Polyurethane na ɗaya daga cikin kayan filastik da aka fi amfani da shi a duniya, amma galibi ana yin watsi da shi a rayuwarmu ta yau da kullun. Amma duk da haka ko kana gida, a wurin aiki ko a cikin abin hawanka, yawanci ba ya da nisa, tare da amfani na gama gari tun daga katifa da matattarar kayan daki zuwa kayan gini, kayan mota har ma da tafin takalmi.

Amma kamar yadda yake tare da sauran robobi waɗanda ba a sake sarrafa su ba, yawan amfani da supolyurethaneyana haifar da damuwa game da tasirin muhallinsa. Don ƙarin fahimtar damar da ake samu don dawo da polyurethane don sake yin amfani da shi da kuma maye gurbin sinadarai da aka yi amfani da su a cikin samar da su tare da wasu nau'o'in tsire-tsire, masu bincike daga Ma'aikatar Makamashi ta Amurka (DOE) Argonne National Laboratory, Jami'ar Arewa maso Yamma da Kamfanin Dow Chemical sun haɗu tare don gudanar da aiki. na farko m kima na "Material Flows na Polyurethane a Amurka." An buga binciken kwanan nan a cikin mujallarKimiyyar Muhalli & Fasaha.

"Manufar ita ce fahimtar yadda layi da yadda madauwari ke amfani da polyurethanes a Amurka," in ji mawallafin marubucin Jennifer Dunn, wanda shine mataimakin darektan Cibiyar Ci Gaban Injiniya da Dorewa kuma memba na Shirin a kan Filastik. , Tsarin muhalli da Lafiyar Jama'a a Cibiyar Dorewa da Makamashi a Arewa maso Yamma (ISEN). "Mun kuma so mu ga ko akwai damar haɓaka da'ira da haɓaka abun ciki na tushen halittu na polyurethane."

Matsakaicin tattalin arziki shine wanda ake amfani da albarkatun ƙasa don yin samfura sannan yawanci ana jefar dashi a ƙarshen rayuwarsu. A cikin tattalin arzikin madauwari, waɗannan kayan ana dawo dasu kuma ana sake amfani dasu. Wannan yana iyakance buƙatar fitar da ƙarin albarkatun ƙasa, kamar burbushin mai, tare da rage yawan sharar da ake aika wa wuraren da ake zubar da ƙasa.

Dunn, wanda kuma masanin farfesa ne a fannin kimiyyar sinadarai da injiniyan halittu a Makarantar Injiniya ta McCormick ta Arewa maso yamma, ya ce yayin da masu bincike ke tsammanin samun tsarin layin layi na polyurethanes, “ganin ta hanyar yanayin kwararar kayayyaki, daga farkon kayan zuwa ƙarshe. na rayuwa, madaidaiciyar hanya ce kawai."

A cewar mawallafin marubucin Troy Hawkins, wanda ke jagorantar ƙungiyar Fuels da Products a Cibiyar Nazarin Tsarin Argonne ta Argonne, binciken ya nuna abubuwa da yawa da suka shafi yadda za a iya dawo da polyurethane da sake yin amfani da su.

Amma kamar yadda yake tare da sauran robobi waɗanda ba a sake sarrafa su ba, yawan amfani da supolyurethaneyana haifar da damuwa game da tasirin muhallinsa. Don ƙarin fahimtar damar da ake samu don dawo da polyurethane don sake yin amfani da shi da kuma maye gurbin sinadarai da aka yi amfani da su a cikin samar da su tare da wasu nau'o'in tsire-tsire, masu bincike daga Ma'aikatar Makamashi ta Amurka (DOE) Argonne National Laboratory, Jami'ar Arewa maso Yamma da Kamfanin Dow Chemical sun haɗu tare don gudanar da aiki. na farko m kima na "Material Flows na Polyurethane a Amurka." An buga binciken kwanan nan a cikin mujallarKimiyyar Muhalli & Fasaha.

"Manufar ita ce fahimtar yadda layi da yadda madauwari ke amfani da polyurethanes a Amurka," in ji mawallafin marubucin Jennifer Dunn, wanda shine mataimakin darektan Cibiyar Ci Gaban Injiniya da Dorewa kuma memba na Shirin a kan Filastik. , Tsarin muhalli da Lafiyar Jama'a a Cibiyar Dorewa da Makamashi a Arewa maso Yamma (ISEN). "Mun kuma so mu ga ko akwai damar haɓaka da'ira da haɓaka abun ciki na tushen halittu na polyurethane."

Matsakaicin tattalin arziki shine wanda ake amfani da albarkatun ƙasa don yin samfura sannan yawanci ana jefar dashi a ƙarshen rayuwarsu. A cikin tattalin arzikin madauwari, waɗannan kayan ana dawo dasu kuma ana sake amfani dasu. Wannan yana iyakance buƙatar fitar da ƙarin albarkatun ƙasa, kamar burbushin mai, tare da rage yawan sharar da ake aika wa wuraren da ake zubar da ƙasa.

Dunn, wanda kuma masanin farfesa ne a fannin kimiyyar sinadarai da injiniyan halittu a Makarantar Injiniya ta McCormick ta Arewa maso yamma, ya ce yayin da masu bincike ke tsammanin samun tsarin layin layi na polyurethanes, “ganin ta hanyar yanayin kwararar kayayyaki, daga farkon kayan zuwa ƙarshe. na rayuwa, madaidaiciyar hanya ce kawai."

A cewar mawallafin marubucin Troy Hawkins, wanda ke jagorantar ƙungiyar Fuels da Products a Cibiyar Nazarin Tsarin Argonne ta Argonne, binciken ya nuna abubuwa da yawa da suka shafi yadda za a iya dawo da polyurethane da sake yin amfani da su.