CN107841132A - A kind of ternary PA6/PBT/AS alloys and preparation method thereof - Google Patents
A kind of ternary PA6/PBT/AS alloys and preparation method thereof Download PDFInfo
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- CN107841132A CN107841132A CN201711180124.2A CN201711180124A CN107841132A CN 107841132 A CN107841132 A CN 107841132A CN 201711180124 A CN201711180124 A CN 201711180124A CN 107841132 A CN107841132 A CN 107841132A
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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
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four 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
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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
- C08L2205/24—Crystallisation aids
Abstract
The invention discloses ternary PA6/PBT/AS alloys and preparation method thereof, and it includes following raw material according to the mass fraction：40 60 parts of PA6,25 35 parts of PBT, 15 20 parts of AS, 5 10 parts of compatilizer, 13 parts of chain extender, 0.05 0.12 parts of nucleator, 13 parts of inorganic particle；The present invention is arranged in pairs or groups mutually by different materials, simultaneously added with nano material, so as to not only solve the water absorption issue of nylon, and improves the mechanical property of composite.
Description
Technical field
The invention belongs to technical field of polymer materials, more particularly to a kind of ternary PA6/PBT/AS alloys and its preparation side
Method.
Background technology
PBT, Chinese are polybutylene terephthalate (PBT), and it is a kind of those semi-crystalline materials, have preferably chemistry
Stability, mechanical performance and heat endurance.PA6 is a kind of more extensive engineering plastics of application.AS, Chinese third
Alkene nitrile-styrol copolymer (acrylonitrile-styrene copolymer), formed by acrylonitrile with styrene copolymerized
High-molecular compound, it is a kind of those semi-crystalline materials, has preferable chemical stability, mechanical performance and heat endurance.However,
Simple PBT, AS, PA6 suffers from the limitation of itself, such as：PA6 shrinkage factor is big, and water imbibition is strong；AS impact properties are poor, Yi Fen
It is broken；PBT impact property is inadequate, them can not be applied to diversified field, therefore it is plastic processing to be modified to it
The focus of industry concern.The alloying of plastics is to change a Main way of performance.
In the prior art, common method of modifying is to add various additive modifications, chemical modification and alloying in the base
It is modified.Simultaneously because formula and the variety of problems such as technique, existing alloy two-by-two it is material modified at many aspects not to the utmost such as
People's will thus introduce third party's plastics be inevitable.
PBT/PA6 alloys are just prepared in the nineties in last century, but the rigidity and resistance to soiling of itself are still
Have to be hoisted.AS is added in PBT/PA6 alloys the function on following two sides, first, in the double increase materials of in general firm in itself
Property；Second, together with those semi-crystalline materials PBT, increase the consistency of material jointly, reduce the shrinkage factor of material.
The content of the invention
It is an object of the invention to provide a kind of ternary PA6/PBT/AS alloys and preparation method thereof.
To achieve these goals, the present invention uses following scheme：
A kind of ternary PA6/PBT/AS alloys, including following raw material according to the mass fraction：PA6,20-35 of 40-60 parts
Part the compatilizer of AS, 5-10 part of PBT, 15-20 part, the chain extender of 1-3 parts, the nucleator of 0.05-0.12 parts, 1-3 parts
Inorganic particle.
Preferably, described PA6, PBT and AS weight ratio are 50:22:20.
Preferably, the compatilizer is PE grafted maleic anhydrides.
Preferably, the chain extender is the special chain extender of polyester and the special chain extender of nylon is by weight (1-2):(2-
5) compounding forms.Wherein, the special chain extender of the polyester is 1.4 cyclohexanediols；The special chain extender of nylon is 4,4'- double secondary
Fourth aminodiphenylmethane
Preferably, the nucleator is nano-powder, in nano silicon, nano-attapulgite, nano kaoline
At least one.
It is further preferred that the particle diameter of the nucleator is 10-50nm.
Preferably, the inorganic particle includes inorganic bentonite.
It is further preferred that the inorganic particle includes following raw material according to the mass fraction：The inorganic swelling of 65-75 parts
Soil, the silicone powder of 10-15 parts, 2-3 silicone oil, the ethylene glycol of 5-10 parts.
It is highly preferred that the inorganic particle is prepared by following steps：
(1), inorganic bentonite is placed in stirred tank, with 6-8R/S high-speed stirreds, and silicone oil is sprayed to inorganic swelling
In soil；
(2), silicone powder is added in ethylene glycol, with 1-3r/s stirring at low speed, is heated to 60 degrees Celsius, to generation melting paste
The colloid of shape；
(3), the colloid that step (2) is prepared is added in the stirred tank of step (1), stirs 20-40min.
The preparation method of above-mentioned ternary PA6/PBT/AS alloys, comprises the following steps：
(1) PA6, compatilizer, chain extender are well mixed as mixture A with 6-8R/S high-speed stirred high-speed stirreds；
(2) (2) are well mixed as mixing by AS, PBT, inorganic particle, nucleator with 6-8R/S high-speed stirred high-speed stirreds
Thing B；
(3) mixture A is placed in extruder main spout, mixture B is placed in side spout, melting extrusion.
Preferably, the temperature of the melting extrusion is 210-240 DEG C, screw speed：380~420 turns/min, screw rod major diameter
Than for 40:1.
Plastic alloy is the method using physical blending or chemical graft and the high-performance, functionalization, the customizations that obtain
A kind of new material, PA6 are the polymer of polycaprolactam, and with carboxylic acid and amide group, AS and PBT are hemicrystalline engineering plastic
Material.In the prior art, alloying is carried out using PA6 and PBT more, however, the active group due to material in itself is limited, causes material
Easily layering and rigidity are insufficient for material.Acrylonitrile polarity in AS materials is big, cause easily with amide group cooperation, and then reduce
Extend AS crystallization time, shorten PA6 setting time, while form bridge with original material and be connected and by secondary crowded
Modeling.First time extrusion molding fraction is peeled off, and second of extrusion molding is largely peeled off, and forms homogeneous interlayer structure.
Beneficial effects of the present invention：
The composite that the present invention is prepared has excellent performance, is compounded by using PA6, PBT and AS, and adds
Enter nano material, so as to not only solve the water absorption issue of nylon, and improve the mechanical property of composite.
Embodiment
With reference to specific embodiment, the present invention is described further：
Embodiment 1
The inorganic particle is prepared by following steps：
(1), 70 parts of inorganic bentonite is placed in stirred tank, with 6-8R/S high-speed stirred high-speed stirreds, and by 3 parts
Silicone oil is sprayed in inorganic bentonite；
(2), 13 parts of silicone powder is added in 8 parts of ethylene glycol, with 1-3R/S stirring at low speed 10-20min, is heated to 60
Degree Celsius, to the colloid of generation melting pasty state；
(3), the colloid that step (2) is prepared is added in the stirred tank of step (1), stirs 30min.
Embodiment 2
A kind of ternary PA6/PBT/AS alloys, including following raw material according to the mass fraction：
The preparation method of above-mentioned ternary PA6/PBT/AS alloys, comprises the following steps：
(1) by PA6, PE grafted maleic anhydride, chain extender, with 6-8R/S high-speed stirreds, it is well mixed as mixture A；
(2) by AS, PBT, inorganic particle, nano silicon, with 6-8R/S high-speed stirreds, it is well mixed as mixture B；
(3) mixture A is placed in extruder main spout, mixture B is placed in side spout, melting extrusion；Its
The temperature front end of middle melting extrusion is 220-240 DEG C, and rear end is 210-230 DEG C, screw speed：380~420 turns/min, screw rod
Draw ratio is 40:1.
Embodiment 3
A kind of ternary PA6/PBT/AS alloys, including following raw material according to the mass fraction：
The preparation method of above-mentioned ternary PA6/PBT/AS alloys is the same as embodiment 2.
Embodiment 4
The preparation method of above-mentioned ternary PA6/PBT/AS alloys
The preparation method of above-mentioned ternary PA6/PBT/AS alloys is the same as embodiment 2.
Comparative example 1
A kind of ternary PA6/PBT/AS alloys, including following raw material according to the mass fraction：
The preparation method of above-mentioned ternary PA6/PBT/AS alloys, comprises the following steps：
(1) by PA6, PE grafted maleic anhydride, chain extender, with 6-8R/S high-speed stirreds, it is well mixed as mixture A；
(2) by AS, PBT, nanometer, with 6-8R/S silica high-speed stirreds, it is well mixed as mixture B；
(3) mixture A is placed in extruder main spout, mixture B is placed in side spout, melting extrusion；Its
The temperature front end of middle melting extrusion is 220-240 DEG C, and rear end is 210-230 DEG C, screw speed：380~420 turns/min, screw rod
Draw ratio is 40:1.
Performance test is carried out to embodiment 2-4 and the ternary PA6/PBT/AS alloys of comparative example 1, the test result of gained is shown in
Table 1 below：
The embodiment 2-4 of table 1 and the ternary PA6/PBT/AS alloys of comparative example 1 the performance test results
Claims (10)
- A kind of 1. ternary PA6/PBT/AS alloys, it is characterised in that：Including following raw material according to the mass fraction：40-60 parts The compatilizer of AS, 5-10 part of PBT, 15-20 part of PA6,20-35 part, the chain extender of 1-3 parts, the nucleation of 0.05-0.12 parts Agent, the inorganic particle of 1-3 parts.
- 2. ternary PA6/PBT/AS alloys according to claim 1, it is characterised in that：The compatilizer is that PE is grafted Malaysia Acid anhydrides.
- 3. ternary PA6/PBT/AS alloys according to claim 1, it is characterised in that：The chain extender is the special expansion of polyester Chain agent and the special chain extender of nylon are by weight (1-2):(2-5) compounding forms.
- 4. ternary PA6/PBT/AS alloys according to claim 1, it is characterised in that：The nucleator is selected from nano-silica At least one of SiClx, nano-attapulgite, nano kaoline.
- 5. the ternary PA6/PBT/AS alloys according to claim 1 or 4, it is characterised in that：The particle diameter of the nucleator is 10-50nm。
- 6. ternary PA6/PBT/AS alloys according to claim 1, it is characterised in that：The inorganic particle includes inorganic swollen Profit soil.
- 7. the ternary PA6/PBT/AS alloys according to claim 1 or 6, it is characterised in that：The inorganic particle include with Under raw material according to the mass fraction：The inorganic bentonite of 65-75 parts, the silicone powder of 10-15 parts, 2-3 silicone oil, the second of 5-10 parts Glycol.
- 8. ternary PA6/PBT/AS alloys according to claim 7, it is characterised in that：The inorganic particle passes through following step Suddenly it is prepared：(1), inorganic bentonite is placed in stirred tank, with 6-8R/S high-speed stirreds, and silicone oil is sprayed in inorganic bentonite；(2), silicone powder is added in ethylene glycol, with 1-3R/S stirring at low speed 10-20min, is heated to 60 degrees Celsius, it is molten to generating Melt the colloid of pasty state；(3), the colloid that step (2) is prepared is added in the stirred tank of step (1), stirs 20-40min.
- 9. the preparation method of the ternary PA6/PBT/AS alloys according to any one of claim 1-8, it is characterised in that：Bag Include following steps：(1) PA6, compatilizer, chain extender are well mixed as mixture A with 6-8R/S high-speed stirreds；(2) AS, PBT, inorganic particle, nucleator are well mixed as mixture B with 6-8R/S high-speed stirreds；(3) mixture A is placed in extruder main spout, mixture B is placed in side spout, melting extrusion.
- 10. the preparation method of ternary PA6/PBT/AS alloys according to claim 9, it is characterised in that：Melting extrusion Temperature front end is 210-240 DEG C, screw speed：380~420 turns/min, screw slenderness ratio 40:1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711180124.2A CN107841132A (en) | 2017-11-23 | 2017-11-23 | A kind of ternary PA6/PBT/AS alloys and preparation method thereof |
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| CN201711180124.2A CN107841132A (en) | 2017-11-23 | 2017-11-23 | A kind of ternary PA6/PBT/AS alloys and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080138497A1 (en) * | 2003-11-06 | 2008-06-12 | Pacetti Stephen D | Methods For Fabricating Coatings For Drug Delivery Devices Having Gradient Of Hydration |
| CN106519662A (en) * | 2016-11-21 | 2017-03-22 | 上海金发科技发展有限公司 | Antistatic anti-flaming polyamide compound and preparation method thereof |
| CN106893309A (en) * | 2017-03-14 | 2017-06-27 | 苏州隆芝耀新材料有限公司 | A kind of high-performance and low-cost nylon alloy enhancing composite and preparation method thereof |
-
2017
- 2017-11-23 CN CN201711180124.2A patent/CN107841132A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080138497A1 (en) * | 2003-11-06 | 2008-06-12 | Pacetti Stephen D | Methods For Fabricating Coatings For Drug Delivery Devices Having Gradient Of Hydration |
| CN106519662A (en) * | 2016-11-21 | 2017-03-22 | 上海金发科技发展有限公司 | Antistatic anti-flaming polyamide compound and preparation method thereof |
| CN106893309A (en) * | 2017-03-14 | 2017-06-27 | 苏州隆芝耀新材料有限公司 | A kind of high-performance and low-cost nylon alloy enhancing composite and preparation method thereof |
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