CN105237935B - A kind of liquid crystal polymer aid composite and preparation method thereof - Google Patents
A kind of liquid crystal polymer aid composite and preparation method thereof Download PDFInfo
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- CN105237935B CN105237935B CN201510701092.0A CN201510701092A CN105237935B CN 105237935 B CN105237935 B CN 105237935B CN 201510701092 A CN201510701092 A CN 201510701092A CN 105237935 B CN105237935 B CN 105237935B
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Abstract
The invention belongs to a kind of liquid crystal polymer aid composites and preparation method thereof, belong to polymeric material field.The present invention liquid crystal polymer aid composite by with ionic group liquid crystal polymer auxiliary agent and resin compounded form, with ionic group liquid crystal polymer auxiliary agent quality be composite material gross mass 5 ‰~20%, surplus is resin；Resin is selected from ABS 38.Preparation method：First prepare the liquid crystal polymer auxiliary agent with ionic group；Then the liquid crystal polymer auxiliary agent with ionic group prepared by step 1 is mixed with resin, through double screw extruder melting extrusion, the pelletizing after water-carrying groove cools down of the material strip of extrusion obtains product.Liquid crystal polymer in-situ composite of the present invention is applied in auto parts and components, precision electronic device, optical fiber, medical instrument, waterproof material, field of textiles, insulating materials, energy storage material, flak jackets or parachute field.
Description
Technical field
The invention belongs to macromolecule application material technical field, more particularly to a kind of liquid crystal polymer aid composite and
Preparation method.
Background technology
In order to obtain the polymer material of excellent combination property, existing polymer blending modification becomes the Zhuo of development material
One of fruitful approach, and current polymer builder usually has simple function, is caused while improving certain performance
The deterioration of other performances.
TLCP (thermotropic liquid crystal polymer) is a kind of high-performance liquid crystal high molecular material, and in molten condition, strand is presented
Order arranges.In process, height-oriented condensed state structure is formed under the action of shearing force or elongation strain.Exactly
This structure imparts the excellent comprehensive performances of TLCP：Low linear expansion coefficient, dimensional stability, good processing performance, resistance
Fire performance, high heat distortion temperature and its in mechanical properties such as the high intensity of differently- oriented directivity, high-modulus, high tenacity, but hang down
Directly in the performance for being less than differently- oriented directivity in differently- oriented directivity, that is, transverse direction, cause the anisotropy of polymer product therefore in TLCP molecules
Ionic group is introduced in chain, both plays the role of Interfacial compatibilization in this way, while also there is liquid crystal humidification.
The present invention improves the performance of material by emphasizing the structure by liquid crystal polymer auxiliary agent, fundamentally compensates for
Fault in material caused by process；Liquid crystal polymer auxiliary agent with ion can not only be made as the function additive of resin
It uses and can be used as structural material.
Invention content
A kind of liquid crystal polymer auxiliary agent composite wood is provided the purpose of the present invention is being directed to deficiency of the prior art
Material and preparation method thereof.Specifically liquid crystal polymer additive modification ABS-38, due to the liquid crystal polymer auxiliary agent of the present invention
With wider liquid crystal section so that its range of work is wider, can be used for preparing composite material, passes through liquid crystal mesogens macromolecule
Composite material is made with resin alloy in auxiliary agent, improves the properties of composite material, such as：Mechanical property, flame retardant property and resistance to
High-temperature behavior.
The purpose of the present invention is carry out this realization by following technical solution；A kind of liquid crystal polymer aid composite,
It is characterized in that, the composite material by with ionic group liquid crystal polymer auxiliary agent and resin compounded form, carry ion
The quality of the liquid crystal polymer auxiliary agent of group is 5 ‰~the 20% of composite material gross mass, and surplus is resin；
The liquid crystal polymer auxiliary agent with ionic group be by glycol, diphenol or diamines one kind, two kinds or three
The mixing of kind arbitrary proportion, the monomer with ionic group are formed with acyl chlorides polycondensation, the liquid crystal high score with ionic group
Sub- auxiliary agent is by the macromolecule of R1, R2 and R3 linear random arrangement formed with polycondensation, and the sum of molar ratio of R1, R2 and R3 is
100, R1 be to use formulaThe structural unit of expression and/or use formulaThe structure of expression
Unit, R2 are to use formulaThe structural unit of expression uses formulaThe structure list of expression
Member, R3 are to use formulaThe structural unit of expression, R are aromatic hydrocarbons or alkane；
The resin is selected from ABS-38.
It is in following structural formula to prepare the monomer with ionic group needed for the liquid crystal polymer with ionic group
It is a kind of：
Prepare the one or more that the diphenol needed for the liquid crystal polymer with ionic group is following structural formula：
Wherein, a=1~2.
It is following structural formula to prepare the glycol needed for the liquid crystal polymer with ionic group：
Wherein, b=2~12.
It is one or more of following structural formula to prepare the diamines needed for the liquid crystal polymer with ionic group：
Wherein c=1~3；D=2~12.
Preparing the acyl chlorides needed for the liquid crystal polymer with ionic group is：
Wherein, n=1~3；M=2~12.
The liquid crystal polymer in-situ composite preparation method of the present invention is that specific steps include：
Step 1：Prepare the liquid crystal polymer auxiliary agent with ionic group
(1), 1~20% monomer with ionic group, 50% acyl chlorides are weighed in molar ratio, and surplus is glycol, two
One or more of phenol or diamines, for use；
(2), by one or more of glycol, diphenol or diamines, the monomer with ionic group is dissolved in solvent, molten
Agent is DMF, obtains mixed liquor I；
(3), pyridine is added in the mixed liquor I, obtains mixed liquor II；
(4), acyl chlorides is dissolved in DMF, after being then slowly added drop-wise in the mixed liquor II, is stirred evenly, slowly
60~180 DEG C are warming up to, 24~36h is reacted, obtains mixed liquor III；
(5), ethyl alcohol is added into mixed liquor III, it is dry through multiple filter wash solid is precipitated, it obtains carrying ionic group
Liquid crystal polymer auxiliary agent；
Step 2：Composite material is made of the liquid crystal polymer auxiliary agent with ion with ABS-38 resins, by step 1 system
The standby liquid crystal polymer auxiliary agent with ionic group is mixed with ABS-38 resins, through double screw extruder melting extrusion, double spiral shells
Each area's temperature range of bar extruder is respectively 210~235 DEG C, 220~270 DEG C, 235~280 DEG C, 225~265 DEG C, twin-screw
Rotating speed is 120~250 revs/min, and the pelletizing after water-carrying groove cools down of the material strip of extrusion obtains product.
Above-mentioned, DMF is n,N-Dimethylformamide；ABS-38 is acrylonitrile-butadiene-styrene (ABS) triblock copolymer,
38 refer to rubber content in ABS.
Using the petrographic microscope with thermal station, the texture of liquid crystal polymer is observed；Using scanning electron microscope, probe into
The each component distribution situation and two-phase interface of composite material；Using universal testing machine sum digit shock machine, test compound
The physical mechanical property of material.
One of the component of liquid crystal polymer composite of present invention liquid crystal polymer auxiliary agent, has wider liquid crystal area
Between；Ionic group is introduced on liquid crystal polymer auxiliary agent main chain by designing, the liquid crystal polymer auxiliary agent with ion is prepared, it
The characteristics such as high-modulus, the high intensity of existing liquid crystal polymer, and the capacity increasing function with ionomer, can play liquid crystal polymer
Fento humidification, while the also compatibilization with ion is to improve Polymer Blending System median surface compatibility to have
Effect means can also improve the lateral performance of material.
Liquid crystal polymer composite is prepared in such a way that double screw extruder is by melting extrusion.Liquid crystal polymer and tree
The strand of fat liquid crystal polymer in the blending process is orientated along flow field direction, and the rigid molecule of liquid crystal polymer can be orientated shape
At the compact arranged fento of big L/D ratio.Crazing is formed by when material is by outer force effect to encounter with microfibrillar structure
Can be hindered when liquid crystal regular regional, therefore the mechanical property of material can be improved.Since the presence of ionic group improves
Compatibility of the liquid crystal polymer auxiliary agent in ABS-38 resins.
During liquid crystal polymer and resin alloy, viscosity will be decreased obviously on molecular chain orientation direction, also be solved
It the problem of high-viscosity polymer processing difficulties of having determined, reduces to the loss for equipment in polymer process engineering.By liquid crystal
Pluronic polymer is added in resin, can significantly change the mobility of blend, facilitate processing.By the liquid containing nitrogen
Crystalline polymer addition resin prepares composite material, can improve the flame retardant property of composite material.
Composite material prepared by the liquid crystal polymer additive modification resin of the present invention, hence it is evident that improve the items of composite material
Performance and reduce difficulty of processing；The contour machining procedures such as injection moulding, compression molding may be used in its moulded products, can be with
The good moulded products of dimensional accuracy are provided.The present invention liquid crystal composite material can auto parts and components, precision electronic device,
In optical fiber, medical instrument, waterproof material, field of textiles, insulating materials, energy storage material, flak jackets or parachute field
Using.
Description of the drawings
Fig. 1 is the petrographic microscope for the liquid crystal polymer auxiliary agent with ion that 5 step 1 of the embodiment of the present invention is prepared
Figure, amplification factor are 200 times；Figure a is microscope figure of the temperature between fusing point and clearing point temperature, passes through petrographic microscope
Texture of the liquid crystal polymer auxiliary agent observed in liquid crystal section shows the high molecular texture shape of nematic nematic liquid crystal
State；B is microscope figure when temperature is higher than clearing point temperature, on polarized light microscope observing liquid crystal polymer clearing point
Isotropic state is presented in form.
Fig. 2 is the petrographic microscope for the liquid crystal polymer auxiliary agent with ion that 6 step 1 of the embodiment of the present invention is prepared
Figure, amplification factor are 200 times；Figure a is microscope figure of the temperature between fusing point and clearing point temperature, passes through petrographic microscope
Texture of the liquid crystal polymer auxiliary agent observed in liquid crystal section, shows the textured finish of nematic ball liquid crystal polymer；b
It is higher than microscope figure when clearing point temperature for temperature, passes through the shape on polarized light microscope observing liquid crystal polymer clearing point
Isotropic state is presented in state.
Fig. 3 schemes for the SEM for the composite material that in the embodiment of the present invention 7 prepared by 9% liquid crystal polymer auxiliary agent, ABS-38.By
Figure as it can be seen that with liquid crystal polymer auxiliary agent addition, composite system do not occur two phase structure, liquid crystal polymer auxiliary agent
It is uniformly dispersed in resin matrix, this is because the introducing of liquid crystal polymer auxiliary agent intermediate ion group, increases matrix and help
Interfacial adhesion between agent reduces interfacial tension between the two, increases compatibility.
Below in conjunction with attached drawing by example, invention is further described in detail, but following examples are only this hair
Bright example, does not represent rights protection scope defined by the present invention, and the scope of the present invention is wanted with right
It asks subject to book.
Specific implementation mode
Petrographic microscope used in the present invention uses LEICA DMRX type petrographic microscopes, carries thermal station, and thermal station is
The THMSE600 of Linkam companies of Britain；Scanning electron microscope (SEM) uses the Flied emission of JSM-700lF models in the present invention
Scanning electron microscope.
Universal testing machine used in the present invention is MTS companies CMT4204；Numerical digit impact examination used in the present invention
Test the 7054HML that machine is the production of high Inland Steel；Extruder is Nanjing Jie Ente SHJ-20；
The present invention squeezes out the composite material of liquid crystal polymer and resin by double screw extruder, is molded into using injection molding machine
Type is the BS-II type injection (mo(u)lding) machines of Borche Machinery Co., Ltd..
Extension test is melted according to GB/T-1042, shock-testing according to GB/T-1843 according to GB/T-1040, crooked test
Melt index test according to GB/T-3682.
Material in the embodiment of the present invention is both from commercial products.
Embodiment 1
Step 1：Prepare the liquid crystal polymer auxiliary agent with ionic group
(1), weigh 0.365mol to the p-phenylenediamine of xenol and 0.1mol, 0.035mol it is bright orange, 0.4mol
Adipoyl Chloride and 0.01mol suberoyl chlorine, for use；
(2), will to xenol, p-phenylenediamine and it is bright orange be dissolved in DMF, obtain mixed liquor I；
(3), the pyridine of 79mL is added in the mixed liquor I, obtains mixed liquor II；
(4), Adipoyl Chloride and suberoyl chlorine are dissolved in DMF, are slowly added in mixed liquor II, after stirring 30min；It rises
Temperature reacts 36h to 110 DEG C；Obtain mixed liquor III；
(5), ethyl alcohol is added into mixed liquor III to be precipitated, through multiple filter wash, vacuum drying obtains carrying polar ionic groups
Liquid crystal polymer auxiliary agent；
Step 2：The liquid crystal polymer auxiliary agent with ionic group prepared in step 1, ABS-38 are blended, through double spiral shells
Bar extruder melting extrusion, each area's temperature (DEG C) range of double screw extruder is respectively 210,230,245,245,230, twin-screw
Rotating speed is 130r/min, and the pelletizing after water-carrying groove cools down of the material strip of extrusion obtains product.
Every group of resin is added into the physical mechanical property that different amounts of liquid crystal polymer auxiliary agent measures composite material and is shown in Table 1
The physical mechanical property of composite material made from 1 liquid crystal polymer auxiliary agent of table, ABS-38
Embodiment 2
Step 1：Prepare the liquid crystal polymer auxiliary agent with ionic group
(1), the hydroquinone and 0.1mol4- hydroxybenzoic acids -4 '-hydroxy benzenes phenolic ester, 0.08mol of 0.32mol are weighed
Bright orange, 0.4mol Adipoyl Chloride and 0.1mol paraphthaloyl chlorides, for use；
(2), by hydroquinone, 4-HBA -4 '-hydroxy benzenes phenolic ester and it is bright orange be dissolved in DMF, obtain mixed liquor
Ⅰ；
(3), the pyridine of 79mL is added in the mixed liquor I, obtains mixed liquor II；
(4), by Adipoyl Chloride and paraphthaloyl chloride be dissolved in DMF, be slowly added in mixed liquor II, stir
After 30min；110 DEG C are warming up to, reaction is for 24 hours；Obtain mixed liquor III；
(5), ethyl alcohol is added into mixed liquor III to be precipitated, through multiple filter wash, vacuum drying obtains the liquid with ionic group
Polycrystalline macromolecule auxiliary agent；
Step 2：The liquid crystal polymer auxiliary agent with ionic group prepared in step 1, ABS-38 are blended, through double spiral shells
Bar extruder melting extrusion, each area's temperature (DEG C) range of double screw extruder is respectively 235,270,280,280,265, twin-screw
Rotating speed is 180r/min, and the pelletizing after water-carrying groove cools down of the material strip of extrusion obtains product.
It every group of resin is added into different amounts of liquid crystal polymer measures the physical mechanical property of composite material and be shown in Table 2
The physical mechanical property of composite material made from 2 liquid crystal polymer auxiliary agent of table, ABS-38
Embodiment 3
Step 1：Prepare the liquid crystal polymer auxiliary agent with ionic group
(1), weigh 0.35mol hydroquinone and 0.1mol 4,4 '-dihydroxydiphenylsulisomers and 0.05mol it is bright orange,
The Adipoyl Chloride and 0.1mol sebacoyl chlorides of 0.4mol, for use；
(2), by hydroquinone, 4,4 '-dihydroxydiphenylsulisomers and it is bright orange be dissolved in DMF, obtain mixed liquor I；
(3), the pyridine of 79mL is added in the mixed liquor I, obtains mixed liquor II；
(4), Adipoyl Chloride and sebacoyl chloride are dissolved in DMF, are slowly added in mixed liquor II, after stirring 30min；It rises
Temperature reacts 48h to 110 DEG C；Obtain mixed liquor III；
(5), ethyl alcohol is added into mixed liquor III to be precipitated, through multiple filter wash, vacuum drying obtains the liquid with ionic group
Polycrystalline macromolecule auxiliary agent；
Step 2：The liquid crystal polymer auxiliary agent with ionic group prepared in step 1, ABS-38 are blended, through double spiral shells
Bar extruder melting extrusion, each area's temperature (DEG C) range of double screw extruder is respectively 230,260,280,280,265, twin-screw
Rotating speed is 200r/min, and the pelletizing after water-carrying groove cools down of the material strip of extrusion obtains product.
It every group of resin is added into different amounts of liquid crystal polymer measures the physical mechanical property of composite material and be shown in Table 3
The physical mechanical property of composite material made from 3 liquid crystal polymer auxiliary agent of table, ABS-38
Embodiment 4
Step 1：Prepare the liquid crystal polymer auxiliary agent with ionic group
(1), weigh 0.3mol hydroquinone and the bisphenol-A of 0.1mol, 0.1mol it is bright orange and 0.5mol to benzene two
Formyl chloride, for use；
(2), by hydroquinone, bisphenol-A and it is bright orange be dissolved in DMF, obtain mixed liquor I；
(3), the pyridine of 79mL is added in the mixed liquor I, obtains mixed liquor II；
(4), paraphthaloyl chloride is dissolved in DMF, is slowly added in mixed liquor II, after stirring 30min；It is warming up to 80
DEG C, reaction is for 24 hours；Obtain mixed liquor III；
(5), ethyl alcohol is added into mixed liquor III to be precipitated, through multiple filter wash, vacuum drying obtains carrying polar ionic groups
Liquid crystal polymer auxiliary agent；
Step 2：The liquid crystal polymer auxiliary agent with ionic group prepared in step 1, ABS-38 are blended, through double spiral shells
Bar extruder melting extrusion, each area's temperature (DEG C) range of double screw extruder is respectively 210,220,235,235,225, twin-screw
Rotating speed is 200r/min, and the pelletizing after water-carrying groove cools down of the material strip of extrusion obtains product.Every group of resin is added into different amounts of liquid
The physical mechanical property that crystalline polymer measures composite material is shown in Table 4
The physical mechanical property of composite material made from 4 liquid crystal polymer auxiliary agent of table, ABS-38
Embodiment 5
Step 1：Prepare the liquid crystal polymer auxiliary agent with ionic group
(1), weigh 0.35mol hydroquinone, 0.1mol4,4 '-'-biphenyl diphenols, 0.05mol 2,5- dihydroxy benzenes sulphurs
Acid, the Adipoyl Chloride of 0.4mol and 0.1mol paraphthaloyl chlorides, for use；
(2), by hydroquinone, 4,4 '-'-biphenyl diphenols and 2,5- dihydroxy benzenes sulfonic acids are dissolved in DMF, obtain mixed liquor
Ⅰ；
(3), the pyridine of 79mL is added in the mixed liquor I, obtains mixed liquor II；
(4), Adipoyl Chloride and paraphthaloyl chloride are dissolved in DMF, are slowly added in mixed liquor II, stir 30min
Afterwards；90 DEG C are warming up to, 30h is reacted；Obtain mixed liquor III；
(5), ethyl alcohol is added into mixed liquor III to be precipitated, through multiple filter wash, vacuum drying obtains carrying polar ionic groups
Liquid crystal polymer auxiliary agent；
Step 2：By in the liquid crystal polymer auxiliary agent with ionic group prepared in step 1, ABS-38 blending resins,
Through double screw extruder melting extrusion, each area's temperature (DEG C) range of double screw extruder is respectively 210,230,245,245,230,
Twin-screw rotating speed is 220r/min, and the pelletizing after water-carrying groove cools down of the material strip of extrusion obtains product.
It every group of resin is added into different amounts of liquid crystal polymer measures the physical mechanical property of composite material and be shown in Table 5
The physical mechanical property of composite material made from 5 liquid crystal polymer auxiliary agent of table, ABS-38
Embodiment 6
Step 1：Prepare the liquid crystal polymer auxiliary agent with ionic group
(1), the hydroquinone of 0.34mol, 4, the 4 '-diaminodiphenylmethane and the 2,5- of 0.06mol of 0.1mol are weighed
Dihydroxy benzenes sulfonic acid, the Adipoyl Chloride of 0.3mol, the suberoyl chlorine of 0.1mol and 0.1mol paraphthaloyl chlorides, for use；
(2), by hydroquinone, 4,4 '-diaminodiphenylmethane and 2,5- dihydroxy benzenes sulfonic acids are dissolved in DMF, obtain
Mixed liquor I；
(3), the pyridine of 79mL is added in the mixed liquor I, obtains mixed liquor II；
(4), diacid chloride, suberoyl chlorine and paraphthaloyl chloride are dissolved in DMF, are slowly added in mixed liquor II,
After stirring 30min；100 DEG C are warming up to, 30h is reacted；Obtain mixed liquor III；
(5), ethyl alcohol is added into mixed liquor III to be precipitated, through multiple filter wash, vacuum drying obtains carrying polar ionic groups
Liquid crystal polymer auxiliary agent；
Step 2：By in the liquid crystal polymer auxiliary agent with ionic group prepared in step 1, ABS-38 blending resins,
Through double screw extruder melting extrusion, each area's temperature (DEG C) range of double screw extruder is respectively 210,230,245,245,230,
Twin-screw rotating speed is 220r/min, and the pelletizing after water-carrying groove cools down of the material strip of extrusion obtains product.
It every group of resin is added into different amounts of liquid crystal polymer measures the physical mechanical property of composite material and be shown in Table 6
The physical mechanical property of composite material made from 6 liquid crystal polymer auxiliary agent of table, ABS-38
Embodiment 7
Step 1：Prepare the liquid crystal polymer auxiliary agent with ionic group
(1), weigh the hydroquinone of 0.2mol, the 1,4-butanediol of 0.1mol, 0.15mol 4,4 '-diamino hexichol
Sulfone, 2, the 5- dihydroxy benzenes sulfonic acids of 0.05mol, the Adipoyl Chloride of 0.4mol and 0.1mol sebacoyl chlorides, for use；
(2), by hydroquinone, 1,4-butanediol, 4,4'-diaminodiphenyl sulfone and 2,5- dihydroxy benzenes sulfonic acids are dissolved in
In DMF, mixed liquor I is obtained；
(3), the pyridine of 79mL is added in the mixed liquor I, obtains mixed liquor II；
(4), Adipoyl Chloride and sebacoyl chloride are dissolved in DMF, are slowly added in mixed liquor II, after stirring 30min；It rises
Temperature is to 100 DEG C, and reaction is for 24 hours；Obtain mixed liquor III；
(5), ethyl alcohol is added into mixed liquor III to be precipitated, through multiple filter wash, vacuum drying obtains carrying polar ionic groups
Liquid crystal polymer auxiliary agent；
Step 2：By in the liquid crystal polymer auxiliary agent with ionic group prepared in step 1, ABS-38 blending resins,
Through double screw extruder melting extrusion, each area's temperature (DEG C) range of double screw extruder is respectively 210,220,235,235,225,
Twin-screw rotating speed is 160r/min, and the pelletizing after water-carrying groove cools down of the material strip of extrusion obtains product.
It every group of resin is added into different amounts of liquid crystal polymer measures the physical mechanical property of composite material and be shown in Table 7
The physical mechanical property of composite material made from 7 liquid crystal polymer auxiliary agent of table, ABS-38
Claims (6)
1. a kind of liquid crystal polymer aid composite, which is characterized in that the composite material is by with 1~20% ion radical
The liquid crystal polymer auxiliary agent and resin compounded of group form, and the quality of the liquid crystal polymer auxiliary agent with ionic group is composite material
5 ‰~the 20% of gross mass, surplus are resin；
The liquid crystal polymer auxiliary agent with ionic group be by the mixing of two classes or three classes in glycol, diphenol or diamines,
Monomer with ionic group is formed with acyl chlorides polycondensation, the liquid crystal polymer auxiliary agent with ionic group be by R1, R2 and
The macromolecule for the linear random arrangement that R3 is formed with polycondensation, the sum of molar ratio of R1, R2 and R3 are that 100%, R1 is to use formulaThe structural unit of expression and/or use formulaThe structural unit of expression, R2 are to use formulaThe structural unit of expression uses formulaThe structural unit of expression, R3 are to use formulaThe structural unit of expression, R are aryl or alkyl；
The resin is the ABS of rubber content 38%；
Acyl chlorides isWherein, n is the integer of 1-3；M is 2-12
Integer.
2. liquid crystal polymer aid composite according to claim 1, which is characterized in that described with ionic group
Monomer is one kind in following structural formula：
3. liquid crystal polymer aid composite according to claim 1, which is characterized in that the diphenol is following knot
The one or more of structure formula：
Wherein, a is 1 or 2.
4. liquid crystal polymer aid composite according to claim 1, which is characterized in that the glycol is following knot
Structure formula：
Wherein, b is the integer of 2-12.
5. liquid crystal polymer aid composite according to claim 1, which is characterized in that the diamines is such as lower structure
One or more of formula：
Wherein c is the integer of 1-3；D is the integer of 2-12.
6. the preparation method of liquid crystal polymer aid composite according to claim 1, which is characterized in that including as follows
Step：
Step 1：Prepare the liquid crystal polymer auxiliary agent with ionic group
(1), in molar ratio weigh 1~20% monomer with ionic group, 50% acyl chlorides, surplus be glycol, diphenol or
Two classes in diamines or three classes, for use；
(2), by two classes or three classes in glycol, diphenol or diamines, the monomer with ionic group is dissolved in solvent, and solvent is
DMF obtains mixed liquor I；
(3), pyridine is added in the mixed liquor I, obtains mixed liquor II；
(4), acyl chlorides is also dissolved in DMF, after being then slowly added drop-wise in the mixed liquor II, is stirred evenly, slowly
60~180 DEG C are warming up to, 24~48h is reacted, obtains mixed liquor III；
(5), ethyl alcohol is added into mixed liquor III, solid is precipitated, through multiple filter wash, drying, obtains the liquid with ionic group
Polycrystalline macromolecule auxiliary agent；
Step 2：The ABS resin of liquid crystal polymer auxiliary agent and rubber content 38% with ionic group prepared by step 1
Mixing, through double screw extruder melting extrusion, each area's temperature range of double screw extruder is respectively 210~235 DEG C, 220~270
DEG C, 235~280 DEG C, 225~265 DEG C, twin-screw rotating speed be 120~250 revs/min, the material strip of extrusion is after water-carrying groove cools down
Pelletizing obtains product.
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