CN110218432A - A kind of high tenacity PC/PMMA alloy material and preparation method thereof - Google Patents
A kind of high tenacity PC/PMMA alloy material and preparation method thereof Download PDFInfo
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- CN110218432A CN110218432A CN201910516306.5A CN201910516306A CN110218432A CN 110218432 A CN110218432 A CN 110218432A CN 201910516306 A CN201910516306 A CN 201910516306A CN 110218432 A CN110218432 A CN 110218432A
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- toughener
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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
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
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- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses high tenacity PC/PMMA alloy materials and preparation method thereof, it is made of raw material from the following weight: 65~85 parts of PC, 28~36 parts of PMMA, 3~12 parts of toughener, 0.5~1 part of lubricant, 1.5~3 parts of antioxidant, 0.1~0.5 part of compatilizer, 0.2~0.8 part of UV stabilizer, high tenacity PC/PMMA alloy material of the invention is obtained by the way that each component to be sufficiently mixed in proportion, then by double screw extruder extrusion, granulation.PC/PMMA alloy material obtained has the characteristics such as high tenacity, high rigidity, anti scuffing, simple production process, can be widely used for the various electronics shells such as mobile phone, TV set LCD, automobile instrument display.
Description
Technical field
The invention belongs to high molecular polymer processing technique fields, more particularly to a kind of high tenacity PC/PMMA alloy material
Material and preparation method thereof.
Background technique
Polycarbonate (Polycarbonate, PC) has high impact strength and excellent machinery, heat, electricity etc. comprehensive
Can, it can be widely applied to the various electronics shells such as mobile phone, TV set LCD, automobile instrument display.However, now
Electric appliance casing product, also have the surface of material compared with strict requirements, wherein more inappeasable is that material surface will have one
Fixed hardness and scoring resistance cannot be scraped off easily that is, in user's wipe product.For characterize material surface hardness, one
As measure its scratch resistant surface hardness by scratching the pencil hardness of material surface, hardness is from low to high successively are as follows: 6B,
5B,4B,3B,2B,B,HB,H,2H,3H,4H,5H,6H,7H,8H,9H.PC material surface pencil hardness only has 2B grade, as
Electronic product casing material easily scratches, and the grade of product requirement is generally 2H grade.Existing solution is usually in PC
The blend of middle addition polymethyl methacrylate (PolymethylMethacrylat, PMMA), PC and PMMA have surface
The advantages that hardness is high, glossiness is high generally requires higher PMMA content to obtain higher surface hardness, but PMMA
The sharply decline that will lead to blend toughness is added.
Summary of the invention
The purpose of the present invention is to provide it is a kind of with high tenacity, high rigidity, anti scuffing, simple production process PC/
PMMA alloy material and preparation method thereof.
For the hardness for ensuring PC Yu PMMA blend, its toughness is combined, The technical solution adopted by the invention is as follows:
The alloy material of high tenacity PC/PMMA a kind of is provided, the alloy material includes following raw material according to parts by weight:
65~85 parts of PC；
28~36 parts of PMMA；
3~12 parts of toughener；
0.5~1 part of lubricant；
1.5~3 parts of antioxidant；
0.1~0.5 part of phase solvent；
0.2~0.8 part of UV stabilizer；
Wherein, PC uses the Bayer Bitterfeld GmbH trade mark for 2805 product, and melt flow rate (MFR) under the conditions of 300 DEG C and 1.2Kg is 5
~10g/10min, weight average molecular weight are 30000~40000.
Preferably, melt flow rate (MFR) of the PMMA under 250 DEG C and 4.0kg test condition is 8-25g/10min.
Preferably, the toughener includes main toughener and auxiliary toughener, wherein the main toughener is ethyl vinyl acetate
Vinyl ester copolymers (EVA), the auxiliary toughener are styrene butadiene thermoplasticelastomer (SBS), the main toughener
The weight ratio of EVA and auxiliary toughener SBS is (2-9): (1-3).Wherein, EVA is a kind of thermoplastic resin with rubber like elasticity
Rouge, density 0.94g/ml.SBS is to pass through block copolymer obtained by anionic polymerisation as styrene and butadiene.SBS is normal
There are two phase structure, i.e. the resin microcell of the rubber continuous phase of polybutadiene and polystyrene under temperature.Continuous phase polybutadiene has
The elasticity of rubber and good resistance to low temperature.Polystyrene chain segment flocks together in dispersed phase (microcell), play crosslinking and
Enhance the effect of rubber.When the temperature increases due to polystyrene domains heating melting, crosslinking points fusing generates preferably flowing
Property.So SBS can with other resins heat be blended, and industrial products enter mostly it is granular, can directly squeeze out in an extruder be total to
Mixed continuous production.The addition of toughener can reduce the brittleness of alloy material, and improve the toughness and shock resistance of alloy material.
Preferably, the lubricant is stearate, or the Glycolube PETS for selecting U.S. dragon husky.
Preferably, the antioxidant is Hinered phenols antioxidant 1076 and phosphite ester antioxidant 168, and Hinered phenols are anti-
The weight proportion of oxygen agent 1076 and phosphite ester antioxidant 168 is 1:2.
Preferably, the phase solvent is maleic anhydride graft compatilizer, to improve the compatibility and dispersibility of alloy material.
Preferably, the UV stabilizer is the first benzotriazole UV stabilizer, the second benzotriazole UV stabilizer and double third
The mixing of two acid esters UV stabilizers, the amount of the first benzotriazole UV stabilizer are 0.1 part；The second benzotriazole UV stabilizer
Amount be 0.35 part；The amount of the dimalonic acid ester UV stabilizer is 0.35 part.
Preferably, the alloy material includes following raw material according to parts by weight:
70 parts of PC；
30 parts of PMMA；
8 parts of toughener；
0.7 part of lubricant；
2.5 parts of antioxidant；
0.3 part of phase solvent；
0.5 part of UV stabilizer；
Preferably, the alloy material includes following raw material according to parts by weight:
66.29 parts of PC；
28.41 parts of PMMA；
12 parts of toughener；
1 part of lubricant；
3 parts of antioxidant；
0.5 part of phase solvent；
0.8 part of UV stabilizer；
Preferably, the alloy material includes following raw material according to parts by weight:
74.69 parts of PC；
32.01 parts of PMMA；
3 parts of toughener；
0.5 part of lubricant；
1.5 parts of antioxidant；
0.1 part of phase solvent；
0.2 part of UV stabilizer；
A kind of preparation method of the alloy material of above-mentioned high tenacity PC/PMMA comprising the steps of:
(1) PC is dried；
(2) PC, PMMA, toughener, lubricant, antioxidant, compatilizer and UV stabilizer are weighed by above-mentioned weight ratio, and will weighed
Good raw material is added in mixed at high speed blender, and after first 900~1400rpm stirs 2~5min, then 1600~2500rpm is stirred
2~4min is mixed, 100~300rpm of anti-dripping agent low speed is added and stirs 0.2~2min, obtain mixture；
(3) mixture of step (2) is added twin-screw extrude, extruding pelletization, obtains high tenacity PC/PMMA alloy material
Material；Wherein, each area's processing temperature of double screw extruder is 220-260 DEG C, and screw rod revolution is 300-700r/min.
Finally, according to the hardness of PC/PMMA alloy material obtained by ASTM-D3363 standard testing, in addition, tensile strength is pressed
ASTM-D638 standard testing, bending strength press ASTM-D790 standard testing, and Lzod notch impact strength presses ASTM-D256 standard
Test.
Compared with prior art, the beneficial effects of the present invention are:
PC/PMMA alloy material produced by the present invention has the characteristics such as high tenacity, high rigidity, impact resistance, anti scuffing, can be extensive
For the various electronics shells such as mobile phone, TV set LCD, automobile instrument display.
Specific embodiment
In order to which technical problems, technical solutions and advantageous effects to be solved by the present invention are more clearly understood, below in conjunction with
Embodiment, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to explain
The present invention is not intended to limit the present invention.
Embodiment 1
A kind of alloy material of high tenacity PC/PMMA, is blended by the raw material of following parts by weight:
70 parts of PC；
30 parts of PMMA；
8 parts of toughener；
0.7 part of lubricant；
2.5 parts of antioxidant；
0.3 part of phase solvent；
0.5 part of UV stabilizer；
Embodiment 2
A kind of alloy material of high tenacity PC/PMMA, is blended by the raw material of following parts by weight:
66.29 parts of PC；
28.41 parts of PMMA；
12 parts of toughener；
1 part of lubricant；
3 parts of antioxidant；
0.5 part of phase solvent；
0.8 part of UV stabilizer；
Embodiment 3
A kind of alloy material of high tenacity PC/PMMA, is blended by the raw material of following parts by weight:
74.69 parts of PC；
32.01 parts of PMMA；
3 parts of toughener；
0.5 part of lubricant；
1.5 parts of antioxidant；
0.1 part of phase solvent；
0.2 part of UV stabilizer；
Reference examples 1
A kind of alloy material of PC/PMMA, is blended by the raw material of following parts by weight:
75.6 parts of PC；
32.4 parts of PMMA；
0.7 part of lubricant；
2.5 parts of antioxidant；
0.3 part of phase solvent；
0.5 part of UV stabilizer；
The raw material in embodiment 1-3 and reference examples 1 is added in mixed at high speed blender respectively, first 900~1400rpm stirring
After 2~5min, then 1600~2500rpm stir 2~4min, add 100~300rpm of anti-dripping agent low speed stirring 1~
2min obtains mixture；It feeds the mixture into double screw extruder again, extruding pelletization, obtains high tenacity PC/PMMA alloy material
Material；Wherein, each area's processing temperature of double screw extruder is 220-260 DEG C, and screw rod revolution is 300-700r/min.
Finally, according to the hardness of PC/PMMA alloy material obtained by ASTM-D3363 standard testing, in addition, tensile strength is pressed
ASTM-D638 standard testing, bending strength press ASTM-D790 standard testing, and Lzod notch impact strength presses ASTM-D256 standard
Test.Test result is shown in Table 1.
The test performance result of 1 embodiment 1-3 of table and reference examples 1
| Performance parameter | Embodiment 1 | Embodiment 2 | Embodiment 3 | Reference examples 1 |
| Hardness (H) | 3H | 2H | 2H | 2H |
| Lzod notch impact strength (J/m) | 550 | 580 | 520 | 410 |
| Tensile strength (Mpa) | 96 | 92 | 90 | 72 |
| Bending strength (Mpa) | 102 | 98 | 92 | 78 |
The test result of 1 embodiment 1-3 of table and reference examples 1 shows that EVA is added, and compounds SBS, obtained PC/PMMA alloy
The hardness and toughness of material have obtained certain improvement.People be can satisfy to material high tenacity, high rigidity, impact resistance etc.
The requirement of characteristic can be widely used for outside the various electronics such as mobile phone, computer, TV set LCD and automobile instrument display
Shell.
It is to be understood that being merely to illustrate the present invention above with respect to specific descriptions of the invention and being not limited to this
Technical solution described in inventive embodiments, those skilled in the art should understand that, still the present invention can be carried out
Modification or equivalent replacement, to reach identical technical effect；As long as meet use needs, all protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of alloy material of high tenacity PC/PMMA, which is characterized in that the alloy material include according to parts by weight with
Lower raw material:
65~85 parts of PC；
28~36 parts of PMMA；
3~12 parts of toughener；
0.5~1 part of lubricant；
1.5~3 parts of antioxidant；
0.1~0.5 part of phase solvent；
0.2~0.8 part of UV stabilizer；
The toughener includes main toughener and auxiliary toughener, wherein the main toughener is ethylene-vinyl acetate copolymerization
Object, the auxiliary toughener are styrene butadiene thermoplasticelastomer.
2. the alloy material of high tenacity PC/PMMA according to claim 1 a kind of, which is characterized in that the alloy material
Including following raw material according to parts by weight:
70 parts of PC；
30 parts of PMMA；
8 parts of toughener；
0.7 part of lubricant；
2.5 parts of antioxidant；
0.3 part of phase solvent；
0.5 part of UV stabilizer；
The toughener includes main toughener and auxiliary toughener, wherein the main toughener is ethylene-vinyl acetate copolymerization
Object, the auxiliary toughener are styrene butadiene thermoplasticelastomer.
3. the alloy material of high tenacity PC/PMMA according to claim 1 a kind of, which is characterized in that the alloy material
Including following raw material according to parts by weight:
66.29 parts of PC；
28.41 parts of PMMA；
12 parts of toughener；
1 part of lubricant；
3 parts of antioxidant；
0.5 part of phase solvent；
0.8 part of UV stabilizer；
The toughener includes main toughener and auxiliary toughener, wherein the main toughener is ethylene-vinyl acetate copolymerization
Object, the auxiliary toughener are styrene butadiene thermoplasticelastomer.
4. the alloy material of high tenacity PC/PMMA according to claim 1 a kind of, which is characterized in that the alloy material
Including following raw material according to parts by weight:
74.69 parts of PC；
32.01 parts of PMMA；
3 parts of toughener；
0.5 part of lubricant；
1.5 parts of antioxidant；
0.1 part of phase solvent；
0.2 part of UV stabilizer；
The toughener includes main toughener and auxiliary toughener, wherein the main toughener is ethylene-vinyl acetate copolymerization
Object, the auxiliary toughener are styrene butadiene thermoplasticelastomer.
5. the alloy material of high tenacity PC/PMMA according to any one of claims 1 to 4 a kind of, which is characterized in that institute
State melt flow rate (MFR) of PC under the conditions of 300 DEG C and 1.2 kg be 5~10g/10min, weight average molecular weight be 30000~
40000。
6. the alloy material of high tenacity PC/PMMA according to any one of claims 1 to 4 a kind of, which is characterized in that institute
Stating melt flow rate (MFR) of the PMMA under 250 DEG C and 4.0kg test condition is 8-25g/10min.
7. the alloy material of high tenacity PC/PMMA according to any one of claims 1 to 4 a kind of, which is characterized in that institute
The weight ratio for stating main toughener ethylene-vinyl acetate copolymer and auxiliary toughener styrene butadiene thermoplasticelastomer is
(2-9): (1-3).
8. the alloy material of high tenacity PC/PMMA according to any one of claims 1 to 4 a kind of, which is characterized in that institute
Stating antioxidant includes Hinered phenols antioxidant 1076 and phosphite ester antioxidant 168, the Hinered phenols antioxidant 1076 with
The weight proportion of phosphite ester antioxidant 168 is 1:2.
9. the alloy material of high tenacity PC/PMMA according to claims 1 to 4 a kind of, which is characterized in that the compatilizer
For maleic anhydride graft compatilizer.
10. a kind of alloy material of high tenacity PC/PMMA, feature described according to claim 1~any one of 4 exist
In, comprising the following steps:
(1) PC is dried；
(2) PC, PMMA, toughener, lubricant, antioxidant, compatilizer and UV stabilizer are weighed by above-mentioned weight ratio, and mixed equal
It is even, obtain mixture；
(3) mixture of step (2) is added twin-screw extrude, extruding pelletization, obtains high tenacity PC/PMMA alloy material
Material；Wherein, each area's processing temperature of double screw extruder is 220-260 DEG C, and screw rod revolution is 300-700r/min.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111534074A (en) * | 2020-05-20 | 2020-08-14 | 新阳荣乐(上海)汽车电子有限公司 | Application of PMMA-PC composite material |
| CN111662528A (en) * | 2020-07-13 | 2020-09-15 | 西南科技大学 | PMMA/PC-based ultrathin composite optical film and preparation method and application thereof |
| CN113248892A (en) * | 2020-04-01 | 2021-08-13 | 东莞市金蚨新材料科技有限公司 | Method for manufacturing PC/PMMA alloy material |
| CN113913009A (en) * | 2021-12-08 | 2022-01-11 | 浙江凯信光电科技有限公司 | PC/PMMA/MBS/AS transparent polymer composite material AMS and preparation method thereof |
| CN113999513A (en) * | 2021-11-24 | 2022-02-01 | 青岛国恩科技股份有限公司 | PC/PMMA alloy material for LED lampshade and preparation method thereof |
| WO2022077862A1 (en) * | 2020-10-16 | 2022-04-21 | 金发科技股份有限公司 | Pmma/ionomer/pc ternary alloy and preparation method therefor |
| CN115449208A (en) * | 2022-10-10 | 2022-12-09 | 安庆会通新材料有限公司 | PC-PMMA alloy material and preparation method and application thereof |
-
2019
- 2019-06-14 CN CN201910516306.5A patent/CN110218432A/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113248892A (en) * | 2020-04-01 | 2021-08-13 | 东莞市金蚨新材料科技有限公司 | Method for manufacturing PC/PMMA alloy material |
| CN111534074A (en) * | 2020-05-20 | 2020-08-14 | 新阳荣乐(上海)汽车电子有限公司 | Application of PMMA-PC composite material |
| CN111662528A (en) * | 2020-07-13 | 2020-09-15 | 西南科技大学 | PMMA/PC-based ultrathin composite optical film and preparation method and application thereof |
| CN111662528B (en) * | 2020-07-13 | 2022-07-15 | 西南科技大学 | PMMA/PC-based ultrathin composite optical film and preparation method and application thereof |
| WO2022077862A1 (en) * | 2020-10-16 | 2022-04-21 | 金发科技股份有限公司 | Pmma/ionomer/pc ternary alloy and preparation method therefor |
| CN113999513A (en) * | 2021-11-24 | 2022-02-01 | 青岛国恩科技股份有限公司 | PC/PMMA alloy material for LED lampshade and preparation method thereof |
| CN113913009A (en) * | 2021-12-08 | 2022-01-11 | 浙江凯信光电科技有限公司 | PC/PMMA/MBS/AS transparent polymer composite material AMS and preparation method thereof |
| CN115449208A (en) * | 2022-10-10 | 2022-12-09 | 安庆会通新材料有限公司 | PC-PMMA alloy material and preparation method and application thereof |
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Application publication date: 20190910 |