CN108997638A - A kind of production method for the PE plastics that safety is good - Google Patents
A kind of production method for the PE plastics that safety is good Download PDFInfo
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- CN108997638A CN108997638A CN201811075662.XA CN201811075662A CN108997638A CN 108997638 A CN108997638 A CN 108997638A CN 201811075662 A CN201811075662 A CN 201811075662A CN 108997638 A CN108997638 A CN 108997638A
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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
- C08L2201/00—Properties
- C08L2201/04—Antistatic
Abstract
The invention discloses a kind of production method of the good PE plastics of safety, include the following steps: that the preparation of (1) Aided Modification material, (2) raw material weigh spare, (3) finished plastic preparation.The present invention provides a kind of production method of PE plastics, simple process, each step collocation is reasonable, easy to promote and utilize, PE plastics good mechanical performance obtained, antistatic effect is strong, it is highly-safe using stay in grade, the great market competitiveness and processing benefit.
Description
Technical field
The invention belongs to plastic processing processing technology fields, and in particular to a kind of producer for the PE plastics that safety is good
Method.
Background technique
Plastics are the widely used high molecular synthetic materials of modern society, it have very high surface resistivity (25 DEG C,
RH60%, resistivity 1017Ω).Thus, once be charged by friction, electrostatic not easily passs through conductive remove and is trapped in frosting.
Due to the presence of electrostatic, not only influence the beauty (dust suction etc.) of plastic products, more important is the manufacture for influencing plastic products and
It uses.
PE plastics are biggish one kind of dosage in existing plastics, equally exist the common use problem of above-mentioned plastics,
To affect safety and service life, in order to improve the use quality of this plastics, it is added to a large amount of antistatic auxiliary thereto
Ingredient, although improving its antistatic property to a certain extent, remaining performance improvement it is relatively limited, also need further synthesis
It is promoted.
Summary of the invention
The purpose of the present invention is being directed to existing problem, a kind of production method of PE plastics that safety is good is provided.
The present invention is achieved by the following technical solutions:
A kind of production method for the PE plastics that safety is good, includes the following steps:
(1) prepared by Aided Modification material:
A. first by diatomite be immersed in mass fraction be 3 ~ 5% hydrochloric acid solution in, taken out after 1 ~ 2min of immersion treatment, spend from
Drying for standby after sub- water rinses one time；
B. diatomite is put into and carries out ball-milling treatment in ball mill, taken out after the completion spare after 2800 meshes；
C. it the resulting diatomite of b will be operated is put into calcining furnace and carry out calcination processing, the temperature for controlling calcining is 700 ~ 720
DEG C, it is taken out after 50 ~ 55min spare；
D. by polyisobutene and operation c, treated that diatomite is put into incinerator jointly, keeps oxygen in incinerator sufficient,
Be heated to 980 ~ 1020 DEG C, taken out after full combustion mixture I is spare；
E. butyl titanate, rare earth, toluene are corresponded to mix according to 3 ~ 4:1 of weight ratio ~ 3:26 ~ 28 and puts into reaction kettle
It is interior, it is then passed through argon gas into reaction kettle, cooling treatment then is carried out to reaction kettle with refrigerant, at a temperature of in reaction kettle
When being down to -75 ~ -80 DEG C, it is passed through acetylene into reaction kettle, and mixture I made from operation d is added, it will be anti-after 5 ~ 7min of processing
Answer the substance in kettle take out mixture II is spare；
F. mixture II made from operation e is carried out after being alternately repeated cleaning 4 ~ 6 times with pentane and deionized water, then put it into
Be dried in drying box, taken out after 2 ~ 3h mixture III is spare；A strata has been wrapped on the surface of mixture I
Acetylene facilitates its compatible associativity between subsequent polyether ester amides；
G. caprolactam, binary acid, deionized water are corresponded to mix according to 110 ~ 120:13 of weight ratio ~ 17:3 ~ 5 and is put into
In reaction kettle, it is then passed through nitrogen into reaction kettle, keeping the pressure in reaction kettle is 0.48 ~ 0.52MPa, while by reaction kettle
Interior temperature heating remains 265 ~ 270 DEG C, be stirred continuously after 1.5 ~ 2.5h of processing mixture IV is spare；
H. the polyethers of IV gross mass 66 ~ 69% of mixture, 0.3 ~ 0.6% rare earth nitre are added into operation g treated reaction kettle
Hydrochlorate, 12 ~ 14% operation f made from mixture III, be passed through nitrogen into reaction kettle again, keep the pressure in reaction kettle to be
0.5 ~ 0.54MPa, while the temperature heating in reaction kettle is remained 293 ~ 298 DEG C, after being stirred continuously 3 ~ 4h of processing, it will react
Kettle is unloaded to normal temperature and pressure, finally take out be put into drying in oven handle after 4 ~ 6h Aided Modification material is spare；
(2) raw material weigh spare:
It is spare to weigh following raw materials by corresponding parts by weight: 100 ~ 120 parts of PE plastics, 12 ~ 16 parts of fillers, 2 ~ 5 portions of reinforcing agents,
Aided Modification material made from 5 ~ 8 parts of steps (1), 0.5 ~ 1 part of ultraviolet absorbing agent, 3 ~ 6 parts of dispersing agents；
(3) prepared by finished plastic:
A. step (2) weighed all raw material is put into jointly and carries out premix processing in kneading machine, taken out after 15 ~ 20min
It is spare to obtain premix；
B. it the resulting premix of a will be operated puts into and carry out melting extrusion in extruder, steady magnetic field is during which continuously applied, to material
Material gets product plastics through cooling again after squeezing out.
Further, the weight of polyisobutene described in step (1) operation d and operation c treated diatomite investment
Than for 2:1.
Further, rare earth described in step (1) operation e is light rare earth.
Further, I additional amount of mixture made from operation d described in step (1) operation e is the 10 of toluene gross mass
~14%。
Further, temperature when drying process described in step (1) operation f in control drying box is 88 ~ 92 DEG C.
Further, it is any in cerous nitrate, ytterbium nitrate, yttrium nitrate that step (1), which operates rare earth nitrades described in h,
It is a kind of.
Further, temperature when drying and processing described in step (1) operation h in control baking oven is 95 ~ 100 DEG C.
Further, filler described in step (2) is calcium carbonate, and the reinforcing agent is flyash, the purple
Ultraviolet absorbers are Ultraviolet Absorber UV-P, and the dispersing agent is triethyl group hexyl phosphoric acid.
Further, temperature when premixing processing described in step (3) operation a in control kneading machine is 80 ~ 90 DEG C, is mixed
The revolving speed of conjunction is 1500 ~ 1800 revs/min.
Further, the magnetic field strength of steady magnetic field described in step (3) operation b is 6 ~ 8T, and the extruder squeezes
Temperature out is 195 ~ 200 DEG C.
The present invention has carried out special improvement to the preparation method of PE plastics and has handled, and effectively improves its synthesis and uses product
Matter.It is wherein especially added to a kind of Aided Modification material ingredient, being that substance is processing modified based on diatomite forms, first to silicon
Diatomaceous earth has carried out acidleach processing, eliminates impurity component, improves specific surface area, has then carried out calcination processing again, further
Its absorption and respond are improved, it is abundant in oxygen then by polyisobutene and treated diatomite mixing high temperature incineration
Under conditions of, polyisobutene is sufficiently burned as carbon source, and diatomite has formed it into a large amount of further to its combustion catalysis
Fine grained graphite alkene ingredient, the fine grained graphite alkene insertion grafting generated in such circumstances are fixed on the ectonexine of diatomite,
A kind of I ingredient of mixture combined with the insertion of fine grained graphite alkene is formd, subsequent preparation, the master of mixture II have then been carried out
Reaction preparation is a kind of polyetheresteramide block's copolymer, is added mixture I in its reaction process, with polyethers
Ester bond cooperation in esteramides block copolymer enhances the qualities such as heatproof, the intensity of copolymer entirety jointly, also improves whole
The conductive anti-static ability of body；Finally manufactured mixture III is added and is compounded with the polyether ester amides of subsequent preparation, is formd
Composite modified polyether ester amides Aided Modification material, this Aided Modification material have very strong antistatic using effect.Later by this
Aided Modification material makes an addition in the preparation of PE plastics, is applied with steady magnetic field processing again in the preparation, under the influence of a magnetic field, auxiliary
Helping modified materials uniformly is in dendritic dispersed filler in the surface and inside of PE plastics, has been obviously improved the leakage of surface electrostatic lotus,
Also enhance whole mechanical property.
The present invention has the advantage that compared with prior art
The present invention provides a kind of production method of PE plastics, simple process, each step collocation is rationally, easy to promote and utilize,
PE plastics good mechanical performance obtained, antistatic effect is strong, highly-safe using stay in grade, the great market competitiveness and
Process benefit.
Specific embodiment
Embodiment 1
A kind of production method for the PE plastics that safety is good, includes the following steps:
(1) prepared by Aided Modification material:
A. first diatomite is immersed in the hydrochloric acid solution that mass fraction is 3%, is taken out after immersion treatment 1min, uses deionized water
Drying for standby after rinsing one time；
B. diatomite is put into and carries out ball-milling treatment in ball mill, taken out after the completion spare after 2800 meshes；
C. it the resulting diatomite of b will be operated being put into calcining furnace and carry out calcination processing, the temperature for controlling calcining is 700 DEG C,
It is taken out after 50min spare；
D. by polyisobutene and operation c, treated that diatomite is put into incinerator jointly, keeps oxygen in incinerator sufficient,
Be heated to 980 DEG C, taken out after full combustion mixture I is spare；
E. carry out butyl titanate, rare earth, toluene are corresponding mixing according to weight ratio 3:1:26 and put into reaction kettle, then to
It is passed through argon gas in reaction kettle, cooling treatment then is carried out to reaction kettle with refrigerant, drops to -75 DEG C to the temperature in reaction kettle
When, it is passed through acetylene into reaction kettle, and mixture I made from operation d is added, takes out the substance in reaction kettle after handling 5min
It is spare to obtain mixture II；
F. mixture II made from operation e is carried out after being alternately repeated cleaning 4 times with pentane and deionized water, then put it into
Be dried in drying box, taken out after 2h mixture III is spare；
G. caprolactam, binary acid, deionized water are corresponded to mix according to weight ratio 110:13:3 and are put into reaction kettle,
Then nitrogen is passed through into reaction kettle, keeping the pressure in reaction kettle is 0.48MPa, while the temperature in reaction kettle being heated and is protected
Holding is 265 DEG C, be stirred continuously processing 1.5h after mixture IV it is spare；
H. the polyethers of IV gross mass 66% of mixture, 0.3% rare earth nitrades, 12% are added into operation g treated reaction kettle
Operation f made from mixture III, be passed through nitrogen into reaction kettle again, keeping the pressure in reaction kettle is 0.5MPa, simultaneously
Temperature heating in reaction kettle is remained 293 DEG C, after being stirred continuously processing 3h, reaction kettle is unloaded to normal temperature and pressure, is finally taken
Be put into out drying in oven processing 4h after Aided Modification material it is spare；
(2) raw material weigh spare:
It is spare that following raw materials are weighed by corresponding parts by weight: 100 parts of PE plastics, 12 parts of fillers, 2 portions of reinforcing agents, 5 parts of steps
(1) Aided Modification material made from, 0.5 part of ultraviolet absorbing agent, 3 parts of dispersing agents；
(3) prepared by finished plastic:
A. step (2) weighed all raw material is put into jointly and carries out premix processing in kneading machine, take out pre- after 15min
Mixing is spare；
B. it the resulting premix of a will be operated puts into and carry out melting extrusion in extruder, steady magnetic field is during which continuously applied, to material
Material gets product plastics through cooling again after squeezing out.
Further, the weight of polyisobutene described in step (1) operation d and operation c treated diatomite investment
Than for 2:1.
Further, rare earth described in step (1) operation e is light rare earth.
Further, I additional amount of mixture made from operation d described in step (1) operation e is toluene gross mass
10%。
Further, temperature when drying process described in step (1) operation f in control drying box is 88 DEG C.
Further, rare earth nitrades described in step (1) operation h are cerous nitrate.
Further, temperature when drying and processing described in step (1) operation h in control baking oven is 95 DEG C.
Further, filler described in step (2) is calcium carbonate, and the reinforcing agent is flyash, the purple
Ultraviolet absorbers are Ultraviolet Absorber UV-P, and the dispersing agent is triethyl group hexyl phosphoric acid.
Further, temperature when premixing processing described in step (3) operation a in control kneading machine is 80 DEG C, mixing
Revolving speed be 1500 revs/min.
Further, the magnetic field strength of steady magnetic field described in step (3) operation b is 6T, and the extruder squeezes out
Temperature be 195 DEG C.
Embodiment 2
A kind of production method for the PE plastics that safety is good, includes the following steps:
(1) prepared by Aided Modification material:
A. first diatomite is immersed in the hydrochloric acid solution that mass fraction is 4%, is taken out after immersion treatment 1.5min, uses deionization
Drying for standby after water rinses one time；
B. diatomite is put into and carries out ball-milling treatment in ball mill, taken out after the completion spare after 2800 meshes；
C. it the resulting diatomite of b will be operated being put into calcining furnace and carry out calcination processing, the temperature for controlling calcining is 710 DEG C,
It is taken out after 53min spare；
D. by polyisobutene and operation c, treated that diatomite is put into incinerator jointly, keeps oxygen in incinerator sufficient,
Be heated to 990 DEG C, taken out after full combustion mixture I is spare；
E. butyl titanate, rare earth, toluene are corresponded to mix according to weight ratio 3.6:2:27 and is put into reaction kettle, then
It is passed through argon gas into reaction kettle, cooling treatment then is carried out to reaction kettle with refrigerant, drops to -78 to the temperature in reaction kettle
DEG C when, acetylene is passed through into reaction kettle, and be added operation d made from mixture I, handle 6min after the substance in reaction kettle is taken
Go out mixture II is spare；
F. mixture II made from operation e is carried out after being alternately repeated cleaning 5 times with pentane and deionized water, then put it into
Be dried in drying box, taken out after 2.5h mixture III is spare；
G. caprolactam, binary acid, deionized water are corresponded to mix according to weight ratio 115:16:4 and are put into reaction kettle,
Then nitrogen is passed through into reaction kettle, keeping the pressure in reaction kettle is 0.5MPa, while the temperature in reaction kettle being heated and is protected
Holding is 268 DEG C, be stirred continuously processing 2h after mixture IV it is spare；
H. the polyethers of IV gross mass 68% of mixture, 0.5% rare earth nitrades, 13% are added into operation g treated reaction kettle
Operation f made from mixture III, be passed through nitrogen into reaction kettle again, keeping the pressure in reaction kettle is 0.52MPa, simultaneously
Temperature heating in reaction kettle is remained 296 DEG C, after being stirred continuously processing 3.5h, reaction kettle is unloaded to normal temperature and pressure, finally
Taking-up be put into drying in oven processing 5h after Aided Modification material it is spare；
(2) raw material weigh spare:
It is spare that following raw materials are weighed by corresponding parts by weight: 110 parts of PE plastics, 14 parts of fillers, 4 portions of reinforcing agents, 7 parts of steps
(1) Aided Modification material made from, 0.8 part of ultraviolet absorbing agent, 5 parts of dispersing agents；
(3) prepared by finished plastic:
A. step (2) weighed all raw material is put into jointly and carries out premix processing in kneading machine, take out pre- after 18min
Mixing is spare；
B. it the resulting premix of a will be operated puts into and carry out melting extrusion in extruder, steady magnetic field is during which continuously applied, to material
Material gets product plastics through cooling again after squeezing out.
Further, the weight of polyisobutene described in step (1) operation d and operation c treated diatomite investment
Than for 2:1.
Further, rare earth described in step (1) operation e is light rare earth.
Further, I additional amount of mixture made from operation d described in step (1) operation e is toluene gross mass
12%。
Further, temperature when drying process described in step (1) operation f in control drying box is 90 DEG C.
Further, rare earth nitrades described in step (1) operation h are ytterbium nitrate.
Further, temperature when drying and processing described in step (1) operation h in control baking oven is 98 DEG C.
Further, filler described in step (2) is calcium carbonate, and the reinforcing agent is flyash, the purple
Ultraviolet absorbers are Ultraviolet Absorber UV-P, and the dispersing agent is triethyl group hexyl phosphoric acid.
Further, temperature when premixing processing described in step (3) operation a in control kneading machine is 85 DEG C, mixing
Revolving speed be 1700 revs/min.
Further, the magnetic field strength of steady magnetic field described in step (3) operation b is 7T, and the extruder squeezes out
Temperature be 198 DEG C.
Embodiment 3
A kind of production method for the PE plastics that safety is good, includes the following steps:
(1) prepared by Aided Modification material:
A. first diatomite is immersed in the hydrochloric acid solution that mass fraction is 5%, is taken out after immersion treatment 2min, uses deionized water
Drying for standby after rinsing one time；
B. diatomite is put into and carries out ball-milling treatment in ball mill, taken out after the completion spare after 2800 meshes；
C. it the resulting diatomite of b will be operated being put into calcining furnace and carry out calcination processing, the temperature for controlling calcining is 720 DEG C,
It is taken out after 55min spare；
D. by polyisobutene and operation c, treated that diatomite is put into incinerator jointly, keeps oxygen in incinerator sufficient,
Be heated to 1020 DEG C, taken out after full combustion mixture I is spare；
E. carry out butyl titanate, rare earth, toluene are corresponding mixing according to weight ratio 4:3:28 and put into reaction kettle, then to
It is passed through argon gas in reaction kettle, cooling treatment then is carried out to reaction kettle with refrigerant, drops to -80 DEG C to the temperature in reaction kettle
When, it is passed through acetylene into reaction kettle, and mixture I made from operation d is added, takes out the substance in reaction kettle after handling 7min
It is spare to obtain mixture II；
F. mixture II made from operation e is carried out after being alternately repeated cleaning 6 times with pentane and deionized water, then put it into
Be dried in drying box, taken out after 3h mixture III is spare；
G. caprolactam, binary acid, deionized water are corresponded to mix according to weight ratio 120:17:5 and are put into reaction kettle,
Then nitrogen is passed through into reaction kettle, keeping the pressure in reaction kettle is 0.52MPa, while the temperature in reaction kettle being heated and is protected
Holding is 270 DEG C, be stirred continuously processing 2.5h after mixture IV it is spare；
H. the polyethers of IV gross mass 69% of mixture, 0.6% rare earth nitrades, 14% are added into operation g treated reaction kettle
Operation f made from mixture III, be passed through nitrogen into reaction kettle again, keeping the pressure in reaction kettle is 0.54MPa, simultaneously
Temperature heating in reaction kettle is remained 298 DEG C, after being stirred continuously processing 4h, reaction kettle is unloaded to normal temperature and pressure, is finally taken
Be put into out drying in oven processing 6h after Aided Modification material it is spare；
(2) raw material weigh spare:
It is spare that following raw materials are weighed by corresponding parts by weight: 120 parts of PE plastics, 16 parts of fillers, 5 portions of reinforcing agents, 8 parts of steps
(1) Aided Modification material made from, 1 part of ultraviolet absorbing agent, 6 parts of dispersing agents；
(3) prepared by finished plastic:
A. step (2) weighed all raw material is put into jointly and carries out premix processing in kneading machine, take out pre- after 20min
Mixing is spare；
B. it the resulting premix of a will be operated puts into and carry out melting extrusion in extruder, steady magnetic field is during which continuously applied, to material
Material gets product plastics through cooling again after squeezing out.
Further, the weight of polyisobutene described in step (1) operation d and operation c treated diatomite investment
Than for 2:1.
Further, rare earth described in step (1) operation e is light rare earth.
Further, I additional amount of mixture made from operation d described in step (1) operation e is toluene gross mass
14%。
Further, temperature when drying process described in step (1) operation f in control drying box is 92 DEG C.
Further, rare earth nitrades described in step (1) operation h are yttrium nitrate.
Further, temperature when drying and processing described in step (1) operation h in control baking oven is 100 DEG C.
Further, filler described in step (2) is calcium carbonate, and the reinforcing agent is flyash, the purple
Ultraviolet absorbers are Ultraviolet Absorber UV-P, and the dispersing agent is triethyl group hexyl phosphoric acid.
Further, temperature when premixing processing described in step (3) operation a in control kneading machine is 90 DEG C, mixing
Revolving speed be 1800 revs/min.
Further, the magnetic field strength of steady magnetic field described in step (3) operation b is 8T, and the extruder squeezes out
Temperature be 200 DEG C.
Comparative example 1
This comparative example 1 compared with Example 2, in the preparation of step (1) Aided Modification material, eliminates the processing of operation d, removes
Furthermore method and step is all the same.
Comparative example 2
This comparative example 2 compared with Example 2, in the preparation of step (1) Aided Modification material, eliminates the place of operation e and f
Reason, replaces subsequent mixture III with mixture I, method and step in addition to this is all the same.
Comparative example 3
Compared with Example 2, in step (2), raw material weigh in spare this comparative example 3, with etc. mass parts polyether ester acyl
Aided Modification material ingredient, method and step in addition to this made from amine step of replacing (1) are all the same.
Comparative example 4
Compared with Example 2, in step (2), raw material weigh in spare this comparative example 4, and it is obtained to eliminate step (1)
Aided Modification material ingredient, method and step in addition to this are all the same.
In order to compare effect of the present invention, to above-described embodiment 2, comparative example 1, comparative example 2, comparative example 3,
The corresponding PE plastics obtained of comparative example 4 are tested for the property, and specific correlation data is as shown in table 1 below:
Table 1
Note: surface resistivity described in upper table 1 is tested referring to the standard of ASTM D257, and the temperature of experiment is 25 DEG C, phase
To humidity RH60%；The tensile strength is tested referring to GB/T 1040；The Izod notched impact strength reference
GB/T 1843 is tested.
The antistatic of PE plastics, mechanical quality made from the method for the present invention it can be seen from upper table 1 etc. is obviously improved, and is made
With highly-safe, the service life is long, the great market competitiveness.
Claims (10)
1. a kind of production method of the good PE plastics of safety, which comprises the steps of:
(1) prepared by Aided Modification material:
A. first by diatomite be immersed in mass fraction be 3 ~ 5% hydrochloric acid solution in, taken out after 1 ~ 2min of immersion treatment, spend from
Drying for standby after sub- water rinses one time；
B. diatomite is put into and carries out ball-milling treatment in ball mill, taken out after the completion spare after 2800 meshes；
C. it the resulting diatomite of b will be operated is put into calcining furnace and carry out calcination processing, the temperature for controlling calcining is 700 ~ 720
DEG C, it is taken out after 50 ~ 55min spare；
D. by polyisobutene and operation c, treated that diatomite is put into incinerator jointly, keeps oxygen in incinerator sufficient,
Be heated to 980 ~ 1020 DEG C, taken out after full combustion mixture I is spare；
E. butyl titanate, rare earth, toluene are corresponded to mix according to 3 ~ 4:1 of weight ratio ~ 3:26 ~ 28 and puts into reaction kettle
It is interior, it is then passed through argon gas into reaction kettle, cooling treatment then is carried out to reaction kettle with refrigerant, at a temperature of in reaction kettle
When being down to -75 ~ -80 DEG C, it is passed through acetylene into reaction kettle, and mixture I made from operation d is added, it will be anti-after 5 ~ 7min of processing
Answer the substance in kettle take out mixture II is spare；
F. mixture II made from operation e is carried out after being alternately repeated cleaning 4 ~ 6 times with pentane and deionized water, then put it into
Be dried in drying box, taken out after 2 ~ 3h mixture III is spare；
G. caprolactam, binary acid, deionized water are corresponded to mix according to 110 ~ 120:13 of weight ratio ~ 17:3 ~ 5 and is put into
In reaction kettle, it is then passed through nitrogen into reaction kettle, keeping the pressure in reaction kettle is 0.48 ~ 0.52MPa, while by reaction kettle
Interior temperature heating remains 265 ~ 270 DEG C, be stirred continuously after 1.5 ~ 2.5h of processing mixture IV is spare；
H. the polyethers of IV gross mass 66 ~ 69% of mixture, 0.3 ~ 0.6% rare earth nitre are added into operation g treated reaction kettle
Hydrochlorate, 12 ~ 14% operation f made from mixture III, be passed through nitrogen into reaction kettle again, keep the pressure in reaction kettle to be
0.5 ~ 0.54MPa, while the temperature heating in reaction kettle is remained 293 ~ 298 DEG C, after being stirred continuously 3 ~ 4h of processing, it will react
Kettle is unloaded to normal temperature and pressure, finally take out be put into drying in oven handle after 4 ~ 6h Aided Modification material is spare；
(2) raw material weigh spare:
It is spare to weigh following raw materials by corresponding parts by weight: 100 ~ 120 parts of PE plastics, 12 ~ 16 parts of fillers, 2 ~ 5 portions of reinforcing agents,
Aided Modification material made from 5 ~ 8 parts of steps (1), 0.5 ~ 1 part of ultraviolet absorbing agent, 3 ~ 6 parts of dispersing agents；
(3) prepared by finished plastic:
A. step (2) weighed all raw material is put into jointly and carries out premix processing in kneading machine, taken out after 15 ~ 20min
It is spare to obtain premix；
B. it the resulting premix of a will be operated puts into and carry out melting extrusion in extruder, steady magnetic field is during which continuously applied, to material
Material gets product plastics through cooling again after squeezing out.
2. a kind of production method of the good PE plastics of safety according to claim 1, which is characterized in that step (1) behaviour
The weight ratio made polyisobutene described in d and operate c treated diatomite investment is 2:1.
3. a kind of production method of the good PE plastics of safety according to claim 1, which is characterized in that step (1) behaviour
Making rare earth described in e is light rare earth.
4. a kind of production method of the good PE plastics of safety according to claim 1, which is characterized in that step (1) behaviour
Making I additional amount of mixture made from operation d described in e is the 10 ~ 14% of toluene gross mass.
5. a kind of production method of the good PE plastics of safety according to claim 1, which is characterized in that step (1) behaviour
Temperature when making drying process described in f in control drying box is 88 ~ 92 DEG C.
6. a kind of production method of the good PE plastics of safety according to claim 1, which is characterized in that step (1) behaviour
Make rare earth nitrades described in h as any one in cerous nitrate, ytterbium nitrate, yttrium nitrate.
7. a kind of production method of the good PE plastics of safety according to claim 1, which is characterized in that step (1) behaviour
Temperature when making drying and processing described in h in control baking oven is 95 ~ 100 DEG C.
8. a kind of production method of the good PE plastics of safety according to claim 1, which is characterized in that in step (2)
The filler is calcium carbonate, and the reinforcing agent is flyash, and the ultraviolet absorbing agent is ultraviolet absorbing agent UV-
P, the dispersing agent are triethyl group hexyl phosphoric acid.
9. a kind of production method of the good PE plastics of safety according to claim 1, which is characterized in that step (3) behaviour
Temperature when making to premix processing described in a in control kneading machine is 80 ~ 90 DEG C, and mixed revolving speed is 1500 ~ 1800 revs/min
Clock.
10. a kind of production method of the good PE plastics of safety according to claim 1, which is characterized in that step (3) behaviour
The magnetic field strength for making steady magnetic field described in b is 6 ~ 8T, and the temperature that the extruder squeezes out is 195 ~ 200 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811075662.XA CN108997638A (en) | 2018-09-14 | 2018-09-14 | A kind of production method for the PE plastics that safety is good |
Applications Claiming Priority (1)
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| CN201811075662.XA CN108997638A (en) | 2018-09-14 | 2018-09-14 | A kind of production method for the PE plastics that safety is good |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006125036A2 (en) * | 2005-05-17 | 2006-11-23 | Exxonmobil Research And Engineering Company | Cloth-like fiber reinforced polypropylene compositions and method of making thereof |
| CN104212037A (en) * | 2014-09-10 | 2014-12-17 | 四川塑金科技有限公司 | Regenerated HDPE (High-Density Polyethylene) particles and preparation method thereof |
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2018
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006125036A2 (en) * | 2005-05-17 | 2006-11-23 | Exxonmobil Research And Engineering Company | Cloth-like fiber reinforced polypropylene compositions and method of making thereof |
| CN104212037A (en) * | 2014-09-10 | 2014-12-17 | 四川塑金科技有限公司 | Regenerated HDPE (High-Density Polyethylene) particles and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 应长璟等: "《石墨烯的制备、结构及应用"，应长璟等》", 30 June 2017, 哈尔滨工业大学出版社 * |
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Application publication date: 20181214 |