Polypropylene composition for chemical pipelines and preparation method thereof

Abstract

The invention discloses a polypropylene composition for chemical pipelines and a preparation method thereof, the composition is endowed with the characteristics, including excellent impact resistance, great chemical corrosion resistance, high heat resistance and heat deflection temperature, good long-term creeping property and extrusion processability and the like, by mixing beta nucleating agentsystem, antioxidant system and gray beta crystal promoting master batch with homopolymerized polypropylene which is generated by gas phase method as basic resin. The composition is mainly applied to manufacturing pipelines and can also be used for producing storage tank and pickling tank and for the transportation and the storage of chemical fluids, and the products thereof are extensively applied to industrial fields, such as electronics, medicines, chemical industry, food, semiconductor, steel, etc.

Description

technical field

[0001] The invention relates to a polypropylene composition, especially a polypropylene composition with excellent impact strength, heat aging resistance, heat resistance and long-term creep strength, excellent corrosion resistance, stress crack resistance, pressure resistance and surface wear resistance Polypropylene composition with good properties, structural uniformity and weldability and its preparation method.

[0002] The composition of the present invention is mainly used in the delivery system of chemical fluid, for the production of pipes and pipe fittings, and can also be used in the manufacture of plates, chemical storage tanks, pickling tank systems, and its products can be widely used in electronics, pharmaceuticals, chemical , food, semiconductor, steel and other industrial fields. Background technique

[0003] Polypropylene has become an important material in industrial applications due to its excellent mechanical properties and chemical corr...

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