Weather-resistant flame-retardant polypropylene composite material and preparation method thereof
A flame retardant polypropylene and composite material technology, applied in the field of weather-resistant flame-retardant polypropylene composite material and its preparation, can solve the problems of weather-resistant and flame-retardant, large amount of flame retardant, failure, etc., and achieve the change of mechanical properties. Small size, excellent weather resistance, simple processing effect
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[0029] A weather-resistant flame-retardant polypropylene composite material, comprising 93-97wt% of polypropylene, 1-2 wt% of main flame retardant, 0.2-0.5 wt% of synergistic flame retardant, 0.1-0.5 wt% of chain breaking agent, foaming The agent is 0.1-0.5 wt%, the carbon black is 1.5-2.5 wt%, and other auxiliary agents are 0.1-1 wt%; the other auxiliary agents are one or a combination of antioxidants, dispersants, and lubricants.
[0030] In the specific examples and comparative formulations, the polypropylene used Yanshan Petrochemical Company product, model is PP T1701, ethylene content 2 O 3 ), a product of Hunan Tin Mine Shan Xing Xing Antimony Industry Co., Ltd., purity> 98.5%, particle size 2000; Antioxidant 1010 is a product of Ciba, Switzerland.
[0031] The component contents of the weather-resistant flame-retardant polypropylene composite materials of Examples 1-9 and the two comparative examples are shown in Table 1.
[0032] Table 1. Component content table of the form...
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