CN110330778A - A kind of antistatic high temperature resistant fire retardation PC alloy and preparation method thereof - Google Patents
A kind of antistatic high temperature resistant fire retardation PC alloy and preparation method thereof Download PDFInfo
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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Abstract
The invention discloses a kind of antistatic high temperature resistant fire retardation PC alloys and preparation method thereof.Antistatic high temperature resistant fire retardation PC alloy includes following components in percentage by weight: 60-80 parts of PC resin, 8-15 parts of SAN resin, 5-10 parts of ABS high glue powder, 2-15 parts of polyarylate resin, 0.3-0.5 parts of antioxidant, 0.1-0.5 parts of lubricant, 1-5 parts of toughener, 7-10 parts of fire retardant, 0.5-2 parts of conductive material；Preparation method are as follows: dry PC resin, SAN resin, polyarylate resin in advance, it is stirred evenly with ABS high glue powder, antioxidant, lubricant, toughener, conductive material, it is put into double screw extruder and squeezes out, is granulated, fire retardant is added by way of side feed material, obtains finished product by tie rod, cooling, pelletizing.PC alloy of the invention has the advantages that mechanical property is good, flame retardant property is good, high temperature resistant, antistatic.
Description
Technical field
The present invention relates to technical field of polymer composite materials, more specifically, it relates to which a kind of antistatic high temperature resistant hinders
Fire PC alloy and preparation method thereof.
Background technique
Polycarbonate (PC) has good impact resistance and the transparency, and there are also wide, weather-proof, nontoxic etc. using temperature
Advantage, but there is also poor fluidity, be easy to happen cracking, to notch sensitive, wear no resistance the disadvantages of；Acryl-butadiene-
Styrol copolymer (ABS) then has the characteristics that intensity height, good toughness, easy processing, the resulting PC/ABS of the two blending and modifying close
Jin Ze combines the excellent properties of PC and ABS, but the too low heat distortion temperature of ABS has dragged down the use temperature model of PC/ABS alloy
It encloses, and because ABS has inflammability, need to add a large amount of fire retardant makes PC/ABS alloy reach flame retardant effect, currently used
Halogen-free flame retardants is general phosphorus flame retardant, and the addition of phosphorus flame retardant will be greatly reduced the mechanical property of PC/ABS alloy
And heat resistance.
PC and ABS is not conductive high molecular material, and the surface electrostatic lotus of PC/ABS alloy is in processing, transport and use
The problems such as easily causing dirt attraction, demoulding difficulty, static discharge in the process, therefore PC/ABS alloy will have centainly to conduction
Property, to prevent internal discharge.
Therefore, research and develop a kind of good mechanical property, high temperature resistant, antistatic fire retardation PC alloy material be need solve ask
Topic.
Summary of the invention
In view of the deficienciess of the prior art, the first purpose of this invention be to provide a kind of antistatic high temperature resistant it is fire-retardant
PC alloy is blended by addition polyarylate with PV and ABS, is formed PAR-PC-ABS structure, is made PC alloy with excellent
In the case where flame retardant property, the heat resistance and mechanical property of PC alloy are improved, while adding the conductive material that high temperature is not easily decomposed,
Make PC alloy that there is preferable antistatic property.
Second object of the present invention is to provide a kind of preparation method of antistatic high temperature resistant fire retardation PC alloy, have
The simple advantage of preparation method.
To realize above-mentioned first purpose, the present invention provides the following technical scheme that a kind of antistatic high temperature resistant fire retardation PC
Alloy, including following components in percentage by weight:
60-80 parts of PC resin
8-15 parts of SAN resin
5-10 parts of ABS high glue powder
2-15 parts of polyarylate resin
0.3-0.5 parts of antioxidant
0.1-0.5 parts of lubricant
1-5 parts of toughener
7-10 parts of fire retardant
0.5-2 parts of conductive material.
By using above-mentioned technical proposal, adopted due to being had using antistatic high temperature resistant fire retardation PC alloy material of the invention
Use PC, ABS, PAR resin as basic resin, PC and PAR, ABS, which is utilized, the characteristics of preferable compatibility, forms PAR-
The alloy material of PC-ABS structure, polyarylate it is heat-resist, wider using temperature, mechanical performance and excellent electrical property have prominent
Impact resistance and resilience out solve single PC/ABS alloy poor heat resistance using the higher heat distortion temperature of PAR
Disadvantage, and can improve because fire retardant be added caused by mechanical properties decrease the problem of, given using the electric conductivity of conductive material
The performance of PC alloy antistatic.
Further, the PC resin be bisphenol A-type PC resin, melt flow rate (MFR) be 15-20g/10min (300 DEG C,
Under 1.2kg pressure), it is polymerized by bisphenol-A and diphenyl carbonate 1:1, is finally granulated and is made by extruder；
The SAN resin is styrene acrylonitrile copolymer, and wherein the weight percent content of styrene is 75%, acrylic acid weight
Amount degree is that the melt flow rate (MFR) of 25%, SAN resin is 3g/10min (200 DEG C, 5kg pressure under).
Further, the antioxidant is the mass ratio of pentaerythritol ester antioxidant and phosphite antioxidant according to 2:1
It is mixed.
By using above-mentioned technical proposal, by using the cooperation of pentaerythritol ester antioxidant and phosphite antioxidant,
The high temperature resistance and anti-yellowing property for making PC alloy material get a promotion.
Further, the ABS high glue powder is acrylonitrile-butadiene-styrene copolymer, wherein the weight hundred of butadiene
Divide than being 60%, the weight percent of acrylonitrile is 26%, and the weight percent of styrene is 14%.
By using above-mentioned technical proposal, the high glue powder for the ABS that butadiene weight percent is 60% has with PC resin
Good compatibility can reduce the melt viscosity of PC resin, improve processing performance, and internal stress and the impact for reducing PC alloy are strong
Degree.
Further, the lubricant is pentaerythritol stearate, and fire retardant is that bisphenol-A-is bis- (diphenyl phosphoester),
Toughener is MBS resin, and conductive material is ionic liquid.
By using above-mentioned technical proposal, use pentaerythritol stearate as lubricant, has at high temperature fine
Thermal stability and low volatility, the transparency and surface smoothness of PC alloy can be improved；Bisphenol-A-is bis- (diphenyl phosphoester)
It is the environment friendly flame retardant of Halogen, low cigarette, low toxicity, good with the compatibility of polycarbonate, MBS resin is increasing PC alloy ductility
Meanwhile the transparency of PC alloy can be kept to greatest extent, and ionic liquid has sufficiently large conductivity, and it is electrochemically stable, as
Conductive material, compared with common antistatic agent, ionic liquid is not easily decomposed at high operating temperatures, will not cause the mechanics of PC alloy
Reduced performance, and can increase the antistatic effect of PC alloy.
To realize above-mentioned second purpose, the present invention provides the following technical scheme that a kind of antistatic high temperature resistant fire retardation PC
The preparation method of alloy, comprising the following steps:
(1) PC resin, SAN resin, the preparatory drying and processing of polyarylate resin；
(2) PC resin, SAN resin and the polyarylate resin in step (1) after drying are taken, with ABS high glue powder, antioxidant, lubrication
Agent, toughener, conductive material, stir evenly；
(3) material that step (2) is mixed to get is put into extruding pelletization in double screw extruder, fire retardant claims to use side by liquid
The mode of feeding is added；
(4) finished product is obtained by tie rod, cooling, pelletizing.
Further, PC resin, SAN resin and polyarylate resin are dried to water content < in the step (1)
0.02%.
Further, speed of agitator is 500-600r/min, mixing time 10-15min in the step (2).
Further, the draw ratio of double screw extruder is 36 in the step (3), screw speed 300-500r/
Min, liquid are known as liquid weightlessness and claim, and temperature is 80-100 DEG C.
Further, the feeding section temperature of double screw extruder is 200-230 DEG C in the step (3), melt zone temperature
It is 230-270 DEG C, homogenizing zone temperature is 260-280 DEG C, and head temperature is 260-280 DEG C.
In conclusion the invention has the following advantages:
The first, divided based on PC since the present invention uses PC, ABS, PAR resin to be utilized as basic resin novelty
Can not there be the characteristics of preferable compatibility with PAR, ABS, form the alloy material of PAR-PC-ABS structure, it is higher using PAR
Heat distortion temperature solves the disadvantage that single PC/ABS alloy poor heat resistance, and the electric conductivity of conductive material is utilized to give material
Expect the performance of antistatic.
The second, preferably using using ionic liquid as conductive material in the present invention, due to the heat-resisting quantity of ionic liquid
Can be good, it is not easily decomposed, and conductivity is big, to make PC alloy at high operating temperatures, still has preferable anti-at high operating temperatures
Electrostatic efficiency.
Third, method of the invention, by the way that PC resin, ABS resin and PAR resin are dried in advance, then with antioxidant, profit
Lubrication prescription, toughener and conductive material mixing, and fire retardant then claims to add by way of side feed material liquid, reduces fire retardant pair
The influence of PC alloy mechanical property and heat resistance makes PC alloy have more excellent mechanical property and high temperature resistance, together
When have preferable anti-flammability.
Specific embodiment
Invention is further described in detail with reference to embodiments.
Embodiment
PC resin selects the PC02-20 of Ningbo Zhe Tie strong wind Chemical Co., Ltd. in embodiment 1-5, and SAN resin selects Korea Spro
The 80HF of state LG, ABS high glue powder be selected from South Korea Jin Hu sell HR181, polyarylate select TaiWan, China Yi Yi 1010 with
168, the PETS that lubricant selects U.S. dragon husky, toughener selects the M-722 of Japanese clock deep pool chemistry, and fire retardant selects Japan big by eight
CR741, antioxidant is selected from the husky antioxidant 1010 and irgasfos 168 of U.S. dragon, and conductive material selects the ionic liquid of BASF
Body BC07, bisphenol-A are selected from Guangzhou Jin Yixin commerce and trade Co., Ltd and sell HG-3876, and diphenyl carbonate is selected from Wuhan far at creating
The article No. that Science and Technology Ltd. sells is the diphenyl carbonate of 102-09-0.
Embodiment 1: a kind of antistatic high temperature resistant fire retardation PC alloy, raw material proportioning is as shown in table 1, the antistatic high temperature resistant
The preparation method of fire retardation PC alloy the following steps are included:
(1) 71kg PC resin, 8kg SAN resin, the preparatory drying and processing of 2kg polyarylate resin, are dried to water content <
0.02%；PC resin is bisphenol A-type PC resin, and melt flow rate (MFR) is 15g/10min (300 DEG C, 1.2kg pressure under), by double
Phenol A and diphenyl carbonate according to 1:1 mass ratio is aggregated, extruder extruding pelletization is made, SAN resin is styrene-acrylonitrile copolymer
The copolymer of nitrile, melt flow rate (MFR) are 3g/10min (200 DEG C, 5kg pressure under), and wherein the weight percent of styrene is
75%, the weight percent of acrylic acid is 25%；
(2) PC resin, SAN resin and the polyarylate resin in step (1) after drying are taken, with 10kg ABS high glue powder, 0.3kg
Antioxidant, 0.1kg lubricant, 5kg toughener, 0.5kg conductive material, stir evenly, speed of agitator 500r/min, when stirring
Between be 10min, ABS high glue powder be acrylonitrile-butadiene-styrene copolymer, wherein the weight percent of butadiene be
60%, the weight percent of acrylonitrile is 26%, and the weight percent of styrene is 14%；Antioxidant is pentaerythritol ester and Asia
Phosphate is formed according to the quality of 2:1 than mixed preparing, and lubricant is pentaerythritol stearate, and toughener is MBS resin, is led
Electric material is ionic liquid；
(3) material that step (2) is mixed to get is put into extruding pelletization in double screw extruder, 10kg fire retardant is claimed by liquid
It is added with the mode of side feed material, fire retardant is that bisphenol-A-is bis- (diphenyl phosphoester), and the draw ratio of double screw extruder is 36, spiral shell
Bar revolving speed is 300r/min, and liquid is known as liquid weightlessness and claims, and temperature is 80 DEG C, and feeding section temperature is 200 DEG C, and melt zone temperature is
230 DEG C, homogenizing zone temperature is 260 DEG C, and head temperature is 260 DEG C；
(4) finished product is obtained by tie rod, cooling, pelletizing.
The raw material proportioning of antistatic high temperature resistant fire retardation PC alloy in 1 embodiment 1-5 of table
Embodiment 2: a kind of antistatic high temperature resistant fire retardation PC alloy, raw material proportioning is as shown in table 1, and the antistatic high temperature resistant is fire-retardant
The preparation method of PC alloy the following steps are included:
(1) 66kg PC resin, 15g SAN resin, the preparatory drying and processing of 5kg polyarylate resin, are dried to water content <
0.02%；PC resin is bisphenol A-type PC resin, and melt flow rate (MFR) is 18g/10min (300 DEG C, 1.2kg pressure under), by double
Phenol A and diphenyl carbonate according to 1:1 mass ratio is aggregated, extruder extruding pelletization is made, SAN resin is styrene-acrylonitrile copolymer
The copolymer of nitrile, melt flow rate (MFR) are 3g/10min (200 DEG C, 5kg pressure under), and wherein the weight percent of styrene is
75%, the weight percent of acrylic acid is 25%；
(2) PC resin, SAN resin and the polyarylate resin in step (1) after drying are taken, it is anti-with 6kg ABS high glue powder, 0.4kg
Oxygen agent, 0.2kg lubricant, 2kg toughener, 1kg conductive material, stir evenly, speed of agitator 550r/min, and mixing time is
13min, ABS high glue powder are acrylonitrile-butadiene-styrene copolymer, and wherein the weight percent of butadiene is 60%, propylene
The weight percent of nitrile is 26%, and the weight percent of styrene is 14%；Antioxidant is that pentaerythritol ester is pressed with phosphite ester
It is formed according to the quality of 2:1 than mixed preparing, lubricant is pentaerythritol stearate, and toughener is MBS resin, and conductive material is
Ionic liquid；
(3) material that step (2) is mixed to get is put into extruding pelletization in double screw extruder, 7kg fire retardant is claimed by liquid
It is added with the mode of side feed material, fire retardant is that bisphenol-A-is bis- (diphenyl phosphoester), and the draw ratio of double screw extruder is 36, spiral shell
Bar revolving speed is 400r/min, and liquid is known as liquid weightlessness and claims, and temperature is 90 DEG C, and feeding section temperature is 220 DEG C, and melt zone temperature is
250 DEG C, homogenizing zone temperature is 270 DEG C, and head temperature is 270 DEG C；
(4) finished product is obtained by tie rod, cooling, pelletizing.
Embodiment 3: a kind of antistatic high temperature resistant fire retardation PC alloy, raw material proportioning is as shown in table 1, the antistatic high temperature resistant
The preparation method of fire retardation PC alloy the following steps are included:
(1) 61kg PC resin, 12g SAN resin, the preparatory drying and processing of 9kg polyarylate resin, are dried to water content <
0.02%；PC resin is bisphenol A-type PC resin, and melt flow rate (MFR) is 20g/10min (300 DEG C, 1.2kg pressure under), by double
Phenol A and diphenyl carbonate according to 1:1 mass ratio is aggregated, extruder extruding pelletization is made, SAN resin is styrene-acrylonitrile copolymer
The copolymer of nitrile, melt flow rate (MFR) are 3g/10min (200 DEG C, 5kg pressure under), and wherein the weight percent of styrene is
75%, the weight percent of acrylic acid is 25%；
(2) PC resin, SAN resin and the polyarylate resin in step (1) after drying are taken, it is anti-with 7kg ABS high glue powder, 0.5kg
Oxygen agent, 0.3kg lubricant, 4kg toughener, 1.2kg conductive material, stir evenly, speed of agitator 600r/min, mixing time
For 15min, ABS high glue powder is acrylonitrile-butadiene-styrene copolymer, and wherein the weight percent of butadiene is 60%,
The weight percent of acrylonitrile is 26%, and the weight percent of styrene is 14%；Antioxidant is pentaerythritol ester and phosphorous acid
Ester is formed according to the quality of 2:1 than mixed preparing, and lubricant is pentaerythritol stearate, and toughener is MBS resin, conduction material
Material is ionic liquid；
(3) material that step (2) is mixed to get is put into extruding pelletization in double screw extruder, 10kg fire retardant is claimed by liquid
It is added with the mode of side feed material, fire retardant is that bisphenol-A-is bis- (diphenyl phosphoester), and the draw ratio of double screw extruder is 36, spiral shell
Bar revolving speed is 500r/min, and liquid is known as liquid weightlessness and claims, and temperature is 100 DEG C, and feeding section temperature is 230 DEG C, melt zone temperature
It is 270 DEG C, homogenizing zone temperature is 280 DEG C, and head temperature is 280 DEG C；
(4) finished product is obtained by tie rod, cooling, pelletizing.
Embodiment 4-5: a kind of antistatic high temperature resistant fire retardation PC alloy, the difference from embodiment 1 is that, raw material proportioning such as table
Shown in 1, preparation method is same as Example 1.
Comparative example
Comparative example 1: a kind of antistatic high temperature resistant fire retardation PC alloy, the difference from embodiment 1 is that, it is not added with polyarylate resin.
Comparative example 2: a kind of antistatic high temperature resistant fire retardation PC alloy, the difference from embodiment 1 is that, it is not added with conduction material
Material.
Comparative example 3: a kind of antistatic high temperature resistant fire retardation PC alloy, the difference from embodiment 1 is that, it is not added with polyarylate tree
Rouge and conductive material.
Comparative example 4: a kind of antistatic high temperature resistant fire retardation PC alloy, the difference from embodiment 1 is that, fire retardant additive amount is
12%.
Comparative example 5: a kind of antistatic high temperature resistant fire retardation PC alloy, the difference from embodiment 1 is that, conductive material is by Foshan
The antistatic agent substitution for the model SAS93 that Jing Ding plastics Chemical Co., Ltd., city sells.
Performance detection test
Antistatic high temperature resistant fire retardation PC alloy is prepared according to method in embodiment 1-5 and comparative example 1-5, and according to the inspection in table 2
The PC alloy that survey method prepares each embodiment and each comparative example is tested for the property, and test result is reported in Table 3 below.
2 method for testing performance of table and testing conditions
The performance test results of 3 antistatic high temperature resistant fire retardation PC alloy of table
From table 3 it can be seen that adding a small amount of polyarylate resin under identical fire retardant additive amount and being able to ascend the fire-retardant of alloy
Performance reaches V-0 grades, but polyarylate flame retardant property is still not so good as fire retardant after all, can not 1:1 substitution.The poly- virtue of addition
Ester can also effectively promote the heat distortion temperature of alloy, widen the use temperature range of alloy, and on the other hand, impact resistance also has one
Fixed promotion, the compatible influence that polyarylate impact property is slightly below PC greatly reduces well by polyarylate, PC and ABS, instead
And because the addition of polyarylate slightly improves the impact property of PC/ABS alloy.
Addition ionic liquid still has as conductive material to increase the antistatic property of PC alloy under high temperature environment
Preferable antistatic property, and commercially available antistatic agent is under high temperature environment, antistatic effect is poor.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. a kind of antistatic high temperature resistant fire retardation PC alloy, which is characterized in that including following components in percentage by weight:
60-80 parts of PC resin
8-15 parts of SAN resin
5-10 parts of ABS high glue powder
2-15 parts of polyarylate resin
0.3-0.5 parts of antioxidant
0.1-0.5 parts of lubricant
1-5 parts of toughener
7-10 parts of fire retardant
0.5-2 parts of conductive material.
2. antistatic high temperature resistant fire retardation PC alloy according to claim 1, which is characterized in that the PC resin is bisphenol-A
Type PC resin, melt flow rate (MFR) are 15-20g/10min (300 DEG C, 1.2kg pressure under), are pressed by bisphenol-A and diphenyl carbonate
It is made according to being granulated after the mass ratio polymerization of 1:1 through extruder；
The SAN resin is styrene acrylonitrile copolymer, and wherein the weight percent content of styrene is 75%, acrylic acid weight
Amount degree is that the melt flow rate (MFR) of 25%, SAN resin is 3g/10min (200 DEG C, 5kg pressure under).
3. antistatic high temperature resistant fire retardation PC alloy according to claim 1, which is characterized in that the antioxidant is Ji Wusi
Alcohol ester antioxidant and phosphite antioxidant are mixed according to the mass ratio of 2:1.
4. antistatic high temperature resistant fire retardation PC alloy according to claim 1, which is characterized in that the ABS high glue powder is third
Alkene nitrile-butadiene-styrene copolymer, wherein the weight percent of butadiene is 60%, and the weight percent of acrylonitrile is 26%,
The weight percent of styrene is 14%.
5. antistatic high temperature resistant fire retardation PC alloy according to claim 1, which is characterized in that the lubricant is Ji Wusi
Alcohol stearate, fire retardant are that bisphenol-A-is bis- (diphenyl phosphoester), and toughener is MBS resin, and conductive material is ionic liquid.
6. a kind of preparation method of antistatic high temperature resistant fire retardation PC alloy according to claim 1-5, feature
It is, comprising the following steps:
(1) PC resin, SAN resin, the preparatory drying and processing of polyarylate resin；
(2) PC resin, SAN resin and the polyarylate resin in step (1) after drying are taken, with ABS high glue powder, antioxidant, lubrication
Agent, toughener, conductive material, stir evenly；
(3) material that step (2) is mixed to get is put into extruding pelletization in double screw extruder, fire retardant claims to use side by liquid
The mode of feeding is added；
(4) finished product is obtained by tie rod, cooling, pelletizing.
7. the preparation method of antistatic high temperature resistant fire retardation PC alloy according to claim 6, which is characterized in that the step
(1) PC resin, SAN resin and polyarylate resin are dried to water content < 0.02% in.
8. the preparation method of antistatic high temperature resistant fire retardation PC alloy according to claim 6, which is characterized in that the step
(2) speed of agitator is 500-600r/min, mixing time 10-15min in.
9. the preparation method of antistatic high temperature resistant fire retardation PC alloy according to claim 6, which is characterized in that the step
(3) draw ratio of double screw extruder is 36 in, and screw speed 300-500r/min, liquid is known as liquid weightlessness and claims, temperature
It is 80-100 DEG C.
10. the preparation method of antistatic high temperature resistant fire retardation PC alloy according to claim 6, which is characterized in that the step
Suddenly the feeding section temperature of double screw extruder is 200-230 DEG C in (3), and melt zone temperature is 230-270 DEG C, and homogenizing zone temperature is
260-280 DEG C, head temperature is 260-280 DEG C.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113025019A (en) * | 2019-12-09 | 2021-06-25 | 上海杰事杰新材料(集团)股份有限公司 | High-heat-resistance flame-retardant polycarbonate composite material and preparation method thereof |
| CN113969049A (en) * | 2021-12-13 | 2022-01-25 | 重庆华众新型材料有限公司 | Preparation method of solvent stress cracking resistant PC alloy |
| CN114539758A (en) * | 2022-03-15 | 2022-05-27 | 山东合创宏新材料科技有限公司 | Halogen-free flame-retardant PC/ABS composite material and preparation method thereof |
| CN114806150A (en) * | 2021-10-26 | 2022-07-29 | 安徽科高新材料有限公司 | Antistatic nylon and preparation method thereof |
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| CN114806150A (en) * | 2021-10-26 | 2022-07-29 | 安徽科高新材料有限公司 | Antistatic nylon and preparation method thereof |
| CN113969049A (en) * | 2021-12-13 | 2022-01-25 | 重庆华众新型材料有限公司 | Preparation method of solvent stress cracking resistant PC alloy |
| CN114539758A (en) * | 2022-03-15 | 2022-05-27 | 山东合创宏新材料科技有限公司 | Halogen-free flame-retardant PC/ABS composite material and preparation method thereof |
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Application publication date: 20191015 |