CN109721866A - A kind of polystyrene material and preparation method thereof - Google Patents
A kind of polystyrene material and preparation method thereof Download PDFInfo
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- CN109721866A CN109721866A CN201711055045.9A CN201711055045A CN109721866A CN 109721866 A CN109721866 A CN 109721866A CN 201711055045 A CN201711055045 A CN 201711055045A CN 109721866 A CN109721866 A CN 109721866A
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Abstract
The invention belongs to technical field of polymer materials, more particularly to a kind of polystyrene material and preparation method thereof, the polystyrene material is prepared by weight by following components: 50-100 parts of polystyrene, 5-35 parts of styrene butadiene thermoplasticelastomer, synergistic colours reinforcing agent 3-10 parts, 0.5-5 parts of color master-batch, 0.1-0.5 parts of antioxidant, 0.1-1.0 parts of ethylene-vinyl acetate copolymer.The present invention is used using color master-batch, synergistic coloring reinforcing agent collaboration, and while material keeps mechanics stability, making material integrally has extraordinary colorability, good toner dispersibility.The advantages of invention is that product colour is bright-coloured, is evenly distributed, and property retention is good, has good color homogeneity.
Description
Technical field
The invention belongs to technical field of polymer materials, and in particular to a kind of polystyrene material and preparation method thereof.
Background technique
Common polystyrene is amorphous random polyme, has excellent insulation, insulation and the transparency, is used for a long time
0~70 DEG C of temperature.With continually developing for its application, people propose higher, more specific requirement to polystyrene, for example,
People have more pursuits for the color of product, and this requires rapidoprints to have various bright-coloured appearances.People at present
Mainly addition toner realizes the color requirements of material in the material, but since toner disperses very not in enhancing system
The uniformly problem that causes material color inconsistent, and due to the addition of toner be easy to cause glass and polystyrene resin it
Between interfacial separation so that the mechanical performance decline of material is obvious.
Therefore, a kind of bright polystyrene material and its modification technology and the evenly dispersed side of pigment are developed
Method is of great significance to the resultant performance enhancements of modified polystyrene, technological improvement and practical application.
Summary of the invention
The object of the present invention is to provide a kind of polystyrene materials and preparation method thereof.
In order to achieve the object of the present invention, the present invention provides a kind of polystyrene materials, by weight by following components
Part is prepared:
Further scheme, the polystyrene inherent viscosity are 3-4dl/g.
The synergistic coloring reinforcing agent is inorganic crystal whisker.
The inorganic crystal whisker is aluminium borate whisker, potassium titanate crystal whisker with the scalemic thereof of 10:1 (mass ratio).
The color master-batch is made of by weight following components:
99 parts of ultra-low viscosity polystyrene
0-20 parts of titanium dioxide
0-2 parts of blue or green blue
0-2 parts of dark green
0-5 parts of titanium yellow powder
0.01-1 parts of carbon black
0-2 parts of iron oxide red.
The ultra-low viscosity polystyrene inherent viscosity is 1.5-1.8dl/g；The carbon black is that activating surface is dustless
Carbon black.
The antioxidant is N, N'- is bis--(3- (3,5- di-tert-butyl-hydroxy phenyl) propiono) hexamethylene diamine and phosphorous
The mixture of sour three (2,4- di-tert-butyl-phenyl) esters.
Another goal of the invention of the invention is to provide a kind of preparation method of polystyrene material comprising following step
It is rapid:
(1) dried following components is weighed: 50-100 parts of polystyrene, styrene butadiene thermoplasticelastomer 5-
35 parts, synergistic colours reinforcing agent 3-10 parts, and 0.5-5 parts of color master-batch, 0.1-0.5 parts of antioxidant, ethylene-vinyl acetate is copolymerized
0.1-1.0 parts of object；
(2) polystyrene weighed up, synergistic coloring reinforcing agent, color master-batch, antioxidant and ethylene-vinyl acetate are total to
Polymers is uniformly mixed by high-speed mixer, speed of agitator 900r/min, 2~10min of incorporation time；
(3) raw material mixed is added in double screw extruder, then by styrene butadiene thermoplasticelastomer from
Its glass fiber opening is added, and is granulated through melting extrusion, and polystyrene material is made；One area's temperature of the double screw extruder is 200-
230 DEG C, two area's temperature are 200-230 DEG C, and three area's temperature are 200-235 DEG C, and four area's temperature are 210-235 DEG C, and five area's temperature are
210-220 DEG C, six area's temperature are 220-230 DEG C；The revolving speed of double screw extruder is 200-500rpm.
Further scheme, the preparation method of the color master-batch the following steps are included:
By 99 parts of ultra-low viscosity polystyrene, 0-20 parts of titanium dioxide, 0-2 parts of blue or green blue, 0-2 parts of dark green, titanium yellow powder 0-5
Part, 0.01-1 parts of carbon black, 0-2 parts of iron oxide red, high-speed mixer is added and is uniformly mixed, then the extruding pelletization in double screw extruder
Obtain color master-batch；The wherein processing conditions of double screw extruder are as follows: area's temperature is 200-230 DEG C, and two area's temperature are 200-
230 DEG C, three area's temperature are 200-235 DEG C, and four area's temperature are 210-235 DEG C, and five area's temperature are 210-220 DEG C, and six area's temperature are
220-230℃；Twin-screw engine speed is 250-500rpm.
Beneficial effects of the present invention:
Present invention introduces the polystyrene of low viscosity, ensure that the mobility and processability of material entirety；Synergistic coloring increases
While strong agent makes material keep mechanics stability, making material integrally has extraordinary colorability, good toner
Dispersibility.
Styrene butadiene thermoplasticelastomer is to compound toughener, toughening effect with ethylene-vinyl acetate copolymer
It is excellent.
The present invention is used using color master-batch, synergistic coloring reinforcing agent collaboration, and material keeps the same of mechanics stability
When, making material integrally has extraordinary colorability, good toner dispersibility.The advantages of invention is that product colour is bright-coloured,
It is evenly distributed, property retention is good, has good color homogeneity.
Specific embodiment
The following describes the present invention further through the description of specific embodiments, but it is to limit of the invention that this, which is not,
System, those skilled in the art's basic thought according to the present invention can make various modifications or improvements, but without departing from this
The basic thought of invention, is all within the scope of the present invention.
Polystyrene inherent viscosity is 3-4dl/g.
It is aluminium borate whisker, potassium titanate crystal whisker with the scalemic thereof of 10:1 (mass ratio) that synergistic, which colours reinforcing agent,.
Ultra-low viscosity polystyrene inherent viscosity is 1.5-1.8dl/g.
Carbon black is activating surface free flowing black.
Testing standard:
| Physical property | Test method |
| Tensile strength | ASTM D638 |
| Izod notch impact strength (izodtest) | ASTM D206 |
| Bending strength | ASTM D790 |
| Bending modulus | ASTM D790 |
| Toner disperses (tinting strength, tinting power) grade | UL94 range estimation |
Embodiment 1
(1) by 99 parts of ultra-low viscosity polystyrene, 1 part of carbon black, it is equal that high-speed mixer mixing the preparation of color master-batch: is added
Even, then extruding pelletization obtains color master-batch in double screw extruder.The processing conditions of double screw extruder an are as follows: Qu Wendu
It is 200 DEG C, two area's temperature are 205 DEG C, and three area's temperature are 210 DEG C, and four area's temperature are 220 DEG C, and five area's temperature are 220 DEG C, 6th area
Temperature is 220 DEG C；Twin-screw engine speed is 300rpm.
(2) preparation of polystyrene material: dried following components is weighed by mass parts: 73 parts of polystyrene, benzene second
Alkene -20 parts of butadiene thermoplastic elastomer, 5 parts of reinforcing agent of synergistic coloring, 1 part of color master-batch, 0.5 part of antioxidant, ethyl vinyl acetate
0.5 part of vinyl ester copolymers；The polystyrene weighed up, synergistic are coloured into reinforcing agent, color master-batch, antioxidant, ethyl vinyl acetate second
Enoate copolymer is uniformly mixed by high-speed mixer, speed of agitator 900r/min, 2~10min of incorporation time；It will mix
Raw material be added in double screw extruder, then by styrene butadiene thermoplasticelastomer from its glass fiber opening be added, through melting
Polystyrene material is made in extruding pelletization.The processing conditions of double screw extruder are as follows: area's temperature is 200 DEG C, and two area's temperature are
205 DEG C, three area's temperature are 210 DEG C, and four area's temperature are 220 DEG C, and five area's temperature are 220 DEG C, and six area's temperature are 220 DEG C；Twin-screw
Engine speed is 300rpm.
Embodiment 2
(1) preparation of color master-batch: by 99 parts of ultra-low viscosity polystyrene, 15 parts of titanium dioxide, 0.5 part of dark green, iron oxide red
1.0 parts, 0.01 part of addition high-speed mixer of carbon black is uniformly mixed, and then extruding pelletization obtains color masterbatch in double screw extruder
Grain.The processing conditions of double screw extruder are as follows: area's temperature is 200 DEG C, and two area's temperature are 205 DEG C, and three area's temperature are 210 DEG C,
Four area's temperature are 220 DEG C, and five area's temperature are 220 DEG C, and six area's temperature are 220 DEG C；Twin-screw engine speed is 300rpm.
(2) preparation of polystyrene material: dried following components is weighed by mass parts: 50 parts of polystyrene, benzene second
Alkene -35 parts of butadiene thermoplastic elastomer, 10 parts of reinforcing agent of synergistic coloring, 5 parts of color master-batch, 0.1 part of antioxidant, ethylene-vinegar
1.0 parts of vinyl acetate copolymer；The polystyrene weighed up, synergistic are coloured into reinforcing agent, color master-batch, antioxidant, ethyl vinyl acetate
Vinyl ester copolymers are uniformly mixed by high-speed mixer, speed of agitator 900r/min, 2~10min of incorporation time；It will mixing
Good raw material is added in double screw extruder, then styrene butadiene thermoplasticelastomer is added from its glass fiber opening, through molten
Melt extruding pelletization, polystyrene material is made.The processing conditions of double screw extruder are as follows: area's temperature is 230 DEG C, two area's temperature
It is 230 DEG C, three area's temperature are 235 DEG C, and four area's temperature are 235 DEG C, and five area's temperature are 210 DEG C, and six area's temperature are 230 DEG C；Double spiral shells
Bar engine speed is 500rpm.
Embodiment 3
(1) preparation of color master-batch: by 99 parts of ultra-low viscosity polystyrene, 20 parts of titanium dioxide, 5 parts of titanium yellow powder, iron oxide red 2
Part, 2 parts of blue or green blue, 2 parts of dark green, 0.01 part of addition high-speed mixer of carbon black is uniformly mixed, then in double screw extruder
Extruding pelletization obtains color master-batch.The processing conditions of double screw extruder are as follows: area's temperature is 200 DEG C, and two area's temperature are 205
DEG C, three area's temperature are 210 DEG C, and four area's temperature are 220 DEG C, and five area's temperature are 210 DEG C, and six area's temperature are 230 DEG C；Twin-screw host
Revolving speed is 300rpm.
(2) preparation of polystyrene material: dried following components is weighed by mass parts: 100 parts of polystyrene, benzene second
Alkene -5 parts of butadiene thermoplastic elastomer, 3 parts of reinforcing agent of synergistic coloring, 0.5 part of color master-batch, 0.3 part of antioxidant, ethylene-vinegar
0.1 part of vinyl acetate copolymer；The polystyrene weighed up, synergistic are coloured into reinforcing agent, color master-batch, antioxidant, ethyl vinyl acetate
Vinyl ester copolymers are uniformly mixed by high-speed mixer, speed of agitator 900r/min, 2~10min of incorporation time；It will mixing
Good raw material is added in double screw extruder, then styrene butadiene thermoplasticelastomer is added from its glass fiber opening, through molten
Melt extruding pelletization, polystyrene material is made.The processing conditions of double screw extruder are as follows: area's temperature is 210 DEG C, two area's temperature
It is 215 DEG C, three area's temperature are 220 DEG C, and four area's temperature are 230 DEG C, and five area's temperature are 220 DEG C, and six area's temperature are 220 DEG C；Double spiral shells
Bar engine speed is 200rpm.
Comparative example 1
Difference with embodiment 1 is that toner auxiliary agent is not made into color master-batch.
Weigh dried following components by mass parts: 73 parts of polystyrene, 0.99 part of ultra-low viscosity polystyrene, carbon black
0.01 part, 20 parts of styrene butadiene thermoplasticelastomer, 5 parts of reinforcing agent of synergistic coloring, 0.5 part of antioxidant, ethyl vinyl acetate
0.5 part of vinyl ester copolymers；The polystyrene weighed up, ultra-low viscosity polystyrene, carbon black, synergistic are coloured into reinforcing agent, antioxygen
Agent, ethylene-vinyl acetate copolymer are uniformly mixed by high-speed mixer, speed of agitator 900r/min, and incorporation time 2~
10min；The raw material mixed is added in double screw extruder, then by styrene butadiene thermoplasticelastomer from its glass
Fine mouth is added, and is granulated through melting extrusion, and polystyrene material is made.The processing conditions of double screw extruder are as follows: area's temperature is
200 DEG C, two area's temperature are 205 DEG C, and three area's temperature are 210 DEG C, and four area's temperature are 220 DEG C, and five area's temperature are 220 DEG C, six Qu Wen
Degree is 220 DEG C；Twin-screw engine speed is 300rpm.
Comparative example 2
Difference with embodiment 1 is not plus synergistic colours reinforcing agent:
(1) by 99 parts of ultra-low viscosity polystyrene, 1 part of carbon black, it is equal that high-speed mixer mixing the preparation of color master-batch: is added
Even, then extruding pelletization obtains color master-batch in double screw extruder.The processing conditions of double screw extruder an are as follows: Qu Wendu
It is 200 DEG C, two area's temperature are 205 DEG C, and three area's temperature are 210 DEG C, and four area's temperature are 220 DEG C, and five area's temperature are 220 DEG C, 6th area
Temperature is 220 DEG C；Twin-screw engine speed is 300rpm.
(2) dried following components: polystyrene 73 preparation of fiberglass reinforced polystyrene material: is weighed by mass parts
Part, 20 parts of styrene butadiene thermoplasticelastomer, 1 part of color master-batch, 0.5 part of antioxidant, ethylene-vinyl acetate copolymerization
0.5 part of object；The polystyrene weighed up, color master-batch, antioxidant, ethylene-vinyl acetate copolymer are passed through into high-speed mixer
It is uniformly mixed, speed of agitator 900r/min, 2~10min of incorporation time；The raw material mixed is added to double screw extruder
In, styrene butadiene thermoplasticelastomer is added from glass fiber opening, is granulated through melting extrusion, and polystyrene material is made.Double spiral shells
The processing conditions of bar extruder are as follows: area's temperature is 200 DEG C, and two area's temperature are 205 DEG C, and three area's temperature are 210 DEG C, four Qu Wendu
It is 220 DEG C, five area's temperature are 220 DEG C, and six area's temperature are 220 DEG C；Twin-screw engine speed is 300rpm.
Comparative example 3
With embodiment 1 difference be toner auxiliary agent be not made into color master-batch and not plus synergistic coloring reinforcing agent.
Weigh dried following components by mass parts: 73 parts of polystyrene, 0.99 part of ultra-low viscosity polystyrene, carbon black
0.01 part, 20 parts of styrene butadiene thermoplasticelastomer, 0.5 part of antioxidant, 0.5 part of ethylene-vinyl acetate copolymer；
The polystyrene weighed up, ultra-low viscosity polystyrene, carbon black, antioxidant, ethylene-vinyl acetate copolymer is mixed by high speed
Conjunction machine is uniformly mixed, speed of agitator 900r/min, 2~10min of incorporation time；The raw material mixed is added to twin-screw to squeeze
Out in machine, then by styrene butadiene thermoplasticelastomer from its glass fiber opening be added, be granulated through melting extrusion, be made polyphenyl second
Alkene material.The processing conditions of double screw extruder are as follows: area's temperature is 200 DEG C, and two area's temperature are 205 DEG C, and three area's temperature are 210
DEG C, four area's temperature are 220 DEG C, and five area's temperature are 220 DEG C, and six area's temperature are 220 DEG C；Twin-screw engine speed is 300rpm.
Fiberglass reinforced polystyrene material prepared by above-described embodiment 1-3 and comparative example 1-3 is tested according to GB mark respectively
Standard is molded into corresponding batten, is tested after then placing 24 hours in the environment of 23 ± 2 DEG C, 50 ± 5% relative humidity, property
It can test as follows:
1 performance data of table
It can be seen that the present invention is by improving toner auxiliary agent from the performance comparison of upper table 1 embodiment 1-3 and comparative example 1-3
For color master-batch form, while the addition of synergistic coloring reinforcing agent, in the mechanical property for effectively keeping fiberglass reinforcing polyester product
While, be conducive to the coloring of color master-batch, make that product colour is bright-coloured, is evenly distributed.
Embodiment described above is only that preferred embodiments of the present invention will be described, not to model of the invention
It encloses and is defined, without departing from the spirit of the design of the present invention, those of ordinary skill in the art are to technical side of the invention
The various changes and improvements that case is made, should fall within the scope of protection determined by the claims of the present invention.
Claims (10)
1. a kind of polystyrene material, which is characterized in that be prepared by weight by following components:
50-100 parts of polystyrene,
5-35 parts of styrene butadiene thermoplasticelastomer,
Synergistic colours reinforcing agent 3-10 parts,
0.5-5 parts of color master-batch,
0.1-0.5 parts of antioxidant,
0.1-1.0 parts of ethylene-vinyl acetate copolymer.
2. a kind of polystyrene material according to claim 1, it is characterised in that: the polystyrene inherent viscosity is
3-4dl/g。
3. a kind of polystyrene material according to claim 1, it is characterised in that: the synergistic coloring reinforcing agent is nothing
Machine whisker.
4. a kind of polystyrene material according to claim 3, it is characterised in that: the inorganic crystal whisker is aluminum borate crystal whisker
Palpus, the potassium titanate crystal whisker mixture of 10:1 in mass ratio.
5. a kind of polystyrene material according to claim 1, which is characterized in that the color master-batch is by following components
It forms by weight:
99 parts of ultra-low viscosity polystyrene,
0-20 parts of titanium dioxide,
0-2 parts of blue or green blue,
0-2 parts of dark green,
0-5 parts of titanium yellow powder,
0.01-1 parts of carbon black,
0-2 parts of iron oxide red.
6. a kind of polystyrene material according to claim 5, it is characterised in that: the ultra-low viscosity polystyrene is special
Property viscosity be 1.5-1.8dl/g.
7. a kind of polystyrene material according to claim 5, it is characterised in that: the carbon black is that activating surface is dustless
Carbon black.
8. a kind of polystyrene material according to claim 1, it is characterised in that: the antioxidant is N, N'- is bis--
The mixing of (3- (3,5- di-tert-butyl-hydroxy phenyl) propiono) hexamethylene diamine and phosphorous acid three (2,4- di-tert-butyl-phenyl) ester
Object.
9. a kind of preparation method of the described in any item polystyrene materials of claim 1 ~ 8, which is characterized in that including following step
It is rapid:
(1) dried following components is weighed: 50-100 parts of polystyrene, styrene butadiene thermoplasticelastomer 5-35
Part, reinforcing agent 3-10 parts of synergistic coloring, 0.5-5 parts of color master-batch, 0.1-0.5 parts of antioxidant, ethylene-vinyl acetate copolymer
0.1-1.0 parts；
(2) by the polystyrene weighed up, synergistic coloring reinforcing agent, color master-batch, antioxidant and ethylene-vinyl acetate copolymer
It is uniformly mixed by high-speed mixer, speed of agitator 900r/min, 2~10min of incorporation time；
(3) raw material mixed is added in double screw extruder, then by styrene butadiene thermoplasticelastomer from its glass
Fine mouth is added, and is granulated through melting extrusion, and polystyrene material is made；One area's temperature of the double screw extruder is 200-230
DEG C, two area's temperature are 200-230 DEG C, and three area's temperature are 200-235 DEG C, and four area's temperature are 210-235 DEG C, and five area's temperature are 210-
220 DEG C, six area's temperature are 220-230 DEG C；The revolving speed of double screw extruder is 200-500rpm.
10. a kind of preparation method of polystyrene material according to claim 9, which is characterized in that described in step (1)
The preparation method of Masterbatch the following steps are included:
By 99 parts of ultra-low viscosity polystyrene, 0-20 parts of titanium dioxide, 0-2 parts of blue or green blue, 0-2 parts of dark green, 0-5 parts of titanium yellow powder,
0.01-1 parts of carbon black, 0-2 parts of iron oxide red, high-speed mixer is added and is uniformly mixed, then extruding pelletization obtains in double screw extruder
To color master-batch；The wherein processing conditions of double screw extruder are as follows: area's temperature is 200-230 DEG C, and two area's temperature are 200-230
DEG C, three area's temperature are 200-235 DEG C, and four area's temperature are 210-235 DEG C, and five area's temperature are 210-220 DEG C, and six area's temperature are 220-
230℃；Twin-screw engine speed is 250-500rpm.
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| CN201711055045.9A CN109721866A (en) | 2017-10-31 | 2017-10-31 | A kind of polystyrene material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111978653A (en) * | 2020-07-15 | 2020-11-24 | 日彩复合塑料(深圳)有限公司 | Polystyrene plastic particle and preparation process thereof |
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| CN102070853A (en) * | 2011-01-05 | 2011-05-25 | 广州市波斯塑胶颜料有限公司 | Foamed polystyrene curtain plate sheet and manufacturing method thereof |
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Application publication date: 20190507 |