Super-low-temperature-resistant weather-resistant low-smoke halogen-free flame-retarding PC material and preparation method thereof

A low-temperature and weather-resistant technology, which is applied in the field of ultra-low temperature and weather-resistant low-smoke halogen-free flame retardant PC materials and their preparation, can solve the problems of reduced impact resistance, insufficiently dense stacking, and pulverization, and achieves excellent light and moisture resistance. , The effect of excellent processing fluidity and balanced weather resistance

Inactive Publication Date: 2018-06-01
上海日之升科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This new type of plastic called PPC was developed with better heat and water resistances compared to traditional materials like ABS or other resins made from petrochemistry products. It also had good impact strength even when exposed to very cold temperatures during winter months. Additionally it could keep up well under extreme conditions such as those found on vehicles' charger panels due to its environmental friendliness towards harmful chemical substance levels. Overall this new plastic would have great potential applications in various fields where electrical power supply needs are important.

Problems solved by technology

This patents describes how adding specific chemicals can improve the durability and lifespan of polymeric materials like polycarbons by reducing their tendency towards degradation caused by weather conditions during use over longer periods. Additionally, modifying these materials may reduce their effectiveness under different temperatures without affecting their overall functionality.

Method used

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  • Super-low-temperature-resistant weather-resistant low-smoke halogen-free flame-retarding PC material and preparation method thereof
  • Super-low-temperature-resistant weather-resistant low-smoke halogen-free flame-retarding PC material and preparation method thereof
  • Super-low-temperature-resistant weather-resistant low-smoke halogen-free flame-retarding PC material and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0033] This example provides a super-low-temperature-resistant, weather-resistant, low-smoke, halogen-free, and flame-retardant PC material and its preparation method. The ingredients are prepared according to the following parts by weight: 100 parts of polycarbonate PC; 10 parts of polycarbonate siloxane copolymer; 5 parts of silicone core-shell structure toughening agent; 2 parts of phosphazene flame retardant; 2.5 parts of silicone flame retardant; 0.5 part of sulfonate flame retardant; 1 part of smoke suppressant; 0.5 parts of stabilizer; 1.5 parts of anti-hydrolysis agent; 1 part of flow modifier.

[0034] The above-mentioned raw materials are put into a high mixer and mixed evenly to obtain a premixed material. Then the premixed material is added into a twin-screw extruder, melted and extruded to granulate, the screw temperature of each section of the twin-screw extruder is controlled between 250-270°C, and the screw speed is 500 rpm. The obtained particles were dried a...

Embodiment 2

[0036] This example provides a super-low-temperature-resistant, weather-resistant, low-smoke, halogen-free, and flame-retardant PC material and its preparation method. The ingredients are prepared according to the following parts by weight: 100 parts of polycarbonate PC; 30 parts of polycarbonate siloxane copolymer; 10 parts of silicone core-shell structure toughening agent; 2 parts of phosphazene flame retardant; 7 parts of silicone flame retardant; 1 part of sulfonate flame retardant; 3 parts of smoke suppressant; 1.5 parts of stabilizer; 1 part of anti-hydrolysis agent; 2 parts of flow modifier.

[0037] The above-mentioned raw materials are put into a high mixer and mixed evenly to obtain a premixed material. Then the premixed material is added into a twin-screw extruder, melted and extruded to granulate, the screw temperature of each section of the twin-screw extruder is controlled between 250-270°C, and the screw speed is 500 rpm. The obtained particles were dried at 10...

Embodiment 3

[0039] This example provides a super-low-temperature-resistant, weather-resistant, low-smoke, halogen-free, and flame-retardant PC material and its preparation method. The ingredients are prepared according to the following parts by weight: 100 parts of polycarbonate PC; 30 parts of polycarbonate siloxane copolymer; 10 parts of silicone core-shell structure toughening agent; 7 parts of phosphazene flame retardant; 2 parts of silicone flame retardant; 1 part of sulfonate flame retardant; 3 parts of smoke suppressant; 1 part of stabilizer; 1.5 parts of anti-hydrolysis agent; 2 parts of flow modifier.

[0040] The above-mentioned raw materials are put into a high mixer and mixed evenly to obtain a premixed material. Then the premixed material is added into a twin-screw extruder, melted and extruded to granulate, the screw temperature of each section of the twin-screw extruder is controlled between 250-270°C, and the screw speed is 500 rpm. The obtained particles were dried at 10...

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Abstract

The invention relates to a super-low-temperature-resistant weather-resistant low-smoke halogen-free flame-retarding PC material and a preparation method thereof. The PC material includes, by weight, 100 parts of PC, 10-50 parts of a polycarbonate siloxane copolymer, 5-15 parts of a toughening agent, 5-10 parts of a compound flame retarding agent, 1-5 parts of a smoke inhibitor, 0.5-1 part of an anti-dripping agent, 0.5-1.5 parts of a photostabilizer, 0.5-1.5 parts of an anti-hydrolyzing agent, and 1-2 parts of a flow modifier. The PC material has excellent light-resistance and damp-proofing performance, can reach the highest level (f1) of UL746C in outdoor adaptability, and has excellent anti-impact property at an ultralow temperature of -60 DEG C, can reach UL94 V-0 grade in flame-retarding level and is lower than 60 in smoke density grade. The material can achieve comprehensive balance of processing flowability, high flame-retarding level, mechanical performance, weather resistance and the like, and is an ideal material in the application field of charging piles for electric vehicles.

Description

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Claims

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Application Information

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Owner 上海日之升科技有限公司
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