CN109762234A - Wear resistant polyethylene plastics and preparation method - Google Patents
Wear resistant polyethylene plastics and preparation method Download PDFInfo
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- CN109762234A CN109762234A CN201910094319.8A CN201910094319A CN109762234A CN 109762234 A CN109762234 A CN 109762234A CN 201910094319 A CN201910094319 A CN 201910094319A CN 109762234 A CN109762234 A CN 109762234A
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Abstract
The invention belongs to technical field of polymer materials, especially wear resistant polyethylene plastics and preparation method.The application the technical solution adopted is that include following components: 150-350 parts of high density polyethylene (HDPE), 25-45 parts of ethylene-ethyl acrylate copolymer, 5-20 parts of ethene-vinyl acetate wax, 5-20 parts of nekal, 5-30 parts of methyl triacetoxysilane, 20-40 parts of white oil, 5-25 parts of anti-wear agent, 5-15 parts of stabilizer by weight.Good with wear-resisting property, color stability, and good mechanical performance, good light stability, surface smoothness is high, and the plasticity, melt flowability when melting are good, and viscosity is low, is conducive to production.
Description
Technical field
The invention belongs to technical field of polymer materials, especially wear resistant polyethylene plastics and preparation method.
Background technique
Wear resistant polyethylene has the characteristics that scratch-resistant, ageing-resistant, high-low temperature resistant, rub resistance.Be mainly used in conveyer belt, from
Dynamicization equipment, conveyer guardrail, such as big C guardrail, parallel pads rail, rounded cap guardrail, flat-top guardrail, small C guardrail, plane filler strip, K-type
Item is served as a contrast, Z-type serves as a contrast item etc., has the function of reducing coefficient of friction.
It prepares wear resistant polyethylene plastics needs and various auxiliary materials is added in polyethylene to significantly improve wear-resisting property.But some
Auxiliary material interferes with each other, and also has various deficiencies while playing positive effect.It is therefore desirable to study a kind of wear resistant polyethylene modeling
Material and preparation method.
Summary of the invention
In order to solve above-mentioned deficiency, the present invention provides wear resistant polyethylene plastics and preparation method, has wear-resisting property good,
Color stability, and good mechanical performance, good light stability, surface smoothness are high.
In order to realize that goal of the invention of the invention, the present invention adopt the following technical scheme that:
A kind of wear resistant polyethylene plastics include following components: 150-350 parts of high density polyethylene (HDPE), ethylene-the third by weight
25-45 parts of olefin(e) acid methacrylate copolymers, 5-20 parts of ethene-vinyl acetate wax, 5-20 parts of nekal, methyl triacetyl oxygen
5-30 parts of base silane, 20-40 parts of white oil, 5-25 parts of anti-wear agent, 5-15 parts of stabilizer.
Further, the anti-wear agent is by weight are as follows: 5-15 parts of Algisium C, trimethyl silicane
3-12 parts of sodium alkoxide；
Further, the stabilizer is by weight: 5~25 parts of dimethylamido sodium, furfuryl thiopropionate 5~30
Part.
A kind of preparation method of above-mentioned wear resistant polyethylene plastics is:
(1) high density polyethylene (HDPE), ethylene-ethyl acrylate copolymer, ethene-vinyl acetate wax, dibutyl naphthalene sulphur are weighed
Sour sodium, methyl triacetoxysilane, white oil, anti-wear agent, add to a three-leaf mixe, at a temperature of mixing condition is 75-95 DEG C
Mixing 0.5-1 hours is uniformly mixed；
(2) it by the product of step 1 in high pressure homogenizer, at 70-90 DEG C, mixes 10 minutes, temperature adjustment adds to 75-85 DEG C
Enter stabilizer homogeneous 10 minutes, carries out deaeration 1-4 hours under vacuum conditions, the raw material mixed；
(3) by the feedstock transportation mixed, into plastic extruder, extruding pelletization, control screw speed are 170-320r/
min；Temperature is 160-250 DEG C, obtains wear resistant polyethylene plastics of the invention.
Methyl triacetoxysilane can get up polyethylene and the coupling of auxiliary material interface, to improve the property of material
It can and increase bond strength.Inventor has found that the coupling effect of methyl triacetoxysilane can be enhanced in nekal
Fruit, but its coupling effect is unstable, viscosity is very big when will lead to melting when it is shared, and melt flow rate (MFR) significantly drops
Low, lane shear rate is also extremely low, therefore, it is difficult to be processed and guaranteed the performance of material, it is therefore desirable to continue to study.
Inventor has found that pass through at the same Algisium C is added, trimethyl silicane sodium alkoxide can be to high density
Polyethylene, ethylene-ethyl acrylate copolymer are modified, while stablizing nekal and methyl triacetoxyl group silicon
Thermally sensitive coupling effect when alkane shares, the two mutually play synergistic effect, improve plasticity when composition melting
And viscosity and melt flowability improve speed of production to reduce the difficulty of processing, can not only improve material and add
Work mechanical strength performance after molding, and since coupling effect is stablized, the performance of each component can have been fully played, has had plastics
There is splendid wear-resisting property to have both the effect of corrosion resistance.And if being only individually added into trimethyl silicane sodium alkoxide instead to the whole of material
The improvement of body fluidity of molten is unsatisfactory, moreover, the mechanical strength performance for product also decreases, therefore, the two is necessary
It exists simultaneously, just can guarantee the overall performance of material.
Ageing process is mainly photooxidation resistance and thermo-oxidative ageing, is radical reaction course.The said effect of anti-wear agent is true
The performance of real but resistance to photooxidation resistance is not ideal enough, and generation radical chain reaction is easily led under the conditions of photooxidation.Therefore it develops steady
Agent is determined for terminating radical chain reaction caused by anti-wear agent, and reaction generates unsaturated intermediate as nitrogen oxygen under Photooxidation Conditions
The depots of free radical prevent polyethylene long-chain from being broken.Therefore, vinyon provided by the present application can be resistant to sunlight, purple
Outside line irradiation, is not easy coarse, aging, colour fading, photostability is more preferable.
The utility model has the advantages that 1: the present invention stabilizes nekal and when methyl triacetoxysilane shares to temperature
Sensitive coupling effect makes wear resistant polyethylene have good plasticity, viscosity and fluidity of molten in melting, and when stirring cuts
Shear force is small, is easy to generate processing, extruded velocity is fast, and product surface is smooth.
Color stability.
2: since coupling effect is stablized, the performance of each component can have been fully played, made plastics that there is splendid wearability
It can and have both the effect of corrosion resistance.
3: sunlight, ultraviolet light irradiation can be resistant to, be not easy coarse, aging, colour fading, photostability is more preferable.
4: anti-wear agent keeps the extrusion performance of vinyon more preferable, and product surface is not likely to produce cold spot, the line that becomes, crazing, gas
Phenomena such as steeping flow liner or rough surface.
Specific embodiment
Technical solution of the present invention is described in further detail combined with specific embodiments below, but the present invention is not limited to following
Embodiment.Unless otherwise indicated, various components used in the present invention are this field current material, can be purchased by commercial channel
It buys acquisition or is made by existing method.
Embodiment 1
A kind of wear resistant polyethylene plastics include following components: 160 parts of high density polyethylene (HDPE), ethylene-acrylic acid by weight
It is 40 parts of methacrylate copolymers, 6 parts of ethene-vinyl acetate wax, 17 parts of nekal, 7 parts of methyl triacetoxysilane, white
Oily 35 parts, 6 parts of anti-wear agent, 13 parts of stabilizer；
Further, the anti-wear agent is by weight are as follows: 6 parts of Algisium C, trimethyl silanol
10 parts of sodium；
Further, the stabilizer is by weight: 8 parts of dimethylamido sodium, 25 parts of furfuryl thiopropionate；
A kind of preparation method of above-mentioned wear resistant polyethylene plastics is:
(1) high density polyethylene (HDPE), ethylene-ethyl acrylate copolymer, ethene-vinyl acetate wax, dibutyl naphthalene sulphur are weighed
Sour sodium, methyl triacetoxysilane, white oil, anti-wear agent, add to a three-leaf mixe, and mixing condition mixes at a temperature of being 78 DEG C
It 0.8 hour, is uniformly mixed；
(2) it by the product of step 1 in high pressure homogenizer, at 75 DEG C, mixes 10 minutes, temperature adjustment is added and stablizes to 75 DEG C
It agent homogeneous 10 minutes, carries out deaeration 1.5 hours under vacuum conditions, the raw material mixed；
(3) by the feedstock transportation mixed, into plastic extruder, extruding pelletization, control screw speed are 190r/min；
Temperature is 180 DEG C, obtains wear resistant polyethylene plastics of the invention.
Embodiment 2
A kind of wear resistant polyethylene plastics include following components: 320 parts of high density polyethylene (HDPE), ethylene-acrylic acid by weight
30 parts of methacrylate copolymers, 18 parts of ethene-vinyl acetate wax, 6 parts of nekal, 25 parts of methyl triacetoxysilane,
22 parts of white oil, 22 parts of anti-wear agent, 7 parts of stabilizer；
Further, the anti-wear agent is by weight are as follows: 13 parts of Algisium C, trimethyl silanol
5 parts of sodium；
Further, the stabilizer is by weight: 19 parts of dimethylamido sodium, 7 parts of furfuryl thiopropionate；
A kind of preparation method of above-mentioned wear resistant polyethylene plastics is:
(1) high density polyethylene (HDPE), ethylene-ethyl acrylate copolymer, ethene-vinyl acetate wax, dibutyl naphthalene sulphur are weighed
Sour sodium, methyl triacetoxysilane, white oil, anti-wear agent, add to a three-leaf mixe, and mixing condition mixes at a temperature of being 92 DEG C
It 1 hour, is uniformly mixed；
(2) it by the product of step 1 in high pressure homogenizer, at 88 DEG C, mixes 10 minutes, temperature adjustment is added and stablizes to 84 DEG C
It agent homogeneous 10 minutes, carries out deaeration 3.5 hours under vacuum conditions, the raw material mixed；
(3) by the feedstock transportation mixed, into plastic extruder, extruding pelletization, control screw speed are 310r/min；
Temperature is 240 DEG C, obtains wear resistant polyethylene plastics of the invention.
Embodiment 3
A kind of wear resistant polyethylene plastics include following components: 250 parts of high density polyethylene (HDPE), ethylene-acrylic acid by weight
30 parts of methacrylate copolymers, 13 parts of ethene-vinyl acetate wax, 12 parts of nekal, 17 parts of methyl triacetoxysilane,
30 parts of white oil, 15 parts of anti-wear agent, 20 parts of stabilizer；
Further, the anti-wear agent is by weight are as follows: 10 parts of Algisium C, trimethyl silanol
8 parts of sodium；
Further, the stabilizer is by weight: 15 parts of dimethylamido sodium, 17 parts of furfuryl thiopropionate；
A kind of preparation method of above-mentioned wear resistant polyethylene plastics is:
(1) high density polyethylene (HDPE), ethylene-ethyl acrylate copolymer, ethene-vinyl acetate wax, dibutyl naphthalene sulphur are weighed
Sour sodium, methyl triacetoxysilane, white oil, anti-wear agent, add to a three-leaf mixe, and mixing condition mixes at a temperature of being 80 DEG C
It 0.7 hour, is uniformly mixed；
(2) it by the product of step 1 in high pressure homogenizer, at 75 DEG C, mixes 10 minutes, temperature adjustment is added and stablizes to 80 DEG C
It agent homogeneous 10 minutes, carries out deaeration 2.5 hours under vacuum conditions, the raw material mixed；
(3) by the feedstock transportation mixed, into plastic extruder, extruding pelletization, control screw speed are 240r/min；
Temperature is 205 DEG C, obtains wear resistant polyethylene plastics of the invention.
Embodiment 4
A kind of wear resistant polyethylene plastics include following components: 300 parts of high density polyethylene (HDPE), ethylene-acrylic acid by weight
40 parts of methacrylate copolymers, 18 parts of ethene-vinyl acetate wax, 15 parts of nekal, 25 parts of methyl triacetoxysilane,
30 parts of white oil, 23 parts of anti-wear agent, 12 parts of stabilizer；
Further, the anti-wear agent is by weight are as follows: 12 parts of Algisium C, trimethyl silanol
7 parts of sodium；
Further, the stabilizer is by weight: 9 parts of dimethylamido sodium, 15 parts of furfuryl thiopropionate；
A kind of preparation method of above-mentioned wear resistant polyethylene plastics is:
(1) high density polyethylene (HDPE), ethylene-ethyl acrylate copolymer, ethene-vinyl acetate wax, dibutyl naphthalene sulphur are weighed
Sour sodium, methyl triacetoxysilane, white oil, anti-wear agent, add to a three-leaf mixe, and mixing condition mixes at a temperature of being 90 DEG C
It 0.5 hour, is uniformly mixed；
(2) it by the product of step 1 in high pressure homogenizer, at 85 DEG C, mixes 10 minutes, temperature adjustment is added and stablizes to 80 DEG C
It agent homogeneous 10 minutes, carries out deaeration 2 hours under vacuum conditions, the raw material mixed；
(3) by the feedstock transportation mixed, into plastic extruder, extruding pelletization, control screw speed are 170-320r/
min；Temperature is 160-250 DEG C, obtains wear resistant polyethylene plastics of the invention.
Comparative example 1: the difference of comparative example 1 and embodiment 3 is without containing Algisium C, remaining
Condition is all the same.
Comparative example 2: the difference of comparative example 2 and embodiment 3 is that, without containing trimethyl silicane sodium alkoxide, remaining condition is homogeneous
Together.
Comparative example 3: the difference of comparative example 3 and embodiment 3 is without containing anti-wear agent provided by the present application, remaining condition
It is all the same.
Comparative test 1: by wear-resistant plastic made from above-described embodiment 1-4 and comparative example 1-3, being molded and template be made, warp
Test properties are as follows:
Table 1
Wearability is worn with volume to be characterized, and is surveyed according to GB/T 3960-2016 plastic slide friction wear test method
Examination；
MI (g/10min), it indicates the grams that the plastics are extruded in 10 minutes.MI is bigger, represents the plastic raw materials
Viscosity is smaller and molecular wt is smaller, on the contrary then represent that the plastic viscosity is bigger and molecular wt is bigger.
In impact strength test: C is that fracture --- sample is divided into the fracture of two sections or multistage completely.
H is hinge break --- it is a kind of incomplete fracture, a part of sample cannot make selve support in level
Position, and another part still keeps vertical (angle is less than 90 ° between two parts).(two sections of rupture test specimen are only by very thin table
Skin links together, and this hinge does not have any residual rigidity.
P is portion fractures --- and a kind of not exclusively fracture, but do not meet hinge fracture definition, but dent wedge angle extremely
Crackle at least 90% between another side.
NB is non-fracture --- it is a kind of not exclusively fracture, does not reach in dent wedge angle to the crack propagation between another side
90%.(only curved, may to there is the generation of stress whitening phenomenon).
Acid dip test, according to CNS10757 (1995) standard test；Oil resisting test is marked according to CNS10757 (1995)
Quasi- measurement.
Anti-wear agent known to comparative example 1-4 and comparative example 1-3 can improve the plasticity and viscosity when composition melting
And melt flowability, the difficulty of processing is reduced, speed of production is improved, the mechanics after can not only improving material machine-shaping is strong
Performance and surface smoothness are spent, and since coupling effect is stablized, the performance of each component can have been fully played, made plastics that there is pole
Good wear-resisting property has both the effect of corrosion resistance.
Comparative experiments 2: ageing properties detection
Comparative example 4: the difference of comparative example 4 and embodiment 3 is that, without containing dimethylamido sodium, remaining condition is homogeneous
Together.
Comparative example 5: the difference of comparative example 5 and embodiment 3 is that, without containing furfuryl thiopropionate, remaining condition is homogeneous
Together.
Comparative example 6: the difference of comparative example 6 and embodiment 3 is without containing stabilizer provided by the present application, remaining condition
It is all the same.
Ageing properties detection is carried out according to the examination criteria of national standard GB/T 3681-2011, testing result is as shown in the table:
Table 2
Comparative example 4-6 wearability after degradation, which largely reduces, illustrates plastic material aging, polyethylene long-chain easy fracture
Cause to fall off.
Embodiment 1-4 and comparative example 4-6 is compared it is found that stabilizer can prevent anti-wear agent from causing to occur under the conditions of photooxidation
Radical chain reaction, so that polyethylene long-chain be prevented to be broken.Therefore, vinyon provided by the present application can be resistant to sunlight,
Ultraviolet light irradiation, is not easy coarse, aging, colour fading, photostability is more preferable, and mechanical property is more stable.
The above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
Limitation of the invention, protection scope of the present invention should be defined by the scope defined by the claims..For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, several improvements and modifications can also be made, these change
It also should be regarded as protection scope of the present invention into retouching.
Claims (10)
1. a kind of wear resistant polyethylene plastics, it is characterised in that by weight include following components: high density polyethylene (HDPE) 150-350
Part, 25-45 parts of ethylene-ethyl acrylate copolymer, 5-20 parts of ethene-vinyl acetate wax, 5-20 parts of nekal, first
5-30 parts of base triacetoxysilane, 20-40 parts of white oil, 5-25 parts of anti-wear agent, 5-15 parts of stabilizer.
2. a kind of wear resistant polyethylene plastics according to claim 1, it is characterized in that the anti-wear agent is by weight are as follows: first
5-15 parts, 3-12 parts of trimethyl silicane sodium alkoxide of base silane alcohol mannuronic acid ester.
3. according to claim 1, a kind of wear resistant polyethylene plastics described in 2, it is characterized in that the stabilizer is by weight: two
5~25 parts of formamido group sodium, 5~30 parts of furfuryl thiopropionate.
4. a kind of wear resistant polyethylene plastics according to claim 1 to 3, it is characterized in that by weight including following components: high
150-350 parts of density polyethylene, 25-45 parts of ethylene-ethyl acrylate copolymer, 5-20 parts of ethene-vinyl acetate wax, dibutyl
5-20 parts of sodium naphthalene sulfonate, 5-30 parts of methyl triacetoxysilane, 20-40 parts of white oil, 5-25 parts of anti-wear agent, stabilizer 5-15
Part；
The anti-wear agent is by weight are as follows: 5-15 parts of Algisium C, 3-12 parts of trimethyl silicane sodium alkoxide.
5. a kind of wear resistant polyethylene plastics according to claim 1 to 3, it is characterized in that by weight including following components: high
150-350 parts of density polyethylene, 25-45 parts of ethylene-ethyl acrylate copolymer, 5-20 parts of ethene-vinyl acetate wax, dibutyl
5-20 parts of sodium naphthalene sulfonate, 5-30 parts of methyl triacetoxysilane, 20-40 parts of white oil, 5-25 parts of anti-wear agent, stabilizer 5-15
Part；
The stabilizer is by weight: 5~25 parts of dimethylamido sodium, 5~30 parts of furfuryl thiopropionate.
6. a kind of wear resistant polyethylene plastics described in -4 according to claim 1, it is characterized in that being by weight following components: highly dense
Spend polyethylene 150-350 parts, 25-45 parts of ethylene-ethyl acrylate copolymer, 5-20 parts of ethene-vinyl acetate wax, dibutyl naphthalene
5-20 parts of sodium sulfonate, 5-30 parts of methyl triacetoxysilane, 20-40 parts of white oil, 5-25 parts of anti-wear agent, 5-15 parts of stabilizer；
The anti-wear agent is by weight are as follows: 5-15 parts of Algisium C, 3-12 parts of trimethyl silicane sodium alkoxide；
The stabilizer is by weight: 5~25 parts of dimethylamido sodium, 5~30 parts of furfuryl thiopropionate.
7. a kind of preparation method of wear resistant polyethylene plastics described in -6 according to claim 1, characterized in that
(1) weigh high density polyethylene (HDPE), ethylene-ethyl acrylate copolymer, ethene-vinyl acetate wax, nekal,
Methyl triacetoxysilane, white oil, anti-wear agent, add to a three-leaf mixe, and mixing condition mixes at a temperature of being 75-95 DEG C
It 0.5-1 hours, is uniformly mixed；
(2) it by the product of step 1 in high pressure homogenizer, at 70-90 DEG C, mixes 10 minutes, temperature adjustment is added steady to 75-85 DEG C
Determine agent homogeneous 10 minutes, carries out deaeration 1-4 hours under vacuum conditions, the raw material mixed；
(3) by the feedstock transportation mixed, into plastic extruder, extruding pelletization, control screw speed are 170-320r/min；
Temperature is 160-250 DEG C, obtains wear resistant polyethylene plastics of the invention.
8. a kind of wear resistant polyethylene plastics described in -7 according to claim 1, it is characterized in that: being by weight following components: high
150-350 parts of density polyethylene, 25-45 parts of ethylene-ethyl acrylate copolymer, 5-20 parts of ethene-vinyl acetate wax, dibutyl
5-20 parts of sodium naphthalene sulfonate, 5-30 parts of methyl triacetoxysilane, 20-40 parts of white oil, 5-25 parts of anti-wear agent, stabilizer 5-15
Part；
The anti-wear agent is by weight are as follows: 5-15 parts of Algisium C, 3-12 parts of trimethyl silicane sodium alkoxide；
The stabilizer is by weight: 5~25 parts of dimethylamido sodium, 5~30 parts of furfuryl thiopropionate；
Preparation method is that (1) weighs high density polyethylene (HDPE), ethylene-ethyl acrylate copolymer, ethene-vinyl acetate wax, two fourths
Base sodium naphthalene sulfonate, methyl triacetoxysilane, white oil, anti-wear agent, add to a three-leaf mixe, and mixing condition is 75-95 DEG C
At a temperature of mix 0.5-1 hours, be uniformly mixed；
(2) it by the product of step 1 in high pressure homogenizer, at 70-90 DEG C, mixes 10 minutes, temperature adjustment is added steady to 75-85 DEG C
Determine agent homogeneous 10 minutes, carries out deaeration 1-4 hours under vacuum conditions, the raw material mixed；
(3) by the feedstock transportation mixed, into plastic extruder, extruding pelletization, control screw speed are 170-320r/min；
Temperature is 160-250 DEG C, obtains wear resistant polyethylene plastics of the invention.
9. a kind of wear resistant polyethylene plastics described in -8 according to claim 1, it is characterized in that: being by weight following components: high
160 parts of density polyethylene, 40 parts of ethylene-ethyl acrylate copolymer, 6 parts of ethene-vinyl acetate wax, nekal 17
Part, 7 parts of methyl triacetoxysilane, 35 parts of white oil, 6 parts of anti-wear agent, 13 parts of stabilizer；
Further, the anti-wear agent is by weight are as follows: 6 parts of Algisium C, trimethyl silicane sodium alkoxide 10
Part；
Further, the stabilizer is by weight: 8 parts of dimethylamido sodium, 25 parts of furfuryl thiopropionate；
A kind of preparation method of above-mentioned wear resistant polyethylene plastics is:
(1) weigh high density polyethylene (HDPE), ethylene-ethyl acrylate copolymer, ethene-vinyl acetate wax, nekal,
Methyl triacetoxysilane, white oil, anti-wear agent, add to a three-leaf mixe, and mixing 0.8 is small at a temperature of mixing condition is 78 DEG C
When, it is uniformly mixed；
(2) it by the product of step 1 in high pressure homogenizer, at 75 DEG C, mixes 10 minutes, it is equal that stabilizer is added to 75 DEG C in temperature adjustment
It matter 10 minutes, carries out deaeration 1.5 hours under vacuum conditions, the raw material mixed；
(3) by the feedstock transportation mixed, into plastic extruder, extruding pelletization, control screw speed are 190r/min；Temperature
It is 180 DEG C, obtains wear resistant polyethylene plastics of the invention.
10. a kind of wear resistant polyethylene plastics described in -8 according to claim 1, it is characterized in that: by weight including following components:
320 parts of high density polyethylene (HDPE), 30 parts of ethylene-ethyl acrylate copolymer, 18 parts of ethene-vinyl acetate wax, dibutyl naphthalenesulfonic acid
6 parts of sodium, 25 parts of methyl triacetoxysilane, 22 parts of white oil, 22 parts of anti-wear agent, 7 parts of stabilizer；
Further, the anti-wear agent is by weight are as follows: 13 parts of Algisium C, trimethyl silicane sodium alkoxide 5
Part；
Further, the stabilizer is by weight: 19 parts of dimethylamido sodium, 7 parts of furfuryl thiopropionate；
A kind of preparation method of above-mentioned wear resistant polyethylene plastics is:
(1) weigh high density polyethylene (HDPE), ethylene-ethyl acrylate copolymer, ethene-vinyl acetate wax, nekal,
Methyl triacetoxysilane, white oil, anti-wear agent, add to a three-leaf mixe, and mixing 1 is small at a temperature of mixing condition is 92 DEG C
When, it is uniformly mixed；
(2) it by the product of step 1 in high pressure homogenizer, at 88 DEG C, mixes 10 minutes, it is equal that stabilizer is added to 84 DEG C in temperature adjustment
It matter 10 minutes, carries out deaeration 3.5 hours under vacuum conditions, the raw material mixed；
(3) by the feedstock transportation mixed, into plastic extruder, extruding pelletization, control screw speed are 310r/min；Temperature
It is 240 DEG C, obtains wear resistant polyethylene plastics of the invention.
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