I tenei wa, ko nga waipiro plasticizer tino nui e whakamahia ana ko te 2-propylheptanol (2-PH) me te waipiro isononyl (INA), i te nuinga o te whakamahinga i roto i te hanga o nga reanga o muri mai. Ko nga Esters i whakahiato mai i nga waipiro teitei penei i te 2-PH me te INA ka nui ake te haumaru me te pai ki te taiao.
Ka tauhohe te 2-PH me te phthalic anhydride ki te hanga i te di(2-propylheptyl) phthalate (DPHP). Ko nga hua PVC i whakakikoruatia me te DPHP e whakaatu ana i te whakamaarama hiko pai ake, te parenga huarere, te iti o te wariu, me te iti o nga taonga-a-tinana-matū, na te mea e whakamahia nuitia ana i roto i nga taura, taputapu whare, kiriata waahanga miihini, me nga kirihou papa. I tua atu, ka taea te whakamahi i te 2-PH ki te whakahiato i nga mahi-nui-nui-a-whaanui-a-whaa-whaa-whaa-whaa-whaa-whaa-whaanui-a-whaanui. I te tau 2012, ko te BASF me Sinopec Yangzi Petrochemical i tono tahi he 80,000-ton-ia-tau-2-PH hanga whare, te tipu 2-PH tuatahi o Haina. I te tau 2014, i whakarewahia e Shenhua Baotou Coal Chemical Company he 60,000-ton-ia-tau-2-PH hangahanga, te kaupapa 2-PH tuatahi o Haina. I tenei wa, he maha nga kamupene whai kaupapa waro-ki-olefin e whakamahere ana i nga whakaurunga 2-PH, tae atu ki a Yanchang Petroleum (80,000 tons / tau), China Coal Shaanxi Yulin (60,000 tons / tau), me Inner Mongolia Daxin (72,700 tons / tau).
Ko te INA te nuinga o te waa ki te whakaputa i te diisononyl phthalate (DINP), he mea whakaraerae mo te kaupapa whanui. Ko te International Council of Toy Industries kua kiia ko te DINP ehara i te mea morearea ki nga tamariki, a, ko te tipu haere o te hiahia i roto i nga tau kua pahure ake nei kua piki ake te kai o te INA. Kei te whakamahia nuitia te DINP i roto i nga motuka, nga taura, nga papa, te hanga, me etahi atu waahanga ahumahi. I te Oketopa 2015, he 50:50 mahi tahi i waenga i a Sinopec me BASF i timata te hanga i te tipu INA 180,000-ton-ia-tau i Maoming, Guangdong-ko te whare hanga INA anake i Haina. Kei te tata ki te 300,000 tone te nui o te kai o te kainga, ka waiho he waahi toha. I mua i tenei kaupapa, i whakawhirinaki katoa a Haina ki nga kawemai mo INA, me te 286,000 tons i kawemai i te tau 2016.
Ko te 2-PH me te INA he mea hanga ma te tauhohenga butenes mai i nga awa C4 me nga syngas (H₂ me CO). Ko te tukanga e whakamahi ana i nga whakakorikori matatini konganuku, a ko te whakahiato me te whiriwhiringa o enei whakakorikori ka noho tonu hei kohungahunga matua i roto i te hanga 2-PH me te INA. I nga tau tata nei, he maha nga umanga rangahau Hainamana kua ahu whakamua i roto i te hangarau whakangao INA me te whanaketanga whakakorikori. Hei tauira, i whakamahia e te Whare Wananga o Tsinghua C1 Chemistry Laboratory nga octene whakauru mai i te butene oligomerization hei whangai me te whakakorikori rhodium me te waikura triphenylphosphine hei ligand, ka eke ki te 90% te hua o te isonononal, he turanga pakari mo te pikinga o te ahumahi.
Wā tuku: Hūrae-14-2025