CN106751312B - 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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- 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
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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
- B29C2948/92704—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 copolymers and preparation method thereof.The preparation method includes: that mixing acrylonitritrile-styrene resin, filler and processing aid obtain blend；Extruder is added by main feed opening in the blend, and glass fibre is added by the traction of the secondary feed opening of extruder；With scheduled engine speed and processing temperature is squeezed out, the modified propylene nitrile-styrol copolymer is generated by extruder mixing extrusion.Whole preparation process simple process prepares modified propylene nitrile-styrene with excellent service performance, and tensile strength, impact strength, bending strength and dimensional stability are outstanding, can satisfy severe application environment requirement.
Description
Technical field
The present invention relates to acrylonitritrile-styrene resin preparation technical fields, more particularly to a kind of modified propylene nitrile-benzene
Ethylene copolymer and preparation method thereof.
Background technique
Acrylonitritrile-styrene resin, also known as AS resin (acrylonitrile-styrene copolymer) are benzene second
Alkene (ST) and acrylonitrile (AN) are copolymerized obtained thermoplastic polymer.AS resin have excellent mechanical performance, tensile strength,
Bending strength, bending modulus, hardness, dimensional stability are all relatively good, and transparency is high, also have excellent chemical-resistant resistance
Property, it is the resin that chemical resistance is best in phenylethylene resin series.
But existing acrylonitritrile-styrene resin is in some extraordinary occasions, because the performance of its own limits, Wu Fashi
With.For example, air-conditioning fan blade needs work under the adverse circumstances of hot and cold alternation, and fan blade is often in the situation of running at high speed,
It is relatively high to fan blade performance requirement.The performance of AS resin itself is difficult to reach the requirement of air-conditioning fan blade.Therefore, it is necessary to AS
Resin carries out enhancing modification, improves the performance of AS resin to meet the harsh use environment and performance requirement of fan blade.Existing one
Enhance the technical solution of the service performance of AS resin by way of increasing glass fibre in AS resin a bit.
In the implementation of the present invention, inventor find that existing technical solution provides by glass fiber reinforcement AS
The intensity of the AS resin for the glass fiber reinforcement that the preparation method of resin property obtains is lower.In addition, for the AS resin of enhancing
Rigidity do not have deep discussion and research.
Summary 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 is able to solve acrylonitritrile-styrene resin performance deficiency in the prior art, may not apply to harsh environment
Problem.
In order to solve the above technical problems, the technical solution that embodiment of the present invention uses is: providing a kind of modification third
Alkene nitrile-styrol copolymer preparation method.This method comprises:
It mixes acrylonitritrile-styrene resin, filler and processing aid and obtains blend；
Extruder is added by main feed opening in the blend, and glass is added by the traction of the secondary feed opening of extruder
Glass fiber；
With scheduled engine speed and processing temperature is squeezed out, the modified propylene nitrile-is generated by extruder mixing extrusion
Styrol copolymer.
Optionally, it is described by the blend by barrel be added extruder before, the method also includes:
Acrylonitritrile-styrene resin is added by main feed opening and glass fibers are added by the secondary feed opening traction
Dimension；
By the extruder mixing extrusion, stable tie rod pelletizing is generated.
Optionally, the engine speed of the extruder is 200RPM-350RPM.
Optionally, the extrusion processing temperature is 160-250 DEG C.
Optionally, the glass fibre is the non-twist glass of alkali-free through coupling agent treatment, and diameter is 7-17 microns.
Optionally, the processing aid includes: compatilizer, antioxidant, lubricant and coupling agent.
Optionally, by weight percentage, the raw material composition of the modified propylene nitrile-styrol copolymer are as follows:
Optionally, by weight percentage, the raw material composition of the modified propylene nitrile-styrol copolymer are as follows:
Optionally, by weight percentage, the raw material composition of the modified propylene nitrile-styrol copolymer are as follows:
In order to solve the above technical problems, another technical solution that embodiment of the present invention uses is: providing a kind of modification
Acrylonitritrile-styrene resin, the modified propylene nitrile-styrol copolymer are prepared using preparation method as described above.
Modified propylene nitrile-styrol copolymer preparation method of the embodiment of the present invention puts into glass fibers by secondary feeding port
The mode of dimension reduces extruder to the shear action of glass fibre, so that production is prepared with high-intensitive, high rigidity glass
Fibre-reinforced modified propylene nitrile-styrol copolymer.Whole preparation process simple process prepares modified propylene nitrile-benzene
Ethylene has excellent service performance, and tensile strength, impact strength, bending strength and dimensional stability are outstanding, Neng Gouman
The severe application environment requirement of foot.
Detailed description of the invention
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 objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are 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 copolymers.Count by weight percentage, the modification
The raw material of acrylonitritrile-styrene resin forms are as follows:
Wherein, count by weight percentage, which includes: that 0-5% compatilizer (in some embodiments may not be used
Add compatilizer), 0.1-1% antioxidant, 0.1-1% lubricant and 0.1-2% coupling agent.
The acrylonitritrile-styrene resin is base material component, the performance of specifically used acrylonitritrile-styrene resin
It is related to the modified propylene nitrile-styrol copolymer finally prepared.In some embodiments, the acrylonitrile-styrene is total
Polymers can be single AS resin, be also possible to the mixture of a variety of different AS resins.Since the performance of base material component is determined
Final modified propylene nitrile-styrol copolymer intensity is determined.Therefore, use intensity higher third can be selected as far as possible
Alkene nitrile-styrol copolymer.
The glass fibre is main altered contents, can effectively improve modified AS resin by adding glass fibre
Service performance.In some embodiments, it can choose using the non-twist glass of alkali-free crossed through coupling agent treatment, diameter is that 7-17 is micro-
The glass fibre of rice.
Optionally, the filler can be inorganic filler.The inorganic filler can be selected such as calcium carbonate, talcum powder, mica
One or more of equal fillers.It can reinforce dispersion degree of the glass fibre in resin by adding filler, enable glass fibers
Dimension can uniformly disperse in the substrate, reduce cost.In actual fabrication process, the filler mesh number used is 600-2500
Mesh.
It during the preparation process, can also be according to the actual situation using one or more kinds of suitable processing aids.Institute as above
It states, which may include: compatilizer, antioxidant, lubricant and coupling agent.
In some embodiments, which is silane coupling agent, such as KH550 or KH570.The compatilizer can be Malaysia
Anhydride-grafted polymers type compatilizer, as maleic anhydride graft phenylethene-acrylonitrile-butadiene polymer, maleic anhydride are grafted
Ethylene-octene copolymer or maleic anhydride grafted ethene-vinyl acetate polymer etc..
The compatibility of both AS resin and glass fibre can be increased by adding compatilizer, increase the interfacial adhesion of the two
Power can preferably improve the modification AS resin based on glass fibre to facilitate that glass is evenly dispersed in resin matrix
Mechanical property.
Optionally, which 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 of propionic acid n-octadecyl alcohol ester (antioxidant 1076) or several.
By adding antioxidant, can prevent in extrusion process, polymer occurs under conditions of high temperature and pressure
Degradation influences to prepare product quality.
Optionally, which can be one of stearic acid, stearate, amide waxe or polyolefin-wax series lubricant agent
Or it is several.
The extrusion performance of polymer can be improved by adding lubricant, the surface flatness of product is improved, reduce and squeeze out
The energy consumption of equipment, and it is evenly dispersed in resin to facilitate glass fibre.
Modified propylene nitrile-styrol copolymer preparation method is prepared the present invention also provides a kind of.As shown in Figure 1, should
Method includes the following steps:
101: mixing acrylonitritrile-styrene resin, filler and processing aid obtain blend.
In the actual production process, the blend of above-mentioned raw materials can be obtained by a variety of suitable modes, such as passed through
High-speed mixer, 40-60 DEG C at a temperature of, 3-6min is mixed, until obtaining uniformly mixed blend.
The ingredient and/or ratio of combinable embodiment descriptions that said one embodiment describes or multiple can specifically be added
Acrylonitritrile-styrene resin, filler and the processing aid of example are mixed.It is of course also possible to use other suitable ratios
Example or specific ingredient.
102: extruder is added by main feed opening in the blend, and is added by the traction of the secondary feed opening of extruder
Enter glass fibre.
In preparation method provided in an embodiment of the present invention, glass fibre is drawn by the secondary feed opening different from blend
It is added.Such glass fibre adding manner can reduce shear action of the screw rod for glass fibre of extruder, Neng Goubao
The length for demonstrate,proving glass fibre makes the modification AS resin of preparation have more excellent service performance.
103: with scheduled engine speed and squeezing out processing temperature, the modified propylene is generated by extruder mixing extrusion
Nitrile-styrol copolymer.
In embodiments of the present invention, AS resin is prepared using common extruding forming method.Extruder according to the actual situation,
With scheduled engine speed and squeeze out processing temperature completion extrusion molding process.Optionally, the scheduled host turns
Speed can be set to 200RPM-350RPM, and the extrusion processing temperature can be set to 160-250 DEG C.
In an alternative embodiment of the invention, it before blend is added and carries out extrusion molding, can also be performed following experimental
Step: a small amount of pure acrylonitritrile-styrene resin is added to main feed opening and glass is added by the secondary feed opening traction
Glass fiber.Then, by the extruder mixing extrusion and tie rod is drawn.Finally, pelletizing and determining tie rod after tie rod is cooling
Whether pelletizing is stable.After the tie rod pelletizing is stablized, blends described above is just added, prepares the modified propylene nitrile-benzene
Ethylene copolymer.By the preparatory experimental procedure, just start to carry out preparation process, energy after can stablizing guaranteeing extruder output
Enough improve the quality of the modified propylene nitrile-styrol copolymer.
In some embodiments, more processes can also be executed to the product that extruder mixing extrusion generates, for example, cold
But, drying, pelletizing (step 104) and injection molding (step 105) etc., to obtain final products.
For the preparation side of further explanation and explanation modified propylene nitrile-styrol copolymer provided in an embodiment of the present invention
Method, the embodiment of the preparation method of several modified propylene nitrile-styrol copolymers presented below.
Embodiment 1:
S1, by weight, weighs the following raw material component: 73.7 parts of AS resin, 20 parts of glass fibre, 3 parts of compatilizer, anti-
0.3 part of oxygen agent, 0.5 part of lubricant, 0.5 part of coupling agent and 2 parts of filler.
S2, high-speed mixer will be added except the raw material components of glass fibre, at 40-60 DEG C, mixes 3-7 minutes, obtains
Blend.
S3, it blend is placed in the feed hopper of double screw extruder mixes again.
S4, blend after mixing is added in barrel, by double screw extruder extruding pelletization, in extruding pelletization
In the process, glass fibre is drawn by the secondary feed opening of double screw extruder and is added.
Wherein, the host of the double screw extruder switchs to 300-380RPM, squeezes out processing temperature and is respectively as follows: an 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: 81.7 parts of AS resin, 12 parts of glass fibre, 3 parts of compatilizer, anti-
0.3 part of oxygen agent, 0.5 part of lubricant, 0.5 part of coupling agent and 2 parts of filler.
S2, high-speed mixer will be added except the raw material components of glass fibre, at 40-60 DEG C, mixes 3-7 minutes, obtains
Blend.
S3, it blend is placed in the feed hopper of double screw extruder mixes again.
S4, blend after mixing is added in barrel, by double screw extruder extruding pelletization, in extruding pelletization
In the process, glass fibre is drawn by the secondary feed opening of double screw extruder and is added.
Wherein, the host of the double screw extruder switchs to 300-380RPM, squeezes out processing temperature and is respectively as follows: an 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: 78.7 parts of AS resin, 15 parts of glass fibre, 3 parts of compatilizer, anti-
0.3 part of oxygen agent, 0.5 part of lubricant, 0.5 part of coupling agent and 2 parts of filler.
S2, high-speed mixer will be added except the raw material components of glass fibre, at 40-60 DEG C, mixes 3-7 minutes, obtains
Blend.
S3, it blend is placed in the feed hopper of double screw extruder mixes again.
S4, blend after mixing is added in barrel, by double screw extruder extruding pelletization, in extruding pelletization
In the process, glass fibre is drawn by the secondary feed opening of double screw extruder and is added.
Wherein, the host of the double screw extruder switchs to 300-380RPM, squeezes out processing temperature and is respectively as follows: an 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: 79.7 parts of AS resin, 12 parts of glass fibre, 5 parts of compatilizer, anti-
0.3 part of oxygen agent, 0.5 part of lubricant, 0.5 part of coupling agent and 2 parts of filler.
S2, high-speed mixer will be added except the raw material components of glass fibre, at 40-60 DEG C, mixes 3-7 minutes, obtains
Blend.
S3, it blend is placed in the feed hopper of double screw extruder mixes again.
S4, blend after mixing is added in barrel, by double screw extruder extruding pelletization, in extruding pelletization
In the process, glass fibre is drawn by the secondary feed opening of double screw extruder and is added.
Wherein, the host of the double screw extruder switchs to 300-380RPM, squeezes out processing temperature and is respectively as follows: an 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 resin, 20 parts of glass fibre, 0.3 part of antioxidant,
0.5 part of lubricant, 0.5 part of coupling agent and 2 parts of filler.
S2, high-speed mixer will be added except the raw material components of glass fibre, at 40-60 DEG C, mixes 3-7 minutes, obtains
Blend.
S3, it blend is placed in the feed hopper of double screw extruder mixes again.
S4, blend after mixing is added in barrel, by double screw extruder extruding pelletization, in extruding pelletization
In the process, glass fibre is drawn by the secondary feed opening of double screw extruder and is added.
Wherein, the host of the double screw extruder switchs to 300-380RPM, squeezes out processing temperature and is respectively as follows: an 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-intensitive AS resin, 48.7 parts of low-intensity AS resin, glass
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 2 parts of filler.
S2, high-speed mixer will be added except the raw material components of glass fibre, at 40-60 DEG C, mixes 3-7 minutes, obtains
Blend.
S3, it blend is placed in the feed hopper of double screw extruder mixes again.
S4, blend after mixing is added in barrel, by double screw extruder extruding pelletization, in extruding pelletization
In the process, glass fibre is drawn by the secondary feed opening of double screw extruder and is added.
Wherein, the host of the double screw extruder switchs to 300-380RPM, squeezes out processing temperature and is respectively as follows: an 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-intensitive AS resin, 20 parts of glass fibre, compatilizer
3 parts, 0.3 part of antioxidant, 0.5 part of lubricant, 2 parts of coupling agent and 2 parts of filler.
S2, high-speed mixer will be added except the raw material components of glass fibre, at 40-60 DEG C, mixes 3-7 minutes, obtains
Blend.
S3, it blend is placed in the feed hopper of double screw extruder mixes again.
S4, blend after mixing is added in barrel, by double screw extruder extruding pelletization, in extruding pelletization
In the process, glass fibre is drawn by the secondary feed opening of double screw extruder and is added.
Wherein, the host of the double screw extruder switchs to 300-380RPM, squeezes out processing temperature and is respectively as follows: an 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-intensitive AS resin, 20 parts of glass fibre, compatilizer
3 parts, 0.3 part of antioxidant, 1 part of lubricant, 0.5 part of coupling agent and 2 parts of filler.
S2, high-speed mixer will be added except the raw material components of glass fibre, at 40-60 DEG C, mixes 3-7 minutes, obtains
Blend.
S3, it blend is placed in the feed hopper of double screw extruder mixes again.
S4, blend after mixing is added in barrel, by double screw extruder extruding pelletization, in extruding pelletization
In the process, glass fibre is drawn by the secondary feed opening of double screw extruder and is added.
Wherein, the host of the double screw extruder switchs to 300-380RPM, squeezes out processing temperature and is respectively as follows: an 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 AS resin indicates the resin base material using single AS resin, high-intensitive AS in embodiment 1-8
Resin and low-intensity AS resin refer to two kinds of AS resins in hybrid resin substrate with strength difference, are one opposite general
It reads.Those skilled in the art can select specific corresponding AS resin as in above-described embodiment 1-8 according to the actual situation
Resin base material.
Embodiment 9:(performance test experiment)
Modification AS resin pellets injection molding in 180-260 degrees Celsius of injection molding machine that embodiment 1-8 is obtained, is made
Batten for various different tests (such as stretching, bending, impact).
Wherein, tensile bars size are as follows: length (mm) 150 ± 2；Width (mm) 10 ± 0.2；Thickness (mm) 4 ± 0.2.
It is bent batten size are as follows: length (mm) 80 ± 2；Width (mm) 10 ± 0.2；Thickness (mm) 4 ± 0.2.
Impact batten size are as follows: length (mm) 80 ± 2；Width (mm) 10 ± 0.2；Thickness (mm) 4 ± 0.2；Notch is remaining
Width (mm) 8 ± 0.2.
Then, after above-mentioned batten being placed 88h in (23 ± 2) DEG C, the environment of humidity (50 ± 10) %, according to national standard mark
Standard tests these battens.
Specific performance test data is as shown in the table:
On the one hand, it can be seen that (such as comparing embodiment 1 and embodiment 7 are implemented according to performance test results in upper table
Example 1 and embodiment 8): coupling agent and lubricant can be seen that in conjunction with data in table and are excessively added there are an optimum addition
Lubricant and coupling agent can reduce the intensity and rigidity of the manufactured AS resin modified based on glass fibre.
On the other hand, according to the performance test results in upper table it can be seen that being added in the identical situation of processing technology
More compatilizers can make manufactured modified AS resin reduce rigidity while obtaining better intensity, and (such as 5 parts of addition is compatible
The embodiment 8 of 3 parts of compatilizers of embodiment 4 and addition of agent is compared).
In addition, being based on the increase (20 parts of such as embodiment 1 are compared with 12 parts of embodiment 4) of content of glass fiber
The intensity and rigidity of the modification AS resin of glass fibre all increase accordingly.
In conclusion the entire process flow of preparation method provided in an embodiment of the present invention is simple.Its modification prepared
AS resin has preferable intensity and rigidity, can run at high speed and the adverse circumstances such as hot and cold alternation under normal use, it is full
The harsh service performance requirement of foot.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, all to utilize this
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field is included within the scope of the present invention.
Claims (3)
1. a kind of preparation method of modified propylene nitrile-styrol copolymer characterized by comprising
Acrylonitritrile-styrene resin is added to main feed opening, and glass fibre is added by the secondary feed opening traction；
By extruder mixing extrusion and draw tie rod；
After the traction tie rod is cooling, pelletizing is carried out to the tie rod；
Determine whether the tie rod of the pelletizing is stable；
After the tie rod of the pelletizing is stablized, mixing acrylonitritrile-styrene resin, filler and processing aid are blended
Object；
Extruder is added by main feed opening in the blend, and glass fibers are added by the traction of the secondary feed opening of extruder
Dimension；
With scheduled engine speed and processing temperature is squeezed out, the modified propylene nitrile-benzene second is generated by extruder mixing extrusion
Alkene copolymer；
By weight percentage, the raw material composition of the modified propylene nitrile-styrol copolymer are as follows:
The scheduled engine speed is 300-380RPM, and the extrusion processing temperature is respectively as follows: 160~180 DEG C of an area, 2nd area
160~180 DEG C, three 170~190 DEG C of areas, four 180~200 DEG C of areas, five 180~200 DEG C of areas, six 190~210 DEG C of areas, 7th area
200~220 DEG C, eight 200~220 DEG C of areas, nine 200~220 DEG C of areas, ten 220~230 DEG C of areas, 220~230 DEG C of head.
2. the method according to claim 1, wherein extruder is added by barrel in the blend described
Before, further includes:
Acrylonitritrile-styrene resin is added by main feed opening and glass fibre is added by the secondary feed opening traction；
By the extruder mixing extrusion, stable tie rod pelletizing is generated.
3. method according to claim 1 or 2, which is characterized in that the glass fibre is the alkali-free through coupling agent treatment
Non-twist glass, diameter are 7-17 microns.
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| CN101367990A (en) * | 2007-08-17 | 2009-02-18 | 第一毛织株式会社 | Glass fiber reinforced polycarbonate resin composition having excellent impact strength and flowability and method for preparing the same |
| CN103387745A (en) * | 2012-05-10 | 2013-11-13 | 合肥杰事杰新材料股份有限公司 | Flame-retardant glass-fiber reinforced polyamide/polyphenylene sulfide alloy material and preparation method thereof |
| CN103756299A (en) * | 2013-12-13 | 2014-04-30 | 上海金发科技发展有限公司 | High-performance glass fiber reinforced PA/ABS alloy material, and preparation method thereof |
| CN104448597A (en) * | 2014-11-26 | 2015-03-25 | 珠海格力电器股份有限公司 | Preparation method of glass-fiber-reinforced AS resin |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101367990A (en) * | 2007-08-17 | 2009-02-18 | 第一毛织株式会社 | Glass fiber reinforced polycarbonate resin composition having excellent impact strength and flowability and method for preparing the same |
| CN103387745A (en) * | 2012-05-10 | 2013-11-13 | 合肥杰事杰新材料股份有限公司 | Flame-retardant glass-fiber reinforced polyamide/polyphenylene sulfide alloy material and preparation method thereof |
| CN103756299A (en) * | 2013-12-13 | 2014-04-30 | 上海金发科技发展有限公司 | High-performance glass fiber reinforced PA/ABS alloy material, and preparation method thereof |
| CN104448597A (en) * | 2014-11-26 | 2015-03-25 | 珠海格力电器股份有限公司 | Preparation method of glass-fiber-reinforced AS resin |
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Inventor after: Chen Long Inventor after: Gan Chaoyang Inventor after: Tan Xinxian Inventor after: Wang Lin Inventor after: Liu Dongli Inventor after: Wang Hongxia Inventor after: Sun Hui Inventor after: Ding Longlong Inventor after: Wang Meixiao Inventor after: Liu Lei Inventor before: Tan Xinxian Inventor before: Liu Dongli Inventor before: Wang Hongxia Inventor before: Wang Lin Inventor before: Sun Hui Inventor before: Ding Longlong Inventor before: Wang Meixiao Inventor before: Liu Lei Inventor before: Gan Chaoyang |