CN107254090A - A kind of modified PE recycled plastic granules and its preparation technology - Google Patents
A kind of modified PE recycled plastic granules and its preparation technology Download PDFInfo
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- CN107254090A CN107254090A CN201710486363.4A CN201710486363A CN107254090A CN 107254090 A CN107254090 A CN 107254090A CN 201710486363 A CN201710486363 A CN 201710486363A CN 107254090 A CN107254090 A CN 107254090A
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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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
- C08K3/02—Elements
- C08K2003/026—Phosphorus
-
- 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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
-
- 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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- 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
-
- 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
-
- 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
Abstract
The invention provides a kind of modified PE recycled plastic granules and its preparation technology, be technically characterized in that be in the way of newborn PE particles are combined with PE waste materials based on material, and special additive is also added in composition, special fire retardant etc., and the temperature of the strict each step of control, the factors such as duration, additive and fire retardant and PE is set to form the effect of " Synergistic " between expecting, increase substantially the performance of product of the present invention, by test, flame retardant rating reaches 0 grade of V, transverse tensile strength is up to 43 Mpa, longitudinal tensile strength is up to 50 Mpa, transverse breakage elongation is up to 760%, longitudinal elongation at break rate is up to 650%, heat seal strength is up to 32 N/15mm, compared to the fire resistance of common regeneration PE plastic grains, lifting is obvious.
Description
Technical field
The present invention relates to packaging material production technical field, more particularly to a kind of modified PE recycled plastic granules and its preparation
Technique.
Background technology
Polyethylene（Polyethylene, abbreviation PE）It is a kind of aggregated obtained thermoplastic resin of ethene.In industry
On, the also copolymer including ethene Yu a small amount of alpha-olefin.Polyethylene odorless, nontoxic, feel ceraceous, with excellent lower temperature resistance
Energy（Minimum reachable -100 ~ -70 °C of temperature in use）, chemical stability is good, is resistant to the erosion of most of soda acids（Intolerant to oxidation
The acid of property）.Common solvent is not dissolved under normal temperature, water imbibition is small, and electrical insulating property is excellent.
Polyethylene can be processed with methods such as blowing, extrusion, injection mouldings, be widely used in manufacture film, hollow product, fibre
Peacekeeping daily use Sundry goods etc..And due to the property of indivedual industries, the use time that PE products are had more greatly is not long, so can cause big
The PE waste materials of amount；For environmental protection, the consideration of cost is reduced, most of PE waste materials can be recycled, through over cleaning, drying, granulation, cold
But, after the process such as pelletizing, new modified PE recycled plastic granules can be made, then add by methods such as blowing, extrusion, injection mouldings
New product can be made in work again.
But the performance of the product obtained by current most of modified PE recycled plastic granules is not good, main reason is that not
, occupation mode different with the use environment of PE waste materials is different, can cause the performance reduction of PE waste materials in itself, and most at present
It is all directly use PE waste materials to be produced as raw material to reclaim preparation section, individual process can add it is a little commonly use toughener,
Conventional fire retardant etc., to improve the performance of regenerated plastics, but effect is not still obvious, the mechanical property of its obtained product and resistance
Fire performance undesirable.
The content of the invention
In order to overcome above mentioned problem, the invention provides a kind of modified PE recycled plastic granules and its preparation technology.
To achieve the above object, the technical scheme that provides of the present invention is：
A kind of modified PE recycled plastic granules, are composed of the following components in parts by weight：20-30 parts of PE particles, PE waste materials 20-50
Part, special additive 10-13 parts, special fire retardant 3-6 parts, 5-7 parts of toughener, 4-7 parts of sorbierite.
Specifically, every part of described special additive is composed of the following components in parts by weight：Activity is according to ammonium phosphate part 30-
40th, phosphate 15-25 parts, 10-18 parts of bentonite, 20-28 parts of aluminium hydroxide, surplus is water.
Specifically, every part of described special fire retardant is composed of the following components in parts by weight：25 parts of red phosphorus, microwax 8-15
Part, 20-30 parts of diethylene triamine, 20-30 parts of chlorinated paraffin, surplus is water.
A kind of preparation technology of modified PE recycled plastic granules, comprises the following steps：
1）PE particles and PE waste materials are separately added into standby after pulverizer is crushed；
2）By step 1）Melted after obtained PE wasted powders are mixed with sorbierite in feeding fusion apparatus, form a mixing
Material；Described melting temperature is 380-420 DEG C, and melt pressure is 60-75mbar；
3）By step 1）Obtained PE particle powders and step 2）An obtained compound adds high polymer material mixer and entered
Row high-temperature stirring, mixing speed is 400r/min, and whipping temp is 200-320 DEG C, and mixing time is 20min, is added after terminating
Special additive continues to stir, and whipping temp is 280-320 DEG C, and No. two compounds are obtained after stirring 10min；
4）By special fire retardant, toughener and step 3）No. two obtained compounds are added in fusion apparatus and melted, described
Melting temperature is 350-400 DEG C, and melt pressure is 50-75mbar；Obtain regenerated plastics；
5）By step 4）Engineering plastics extruder is put into after obtained regenerated plastics natural cooling to be granulated, and obtains modified PE again
Raw plastic grain.
Above-mentioned technical proposal is beneficial in that：
The invention provides a kind of modified PE recycled plastic granules and its preparation technology, it is technically characterized in that it is with newborn PE particles
Material based on the mode combined with PE waste materials, and special additive, special fire retardant etc. are also added in composition, and sternly
The factors such as temperature, the duration of each step of lattice control, enable additive and fire retardant and PE to be formed " Synergistic " between expecting
Effect, increases substantially the performance of product of the present invention, it can be ensured that processed with modified PE recycled plastic granules produced by the present invention
Into product there is excellent physical property and fire resistance, by test, flame retardant rating reaches V-0 grades, transverse tensile strength
Up to 43 Mpa, longitudinal tensile strength is up to 50 Mpa, and transverse breakage elongation is up to 760%, longitudinal fracture
Elongation is up to 650%, and heat seal strength is up to 32 N/15mm, compared to the anti-flammability of common regeneration PE plastic grains
Can, lifting is obvious.
Technical scheme is clearly and completely described below in conjunction with embodiment, it is clear that retouched
The embodiment stated is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this area
The every other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present invention
Scope.
Embodiment
Embodiment 1
A kind of modified PE recycled plastic granules, are composed of the following components in parts by weight：It is 22 parts of PE particles, 44 parts of PE waste materials, special
12 parts of additive, 5 parts of special fire retardant, 5 parts of toughener, 5 parts of sorbierite.
Specifically, every part of described special additive is composed of the following components in parts by weight：Activity is according to ammonium phosphate part 30-
40th, phosphate 15-25 parts, 10-18 parts of bentonite, 20-28 parts of aluminium hydroxide, surplus is water.
Specifically, every part of described special fire retardant is composed of the following components in parts by weight：25 parts of red phosphorus, microwax 8-15
Part, 20-30 parts of diethylene triamine, 20-30 parts of chlorinated paraffin, surplus is water.
A kind of preparation technology of modified PE recycled plastic granules, comprises the following steps：
1）PE particles and PE waste materials are separately added into standby after pulverizer is crushed；
2）By step 1）Melted after obtained PE wasted powders are mixed with sorbierite in feeding fusion apparatus, form a mixing
Material；Described melting temperature is 400 DEG C, and melt pressure is 70mbar；
3）By step 1）Obtained PE particle powders and step 2）An obtained compound adds high polymer material mixer and entered
Row high-temperature stirring, mixing speed is 400r/min, and whipping temp is 300 DEG C, and mixing time is 20min, is added after terminating special
Additive continues to stir, and whipping temp is 290 DEG C, and No. two compounds are obtained after stirring 10min；
4）By special fire retardant, toughener and step 3）No. two obtained compounds are added in fusion apparatus and melted, described
Melting temperature is 380 DEG C, and melt pressure is 60mbar；Obtain regenerated plastics；
5）By step 4）Engineering plastics extruder is put into after obtained regenerated plastics natural cooling to be granulated, and obtains modified PE again
Raw plastic grain.
Embodiment 2
A kind of modified PE recycled plastic granules as described in Example 1 and its preparation technology, which part step can also be used
Following technique：
Described modified PE recycled plastic granules are composed of the following components in parts by weight：It is 28 parts of PE particles, 32 parts of PE waste materials, special
11 parts of additive, 4 parts of special fire retardant, 6 parts of toughener, 6 parts of sorbierite.
In step 2）In, described melting temperature is 400 DEG C, and melt pressure is 65mbar.
In step 3）In, the whipping temp of the first time is 250 DEG C, and secondary whipping temp is 310 DEG C.
In step 4）In, described melting temperature is 360 DEG C, and melt pressure is 70mbar.
Embodiment 3
A kind of preparation technology of modified PE recycled plastic granules as described in Example 1, which part step can also use with
Lower technique：
Described modified PE recycled plastic granules are composed of the following components in parts by weight：It is 30 parts of PE particles, 20 parts of PE waste materials, special
13 parts of additive, 3 parts of special fire retardant, 7 parts of toughener, 4 parts of sorbierite.
In step 2）In, described melting temperature is 420 DEG C, and melt pressure is 60mbar.
In step 3）In, the whipping temp of the first time is 320 DEG C, and secondary whipping temp is 280 DEG C.
In step 4）In, described melting temperature is 350 DEG C, and melt pressure is 75mbar.
Embodiment 4
A kind of preparation technology of modified PE recycled plastic granules as described in Example 1, which part step can also use with
Lower technique：
Described modified PE recycled plastic granules are composed of the following components in parts by weight：It is 20 parts of PE particles, 50 parts of PE waste materials, special
10 parts of additive, 6 parts of special fire retardant, 5 parts of toughener, 7 parts of sorbierite.
In step 2）In, described melting temperature is 380 DEG C, and melt pressure is 75mbar.
In step 3）In, the whipping temp of the first time is 200 DEG C, and secondary whipping temp is 320 DEG C.
In step 4）In, described melting temperature is 400 DEG C, and melt pressure is 50mbar.
Material based on technical key point is that in the way of newborn PE particles are combined with PE waste materials, is compared
Existing preparation technology, cost can be somewhat higher, but due to the present invention special additive is also added in composition, it is special fire-retardant
Agent etc., and the factor such as temperature, the duration of each step of strict control, enable additive and fire retardant and PE to form " association between expecting
The effect of same synergy ", increases substantially the performance of product of the present invention, it can be ensured that with modified PE regenerated plastics produced by the present invention
The product that particle is processed into has excellent physical property and fire resistance, compared with the prior art, still with excellent property
Valency ratio, it is specific as follows to state shown in the result of the test of test method.
Test proves that, by the modified PE recycled plastic granules obtained by above-mentioned 4 embodiments of the present invention, that is, use
20-30 parts of PE particles, 20-50 parts of PE waste materials, special additive 10-13 parts, special fire retardant 3-6 parts, 5-7 parts of toughener, mountain
1-3 parts of pears alcohol；Again by the present invention preparation technology prepared obtained by modified PE recycled plastic granules it is fire-retardant
Performance can reach V-0 grades, and transverse tensile strength is up to 43 Mpa, and longitudinal tensile strength is up to 50 Mpa, laterally disconnected
Split elongation and be up to 760%, longitudinal elongation at break rate is up to 650%, and heat seal strength is up to 32 N/15mm, phase
Than the fire resistance of common regeneration PE plastic grains, lifting is obvious.
Performance test：
Experiment one：Fire resistance for modified PE recycled plastic granules makes measure.
Test sample：Through product made from technical scheme described in above-mentioned 4 embodiments of the present invention and on the market common
PE plastic grains are regenerated, the product that different technologies are obtained is sampled 4 kinds respectively, common regeneration PE plastic grains are also sampled 4 kinds.
Result of the test is as shown in table 1：
Table 1（Unit：Second）
In being tested more than, serial 1-5 4 repetitions are dropped without comburant.
Note：In table 1, serial 1-4 is respectively the product obtained by four embodiments of the invention, and series 5 is common regeneration PE
Plastic grain, repeats the repeated sampling that 1-4 is each product.
It can be seen from Table 1 that, by the modified PE recycled plastic granules obtained by the present invention in test, the minimum time
For 4 seconds, up to 7 seconds, and the minimum time for commonly regenerating PE plastic grains is 15 seconds, up to 19 seconds, can prove process
The flame retardant rating of the modified PE recycled plastic granules obtained by technical scheme described in four embodiments of the invention reaches V-0
Level, the fire resistance of common regeneration PE plastic grains is V-1 grades.
Conclusion (of pressure testing)：
It can be seen from Table 1 that, through the fire-retardant of the modified PE recycled plastic granules obtained by the technical scheme described in the present invention
Fire resistance of the performance far above common regeneration PE plastic grains；Wherein, with the technical scheme described in embodiment 1, i.e. composition
In include 22 parts of PE particles, 44 parts of PE waste materials, 12 parts of special additive, 5 parts of special fire retardant, 5 parts of toughener, 5 parts of sorbierite；
In technique, in step 2）In, described melting temperature is 400 DEG C, and melt pressure is 70mbar；In step 3）In, described first
Secondary whipping temp is 300 DEG C, and secondary whipping temp is 290 DEG C；In step 4）In, described melting temperature is 380 DEG C,
Melt pressure is the fire resistance highest of the modified PE recycled plastic granules obtained by 60mbar, compared to common regeneration PE plastics
The fire resistance of grain, lifting is obvious.
Experiment two：Measure is made for the physical property with PE films made from modified PE recycled plastic granules.
Test sample：Through product made from technical scheme described in above-mentioned 4 embodiments of the present invention and on the market common
PE plastic grains are regenerated, the product that different technologies are obtained is sampled 4 kinds respectively, common regeneration PE plastic grains are also sampled 4 kinds.
Note：Sampling standard is according to II grade of the general inspections of GB/T2828.1-2003 level, two subnormal sampling plans, and AQL=
6.5。
Technical requirements：
Result of the test is as shown in table 2-6：
Table 2
Table 3
Table 4
Table 5
Table 6
Note：Four repetitions in table 2-5 are respectively four repeated samplings of aforementioned four embodiment of the present invention, table 6 for it is common again
Four repeated samplings of raw PE plastic grains.
Conclusion (of pressure testing)：
It can be seen from Table 1 that, the physics through the modified PE recycled plastic granules obtained by the technical scheme described in the present invention
Physical property of the performance far above common regeneration PE plastic grains；Wherein, with the technical scheme described in embodiment 1, i.e. composition
In include 22 parts of PE particles, 44 parts of PE waste materials, 12 parts of special additive, 5 parts of special fire retardant, 5 parts of toughener, 5 parts of sorbierite；
In technique, in step 2）In, described melting temperature is 400 DEG C, and melt pressure is 70mbar；In step 3）In, described first
Secondary whipping temp is 300 DEG C, and secondary whipping temp is 290 DEG C；In step 4）In, described melting temperature is 380 DEG C,
Melt pressure is that the physical property of the modified PE recycled plastic granules obtained by 60mbar is optimal, and transverse tensile strength is up to
43 Mpa, longitudinal tensile strength is up to 50 Mpa, and transverse breakage elongation is up to 760%, and longitudinal elongation at break rate is most
Up to 650%, heat seal strength is up to 32 N/15mm, compared to the fire resistance of common regeneration PE plastic grains, is lifted bright
It is aobvious.
In addition, be can be seen that by table 1-6 by modified PE recycled plastic granules obtained by 4 embodiments of the invention
It is optimal with embodiment 1 in fire resistance and physical property, but other three embodiments also exceed common regeneration PE plastics
The performance of grain, and PE particles are only with 22 parts in composition in the technical scheme of embodiment 1, compared to other 3 embodiments, reduction
The consumption of PE particles, can but bring more excellent technique effect, cost performance is higher.
Claims (8)
1. a kind of modified PE recycled plastic granules, it is characterised in that be composed of the following components in parts by weight：20-30 parts of PE particles,
20-50 parts of PE waste materials, special additive 10-13 parts, special fire retardant 3-6 parts, 5-7 parts of toughener, 4-7 parts of sorbierite.
2. a kind of modified PE recycled plastic granules as claimed in claim 1, it is characterised in that by following parts by weight into packet
Into：22 parts of PE particles, 44 parts of PE waste materials, 12 parts of special additive, 5 parts of special fire retardant, 5 parts of toughener, 5 parts of sorbierite.
3. a kind of modified PE recycled plastic granules as claimed in claim 1 or 2, it is characterised in that：Described every part is special to be added
Charging is composed of the following components in parts by weight：Activity is according to ammonium phosphate part 30-40,15-25 parts of phosphate, 10-18 parts of bentonite, hydrogen
20-28 parts of aluminum oxide, surplus is water.
4. a kind of modified PE recycled plastic granules as claimed in claim 1 or 2, it is characterised in that：The special resistance of described every part
Combustion agent is composed of the following components in parts by weight：25 parts of red phosphorus, 8-15 parts of microwax, 20-30 parts of diethylene triamine, chlorinated paraffin
20-30 parts, surplus is water.
5. a kind of preparation technology of modified PE recycled plastic granules as claimed in claim 1, it is characterised in that including following step
Suddenly：
1）PE particles and PE waste materials are separately added into standby after pulverizer is crushed；
2）By step 1）Melted after obtained PE wasted powders are mixed with sorbierite in feeding fusion apparatus, form a mixing
Material；Described melting temperature is 380-420 DEG C, and melt pressure is 60-75mbar；
3）By step 1）Obtained PE particle powders and step 2）An obtained compound adds high polymer material mixer and entered
Row high-temperature stirring, mixing speed is 400r/min, and whipping temp is 200-320 DEG C, and mixing time is 20min, is added after terminating
Special additive continues to stir, and whipping temp is 280-320 DEG C, and No. two compounds are obtained after stirring 10min；
4）By special fire retardant, toughener and step 3）No. two obtained compounds are added in fusion apparatus and melted, described
Melting temperature is 350-400 DEG C, and melt pressure is 50-75mbar；Obtain regenerated plastics；
5）By step 4）Engineering plastics extruder is put into after obtained regenerated plastics natural cooling to be granulated, and obtains modified PE again
Raw plastic grain.
6. a kind of preparation technology of modified PE recycled plastic granules as claimed in claim 5, it is characterised in that：In step 2）
In, described melting temperature is 400 DEG C, and melt pressure is 70mbar.
7. a kind of preparation technology of modified PE recycled plastic granules as claimed in claim 5, it is characterised in that：In step 3）
In, the whipping temp of the first time is 300 DEG C, and secondary whipping temp is 290 DEG C.
8. a kind of preparation technology of modified PE recycled plastic granules as claimed in claim 5, it is characterised in that：In step 4）
In, described melting temperature is 380 DEG C, and melt pressure is 60mbar.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111234355A (en) * | 2020-03-30 | 2020-06-05 | 界首市通达塑业有限公司 | Antibacterial durable PE composite particle |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102993538A (en) * | 2011-09-09 | 2013-03-27 | 滁州格美特科技有限公司 | Modified plastic, and making method and use thereof |
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2017
- 2017-06-23 CN CN201710486363.4A patent/CN107254090A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102993538A (en) * | 2011-09-09 | 2013-03-27 | 滁州格美特科技有限公司 | Modified plastic, and making method and use thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111234355A (en) * | 2020-03-30 | 2020-06-05 | 界首市通达塑业有限公司 | Antibacterial durable PE composite particle |
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Application publication date: 20171017 |