Polypropylene bụ resin thermoplastic ma so na klas nke ogige polyolefin, nke enwere ike nweta site na mmeghachi omume polymerization.Dabere na usoro ihe omimi na ụzọ polymerization, polypropylene nwere ike kewaa n'ụdị atọ: homopolymer, random copolymer, na ngọngọ copo...
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