CN105315566A - Antistatic PS modified material and preparation method thereof - Google Patents
Antistatic PS modified material and preparation method thereof Download PDFInfo
- Publication number
- CN105315566A CN105315566A CN201510862511.9A CN201510862511A CN105315566A CN 105315566 A CN105315566 A CN 105315566A CN 201510862511 A CN201510862511 A CN 201510862511A CN 105315566 A CN105315566 A CN 105315566A
- Authority
- CN
- China
- Prior art keywords
- antistatic
- material modified
- mixture
- weight ratio
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the technical field of PS materials, and particularly relates to an antistatic PS modified material and a preparation method thereof. The antistatic PS modified material comprises the following raw materials in parts by weight: 60-95 parts of PS resin, 5-15 parts of an antistatic agent, 5-15 parts of SBS resin, 0.05-0.15 part of PETS, 0.1-0.3 part of diffusion oil, 1-1.5 parts of zinc stearate, and 0.2-1.5 parts of an antioxidant. According to the antistatic PS modified material disclosed by the invention, blending modification is carried out through addition of the antistatic agent, the SBS resin and the PETS to improve the antistatic properties, processability and shock resistance of the modified material, so that the surface resistivity of the antistatic PS modified material reaches 5-8 orders of magnitude and is significantly improved in comparison with that of the existing antistatic PS materials.
Description
Technical field
The present invention relates to PS field of material technology, it is material modified and preparation method thereof to be specifically related to a kind of antistatic PS.
Background technology
PS resin is the good engineering plastics of a kind of over-all properties, has excellent thermal stability, cold tolerance, good fluidity and chemical mediator stability, has good processing characteristics and dimensional stability.
PS resin has been widely used in the industries such as household electrical appliances, building, automobile, office appliance.But the static resistance of PS is poor, if the static resistance of PS can be improved, the application of PS resin in fields such as automobile, office machine, electronics will be opened up further.Although some the PS antistatic products on market, antistatic limit only has 0 power.Ye You producer reaches static resistance by what spray the antistatic oily PS product surface layer of one deck at product surface, but the antistatic effect upper limit only 10 9-10 power, longer antistatic effect is poorer the time in addition, the poor processability of resin.The shock strength of the antistatic PC in addition on market is generally at 4KJ/m
2left and right, also greatly limit the range of application of PS resin.
Summary of the invention
In order to overcome the shortcoming and defect existed in prior art, the object of the present invention is to provide a kind of antistatic PS material modified, on the material modified basis keeping material shock resistance of this antistatic PS, the antistatic property of material can be significantly improved, and processing characteristics is better, excellent combination property.
Another object of the present invention is to the preparation method providing a kind of antistatic PS material modified, this preparation method's technique is simple, and convenient operation and control, steady quality, production efficiency is high, and production cost is low, can large-scale industrial production.
Object of the present invention is achieved through the following technical solutions: a kind of antistatic PS is material modified, the material modified raw material comprising following weight part of described antistatic PS:
PS resin 60-95 part
Static inhibitor 5-15 part
SBS resin 5-15 part
PETS0.05-0.15 part
Diffusing oil 0.1-0.3 part
Zinic stearas 1-1.5 part
Oxidation inhibitor 0.2-1.5 part;
Wherein, the mixture that is made up of with weight ratio 2.4-3.2:1 at the carbon fiber of 50-100nm at carbon black and the filament diameter of 10-50nm particle diameter of described static inhibitor.
The present invention by adopt particle diameter at the carbon black of 10-50nm and filament diameter at the carbon fiber of 50-100nm as the composite use of static inhibitor, and to control its weight ratio be 2.4-3.2:1, material modified surface resistivity is made to reach 5-8 the order of magnitude, on the basis keeping material shock resistance, the antistatic property of material can be significantly improved.
Antistatic PS of the present invention is material modified to carry out blending and modifying improve material modified antistatic, processing characteristics and shock resistance by adding static inhibitor, SBS resin and PETS, make the material modified surface resistivity of antistatic PS reach 5-8 the order of magnitude, significantly improve compared with existing antistatic PS material.
On the material modified basis keeping material shock resistance of antistatic PS of the present invention, the antistatic property of material can be significantly improved, and processing characteristics is better, excellent combination property.
Preferably, described PS resin be fusing point 235-245 DEG C, density is at 1.03-1.06g/cm
3polystyrene resin.
The present invention by adopt fusing point 235-245 DEG C, density is at 1.03-1.06g/cm
3polystyrene resin as PS resin, make material modified to there is excellent shock-resistance, thermotolerance, dielectricity and wear resistance, and good dimensional stability.
Preferably, described SBS resin is that the content of styrene units is 10%-30%, the content of butadiene unit is the styrene-butadiene-styrene block copolymer of 70%-90%.
By adopting, the content of styrene units is 10%-30%, the content of butadiene unit is that the styrene-butadiene-styrene block copolymer of 70%-90% is as toughner in the present invention, toughness and the shock resistance of material can be improved, the heat-drawn wire of material can also be improved.
Preferably, the mixture that is made up of with weight ratio 1:1-2 at the PETS-4 of 55-65 DEG C at 25-35mgKOH/g, fusing point in the PETS-3 of 50-60 DEG C and hydroxyl value at 55-65mgKOH/g, fusing point hydroxyl value of described PETS.
PETS is pentaerythritol stearate, the present invention by adopt hydroxyl value at 55-65mgKOH/g, fusing point in the PETS-3 of 50-60 DEG C and hydroxyl value at 25-35mgKOH/g, fusing point at the PETS-4 of 55-65 DEG C as the composite use of PETS, and to control its weight ratio be 1:1-2, there is good thermostability and low volatility, the good demoulding and flowing property, significantly can improve the processing characteristics of material when high temperature, improve transparency and the surface smoothness of goods.
Preferably, described diffusing oil is density in 0.83-0.87g/cm3, viscosity at the diffusing oil of 500-1000mPas, acid number≤4mgKOH/g, amine value≤2mgKOH/g.
The present invention is by adopting density at 0.83-0.87g/cm
3, viscosity at the diffusing oil of 500-1000mPas, acid number≤4mgKOH/g, amine value≤2mgKOH/g, it has outer lubrication and interior lubrication, makes material in the course of processing, improve the mobility of material and the release property of goods.
Preferably, the mixture that is made up of with weight ratio 1-2:1 antioxidant 1010 and irgasfos 168 of described oxidation inhibitor.
The present invention is by adopting antioxidant 1010 and irgasfos 168 as the composite use of oxidation inhibitor, and to control its weight ratio be 1:1-2, two kinds of oxidation inhibitor are environmental protection oxidation inhibitor and have certain synergy, can delay or suppress the carrying out of material oxidation process, thus stop the aging of material and extend its work-ing life.
Preferably, described antistatic PS is material modified also comprises weighting agent 10-20 part and impact modifier 1-5 part, and described weighting agent is that particle diameter is at 1-10nm and through the nano-calcium carbonate of silane coupling agent process.
The particle diameter of weighting agent is less, to the tensile strength of packing material and shock strength more useful, the present invention, by adopting nano-calcium carbonate as weighting agent and controlling its particle diameter at 1-10nm, can improve the intensity of material; Weighting agent and the good consistency of resin play its key acting on and control addition, and the present invention adopts the nano-calcium carbonate through silane coupling agent process, can improve the consistency of nano-calcium carbonate and polyvinyl chloride resin, thus the intensity of raising material.
Described impact modifier is the mixture that the chlorinatedpolyethylene of 25%-45% and the ethylene-vinyl acetate copolymer of vinyl acetate between to for plastic unit content 5%-25% form with weight ratio 1.5-2.5:1 by chlorinity.
Chlorinatedpolyethylene (CPE) is a kind of properties-correcting agent of thermoplastics, has good over-all properties.Appropriate CPE is added, the processing characteristics that can reduce the melt viscosity of resin, improve mobility, improve plastics in polyvinyl chloride (PVC) resin; The work-ing life of the shock strength of PVC, resistance to low temperature, weathering performance, prolongation goods can also be improved.CPE is added in calcic-plastic composite material, not only can replace Plasticizer DBP, also contributes to the dispersed of calcium carbonate and polyvinyl chloride resin; And when the chlorinity (weight content) of chlorinatedpolyethylene is for 25%-45%, make the resistance to impact shock of material best.
Ethylene-vinyl acetate copolymer (EVA) can be used as the impact modifying agent of PVC, has good flexibility, obdurability, lower temperature resistance (-58 DEG C still have pliability), weathering resistance, stress cracking resistance, heat sealer, agglutinating value(of coal), the transparency and glossiness; Also there is the elasticity as rubber simultaneously, excellent chemical stability, thermostability (heat decomposition temperature 229 ~ 230 DEG C), ozone resistance, nontoxicity, good processibility and dyeability; Fine with the miscibility of filler, even if fill more filler, also unlikelyly have a strong impact on its physical and mechanical property.
EVA is as the impact modifying agent of PVC, its effect is different with the content of vinyl acetate between to for plastic in multipolymer, when the content of vinyl acetate between to for plastic is low, with the poor compatibility of PVC, reinforced effects is poor, and goods are opaque, along with the increase of vinyl acetate between to for plastic unit content, the consistency of multipolymer and PVC improves, and reinforced effects improves, and the goods transparency is also better; But the content of vinyl acetate between to for plastic also can not be too high, during vinyl acetate between to for plastic unit content 5%-25%, obviously can improve the shock strength of PVC, compared with the impact modifying agent containing carbon-carbon double bond, also there is the good advantage of ageing resistance.
The present invention is by adopting chlorinatedpolyethylene and ethylene-vinyl acetate copolymer as the composite use of impact modifier, and to control its weight ratio be 1.5-2.5:1, the high temperature resistant of material and resistance to low temperature can be improved, the processing characteristics that can also reduce the melt viscosity of material, improve mobility, improve plastics, improves the work-ing life of the shock strength of material, weathering performance, prolongation goods.
Preferably, described antistatic PS is material modified also comprises fire retardant 1-5 part, slipping agent 0.05-0.15 part and pigment powder 0.01-0.05 part; The mixture that described fire retardant is made up of with weight ratio 0.5-1.5:1 antimonous oxide and zinc borate.
Antimony peroxide and lime borate are inorganic environment-friendly fire retardant, the present invention is by adopting antimonous oxide and zinc borate as the composite use of fire retardant, and to control its weight ratio be 0.5-1.5:1, good flame retardant effect can be reached, Drawing abillity and mechanical property can also be improved.
Described slipping agent is the mixture be made up of with weight ratio 1.5-2.5:0.8-1.2:1 erucicamide, amine hydroxybenzene and N, N'-ethylene bis stearamide.
The present invention is by adopting erucicamide, amine hydroxybenzene and N, N'-ethylene bis stearamide is as slipping agent and to control its weight ratio be 1.5-2.5:0.8-1.2:1, mechanical resistant stirring capacity and fingerprinting stress can be strengthened, finished product good forming effect, any surface finish, the extensibility of finished product can also be strengthened, easy-to-draw not easily broken.
Described pigment powder is particle diameter at the titanium dioxide of 1-5 μm; The mixture that described titanium dioxide is made up of with weight ratio 1:1.5-2.5 Rutile type Titanium Dioxide and anatase thpe white powder.
The present invention adopts particle diameter at the titanium dioxide of 1-5 μm as pigment powder, further employing Rutile type Titanium Dioxide and the composite use of anatase thpe white powder, and to control its weight ratio be 1:1.5-2.5, there is superior whiteness, tinting strength, opacifying power, weathering resistance, thermotolerance and chemical stability, particularly there is no toxicity.
The preparation method that antistatic PS is material modified, comprises the steps:
(1) PS resin is toasted 2-4h at 70-90 DEG C of temperature, for subsequent use;
(2) take the PS resin after baking and all the other raw materials by weight ratio, put into the blended 5-10min of high-speed mixer, obtain mixture;
(3) mixture is dropped into twin screw extruder through melt extruding, granulation;
(4) toast 2-3h by the particle 70-90 DEG C temperature produced, obtained antistatic PS is material modified.
Preferably, in described step (3), the concrete technology parameter of twin screw extruder is: a district temperature 180-200 DEG C, two district temperature 190-200 DEG C, three district temperature 190-200 DEG C, four district temperature 190-200 DEG C, five district temperature 190-200 DEG C, six district temperature 190-200 DEG C, seven district temperature 195-210 DEG C, eight district temperature 195-210 DEG C, nine district temperature 195-210 DEG C, die head temperature 200-220 DEG C, pressure 12-18MPa, screw speed 280-350R/min, residence time 2-3min.
Preparation method's technique of the present invention is simple, and convenient operation and control, steady quality, production efficiency is high, and production cost is low, can large-scale industrial production.
Beneficial effect of the present invention is: antistatic PS of the present invention is material modified to carry out blending and modifying improve material modified antistatic, processing characteristics and shock resistance by adding static inhibitor, SBS resin and PETS, make the material modified surface resistivity of antistatic PS reach 5-8 the order of magnitude, significantly improve compared with existing antistatic PS material.
On the material modified basis keeping material shock resistance of antistatic PS of the present invention, the antistatic property of material can be significantly improved, and processing characteristics is better, excellent combination property.
Preparation method's technique of the present invention is simple, and convenient operation and control, steady quality, production efficiency is high, and production cost is low, can large-scale industrial production.
Embodiment
For the ease of the understanding of those skilled in the art, below in conjunction with embodiment, the present invention is further illustrated, and the content that embodiment is mentioned not is limitation of the invention.
Embodiment 1
A kind of antistatic PS is material modified, the material modified raw material comprising following weight part of described antistatic PS:
PS resin 60 parts
5 parts, static inhibitor
SBS resin 5 parts
PETS0.05 part
Diffusing oil 0.1 part
Zinic stearas 1 part
0.2 part, oxidation inhibitor;
Wherein, the mixture that is made up of with weight ratio 2.4:1 at the carbon fiber of 50nm at carbon black and the filament diameter of 10nm particle diameter of described static inhibitor.
Described PS resin be fusing point 235 DEG C, density is at 1.03g/cm
3polystyrene resin.
The mixture that described PETS is made up of with weight ratio 1:1 at the PETS-4 of 55 DEG C at 25mgKOH/g, fusing point in the PETS-3 of 50 DEG C and hydroxyl value at 55mgKOH/g, fusing point hydroxyl value.
Described SBS resin is that the content of styrene units is 10%, the content of butadiene unit is the styrene-butadiene-styrene block copolymer of 90%.
Described diffusing oil is that density is at 0.83g/cm
3, viscosity is at the diffusing oil of 500mPas, acid number≤4mgKOH/g, amine value≤2mgKOH/g.
The mixture that described oxidation inhibitor is made up of with weight ratio 1:1 antioxidant 1010 and irgasfos 168.
Described antistatic PS is material modified also comprises weighting agent 10 parts and impact modifier 1 part, and described weighting agent is that particle diameter is at 1nm and through the nano-calcium carbonate of silane coupling agent process; Described impact modifier is the mixture that the chlorinatedpolyethylene of 25% and the ethylene-vinyl acetate copolymer of vinyl acetate between to for plastic unit content 5% form with weight ratio 1.5:1 by chlorinity.
Described antistatic PS is material modified also comprises fire retardant 1 part, slipping agent 0.05 part and 0.01 part, pigment powder; The mixture that described fire retardant is made up of with weight ratio 1.1:1 antimonous oxide and zinc borate; Described slipping agent is the mixture be made up of with weight ratio 1.5:0.8:1 erucicamide, amine hydroxybenzene and N, N'-ethylene bis stearamide; Described pigment powder is particle diameter at the titanium dioxide of 1 μm; The mixture that described titanium dioxide is made up of with weight ratio 1:1.5 Rutile type Titanium Dioxide and anatase thpe white powder.
The preparation method that antistatic PS is material modified, comprises the steps:
(1) PS resin is toasted 4h at 70 DEG C of temperature, for subsequent use;
(2) take the PS resin after baking and all the other raw materials by weight ratio, put into the blended 5min of high-speed mixer, obtain mixture;
(3) mixture is dropped into twin screw extruder through melt extruding, granulation;
(4) toast 3h by the particle 70 DEG C of temperature produced, obtained antistatic PS is material modified.
In described step (3), the concrete technology parameter of twin screw extruder is: district's temperature 180 DEG C, two district's temperature 190 DEG C, three district's temperature 190 DEG C, four district's temperature 190 DEG C, five district's temperature 190 DEG C, six district's temperature 190 DEG C, seven district's temperature 195 DEG C, eight district's temperature 195 DEG C, nine district's temperature 195 DEG C, die head temperature 200 DEG C, pressure 12MPa, screw speed 280R/min, residence time 2min.
Embodiment 2
A kind of antistatic PS is material modified, the material modified raw material comprising following weight part of described antistatic PS:
PS resin 70 parts
8 parts, static inhibitor
SBS resin 8 parts
PETS0.08 part
Diffusing oil 0.15 part
Zinic stearas 1.1 parts
0.6 part, oxidation inhibitor;
Wherein, the mixture that is made up of with weight ratio 2.6:1 at the carbon fiber of 60nm at carbon black and the filament diameter of 20nm particle diameter of described static inhibitor.
Described PS resin be fusing point 238 DEG C, density is at 1.04g/cm
3polystyrene resin.
The mixture that described PETS is made up of with weight ratio 1:1.2 at the PETS-4 of 58 DEG C at 28mgKOH/g, fusing point in the PETS-3 of 52 DEG C and hydroxyl value at 58mgKOH/g, fusing point hydroxyl value.
Described SBS resin is that the content of styrene units is 15%, the content of butadiene unit is the styrene-butadiene-styrene block copolymer of 85%.
Described diffusing oil is that density is at 0.84g/cm
3, viscosity is at the diffusing oil of 600mPas, acid number≤4mgKOH/g, amine value≤2mgKOH/g.
The mixture that described oxidation inhibitor is made up of with weight ratio 1.2:1 antioxidant 1010 and irgasfos 168.
Described antistatic PS is material modified also comprises weighting agent 12 parts and impact modifier 2 parts, and described weighting agent is that particle diameter is at 3nm and through the nano-calcium carbonate of silane coupling agent process; Described impact modifier is the mixture that the chlorinatedpolyethylene of 30% and the ethylene-vinyl acetate copolymer of vinyl acetate between to for plastic unit content 10% form with weight ratio 1.8:1 by chlorinity.
Described antistatic PS is material modified also comprises fire retardant 2 parts, slipping agent 0.08 part and 0.02 part, pigment powder; The mixture that described fire retardant is made up of with weight ratio 1.2:1 antimonous oxide and zinc borate; Described slipping agent is the mixture be made up of with weight ratio 1.8:0.9:1 erucicamide, amine hydroxybenzene and N, N'-ethylene bis stearamide; Described pigment powder is particle diameter at the titanium dioxide of 2 μm; The mixture that described titanium dioxide is made up of with weight ratio 1:1.8 Rutile type Titanium Dioxide and anatase thpe white powder.
The preparation method that antistatic PS is material modified, comprises the steps:
(1) PS resin is toasted 3.5h at 75 DEG C of temperature, for subsequent use;
(2) take the PS resin after baking and all the other raw materials by weight ratio, put into the blended 6min of high-speed mixer, obtain mixture;
(3) mixture is dropped into twin screw extruder through melt extruding, granulation;
(4) toast 2.8h by the particle 75 DEG C of temperature produced, obtained antistatic PS is material modified.
In described step (3), the concrete technology parameter of twin screw extruder is: district's temperature 185 DEG C, two district's temperature 192 DEG C, three district's temperature 192 DEG C, four district's temperature 192 DEG C, five district's temperature 192 DEG C, six district's temperature 192 DEG C, seven district's temperature 198 DEG C, eight district's temperature 198 DEG C, nine district's temperature 198 DEG C, die head temperature 205 DEG C, pressure 14MPa, screw speed 300R/min, residence time 3min.
Embodiment 3
A kind of antistatic PS is material modified, the material modified raw material comprising following weight part of described antistatic PS:
PS resin 78 parts
10 parts, static inhibitor
SBS resin 10 parts
PETS0.1 part
Diffusing oil 0.2 part
Zinic stearas 1.2 parts
1 part, oxidation inhibitor;
Wherein, the mixture that is made up of with weight ratio 2.5:1 at the carbon fiber of 80nm at carbon black and the filament diameter of 30nm particle diameter of described static inhibitor.
Described PS resin be fusing point 240 DEG C, density is at 1.05g/cm
3polystyrene resin.
The mixture that described PETS is made up of with weight ratio 1:1.5 at the PETS-4 of 60 DEG C at 30mgKOH/g, fusing point in the PETS-3 of 55 DEG C and hydroxyl value at 60mgKOH/g, fusing point hydroxyl value.
Described SBS resin is that the content of styrene units is 20%, the content of butadiene unit is the styrene-butadiene-styrene block copolymer of 80%.
Described diffusing oil is that density is at 0.85g/cm
3, viscosity is at the diffusing oil of 500-1000mPas, acid number≤4mgKOH/g, amine value≤2mgKOH/g.
The mixture that described oxidation inhibitor is made up of with weight ratio 1.5:1 antioxidant 1010 and irgasfos 168.
Described antistatic PS is material modified also comprises weighting agent 15 parts and impact modifier 3 parts, and described weighting agent is that particle diameter is at 5nm and through the nano-calcium carbonate of silane coupling agent process; Described impact modifier is the mixture that the chlorinatedpolyethylene of 35% and the ethylene-vinyl acetate copolymer of vinyl acetate between to for plastic unit content 15% form with weight ratio 2:1 by chlorinity.
Described antistatic PS is material modified also comprises fire retardant 3 parts, slipping agent 0.1 part and 0.03 part, pigment powder; The mixture that described fire retardant is made up of with weight ratio 1.3:1 antimonous oxide and zinc borate; Described slipping agent is the mixture be made up of with weight ratio 2:1:1 erucicamide, amine hydroxybenzene and N, N'-ethylene bis stearamide; Described pigment powder is particle diameter at the titanium dioxide of 3 μm; The mixture that described titanium dioxide is made up of with weight ratio 1:2 Rutile type Titanium Dioxide and anatase thpe white powder.
The preparation method that antistatic PS is material modified, comprises the steps:
(1) PS resin is toasted 3h at 80 DEG C of temperature, for subsequent use;
(2) take the PS resin after baking and all the other raw materials by weight ratio, put into the blended 8min of high-speed mixer, obtain mixture;
(3) mixture is dropped into twin screw extruder through melt extruding, granulation;
(4) toast 2.5h by the particle 80 DEG C of temperature produced, obtained antistatic PS is material modified.
In described step (3), the concrete technology parameter of twin screw extruder is: district's temperature 190 DEG C, two district's temperature 195 DEG C, three district's temperature 195 DEG C, four district's temperature 195 DEG C, five district's temperature 195 DEG C, six district's temperature 195 DEG C, seven district's temperature 202 DEG C, eight district's temperature 202 DEG C, nine district's temperature 202 DEG C, die head temperature 210 DEG C, pressure 15MPa, screw speed 320R/min, residence time 2.5min.
Embodiment 4
A kind of antistatic PS is material modified, the material modified raw material comprising following weight part of described antistatic PS:
PS resin 85 parts
12 parts, static inhibitor
SBS resin 12 parts
PETS0.12 part
Diffusing oil 0.25 part
Zinic stearas 1.4 parts
1.2 parts, oxidation inhibitor;
Wherein, the mixture that is made up of with weight ratio 3:1 at the carbon fiber of 90nm at carbon black and the filament diameter of 40nm particle diameter of described static inhibitor.
Described PS resin be fusing point 242 DEG C, density is at 1.05g/cm
3polystyrene resin.
The mixture that described PETS is made up of with weight ratio 1:1.8 at the PETS-4 of 62 DEG C at 32mgKOH/g, fusing point in the PETS-3 of 58 DEG C and hydroxyl value at 62mgKOH/g, fusing point hydroxyl value.
Described SBS resin is that the content of styrene units is 25%, the content of butadiene unit is the styrene-butadiene-styrene block copolymer of 75%.
Described diffusing oil is that density is at 0.83-0.87g/cm
3, viscosity is at the diffusing oil of 500-1000mPas, acid number≤4mgKOH/g, amine value≤2mgKOH/g.
The mixture that described oxidation inhibitor is made up of with weight ratio 1-2:1 antioxidant 1010 and irgasfos 168.
Described antistatic PS is material modified also comprises weighting agent 18 parts and impact modifier 4 parts, and described weighting agent is that particle diameter is at 8nm and through the nano-calcium carbonate of silane coupling agent process; Described impact modifier is the mixture that the chlorinatedpolyethylene of 40% and the ethylene-vinyl acetate copolymer of vinyl acetate between to for plastic unit content 20% form with weight ratio 2.2:1 by chlorinity.
Described antistatic PS is material modified also comprises fire retardant 4 parts, slipping agent 0.12 part and 0.04 part, pigment powder; The mixture that described fire retardant is made up of with weight ratio 1.4:1 antimonous oxide and zinc borate; Described slipping agent is the mixture be made up of with weight ratio 2.2:1.1:1 erucicamide, amine hydroxybenzene and N, N'-ethylene bis stearamide; Described pigment powder is particle diameter at the titanium dioxide of 4 μm; The mixture that described titanium dioxide is made up of with weight ratio 1:2.2 Rutile type Titanium Dioxide and anatase thpe white powder.
The preparation method that antistatic PS is material modified, comprises the steps:
(1) PS resin is toasted 2.5h at 85 DEG C of temperature, for subsequent use;
(2) take the PS resin after baking and all the other raw materials by weight ratio, put into the blended 9min of high-speed mixer, obtain mixture;
(3) mixture is dropped into twin screw extruder through melt extruding, granulation;
(4) toast 2.2h by the particle 85 DEG C of temperature produced, obtained antistatic PS is material modified.
In described step (3), the concrete technology parameter of twin screw extruder is: district's temperature 195 DEG C, two district's temperature 198 DEG C, three district's temperature 198 DEG C, four district's temperature 198 DEG C, five district's temperature 198 DEG C, six district's temperature 198 DEG C, seven district's temperature 206 DEG C, eight district's temperature 206 DEG C, nine district's temperature 206 DEG C, die head temperature 215 DEG C, pressure 16MPa, screw speed 340R/min, residence time 2min.
Embodiment 5
A kind of antistatic PS is material modified, the material modified raw material comprising following weight part of described antistatic PS:
PS resin 95 parts
15 parts, static inhibitor
SBS resin 15 parts
PETS0.15 part
Diffusing oil 0.3 part
Zinic stearas 1.5 parts
1.5 parts, oxidation inhibitor;
Wherein, the mixture that is made up of with weight ratio 3.2:1 at the carbon fiber of 100nm at carbon black and the filament diameter of 50nm particle diameter of described static inhibitor.
Described PS resin be fusing point 245 DEG C, density is at 1.06g/cm
3polystyrene resin.
The mixture that described PETS is made up of with weight ratio 1:2 at the PETS-4 of 65 DEG C at 35mgKOH/g, fusing point in the PETS-3 of 60 DEG C and hydroxyl value at 65mgKOH/g, fusing point hydroxyl value.
Described SBS resin is that the content of styrene units is 30%, the content of butadiene unit is the styrene-butadiene-styrene block copolymer of 70%.
Described diffusing oil is that density is at 0.87g/cm
3, viscosity is at the diffusing oil of 1000mPas, acid number≤4mgKOH/g, amine value≤2mgKOH/g.
The mixture that described oxidation inhibitor is made up of with weight ratio 2:1 antioxidant 1010 and irgasfos 168.
Described antistatic PS is material modified also comprises weighting agent 20 parts and impact modifier 5 parts, and described weighting agent is that particle diameter is at 10nm and through the nano-calcium carbonate of silane coupling agent process; Described impact modifier is the mixture that the chlorinatedpolyethylene of 45% and the ethylene-vinyl acetate copolymer of vinyl acetate between to for plastic unit content 25% form with weight ratio 2.5:1 by chlorinity.
Described antistatic PS is material modified also comprises fire retardant 5 parts, slipping agent 0.15 part and 0.05 part, pigment powder; The mixture that described fire retardant is made up of with weight ratio 1.5:1 antimonous oxide and zinc borate; Described slipping agent is the mixture be made up of with weight ratio 2.5:1.2:1 erucicamide, amine hydroxybenzene and N, N'-ethylene bis stearamide; Described pigment powder is particle diameter at the titanium dioxide of 5 μm; The mixture that described titanium dioxide is made up of with weight ratio 1:2.5 Rutile type Titanium Dioxide and anatase thpe white powder.
The preparation method that antistatic PS is material modified, comprises the steps:
(1) PS resin is toasted 2-4h at 70-90 DEG C of temperature, for subsequent use;
(2) take the PS resin after baking and all the other raw materials by weight ratio, put into the blended 5-10min of high-speed mixer, obtain mixture;
(3) mixture is dropped into twin screw extruder through melt extruding, granulation;
(4) toast 2-3h by the particle 70-90 DEG C temperature produced, obtained antistatic PS is material modified.
In described step (3), the concrete technology parameter of twin screw extruder is: district's temperature 200 DEG C, two district's temperature 200 DEG C, three district's temperature 200 DEG C, four district's temperature 200 DEG C, five district's temperature 200 DEG C, six district's temperature 200 DEG C, seven district's temperature 210 DEG C, eight district's temperature 210 DEG C, nine district's temperature 210 DEG C, die head temperature 220 DEG C, pressure 18MPa, screw speed 350R/min, residence time 3min.
The antistatic PS obtained by embodiment 1-5 is material modified utilizes injection molding technique to be prepared into test bars according to national standard, carry out batten performance test, testing method is: tensile property test is undertaken by ISO-527-2, specimen size 150*10*4mm, and draw speed is 50mm/min; Flexural strength is undertaken by ISO178, specimen size 80*10*4mm, and rate of bending is 2mm/min, and span is 64mm; Simple beam impact strength is undertaken by ISO179, specimen size 80*6*4mm, and notch depth is 1/3rd of sample thickness; Heat-drawn wire is undertaken by ISO75, specimen size 120*10*3mm, and load is 1.8MPa; Melting index is according to ISO1133.The material modified test result of the antistatic PS that embodiment 1-5 obtains is as shown in table 1.
Table 1
| Test event | Existing antistatic PS material | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Surface resistivity (Ω) | 5.6×10 9 | 8.6×10 7 | 7.1×10 6 | 2.5×10 5 | 6.3×10 6 | 8.1×10 7 |
| Notched Izod impact strength (KJ/m 2） | 3.1 | 5.1 | 5.6 | 6.4 | 5.8 | 5.2 |
| Heat-drawn wire (DEG C) | 64 | 88 | 92 | 96 | 94 | 90 |
| Tensile strength (MPa) | 36 | 24 | 26 | 30 | 28 | 25 |
| Flexural strength (MPa) | 72 | 2020 | 2050 | 2100 | 2080 | 2015 |
| UL94 flame retardant rating | V2 | V0 | V0 | V0 | V0 | V0 |
As can be seen from Table 1, on the material modified basis keeping material shock resistance of antistatic PS of the present invention, the antistatic property of material can be significantly improved, and processing characteristics is better, excellent combination property.
Antistatic PS of the present invention is material modified to carry out blending and modifying improve material modified antistatic, processing characteristics and shock resistance by adding static inhibitor, SBS resin and PETS, make the material modified surface resistivity of antistatic PS reach 5-8 the order of magnitude, significantly improve compared with existing antistatic PS material.
Above-described embodiment is the present invention's preferably implementation, and in addition, the present invention can also realize by alternate manner, and any apparent replacement is all within protection scope of the present invention without departing from the inventive concept of the premise.
Claims (10)
1. an antistatic PS is material modified, it is characterized in that: the material modified raw material comprising following weight part of described antistatic PS:
PS resin 60-95 part
Static inhibitor 5-15 part
SBS resin 5-15 part
PETS0.05-0.15 part
Diffusing oil 0.1-0.3 part
Zinic stearas 1-1.5 part
Oxidation inhibitor 0.2-1.5 part;
Wherein, the mixture that is made up of with weight ratio 2.4-3.2:1 at the carbon fiber of 50-100nm at carbon black and the filament diameter of 10-50nm particle diameter of described static inhibitor.
2. the antistatic PS of one according to claim 1 is material modified, it is characterized in that: described PS resin be fusing point 235-245 DEG C, density is at 1.03-1.06g/cm
3polystyrene resin.
3. the antistatic PS of one according to claim 1 is material modified, it is characterized in that: the mixture that described PETS is made up of with weight ratio 1:1-2 at the PETS-4 of 55-65 DEG C at 25-35mgKOH/g, fusing point in the PETS-3 of 50-60 DEG C and hydroxyl value at 55-65mgKOH/g, fusing point hydroxyl value.
4. the antistatic PS of one according to claim 1 is material modified, it is characterized in that: described SBS resin is that the content of styrene units is 10%-30%, the content of butadiene unit is the styrene-butadiene-styrene block copolymer of 70%-90%.
5. the antistatic PS of one according to claim 1 is material modified, it is characterized in that: described diffusing oil is that density is at 0.83-0.87g/cm
3, viscosity is at the diffusing oil of 500-1000mPas, acid number≤4mgKOH/g, amine value≤2mgKOH/g.
6. the antistatic PS of one according to claim 1 is material modified, it is characterized in that: the mixture that described oxidation inhibitor is made up of with weight ratio 1-2:1 antioxidant 1010 and irgasfos 168.
7. the antistatic PS of one according to claim 1 is material modified, it is characterized in that: described antistatic PS is material modified also comprises weighting agent 10-20 part and impact modifier 1-5 part, described weighting agent is that particle diameter is at 1-10nm and through the nano-calcium carbonate of silane coupling agent process; Described impact modifier is the mixture that the chlorinatedpolyethylene of 25%-45% and the ethylene-vinyl acetate copolymer of vinyl acetate between to for plastic unit content 5%-25% form with weight ratio 1.5-2.5:1 by chlorinity.
8. the antistatic PS of one according to claim 1 is material modified, it is characterized in that: described antistatic PS is material modified also comprises fire retardant 1-5 part, slipping agent 0.05-0.15 part and pigment powder 0.01-0.05 part; The mixture that described fire retardant is made up of with weight ratio 0.5-1.5:1 antimonous oxide and zinc borate; Described slipping agent is the mixture be made up of with weight ratio 1.5-2.5:0.8-1.2:1 erucicamide, amine hydroxybenzene and N, N'-ethylene bis stearamide; Described pigment powder is particle diameter at the titanium dioxide of 1-5 μm; The mixture that described titanium dioxide is made up of with weight ratio 1:1.5-2.5 Rutile type Titanium Dioxide and anatase thpe white powder.
9. the preparation method that a kind of antistatic PS as described in any one of claim 1-8 is material modified, is characterized in that: comprise the steps:
(1) PS resin is toasted 2-4h at 70-90 DEG C of temperature, for subsequent use;
(2) take the PS resin after baking and all the other raw materials by weight ratio, put into the blended 5-10min of high-speed mixer, obtain mixture;
(3) mixture is dropped into twin screw extruder through melt extruding, granulation;
(4) toast 2-3h by the particle 70-90 DEG C temperature produced, obtained antistatic PS is material modified.
10. the preparation method that a kind of antistatic PS according to claim 9 is material modified, it is characterized in that: in described step (3), the concrete technology parameter of twin screw extruder is: a district temperature 180-200 DEG C, two district temperature 190-200 DEG C, three district temperature 190-200 DEG C, four district temperature 190-200 DEG C, five district temperature 190-200 DEG C, six district temperature 190-200 DEG C, seven district temperature 195-210 DEG C, eight district temperature 195-210 DEG C, nine district temperature 195-210 DEG C, die head temperature 200-220 DEG C, pressure 12-18MPa, screw speed 280-350R/min, residence time 2-3min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510862511.9A CN105315566A (en) | 2015-11-30 | 2015-11-30 | Antistatic PS modified material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510862511.9A CN105315566A (en) | 2015-11-30 | 2015-11-30 | Antistatic PS modified material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105315566A true CN105315566A (en) | 2016-02-10 |
Family
ID=55243936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510862511.9A Pending CN105315566A (en) | 2015-11-30 | 2015-11-30 | Antistatic PS modified material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105315566A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106009354A (en) * | 2016-08-01 | 2016-10-12 | 苏州创新达成塑胶模具有限公司 | Medical plastic colorimetric tube |
| CN107118486A (en) * | 2017-06-12 | 2017-09-01 | 嘉兴市赛腾新材料科技有限公司 | Militaryl package material super high impact polystyrene modified plastics and preparation method thereof |
| CN108329610A (en) * | 2018-01-18 | 2018-07-27 | 青岛国恩科技股份有限公司 | A kind of antistatic PS modified materials of plastics sucking plate timber-used and preparation method thereof |
| 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 |
| CN113185784A (en) * | 2021-04-26 | 2021-07-30 | 上海方乾科技有限公司 | Antistatic PS modified material and preparation method thereof |
| CN114031863A (en) * | 2021-10-27 | 2022-02-11 | 山东鲁泰控股集团有限公司石墨烯高分子复合材料研发中心 | High-conductivity PS/HDPE composite material and preparation method thereof |
| CN115556443A (en) * | 2022-09-29 | 2023-01-03 | 常州市贝美家居科技有限公司 | Light sound-insulation wallboard and production process thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585429A (en) * | 2011-01-11 | 2012-07-18 | 合肥杰事杰新材料股份有限公司 | Resin material, preparation method and applications of resin material |
| CN102634158A (en) * | 2012-04-27 | 2012-08-15 | 东莞市信诺橡塑工业有限公司 | Permanent antistatic polystyrene composite material and preparation method thereof |
| CN102702634A (en) * | 2012-01-19 | 2012-10-03 | 五行材料科技（江苏）有限公司 | Composition for processing polystyrene porous material, polystyrene porous material and preparation method thereof |
| CN103059495A (en) * | 2012-12-28 | 2013-04-24 | 安徽科聚新材料有限公司 | Flame-retardant antistatic impact-resistant polystyrene material and preparation method thereof |
| CN104177747A (en) * | 2014-07-01 | 2014-12-03 | 西安昆仑工业装备配套有限公司 | Modified plastic and preparation method thereof |
| CN105001541A (en) * | 2015-08-04 | 2015-10-28 | 金宝丽科技（苏州）有限公司 | High-tenacity PS composite sheet with anti-static function and preparation method thereof |
-
2015
- 2015-11-30 CN CN201510862511.9A patent/CN105315566A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585429A (en) * | 2011-01-11 | 2012-07-18 | 合肥杰事杰新材料股份有限公司 | Resin material, preparation method and applications of resin material |
| CN102702634A (en) * | 2012-01-19 | 2012-10-03 | 五行材料科技（江苏）有限公司 | Composition for processing polystyrene porous material, polystyrene porous material and preparation method thereof |
| CN102634158A (en) * | 2012-04-27 | 2012-08-15 | 东莞市信诺橡塑工业有限公司 | Permanent antistatic polystyrene composite material and preparation method thereof |
| CN103059495A (en) * | 2012-12-28 | 2013-04-24 | 安徽科聚新材料有限公司 | Flame-retardant antistatic impact-resistant polystyrene material and preparation method thereof |
| CN104177747A (en) * | 2014-07-01 | 2014-12-03 | 西安昆仑工业装备配套有限公司 | Modified plastic and preparation method thereof |
| CN105001541A (en) * | 2015-08-04 | 2015-10-28 | 金宝丽科技（苏州）有限公司 | High-tenacity PS composite sheet with anti-static function and preparation method thereof |
Non-Patent Citations (4)
| Title |
|---|
| 《化工百科全书》编辑委员会: "《树脂与塑料 化工百科全书专业卷 上下》", 31 January 2003, 化学工业出版社 * |
| 朱洪法，主编: "《工业助剂手册（第1版）》", 30 June 2007, 金盾出版社 * |
| 杨东武，等: "《塑料材料选用技术》", 31 January 2008, 中国轻工业出版社 * |
| 钱知勉，等: "《塑料助剂手册》", 30 September 1985, 上海科学技术文献出版社 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106009354A (en) * | 2016-08-01 | 2016-10-12 | 苏州创新达成塑胶模具有限公司 | Medical plastic colorimetric tube |
| CN107118486A (en) * | 2017-06-12 | 2017-09-01 | 嘉兴市赛腾新材料科技有限公司 | Militaryl package material super high impact polystyrene modified plastics and preparation method thereof |
| CN108329610A (en) * | 2018-01-18 | 2018-07-27 | 青岛国恩科技股份有限公司 | A kind of antistatic PS modified materials of plastics sucking plate timber-used and preparation method thereof |
| 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 |
| CN113185784A (en) * | 2021-04-26 | 2021-07-30 | 上海方乾科技有限公司 | Antistatic PS modified material and preparation method thereof |
| CN114031863A (en) * | 2021-10-27 | 2022-02-11 | 山东鲁泰控股集团有限公司石墨烯高分子复合材料研发中心 | High-conductivity PS/HDPE composite material and preparation method thereof |
| CN115556443A (en) * | 2022-09-29 | 2023-01-03 | 常州市贝美家居科技有限公司 | Light sound-insulation wallboard and production process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105315566A (en) | Antistatic PS modified material and preparation method thereof | |
| CN105482415B (en) | A kind of antistatic PC/ABS modified materials and preparation method thereof | |
| CN105315557A (en) | Antistatic PP modified material and preparation method thereof | |
| CN103059464B (en) | High tenacity and environment-friendly polyvinyl chloride (PVC) modified materials and preparation method thereof | |
| CN102766299B (en) | Anti-impacting anti-ageing modified polypropylene material and preparation method thereof | |
| CN105440505A (en) | PVC (polyvinyl chloride) foam material for sole and preparation method of PVC foam material | |
| CN105623180B (en) | Halogen-free flame retardant thermoplastic elastomer material and preparation method thereof for electric wire | |
| CN101230171B (en) | High electric-property high temperature resistant wearable environment protection plastic insulating material | |
| CN105482310A (en) | Antistatic PVC (polyvinyl chloride) modified material and preparation method thereof | |
| CN104231509B (en) | Environment-friendly modified ASA profile shapes antenna for base station outer cover and preparation method thereof | |
| CN103396607A (en) | Flame-retardant and reinforced antistatic PP composite material and preparation method thereof | |
| CN106947187A (en) | A kind of sunlight fabric is material modified and preparation method thereof with PVC | |
| CN105419167A (en) | Carpet environmental protection PVC modified material and preparation method therefor | |
| CN103333406A (en) | Modified intumescent flame-retardant polypropylene composition and preparation method thereof | |
| CN103897294A (en) | Polyvinyl chloride cable material | |
| CN105419168A (en) | Medical environmental protection PVC modified material and preparation method therefor | |
| CN104497472A (en) | Antistatic ABS (acrylonitrile-butadiene-styrene) modified material and preparation method thereof | |
| CN102993621B (en) | A kind of HI high impact, high-heat-resisting glass-fiber strengthen flame-retardant ABS compound material and preparation technology thereof | |
| CN101787190A (en) | Flame-retarding environment-friendly high-intensity PC-AS composite material and preparation method thereof | |
| CN102911457A (en) | Acrylonitrile butadiene styrene (ABS) blending modification polyvinyl chloride (PVC) spool and preparation method thereof | |
| CN101003661A (en) | Fire retardant modified ABS resin with high surface hardness | |
| CN103483690A (en) | Modified polypropylene composite material | |
| CN101704983A (en) | High-performance flame-resistant ABS resin and preparation method thereof | |
| CN103524997A (en) | Modified ABS hollow glass bead filling material | |
| CN107698891A (en) | A kind of food grade PVC glued membrane and its calendering technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170117 Address after: 464000 Gushi County, Henan Province, Henan Industrial Zone, the new Mstar Technology Ltd, Applicant after: Henan new Mstar Technology Ltd Address before: 523000 Guangdong province Houjie town of Dongguan City, Dongguan City, Da Jing Village Industrial Zone Group Sun Plastic Technology Co. Ltd. pine Applicant before: Dongguan Song Shen Plastics Technology Co., Ltd. |
|
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160210 |
|
| RJ01 | Rejection of invention patent application after publication |