Heat-resisting oxygen aging polypropylene composition with low dispersity and preparation method of heat-resisting oxygen aging polypropylene composition
A polypropylene composition and low-emission technology, which is applied in the field of heat-oxidative aging-resistant polypropylene composition and its preparation, can solve the problems such as the influence of material emission performance and application limitations, and the method is simple and feasible, and improves the heat-oxidative aging resistance performance , easy to produce effects
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[0022] Below in conjunction with embodiment, the present invention is described in further detail:
[0023] In the composite material formulations of Examples and Comparative Examples, the polypropylene is a block copolymer polypropylene with a melt flow rate of 7g / 10min (test condition: 230°C×2.16kg) produced by Shanghai Petrochemical Company, and its trade name is M700R. The inorganic filler is talcum powder with a particle size of 5 microns. The toughening agent POE is a linear ethylene-octene copolymer produced by DuPont, the trade name is Engage8180, the density is 0.863g / cm3, and its melt index is 0.5g / 10min (test conditions: 190°C×2.16kg). The adsorbent is activated alumina produced by Shanghai Hengye. The main antioxidant is DSTP produced by the British ICE company, the trade name is Negonox DSTP, the chemical name is octadecyl thiodipropionate, and 3114 produced by Ciba Company, the trade name is Irganox3114, and the chemical name is 3,5-dipropionate tert-Butyl-4-hy...
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