E nwere ọtụtụ ụzọ esi emeso elu dị ka pretreatmentigwe obibi akwụkwọ plastik, nke enwere ike kewaa n'ozuzu ya n'ụzọ ọgwụgwọ kemịkalụ, ụzọ ọgwụgwọ ire ọkụ, ụzọ ọgwụgwọ mwepụ corona, usoro ọgwụgwọ radieshon ultraviolet, wdg. Usoro ọgwụgwọ kemịkalụ bụ isi iwebata otu polar n'elu ihe nkiri ahụ, ma ọ bụ jiri ihe ndị na-eme kemịkalụ wepụ ihe mgbakwunye dị n'elu ihe nkiri ahụ iji melite ike elu nke ihe nkiri ahụ.

Ụkpụrụ ọrụ nke usoro ọgwụgwọ ọkụ bụ ikwe ka ihe nkiri plastik ahụ gafere ngwa ngwa site na 10-20mm pụọ na ọkụ dị n'ime, ma jiri okpomọkụ nke ọkụ dị n'ime kpalie ikuku iji mepụta radicals free, ions, wdg, ma meghachi omume n'elu ihe nkiri ahụ iji mepụta ihe ọhụrụ dị n'elu ma gbanwee ihe mkpuchi ahụ iji melite nrapado na ink. Ekwesịrị ibipụta ihe nkiri ahụ e tinyere n'ime ya ozugbo enwere ike, ma ọ bụghị ya, a ga-eme ka elu ọhụrụ ahụ dị ngwa ngwa, nke ga-emetụta mmetụta ọgwụgwọ ahụ. Ọgwụgwọ ọkụ siri ike ịchịkwa ma ugbu a, ọgwụgwọ mwepụta corona edochila ya.

Ụkpụrụ ọrụ nke ọgwụgwọ mwepụta nke corona bụ ịgafe ihe nkiri ahụ site na mpaghara voltaji, nke na-emepụta mkpọtụ na-agbagharị ugboro ugboro nke na-amanye ikuku ka ọ bụrụ ionize. Mgbe ionization gasịrị, ion gas na-abanye na ihe nkiri ahụ iji mee ka ọ dịkwuo nkọ.

N'otu oge ahụ, atọm oxygen efu na-ejikọta na molekul oxygen iji mepụta ozone, a na-emepụtakwa otu polar n'elu, nke na-eme ka nrụgide elu nke ihe nkiri plastik dịkwuo elu, nke na-eme ka ink na ihe nrapado rapara n'ahụ dịkwuo mma.