CN106751312A - A kind of modified propylene nitrile styrol copolymer and preparation method thereof - Google Patents
A kind of modified propylene nitrile styrol copolymer and preparation method thereof Download PDFInfo
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- CN106751312A CN106751312A CN201610996939.7A CN201610996939A CN106751312A CN 106751312 A CN106751312 A CN 106751312A CN 201610996939 A CN201610996939 A CN 201610996939A CN 106751312 A CN106751312 A CN 106751312A
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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
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/18—Homopolymers or copolymers of nitriles
- C08L33/20—Homopolymers or copolymers of acrylonitrile
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
Abstract
The invention discloses a kind of modified propylene nitrile styrol copolymer and preparation method thereof.The preparation method includes：Mixing acrylonitrile styrene copolymer, filler and processing aid obtain blend；The blend is added into extruder, and the secondary charge door traction addition glass fibre for passing through extruder by main charge door；With predetermined engine speed and extrusion processing temperature, the modified propylene nitrile styrol copolymer is generated by extruder mixing extrusion.Whole preparation process process is simple, preparing modified propylene nitrile styrene has excellent performance, and tensile strength, impact strength, bending strength and dimensional stability are outstanding, disclosure satisfy that severe applied environment requirement.
Description
Technical field
The present invention relates to acrylonitritrile-styrene resin preparing technical field, more particularly to a kind of modified propylene nitrile-benzene
Ethylene copolymer and preparation method thereof.
Background technology
Acrylonitritrile-styrene resin, is benzene second also known as AS resins (acrylonitrile-styrene copolymer)
The thermoplastic polymer that alkene (ST) and fine (AN) copolymerization of propylene are obtained.AS resins have excellent mechanical performance, its tensile strength,
Bending strength, bending modulus, hardness, dimensional stability are all relatively good, and transparency is high, also with excellent chemical-resistant resistance
Property, is the best resin of chemical proofing in phenylethylene resin series.
But existing acrylonitritrile-styrene resin is in some extraordinary occasions, because the performance of its own is limited, it is impossible to suitable
With.For example, air-conditioning fan blade needs to be worked under the adverse circumstances for colding and heat succeed each other, and fan blade is often in the situation of running at high speed,
It is higher to fan blade performance requirement.AS resins performance in itself is difficult to reach the use requirement of air-conditioning fan blade.Accordingly, it would be desirable to AS
Resin carries out enhancing and is modified, and improves the performance of AS resins to meet the harsh use environment and performance requirement of fan blade.Existing one
The technical scheme of a little performances for strengthening AS resins by way of increasing glass fibre in AS resins.
Realize it is of the invention during, inventor find that existing technical scheme provides by glass fiber reinforcement AS
The intensity of the AS resins of the glass fiber reinforcement that the preparation method of resin property is obtained is relatively low.In addition, for enhanced AS resins
Rigidity do not have deep discussion and research.
The content of the invention
Embodiment of the present invention mainly solving the technical problems that provide a kind of modified propylene nitrile-styrol copolymer and its
Preparation method, can solve the problem that acrylonitritrile-styrene resin performance is not enough in the prior art, it is impossible to be applied to harsh environment
Problem.
In order to solve the above technical problems, the technical scheme that embodiment of the present invention is used is：There is provided a kind of modified third
The preparation method of alkene nitrile-styrol copolymer.The method includes：
Mixing acrylonitritrile-styrene resin, filler and processing aid obtain blend；
The blend is added into extruder, and the secondary charge door traction addition glass for passing through extruder by main charge door
Glass fiber；
With predetermined engine speed and extrusion processing temperature, by extruder mixing extrusion generate the modified propylene nitrile-
Styrol copolymer.
Alternatively, it is described by the blend by barrel add extruder before, methods described also includes：
Add acrylonitritrile-styrene resin and drawn by the secondary charge door by main charge door and add glass fibers
Dimension；
By the extruder mixing extrusion, the tie rod pelletizing of stabilization is generated.
Alternatively, the engine speed of the extruder is 200RPM-350RPM.
Alternatively, the extrusion processing temperature is 160-250 DEG C.
Alternatively, the glass fibre be through the non-twist glass of alkali-free of coupling agent treatment, it is a diameter of 7-17 microns.
Alternatively, the processing aid includes：Compatilizer, antioxidant, lubricant and coupling agent.
Alternatively, by weight percentage, the raw material composition of the modified propylene nitrile-styrol copolymer is：
Alternatively, by weight percentage, the raw material composition of the modified propylene nitrile-styrol copolymer is：
Alternatively, by weight percentage, the raw material composition of the modified propylene nitrile-styrol copolymer is：
In order to solve the above technical problems, another technical scheme that embodiment of the present invention is used is：There is provided a kind of modified
It is prepared by acrylonitritrile-styrene resin, modified propylene nitrile-styrol copolymer application preparation method as described above.
Modified propylene nitrile-styrol copolymer the preparation method of the embodiment of the present invention, glass fibers are put into by secondary dog-house
The mode of dimension, reduces shear action of the extruder to glass fibre, so as to produce the glass prepared with high intensity, high rigidity
Fibre-reinforced modified propylene nitrile-styrol copolymer.Whole preparation process process is simple, prepares modified propylene nitrile-benzene
Ethene has excellent performance, and tensile strength, impact strength, bending strength and dimensional stability are outstanding, Neng Gouman
The severe applied environment requirement of foot.
Brief description of the drawings
Fig. 1 is the method flow diagram of the preparation method of modified propylene nitrile-styrol copolymer provided in an embodiment of the present invention.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the present invention, not
For limiting the present invention.
The embodiment of the invention provides a kind of modified propylene nitrile-styrol copolymer.Count by weight percentage, this is modified
The raw material of acrylonitritrile-styrene resin is constituted：
Wherein, count by weight percentage, the processing aid includes：0-5% compatilizers (in certain embodiments may not be used
Addition compatilizer), 0.1-1% antioxidant, 0.1-1% lubricants and 0.1-2% coupling agents.
The acrylonitritrile-styrene resin is base material component, the performance of its specifically used acrylonitritrile-styrene resin
It is related to the modified propylene nitrile-styrol copolymer for finally preparing.In certain embodiments, the acrylonitrile-styrene is total to
Polymers can be the mixture of single AS resins, or various different AS resins.Because the performance of base material component is determined
The intensity of final modified propylene nitrile-styrol copolymer is determined.Therefore, it can select use intensity higher as far as possible third
Alkene nitrile-styrol copolymer.
The glass fibre is main altered contents, and modified AS resins can be effectively improved by adding glass fibre
Performance.In certain embodiments, can select using the non-twist glass of alkali-free crossed through coupling agent treatment, a diameter of 7-17 is micro-
The glass fibre of rice.
Alternatively, described filler can be inorganic filler.The inorganic filler can be from such as calcium carbonate, talcum powder, mica
Deng one or more in filler.By adding the decentralization that filler can be with reinforced glass fiber in resin, glass fibers are made
Dimension uniformly can disperse in the substrate, reduces cost.In actual fabrication process, the filler mesh number for using is 600-2500
Mesh.
In preparation process, one or more suitable processing aids can also be used according to actual conditions.As above institute
State, the processing aid can include：Compatilizer, antioxidant, lubricant and coupling agent.
In certain embodiments, the coupling agent is silane coupler, such as KH550 or KH570.The compatilizer can be Malaysia
Anhydride-grafted polymers type compatilizer, such as maleic anhydride graft phenylethene-ABS polymer, maleic anhydride grafting
Ethylene-octene copolymer or maleic anhydride grafted ethene-vinyl acetate polymer etc..
Can increase the compatibility of both AS resins and glass fibre by adding compatilizer, increase both interfacial adhesions
Power, so as to contribute to glass dispersed in resin matrix, can preferably improve the modified AS resins based on glass fibre
Mechanical property.
Alternatively, the antioxidant can be four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters
(antioxidant 1010), three (2,4- di-tert-butyl-phenyl) phosphite esters (irgasfos 168), β-(3,5- di-t-butyl -4- hydroxy benzenes
Base) one or several in the positive octadecanol ester (antioxidant 1076) of propionic acid.
By adding antioxidant, it is prevented from extrusion process, polymer occurs under conditions of HTHP
Degraded, influence prepares product quality.
Alternatively, the lubricant can be the one kind in stearic acid, stearate, amide waxe or polyolefin-wax series lubricant agent
Or it is several.
Can improve the extrusion performance of polymer by adding lubricant, improve the surface flatness of product, reduce extrusion
The energy consumption of equipment, and contribute to glass fibre dispersed in resin.
Present invention also offers a kind of preparation method for preparing modified propylene nitrile-styrol copolymer.As shown in figure 1, should
Method comprises the following steps：
101：Mixing acrylonitritrile-styrene resin, filler and processing aid obtain blend.
In actual production process, the blend of above-mentioned raw materials can be obtained by various suitable modes, for example, passed through
High-speed mixer, at a temperature of 40-60 DEG C, mixes 3-6min, until obtaining well mixed blend.
Composition and/or ratio that said one embodiment is described or that multiple can be described in conjunction with the embodiments can specifically be added
The acrylonitritrile-styrene resin of example, filler and processing aid are mixed.It is of course also possible to use other suitable ratios
Example or specific composition.
102：The blend is added into extruder by main charge door, and drawn by the secondary charge door of extruder plus
Enter glass fibre.
In preparation method provided in an embodiment of the present invention, glass fibre is drawn by the secondary charge door different from blend
Add.Such glass fibre feed postition can reduce the shear action of the screw rod for glass fibre of extruder, Neng Goubao
The length of glass fibre is demonstrate,proved, making the modified AS resins of preparation has more excellent performance.
103：With predetermined engine speed and extrusion processing temperature, the modified propylene is generated by extruder mixing extrusion
Nitrile-styrol copolymer.
In embodiments of the present invention, AS resins are prepared using conventional extruding forming method.Extruder according to actual conditions,
Extrusion molding operation is completed with predetermined engine speed and extrusion processing temperature.Alternatively, the predetermined predetermined main frame turns
Speed could be arranged to 200RPM-350RPM, and the extrusion processing temperature could be arranged to 160-250 DEG C.
In an alternative embodiment of the invention, before adding blend to carry out extrusion molding, can also carry out following experimental
Step：Add a small amount of pure acrylonitritrile-styrene resin and drawn by the secondary charge door to main charge door and add glass
Glass fiber.Then, by the extruder mixing extrusion and tie rod is drawn.Finally, after pelletizing and determining tie rod after tie rod cooling
Whether pelletizing has stablized.After after tie rod pelletizing stabilization, blends described above is just added, prepare the modified propylene nitrile-benzene
Ethylene copolymer.By the advance experimental procedure, preparation process, energy can be just proceeded by after extruder output stabilization is ensured
Enough improve the quality of the modified propylene nitrile-styrol copolymer.
In certain embodiments, more operations can also be performed to the product of extruder mixing extrusion generation, for example, cold
But, drying, pelletizing (step 104) and injection moulding (step 105) etc., are used to obtain final products.
It is further explanation and the preparation side of explanation modified propylene nitrile-styrol copolymer provided in an embodiment of the present invention
Method, the embodiment of the preparation method of some modified propylene nitrile-styrol copolymers presented below.
Embodiment 1：
S1, by weight, weighs the following raw material component：It is 73.7 parts of AS resins, 20 parts of glass fibre, 3 parts of compatilizer, anti-
2 parts of 0.3 part of oxygen agent, 0.5 part of lubricant, 0.5 part of coupling agent and filler.
S2, the raw material components addition high-speed mixer that will remove glass fibre, at 40-60 DEG C, mix 3-7 minutes, obtain
Blend.
S3, blend is positioned in the feed hopper of double screw extruder and mixes again.
S4, will it is well mixed after blend add barrel, by double screw extruder extruding pelletization, in extruding pelletization
During, glass fibre is drawn by the secondary charge door of double screw extruder and added.
Wherein, the main frame of the double screw extruder switchs to 300-380RPM, and extrusion processing temperature is respectively：One area 160
~180 DEG C, two 160~180 DEG C of areas, three 170~190 DEG C of areas, four 180~200 DEG C of areas, five 180~200 DEG C of areas, six areas 190~
210 DEG C, seven 200~220 DEG C of areas, eight 200~220 DEG C of areas, nine 200~220 DEG C of areas, ten 220~230 DEG C of areas, head 220~
230℃。
Embodiment 2：
S1, by weight, weighs the following raw material component：It is 81.7 parts of AS resins, 12 parts of glass fibre, 3 parts of compatilizer, anti-
2 parts of 0.3 part of oxygen agent, 0.5 part of lubricant, 0.5 part of coupling agent and filler.
S2, the raw material components addition high-speed mixer that will remove glass fibre, at 40-60 DEG C, mix 3-7 minutes, obtain
Blend.
S3, blend is positioned in the feed hopper of double screw extruder and mixes again.
S4, will it is well mixed after blend add barrel, by double screw extruder extruding pelletization, in extruding pelletization
During, glass fibre is drawn by the secondary charge door of double screw extruder and added.
Wherein, the main frame of the double screw extruder switchs to 300-380RPM, and extrusion processing temperature is respectively：One area 160
~180 DEG C, two 160~180 DEG C of areas, three 170~190 DEG C of areas, four 180~200 DEG C of areas, five 180~200 DEG C of areas, six areas 190~
210 DEG C, seven 200~220 DEG C of areas, eight 200~220 DEG C of areas, nine 200~220 DEG C of areas, ten 220~230 DEG C of areas, head 220~
230℃。
Embodiment 3：
S1, by weight, weighs the following raw material component：It is 78.7 parts of AS resins, 15 parts of glass fibre, 3 parts of compatilizer, anti-
2 parts of 0.3 part of oxygen agent, 0.5 part of lubricant, 0.5 part of coupling agent and filler.
S2, the raw material components addition high-speed mixer that will remove glass fibre, at 40-60 DEG C, mix 3-7 minutes, obtain
Blend.
S3, blend is positioned in the feed hopper of double screw extruder and mixes again.
S4, will it is well mixed after blend add barrel, by double screw extruder extruding pelletization, in extruding pelletization
During, glass fibre is drawn by the secondary charge door of double screw extruder and added.
Wherein, the main frame of the double screw extruder switchs to 300-380RPM, and extrusion processing temperature is respectively：One area 160
~180 DEG C, two 160~180 DEG C of areas, three 170~190 DEG C of areas, four 180~200 DEG C of areas, five 180~200 DEG C of areas, six areas 190~
210 DEG C, seven 200~220 DEG C of areas, eight 200~220 DEG C of areas, nine 200~220 DEG C of areas, ten 220~230 DEG C of areas, head 220~
230℃。
Embodiment 4：
S1, by weight, weighs the following raw material component：It is 79.7 parts of AS resins, 12 parts of glass fibre, 5 parts of compatilizer, anti-
2 parts of 0.3 part of oxygen agent, 0.5 part of lubricant, 0.5 part of coupling agent and filler.
S2, the raw material components addition high-speed mixer that will remove glass fibre, at 40-60 DEG C, mix 3-7 minutes, obtain
Blend.
S3, blend is positioned in the feed hopper of double screw extruder and mixes again.
S4, will it is well mixed after blend add barrel, by double screw extruder extruding pelletization, in extruding pelletization
During, glass fibre is drawn by the secondary charge door of double screw extruder and added.
Wherein, the main frame of the double screw extruder switchs to 300-380RPM, and extrusion processing temperature is respectively：One area 160
~180 DEG C, two 160~180 DEG C of areas, three 170~190 DEG C of areas, four 180~200 DEG C of areas, five 180~200 DEG C of areas, six areas 190~
210 DEG C, seven 200~220 DEG C of areas, eight 200~220 DEG C of areas, nine 200~220 DEG C of areas, ten 220~230 DEG C of areas, head 220~
230℃。
Embodiment 5：
S1, by weight, weighs the following raw material component：76.7 parts of AS resins, 20 parts of glass fibre, 0.3 part of antioxidant,
2 parts of 0.5 part of lubricant, 0.5 part of coupling agent and filler.
S2, the raw material components addition high-speed mixer that will remove glass fibre, at 40-60 DEG C, mix 3-7 minutes, obtain
Blend.
S3, blend is positioned in the feed hopper of double screw extruder and mixes again.
S4, will it is well mixed after blend add barrel, by double screw extruder extruding pelletization, in extruding pelletization
During, glass fibre is drawn by the secondary charge door of double screw extruder and added.
Wherein, the main frame of the double screw extruder switchs to 300-380RPM, and extrusion processing temperature is respectively：One area 160
~180 DEG C, two 160~180 DEG C of areas, three 170~190 DEG C of areas, four 180~200 DEG C of areas, five 180~200 DEG C of areas, six areas 190~
210 DEG C, seven 200~220 DEG C of areas, eight 200~220 DEG C of areas, nine 200~220 DEG C of areas, ten 220~230 DEG C of areas, head 220~
230℃。
Embodiment 6：
S1, by weight, weighs the following raw material component：25 parts of high intensity AS resins, 48.7 parts of low-intensity AS resins, glass
2 parts of 20 parts of glass fiber, 3 parts of compatilizer, 0.3 part of antioxidant, 0.5 part of lubricant, 0.5 part of coupling agent and filler.
S2, the raw material components addition high-speed mixer that will remove glass fibre, at 40-60 DEG C, mix 3-7 minutes, obtain
Blend.
S3, blend is positioned in the feed hopper of double screw extruder and mixes again.
S4, will it is well mixed after blend add barrel, by double screw extruder extruding pelletization, in extruding pelletization
During, glass fibre is drawn by the secondary charge door of double screw extruder and added.
Wherein, the main frame of the double screw extruder switchs to 300-380RPM, and extrusion processing temperature is respectively：One area 160
~180 DEG C, two 160~180 DEG C of areas, three 170~190 DEG C of areas, four 180~200 DEG C of areas, five 180~200 DEG C of areas, six areas 190~
210 DEG C, seven 200~220 DEG C of areas, eight 200~220 DEG C of areas, nine 200~220 DEG C of areas, ten 220~230 DEG C of areas, head 220~
230℃。
Embodiment 7:
S1, by weight, weighs the following raw material component：72.2 parts of high intensity AS resins, 20 parts of glass fibre, compatilizer
2 parts of 3 parts, 0.3 part of antioxidant, 0.5 part of lubricant, 2 parts of coupling agent and filler.
S2, the raw material components addition high-speed mixer that will remove glass fibre, at 40-60 DEG C, mix 3-7 minutes, obtain
Blend.
S3, blend is positioned in the feed hopper of double screw extruder and mixes again.
S4, will it is well mixed after blend add barrel, by double screw extruder extruding pelletization, in extruding pelletization
During, glass fibre is drawn by the secondary charge door of double screw extruder and added.
Wherein, the main frame of the double screw extruder switchs to 300-380RPM, and extrusion processing temperature is respectively：One area 160
~180 DEG C, two 160~180 DEG C of areas, three 170~190 DEG C of areas, four 180~200 DEG C of areas, five 180~200 DEG C of areas, six areas 190~
210 DEG C, seven 200~220 DEG C of areas, eight 200~220 DEG C of areas, nine 200~220 DEG C of areas, ten 220~230 DEG C of areas, head 220~
230℃。
Embodiment 8：
S1, by weight, weighs the following raw material component：73.2 parts of high intensity AS resins, 20 parts of glass fibre, compatilizer
2 parts of 3 parts, 0.3 part of antioxidant, 1 part of lubricant, 0.5 part of coupling agent and filler.
S2, the raw material components addition high-speed mixer that will remove glass fibre, at 40-60 DEG C, mix 3-7 minutes, obtain
Blend.
S3, blend is positioned in the feed hopper of double screw extruder and mixes again.
S4, will it is well mixed after blend add barrel, by double screw extruder extruding pelletization, in extruding pelletization
During, glass fibre is drawn by the secondary charge door of double screw extruder and added.
Wherein, the main frame of the double screw extruder switchs to 300-380RPM, and extrusion processing temperature is respectively：One area 160
~180 DEG C, two 160~180 DEG C of areas, three 170~190 DEG C of areas, four 180~200 DEG C of areas, five 180~200 DEG C of areas, six areas 190~
210 DEG C, seven 200~220 DEG C of areas, eight 200~220 DEG C of areas, nine 200~220 DEG C of areas, ten 220~230 DEG C of areas, head 220~
230℃。
It should be noted that in embodiment 1-8, AS resins represent the resin base material using single AS resins, high intensity AS
Resin and low-intensity AS resins refer to two kinds of AS resins in hybrid resin base material with strength difference, are one relative general
Read.Those skilled in the art can select specific corresponding AS resins as in above-described embodiment 1-8 according to actual conditions
Resin base material.
Embodiment 9：(performance test experiment)
Modified AS resin pellets injection moulding in 180-260 degrees Celsius of injection machine that embodiment 1-8 is obtained, is made
For the batten (such as stretching, bending, impact) of various different tests.
Wherein, tensile bars size is：Length (mm) 150 ± 2；Width (mm) 10 ± 0.2；Thickness (mm) 4 ± 0.2.
Bending batten size is：Length (mm) 80 ± 2；Width (mm) 10 ± 0.2；Thickness (mm) 4 ± 0.2.
Impacting batten size is：Length (mm) 80 ± 2；Width (mm) 10 ± 0.2；Thickness (mm) 4 ± 0.2；Breach is remaining
Width (mm) 8 ± 0.2.
Then, after above-mentioned batten being placed into 88h in (23 ± 2) DEG C, the environment of humidity (50 ± 10) %, according to GB mark
Standard is tested these battens.
Specific performance test data is as shown in the table:
On the one hand, can be seen that according to performance test results in upper table and (such as comparing embodiment 1 and embodiment 7 or implement
Example 1 and embodiment 8)：There is an optimum addition in coupling agent and lubricant, be can be seen that with reference to data in table and be excessively added
Lubricant and coupling agent can reduce the intensity and rigidity of the AS resins being modified based on glass fibre being made.
On the other hand, the performance test results in upper table can be seen that：In the case of processing technology identical, addition
Reduce rigidity is (as 5 parts of addition is compatible while more compatilizers can make the modified AS resins being made obtain more preferable intensity
3 parts of embodiments of compatilizer 8 of embodiment 4 and addition of agent are compared).
In addition, with the increase (such as 20 parts of embodiment 1 are compared with 12 parts of embodiment 4) of content of glass fiber, being based on
The intensity and rigidity of the modified AS resins of glass fibre are all improved therewith.
In sum, the whole technological process of preparation method provided in an embodiment of the present invention is simple.It is modified that it is prepared
AS resins have preferable intensity and rigidity, can run at high speed and the adverse circumstances such as cold and heat succeed each other under normally use, it is full
The harsh performance requirement of foot.
Embodiments of the present invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, is included within the scope of the present invention.
Claims (10)
1. a kind of preparation method of modified propylene nitrile-styrol copolymer, it is characterised in that including：
Mixing acrylonitritrile-styrene resin, filler and processing aid obtain blend；
The blend is added into extruder, and the secondary charge door traction addition glass fibers for passing through extruder by main charge door
Dimension；
With predetermined engine speed and extrusion processing temperature, the modified propylene nitrile-benzene second is generated by extruder mixing extrusion
Alkene copolymer.
2. method according to claim 1, it is characterised in that the blend is added into extruder by barrel described
Before, also include：
Add acrylonitritrile-styrene resin and drawn by the secondary charge door by main charge door and add glass fibre；
By the extruder mixing extrusion, the tie rod pelletizing of stabilization is generated.
3. method according to claim 1, it is characterised in that the predetermined engine speed is 200RPM-350RPM.
4. method according to claim 1, it is characterised in that the extrusion processing temperature is 160-250 DEG C.
5. according to any described methods of claim 1-4, it is characterised in that the glass fibre is through the nothing of coupling agent treatment
The non-twist glass of alkali, it is a diameter of 7-17 microns.
6. according to any described methods of claim 1-4, it is characterised in that the processing aid includes：Compatilizer, antioxygen
Agent, lubricant and coupling agent.
7. method according to claim 6, it is characterised in that by weight percentage, the modified propylene nitrile-styrene
The raw material of copolymer is constituted：
8. method according to claim 6, it is characterised in that by weight percentage, the modified propylene nitrile-styrene
The raw material of copolymer is constituted：
9. method according to claim 6, it is characterised in that by weight percentage, the modified propylene nitrile-styrene
The raw material of copolymer is constituted：
10. a kind of modified propylene nitrile-styrol copolymer, it is characterised in that the modified propylene nitrile-styrol copolymer application
It is prepared by the preparation method as described in claim 1-9 is any.
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