CN111205615B - Flame-retardant blister PC/ABS alloy material and preparation method and application thereof - Google Patents
Flame-retardant blister PC/ABS alloy material and preparation method and application thereof Download PDFInfo
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Abstract
The invention discloses a flame-retardant blister PC/ABS alloy material, a preparation method and application thereof, and belongs to the technical field of organic synthetic materials. The flame-retardant blister PC/ABS alloy material comprises the following components in parts by weight: PC-12273-74 parts, PA-17309-11 parts, 3-5 parts of an interface toughening compatilizer, 7-9 parts of a phosphazene flame retardant, 2.5-3.5 parts of a plasticizing flame-retardant synergist, 0.3-0.5 part of an anti-dripping agent, 0.45-0.55 part of a lubricant and 0.15-0.25 part of an antioxidant; the plasticizing flame-retardant synergist is triphenyl phosphate or diphenyl phosphate. The PC/ABS alloy material provided by the invention has good comprehensive performance, good absorption plasticity and high saturation.
Description
Technical Field
The invention relates to the technical field of organic synthetic materials, in particular to a flame-retardant blister PC/ABS alloy material and a preparation method and application thereof.
Background
Polycarbonates (PC for short) are high molecular polymers containing carbonate groups in the molecular chain, and are classified into various types, such as aliphatic, aromatic, aliphatic-aromatic, and the like, depending on the structure of the ester group. PC has the advantages of high impact strength, good creep resistance and dimensional stability, excellent heat resistance and dielectric property and the like, and also has the defects of poor processing fluidity, easy stress cracking, notch sensitivity, poor chemical resistance and the like. ABS resin is a terpolymer (acrylonitrile-butadiene-styrene) developed on the basis of modification of Polystyrene (PS) resin, and is thermoplastic resin which is between engineering plastics and general plastics, has good comprehensive performance and is easy to process and mold. ABS resins have good toughness, rigidity and processability, but are deficient in other mechanical properties and the like. The PC/ABS alloy is an engineering plastic which is formed by mixing Polycarbonate (PC) and acrylonitrile-butadiene-styrene copolymer (ABS) acrylonitrile, has excellent thermoplastic performance and wide application.
The PC/ABS alloy has the excellent performances of both PC and ABS, and not only has better heat resistance, rigidity and dimensional stability and good tensile and impact properties of PC resin, but also has excellent processing flowability and low-temperature impact resistance of ABS. The PC/ABS alloy performance can make up the deficiency of single-component materials, and achieve the effect of making up for the deficiency. The PC/ABS alloy is widely applied to the fields of communication electronics, household appliances, automobile industry and the like. However, PC/ABS alloys also have significant disadvantages: for example, the current PC/ABS alloy cannot meet the requirements of high absorption plasticity and high saturation property at the same time.
Disclosure of Invention
In view of the above, the invention provides a flame-retardant blister PC/ABS alloy material, and a preparation method and application thereof.
In order to solve the technical problem, the invention provides a flame-retardant blister PC/ABS alloy material which comprises the following components in parts by weight:
PC-12273-74 parts, PA-17309-11 parts, 3-5 parts of an interface toughening compatilizer, 7-9 parts of a phosphazene flame retardant, 2.5-3.5 parts of a plasticizing flame-retardant synergist, 0.3-0.5 part of an anti-dripping agent, 0.45-0.55 part of a lubricant and 0.15-0.25 part of an antioxidant;
the plasticizing flame-retardant synergist is triphenyl phosphate or diphenyl phosphate.
Preferably, the composition comprises the following components in parts by weight: PC-12273.7 parts, PA-173010 parts, 4 parts of interface toughening compatilizer, 8 parts of phosphazene flame retardant, 3 parts of plasticizing flame-retardant synergist, 0.4 part of anti-dripping agent, 0.5 part of lubricant and 0.2 part of antioxidant.
Preferably, the interface toughening compatilizer is maleic anhydride grafted styrene, alkene-methyl acrylate copolymer or silane coupling agent.
Preferably, the lubricant is a fatty acid and esters thereof, a fatty acid amide, a metal soap, hydrocarbons, an organosilicon compound or a phosphate.
Preferably, the antioxidant is an aromatic amine antioxidant, a hindered phenol antioxidant, a didodecanol ester, a dimyristyl alcohol ester or a dioctadecyl alcohol ester.
The invention provides a preparation method of the flame-retardant blister PC/ABS alloy material, which comprises the following steps:
1) mixing and stirring PC-122 and PA-1730 to obtain a first mixture;
2) mixing and stirring the interface toughening compatilizer, the phosphazene flame retardant, the plasticizing flame-retardant synergist, the anti-dripping agent, the lubricant and the antioxidant with the first mixture to obtain a total mixture;
3) and (3) extruding, granulating and cooling the total mixture obtained in the step 2) to obtain the flame-retardant blister PC/ABS alloy material.
Preferably, the rotating speed of mixing and stirring in the step 1) is 400-600 r/min, and the time of mixing and stirring is 3-5 min.
The rotating speed of mixing and stirring in the step 2) is 2500-3000 r/min, and the mixing and stirring time is 2-3 min.
Preferably, the rotation speed during extrusion granulation in the step 3) is 300-400 r/min, and the temperature is 240-265 ℃.
The invention provides an application of the flame-retardant blister PC/ABS alloy material or the flame-retardant blister PC/ABS alloy material prepared by the scheme in preparation of a mobile phone battery charge-discharge test tray.
Compared with the prior art, the invention has the following technical effects:
the flame-retardant blister PC/ABS alloy provided by the invention adopts triphenyl phosphate or diphenyl phosphate as a plasticizing flame-retardant synergist, can enhance flexibility, reduce plasticizing temperature, is easy to process, and can better keep ductility of materials, thereby improving flame-retardant PC/ABS blisterThe plastic uptake plumpness and the thickness uniformity of the product in the process. By being inserted among polymer molecular chains, the alloy weakens intermolecular stress, has higher fluidity and improves the processing performance, and the flame retardant grade of the alloy material is UL94V 0. The example result shows that the notch impact strength of the flame-retardant blister PC/ABS alloy material prepared in the examples 1-3 is more than 50KJ/m2The tensile strength is more than 60MPa, the bending strength is more than 80MPa, the thermal deformation temperature is more than 90 ℃, the flame retardance is 1.6mmV0, the product saturation is 100%, and the overall performance meets the use conditions of mobile phone battery trays such as apples, Huashi and the like.
Detailed Description
The invention provides a flame-retardant blister PC/ABS alloy material, which comprises the following components in parts by weight: PC-12273-74 parts, PA-17309-11 parts, 3-5 parts of an interface toughening compatilizer, 7-9 parts of a phosphazene flame retardant, 2.5-3.5 parts of a plasticizing flame-retardant synergist, 0.3-0.5 part of an anti-dripping agent, 0.45-0.55 part of a lubricant and 0.15-0.25 part of an antioxidant; the plasticizing flame-retardant synergist is triphenyl phosphate or diphenyl phosphate.
The flame-retardant blister PC/ABS alloy material provided by the invention comprises PC-122. The weight portion of the organic silicon fertilizer is 73-74 portions, and preferably 73.7 portions. The source of the PC-122 is not particularly limited in the present invention, and a conventional commercially available product may be used. The PC-122 employed in the embodiments of the present invention was purchased from zhenjiangqimei corporation.
The flame-retardant blister PC/ABS alloy material provided by the invention comprises PA-1730. The weight portion of the organic silicon fertilizer comprises 9-11 portions, preferably 10 portions. In the present invention, the source of PA-1730 is not particularly limited, and a conventional commercially available product may be used. PA-1730 used in the examples of the present invention was purchased from Zhenjiang Qimei.
The flame-retardant blister PC/ABS alloy material provided by the invention comprises an interface toughening compatilizer. The weight portion of the organic silicon compound is 3-5, preferably 4. In the present invention, the interfacial toughening compatibilizer is preferably maleic anhydride grafted styrene, an alkene-methyl acrylate copolymer, or a silane coupling agent, and more preferably an alkene-methyl acrylate copolymer. The source of the interface toughening compatilizer is not particularly limited, and the interface toughening compatilizer can be prepared from conventional commercial products. The interface toughening compatilizer adopted in the embodiment of the invention is American Dow MBS 2620.
The flame-retardant blister PC/ABS alloy material provided by the invention comprises a phosphazene flame retardant. The weight portion of the organic silicon fertilizer is 7-9 portions, and 8 portions is preferable. The source of the phosphazene flame retardant is not particularly limited, and the phosphazene flame retardant can be prepared from conventional commercial products. The phosphazene flame retardant used in the examples of the present invention was purchased from wilkinawal.
The flame-retardant blister PC/ABS alloy material provided by the invention comprises a plasticizing flame-retardant synergist; the plasticizing flame-retardant synergist is triphenyl phosphate or diphenyl phosphate. The weight portion of the organic silicon compound is 2.5-3.5 portions, preferably 3 portions. In the present invention, the plasticizing flame-retardant synergist is preferably triphenyl phosphate. The source of the plasticizing flame-retardant synergist is not particularly limited, and the plasticizing flame-retardant synergist can be prepared from conventional commercial products. The plasticizing flame-retardant synergist adopted in the embodiment of the invention is purchased from prosperous chemical industry. The plasticizing flame-retardant synergist can enhance the flexibility, reduce the plasticizing temperature, is easy to process, and can better keep the ductility of the material, thereby improving the plastic uptake fullness degree and the thickness uniformity of the product in the flame-retardant PC/ABS plastic uptake process.
The flame-retardant blister PC/ABS alloy material provided by the invention comprises an anti-dripping agent. The weight portion of the organic silicon compound is 0.3-0.5 portion, and preferably 0.4 portion. In the present invention, the anti-dripping agent is preferably entropy energy 3306. The source of the anti-dripping agent is not particularly limited, and the anti-dripping agent can be prepared from conventional commercial products. The anti-dripping agent employed in the embodiments of the present invention was purchased from entropy energy. The anti-dripping agent can prevent the product from dripping during combustion, and achieves flame retardance V0.
The flame-retardant blister PC/ABS alloy material provided by the invention comprises a lubricant. The weight portion of the organic silicon-based organic silicon material is 0.45-0.55 portion, and preferably 0.5 portion. In the present invention, the lubricant is preferably a fatty acid and an ester thereof, a fatty acid amide, a metal soap, a hydrocarbon, an organosilicon compound or a phosphate, and more preferably a fatty acid. The source of the lubricant is not particularly limited in the present invention, and a conventional commercially available product may be used. The lubricant used in the examples of the present invention was purchased from Tianjin Lianlong. The lubricant in the present invention can improve the lubrication between molecules.
The flame-retardant blister PC/ABS alloy material provided by the invention comprises an antioxidant. The weight portion of the organic silicon-based organic silicon material is 0.15-0.25 portion, and preferably 0.2 portion. In the present invention, the antioxidant is preferably an aromatic amine antioxidant, a hindered phenol antioxidant, a bisdodecyl alcohol ester, a bistetradecyl alcohol ester or a bisoctadecyl alcohol ester, and more preferably a hindered phenol antioxidant. The source of the antioxidant is not particularly limited in the present invention, and a conventional commercially available product may be used. The antioxidant employed in the examples of the present invention was purchased from Tianjin Lianlong. The antioxidant in the present invention prevents oxidation of the article.
The invention provides a preparation method of the flame-retardant blister PC/ABS alloy material, which comprises the following steps:
1) mixing and stirring PC-122 and PA-1730 to obtain a first mixture;
2) mixing and stirring the interface toughening compatilizer, the phosphazene flame retardant, the plasticizing flame-retardant synergist, the anti-dripping agent, the lubricant and the antioxidant with the first mixture to obtain a total mixture;
3) and (3) extruding, granulating and cooling the total mixture obtained in the step 2) to obtain the flame-retardant blister PC/ABS alloy material.
The invention mixes PC-122 and PA-1730 and stirs to obtain the first mixture. In the invention, the rotation speed of the mixing and stirring is preferably 400-600 r/min, and more preferably 500 r/min; the mixing and stirring time is preferably 3-5 min, and more preferably 4 min.
After the first mixture is obtained, the interface toughening compatilizer, the phosphazene flame retardant, the plasticizing flame-retardant synergist, the anti-dripping agent, the lubricant and the antioxidant are mixed and stirred with the first mixture to obtain a total mixture. In the invention, the rotation speed of mixing and stirring is preferably 2500-3500 r/min, and more preferably 3000 r/min; the mixing and stirring time is preferably 2-3 min.
After the total mixture is obtained, the total mixture is extruded, granulated and cooled to obtain the flame-retardant blister PC/ABS alloy material. In the invention, the rotation speed during extrusion granulation is preferably 300-400 r/min, and more preferably 350 r/min; the temperature of the extrusion granulation is preferably 240-265 ℃, and more preferably 255 ℃. In the present invention, the cooling is preferably performed by flowing water. In the present invention, it is preferable to carry out the granulation and packaging after cooling. In the invention, the equipment used for extrusion granulation is preferably a co-rotating twin-screw extruder.
The invention provides an application of the flame-retardant blister PC/ABS alloy material or the flame-retardant blister PC/ABS alloy material prepared by the scheme in preparation of a mobile phone battery charge-discharge test tray.
In order to further illustrate the present invention, the following embodiments are described in detail, but they should not be construed as limiting the scope of the present invention.
Example 1
730Kg of PC-122 and 110Kg of PA-1730 were stirred at 400r/min for 5min to obtain a first mixture.
Mixing and stirring 30Kg of interface toughening compatibilizer MBS2620, 90Kg of phosphazene flame retardant (PCTP), 25Kg of triphenyl phosphate, 5Kg of anti-dripping agent (entropy energy 3306), 4.5Kg of lubricant (Tianjin Lianlong PETS) and 2.5Kg of antioxidant (Tianjin Lianlong 168) with the first mixture at the rotating speed of 2500r/min for 3min to obtain a total mixture;
and (3) extruding and granulating the total mixture by using a co-rotating double-screw extruder (the rotating speed is 300r/min, the temperature is 265 ℃), and cooling in a water tank to obtain the flame-retardant blister PC/ABS alloy material.
Example 2
740Kg of PC-122 and 90Kg of PA-1730 were stirred at 600r/min for 3min to obtain a first mixture.
Mixing 50Kg of interface toughening compatilizer MBS2620, 70Kg of phosphazene flame retardant (PCTP), 35Kg of triphenyl phosphate, 3Kg of anti-dripping agent (entropy energy 3306), 5.5Kg of lubricant (Tianjin Lianlong PETS) and 1.5Kg of antioxidant (Tianjin Lianlong 168) with the first mixture at the rotating speed of 3500r/min and stirring for 2min to obtain a total mixture;
and (3) extruding and granulating the total mixture by using a co-rotating double-screw extruder (the rotating speed is 400r/min, the temperature is 240 ℃), and cooling in a water tank to obtain the flame-retardant blister PC/ABS alloy material.
Example 3
737Kg of PC-122 and 100Kg of PA-1730 were stirred at 500r/min for 4min to obtain a first mixture.
Mixing 40Kg of interface toughening compatibilizer MBS2620, 80Kg of phosphazene flame retardant (PCTP), 30Kg of triphenyl phosphate, 4Kg of anti-dripping agent (entropy energy 3306), 5Kg of lubricant (Tianjin Lianlong PETS) and 2Kg of antioxidant (Tianjin Lianlong 168) with the first mixture at the rotating speed of 3000r/min, and stirring for 3min to obtain a total mixture;
and extruding and granulating the total mixture by using a co-rotating double-screw extruder (the rotating speed is 400r/min, the temperature is 255 ℃), and cooling in a water tank to obtain the flame-retardant blister PC/ABS alloy material.
Comparative example 1
The operating conditions were exactly the same as in example 3, except that the composition was different from example 3, and the specific formulation is shown in table 1:
TABLE 1 table of each compounding ratio component
Example 4
The PC/ABS alloy materials obtained in examples 1-3 and comparative example 1 were subjected to performance testing, and specific detection indexes and detection results are shown in Table 2:
TABLE 2 PC/ABS alloy material Performance test results
The PC/ABS alloy materials obtained in examples 1 to 3 and comparative example 1 were added to an extruder and extruded into sheets, the sheets were molded into products using a vacuum molding machine, and the molded products were subjected to saturation test (two vacuum molded panels were taken, each panel had 50 vacuum molded parts, saturation was observed, the ratio of the volume of the molded part to the volume of the mold was greater than 95%, and it was judged to be saturated), and the specific test results are shown in table 3.
TABLE 3 saturation results statistics
As can be seen from tables 2 and 3, the notch impact strength of the flame-retardant blister PC/ABS alloy material prepared in the embodiments 1 to 3 of the invention is more than 50KJ/m2The tensile strength is more than 60MPa, the bending strength is more than 80MPa, the thermal deformation temperature is more than 90, the flame retardance is 1.6mmV0, the product saturation is 100%, and the overall performance meets the use conditions of mobile phone battery trays such as apples, Huashi and the like.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The flame-retardant blister PC/ABS alloy material is characterized by comprising the following components in parts by weight:
PC-12273-74 parts, PA-17309-11 parts, 3-5 parts of an interface toughening compatilizer, 7-9 parts of a phosphazene flame retardant, 2.5-3.5 parts of a plasticizing flame-retardant synergist, 0.3-0.5 part of an anti-dripping agent, 0.45-0.55 part of a lubricant and 0.15-0.25 part of an antioxidant; the plasticizing flame-retardant synergist is triphenyl phosphate or diphenyl phosphate; the above-mentionedThe interface toughening compatibilizer is MBS; the notch impact strength of the flame-retardant blister PC/ABS alloy material is more than 50KJ/m2Tensile strength is more than 60MPa, bending strength is more than 80MPa, thermal deformation temperature is more than 90 ℃, and flame retardance is 1.6mmV0And the product saturation is 100 percent.
2. The flame retardant blister PC/ABS alloy material of claim 1, comprising the following components in parts by weight:
PC-12273.7 parts, PA-173010 parts, 4 parts of interface toughening compatilizer, 8 parts of phosphazene flame retardant, 3 parts of plasticizing flame-retardant synergist, 0.4 part of anti-dripping agent, 0.5 part of lubricant and 0.2 part of antioxidant.
3. The flame retardant blister PC/ABS alloy material of claim 1 or 2, wherein the lubricant is a fatty acid and its esters, fatty acid amides, metal soaps, hydrocarbons, organosilicon compounds or phosphates.
4. The flame retardant blister PC/ABS alloy material of claim 1 or 2, wherein the antioxidant is an aromatic amine antioxidant, a hindered phenol antioxidant, a didodecyl alcohol ester, a dimyristyl alcohol ester or a dioctadecyl alcohol ester.
5. The preparation method of the flame retardant blister PC/ABS alloy material of any one of claims 1 to 4, characterized by comprising the following steps:
1) mixing and stirring PC-122 and PA-1730 to obtain a first mixture;
2) mixing and stirring the interface toughening compatilizer, the phosphazene flame retardant, the plasticizing flame-retardant synergist, the anti-dripping agent, the lubricant and the antioxidant with the first mixture to obtain a total mixture;
3) and (3) extruding, granulating and cooling the total mixture obtained in the step 2) to obtain the flame-retardant blister PC/ABS alloy material.
6. The preparation method of claim 5, wherein the rotation speed of the mixing and stirring in the step 1) is 400-600 r/min, and the time of the mixing and stirring is 3-5 min.
7. The preparation method of claim 5, wherein the rotation speed of the mixing and stirring in the step 2) is 2500-3000 r/min, and the time of the mixing and stirring is 2-3 min.
8. The preparation method according to claim 5, wherein the rotation speed during extrusion granulation in the step 3) is 300-400 r/min, and the temperature is 240-265 ℃.
9. The use of the flame retardant blister PC/ABS alloy material of any one of claims 1 to 4 or the flame retardant blister PC/ABS alloy material prepared by the method of any one of claims 5 to 8 in the preparation of a mobile phone battery charge and discharge test tray.
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| CN102936416A (en) * | 2012-11-22 | 2013-02-20 | 天津市飞荣达科技有限公司 | Halogen-free flame retardant, and application and polycarbonate composition thereof |
| CN104448753A (en) * | 2013-09-25 | 2015-03-25 | 殷培花 | PC/ABS blending flame-retardant material |
| CN104530679A (en) * | 2014-12-19 | 2015-04-22 | 上虞市精亮工贸有限公司 | Low-gloss flame-retardant alloy |
| CN109265956A (en) * | 2018-08-30 | 2019-01-25 | 惠州市沃特新材料有限公司 | A kind of makrolon material and preparation method thereof |
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| CN102936416A (en) * | 2012-11-22 | 2013-02-20 | 天津市飞荣达科技有限公司 | Halogen-free flame retardant, and application and polycarbonate composition thereof |
| CN104448753A (en) * | 2013-09-25 | 2015-03-25 | 殷培花 | PC/ABS blending flame-retardant material |
| CN104530679A (en) * | 2014-12-19 | 2015-04-22 | 上虞市精亮工贸有限公司 | Low-gloss flame-retardant alloy |
| CN109265956A (en) * | 2018-08-30 | 2019-01-25 | 惠州市沃特新材料有限公司 | A kind of makrolon material and preparation method thereof |
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