CN108329610A - A kind of antistatic PS modified materials of plastics sucking plate timber-used and preparation method thereof - Google Patents
A kind of antistatic PS modified materials of plastics sucking plate timber-used and preparation method thereof Download PDFInfo
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- CN108329610A CN108329610A CN201810050548.5A CN201810050548A CN108329610A CN 108329610 A CN108329610 A CN 108329610A CN 201810050548 A CN201810050548 A CN 201810050548A CN 108329610 A CN108329610 A CN 108329610A
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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
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/06—Polystyrene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/017—Additives being an antistatic agent
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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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C08L2207/04—Thermoplastic elastomer
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Abstract
The invention discloses antistatic PS modified materials of a kind of plastics sucking plate timber-used and preparation method thereof, belong to the technical field of PS materials.The present invention includes the raw material of following parts by weight：75 95 parts of PS resins, 5 15 parts of plasticizing mother particle, 35 parts of conductive black, 0.3 0.5 parts of lubricant, 0.1 0.2 parts of antioxidant, 0.2 0.4 parts of dispersant, 0.3 0.6 parts of heat stabilizer；The present invention gives the preparation method of above-mentioned antistatic PS modified materials, and by just mixing, being blended, addition conductive black, extrusion, cooling and pelletizing are expected in side position and obtain.The phenomenon that compatibility of PS resins and plasticizing mother particle of the present invention is good, and conductive black additive amount is few, and the antistatic PS modified materials of gained are antistatic to have permanence antistatic effect, is not influenced by humiture, good mechanical performance, and plastic uptake is not in the process rupture；Preparation method is simple, uniform blanking, production environment neat and tidy, at low cost, efficient.
Description
Technical field
The invention belongs to the technical field of PS materials, particularly relate to a kind of antistatic PS modified materials of plastics sucking plate timber-used and its
Preparation method.
Background technology
With the improvement of living standards, requirement of the people to household electrical appliance is also higher and higher, such as：Beautiful appearance, height
Quality and lightweight etc..The plank of current household appliances is more and more replaced by plastic material, and plastic products are easy to process,
Miscellaneous appearance can be made in easy dyeing, receive liking extensively for field of household appliances.Currently, in field of household appliances polyphenyl second
Alkenes (PS) product dosage is bigger, is mainly used for television rear shell, air-conditioning panel, outcase of refrigerator and liner etc..PS is generally
Head-tail structure, main chain are saturated carbon chains, and side group is conjugation phenyl ring, keeps molecular structure irregular, increases the rigidity of molecule, make PS
It is insulating resin, surface resistivity 10 as noncrystalline linear polymer20-1022Ω, antistatic property is poor, by temperature
Humidity environment influence easily generates electrostatic efficiency.If the antistatic property of PS can be improved, it will further developing PS materials exist
The application of field of household appliances.
Although occurring some PS antistatic products in the market, the antistatic limit of these products only has 0 power；
Have producer by antistatic layer by PS product formations of one layer of product surface spray coating to reach antistatic effect, it is still, this
The antistatic effect upper limit of antistatic layer only has 10 9-10 powers；In addition, time longer antistatic effect is poorer, resin adds
Work degradation；Moreover, these antistatic products are of high cost, influenced by humiture, is unable to permanent anti-static, impact strength one
As in 4KJ/m2Left and right, will appear fracture phenomena, which greatly limits the applications of PS resins during plastic uptake.
Invention content
The object of the present invention is to provide antistatic PS modified materials of a kind of plastics sucking plate timber-used and preparation method thereof, solve existing
The problem of having PS anti-static materials antistatic effect difference in technology and being unable to permanent anti-static.
A kind of antistatic PS modified materials of plastics sucking plate timber-used of the present invention, are mainly subject to reality by the following technical programs
Existing：Include the raw material of following parts by weight：75-95 parts of PS resins, 5-15 parts of plasticizing mother particle, 3-5 parts of conductive black, lubricant
0.3-0.5 parts, 0.1-0.2 parts of antioxidant, 0.2-0.4 parts of dispersant, 0.3-0.6 parts of heat stabilizer.
Permanence antistatic PS modified materials are made by conductive black in the present invention, and the addition of conductive black reduces PS materials
The surface resistivity of material；Since conductive black itself is semi-conducting material, there is lower resistivity, be added and lead in PS resins
Electric carbon black can reach anlistatig effect.But degree of scatter and dispersity of the conductive black in PS resins are to influence
The deciding factor of material property, the present invention pass through scientific design, Proper Match, the antistatic antistatic tool of PS modified materials of gained
There is a permanence antistatic effect, the compatibility of PS resins and plasticizing mother particle is good, and conductive black additive amount is few；Antistatic PS is modified material
The phenomenon that antistatic effect of material is not influenced by humiture, good mechanical performance, and plastic uptake is not in the process rupture.
Embodiment as one preferred, the PS resins are plank grade PS resins.PS resins include plank grade PS trees
Fat, injection grade PS resins and extrusion grade PS resins, for injection grade PS resins and extrusion grade PS resins, plank grade PS trees
Fat is had excellent performance, more suitable for the antistatic PS modified materials of plastics sucking plate timber-used of the present invention.
Embodiment as one preferred, the plasticizing mother particle are rubber toughening agent, thermoplastic elastomer (TPE), ethylene-vinegar
Any one or a few in the bipolymer of sour ethylene copolymer, ethylene and methyl acrylate, the grain of the plasticizing mother particle
Diameter size is 4-6mm.Rubber toughening agent, thermoplastic elastomer (TPE), ethylene-vinyl acetate copolymer (EVA), ethylene (E) and propylene
Bipolymer (EMA) these plasticizing mother particles of sour methyl esters (MA) can mutually melt with resin, and com-patibilising effect is good, plays apparent increasing
Tough effect.
Embodiment as one preferred, the conductive black are superconductive carbon black.This superconductive carbon black is because having
The characteristics of low resistive energy, can assign PS modified materials conduction or anti-static effect, resistance≤1.5Ohm/m, electric conductivity
It is good；This conductive black bulk density >=112g/L, content of powder≤20wt% are easy to process.Conductive black passes through filling
Method is added in PS resin binders, a diafiltration grid with conductive capability is formed inside PS resins, as access
Frosting and intrinsic electrostatic charge are eliminated, to reduce the resistivity of plastics.
Embodiment as one preferred, the lubricant is polyethylene wax, pentaerythritol stearate, ethylene are double hard
Any one or a few in resin acid amide.The lubricant of these three types, source is wide, convenient material drawing, cheap；Meanwhile
Its function admirable, can be compatible with PS resins and plasticizing mother particle well, improves dispersion of the conductive black in PS resins
Degree and dispersity.
Embodiment as one preferred, the antioxidant are in antioxidant 1010, irgasfos 168, antioxidant 1076
Any one or a few.These four anti-oxidant performances are good, can fully improve the antioxygenic property of antistatic PS modified materials,
The ageing-resistant performance for improving gained plastic uptake plank, extends its service life.
Embodiment as one preferred, the dispersant are ethylene bis stearic acid amide, zinc stearate, stearic acid
Any one or a few in calcium, polyethylene wax.The dispersant of these four types has both inorganic group and organic group, can be very
It is compatible with PS resins well and fully dispersed to conductive black progress, the additive amount of conductive black is reduced, is improved antistatic
The mechanical property of PS modified materials.
Embodiment as one preferred, the heat stabilizer is alkali formula lead salt type thermal stabilizing agent, metal soap heat is steady
Determine any one or a few in agent, organic tin heat stabilizer.Adding heat stabilizer in antistatic PS modified materials can be with
Its heat resistance is improved, its application range is expanded, extends its service life；These three heat stabilizer function admirables, can be fine
Ground is compatible with PS resins and plasticizing mother particle, and prevents or delay plastic products in molding process or during use
Decomposition reaction.
A kind of preparation method of the antistatic PS modified materials of plastics sucking plate timber-used of the present invention mainly passes through following technology
What scheme was realized：Include the following steps：1) PS resins and plasticizing mother particle are taken, is mixed, just mixed object is obtained, it is spare；2) lubrication is taken
Agent, antioxidant, dispersant and heat stabilizer mixing, form auxiliary agent packet；3) addition step 2) institute in object is just mixed obtained by step 1)
Auxiliary agent packet is obtained, is uniformly mixed, obtains mixed material；4) mixed material obtained by step 3) is added in double screw extruder, is being squeezed
Conductive black is added by side position material during going out, is squeezed out, each area's temperature of extruder is：One 150-170 DEG C of area, two area 220-
230 DEG C, three 220-240 DEG C of areas, four 220-230 DEG C of areas squeeze out material strip cooling, and pelletizing obtains product.
The present invention first adds plasticizing mother particle in PS resins, so that it is fully compatible, then will be helped by way of physical blending
Agent mixes, and chemical modification is carried out to PS resins in extrusion auxiliary agent, improves the shock resistance of antistatic PS modified materials and resistance to
The effect of aging also improves the mobility of product, conductive black is added using the processing technology of side position material, so that antistatic PS
Modified material achievees the effect that permanently to resist quiet.The preparation method of the present invention is simpler, uniform blanking, and production environment is totally whole
Clean, production efficiency is high, it is easy to accomplish industrialization, the antistatic PS modified materials of gained are more widely used, and have permanent
Antistatic effect is not influenced by humiture, and conductive black additive amount is few, at low cost, the mechanical property of antistatic PS modified materials
The case where energy is excellent, and plastic uptake is not in the process rupture.
Embodiment as one preferred, the step 1) and the step 3) carry out in high-speed mixer, high
The rotating speed of fast mixing machine is 800-1200r/min；It is cooling in the step 4) to be cooled down using sink.In the effect of high-speed mixer
Under, material mixing efficiency is improved, the uniformity of material after mixing is improved, easy to use, control is simple, saves manpower；
Material strip after extrusion after being fully cooled, more stablize by performance, is conducive to the presentation quality of product after raising is granulated, and sink is cold
But cooling efficiency can be improved, meanwhile, it will not have a negative impact to the performance of antistatic PS modified materials.
Compared with prior art, the beneficial effects of the invention are as follows：Permanence antistatic is made by conductive black in the present invention
PS modified materials, the addition of conductive black reduce the surface resistivity of PS materials；The compatibility of PS resins and plasticizing mother particle is good,
The addition of antioxidant and heat stabilizer improves the shock resistance of antistatic PS modified materials and ageing-resistant effect, lubricant and point
The addition of powder reduces the usage amount of conductive black while improving the processing performance and mechanical property of antistatic PS modified materials
Energy；Antistatic PS modified materials have permanence antistatic effect, are not influenced by humiture, and conductive black additive amount is few, at
The case where this is low, and mechanical property is unaffected, and plastic uptake is not in the process rupture.The preparation method of the present invention is simpler,
Uniform blanking, production environment neat and tidy, production efficiency are high, it is easy to accomplish industrialization.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with specific embodiments of the present invention, is shown
So, described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all
Belong to the scope of protection of the invention.
A kind of antistatic PS modified materials of plastics sucking plate timber-used of the present invention, include the raw material of following parts by weight：PS resins 75-
95 parts, 5-15 parts of plasticizing mother particle, 3-5 parts of conductive black, 0.3-0.5 parts of lubricant, 0.1-0.2 parts of antioxidant, dispersant 0.2-
0.4 part, 0.3-0.6 parts of heat stabilizer.
Preferably, the PS resins are plank grade PS resins.
Specifically, the plasticizing mother particle is rubber toughening agent, thermoplastic elastomer (TPE), ethylene-vinyl acetate copolymer, ethylene
With any one or a few in the bipolymer of methyl acrylate, the particle size of the plasticizing mother particle is 4-6mm.
Further, the conductive black is superconductive carbon black.
It is highly preferred that the lubricant is appointing in polyethylene wax, pentaerythritol stearate, ethylene bis stearic acid amide
Meaning is one or more of.
More specifically, the antioxidant be antioxidant 1010, irgasfos 168, in antioxidant 1076 any one or it is several
Kind.
Further, the dispersant is in ethylene bis stearic acid amide, zinc stearate, calcium stearate, polyethylene wax
Any one or a few.
Again less preferably, the heat stabilizer is alkali formula lead salt type thermal stabilizing agent, metal soap thermal stabilizers, organic tin
Any one or a few in heat stabilizer.
A kind of preparation method of the antistatic PS modified materials of plastics sucking plate timber-used of the present invention, includes the following steps：1) PS is taken
Resin and plasticizing mother particle, mixing obtain just mixed object, spare；2) lubricant, antioxidant, dispersant and heat stabilizer mixing are taken, is formed
Auxiliary agent packet；3) auxiliary agent packet obtained by addition step 2) in object is just mixed obtained by step 1), is uniformly mixed, is obtained mixed material；It 4) will step
Rapid 3) gained mixed material is added in double screw extruder, and conductive black is added by side position material in extrusion, squeezes out,
Each area's temperature of extruder is：One 150-170 DEG C of area, two 220-230 DEG C of areas, three 220-240 DEG C of areas, four 220-230 DEG C of areas squeeze out
Material strip cools down, and pelletizing obtains product.
Specifically, the step 1) and the step 3) carry out in high-speed mixer, and the rotating speed of high-speed mixer is
800-1200r/min；It is cooling in the step 4) to be cooled down using sink.
Embodiment one
A kind of preparation method of the antistatic PS modified materials of plastics sucking plate timber-used of the present invention, includes the following steps：
1) raw material is weighed according to following parts by weight：95 parts of PS resins, 5 parts of plasticizing mother particle, 3 parts of superconductive carbon black, lubricant
0.3 part, 0.2 part of antioxidant, 0.3 part of dispersant, 0.3 part of heat stabilizer, wherein plasticizing mother particle be ethene-vinyl acetate copolymerization
Object, lubricant are pentaerythritol stearate, and antioxidant is antioxidant 1010, and dispersant is ethylene bis stearic acid amide, and heat is steady
It is organic tin heat stabilizer to determine agent；
2) PS resins and plasticizing mother particle are taken, is added in high-speed mixer and is mixed, obtains just mixed object, it is spare；
3) lubricant, antioxidant, dispersant and heat stabilizer mixing are taken, auxiliary agent packet is formed；
4) auxiliary agent packet obtained by addition step 3) in object is just mixed obtained by step 2), is blended, is uniformly mixed, obtains mixture
Material；
5) mixed material obtained by step 4) is added in double screw extruder, is added by side position material in extrusion
Conductive black, squeezes out, and each area's temperature of extruder is：One 150-170 DEG C of area, two 220-230 DEG C of areas, three 220-240 DEG C of areas, 4th area
It 220-230 DEG C, squeezes out material strip and is cooled down by sink, by pelleter pelletizing, obtain product.
Embodiment two
A kind of preparation method of the antistatic PS modified materials of plastics sucking plate timber-used of the present invention, includes the following steps：
1) raw material is weighed according to following parts by weight：89 parts of PS resins, 8 parts of plasticizing mother particle, 3 parts of conductive black, lubricant 0.3
Part, 0.2 part of antioxidant, 0.2 part of dispersant, 0.4 part of heat stabilizer；
2) plank grade PS resins and plasticizing mother particle are taken, is added in high-speed mixer and is carried out under the rotating speed of 1000r/min
Mixing obtains just mixed object, spare；
3) lubricant, antioxidant, dispersant and heat stabilizer mixing are taken, auxiliary agent packet is formed；
4) auxiliary agent packet obtained by addition step 3) in object is just mixed obtained by step 2), is continued in above-mentioned high-speed mixer
It is blended, is uniformly mixed, obtains mixed material；
5) mixed material obtained by step 4) is added in double screw extruder, is added by side position material in extrusion
Conductive black, squeezes out, and each area's temperature of extruder is：One 150-170 DEG C of area, two 220-230 DEG C of areas, three 220-240 DEG C of areas, 4th area
It 220-230 DEG C, squeezes out material strip and is cooled down by sink, by pelleter pelletizing, obtain product.
Embodiment three
A kind of preparation method of the antistatic PS modified materials of plastics sucking plate timber-used of the present invention, includes the following steps：
1) raw material is weighed according to following parts by weight：87 parts of PS resins, 10 parts of plasticizing mother particle, 3 parts of conductive black, lubricant
0.3 part, 0.1 part of antioxidant, 0.3 part of dispersant, 0.4 part of heat stabilizer, wherein plasticizing mother particle is ethylene and methyl acrylate
The particle size of bipolymer, plasticizing mother particle is 4mm, and lubricant is ethylene bis stearic acid amide, and antioxidant is antioxidant
168, dispersant is polyethylene wax, and heat stabilizer is the mixture of lead stearate and organotin；
2) PS resins and plasticizing mother particle are taken, is mixed, just mixed object is obtained, it is spare；
3) lubricant, antioxidant, dispersant and heat stabilizer mixing are taken, auxiliary agent packet is formed；
4) auxiliary agent packet obtained by addition step 3) in object is just mixed obtained by step 2), is uniformly mixed, is obtained mixed material；
5) mixed material obtained by step 4) is added in double screw extruder, is added by side position material in extrusion
Conductive black, squeezes out, and each area's temperature of extruder is：One 150-170 DEG C of area, two 220-230 DEG C of areas, three 220-240 DEG C of areas, 4th area
It 220-230 DEG C, squeezes out material strip and is cooled down by sink, by pelleter pelletizing, obtain product.
Example IV
A kind of preparation method of the antistatic PS modified materials of plastics sucking plate timber-used of the present invention, includes the following steps：
1) raw material is weighed according to following parts by weight：84 parts of PS resins, 12 parts of plasticizing mother particle, 4 parts of conductive black, lubricant
0.4 part, 0.2 part of antioxidant, 0.4 part of dispersant, 0.5 part of heat stabilizer, wherein plasticizing mother particle is thermoplastic elastomer (TPE), toughening
The particle size of master batch is 6mm, and lubricant is polyethylene wax, and antioxidant is the mixture of antioxidant 1010 and irgasfos 168, point
Powder is zinc stearate, and heat stabilizer is lead stearate；
2) plank grade PS resins and thermoplastic elastomer (TPE) are taken, is added in high-speed mixer under the rotating speed of 1200r/min
It is mixed, obtains just mixed object, it is spare；
3) lubricant, antioxidant, dispersant and heat stabilizer mixing are taken, auxiliary agent packet is formed；
4) auxiliary agent packet obtained by addition step 3) in object is just mixed obtained by step 2), is continued in above-mentioned high-speed mixer
It is blended, is uniformly mixed, obtains mixed material；
5) mixed material obtained by step 4) is added in double screw extruder, is added by side position material in extrusion
Conductive black, squeezes out, and each area's temperature of extruder is：One 150-170 DEG C of area, two 220-230 DEG C of areas, three 220-240 DEG C of areas, 4th area
It 220-230 DEG C, squeezes out material strip and is cooled down by sink, by pelleter pelletizing, obtain product.
Embodiment five
A kind of preparation method of the antistatic PS modified materials of plastics sucking plate timber-used of the present invention, includes the following steps：
1) raw material is weighed according to following parts by weight：75 parts of PS resins, 15 parts of plasticizing mother particle, 5 parts of conductive black, lubricant
0.5 part, 0.1 part of antioxidant, 0.4 part of dispersant, 0.6 part of heat stabilizer, wherein plasticizing mother particle is rubber toughening agent, lubricant
For the mixture of pentaerythritol stearate and ethylene bis stearic acid amide, antioxidant is antioxidant 1076, and dispersant is poly- second
The mixture of alkene wax and calcium stearate, heat stabilizer are metal soap thermal stabilizers；
2) PS resins and rubber toughening agent are taken, is added in high-speed mixer and is mixed under the rotating speed of 800r/min,
Just mixed object is obtained, it is spare；
3) lubricant, antioxidant, dispersant and heat stabilizer mixing are taken, auxiliary agent packet is formed；
4) auxiliary agent packet obtained by addition step 3) in object is just mixed obtained by step 2), is continued in above-mentioned high-speed mixer
It is blended, is uniformly mixed, obtains mixed material；
5) mixed material obtained by step 4) is added in double screw extruder, is added by side position material in extrusion
Conductive black, squeezes out, and each area's temperature of extruder is：One 150-170 DEG C of area, two 220-230 DEG C of areas, three 220-240 DEG C of areas, 4th area
220-230 DEG C, shaping squeezes out material strip and is cooled down by sink, by pelleter pelletizing, obtains product.
Embodiment one to the antistatic PS modified materials of embodiment five gained, five kinds of plastics sucking plate timber-useds is subjected to performance detection, packet
Include its Izod notched impact strength, tensile strength, elongation at break, bending strength and surface resistivity, experimental result such as table 1
It is shown.
The performance test results of the different antistatic PS modified materials of table 1
As can be seen from Table 1, the Izod notched impact strength of the antistatic PS modified materials obtained by method of the invention
Between 65-85J/m, this has basically reached the Izod notched impact strength of original PS resins, also, significantly larger than existing city
Sell the Izod notched impact strength of PS modified materials；The tensile strength of antistatic PS modified materials of the gained of the present invention is
20-22MPa, elongation at break 18-24%, bending strength 30-33MPa, these three indexs have respectively reached original PS
Tensile strength, elongation at break and the bending strength of resin, also, the stretching of significantly larger than existing commercially available PS modified materials is strong
Degree, elongation at break and bending strength；This illustrates that the antistatic PS modified materials obtained by the method for the present invention have excellent power
Learn performance.Meanwhile the surface resistivity of the antistatic PS modified materials obtained by method of the invention is 103-105Ω, this is much low
In the surface resistivity of original PS resins, and less than the surface resistivity of existing commercially available PS modified materials, this illustrates the present invention's
Antistatic PS modified materials obtained by method considerably reduce the surface resistivity of PS resins, improve antistatic PS and are modified material
The antistatic effect of material.
Compared with prior art, the beneficial effects of the invention are as follows：Permanence antistatic is made by conductive black in the present invention
PS modified materials, the addition of conductive black reduce the surface resistivity of PS materials；The compatibility of PS resins and plasticizing mother particle is good,
The addition of antioxidant and heat stabilizer improves the shock resistance of antistatic PS modified materials and ageing-resistant effect, lubricant and point
The addition of powder reduces the usage amount of conductive black while improving the processing performance and mechanical property of antistatic PS modified materials
Energy；Antistatic PS modified materials have permanence antistatic effect, are not influenced by humiture, and conductive black additive amount is few, at
The case where this is low, and mechanical property is unaffected, and plastic uptake is not in the process rupture.The preparation method of the present invention is simpler,
Uniform blanking, production environment neat and tidy, production efficiency are high, it is easy to accomplish industrialization.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of antistatic PS modified materials of plastics sucking plate timber-used, which is characterized in that include the raw material of following parts by weight：
75-95 parts of PS resins, 5-15 parts of plasticizing mother particle, 3-5 parts of conductive black, 0.3-0.5 parts of lubricant, antioxidant 0.1-0.2
Part, 0.2-0.4 parts of dispersant, 0.3-0.6 parts of heat stabilizer.
2. the antistatic PS modified materials of plastics sucking plate timber-used according to claim 1, it is characterised in that：
The PS resins are plank grade PS resins.
3. the antistatic PS modified materials of plastics sucking plate timber-used according to claim 1, it is characterised in that：
The plasticizing mother particle is rubber toughening agent, thermoplastic elastomer (TPE), ethylene-vinyl acetate copolymer, ethylene and acrylic acid first
Any one or a few in the bipolymer of ester, the particle size of the plasticizing mother particle is 4-6mm.
4. the antistatic PS modified materials of plastics sucking plate timber-used according to claim 1, it is characterised in that：
The conductive black is superconductive carbon black.
5. the antistatic PS modified materials of plastics sucking plate timber-used according to claim 1, it is characterised in that：
The lubricant is any one or a few in polyethylene wax, pentaerythritol stearate, ethylene bis stearic acid amide.
6. the antistatic PS modified materials of plastics sucking plate timber-used according to claim 1, it is characterised in that：
The antioxidant is any one or a few in antioxidant 1010, irgasfos 168, antioxidant 1076.
7. the antistatic PS modified materials of plastics sucking plate timber-used according to claim 1, it is characterised in that：
The dispersant be ethylene bis stearic acid amide, zinc stearate, calcium stearate, in polyethylene wax any one or it is several
Kind.
8. the antistatic PS modified materials of plastics sucking plate timber-used according to claim 1, it is characterised in that：
The heat stabilizer is appointing in alkali formula lead salt type thermal stabilizing agent, metal soap thermal stabilizers, organic tin heat stabilizer
Meaning is one or more of.
9. the preparation method of the antistatic PS modified materials of plastics sucking plate timber-used according to any one of claim 1-8,
It is characterized in that, includes the following steps：
1) PS resins and plasticizing mother particle are taken, is mixed, just mixed object is obtained, it is spare；
2) lubricant, antioxidant, dispersant and heat stabilizer mixing are taken, auxiliary agent packet is formed；
3) auxiliary agent packet obtained by addition step 2) in object is just mixed obtained by step 1), is uniformly mixed, is obtained mixed material；
4) mixed material obtained by step 3) is added in double screw extruder, conduction is added by side position material in extrusion
Carbon black, squeezes out, and each area's temperature of extruder is：One 150-170 DEG C of area, two 220-230 DEG C of areas, three 220-240 DEG C of areas, four area 220-
230 DEG C, material strip cooling is squeezed out, pelletizing obtains product.
10. the preparation method of the antistatic PS modified materials of plastics sucking plate timber-used according to claim 9, it is characterised in that：
The step 1) and the step 3) carry out in high-speed mixer, and the rotating speed of high-speed mixer is 800-1200r/
min；It is cooling in the step 4) to be cooled down using sink.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810050548.5A CN108329610A (en) | 2018-01-18 | 2018-01-18 | A kind of antistatic PS modified materials of plastics sucking plate timber-used and preparation method thereof |
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| CN109320865A (en) * | 2018-10-10 | 2019-02-12 | 佛山市顺德区德联邦盛光电科技有限公司 | A kind of shock proof plastics sucking plate |
| CN111909467A (en) * | 2020-07-15 | 2020-11-10 | 日彩复合塑料(深圳)有限公司 | Plastic tray material and preparation method thereof |
| CN112111122A (en) * | 2020-09-17 | 2020-12-22 | 浙江三和塑料有限公司 | Decomposition-resistant PS conductive master batch |
| CN112280203A (en) * | 2020-10-09 | 2021-01-29 | 苏州清之绿新材料有限公司 | Modified reinforced PS (polystyrene) antistatic plastic sheet and preparation method thereof |
| CN117364264A (en) * | 2023-11-06 | 2024-01-09 | 佛山市塑派科技有限公司 | Conductive master batch for conductive fibers and preparation method thereof |
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