CN106467651A - A kind of PC ABS for thin-gage goods and preparation method thereof - Google Patents
A kind of PC ABS for thin-gage goods and preparation method thereof Download PDFInfo
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- CN106467651A CN106467651A CN201610894163.8A CN201610894163A CN106467651A CN 106467651 A CN106467651 A CN 106467651A CN 201610894163 A CN201610894163 A CN 201610894163A CN 106467651 A CN106467651 A CN 106467651A
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- 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
-
- 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
Abstract
A kind of PC ABS for thin-gage goods and preparation method thereof.Described PC ABS is counted, by weight including following components：2 20 parts of 15 60 parts of 30 90 parts of PC, ABS, LLDPE, 0.5 10 parts of lubricant.The present invention passes through to add the flow ability modifying agent that linear low density polyethylene LLDPE and lubricant compound in PC ABS material, so that PC ABS melting means is increased substantially, and during injection thin-gage goods, smoothly, product heat seal strength is good, not easy fracture for punch die.
Description
Technical field
The present invention relates to a kind of PC-ABS alloy and preparation method thereof, particularly to a kind of PC-ABS for thin-gage goods
Alloy and preparation method thereof.
Background technology
In recent years, car industry, communications industry fast development, the lightweight of Related product, is also existed with moulding the development trend of Dai Gang
Accelerate, PC-ABS alloy material has also welcome and new carves machine in the application of these industries.From middle 1960s U.S. Borg
Warner Chemicals company develops first item PC-ABS alloy, and the PC-ABS alloy with PC and ABS as primary raw material is just
Become a kind of important engineering plastic alloy, in succession develop a lot of PC-ABS alloy products afterwards, such as fire retardation PC-ABS, glass
The categories such as glass fiber-reinforced PC-ABS.
PC-ABS is a kind of modified engineered plastic of synthesis after mixing.Wherein, PC is exactly polycarbonate, and ABS is exactly
The copolymer of acrylonitrile (A), butadiene (B) and styrene (S).ABS (polypropylene essence), PC (Merlon) are two kinds very heavy
The plastics wanted, the performance of ABS, between engineering plastics and general-purpose plastics, has good impact resistance and processing characteristics,
Price is also relatively cheap, but its thermostability, weatherability, mechanical property are not ideal enough；PC has that high temperature resistant, impact flexibility is high, chi
Very little the features such as stablize, but its machine-shaping is difficult, and particularly massive article easily produces stress cracking, and chemical proofing is poor,
And price is higher.
PC-ABS modified plastics is then more preferable than simple PC and ABS performance, for example：Impact resistance improves, and thermostability improves,
Hardness raising etc..As CN 104974461A discloses a kind of ABS alloy material and preparation method thereof, this ABS alloy material bag
Include each component of following mass fraction：ABS30～80%, PC5-50%, PCL2-20%, compatilizer 2-10%, lubricant 0.1-
1%, antioxidant 0.1-1%.The present invention by ABS is improved, prepared ABS alloy material, can simultaneously improve ABS's
Shrinkage factor and interlayer adhesion, for FDM-3D print in as print lines, can solve alice, come off, problems of crack.
Generally using high flowing, HI high impact modification PC-ABS alloy, to be molded thickness in 0.8mm thin-gage goods as surfed the Net
Card, mobile phone shell.However, the usual punch die of thin-gage goods moulding material is difficult, weld mark easily occurs, weld heat seal strength is not
Good, easily broken.
Content of the invention
For solving the above problems, an object of the present invention is to provide a kind of PC-ABS alloy for thin-gage goods.This
The PC-ABS alloy that invention provides has certain rigid-tough balance.
For reaching above-mentioned purpose, the present invention adopts the following technical scheme that：
A kind of PC-ABS alloy for thin-gage goods, counts, by weight including following components：
For example, 32 parts of PC, 35 parts, 40 parts, 50 parts, 60 parts, 70 parts, 78 parts, 83 parts, 88 parts etc..
For example, 17 parts of ABS, 20 parts, 26 parts, 32 parts, 38 parts, 42 parts, 47 parts, 52 parts, 58 parts etc..
For example, 4 parts of LLDPE, 7 parts, 11 parts, 15 parts, 19 parts, 25 parts etc..
For example, 0.8 part of lubricant, 1.5 parts, 3.1 parts, 4 parts, 7 parts, 9 parts etc..
The present invention adds flow ability modifying agent in PC-ABS material, and flow ability modifying agent is linear low density polyethylene LLDPE
Compound with lubricant, so that PC-ABS alloy melting means is increased substantially, during injection thin-gage goods, punch die is smooth, product heat seal strength
Good, not easy fracture.
Described resin includes main body PC-ABS, adds certain proportion ABS can reduce material cost, reduces the content of PC,
Reduce PC rhermal decomposition rate, material mouldability can also be improved while having PC good mechanical properties.But add ABS excessive easily
Lead to toughness of material and intensity decreases, thermostability declines, therefore, the OK range of ABS is 15-60 part.
Preferably, described PC-ABS alloy is counted, by weight including following components：
Preferably, described PC-ABS alloy also includes antioxidant and/or toner.
Preferably, the parts by weight of described antioxidant be 0.05-0.5 part, for example, 0.08 part, 0.12 part, 0.18 part,
0.25 part, 0.34 part, 0.4 part, 0.47 part etc., preferably 0.1-0.2 part.
Preferably, the parts by weight of described toner be 0.02-0.3 part, for example, 0.04 part, 0.08 part, 0.12 part, 0.18
Part, 0.25 part etc., preferably 0.05-0.1 part.
Preferably, described PC-ABS alloy is counted, by weight including following components：
Preferably, described PC-ABS alloy is counted, by weight including following components：
PC-ABS alloy of the present invention, can also include the conventional additives of conventional amount used for example toughener, dispersant,
A kind of or at least two combinations in filler etc..
Lubricant, antioxidant and above-mentioned conventional additives that the present invention uses can be material classes commonly used in the art
Type.
An object of the present invention also resides in provides a kind of preparation method of PC-ABS alloy of the present invention, including with
Lower step：
(1) each component of the present invention is uniformly mixed；
(2) step (1) gained mixture is added row melt blending；
(3) by cooling, dry, pelletizing after the material extrusion after step (2) melt blending, obtain described PC-ABS alloy.
Preferably, in preparation method of the present invention, step is used in mixed way high-speed mixer in (1).
Preferably, the time of described mixing is more than 2min, preferably 5-10min.
Preferably, in preparation method of the present invention, in step (2), melt blending enters in double screw extruder
OK.
Preferably, melt blending Shi mono- area's temperature is 180-190 DEG C, and two area's temperature are 200-210 DEG C, and three area's temperature are
210-220 DEG C, four area's temperature are 220-230 DEG C, and five area's temperature are 230-240 DEG C, and six area's temperature are 240-255 DEG C, seven area's temperature
Spend for 240-255 DEG C, eight area's temperature are 240-255 DEG C, nine area's temperature are 240-255 DEG C, head temperature is 250-260 DEG C.
Preferably, screw speed during melt blending is more than 150 revs/min, preferably 250 revs/min.
The present invention passes through linear low density polyethylene LLDPE and lubricant compounds flow ability modifying agent；Changed by adding flowing
Property agent makes PC-ABS alloy material melting means be greatly improved；The high flowing PC-ABS alloy obtaining, in injection thin-walled system
Product such as card of surfing Internet etc., smoothly, heat seal strength is good, not easy fracture for punch die.
Provided by the present invention for PC-ABS alloy material, its performance can reach：Melting means (260 DEG C/5KG)：>18g/
10min, tensile strength：>55Pa, percentage elongation：100-140%, impact strength：>620J/m.
Specific embodiment
For the present invention is better described, readily appreciate technical scheme, the present invention's is typical but non-limiting
Embodiment is as follows：
Embodiment 1
A kind of PC-ABS alloy, counts, by weight including following components：
Antioxidant uses Hinered phenols antioxidant 1010, i.e. four [methyl-β-(3,5- di-tert-butyl-hydroxy phenyl) third
Acid esters] tetramethylolmethane, lubricant is using fatty acid ester pentaerythritol stearate (PETS).
Prepare described PC-ABS alloy using the preparation method of the present invention.Test its performance data results as follows：
Melting means (260 DEG C/5KG)：19g/10min, tensile strength：56Pa, percentage elongation：117%, impact strength：655J/m.
Embodiment 2
A kind of PC-ABS alloy, counts, by weight including following components：
Antioxidant uses Hinered phenols antioxidant 1010, i.e. four [methyl-β-(3,5- di-tert-butyl-hydroxy phenyl) third
Acid esters] tetramethylolmethane, lubricant is using fatty acid ester pentaerythritol stearate (PETS).
Prepare described PC-ABS alloy using the preparation method of the present invention.Test its performance data results as follows：
Melting means (260 DEG C/5KG)：30g/10min, tensile strength：62Pa, percentage elongation：139%, impact strength：689J/m.
Embodiment 3
A kind of PC-ABS alloy, counts, by weight including following components：
Antioxidant uses Hinered phenols antioxidant 168, i.e. three [2,4- di-tert-butyl-phenyl] phosphite ester, and lubricant uses
OPE.
Prepare described PC-ABS alloy using the preparation method of the present invention.Test its performance data results as follows：
Melting means (260 DEG C/5KG)：21g/10min, tensile strength：60Pa, percentage elongation：126%, impact strength：720J/m.
Embodiment 4
A kind of PC-ABS alloy, counts, by weight including following components：
Antioxidant uses phosphite ester kind antioxidant 168, i.e. three [2,4- di-tert-butyl-phenyl] phosphite ester, and lubricant makes
Use OPE.
Prepare described PC-ABS alloy using the preparation method of the present invention.Test its performance data results as follows：
Melting means (260 DEG C/5KG)：26g/10min, tensile strength：58Pa, percentage elongation：136%, impact strength：688J/m.
Embodiment 5
A kind of PC-ABS alloy, counts, by weight including following components：
Antioxidant uses Hinered phenols antioxidant 1010, i.e. four [methyl-β-(3,5- di-tert-butyl-hydroxy phenyl) third
Acid esters] tetramethylolmethane, lubricant is using fatty acid ester pentaerythritol stearate (PETS).
Prepare described PC-ABS alloy using the preparation method of the present invention.Test its performance data results as follows：
Melting means (260 DEG C/5KG)：24g/10min, tensile strength：59Pa, percentage elongation：132%, impact strength：711J/m.
Comparative example 1
A kind of PC-ABS alloy, counts, by weight including following components：
Described antioxidant, lubricant are consistent with embodiment 5.
Prepare described PC-ABS alloy using the preparation method of the present invention.Test its performance data results as follows：
Melting means (260 DEG C/5KG)：12g/10min, tensile strength：50Pa, percentage elongation：105%, impact strength：671J/m.
It can be seen that, the melting means of the alloy being obtained without LLDPE is poor, and mobility is poor, is unfavorable for being molded aerofluxuss, is unfavorable for
Injection thin-gage goods；Tensile strength is relatively low simultaneously, and rigidity is low, and unfavorable communication product subsequently beats screw；But impact flexibility still than
Higher.
Comparative example 2
A kind of PC-ABS alloy, counts, by weight including following components：
Described antioxidant is consistent with embodiment 5.
Prepare described PC-ABS alloy using the preparation method of the present invention.Test its performance data results as follows：
Melting means (260 DEG C/5KG)：16g/10min, tensile strength：55Pa, percentage elongation：108%, impact strength：680J/m.
It can be seen that, the melting means without lubricant gained alloy is also poor, but more better than comparative example 1, can be molded logical
The news industry segment thickness thickness product of some, is also detrimental to the injection of thin-gage goods；Tensile strength has lifted rigidity simultaneously
Improve.
It can be seen that, LLDPE is used in conjunction with each other with lubricant so that gained alloy melting means is greatly improved, thus obtaining
High flowing PC/ABS alloy for thin-gage goods.
Applicant states, the present invention illustrates the method detailed of the present invention by above-described embodiment, but the present invention not office
It is limited to above-mentioned method detailed, that is, do not mean that the present invention has to rely on above-mentioned method detailed and could implement.Art
Technical staff is it will be clearly understood that any improvement in the present invention, the equivalence replacement to each raw material of product of the present invention and auxiliary element
Interpolation, selection of concrete mode etc., within the scope of all falling within protection scope of the present invention and disclosure.
Claims (10)
1. a kind of PC-ABS alloy for thin-gage goods, counts, by weight including following components：
2. according to claim 1 PC-ABS alloy it is characterised in that counting by weight, including following components：
3. PC-ABS alloy according to claim 1 or claim 2 is it is characterised in that also include antioxidant and/or toner.
4. according to claim 3 PC-ABS alloy it is characterised in that described antioxidant parts by weight be 0.05-0.5
Part, preferably 0.1-0.2 part；
Preferably, the parts by weight of described toner are 0.02-0.3 part, preferably 0.05-0.1 part.
5. according to any one of claim 1-4 PC-ABS alloy it is characterised in that counting by weight, including with the following group
Point：
6. according to any one of claim 1-5 PC-ABS alloy it is characterised in that counting by weight, including with the following group
Point：
7. the preparation method of the PC-ABS alloy described in any one of claim 1-6, comprises the following steps：
(1) component each described in any one of claim 1-6 is uniformly mixed；
(2) step (1) gained mixture is added row melt blending；
(3) by cooling, dry, pelletizing after the material extrusion after step (2) melt blending, obtain described PC-ABS alloy.
8. preparation method according to claim 7 is it is characterised in that be used in mixed way high-speed mixer in step (1)；
Preferably, the time of described mixing is more than 2min, preferably 5-10min.
9. the preparation method according to claim 7 or 8 is it is characterised in that melt blending is in twin-screw extrusion in step (2)
Carry out in machine；
Preferably, melt blending Shi mono- area's temperature is 180-190 DEG C, and two area's temperature are 200-210 DEG C, and three area's temperature are 210-
220 DEG C, four area's temperature are 220-230 DEG C, and five area's temperature are 230-240 DEG C, and six area's temperature are 240-255 DEG C, and seven area's temperature are
240-255 DEG C, eight area's temperature are 240-255 DEG C, and nine area's temperature are 240-255 DEG C, and head temperature is 250-260 DEG C.
10. the preparation method according to any one of claim 7-9 is it is characterised in that spiral shell during melt blending in step (2)
Bar rotating speed is more than 150 revs/min, preferably 250 revs/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610894163.8A CN106467651A (en) | 2016-10-13 | 2016-10-13 | A kind of PC ABS for thin-gage goods and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610894163.8A CN106467651A (en) | 2016-10-13 | 2016-10-13 | A kind of PC ABS for thin-gage goods and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107698957A (en) * | 2017-10-26 | 2018-02-16 | 上海中镭新材料科技有限公司 | A kind of high glaze height is black to exempt to spray PC/PET alloy resins and preparation method thereof |
| CN109517326A (en) * | 2018-10-30 | 2019-03-26 | 广东格瑞新材料股份有限公司 | A kind of bloom mirror surface product PC/ABS alloy material and preparation method thereof |
| WO2020098496A1 (en) * | 2018-11-13 | 2020-05-22 | 金发科技股份有限公司 | Polyethylene/polycarbonate alloy having high weld bond strength and preparation method therefor |
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| CN101831164A (en) * | 2010-04-21 | 2010-09-15 | 深圳市科聚新材料有限公司 | IMD (In-Mole Decoration) injection molding PC/ABS (Polycarbonate/Acrylonitrile Butadiene Styrene) composite material and preparation method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107698957A (en) * | 2017-10-26 | 2018-02-16 | 上海中镭新材料科技有限公司 | A kind of high glaze height is black to exempt to spray PC/PET alloy resins and preparation method thereof |
| CN107698957B (en) * | 2017-10-26 | 2019-12-03 | 上海中镭新材料科技有限公司 | A kind of high glaze height is black to exempt to spray PC/PET alloy resin and preparation method thereof |
| CN109517326A (en) * | 2018-10-30 | 2019-03-26 | 广东格瑞新材料股份有限公司 | A kind of bloom mirror surface product PC/ABS alloy material and preparation method thereof |
| WO2020098496A1 (en) * | 2018-11-13 | 2020-05-22 | 金发科技股份有限公司 | Polyethylene/polycarbonate alloy having high weld bond strength and preparation method therefor |
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Application publication date: 20170301 |