CN112430387A - Transparent flame-retardant polycarbonate material and product thereof - Google Patents
Transparent flame-retardant polycarbonate material and product thereof Download PDFInfo
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- CN112430387A CN112430387A CN201910790712.0A CN201910790712A CN112430387A CN 112430387 A CN112430387 A CN 112430387A CN 201910790712 A CN201910790712 A CN 201910790712A CN 112430387 A CN112430387 A CN 112430387A
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- polycarbonate
- retardant
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- transparent flame
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the technical field of high polymer materials, and particularly discloses a transparent flame-retardant polycarbonate material and a product thereof. In the transparent flame-retardant polycarbonate material, per 100 parts by weight of a finished material product, the transparent flame-retardant polycarbonate material comprises the following components in parts by weight: 97.3 to 99.25 portions of polycarbonate; 0.05 to 0.2 portion of ultraviolet absorbent; 0.3 to 1 part of flame retardant; and 0.4 to 1.5 portions of antioxidant. The transparent flame-retardant polycarbonate material and the product thereof have better light transmittance, flame retardance and ultraviolet radiation resistance.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of high polymer materials, in particular to a transparent flame-retardant polycarbonate material and a product thereof.
[ background of the invention ]
PC (polycarbonate) has high light transmittance and high physical properties, and is widely used in outdoor equipment. But the PC is easy to age and turn yellow under the action of ultraviolet light because of the polyester structure of the PC. To improve this, carbon black or other dyes are generally used as a light-shielding agent in production, but this greatly affects the light transmittance of the product.
Therefore, it is necessary to design and develop a transparent flame retardant polycarbonate material to solve the above problems.
[ summary of the invention ]
The invention aims to provide a transparent flame-retardant polycarbonate material and a product thereof, which have better light transmittance, flame retardance and ultraviolet radiation resistance.
In order to achieve the purpose, the invention adopts the following technical scheme:
the transparent flame-retardant polycarbonate material comprises the following components in parts by weight per 100 parts by weight of a finished material product:
97.3 to 99.25 portions of polycarbonate;
0.05 to 0.2 portion of ultraviolet absorbent;
0.3 to 1 part of flame retardant; and
0.4 to 1.5 portions of antioxidant.
Preferably, the polycarbonate is composed of a polycarbonate A and a polycarbonate B, and the polycarbonate A and the polycarbonate B are the same in kind but different in melt mass flow rate.
In the present invention, it is preferable that the polycarbonate a and the polycarbonate B are each a bisphenol a type polycarbonate, a polyester carbonate, a silicone-polycarbonate, or a cyclohexane bisphenol a type polycarbonate.
In the present invention, it is preferable that the melt mass flow rates of the polycarbonate A and the polycarbonate B are 3g/10min to 70g/10min at an ambient temperature of 230 ℃ and a load weight of 2.16 Kg.
Further, when the ambient temperature is 230 ℃ and the load weight is 2.16Kg, the melt mass flow rate of the polycarbonate A is 3g/10min, 5g/10min, 10g/10min, 15g/10min, 20g/10min, 25g/10min, 30g/10min, 35g/10min, 40g/10min, 45g/10min, 50g/10min, 55g/10min, 60g/10min, 65g/10min or 70g/10min, the melt mass flow rate of the polycarbonate B is 3g/10min, 5g/10min, 10g/10min, 15g/10min, 20g/10min, 25g/10min, 30g/10min, 35g/10min, 40g/10min, 45g/10min, or, 50g/10min, 55g/10min, 60g/10min, 65g/10min, or 70g/10 min.
Preferably, the ultraviolet absorber is selected from benzophenones, benzotriazoles or hindered amines.
Further, the content of the ultraviolet absorber is preferably 0.05 parts, 0.06 parts, 0.08 parts, 0.1 parts, 0.12 parts, 0.14 parts, 0.15 parts, 0.16 parts, 0.18 parts or 0.2 parts per 100 parts by weight of the finished material.
Preferably, the flame retardant is a mixture of a sulfonate flame retardant and a silicone flame retardant, wherein the ratio of 1: 1 in a certain proportion.
Further, the content of the flame retardant is preferably 0.3 parts, 0.4 parts, 0.5 parts, 0.6 parts, 0.7 parts, 0.8 parts, 0.9 parts or 1 part per 100 parts by weight of the finished material.
Preferably, the sulfonate flame retardant comprises at least one of potassium benzenesulfonyl benzenesulfonate, potassium perfluorobutylsulfonate, sodium 2, 4, 5-trichlorophenylsulfonate and derivatives thereof; the organic silicon flame retardant comprises at least one of polysiloxane and derivatives thereof.
Preferably, the antioxidant is a compound of a phosphite antioxidant and a hindered phenol antioxidant and/or a hindered amine antioxidant.
Further, the content of the antioxidant is preferably 0.4 parts, 0.5 parts, 0.6 parts, 0.7 parts, 0.8 parts, 0.9 parts, 1 part, 1.1 parts, 1.2 parts, 1.3 parts, 1.4 parts or 1.5 parts per 100 parts by weight of the finished material.
Preferably, the phosphite antioxidant accounts for 1/3-1/2 of the total amount of the antioxidant.
The transparent flame-retardant polycarbonate product is prepared by molding the transparent flame-retardant polycarbonate material.
The invention has the beneficial effects that: according to the transparent flame-retardant polycarbonate material and the product thereof, the ultraviolet absorbent, the flame retardant and the antioxidant are added into the polycarbonate material, so that the polycarbonate material with high light transmittance, high flame-retardant grade and ultraviolet radiation resistance can be obtained, and the transparent flame-retardant polycarbonate material has potential application in outdoor products such as outdoor films, plates and the like.
[ detailed description ] embodiments
The invention provides a transparent flame-retardant polycarbonate material, which comprises the following components in parts by weight per 100 parts by weight of a finished material:
97.3 to 99.25 portions of polycarbonate;
0.05 to 0.2 portion of ultraviolet absorbent;
0.3 to 1 part of flame retardant; and
0.4 to 1.5 portions of antioxidant.
Specifically, in the transparent flame-retardant polycarbonate material, the polycarbonate consists of polycarbonate A and polycarbonate B, and the polycarbonate A and the polycarbonate B are the same in type but different in melt mass flow rate. Further, both of the polycarbonate a and the polycarbonate B are bisphenol a type polycarbonate, polyester carbonate, silicone-polycarbonate, or cyclohexane bisphenol a type polycarbonate. The melt mass flow rates of the polycarbonate A and the polycarbonate B are 3g/10 min-70 g/10min at an ambient temperature of 230 ℃ and a load weight of 2.16 Kg. During preparation, the proportion of the polycarbonate A and the polycarbonate B can be adjusted correspondingly according to actual needs.
In the transparent flame-retardant polycarbonate material, the ultraviolet absorbent is selected from benzophenones, benzotriazoles or hindered amines. Preferably, the ultraviolet absorbent is a benzotriazole ultraviolet absorbent, has the characteristics of stable performance, low toxicity, strong ultraviolet absorption capacity and the like, can inhibit or weaken photodegradation, improves the light resistance of the material, and has good compatibility with polycarbonate.
In the transparent flame-retardant polycarbonate material, the flame retardant is prepared from a sulfonate flame retardant and an organosilicon flame retardant according to the weight ratio of 1: 1 in a certain proportion. The flame retardant is added into the polycarbonate material, so that the flame retardant grade of the material can reach 0.8mmV-0 on the premise of not influencing the light transmission of the polycarbonate material.
Preferably, the sulfonate-based flame retardant includes at least one of potassium benzenesulfonyl benzenesulfonate, potassium perfluorobutylsulfonate, sodium 2, 4, 5-trichlorophenylsulfonate, and derivatives thereof. The organosilicon flame retardant comprises at least one of polysiloxane and derivatives thereof.
In the transparent flame-retardant polycarbonate material, the antioxidant can effectively prevent the material from yellowing and degrading during processing. Preferably, the antioxidant is a compound of a phosphite antioxidant and a hindered phenol antioxidant and/or a hindered amine antioxidant. Wherein the phosphite antioxidant accounts for 1/3-1/2 of the total amount of the antioxidant, and the balance is hindered phenol antioxidant and/or hindered amine antioxidant.
The technical solution of the present invention is further explained by the following embodiments.
Example 1
Every 100 parts by weight of a finished product of the transparent flame-retardant polycarbonate material comprises 97.5 parts of polycarbonate, 0.2 part of ultraviolet absorber, 1 part of flame retardant and 1.3 parts of antioxidant.
Specifically, in this example, the polycarbonate was composed of 50 parts of polycarbonate A and 47.5 parts of polycarbonate B. Wherein, the polycarbonate A and the polycarbonate B are both bisphenol A polycarbonate; at an ambient temperature of 230 ℃ and a load weight of 2.16Kg, the melt mass flow rate of polycarbonate A was 3g/10min and that of polycarbonate B was 70g/10 min.
The ultraviolet absorber is UV-327.
The flame retardant is prepared from an organic silicon flame retardant and benzenesulfonyl potassium benzenesulfonate according to the weight ratio of 1: 1 in proportion.
The antioxidant consists of 0.5 part of hindered phenol antioxidant, 0.3 part of hindered amine antioxidant and 0.5 part of phosphite antioxidant.
When the transparent flame-retardant polycarbonate material is prepared, the components are weighed according to the proportion, and the components are uniformly mixed and then melted, extruded and granulated.
Comparative example 1
The polycarbonate material comprises 98.7 parts of polycarbonate and 1.3 parts of antioxidant per 100 parts of finished material.
Specifically, the polycarbonate material of this comparative example differs from the transparent flame retardant polycarbonate material of example 1 in that: in this comparative example, the polycarbonate B content was 48.7 parts; no flame retardant or ultraviolet absorber was added.
The polycarbonate material was prepared in the same manner as in example 1.
Comparative example 2
A polycarbonate material comprises 50 parts of polycarbonate A and 50 parts of polycarbonate B per 100 parts by weight of a finished material.
Specifically, the polycarbonate material of this comparative example differs from the transparent flame retardant polycarbonate material of example 1 in that: in this comparative example, the polycarbonate B content was 50 parts; no flame retardant, ultraviolet absorber and antioxidant were added.
The polycarbonate material was prepared in the same manner as in example 1.
After melt extrusion granulation of the above examples and comparative examples, the particles in each example were injection molded into standard test bars on an injection molding machine, and the mechanical properties of the resulting materials were tested according to the standard, with the test results shown in table 1:
| test items | Test standard | Example 1 | Comparative example 1 | Comparative example 2 |
| Tensile Strength (MPa) | ISO527-1,-2 | 59.2 | 60.3 | 61.5 |
| Elongation at Break (%) | ISO527-1,-2 | 92 | 93 | 170 |
| Flexural Strength (MPa) | ISO 178 | 92.4 | 94.7 | 95.1 |
| Flexural modulus (MPa) | ISO 178 | 2300 | 2300 | 2250 |
| Impact Strength (KJ/m)2) | ISO 180 | 58.6 | 60 | 69 |
| Flame retardant rating (0.08mm) | UL-94 | V-0 | NG | NG |
| Yellow index (1.0mm) | ASTM D1003(D65) | 12 | 9 | 20 |
| Light transmittance (%) | ASTM D1003(D65) | 83 | 86 | 91 |
From the test results of the example 1, the comparative example 1 and the comparative example 2, it can be known that the aging degree of the product can be effectively reduced by adding the compounded antioxidant into the polycarbonate material; by adding the compounded flame retardant and the ultraviolet absorbent, the flame retardant grade and the ultraviolet radiation resistance of the material can be greatly improved, and the light transmittance and the mechanical property of the material are basically not influenced.
The invention also provides a transparent flame-retardant polycarbonate product which is prepared by molding the transparent flame-retardant polycarbonate material, has the characteristics of high flame-retardant grade, good light transmission and ultraviolet radiation resistance, and can be widely applied to outdoor products such as outdoor films, plates and the like with high requirements on light transmission, flame-retardant grade and ultraviolet radiation resistance.
The technical principles of the present invention have been described above in connection with specific embodiments, which are intended to explain the principles of the present invention and should not be construed as limiting the scope of the present invention in any way. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. The transparent flame-retardant polycarbonate material is characterized by comprising the following components in parts by weight per 100 parts by weight of a finished material product:
97.3 to 99.25 portions of polycarbonate;
0.05 to 0.2 portion of ultraviolet absorbent;
0.3 to 1 part of flame retardant; and
0.4 to 1.5 portions of antioxidant.
2. The transparent flame retardant polycarbonate material of claim 1, wherein the polycarbonate consists of polycarbonate A and polycarbonate B, and the polycarbonate A and the polycarbonate B are the same species but have different melt mass flow rates.
3. The transparent flame retardant polycarbonate material of claim 2, wherein the polycarbonate A and the polycarbonate B are each a bisphenol A polycarbonate, a polyestercarbonate, a silicone-polycarbonate, or a cyclohexanediphenol A polycarbonate.
4. The transparent flame-retardant polycarbonate material according to claim 2, wherein the melt mass flow rates of the polycarbonate A and the polycarbonate B are 3g/10min to 70g/10min at an ambient temperature of 230 ℃ and a load weight of 2.16 Kg.
5. The transparent flame retardant polycarbonate material of claim 1, wherein the ultraviolet absorber is selected from benzophenones, benzotriazoles or hindered amines.
6. The transparent flame-retardant polycarbonate material according to claim 1, wherein the flame retardant is a mixture of a sulfonate-based flame retardant and a silicone-based flame retardant in a ratio of 1: 1 in a certain proportion.
7. The transparent flame-retardant polycarbonate material of claim 6, wherein the sulfonate-based flame retardant comprises at least one of potassium benzenesulfonyl benzenesulfonate, potassium perfluorobutylsulfonate, sodium 2, 4, 5-trichlorophenylsulfonate, and derivatives thereof; the organic silicon flame retardant comprises at least one of polysiloxane and derivatives thereof.
8. The transparent flame-retardant polycarbonate material of claim 1, wherein the antioxidant is a combination of a phosphite antioxidant and a hindered phenol antioxidant and/or a hindered amine antioxidant.
9. The transparent flame-retardant polycarbonate material as claimed in claim 8, wherein the phosphite antioxidant accounts for 1/3-1/2 of the total amount of the antioxidant.
10. A transparent flame retardant polycarbonate article, wherein the transparent flame retardant polycarbonate article is formed from the transparent flame retardant polycarbonate material of any of claims 1-9.
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| CN201910790712.0A CN112430387A (en) | 2019-08-26 | 2019-08-26 | Transparent flame-retardant polycarbonate material and product thereof |
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| CN201910790712.0A CN112430387A (en) | 2019-08-26 | 2019-08-26 | Transparent flame-retardant polycarbonate material and product thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103509325A (en) * | 2013-09-26 | 2014-01-15 | 湖北索瑞电气有限公司 | High-transparency thermal-insulating anti-flaming UV (ultraviolet) resistant type polycarbonate material and preparation method thereof |
| CN103724971A (en) * | 2013-12-31 | 2014-04-16 | 上海长伟锦磁工程塑料有限公司 | Transparent halogen-free low smoke antiflaming polycarbonate composite material and preparation method thereof |
| CN103788610A (en) * | 2012-10-30 | 2014-05-14 | 上海长伟锦磁工程塑料有限公司 | High-transparency low-temperature-impact-resistant flame-retardant polycarbonate composite material and preparation method thereof |
| CN107778811A (en) * | 2016-08-26 | 2018-03-09 | 汉达精密电子(昆山)有限公司 | Anti-flaming transparent makrolon material and its products formed |
-
2019
- 2019-08-26 CN CN201910790712.0A patent/CN112430387A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103788610A (en) * | 2012-10-30 | 2014-05-14 | 上海长伟锦磁工程塑料有限公司 | High-transparency low-temperature-impact-resistant flame-retardant polycarbonate composite material and preparation method thereof |
| CN103509325A (en) * | 2013-09-26 | 2014-01-15 | 湖北索瑞电气有限公司 | High-transparency thermal-insulating anti-flaming UV (ultraviolet) resistant type polycarbonate material and preparation method thereof |
| CN103724971A (en) * | 2013-12-31 | 2014-04-16 | 上海长伟锦磁工程塑料有限公司 | Transparent halogen-free low smoke antiflaming polycarbonate composite material and preparation method thereof |
| CN107778811A (en) * | 2016-08-26 | 2018-03-09 | 汉达精密电子(昆山)有限公司 | Anti-flaming transparent makrolon material and its products formed |
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