Preparation of Polypropylene-g-α-Methylacrylic Acid by Heterogeneous Graft Copolymerizationi
Year: 1997
Type: article
Abstract: Grafting of α-methylacrylic acid onto the surface of PP powder was performed in water toluene medium. The effect of monomer and initiator(benzoyl peroxide)concentrations, reaction time on graft degree and graft efficiency were investigated by using the orthogonal design method. The grafted PP was characterized by means of PGC and SEM. The result showed that the monomer concentration effected the graft degree and graft efficiency greatly. The highest graft degree was 35.2% and the graft efficiency was 86.4%. The grafted PP was laminated with polar materials, such as aluminium foil and nylon, and showed much stronger adhesion than unmodified PP. The grafted PP also enhanced the interfacial surface affinity between PP and CaCO3 in PP filled composite, and the tensile strength and impact strength of the composite was improved greatly.
Authors: Guohua Chen, Wenli Yan
Institution: Huaqiao University
Language: English
Subfield: Polymers and Plastics
Field: Materials Science
Domain: Physical Sciences
Open Access status: bronze
OpenAlex ID: W4394595660