CN108752897A - Low smell PC/ABS alloys and preparation method thereof - Google Patents
Low smell PC/ABS alloys and preparation method thereof Download PDFInfo
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- CN108752897A CN108752897A CN201810569707.2A CN201810569707A CN108752897A CN 108752897 A CN108752897 A CN 108752897A CN 201810569707 A CN201810569707 A CN 201810569707A CN 108752897 A CN108752897 A CN 108752897A
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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
- C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
- C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K2201/001—Conductive additives
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- 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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Abstract
A kind of low smell PC/ABS alloys of present invention offer and preparation method thereof, which includes the following steps：It weighs and prepares raw material, mix, obtain mixture；In parts by weight, this prepares raw material and includes：5~80 parts of polycarbonate resin, 5~80 parts of acrylonitrile-butadiene-styrene resin, 0~40 part of filler, 0.2~10 part of auxiliary agent；It will melt, squeeze out, be granulated in mixture feeding to extruder and under microwave heating condition.Microwave is introduced into the preparation of PC/ABS composite materials by the present invention, it can ensure inside heat leak to raw material, it avoids hot-spot from leading to unnecessary overreaction, and then effectively reduces the micromolecular compound for being decomposed into peculiar smell when raw material production, it will be apparent that reduce the oder levels of PC/ABS alloys；It is simple for process, environmentally protective, the auxiliary agent of organic molecule is reduced without additional addition；The performance of PC/ABS alloys will not be impacted.
Description
Technical field
The present invention relates to field of polymer composite material, more particularly to low smell PC/ABS alloys and preparation method thereof.
Background technology
PC/ABS alloys are widely used in the industries such as automobile, household electrical appliances, electronics and medical instrument, however PC/ABS alloys make
With in the process, especially being released to some extent under the higher environment of temperature containing certain unpleasant or to human health
Smell.When smell reaches a certain concentration in automobile, driver and passenger are likely to occur dizziness, headache, tired and nauseous etc. symptoms, sternly
The liver, kidney, brain and nervous system that human body can be hurt when weight, cause failure of memory.It China will be July 1 in 2018
Day rise by existing proposed standard (《Air Quality Evaluation guide in passenger car》(GB/T27630-2011)) it is used as vehicle material
Pressure standard.Therefore, a kind of low smell PC/ABS alloys of exploitation and preparation method thereof have environmentally protective realistic meaning.
Currently, producing there are five types of the low common methods of smell PC/ABS alloys：
First, select PC resin, ABS resin and the auxiliary agent of low smell：Using the PC resin of low smell, ABS resin and help
When agent, the odorousness of organic molecule in composition can be reduced to a certain extent really.However, in fact, PC/ABS is closed
The smell of the extrusion pellet of gold is still larger, needs to be further processed it.Especially ABS resin usually contains residual in production process
The odorous organic molecule stayed, this increases difficulty to preferred low smell ABS resin.
Second, increase vacuum volatilization device in extruding pelletization workshop section：Vacuum plant is installed in screw extruder so that squeezing
Go out granulation process and keeps higher vacuum degree, this method processing conditions requirement for being widely used in PC/ABS alloy modification industries
Harsh and high energy consumption, while single vacuum volatilization device completely out can not have peculiar smell and the substance of volatilization, it is necessary to coordinate
Other measures use simultaneously.
Third is stripped the mixture of melting in extruding pelletization workshop section：Addition is rich in low boiling point volatile components
Reagent directly imports gas (such as carbon dioxide or nitrogen) in extruding pelletization workshop section, and this method can reduce to a certain extent
Peculiar smell concentration, but production cost and production difficulty can be obviously increased.
4th, it is toasted to squeezing out pellet：(90~140 DEG C) bakings of high temperature are carried out to squeezing out pellet, using this same
Sample is widely used in the smells of method treated the PC/ABS alloy granules of modified industry, and can to meet downstream client really low
The requirement of smell, but processing conditions requires harsh and high energy consumption, is unfavorable for large-scale continuous production；
5th, use odour absorbents：Various eliminating smell agents, such as aluminosilicate are added during PC/ABS alloy extruding pelletizations
Salt, activated carbon, porous silica, Woelm Alumina, porous molecular screen or the mixture being composed, this method production
PC/ABS alloys are easy to make to have under ramp case the gas of peculiar smell to release again, and these inorganic eliminating smell agents and PC resin
Or ABS resin compatibility is bad, may cause the decaying of material property.
Therefore, it is necessary to provide a kind of preparation method of simple, effective low smell PC/ABS alloys.
Invention content
Based on this, the first purpose of the application is to provide a kind of preparation method of low smell PC/ABS alloys.The preparation side
Method, smell that is simple for process and can effectively reducing PC/ABS alloys.
The purpose of the present invention is what is be achieved through the following technical solutions：
A kind of preparation method of low smell PC/ABS alloys, the preparation method include the following steps：
(1) it weighs and prepares raw material, mix, obtain mixture；In parts by weight, this prepares raw material and includes：Polycarbonate resin 5
~80 parts, 5~80 parts of acrylonitrile-butadiene-styrene resin, 0~40 part of filler, 0.2~10 part of auxiliary agent；
(2) it will melt, squeeze out, be granulated in the mixture feeding to extruder and under microwave heating condition, obtain low gas
Taste PC/ABS alloys.
The condition of the microwave heating includes in one of the embodiments,：Microwave heating temperature is 130~350 DEG C, micro-
Wave power is 0.05~30kW, and microwave frequency is 0.4~280GHz.
The condition of the microwave heating includes in one of the embodiments,：Microwave heating temperature is 150~320 DEG C, micro-
Wave power is 0.2~28kW, and microwave frequency is 0.8~250GHz.
The condition of the microwave heating includes in one of the embodiments,：Microwave heating temperature is 150~180 DEG C, micro-
Wave power is 20~28kW, and microwave frequency is 100~250GHz.
The raw material for preparing includes in one of the embodiments,：60~80 parts of polycarbonate resin, acrylic nitrile-butadiene two
5~15 parts of alkene-styrene resin, 15~25 parts of filler, 5~10 parts of auxiliary agent.
The polycarbonate resin is bisphenol A polycarbonate resin in one of the embodiments, and melt index is
2~150g/10min (300 DEG C, 1.2kg)；The acrylonitrile-butadiene-styrene resin is the acrylonitrile-of emulsion method synthesis
Butadiene styrene resin or/and the acrylonitrile-butadiene-styrene resin of substance law synthesis；The filler be talcum powder,
It is one or more in calcium carbonate, wollastonite, barium sulfate, mica, white carbon, aluminium powder；The auxiliary agent is heat stabilizer, light stabilization
It is one or more in agent, lubricant, antistatic agent.
The heat stabilizer is β-(3,5 di-tert-butyl-hydroxy phenyl) propionic acid octadecyl alcolol in one of the embodiments,
Ester, 1,3,5- tri- (4- tertiary butyl -3- hydroxyl -2,6- dimethyl benzyls) -1,3,5- triazines -2,4,6- (1H, 3H, 5H)-triketone,
N, N '-be bis--(3- (3,5- di-tert-butyl-hydroxy phenyls) propiono) hexamethylene diamine, three (2,4- di-tert-butyl di-t-butyls
Benzene) phosphite ester, bis- (2,4- di-tert-butyl-phenyls) pentaerythritol diphosphites, 2,2 '-ethylenebis (4,6- di-t-butyls
Phenyl) it is one or more in fluorophosphite.
The light stabilizer is one in hindered amine light stabilizer or ultra-violet absorber in one of the embodiments,
Kind is several.
The lubricant is one kind in low molecule esters stearic acid, metallic soap, erucic acid class in one of the embodiments,
Or it is a variety of；The antistatic agent is one or more in polyetheramides, conductive black.
In the present invention, heat stabilizer can improve the heatproof air aging performance of material in use, and light stabilizer can
To improve the light aging resisting property of material in use, lubricant can reduce material production process shear action,
Antistatic agent can prevent material electrostatic to be enriched with.
It is a further object of the present invention to provide a kind of low smell PC/ABS alloys that above-mentioned preparation method obtains.
The principle of the present invention and compared with the existing technology the advantages of it is as follows：
Inventor has found that existing PC/ABS alloys are during extruding pelletization in long-term theory research and production practices
Using traditional heating mode, such as electrical heating, fuel heating, steam heating, solar energy heating mode of heating, these tradition
Mode of heating mainly by heat transfer heated material, this process is easy to cause reactant hot-spot, induces and generates by-product
Overreaction, and then keep the peculiar smell for the PC/ABS alloys that production obtains larger.
Based on this, microwave is creatively introduced into PC/ABS alloy preparation process by preparation method of the invention, especially
It is by using suitable microwave heating temperature, microwave power and microwave frequency, it can be ensured that heat leak to PC, ABS divides greatly
The inside of son and additive molecule (such as filler, auxiliary agent etc.), avoids hot-spot from leading to unnecessary overreaction, Jin Eryou
Effect reduces the micromolecular compound that PC, ABS or other component are decomposed into peculiar smell when producing PC/ABS alloys, it will be apparent that reduces
The concentration of odorous organic micromolecule compound in PC/ABS alloys；Also, the production method is simple for process, environmentally protective, nothing
Need to additionally add reduces the auxiliary agent or technique of smell；The production method performance of itself will not cause shadow to PC/ABS alloys
It rings, and reaction process can be promoted to have the exclusion of peculiar smell organic micromolecule compound, obtain the PC/ABS alloys of low smell, it can be wide
It is general to be applied to the materials industries such as automobile, household electrical appliances, electronics, medical instrument and packaging.
Specific implementation mode
It to facilitate the understanding of the present invention, below will be to invention is more fully described.But the present invention can be to be permitted
Mostly different form is realized, however it is not limited to embodiment described herein.Make on the contrary, purpose of providing these embodiments is
It is more thorough and comprehensive to the understanding of the disclosure.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention
The normally understood meaning of technical staff is identical.Used term is intended merely to description tool in the description of the invention herein
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more phases
Any and all combinations of the Listed Items of pass.
Raw material involved by the embodiment of the present invention is marketable material.
Embodiment 1
The present embodiment provides a kind of low smell PC/ABS alloys and preparation method thereof.
The low smell PC/ABS alloys include following raw material (by weight)：
The preparation method of above-mentioned low smell PC/ABS alloys, steps are as follows：
(1) PC resin, ABS resin, filler and the auxiliary agent for mixing the parts by weight, obtain mixture；
(2) step (1) described mixture is placed in the spout for the single screw extrusion machine that microwave is heat source, microwave is set
Heating temperature is 150 DEG C, microwave power 28kW, microwave frequency 250GHz；
(3) molten mixture that step (2) squeezes out is cooled to fusing point hereinafter, cutting into evenly sized grain through pelleter
Material；Obtain low smell PC/ABS alloys.
Embodiment 2
The present embodiment provides a kind of low smell PC/ABS alloys and preparation method thereof.
The low smell PC/ABS alloys include following raw material (by weight)：
The preparation method of above-mentioned low smell PC/ABS alloys, steps are as follows：
(1) PC resin, ABS resin, filler and the auxiliary agent for mixing the parts by weight, obtain mixture；
(2) step (1) described mixture is placed in the spout for the double screw extruder that microwave is heat source, microwave is set
Heating temperature is 180 DEG C, microwave power 20kW, microwave frequency 100GHz；
(3) molten mixture that step (2) squeezes out is cooled to fusing point hereinafter, cutting into evenly sized grain through pelleter
Material；Obtain low smell PC/ABS alloys.
Embodiment 3
The present embodiment provides a kind of low smell PC/ABS alloys and preparation method thereof.
The low smell PC/ABS alloys include following raw material (by weight)：
The preparation method of above-mentioned low smell PC/ABS alloys, steps are as follows：
(1) PC resin, ABS resin, filler and the auxiliary agent for mixing the parts by weight, obtain mixture；
(2) step (1) described mixture is placed in the spout for the single screw extrusion machine that microwave is heat source, microwave is set
Heating temperature is 200 DEG C, microwave power 5kW, microwave frequency 30GHz；
(3) molten mixture that step (2) squeezes out is cooled to fusing point hereinafter, cutting into evenly sized grain through pelleter
Material；Obtain low smell PC/ABS alloys.
Embodiment 4
The present embodiment provides a kind of low smell PC/ABS alloys and preparation method thereof.
The low smell PC/ABS alloys include following raw material (by weight)：
The preparation method of above-mentioned low smell PC/ABS alloys, steps are as follows：
(1) PC resin, ABS resin, filler and the auxiliary agent for mixing the parts by weight, obtain mixture；
(2) step (1) described mixture is placed in the spout for the double screw extruder that microwave is heat source, microwave is set
Heating temperature is 250 DEG C, microwave power 1kW, microwave frequency 9GHz；
(3) molten mixture that step (2) squeezes out is cooled to fusing point hereinafter, cutting into evenly sized grain through pelleter
Material；Obtain low smell PC/ABS alloys.
Embodiment 5
The present embodiment provides a kind of low smell PC/ABS alloys and preparation method thereof.
The low smell PC/ABS alloys include following raw material (by weight)：
The preparation method of above-mentioned low smell PC/ABS alloys, steps are as follows：
(1) PC resin, ABS resin, filler and the auxiliary agent for mixing the parts by weight, obtain mixture；
(2) step (1) described mixture is placed in the spout for the single screw extrusion machine that microwave is heat source, microwave is set
Heating temperature is 300 DEG C, microwave power 0.5kW, microwave frequency 4GHz；
(3) molten mixture that step (2) squeezes out is cooled to fusing point hereinafter, cutting into evenly sized grain through pelleter
Material；Obtain low smell PC/ABS alloys.
Embodiment 6
The present embodiment provides a kind of low smell PC/ABS alloys and preparation method thereof.
The low smell PC/ABS alloys include following raw material (by weight)：
The preparation method of above-mentioned low smell PC/ABS alloys, steps are as follows：
(1) PC resin, ABS resin and the auxiliary agent for mixing the parts by weight, obtain mixture；
(2) step (1) described mixture is placed in the spout for the double screw extruder that microwave is heat source, microwave is set
Heating temperature is 320 DEG C, microwave power 0.2kW, microwave frequency 0.8GHz；
(3) molten mixture that step (2) squeezes out is cooled to fusing point hereinafter, cutting into evenly sized grain through pelleter
Material；Obtain low smell PC/ABS alloys.
Comparative example 1
This comparative example is the comparative example of embodiment 1.
The raw material and proportioning of the PC/ABS alloys of this comparative example are same as Example 1.
The preparation method of above-mentioned PC/ABS alloys, steps are as follows：
(1) PC resin, ABS resin, filler and the auxiliary agent for mixing the parts by weight, obtain mixture；
(2) in the spout for the single screw extrusion machine that step (1) described mixture is placed in traditional heat source (electrical heating), if
It is 150 DEG C to set heating temperature；
(3) molten mixture that step (2) squeezes out is cooled to fusing point hereinafter, cutting into evenly sized grain through pelleter
Material；Obtain PC/ABS alloys.
Comparative example 2
This comparative example is the comparative example of embodiment 2.
The raw material and proportioning of the PC/ABS alloys of this comparative example are same as Example 2, and difference is mainly microwave treatment.
The preparation method of above-mentioned PC/ABS alloys, including steps are as follows：
(1) PC resin, ABS resin, filler and the auxiliary agent for mixing the parts by weight, obtain mixture；
(2) step (1) described mixture is placed in the spout for the double screw extruder that microwave is heat source, microwave is set
Heating temperature is 360 DEG C, microwave power 30kW, microwave frequency 300GHz；
(3) molten mixture that step (2) squeezes out is cooled to fusing point hereinafter, cutting into evenly sized grain through pelleter
Material；Obtain PC/ABS alloys.
The PC/ABS alloys of 200g are put into dedicated 1L odor bottles, is sealed and is put into 80 DEG C of convection oven after odor bottle
Middle constant temperature stores 2h；It then takes out odor bottle to be placed in room temperature and be cooled to 30 DEG C, smell appraiser is rapid traversing to open smell
Bottle lid (lid cannot lift) go forward side by side promoting the circulation of qi taste assessment；Each sample needs 5 smell evaluators by the oder levels of table 1
Evaluation criterion carries out smell assessment.
1 odor test evaluation criterion of table
When maximum value in 5 smell evaluator gradings subtracts minimum value less than 1.5, then smell series is 5 smells
The average of appraiser's grading.Average series is reducible to 0.5 grade, and specific rules are as follows：
When value after average series decimal point is less than 0.25, the value after fractions omitted point (such as 3.22 take 3.0)；
When value after average series decimal point is greater than or equal to 0.25 and is less than 0.75, the value after decimal point is about to 0.5
(such as 3.33 or 3.73 take 3.5)；
When value after average series decimal point is greater than or equal to 0.75, numerical value is into one (such as 3.77 take 4.0).
Maximum value in 5 smell evaluators grading subtracts minimum value when being 1.5, after removing maximum value and minimum value, asks
The average value of remaining three values.
When maximum value in 5 smell evaluator gradings subtracts minimum value more than 1.5, oder levels needs reappraise.
The composition of raw materials component for the PC/ABS alloys that 2 Examples 1 to 6 of table, comparative example 1 and comparative example 2 provide,
Production technology and oder levels
Performance test and result
The PC/ABS alloy smell test results of table 2 show that embodiment 1 to embodiment 6 is under the conditions of microwave is heat source
PC/ABS alloys are produced, the oder levels of gained PC/ABS alloys are 3.3~3.6 grades；Rather than microwave heat melting extrusion technique
The oder levels of the PC/ABS alloys (comparative example 1) of production, gained PC/ABS alloys are 5.0 grades.As it can be seen that the present invention draws microwave
Enter to PC/ABS alloys in preparing, can effectively inhibit the generation of peculiar smell small molecule, it will be apparent that reduces the smell of PC/ABS alloys
Grade, to obtain low smell PC/ABS alloys.
By the comparison of embodiment 2 and comparative example 2 it is recognized that while embodiment 2 is identical with the composition of raw materials of comparative example 2, but
It is comparative example 2 when being produced using the microwave condition for having exceeded the application restriction, effect is not optimal.This explanation,
The selection of suitable microwave condition is vital to the realization of the application effect.
Above example of the present invention provides a kind of new technology for the development and application of low smell PC/ABS alloys, will push away
The development of dynamic PC/ABS alloys has guidance and practical significance to producing low smell PC/ABS alloy the relevant technologies.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of preparation method of low smell PC/ABS alloys, which is characterized in that the preparation method includes the following steps：
(1) it weighs and prepares raw material, mix, obtain mixture；In parts by weight, this prepares raw material and includes：Polycarbonate resin 5~80
Part, 5~80 parts of acrylonitrile-butadiene-styrene resin, 0~40 part of filler, 0.2~10 part of auxiliary agent；
(2) it will melt, squeeze out, be granulated in the mixture feeding to extruder and under microwave heating condition, obtain low smell PC/
ABS alloy.
2. the preparation method of low smell PC/ABS alloys according to claim 1, which is characterized in that the microwave heating
Condition includes：Microwave heating temperature is 130~350 DEG C, and microwave power is 0.05~30kW, and microwave frequency is 0.4~280GHz.
3. the preparation method of low smell PC/ABS alloys according to claim 2, which is characterized in that the microwave heating
Condition includes：Microwave heating temperature is 150~320 DEG C, and microwave power is 0.2~28kW, and microwave frequency is 0.8~250GHz.
4. the preparation method of low smell PC/ABS alloys according to claim 3, which is characterized in that the microwave heating
Condition includes：Microwave heating temperature is 150~180 DEG C, and microwave power is 20~28kW, and microwave frequency is 100~250GHz.
5. the preparation method of low smell PC/ABS alloys according to any one of claims 1 to 4, which is characterized in that described
Preparing raw material includes：60~80 parts of polycarbonate resin, 5~15 parts of acrylonitrile-butadiene-styrene resin, filler 15~25
Part, 5~10 parts of auxiliary agent.
6. the preparation method of low smell PC/ABS alloys according to any one of claims 1 to 4, which is characterized in that described
Polycarbonate resin is bisphenol A polycarbonate resin, and melt index is 2~150g/10min (300 DEG C, 1.2kg)；It is described
Acrylonitrile-butadiene-styrene resin is acrylonitrile-butadiene-styrene resin or/and the substance law synthesis of emulsion method synthesis
Acrylonitrile-butadiene-styrene resin；The filler be talcum powder, calcium carbonate, wollastonite, barium sulfate, mica, white carbon,
It is one or more in aluminium powder；The auxiliary agent is one or more in heat stabilizer, light stabilizer, lubricant, antistatic agent.
7. the preparation method of low smell PC/ABS alloys according to claim 6, which is characterized in that the heat stabilizer is
β-(3,5 di-tert-butyl-hydroxy phenyl) propionic acid octadecyl, (4- tertiary butyl -3- hydroxyl -2,6- dimethylbenzyls of 1,3,5- tri-
Base) -1,3,5- triazines -2,4,6- (1H, 3H, 5H)-triketone, N, N '-is bis--(3- (3,5- di-tert-butyl-hydroxy phenyls) propionyl
Base) hexamethylene diamine, three (2,4- di-tert-butyls di-tert-butyl) phosphite esters, bis- (2,4- di-tert-butyl-phenyls) pentaerythrites two
It is one or more in phosphite ester, 2,2 '-ethylenebis (4,6- di-tert-butyl-phenyls) fluorophosphite.
8. the preparation method of low smell PC/ABS alloys according to claim 6, which is characterized in that the light stabilizer is
One or more of hindered amine light stabilizer or ultra-violet absorber.
9. the preparation method of low smell PC/ABS alloys according to claim 6, which is characterized in that the lubricant is low
It is one or more in molecule esters stearic acid, metallic soap, erucic acid class；The antistatic agent is in polyetheramides, conductive black
It is one or more.
10. the low smell PC/ABS alloys that any one of claim 1 to 9 preparation method obtains.
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| CN201810569707.2A CN108752897A (en) | 2018-06-05 | 2018-06-05 | Low smell PC/ABS alloys and preparation method thereof |
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| CN201810569707.2A CN108752897A (en) | 2018-06-05 | 2018-06-05 | Low smell PC/ABS alloys and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111154247A (en) * | 2019-12-27 | 2020-05-15 | 会通新材料股份有限公司 | High-toughness low-linear-expansion-coefficient PC/ABS composite material and preparation method thereof |
| CN112778737A (en) * | 2021-01-05 | 2021-05-11 | 上海中镭新材料科技有限公司 | Ultralow-odor black PC/ABS alloy resin |
-
2018
- 2018-06-05 CN CN201810569707.2A patent/CN108752897A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111154247A (en) * | 2019-12-27 | 2020-05-15 | 会通新材料股份有限公司 | High-toughness low-linear-expansion-coefficient PC/ABS composite material and preparation method thereof |
| CN112778737A (en) * | 2021-01-05 | 2021-05-11 | 上海中镭新材料科技有限公司 | Ultralow-odor black PC/ABS alloy resin |
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