Ụdị nke polypropylene.

Mkpụrụ ndụ polypropylene nwere otu methyl, nke enwere ike kewaa ya na polypropylene isotactic, polypropylene atactic na syndiotactic polypropylene dịka nhazi nke otu methyl si dị. Mgbe a na-ahazi ìgwè methyl n'otu akụkụ nke agbụ isi, a na-akpọ ya isotactic polypropylene; ọ bụrụ na a na-ekesa otu methyl na-enweghị usoro n'akụkụ abụọ nke agbụ isi, a na-akpọ ya atactic polypropylene; mgbe a na-ahazi otu methyl n'ụzọ ọzọ n'akụkụ abụọ nke agbụ isi, a na-akpọ ya syndiotactic. polypropylene. N'ozuzu mmepụta nke polypropylene resin, ọdịnaya nke isotactic Ọdịdị (a na-akpọ isotacticity) bụ banyere 95%, na ndị ọzọ bụ atactic ma ọ bụ syndiotactic polypropylene. A na-ekewa resin polypropylene nke emepụtara ugbu a na China dị ka ndenye agbaze na ihe mgbakwunye agbakwunyere.

Atactic polypropylene bụ ihe sitere na mmepụta nke polypropylene isotactic. A na-emepụta polypropylene atactic na mmepụta nke polypropylene isotactic, na-ekewapụkwa polypropylene isotactic site na usoro nkewa.

Atactic polypropylene bụ ihe na-agbanwe nke ukwuu nke nwere thermoplastic nke nwere ezigbo ike ike. Enwere ike ime ya dị ka roba ethylene-propylene.