CN106810743A - PE and preparation method thereof is reclaimed in isomerism crosslinking toughness reinforcing enhancing - Google Patents
PE and preparation method thereof is reclaimed in isomerism crosslinking toughness reinforcing enhancing Download PDFInfo
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- CN106810743A CN106810743A CN201611198079.9A CN201611198079A CN106810743A CN 106810743 A CN106810743 A CN 106810743A CN 201611198079 A CN201611198079 A CN 201611198079A CN 106810743 A CN106810743 A CN 106810743A
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- crosslinking
- isomerism
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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
- 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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- 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
- C08L2205/06—Polymer mixtures characterised by other features having improved processability or containing aids for moulding methods
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
- C08L2312/08—Crosslinking by silane
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Abstract
Isomerism crosslinking activeness and quietness reclaims PE and preparation method thereof, is related to a kind of activeness and quietness to reclaim PE and preparation method thereof, and PE forced air drying 3~4 hours under the conditions of 70 DEG C will be reclaimed first；Homemade micro- crosslinking masterbatch are first put into grinding during Universalpulverizer places into planetary ball mill and reach 10~50 μm up to being crosslinked the particle diameter of material, then dried recovery PE, homemade micro- crosslinking masterbatch, toughener, inorganic filler being weighed by weight ratio and putting into 4~6min of high-speed mixer and mixing, reworked material is obtained final product in extruding pelletization at 100 DEG C 180 DEG C with double screw extruder.Technical scheme can simultaneously realize the effect to reclaiming the mechanical properties such as PE enhancings, toughness reinforcing, and isomerism cross-linking method is introduced into the regenerative process that can make recovery PE the performance that compatilizer need not be added to make reworked material very well, great market popularization value.
Description
Technical field
The present invention relates to a kind of plastic material and preparation method thereof, more particularly to a kind of isomerism crosslinking toughness reinforcing enhancing
Reclaim PE and preparation method thereof.
Background technology
Plastic industry fast development in recent years, polyethylene as a kind of general-purpose plastics, in commodity, building, automobile making
The field extensive use such as industry, especially in tubing field, because polyvinyl piping materials have good, corrosion-resistant pliability, easy construction and peace
The features such as dress, be widely used in city have stable political situation building water supply and drainage, heat supply heating, electric wire threading and mine mineral conveying etc. neck
Domain.
At present, PE tubing has turned into after PVC, in the world second largest plastic conduit kind of consumption figure, but with
The expansion of polyethylene application field and the increase of usage amount, waste polyethylene are also growing day by day, and waste polyethylene is old due to occurring
Change degraded, its physical property is also greatly limited far away from virgin material polyethylene, its application, is only used for making low property
The product of energy, if not being applied, waste of resource can cause greatly pollution to environment again.
In sum, the regeneration of waste polyethylene is used, and is conducive to the sustainable development of plastic industry, with important society
Can meaning and economic implications.Waste polyethylene is regenerated for manufacturing polyvinyl piping materials, market can be met to polyvinyl piping materials
Demand, environmental problem can be solved again, economize on resources.Therefore it is the root for solving problem above that waste polyethylene reclaims modification technology
This, it would be desirable to a kind of efficient technological means is reclaimed to PE.
Traditional method of modifying is modified by increasing auxiliary agent, it will usually cause the Some Mechanical Properties for regenerating PE to decline, such as
The tensile property of PE declines, so as to influence overall mechanical property.
The content of the invention
PE and preparation method thereof, the present invention are reclaimed it is an object of the invention to provide a kind of crosslinking toughness reinforcing enhancing of isomerism
It is a kind of effective way for improving plastics mechanical property that activeness and quietness is modified, and its technological operation is simple and can enter recycled plastic
Row is produced in enormous quantities, meets the industrialization and sustainable development in market, and this method is by using isomerism cross-linking method activeness and quietness
Reclaim PE.
The purpose of the present invention is achieved through the following technical solutions：
PE is reclaimed in isomerism crosslinking toughness reinforcing enhancing, and recovery PE compositions based on mass weight part are as follows：
Reclaim 100 parts of PE；
3~10 parts of toughener；
10~30 parts of crosslinking masterbatch；
5~10 parts of inorganic filler.
Described isomerism crosslinking activeness and quietness reclaims PE, and the crosslinking masterbatch are made up of A material B material and product aqua three part；
Wherein A expects composition:Silane crosslinker：Vinyltrimethoxy silane；Initiator（Dibenzoyl peroxide（BPO）；B expects composition：
Catalyst（Dibutyl tin laurate）；Antioxidant（Antioxidant 1010）；Produce aqua composition：Acid and metal oxide with（1：1）
Ratio mixes.
Described isomerism crosslinking activeness and quietness reclaims PE, and the toughener is POE, polyvinyl acetate emulsion, poly- second
At least one in enol, preferably POE；Silane crosslinker is at least one in vinyl silanes, preferred vinyl trimethoxy
Base silane；Inorganic filler is at least one in calcium carbonate, talcum powder, preferably calcium carbonate；Initiator is benzoyl peroxide
（BPO）And cumyl peroxide（DCP）In at least one, preferred benzoyl peroxide（BPO）；Toughener is POE, poly-vinegar
At least one in sour vac emulsion, polyvinyl alcohol, preferably POE；Antioxidant be antioxidant 1010, antioxidant 1076 at least
One kind, preferably antioxidant 1010；Catalyst is dibutyl tin laurate, triethylamine, Tri-n-Propylamine, tri-n-butylamine, N, N- bis-
At least one of methylbutylamine, preferably dibutyl tin laurate；It is acid and metal oxide mixing, preferably stearic acid to produce aqua
And zinc oxide.
Isomerism crosslinking activeness and quietness reclaims PE preparation methods, the described method comprises the following steps：
A, 95 parts of A material is weighed by mass fraction, extruding pelletization in double screw extruder is put into after 4.5 parts of B material mixing, then again with
0.5 part is produced that aqua is well mixed to be put into double screw extruder extruding pelletization and form micro- crosslinking masterbatch.
B, the micro- crosslinking masterbatch in A portions are first put into Universalpulverizer place into grinding in planetary ball mill until crosslinking
Untill the particle diameter of material reaches 10~50 μm；
C, PE forced air drying 3~4 hours under the conditions of 70 DEG C will be reclaimed, by weight ratio by micro- crosslinking masterbatch, toughener, returned
Receive PE, inorganic filler and put into high-speed mixer high speed mixing 4~6 minutes, make its uniform mixing；
D, the material being well mixed in above-mentioned high-speed mixer is added to screw slenderness ratio for 36, rotating speed is double for 200r/min's
In screw extruder, in the molten state using twin-screw Strong shear power by the control of the average grain diameter of micro- crosslinking masterbatch 10~
50 μm, while crosslinking material is well mixed with reclaimed materials and inorganic filler, above-mentioned compound extruding pelletization is obtained to regenerate PE.
Described isomerism crosslinking activeness and quietness reclaims PE preparation methods, the extruder temperature control of the double screw extruder
System is between 100 DEG C -180 DEG C.
Advantages of the present invention is with effect：
It is a kind of effective way for improving plastics mechanical property that activeness and quietness of the present invention is modified, and its technological operation is simple and can be by
Recycled plastic is produced in enormous quantities, meets the industrialization and sustainable development in market, and the present invention is crosslinked by with isomerism
Method activeness and quietness reclaims PE.
Specific embodiment
With reference to embodiment, the present invention is described in detail.
Embodiment 1-3, the weight distribution ratio of each component is as shown in table 1 in each embodiment.Each component is weighed by proportioning,
Mix 5 minutes in homogenizer, be placed in the raw material of compound in double screw extruder and make material, extruder temperature by discharging
Between 100 DEG C -180 DEG C, rotating speed is 200r/min for control.Batten is prepared, by corresponding standard testing（It is shown in Table 2）, performance knot
Fruit is shown in Table 3.
Table 1：Formula composition (part of embodiment 1-3）
Table 2：Mechanics Performance Testing standard
Table 3：The Mechanics Performance Testing of PE feed backs in embodiment 1-3
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 |
| Tensile strength MPa | 11 | 8 | 7 | 19 |
| Elongation at break % | 210 | 230 | 239 | 298 |
| 55 | 61 | 72 | 82 |
From the embodiment 1-3 of table 3 and the performance test results of comparative example 1, we understand：Not using micro- crosslinking masterbatch when
Wait, the tensile property that material can be reduced while being added in raising recovery PE impact properties of other modified additives, and prepared
Micro- crosslinking masterbatch particle diameter be crushed to 10~50 μm after crosslinking material is put into toughener, recovery PE, inorganic filler etc. again
Shear-mixed in the double screw extruder of big L/D ratio, this method can also improve its drawing while improving and reclaiming PE toughness
Performance is stretched, isomerism cross-linking method is realized to reclaiming PE materials while carrying out the effect of activeness and quietness.
The present invention is further illustrated above by specific embodiment, but these embodiments are only exemplary
, any limitation is not constituted to protection scope of the present invention.It will be appreciated by those skilled in the art that without departing from spirit of the invention
In the case of protection domain, technical solutions and their implementation methods of the present invention can be carried out various equivalencings, modification or
Improve, these all should fall within the scope of protection of the present invention.Protection scope of the present invention is defined by appended claim.
Claims (5)
1. PE is reclaimed in isomerism crosslinking toughness reinforcing enhancing, it is characterised in that recovery PE compositions based on mass weight part are as follows：
Reclaim 100 parts of PE；
3~10 parts of toughener；
10~30 parts of crosslinking masterbatch；
5~10 parts of inorganic filler.
2. isomerism according to claim 1 crosslinking activeness and quietness reclaims PE, it is characterised in that the crosslinking masterbatch by
A material B material and product aqua three part composition；Wherein A expects composition:Silane crosslinker：Vinyltrimethoxy silane；Initiator（Cross
Oxidation dibenzoyl（BPO）；B expects composition：Catalyst（Dibutyl tin laurate）；Antioxidant（Antioxidant 1010）；Produce aqua
Composition：Acid and metal oxide with（1：1）Ratio mixes.
3. isomerism according to claim 1 crosslinking activeness and quietness reclaims PE, it is characterised in that the toughener is
At least one in POE, polyvinyl acetate emulsion, polyvinyl alcohol, preferably POE；Silane crosslinker be vinyl silanes in extremely
Few one kind, preferred vinyl trimethoxy silane；Inorganic filler is at least one in calcium carbonate, talcum powder, preferably calcium carbonate；
Initiator is benzoyl peroxide（BPO）And cumyl peroxide（DCP）In at least one, preferred benzoyl peroxide
（BPO）；Toughener is at least one in POE, polyvinyl acetate emulsion, polyvinyl alcohol, preferably POE；Antioxidant is antioxidant
1010th, at least one in antioxidant 1076, preferably antioxidant 1010；Catalyst is dibutyl tin laurate, triethylamine, three
At least one of n-propylamine, tri-n-butylamine, N, N- dimethyl butylamines, preferably dibutyl tin laurate；It is acid and gold to produce aqua
Category oxide mixing, preferably stearic acid and zinc oxide.
4. isomerism crosslinking activeness and quietness reclaims PE preparation methods, it is characterised in that the described method comprises the following steps：
A, 95 parts of A material is weighed by mass fraction, extruding pelletization in double screw extruder is put into after 4.5 parts of B material mixing, then again with
0.5 part is produced that aqua is well mixed to be put into double screw extruder extruding pelletization and form micro- crosslinking masterbatch；
B, the micro- crosslinking masterbatch in A portions are first put into Universalpulverizer place into grinding in planetary ball mill until crosslinking material
Untill particle diameter reaches 10~50 μm；
C, PE forced air drying 3~4 hours under the conditions of 70 DEG C will be reclaimed, by weight ratio by micro- crosslinking masterbatch, toughener, returned
Receive PE, inorganic filler and put into high-speed mixer high speed mixing 4~6 minutes, make its uniform mixing；
D, the material being well mixed in above-mentioned high-speed mixer is added to screw slenderness ratio for 36, rotating speed is double for 200r/min's
In screw extruder, in the molten state using twin-screw Strong shear power by the control of the average grain diameter of micro- crosslinking masterbatch 10~
50 μm, while crosslinking material is well mixed with reclaimed materials and inorganic filler, above-mentioned compound extruding pelletization is obtained to regenerate PE.
5. isomerism crosslinking activeness and quietness according to claim 4 reclaims PE preparation methods, it is characterised in that described double
The extruder temperature of screw extruder is controlled between 100 DEG C -180 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611198079.9A CN106810743A (en) | 2016-12-22 | 2016-12-22 | PE and preparation method thereof is reclaimed in isomerism crosslinking toughness reinforcing enhancing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611198079.9A CN106810743A (en) | 2016-12-22 | 2016-12-22 | PE and preparation method thereof is reclaimed in isomerism crosslinking toughness reinforcing enhancing |
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| Publication Number | Publication Date |
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| CN106810743A true CN106810743A (en) | 2017-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611198079.9A Withdrawn CN106810743A (en) | 2016-12-22 | 2016-12-22 | PE and preparation method thereof is reclaimed in isomerism crosslinking toughness reinforcing enhancing |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112390996A (en) * | 2020-10-29 | 2021-02-23 | 江西格林美资源循环有限公司 | Modified regenerated polyethylene plastic for plastic pipeline and preparation method thereof |
| CN112724486A (en) * | 2020-12-22 | 2021-04-30 | 金发科技股份有限公司 | Polyolefin material and preparation method and application thereof |
| CN114479225A (en) * | 2020-10-23 | 2022-05-13 | 中国石油化工股份有限公司 | Stress cracking resistant polyethylene sheath material for bridge cable and preparation method thereof |
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| CN104130492A (en) * | 2014-07-25 | 2014-11-05 | 贵州凯科特材料有限公司 | One-step silicane cross-linked polyethylene cable material and preparation method thereof |
| CN105219074A (en) * | 2015-11-09 | 2016-01-06 | 沈阳化工大学 | Isomerism crosslinking toughen and intensify reclaims nylon and preparation method thereof |
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2016
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Patent Citations (3)
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| CN104130492A (en) * | 2014-07-25 | 2014-11-05 | 贵州凯科特材料有限公司 | One-step silicane cross-linked polyethylene cable material and preparation method thereof |
| CN105219074A (en) * | 2015-11-09 | 2016-01-06 | 沈阳化工大学 | Isomerism crosslinking toughen and intensify reclaims nylon and preparation method thereof |
| CN105602059A (en) * | 2015-11-10 | 2016-05-25 | 沈阳化工大学 | Crosslinking master batch which is controllable in crosslinking degree and is used for regenerated polyethylene, and preparation method thereof |
Non-Patent Citations (1)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114479225A (en) * | 2020-10-23 | 2022-05-13 | 中国石油化工股份有限公司 | Stress cracking resistant polyethylene sheath material for bridge cable and preparation method thereof |
| CN114479225B (en) * | 2020-10-23 | 2023-10-20 | 中国石油化工股份有限公司 | Stress cracking-resistant polyethylene sheath material for bridge cable and preparation method thereof |
| CN112390996A (en) * | 2020-10-29 | 2021-02-23 | 江西格林美资源循环有限公司 | Modified regenerated polyethylene plastic for plastic pipeline and preparation method thereof |
| CN112390996B (en) * | 2020-10-29 | 2022-08-30 | 江西格林循环产业股份有限公司 | Modified regenerated polyethylene plastic for plastic pipeline and preparation method thereof |
| CN112724486A (en) * | 2020-12-22 | 2021-04-30 | 金发科技股份有限公司 | Polyolefin material and preparation method and application thereof |
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Application publication date: 20170609 |
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