in that described polymer alloy is made up of each component of following mass fraction: 50～80 parts of polyvinyl chloride (PVC) RESINS, 20～50 parts of acrylonitrile-butadiene-styrene copolymers, 5～12 parts of polymethyl methacrylates, 1～5 part of thermo-stabilizer, 4～15 parts of impact modifiers, 1～4 part of expanding material, 1～3 part of lubricant, 0.3～0.8 part in oxidation inhibitor, processing aid: 2～5 parts.
2. according to the described high-impact high surface hardness of claim 1 polymer alloy, it is characterized in that: described PVC resin polymerization degree is between 850～1150.
3. according to the described high-impact high surface hardness of claim 1 polymer alloy, it is characterized in that: described acrylonitrile-butadiene-styrene copolymer is the high shock resistance type acrylonitrile-butadiene-styrene copolymer, by mass percentage, wherein: acrylonitrile content is 10～30%, butadiene content is 14～30%, and styrene content is 30～70%.
4. according to the described high-impact high surface hardness of claim 1 polymer alloy, it is characterized in that: described polymethyl methacrylate is the injection grade polymethylmethacrylate.
5. according to the described high-impact high surface hardness of claim 1 polymer alloy, it is characterized in that: described thermo-stabilizer is the compound system of a kind of and epoxy ester series in organic tin, the metallic soap class stablizer, and its ratio of quality and the number of copies is: organic tin or metallic soap class: epoxy ester series=2～4: 0.8～1.2; Described organic tin stablizer is thiol methyl tin, mercaptan tin octylate or Bis(lauroyloxy)dioctyltin; The metallic soap class is calcium/zinc stabilizer, wherein calcium: the mass ratio of zinc is 70:30, and epoxy ester series is epoxy soybean oil.
6. according to the described high-impact high surface hardness of claim 1 polymer alloy, it is characterized in that: described impact modifier is a kind of in 30～45% chlorinatedpolyethylene, esters of acrylic acid core-shell type polymkeric substance, (methyl methacrylate-butadiene-styrene) core-shell type polymkeric substance, the paracril for the chlorine mass content.
7. according to the described high-impact high surface hardness of claim 1 polymer alloy, it is characterized in that: described expanding material is a kind of in chlorinatedpolyethylene, the acrylonitritrile-styrene resin.
8. according to the described high-impact high surface hardness of claim 1 polymer alloy, it is characterized in that: described lubricant is the compound system of internal lubricant and external lubricant, the mass ratio 1～3:1 of described internal lubricant and external lubricant; Described internal lubricant is a kind of in butyl stearate, calcium stearate, the ethylene bis stearamide, and external lubricant is a kind of in oxidized polyethlene wax, polyethylene wax, the paraffin.
9. according to the described high-impact high surface hardness of claim 1 polymer alloy, it is characterized in that: described oxidation inhibitor is the compound system of primary antioxidant and auxiliary antioxidant, and the mass ratio of described primary antioxidant and auxiliary antioxidant is 1 ~ 4:1; Described primary antioxidant is a kind of in four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, the β-positive octadecanol ester of (3,5-di-tert-butyl-hydroxy phenyl) propionic acid; Auxiliary antioxidant is a kind of in (2.4-di-tert-butyl-phenyl) tris phosphite, thio-2 acid 2 stearyl ester, the Tyox B; Described processing aid is the processed-type acrylate copolymer, and its model is ACR-201 or ACR-401.
10. the preparation method of the described high-impact high surface hardness of claim 1 polymer alloy: it is characterized in that may further comprise the steps:
1) by above-mentioned mass fraction, polyvinyl chloride (PVC) RESINS, thermo-stabilizer, impact modifier, expanding material, lubricant, oxidation inhibitor and processing aid are added in the high-speed mixer 90～110 ℃ of mixing temperatures, mixing time 5～8 minutes; The gained mixture is cooled to 40～50 ℃, adds in the low speed mixer mixing time 4～6 minutes with acrylonitrile-butadiene-styrene copolymer, polymethyl methacrylate then;
2) step 1) gained mixture is added extruding pelletization in the twin screw extruder, 140～180 ℃ of twin screw extruder temperature, wherein the temperature in each district of screw rod is set to: a district: 140～150 ℃, 150～160 ℃ in two districts, three districts: 160～170 ℃, four districts: 170～175 ℃, five districts: 175～180 ℃; The residence time 80～120s, pressure 12～18MPa.
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| CN104072901A (en) * | 2014-04-18 | 2014-10-01 | 福建晟扬管道科技有限公司 | Underground modified PVC special-purpose non-excavation communication pipe and preparation method thereof |
| CN104212103A (en) * | 2014-09-28 | 2014-12-17 | 无锡康柏斯机械科技有限公司 | Preparation method of heat-resisting PVC (polyvinyl chloride)/ABS (acrylonitrile butadiene styrene)/PMMA (polymethyl methacrylate) alloy material |
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| CN112318981A (en) * | 2020-11-02 | 2021-02-05 | 宜兴市光辉包装材料有限公司 | Three-layer PVC heat-shrinkable label film |
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| CN115960423A (en) * | 2022-12-16 | 2023-04-14 | 中广核三角洲（江苏）塑化有限公司 | High-impact odor-removing micro-foaming PVC light environment-friendly injection molding material |
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| CN104212103A (en) * | 2014-09-28 | 2014-12-17 | 无锡康柏斯机械科技有限公司 | Preparation method of heat-resisting PVC (polyvinyl chloride)/ABS (acrylonitrile butadiene styrene)/PMMA (polymethyl methacrylate) alloy material |
| CN105462138A (en) * | 2016-01-06 | 2016-04-06 | 金发科技股份有限公司 | PMMA/PVC alloy material and preparation method thereof |
| CN105670175A (en) * | 2016-03-09 | 2016-06-15 | 苏州莱特复合材料有限公司 | PVC-PP (polyvinyl chloride-polypropylene) alloy and preparation method thereof |
| CN106995572A (en) * | 2017-05-18 | 2017-08-01 | 含山瑞可金属有限公司 | Automobile damages connector and preparation method thereof with water proof and wearable |
| CN108129727A (en) * | 2017-12-14 | 2018-06-08 | 天长市优信电器设备有限公司 | A kind of charger for electric bicycle shell preparation method |
| CN112126176A (en) * | 2020-09-25 | 2020-12-25 | 广州润楠新材料科技有限公司 | Toe guard and preparation process thereof |
| CN112318981A (en) * | 2020-11-02 | 2021-02-05 | 宜兴市光辉包装材料有限公司 | Three-layer PVC heat-shrinkable label film |
| CN114516996A (en) * | 2022-03-28 | 2022-05-20 | 金发科技股份有限公司 | Boiling-resistant PVC alloy material and preparation method and application thereof |
| CN114516996B (en) * | 2022-03-28 | 2023-08-22 | 金发科技股份有限公司 | Boiling-resistant PVC alloy material and preparation method and application thereof |
| CN115960423A (en) * | 2022-12-16 | 2023-04-14 | 中广核三角洲（江苏）塑化有限公司 | High-impact odor-removing micro-foaming PVC light environment-friendly injection molding material |
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Application publication date: 20130807 |