Uru na ọghọm nke polypropylene plastik na ojiji kwa ụbọchị
Uru na ọghọm nke Polypropylene Plastik n'ọrụ kwa ụbọchị Polypropylene (PP) bụ otu n'ime ụdị plastik a na-ejikarị eme ihe kwa ụbọchị. Giulio Natta na Karl Ziegler chọpụtara ya na 1954, ndị mechara merie ihe nrite Nobel maka nchọpụta ha. Polypropylene nwere ọtụtụ ihe ndị na-eme ka ọ bụrụ ihe a ma ama n'ọtụtụ... Gụkwuo