CN109867936B - Colored halogen-free flame-retardant PC antistatic material and product thereof - Google Patents
Colored halogen-free flame-retardant PC antistatic material and product thereof Download PDFInfo
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- CN109867936B CN109867936B CN201711248607.1A CN201711248607A CN109867936B CN 109867936 B CN109867936 B CN 109867936B CN 201711248607 A CN201711248607 A CN 201711248607A CN 109867936 B CN109867936 B CN 109867936B
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Abstract
The invention relates to the technical field of high polymer materials, in particular to a colored halogen-free flame-retardant PC antistatic material and a product thereof. The color halogen-free flame-retardant PC antistatic material comprises the following components: 95-99 parts of PC resin; 1-5 parts of an antistatic agent; 0.1-1.5 parts of sulfonate flame retardant; 0.1-0.5 part of organic silicon flame retardant; wherein the antistatic agent is at least one of ethoxylated alkylamine, ethoxylated lauramide, glycerate and higher alcohol sulfate. After the flame retardant compounded by the antistatic agent, the sulfonate flame retardant and the organosilicon flame retardant is added into the colored halogen-free flame-retardant PC antistatic material, the colored PC antistatic material which has a wide use temperature range and high performance and can be dyed in colors can be prepared, and the flame retardant performance can reach the UL-940.8mm5VB level.
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 colored halogen-free flame-retardant PC antistatic material and a product thereof.
[ background of the invention ]
Along with the multifunctionalization of plastic products and the high integration of electronic circuits, materials with conductive properties are more and more widely applied, and PC materials (Polycarbonate) have high impact strength, the flame retardant grade per se can reach V-2, and the weather resistance is good, so that the PC materials are widely applied to electronic and electrical products, but the plastic is in contact with devices with current or is rubbed with other materials to cause static electricity, so that static electricity accumulation and signal interference are caused, and the application of the plastic products in the fields of printers, household appliance shells or signal line connectors and the like is not facilitated.
The surface resistance of pure PC material is more than 10^14 (14 th power of 10) ohm, and the PC antistatic material is obtained by adding carbon black or carbon fiber. However, since the carbon black and the carbon fiber are all black, the color of the carbon black and the carbon fiber cannot meet the requirements of the current market on color materials, and the required flame retardant grade cannot be met.
In view of the above, there is a need to develop a color halogen-free flame retardant PC antistatic material to solve the problem that the PC antistatic material in the prior art cannot be colored, and to satisfy flame retardant performance.
[ summary of the invention ]
Therefore, the invention aims to provide a colored halogen-free flame-retardant PC antistatic material, so as to obtain a colored PC antistatic material with a certain flame-retardant grade.
In order to achieve the purpose, the color halogen-free flame-retardant PC antistatic material comprises the following components in parts by weight:
wherein the antistatic agent is at least one of ethoxylated alkylamine, ethoxylated lauramide, glycerate and higher alcohol sulfate.
Optionally, the PC resin is at least one of bisphenol a polycarbonate, polyester polycarbonate, silicone copolymer PC, cyclohexane bisphenol a polycarbonate, and polycarbonate synthesized by bisphenol TMC.
Alternatively, the PC resin may have a melt mass flow rate of 3 to 50g/10min at a temperature of 300 ℃ and a load of 1.2 Kg.
Optionally, the colored halogen-free flame-retardant PC antistatic material further comprises polyvinyl alcohol or methoxy polyethylene glycol-methacrylate copolymer.
Optionally, the sulfonate flame retardant is at least one of potassium benzenesulfonyl benzenesulfonate, potassium perfluorobutyl sulfonate, and sodium 2,4, 5-trichlorobenzenesulfonate.
Optionally, the silicone flame retardant is at least one of polysilazane, polymethoxyphenylsilane, hydroxymethylsilane, and cross-linked polydimethylsiloxane.
Optionally, the color halogen-free flame-retardant PC antistatic material further comprises at least one of an anti-dripping agent, an antibacterial agent, an ultraviolet absorbent and a release agent.
In addition, the invention also provides a product which is produced by molding the colored halogen-free flame-retardant PC antistatic material.
Compared with the prior art, the flame retardant compounded by the antistatic agent, the sulfonate flame retardant and the organic silicon flame retardant is added into the colored halogen-free flame-retardant PC antistatic material, so that the colored PC antistatic material which is wide in use temperature range, high in performance and capable of being dyed can be prepared, and the flame retardant performance can reach the UL-940.8mm5VB grade.
[ detailed description ] embodiments
The invention relates to a color halogen-free flame-retardant PC antistatic material, which is expressed by weight parts and comprises the following components:
95-99 parts of PC resin, wherein the PC resin is at least one of bisphenol A polycarbonate, polyester polycarbonate, organosilicon copolymer PC, cyclohexane bisphenol A polycarbonate and polycarbonate synthesized by bisphenol TMC, and the melt mass flow rate of the PC is 3-50g/10min at the temperature of 300 ℃ and the load of 1.2 Kg.
1-5 parts of antistatic agent, wherein the antistatic agent is at least one of ethoxylated alkylamine, ethoxylated lauramide, glycerate and higher alcohol sulfate, and the antistatic agent not only enables PC resin to become an antistatic material, but also enables the PC resin to become a PC antistatic material capable of being dyed with colors. In order to ensure the sustainability of the antistatic effect, the color halogen-free flame-retardant PC antistatic material also comprises polyvinyl alcohol or methoxy polyethylene glycol-methacrylate copolymer, and the compatibility with PC resin is better. In a preferred embodiment, when the addition amount of the ethoxy lauramide is 0.2-0.6 mass part, and the content of the methoxy polyethylene glycol-methacrylate copolymer is 0.5-2 mass parts, the surface resistance of the material can be reduced and maintained at 10^8Ohm-10^10Ohm for a long time.
0.1-1.5 parts of sulfonate flame retardant, wherein the sulfonate flame retardant is at least one of potassium benzenesulfonyl benzene sulfonate (KSS for short), potassium perfluorobutyl sulfonate (PPFBS for short) and 2,4, 5-trichlorobenzene sulfonate (STB for short);
0.1-0.5 part of organic silicon flame retardant, wherein the organic silicon flame retardant is at least one of polyborosilazane, polymethoxyphenyl silane, hydroxymethyl silane and cross-linked polydimethylsiloxane (PDMS for short); in a preferred embodiment, when 0.5 part of potassium benzenesulfonyl benzenesulfonate and 0.2 part of hydroxyphenyl silane flame retardant are added to 100 parts by weight of the colored halogen-free flame-retardant PC antistatic material, the flame-retardant grade can reach UL-940.8mm5VB grade, and the flame-retardant grade is higher.
In order to obtain the functional composite material, on the premise of not influencing the functional effect, the color halogen-free flame-retardant PC antistatic material further comprises at least one of an anti-dripping agent, an antibacterial agent, an ultraviolet absorbent and a release agent.
For further understanding of the objects, effects and technical means of the present invention, the following description is given with reference to the comparative examples and specific examples.
Example 1
Weighing the components in corresponding weight; then, stirring the components by using a single-shaft stirring barrel; and respectively adding the mixture into a double-screw extruder to perform melt extrusion granulation.
Example 2
Weighing the components in corresponding weight; then, stirring the components by using a single-shaft stirring barrel; and respectively adding the mixture into a double-screw extruder to perform melt extrusion granulation.
Comparative example 1
Weighing the components in corresponding weight; then, stirring the components by using a single-shaft stirring barrel; and respectively adding the mixture into a double-screw extruder to perform melt extrusion granulation.
Comparative example 2
Weighing the components in corresponding weight; then, stirring the components by using a single-shaft stirring barrel; and respectively adding the mixture into a double-screw extruder to perform melt extrusion granulation.
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:
table 1: test results of examples and comparative examples
| Test items | Test standard | Example 1 | Comparative example 1 | Example 2 | Comparative example 2 |
| Tensile Strength (MPa) | ISO1183 | 63.5 | 60.8 | 61.5 | 60.4 |
| Elongation at Break (%) | ISO527-1,-2 | 97 | 96 | 92 | 96 |
| Flexural Strength (MPa) | ISO 178 | 92.2 | 92.7 | 93.1 | 91.6 |
| Flexural modulus (MPa) | ISO 178 | 2290 | 2340 | 2250 | 2270 |
| Impact Strength (KJ/m)2) | ISO 180 | 53 | 57 | 57 | 57 |
| Impact Strength (KJ/m)2，-30℃) | ISO 180 | 48 | 52 | 43 | 17 |
| Flame rating (0.8mm) | UL-94 | V-0 | V-0 | 5VB | Class V is not excessive |
| Surface resistivity (Ohm) | IEC60093 | 10^8 | 10^14 | 10^8 | 10^8 |
Wherein, the position of the color of the obtained material in the color space is tested according to the CIE1976LAB color difference formula as follows: the lightness L is 25-98%, the green-A value is-30-40, and the yellow B value is-40-70, so that the material can be prepared into any color, and the appearance is changed.
From the above table it can be seen that: comparing example 1 with comparative example 1, it can be seen that the surface resistivity of the material is greatly reduced and the antistatic property is correspondingly greatly improved after the antistatic agent and the methoxypolyethylene glycol-methacrylate copolymer are added; comparing example 2 with comparative example 2, in comparative example 2, no sulfonate flame retardant and no organosilicon flame retardant are added, the impact strength of the material at low temperature is far lower than that of the material at low temperature in example 2, and the flame retardant performance is V grade, but the flame retardant performance is higher 5VB grade in example 2.
In addition, the invention also provides a product which is produced by molding the colored halogen-free flame-retardant PC antistatic material, and the product can be widely applied to industries with requirements on color and flame retardance.
Claims (5)
1. The color halogen-free flame-retardant PC antistatic material is characterized by comprising the following components in parts by weight:
the antistatic agent is at least one of ethoxylated alkylamine, ethoxylated lauramide, glycerate and higher alcohol sulfate, and the color halogen-free flame-retardant PC antistatic material further comprises 0.5-2 parts by weight of methoxy polyethylene glycol-methacrylate copolymer;
the organic silicon flame retardant is a hydroxyphenyl silane flame retardant.
2. The colored halogen-free flame-retardant PC antistatic material as claimed in claim 1, wherein the PC resin is at least one of bisphenol A polycarbonate, polyester polycarbonate, silicone copolymer PC, cyclohexane bisphenol A polycarbonate, and polycarbonate synthesized by bisphenol TMC.
3. The colored halogen-free flame-retardant PC antistatic material as claimed in claim 1 or 2, wherein the melt mass flow rate of the PC resin is 3-50g/10min at 300 ℃ and 1.2Kg of load.
4. The colored halogen-free flame-retardant PC antistatic material of claim 1, wherein the colored halogen-free flame-retardant PC antistatic material further comprises at least one of an anti-dripping agent, an antibacterial agent, an ultraviolet absorber and a mold release agent.
5. A product, which is produced after the colored halogen-free flame-retardant PC antistatic material is molded according to any one of claims 1 to 4.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711248607.1A CN109867936B (en) | 2017-12-01 | 2017-12-01 | Colored halogen-free flame-retardant PC antistatic material and product thereof |
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| CN201711248607.1A CN109867936B (en) | 2017-12-01 | 2017-12-01 | Colored halogen-free flame-retardant PC antistatic material and product thereof |
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| CN109867936B true CN109867936B (en) | 2021-10-19 |
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| CN113717512A (en) * | 2020-05-22 | 2021-11-30 | 汉达精密电子(昆山)有限公司 | Halogen-free flame-retardant low-temperature impact-resistant material and product thereof |
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| CN101434743B (en) * | 2007-11-14 | 2013-08-14 | 帝人化成株式会社 | Flame retardant polycarbonate resin composition with excellent antistatic property |
| CN101343408A (en) * | 2008-07-29 | 2009-01-14 | 上海赞高光学材料有限公司 | Novel electrostatic resistant transparent polycarbonate material and preparation thereof |
| KR101262309B1 (en) * | 2013-02-19 | 2013-05-08 | 주식회사 엘지화학 | Polycarbonate resin composition with excellent flame retardancy |
| CN104419160A (en) * | 2013-09-04 | 2015-03-18 | 青岛欣展塑胶有限公司 | Permanent antistatic flame-retardant modified PC composite material |
| CN104419182A (en) * | 2013-09-05 | 2015-03-18 | 青岛欣展塑胶有限公司 | Environment-friendly and flame-retardant reinforcing polycarbonate (PC) composite material and preparation method thereof |
| CN104629295A (en) * | 2013-11-06 | 2015-05-20 | 殷培花 | High performance PC / ABS blending alloy and preparation method thereof |
| CN106147191B (en) * | 2016-08-29 | 2018-06-26 | 四川潽鑫科技有限公司 | A kind of high fire-retardance rank Halogen polycarbonate film material and preparation method thereof |
| CN107828202A (en) * | 2017-12-19 | 2018-03-23 | 周鹤 | A kind of antistatic engineering plastic materials |
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