CN107312301A - PC/ASA alloy materials of antibacterial and preparation method thereof - Google Patents
PC/ASA alloy materials of antibacterial and preparation method thereof Download PDFInfo
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- CN107312301A CN107312301A CN201710517954.3A CN201710517954A CN107312301A CN 107312301 A CN107312301 A CN 107312301A CN 201710517954 A CN201710517954 A CN 201710517954A CN 107312301 A CN107312301 A CN 107312301A
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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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2469/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- 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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/328—Phosphates of heavy metals
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to PC/ASA alloy materials of a kind of antibacterial and preparation method thereof, and the alloy material includes each component of following parts by weight：30~80 parts of PC resin, 10~40 parts of ASA resin, 5~20 parts of antibacterial matrices, 1~5 part of compatilizer, 0.1~1 part of antioxidant, 0.1~1 part of lubricant.After said components are mixed according to parts by weight in mixer, it is blended and is granulated by double screw extruder, you can the PC/ASA alloy materials of antibacterial is made.Compared with prior art, the present invention is good with anti-microbial property, and mechanical performance is excellent, and technique is simple, the advantages of easy to operate.
Description
Technical field
The present invention relates to polymeric material field, more particularly, to a kind of PC/ASA alloy materials of antibacterial and its preparation side
Method.
Background technology
Propylene is fine-and cinnamic acrylic ester (ASA) is a kind of physical property and engineering plastics similar ABS.ASA trees
The features such as fat has good dimensional stability, high notched impact properties.Compared with ABS resin, ASA resin is in the weather-proof of material
There is huge advantage in terms of property, resistance to ag(e)ing.And PC/ASA alloy materials have then taken into account both PC and ASA advantage, have
Excellent mechanical property, processing characteristics and weather resistance, has a wide range of applications, especially in industries such as automobile, communication, electronics
It is hot in Automobile Market in recent years, and under automotive light weight technology, the trend to mould Dai Gang so that PC/ASA alloy material quilts
For making high performance automobile exterior trimming parts etc..
However, for being directly exposed to outer automotive upholstery or household electrical appliances exterior trimming parts, often by human contact, holding
Easy breed bacteria, the no inhibitory action of growth of common plastic part to bacterium, if plastic part have in itself it is certain
Antibacterial action, it becomes possible to reduce the growth of bacterium, reduces the health hazard to people, therefore develop a kind of PC/ASA alloys of antibacterial
Material has relatively more great meaning.
The content of the invention
The purpose of the present invention is exactly that there is provided a kind of PC/ASA of antibacterial conjunctions in order to overcome the defect that above-mentioned prior art is present
Golden material and preparation method thereof.
The purpose of the present invention is achieved through the following technical solutions：
The invention provides a kind of PC/ASA alloy materials of antibacterial, include each component of following parts by weight：
30~80 parts of PC resin,
10~40 parts of ASA resin,
5~20 parts of antibacterial matrices,
1~5 part of compatilizer,
0.1~1 part of antioxidant,
0.1~1 part of lubricant.
Preferably, the weight average molecular weight of described PC resin is 30000-45000.
Preferably, described ASA resin is the graft copolymer of the fine-styrene-butyl acrylate composition of propylene, wherein
The content of the butyl acrylate is 15~55wt%.
Preferably, described compatilizer is graft (SAN-g-MAH), SAN and and the metering system of SAN and maleic anhydride
The copolymer of the copolymer (SAN-g-GMA) of acid glycidyl ester, ethylene methyl acrylate and GMA
(EMA-GMA) one or more in.
Preferably, described antibacterial matrices are silver-based inorganic antibacterial agent, using basic zirconium phosphate as carrier, containing various metals such as silver-colored zincs
Ion；Silver-colored mass content is 10% in the antibacterial matrices.The model of the silver-based inorganic antibacterial agent such as NOVARON
AG1100。
The present invention by contrast it is different addition numbers silver-based inorganic antibacterial agent so that find optimal adding proportion and
PC/ASA constitutes number, makes on the premise of material possesses high antibiotic rate, to take into account excellent physical characteristic.
Preferably, the preparation method of described antibacterial matrices comprises the following steps：
40~70 parts of PC resin, 20~40 parts of antiseptic are weighed by weight, and 1~3 part of compatilizer adds banburying extrusion
Mixing granulation is carried out in machine, you can antibacterial matrices are made.
Preferably, described antioxidant includes commercially available antioxidant 245, antioxidant 1076, one kind in irgasfos 168 or several
Kind.
Preferably, described lubricant includes one kind or several in silicone powder, pentaerythritol ester, ethylene bis stearic amide
Kind.
Present invention also offers a kind of preparation method of the PC/ASA alloy materials of antibacterial, this method uses following steps：
(a) PC resin, ASA resin, antibacterial matrices, compatilizer, antioxidant and lubricant are added and mixed in mixer
Close；
(b) mixture obtained by step (a) is blended by double screw extruder and granulated, control the screw extruder rotating speed to be
300~600rpm, extrusion temperature is 200~220 DEG C, and pressure is 2~4MPa, and by melting extrusion, granulation can be prepared by antibacterial
PC/ASA alloy materials.
Preferably, the draw ratio for the extruder screw that described double screw extruder is used is 44：1.
Compared with prior art, the present invention has following beneficial effect：
Not only antibiotic property is good for PC/ASA alloy materials produced by the present invention, and the compatilizer added can improve antiseptic
With the compatibility of whole base material, PC/ASA alloy materials are enable to keep excellent physical property.It is to keep away using antibacterial matrices
Exempting from directly addition causes the presence of the problem of even macroscopic, Micro-disperse State are poor in antibacterial product.Antiseptic and substrate resin are led to
The concentration master batch that double screw extruder extrusion is prepared into antiseptic is crossed, due to the antiseptic in master batch is prepared and vector resin
The shearing and kneading of twin-screw are have passed through, then by the scattered of forming process, master batch antiseptic is scattered in antibacterial product
Property it is far better compared with direct addition method, and the antibacterial matrices used are in granular form, the non-dusting in forming operation, reduce
The pollution of generating process, and antiseptic need not be surface-treated using process, optimize whole production technology.
The raw material of the present invention is simple and easy to get, and technique is simple, and easy to operate, preparation condition is gentle so that entirely prepare cost
Than relatively low, it is adapted to a large amount of productions.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that to the ordinary skill of this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
In following examples, the preparation method of the antibacterial matrices comprises the following steps：
40~70 parts of PC resin, 20~40 parts of silver-based inorganic antibacterial agent are weighed by weight, and 1~3 part of compatilizer is added
Mixing granulation is carried out in banburying extruder, you can antibacterial matrices are made.Wherein described silver-based inorganic antibacterial agent using basic zirconium phosphate as
Silver-colored mass content is 10% in carrier, the antibacterial matrices.The model of the silver-based inorganic antibacterial agent such as NOVARON
AG1100。
Embodiment 1
A kind of PC/ASA alloy materials of antibacterial, include the component of following parts by weight：75 parts of PC resin, ASA resin 25
Part, 5 parts of antibacterial matrices, 1 part of compatilizer, 0.2 part of phosphite ester, 0.2 part of pentaerythritol ester.The antibacterial matrices are prepared as：
Its preparation method is as follows：
40 parts of PC resin, 40 parts of silver-based inorganic antibacterial agent are first weighed, 3 parts of compatilizer is added and mixed in banburying extruder
Granulation is closed, antibacterial matrices are made；
Then each group got ready according to foregoing parts by weight is distributed into mixer and premixed 3~10 minutes, is obtained above-mentioned
The premix arrived is by double screw extruder, and it is 400rpm to control screw extruder rotating speed, and extrusion temperature is 200~220 DEG C, pressure
Power is 2~4MPa, and screw slenderness ratio is 44:1, by melting extrusion, granulation can be prepared by the PC/ASA alloy materials of antibacterial.
Embodiment 2
A kind of PC/ASA alloy materials of antibacterial, include the component of following parts by weight：70 parts of PC resin, ASA resin 30
Part, 5 parts of antibacterial matrices, 1 part of compatilizer, 0.2 part of phosphite ester, 0.2 part of pentaerythritol ester.
Its preparation method is as follows：
70 parts of PC resin, 20 parts of silver-based inorganic antibacterial agent are first weighed, 1 part of compatilizer is added and mixed in banburying extruder
Granulation is closed, antibacterial matrices are made；
Then each group got ready according to foregoing parts by weight is distributed into mixer and premixed 3~10 minutes, is obtained above-mentioned
The premix arrived is by double screw extruder, and it is 400rpm to control screw extruder rotating speed, and extrusion temperature is 200~220 DEG C, pressure
Power is 2~4MPa, and screw slenderness ratio is 44:1, by melting extrusion, granulation can be prepared by the PC/ASA alloy materials of antibacterial.
Embodiment 3
A kind of PC/ASA alloy materials of antibacterial, include the component of following parts by weight：65 parts of PC resin, ASA resin 35
Part, 5 parts of antibacterial matrices, 1 part of compatilizer, 0.2 part of phosphite ester, 0.2 part of pentaerythritol ester.
Its preparation method is as follows：
50 parts of PC resin, 30 parts of silver-based inorganic antibacterial agent are first weighed, 2 parts of compatilizer is added and mixed in banburying extruder
Granulation is closed, antibacterial matrices are made；
Then each group got ready according to foregoing parts by weight is distributed into mixer and premixed 3~10 minutes, is obtained above-mentioned
The premix arrived is by double screw extruder, and it is 400rpm to control screw extruder rotating speed, and extrusion temperature is 200~220 DEG C, pressure
Power is 2~4MPa, and screw slenderness ratio is 44:1, by melting extrusion, granulation can be prepared by the PC/ASA alloy materials of antibacterial.
Comparative example 1
A kind of PC/ASA alloy materials of antibacterial, include the component of following parts by weight：75 parts of PC resin, ASA resin 25
Part, 1 part of compatilizer, 0.2 part of phosphite ester, 0.2 part of pentaerythritol ester.
Its preparation method is as follows：
It will be premixed 3~10 minutes in the above-mentioned component feeding mixer got ready, premix obtained above passed through into double spiral shells
Bar extruder, it is 400rpm to control screw extruder rotating speed, and extrusion temperature is 200~220 DEG C, and pressure is 2~4MPa, and screw rod is long
Footpath ratio is 44:1.
Comparative example 2
A kind of PC/ASA alloy materials of antibacterial, include the component of following parts by weight：75 parts of PC resin, ASA resin 25
Part, 1 part of compatilizer, 1 part of silver system organic antibacterial agent, 0.2 part of phosphite ester, 0.2 part of pentaerythritol ester.
Its preparation method is as follows：
It will be premixed 3~10 minutes in the above-mentioned component feeding mixer got ready, premix obtained above passed through into double spiral shells
Bar extruder, it is 400rpm to control screw extruder rotating speed, and extrusion temperature is 200~220 DEG C, and pressure is 2~4MPa, and screw rod is long
Footpath ratio is 44:1.
Comparative example 3
A kind of PC/ASA alloy materials of antibacterial, include the component of following parts by weight：75 parts of PC resin, ASA resin 25
Part, 1 part of compatilizer, 5 parts of silver system organic antibacterial agent, 0.2 part of phosphite ester, 0.2 part of pentaerythritol ester.
Its preparation method is identical with comparative example 2.
PC/ASA alloy materials prepared by above-described embodiment 1-3 and comparative example 1-3 are according to GB/T20944.2-2007 side
Method carries out Anti-microbial Performance Tests, compares antibiotic rate, when antibiotic rate >=90%, then illustrates that sample has antibacterial effect；Work as antibiotic rate
>=99%, then illustrate that sample has good antibacterial effect, the results are shown in Table 1.
The antibiotic rate of table 1 compares
Embodiment 4
A kind of PC/ASA alloy materials of antibacterial, include the component of following parts by weight：75 parts of PC resin, ASA resin 25
Part, 10 parts of antibacterial matrices, 3 parts of compatilizer, 0.2 part of phosphite ester, 0.2 part of pentaerythritol ester.
Its preparation method is as follows：
50 parts of PC resin, 30 parts of silver-based inorganic antibacterial agent are first weighed, 2 parts of compatilizer is added and mixed in banburying extruder
Granulation is closed, antibacterial matrices are made；
Then each group got ready according to foregoing parts by weight is distributed into mixer and premixed 3~10 minutes, is obtained above-mentioned
The premix arrived is by double screw extruder, and it is 400rpm to control screw extruder rotating speed, and extrusion temperature is 200~220 DEG C, pressure
Power is 2~4MPa, and screw slenderness ratio is 44:1, by melting extrusion, granulation can be prepared by the PC/ASA alloy materials of antibacterial.
Embodiment 5
A kind of PC/ASA alloy materials of antibacterial, include the component of following parts by weight：75 parts of PC resin, ASA resin 25
Part, 15 parts of antibacterial matrices, 3 parts of compatilizer, 0.2 part of phosphite ester, 0.2 part of pentaerythritol ester.
Its preparation method is as follows：
50 parts of PC resin, 30 parts of silver-based inorganic antibacterial agent are first weighed, 2 parts of compatilizer is added and mixed in banburying extruder
Granulation is closed, antibacterial matrices are made；
Then each group got ready according to foregoing parts by weight is distributed into mixer and premixed 3~10 minutes, is obtained above-mentioned
The premix arrived is by double screw extruder, and it is 400rpm to control screw extruder rotating speed, and extrusion temperature is 200~220 DEG C, pressure
Power is 2~4MPa, and screw slenderness ratio is 44:1, by melting extrusion, granulation can be prepared by the PC/ASA alloy materials of antibacterial.
Embodiment 6
A kind of PC/ASA alloy materials of antibacterial, include the component of following parts by weight：75 parts of PC resin, ASA resin 25
Part, 20 parts of antibacterial matrices, 5 parts of compatilizer, 0.2 part of phosphite ester, 0.2 part of pentaerythritol ester.
Its preparation method is as follows：
50 parts of PC resin, 30 parts of silver-based inorganic antibacterial agent are first weighed, 2 parts of compatilizer is added and mixed in banburying extruder
Granulation is closed, antibacterial matrices are made；
Then each group got ready according to foregoing parts by weight is distributed into mixer and premixed 3~10 minutes, is obtained above-mentioned
The premix arrived is by double screw extruder, and it is 400rpm to control screw extruder rotating speed, and extrusion temperature is 200~220 DEG C, pressure
Power is 2~4MPa, and screw slenderness ratio is 44:1, by melting extrusion, granulation can be prepared by the PC/ASA alloy materials of antibacterial.
PC/ASA alloy materials prepared by above-described embodiment 4-6 carry out antibiotic property according to GB/T20944.2-2007 methods
It can test, test antibiotic rate, the results are shown in Table 2.
The antibiotic rate of table 2 is tested
| Pilot project | Test method | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Antibiotic rate | GB/T20944.2 | 97.8% | 98.3% | 98.5% |
The physical property tested in above-mentioned comparative example 1-3 and embodiment 1~6, specific test result such as table 3 below.
The quantitative measurement result of table 3
From above-mentioned test result can be seen that the present invention in embodiment 3 and 4 PC/ASA alloy material antibacterial matrices are made
It integrates physical property with being not added with the suitable of antibacterial matrices (comparative example 1), and antibiotic rate can reach 20 parts of antibacterial matrices of addition
Effect, on the premise of high antibiotic rate is met, can be achieved the production decision of low cost.
Concrete application approach of the present invention is a lot, and described above is only the preferred embodiment of the present invention.It should be pointed out that more than
Embodiment is merely to illustrate the present invention, and the protection domain being not intended to limit the invention.For the common skill of the art
For art personnel, under the premise without departing from the principles of the invention, some improvement can also be made, these improvement also should be regarded as this hair
Bright protection domain.
Claims (10)
1. the PC/ASA alloy materials of a kind of antibacterial, it is characterised in that include each component of following parts by weight：
30~80 parts of PC resin,
10~40 parts of ASA resin,
5~20 parts of antibacterial matrices,
1~5 part of compatilizer,
0.1~1 part of antioxidant,
0.1~1 part of lubricant.
2. the PC/ASA alloy materials of antibacterial according to claim 1 again, it is characterised in that described PC resin is divided equally
Son amount is 30000-45000.
3. the PC/ASA alloy materials of antibacterial according to claim 1, it is characterised in that described ASA resin is propylene
The graft copolymer of fine-styrene-butyl acrylate composition, wherein the content of the butyl acrylate is 15~55wt%.
4. the PC/ASA alloy materials of antibacterial according to claim 1, it is characterised in that described compatilizer be SAN and
The graft of maleic anhydride, SAN and copolymer, ethylene methyl acrylate and metering system with GMA
One or more in the copolymer of acid glycidyl ester.
5. the PC/ASA alloy materials of antibacterial according to claim 1, it is characterised in that described antibacterial matrices include silver
Based inorganic antibacterial agent；Selected silver-based inorganic antibacterial agent is using basic zirconium phosphate as carrier, and wherein mass content silver-colored in antibacterial matrices is
10%.
6. the PC/ASA alloy materials of antibacterial according to claim 5, it is characterised in that the preparation of described antibacterial matrices
Method comprises the following steps：
40~70 parts of PC resin, 20~40 parts of silver-based inorganic antibacterial agent are weighed by weight, and 1~3 part of compatilizer adds banburying
Mixing granulation is carried out in extruder, you can antibacterial matrices are made.
7. the PC/ASA alloy materials of antibacterial according to claim 1, it is characterised in that described antioxidant includes commercially available
One or more in antioxidant 245, antioxidant 1076, irgasfos 168.
8. the PC/ASA alloy materials of antibacterial according to claim 1, it is characterised in that described lubricant includes silicone
One or more in powder, pentaerythritol ester, ethylene bis stearic amide.
9. a kind of preparation method of the PC/ASA alloy materials of basis antibacterial as claimed in claim 1, it is characterised in that the party
Method uses following steps：
(a) PC resin, ASA resin, antibacterial matrices, compatilizer, antioxidant and lubricant are added and mixed in mixer；
(b) mixture obtained by step (a) is blended by double screw extruder and granulated, control screw extruder rotating speed be 300~
600rpm, extrusion temperature is 200~220 DEG C, and pressure is 2~4MPa, and by melting extrusion, granulation can be prepared by the PC/ of antibacterial
ASA alloy materials.
10. the preparation method of antibacterial PC/ASA alloy materials according to claim 9, it is characterised in that described double spiral shells
The draw ratio for the extruder screw that bar extruder is used is 44：1.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109627766A (en) * | 2018-11-27 | 2019-04-16 | 吴雅萍 | A kind of PPS composite material |
| CN109627735A (en) * | 2018-12-26 | 2019-04-16 | 天津金发新材料有限公司 | A kind of antistatic, antibacterial PC/ASA material, preparation method and applications |
| CN109679314A (en) * | 2018-12-26 | 2019-04-26 | 上海瀚氏科技集团有限公司 | Automotive upholstery PC/ASA plastics and its production technology |
| CN112898724A (en) * | 2021-02-23 | 2021-06-04 | 滁州米润科技有限公司 | Long-acting antibacterial ABS plastic and preparation method and application thereof |
| CN115975365A (en) * | 2022-12-30 | 2023-04-18 | 青岛海泰科新材料科技有限公司 | Highlight antibacterial spraying-free PC/ASA composite material and preparation method thereof |
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| CN101787189A (en) * | 2009-02-12 | 2010-07-28 | 深圳市科聚新材料有限公司 | Weatherproof and antibacterial polycarbonate engineering plastic and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109627766A (en) * | 2018-11-27 | 2019-04-16 | 吴雅萍 | A kind of PPS composite material |
| CN109627735A (en) * | 2018-12-26 | 2019-04-16 | 天津金发新材料有限公司 | A kind of antistatic, antibacterial PC/ASA material, preparation method and applications |
| CN109679314A (en) * | 2018-12-26 | 2019-04-26 | 上海瀚氏科技集团有限公司 | Automotive upholstery PC/ASA plastics and its production technology |
| CN109679314B (en) * | 2018-12-26 | 2021-02-02 | 上海瀚氏科技集团有限公司 | PC/ASA plastic for automotive interior parts and production process thereof |
| CN112898724A (en) * | 2021-02-23 | 2021-06-04 | 滁州米润科技有限公司 | Long-acting antibacterial ABS plastic and preparation method and application thereof |
| CN115975365A (en) * | 2022-12-30 | 2023-04-18 | 青岛海泰科新材料科技有限公司 | Highlight antibacterial spraying-free PC/ASA composite material and preparation method thereof |
| CN115975365B (en) * | 2022-12-30 | 2024-08-16 | 青岛海泰科新材料科技有限公司 | Highlight antibacterial spraying-free PC/ASA composite material and preparation method thereof |
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Application publication date: 20171103 |