CN107418025A - A kind of Recycled HDPE activeness and quietness composite calciferous and preparation method thereof - Google Patents
A kind of Recycled HDPE activeness and quietness composite calciferous and preparation method thereof Download PDFInfo
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- CN107418025A CN107418025A CN201710412441.6A CN201710412441A CN107418025A CN 107418025 A CN107418025 A CN 107418025A CN 201710412441 A CN201710412441 A CN 201710412441A CN 107418025 A CN107418025 A CN 107418025A
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
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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
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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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
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Abstract
The invention discloses a kind of Recycled HDPE activeness and quietness composite calciferous and preparation method thereof.Belong to the recycling field of material and resource.The calcium carbonate and Recycled HDPE mixing extrusion in double screw extruder that surface is modified by the present invention.The present invention not only realizes the activeness and quietness of Recycled HDPE, resource is saved, and on the premise of cost is not improved, the tensile strength, impact strength and bending strength of Recycled HDPE plastics are improved, available for preparing pipelines and covering material.
Description
Technical field
The present invention relates to a kind of activeness and quietness method of Recycled HDPE material.
Background technology
Increasingly raised with increasingly scarcity, the cost of synthetic plastic of petroleum resources, but national economy production needs for it
Ask more and more extensively, and environmental pollution causes deep effect to the life of the mankind caused by Plastic product.Based on this,
Recovery use to plastics seems particularly important, but the performance of recycled plastic and cost are to perplex everybody big problem.Therefore, need
Carry out the application to reclaimed materials to develop, the product of reclaimed materials is lifted on the basis of not improving or improving a part of cost
Can, the product competitiveness of reclaimed materials can be not only lifted, also replaces virgin materials to reduce its pollution to environment.
The content of the invention
It is an object of the invention to overcome existing technical problem, there is provided one kind is remarkably improved Recycled HDPE
Tensile property, the preparation method of impact property and bending property.
The present invention is using silane coupler and maleic anhydride grafted polyethylene while shows to be modified the calcium carbonate of high filler loading capacity,
Both the mechanical property of Recycled HDPE had been obviously improved, has also kept even reducing cost.
The target of the present invention can be achieved through the following technical solutions：
A kind of Recycled HDPE activeness and quietness composite calciferous and preparation method thereof, it is characterised in that press
Parts by weight meter, the raw material composition of the Recycled HDPE activeness and quietness composite calciferous are：Calcium carbonate
（Talc）10-50 parts, Recycled HDPE（RHDPE）50-90 parts, silane coupler（SCA）0.1-2 parts, maleic anhydride
Grafted polyethylene（MAH-g-PE）1-30 parts, OPE（PE-Wax）0.1-2 parts, antioxidant（A-O）0.1-2 parts.Its
In, calcium carbonate selects industrial grade light-weight calcium carbonate, net content >=90%；Recycled HDPE selects extrusion grade, and net content >=
90%；Silane coupler, net content >=98%, maleic anhydride grafted polyethylene grafting rate are 1.5-1.8%, OPE, only
Content >=99%；Antioxidant, net content >=99%.
Described Recycled HDPE activeness and quietness composite calciferous and preparation method thereof, its feature exists
In calcium carbonate and the Recycled HDPE mixing extrusion in double screw extruder for being modified surface, specifically including as follows
Step：
Calcium carbonate, Recycled HDPE, silane coupler, maleic anhydride grafted polyethylene, the poly- second of oxidation are weighed in proportion
Alkene wax, antioxidant etc..Calcium carbonate and Recycled HDPE are together placed in drying 2 hours in 120 DEG C of baking oven, in proportion
It is placed in after collection in high-speed mixer；Coupling agent/second is made in then absolute ethyl alcohol that silane coupler is dissolved in its 10 times of volumes
Alcoholic solution, calcium carbonate surface is sprayed on, mixed and modified 10 minutes in high-speed mixer, is placed in 120 DEG C of baking oven and does
Dry 2 hours；By the modified calcium carbonate in silane coupler surface and Recycled HDPE, maleic anhydride grafted polyethylene,
The extruding pelletization in double screw extruder in proportion such as OPE, antioxidant；Finally it is placed in 120 DEG C of baking oven and dries
2 hours, prepare Recycled HDPE activeness and quietness composite calciferous.
Described Recycled HDPE is uniform black particle, content of ashes≤3%, and tensile strength is
19.04MPa, impact strength 110.35kJ/m2, bending strength 13.13MPa, bending modulus 299.4MPa.
Described calcium carbonate, it is the irregular inorganic particle of 10 μm of particle diameters, can be largely filled in recovery high-density polyethylene
Alkene is to lift toughness and reduce cost.
Described silane coupler, model KH550, net content 98%, carbonic acid can be improved by dry and wet
The interface adhesion of calcium and Recycled HDPE, improve its compatibility, maintain mechanical property constant or even lifted.
Described maleic anhydride grafted polyethylene, trade mark MA-HD, extrusion grade, grafting rate 1.5-1.8%, melt index
For 1-3g/10min.
Described OPE, is DOP plasticizer, active principle content 99%, molecular weight between 3000-5000,
Fusing point is 105-120 DEG C, can be used for optimizing the rheological characteristic in process.
Described antioxidant, model 1010, active principle content are 99%, molecular weight 1177.65, fusing point 110-125
DEG C, it can be used to prevent oxidation of the polymer during processing and use, effectively extend the useful life of product.
Described a kind of Recycled HDPE activeness and quietness composite calciferous and preparation method thereof, it is special
Sign is that temperature of the double screw extruder from charging aperture to extruder head respectively is：170℃、190℃、200℃、
200℃、210℃、210℃.Feeding spiro rod rotating speed is 30-80rpm, and extrusion screw rod rotating speed is 60-120rpm.
The invention provides a kind of Recycled HDPE activeness and quietness composite calciferous and its preparation side
Method, the calcium carbonate of surface modification high filler loading capacity is cooperateed with by maleic anhydride grafted polyethylene and silane coupler, so that carbonic acid
The mechanical property of calcium/Recycled HDPE composite exceedes Recycled HDPE raw material comprehensively.
Embodiment
For a better understanding of the present invention, with reference to embodiment, the present invention will be further described.
Embodiment 1-6
The embodiment 1-4 of table 1 proportioning（Number）
Count in parts by weight, the raw material composition of the Recycled HDPE activeness and quietness composite calciferous is：Carbon
Sour calcium（CaCO3）10-50 parts, Recycled HDPE（RHDPE）50-90 parts, silane coupler（SCA）0.1-2 parts, Malaysia
Anhydride grafted lldpe（MAH-g-PE）1-30 parts, OPE（PE-Wax）0.1-2 parts, antioxidant（A-O）0.1-2
Part.
The preparation method of embodiment 1
A kind of Recycled HDPE activeness and quietness composite calciferous and preparation method thereof, it is characterised in that will
The calcium carbonate that surface is modified and Recycled HDPE mixing extrusion in double screw extruder.Specifically comprise the following steps：
Calcium carbonate, Recycled HDPE, silane coupler, maleic anhydride grafted polyethylene, the poly- second of oxidation are weighed in proportion
Alkene wax, antioxidant etc.；Calcium carbonate and Recycled HDPE are together placed in 120 DEG C of baking oven and dried 2 hours, after collection
It is placed in high-speed mixer；Coupling agent/ethanol solution is made in the absolute ethyl alcohol that silane coupler is dissolved in its 10 times of volumes, by it
Calcium carbonate surface is sprayed on, mixed and modified 10 minutes in high-speed mixer, is placed in 120 DEG C of baking oven and dries 2 hours；By silicon
The modified calcium carbonate in alkane coupling agent surface and Recycled HDPE, maleic anhydride grafted polyethylene, OPE,
The extruding pelletization in double screw extruder in proportion such as antioxidant；Finally it is placed in 120 DEG C of baking oven and dries 2 hours, prepares
Recycled HDPE activeness and quietness composite calciferous.
The preparation method of embodiment 2
A kind of Recycled HDPE activeness and quietness composite calciferous and preparation method thereof, it is characterised in that will
The calcium carbonate that surface is modified and Recycled HDPE mixing extrusion in double screw extruder.Specifically comprise the following steps：
Calcium carbonate, Recycled HDPE, silane coupler, maleic anhydride grafted polyethylene, the poly- second of oxidation are weighed in proportion
Alkene wax, antioxidant etc.；Calcium carbonate and Recycled HDPE are together placed in 70 DEG C of baking oven and dried 5 hours, after collection
It is placed in high-speed mixer；Coupling agent/ethanol solution is made in the absolute ethyl alcohol that silane coupler is dissolved in its 10 times of volumes, by it
Calcium carbonate surface is sprayed on, mixed and modified 10 minutes in high-speed mixer, is placed in 70 DEG C of baking oven and dries 5 hours；By silicon
The modified calcium carbonate in alkane coupling agent surface and Recycled HDPE, maleic anhydride grafted polyethylene, OPE,
The extruding pelletization in double screw extruder in proportion such as antioxidant；Finally it is placed in 70 DEG C of baking oven and dries 5 hours, prepares and contain
The Recycled HDPE activeness and quietness composite of calcium carbonate.
The preparation method of embodiment 3
A kind of Recycled HDPE activeness and quietness composite calciferous and preparation method thereof, it is characterised in that will
The calcium carbonate that surface is modified and Recycled HDPE mixing extrusion in double screw extruder.Specifically comprise the following steps：
Calcium carbonate, Recycled HDPE, silane coupler, maleic anhydride grafted polyethylene, the poly- second of oxidation are weighed in proportion
Alkene wax, antioxidant etc.；Calcium carbonate and Recycled HDPE are together placed in 80 DEG C of baking oven and dried 3 hours, after collection
It is placed in high-speed mixer；Coupling agent/ethanol solution is made in the absolute ethyl alcohol that silane coupler is dissolved in its 10 times of volumes, by it
Calcium carbonate surface is sprayed on, mixed and modified 10 minutes in high-speed mixer, is placed in 80 DEG C of baking oven and dries 3 hours；By silicon
The modified calcium carbonate in alkane coupling agent surface and Recycled HDPE, maleic anhydride grafted polyethylene, OPE,
The extruding pelletization in double screw extruder in proportion such as antioxidant；Finally it is placed in 80 DEG C of baking oven and dries 3 hours, prepares and contain
The Recycled HDPE activeness and quietness composite of calcium carbonate.
The preparation method of embodiment 4
A kind of Recycled HDPE activeness and quietness composite calciferous and preparation method thereof, it is characterised in that will
The calcium carbonate that surface is modified and Recycled HDPE mixing extrusion in double screw extruder.Specifically comprise the following steps：
Calcium carbonate, Recycled HDPE, silane coupler, maleic anhydride grafted polyethylene, the poly- second of oxidation are weighed in proportion
Alkene wax, antioxidant etc.；Calcium carbonate and Recycled HDPE are together placed in 120 DEG C of baking oven in proportion and dried 2 hours,
It is standby；Silane coupler is dissolved in sufficient amount absolute ethyl alcohol and is configured to coupling agent/ethanol solution, pours into closed agitator,
The calcium carbonate configured is completely submerged in coupling agent/ethanol solution, mixed at high speed 20 minutes, takes out, be placed on 120 DEG C
Dried 10 hours in baking oven, the calcium carbonate that silane coupler surface is modified is made；By the modified carbonic acid in silane coupler surface
Calcium and Recycled HDPE, maleic anhydride grafted polyethylene, OPE, antioxidant etc. squeeze in twin-screw in proportion
Go out extruding pelletization in machine；Finally it is placed in 120 DEG C of baking oven and dries 2 hours, prepares recovery high-density polyethylene calciferous
Alkene activeness and quietness composite.
The preparation method of embodiment 5
A kind of Recycled HDPE activeness and quietness composite calciferous and preparation method thereof, it is characterised in that will
The calcium carbonate that surface is modified and Recycled HDPE mixing extrusion in double screw extruder.Specifically comprise the following steps：
Calcium carbonate, Recycled HDPE, silane coupler, maleic anhydride grafted polyethylene, the poly- second of oxidation are weighed in proportion
Alkene wax, antioxidant etc.；Calcium carbonate and Recycled HDPE are together placed in 120 DEG C of baking oven and dried 2 hours, after collection
It is placed in high-speed mixer；Coupling agent/ethanol solution is made in the absolute ethyl alcohol that silane coupler is dissolved in its 10 times of volumes, by it
Calcium carbonate surface is sprayed on, mixed and modified 10 minutes in high-speed mixer, is placed in 120 DEG C of baking oven and dries 2 hours；By silicon
The modified calcium carbonate in alkane coupling agent surface and Recycled HDPE, maleic anhydride grafted polyethylene, OPE,
The extruding pelletization in double screw extruder in proportion such as antioxidant；Finally it is placed in 120 DEG C of baking oven and dries 2 hours, prepares
Recycled HDPE activeness and quietness composite calciferous.
The proportioning of the embodiment 5 of table 2（Number）
| Component is numbered | RHDPE | CaCO3 | MAH-g-PE | SCA | PE-Wax | A-O |
| 1 | 75 | 25 | 2 | 0.25 | 0.102 | 0.102 |
| 2 | 75 | 25 | 4 | 0.25 | 0.104 | 0.104 |
| 3 | 75 | 25 | 6 | 0.25 | 0.106 | 0.106 |
| 4 | 75 | 25 | 8 | 0.25 | 0.108 | 0.108 |
| 5 | 75 | 25 | 10 | 0.25 | 0.110 | 0.110 |
| 6 | 75 | 25 | 12 | 0.25 | 0.112 | 0.112 |
The preparation method of embodiment 6
A kind of Recycled HDPE activeness and quietness composite calciferous and preparation method thereof, it is characterised in that will
The calcium carbonate that surface is modified and Recycled HDPE mixing extrusion in double screw extruder.Specifically comprise the following steps：
Calcium carbonate, Recycled HDPE, silane coupler, maleic anhydride grafted polyethylene, the poly- second of oxidation are weighed in proportion
Alkene wax, antioxidant etc.；Calcium carbonate and Recycled HDPE are together placed in 120 DEG C of baking oven and dried 2 hours, after collection
It is placed in high-speed mixer；Coupling agent/ethanol solution is made in the absolute ethyl alcohol that silane coupler is dissolved in its 10 times of volumes, by it
Calcium carbonate surface is sprayed on, mixed and modified 10 minutes in high-speed mixer, is placed in 120 DEG C of baking oven and dries 2 hours；By silicon
The modified calcium carbonate in alkane coupling agent surface and Recycled HDPE, maleic anhydride grafted polyethylene, OPE,
The extruding pelletization in double screw extruder in proportion such as antioxidant；Finally it is placed in 120 DEG C of baking oven and dries 2 hours, prepares
Recycled HDPE activeness and quietness composite calciferous.
The proportioning of the embodiment 6 of table 3（Number）
| Component is numbered | RHDPE | CaCO3 | MAH-g-PE | SCA | PE-Wax | A-O |
| 1 | 75 | 25 | 2 | 0.375 | 0.102 | 0.102 |
| 2 | 75 | 25 | 4 | 0.375 | 0.104 | 0.104 |
| 3 | 75 | 25 | 6 | 0.375 | 0.106 | 0.106 |
| 4 | 75 | 25 | 8 | 0.375 | 0.108 | 0.108 |
| 5 | 75 | 25 | 10 | 0.375 | 0.110 | 0.110 |
| 6 | 75 | 25 | 12 | 0.375 | 0.112 | 0.112 |
To Recycled HDPE activeness and quietness composite property test calciferous obtained by embodiment 1-6：
Tensile property presses GB/T 1040.1-2006 standard testings；
Impact property presses GB/T 1843-1996 standard testings.
Bending property presses GB/T 9341-2000 standard testings.
The performance indications of the Recycled HDPE activeness and quietness composite such as table 4 as made from the method for the invention
It is shown.
Here description of the invention and application are illustrative, are not wishing to limit the scope of the invention to above-described embodiment
In, therefore, the present invention is not limited by the present embodiment, and any technical scheme obtained using equivalence replacement is protected in the present invention
In the range of.
The mechanical experimental results of composite obtained by the embodiment 1-6 of table 4
| Embodiment is numbered | Tensile strength（MPa） | Impact strength（kJ/m2） | Bending strength（MPa） | Bending modulus（MPa） |
| RHDPE raw materials | 19.04 | 110.35 | 13.13 | 299.35 |
| Embodiment 1 | 22.25 | 100.02 | 16.43 | 379.35 |
| Embodiment 2 | 22.18 | 103.21 | 16.37 | 381.67 |
| Embodiment 3 | 21.93 | 102.38 | 16.45 | 384.82 |
| Embodiment 4 | 24.07 | 109.78 | 17.32 | 392.91 |
| Embodiment 5 | 21.40 | 106.21 | 17.62 | 441.48 |
| Embodiment 6 | 22.15 | 101.29 | 15.68 | 355.25 |
Claims (10)
- A kind of 1. Recycled HDPE activeness and quietness composite calciferous and preparation method thereof, it is characterised in that Count in parts by weight, the raw material composition of the Recycled HDPE activeness and quietness composite calciferous is：Calcium carbonate （CaCO3）10-50 parts, Recycled HDPE（RHDPE）50-90 parts, silane coupler（SCA）0.025-1 parts, maleic acid Acid anhydride grafted polyethylene（MAH-g-PE）1-30 parts, OPE（PE-Wax）0.1-2 parts, antioxidant（A-O）0.1-2 parts； Wherein, calcium carbonate selects technical grade, net content >=90%；Recycled HDPE selects extrusion grade, net content >=90%；Silane Coupling agent, net content >=98%, maleic anhydride grafted polyethylene grafting rate are 1.5-1.8%, OPE, net content >= 99%；Antioxidant, net content >=99%.
- A kind of 2. Recycled HDPE activeness and quietness composite calciferous and preparation method thereof, it is characterised in that By the calcium carbonate that surface is modified and Recycled HDPE mixing extrusion in double screw extruder；Specifically include following step Suddenly：Calcium carbonate, Recycled HDPE, silane coupler, maleic anhydride grafted polyethylene, oxidic polyethylene are weighed in proportion Wax, antioxidant etc.；Calcium carbonate and Recycled HDPE are together placed in 120 DEG C of baking oven and dried 2 hours, is received in proportion It is placed in after collection in high-speed mixer；Coupling agent/ethanol is made in then absolute ethyl alcohol that silane coupler is dissolved in its 10 times of volumes Solution, calcium carbonate surface is sprayed on, mixed and modified 10 minutes in high-speed mixer, is placed in 120 DEG C of baking oven and dries 2 Hour；By the modified calcium carbonate in silane coupler surface and Recycled HDPE, maleic anhydride grafted polyethylene, oxidation The extruding pelletization in double screw extruder in proportion such as Tissuemat E, antioxidant；It is small that dry 2 are finally placed in 120 DEG C of baking oven When, prepare Recycled HDPE activeness and quietness composite calciferous.
- 3. a kind of Recycled HDPE activeness and quietness composite calciferous according to claim 1 and its system Preparation Method, it is characterised in that：Described Recycled HDPE is uniform black particle, content of ashes≤3%, and melting refers to Number is 0.16-0.6g/min, tensile strength 19.04Mpa, impact strength 110.35kJ/m2, bending strength is 13.13MPa, bending modulus 299.4MPa.
- 4. a kind of Recycled HDPE activeness and quietness composite calciferous according to claim 1 and its system Preparation Method, it is characterised in that：Described calcium carbonate, it is the irregular inorganic particle of 10 μm of particle diameters, can be largely filled out as filler Fill in high density polyethylene (HDPE) to reduce cost toughness.
- 5. a kind of Recycled HDPE activeness and quietness composite calciferous according to claim 1 and its system Preparation Method, it is characterised in that：Described silane coupler, model 101, net content 98%, can by dry and wet come Improve the interface adhesion of calcium carbonate and Recycled HDPE, improve its compatibility, maintain mechanical property constant or very To lifting.
- 6. a kind of Recycled HDPE activeness and quietness composite calciferous according to claim 1 and its system Preparation Method, it is characterised in that：Described maleic anhydride grafted polyethylene, trade mark MA-HD, extrusion grade, grafting rate 1.5- 1.8%, melt index 1-3g/10min.
- 7. a kind of Recycled HDPE activeness and quietness composite calciferous according to claim 1 and its system Preparation Method, it is characterised in that：Described OPE, it is DOP plasticizer, active principle content 99%, molecular weight exists Between 3000-5000, fusing point is 105-120 DEG C, can be used for optimizing the rheological characteristic in process.
- 8. a kind of Recycled HDPE activeness and quietness composite calciferous according to claim 1 and its system Preparation Method, it is characterised in that：Described antioxidant, model 1010, active principle content are 99%, molecular weight 1177.65, It 110-125 DEG C of fusing point, can be used to prevent the oxidation of polymer, effectively extend the useful life of product.
- 9. a kind of Recycled HDPE activeness and quietness composite calciferous according to claim 2 and its system Preparation Method, it is characterised in that：Temperature of the double screw extruder from charging aperture to extruder head respectively is：170℃、 190℃、200℃、200℃、210℃、210℃；Feeding spiro rod rotating speed is 30-80rpm, and extrusion screw rod rotating speed is 60-120rpm.
- A kind of 10. Recycled HDPE activeness and quietness composite calciferous and preparation method thereof, it is characterised in that Preparation method described in its claim any one of 1-9 is made.
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| CN109206713A (en) * | 2018-08-30 | 2019-01-15 | 天津职业技术师范大学 | A kind of preparation method and application of the Recycled HDPE composite material containing Poplar Powder |
| CN110194858A (en) * | 2019-04-30 | 2019-09-03 | 广东安恒塑业有限公司 | A kind of modified HDPE material and preparation method thereof and cable protection pipe obtained |
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| CN104371188A (en) * | 2014-02-21 | 2015-02-25 | 解波 | High strength and high gloss recycled plastic and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109206713A (en) * | 2018-08-30 | 2019-01-15 | 天津职业技术师范大学 | A kind of preparation method and application of the Recycled HDPE composite material containing Poplar Powder |
| CN110194858A (en) * | 2019-04-30 | 2019-09-03 | 广东安恒塑业有限公司 | A kind of modified HDPE material and preparation method thereof and cable protection pipe obtained |
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