Naịlọn (polyamide, PA) bụ plastik injinia nwere ezigbo igwe na akụrụngwa nhazi, n'ime nke PA6 na PA66 bụ ụdị polyamide nkịtị.

Otú ọ dị, ọ nwere njedebe na nguzogide okpomọkụ dị elu, nkwụsi ike nke agba na-adịghị mma, ọ na-adịkarịkwa na absorption nke mmiri na hydrolysis.

N'iji PA6 dị ka ihe atụ, isiokwu a na-enyocha ka ọ ga-esi meziwanye nguzogide ịka nká. Nnyocha ndị metụtara ya egosila na arụmọrụ nke PA6 nwere ike ime ka ọ dịkwuo mma site n'ịgbakwunye antioxidants kwesịrị ekwesị na ihe mgbakwunye ndị ọzọ. Mgbe nnwale mkpughe UV ogologo oge na nnwale nkwụsi ike ọkụ, njikọta ndị a enyela ezigbo nchekwa maka akụrụngwa akụrụngwa na agba nke nylon:

①Antioxidant 1098 + Antioxidant 626

②Antioxidant 245 + Antioxidant 626

③Antioxidant 1098 + Antioxidant 168

Iji ogologo ndụ ọrụ PA, ọ na-adịkarị mkpa ịgbakwunye ụfọdụ mgbakwunye ndị ọzọ. Dịka ọmụmaatụ, ịgbakwunye HALS iji kwalite nkwụsi ike ọkụ,LS770bụ otu n'ime nhọrọ ndị enwere ike nwere mmetụta pere mpe na akụrụngwa akụrụngwa. Ka ọ dị ugbu a, ụlọ ọrụ anyị na-enye stabilizer multifunctional nylon a na-akpọLS438, nke na-eme ka nhazi nke polyamides dịkwuo mma, na-eme ka okpomọkụ dị ogologo oge na nkwụsi ike foto, ma melite ngwa ngwa agba.

Iji mee ka ịcha ọcha na mkpuchi na-acha odo odo, TiO2, blue ultramarine blue, optical brightening agents, wdg. agbakwunyewokwa na Polyamide. NkeOptical Brightener KSNnke ụlọ ọrụ anyị nyere bụ nhọrọ dị elu na oke okpomọkụ na-eguzogide.

Na mgbakwunye,Carbodiimide anti-hydrolysis ọrụenwere ike ịgbakwunye ya iji welie arụmọrụ mgbochi hydrolysis ya ma gbatịkwuo oge ntinye oxidation ya site na ijikọta ihe mgbakwunye ndị ọzọ.

Aro ndị a dị n'elu anaghị abụ ntụzịaka ọrụaka ọ bụla, yana omume onye ọrụ kwesịrị ikpebi n'ezie arụmọrụ.