Amfani da rashin amfani na tawada tushen ruwa

Tawada mai tushen ruwa, yana aiki azaman matsakaicin bugu mai ƙima, ya shahara don ainihin ƙarfinsa a cikin ban da abubuwan kaushi na ƙwayoyin cuta, yana rage yawan fitar da mahalli masu canzawa (VOCs), don haka ba ya haifar da lahani ga masana'antun tawada ko lafiyar masu aiki, a lokaci guda. haɓaka ingancin muhalli gabaɗaya. Wanda aka lakafta shi azaman tawada mai dacewa da muhalli, fa'idodin muhallinsa ya dogara ne akan kasancewa marar lahani ga muhalli, mara guba ga mutane, mara ƙonewa, kuma mai tsaro sosai, yadda ya kamata yana rage yawan guba akan abubuwan da aka buga, daidaita hanyoyin tsabtace kayan bugu, da ragewa. Hadarin gobara da ke da alaƙa da tsayayyen wutar lantarki da abubuwan kaushi mai ƙonewa, wanda ya zama ainihin kayan bugu na “kore” na gaske.

Dangane da halaye na bugu, tawada na tushen ruwa yana nuna ingantaccen kwanciyar hankali, rashin lalacewa ga faranti, sauƙin aiki, araha, mannewa mai ƙarfi bayan bugu, juriya mai ƙarfi, da saurin bushewa (har zuwa mita 200 a cikin minti ɗaya). ), ana amfani da su a cikin gravure, flexographic, da bugu na allo tare da faffadan yuwuwar. Duk da ƙarancin ƙawancen danshi wanda ke buƙatar tsarin bushewa mai zafi da yuwuwar yuwuwar sake dasawa da zafi, an magance waɗannan batutuwan yadda ya kamata ta hanyar ci gaban fasaha.

Haɗin tawada mai tushen ruwa ya ƙunshi emulsions polymer na ruwa, pigments, surfactants, ruwa, da ƙarin ƙari. Daga cikin wadannan, waterborne polymer emulsions, irin su acrylic da ethylbenzene samu, zama pigment dikodi, bayar da mannewa, taurin, sheki, bushewa kudi, abrasion juriya, da ruwa juriya ga tawada, dace da duka wadanda ba sha da kuma absorbent substrates. Pigments sun bambanta daga kwayoyin halitta kamar phthalocyanin blue da lithol ja zuwa na inorganic kamar baƙar fata carbon da titanium dioxide. Surfactants suna taimakawa wajen rage tashin hankali na sama, sauƙaƙe ko da rarraba tawada akan ma'auni, da haɓaka kwanciyar hankali.

Duk da haka, abubuwan da ke haifar da tawada mai tushen ruwa da farko sun shafi ƙananan mannewa, ƙarancin haske, da lokacin bushewa a hankali. Koyaya, tare da sabbin fasahohi kamar ingantaccen kayan masarufi, ingantattun samfuran launi, da dabarun bugu na ci-gaba, waɗannan damuwar sun ragu sosai, suna sa tawada mai tushen ruwa ƙara yin gasa kuma, a lokuta da yawa, ya zarce tawada mai tushen ƙarfi na gargajiya a aikace. Kodayake tawada na tushen ruwa yana haifar da ƙarin tsadar ɗanyen abu, idan aka yi la'akari da abokantakar muhalli da kariyar lafiyar masu amfani, ƙarin kuɗin ana ɗaukarsa azaman saka hannun jari.