Indasitiri yepolyurethane iri kuchinja zvakanyanya kuenda kune nzira dzinogara kwenguva refu, uye kushandiswa kwemishonga inoputira hydrofluoroolefin (HFO) ndiko kuri pamberi pekuchinja uku. Sisitimu yeHFO tekinoroji yepamusoro inoshandisa mishonga inoputira HFO kugadzira furo repolyurethane rine mashandiro akanaka uye mabhenefiti ezvakatipoteredza. Sezvo mishonga inoputira yechinyakare ine simba guru rekudziya kwepasi rose (GWP) iri kubviswa nekuda kwemitemo yezvakatipoteredza, masisitimu eHFO anopa imwe nzira yekurima ine GWP yavo yakaderera zvakanyanya.
Chii chinonzi HFO?
Mahydrofluoroolefins (HFOs) imhando yemakomichi anoshanda sema "blowing agents" echizvarwa chechina mukugadzira ma "polyurethane foams". Akagadzirwa zvakananga kutsiva zvizvarwa zvekare zvema "blowing agents" akadai se "hydrochlorofluorocarbons" (HCFCs) uye "hydrofluorocarbons" (HFCs), izvo zvinobatsira zvakanyanya mukuderedza ozone uye kupisa kwepasi rose. Ma "blowing agents" eHFO, zvakasiyana, ane simba diki pakudziya kwepasi rose uku achichengetedza "insulation" yakanaka uye hunhu hwechimiro hunodiwa mukushandiswa kwe "furo".
Mabhenefiti eHFO Blowing Agents muPolyurethane Foams
- GWP Yakaderera Zvakanyanya: Mishonga inofefetera yeHFO ine GWP yakaderera zvikuru, zvichideredza zvakanyanya kukanganiswa kwefuro repolyurethane zvakatipoteredza. Inopa imwe nzira inogara kwenguva refu kune maindasitiri ari kutsvaga kuderedza kuburitswa kwecarbon mumhepo yavo.
- Kushanda Nesimba Zvakanaka: Mafuro epolyurethane anogadzirwa nemafuta anoputira eHFO anoratidza hunhu hwakanaka hwekudzivirira kupisa, zvichibatsira mukuchengetedza simba mumabasa akasiyana-siyana, anosanganisira kuvaka, kutonhora, uye mota.
- Kutevedzera Mutemo: Nekubviswa kwezvinhu zvine GWP yakawanda pasi pezvibvumirano zvepasi rose zvakaita seMontreal Protocol neKigali Amendment, kushandiswa kwemishonga inobvisa HFO kunoita kuti pave nekutevedzwa kwemitemo yezvakatipoteredza ukuwo zvichichengetedza mwero wekushanda kwayo.
- Mashandisirwo Anoshanda Zvakasiyana-siyana: Masisitimu eHFO anogona kushandiswa mumhando dzakasiyana dzemafoam, kusanganisira spray polyurethane foam (SPF), mapaneru akaomarara, midziyo yemagetsi, uye mafoam anochinjika. Kushandiswa kwakasiyana-siyana kweHFO blowing agents kunoita kuti akwanise kushandiswa mumaindasitiri akawanda.
Zvishandiso zvePolyurethane zveHFO Systems
Kugadzirwa kwemafuro epolyurethane uchishandisa maHFO blowing agents kunoda macatalyst chaiwo anovimbisa reactivity yakakodzera uye kushanda zvakanaka kwefuro. KuMingxu Chem, tinogadzira macatalyst epolyurethane emhando yepamusoro, anosanganisiraMXC-B20 uyeMXC-70, izvo zvinoenderana zvizere neHFO systems. Izvi zvinokonzeresa kugadzirwa kwefuro, kuvandudza nguva yekupisa, uye kugadzirisa chimiro chefuro kuti chikwanise kushandiswa zvakasiyana-siyana.
Mhedziso
Kuchinja kuenda kuma HFO systems idanho rakakosha rekuderedza kukanganisa kwe polyurethane foams kunharaunda. Nekushandisa HFO blowing agents uye catalysts dzinoenderana dzakadai seMXC-B20 neMXC-70, maindasitiri anogona kuzadzisa zvese zviri zviviri mitemo uye kushanda zvakanaka kwefoam uku achibatsira mukuedza kuchengetedza zvakatipoteredza pasi rose.
Kana muchida, ndapota taurai nesu kuti muwane rumwe ruzivoinfo@mingxuchem.com.
Nguva yekutumira: Kukadzi-06-2025