Polypropylene composition for hot water pipe and its prepn


Application Number  00129469 Application Date  2000.12.29
Publication Number  1361197 Publication Date  2002.07.31
Priority Information    
International
Classification
 C08L23/12;F16L9/12  
Applicant(s) Name  Qilu Petrochemical Co., China Petrochemical Group  
Address    
Inventor(s) Name  Zhang Guiyun;Zhang Lian;Wang Jian  
Patent Agency Code  00000 Patent Agent  
AbstractThe present invention relates to polypropylene composite and its preparation. By using the material includes random polypropylene, antioxidant, assistant and pigment particle, the present invention can prepare polypropylene composite with excellent mechanical property, high temperature creeping property, heat aging property, extrusion processing property and low cost. It is used in producing hot water pipeline and pipe parts. One two-step process of preparing the said composite is also provided to ensure the homogeneous mixing of various components and the excellent property of the product.