Mekhoa ea Nts'etsopele ea Li-HFO tse Sireletsang Tikoloho le Litharollo tse Tsoetseng Pele tsa Catalyst

Ha lipheo tsa boemo ba leholimo ba lefats'e li ntse li phehelloa ka lebelo le potlakileng, indasteri ea polyurethane e ntse e feta liphetohong tse kholo. Phetoho ho tloha ho lintho tsa setso tsa ho foka ho ea ho tse sireletsang tikoloho. Li-HFO tse sireletsang tikoloho(Li-hydrofluoroolefin)e fetohile ntlafatso ea bohlokoa ea theknoloji bakeng sa thepa ea ho thibela ho ruruha, foam ea polyurethane e fafalitsoeng (SPF), foam e thata, ho thibela ho ruruha ha lisebelisoa tsa lapeng le lits'ebetso tsa likoloi. Ka nako e ts'oanang, kholo e tsoelang pele ea tlhoko eali-catalyst tsa HFO tse sebetsang hantle e susumetsa bahlahisi ho amohela ditharollo tsa di-catalyst tse hlwekileng, tse sebetsang hantle le tse tsitsitseng haholoanyane.

1. Hobaneng ha Li-HFO li Fetoha Maemo a Lefatše

1.1 Ho tloha ho CFC ho ea ho HFO: Moloko oa Bone oa Li-Blowing Agents

Phetoho ea lintho tse fokang e latela tsela e hlakileng ea taolo le tikoloho:

Moloko

Mofuta

Tšusumetso ea Ozone

GWP

Boemo

Ea pele CFC Holimo Holimo E thibetsoe ka botlalo
Ea bobeli HCFC Mahareng Holimo Ho fela ha mohato ka potlako
Ea boraro HFC Lefela la ODP Holimo haholo Tlas'a phokotso e tiileng ea lefats'e
Ea bone HFO Lefela Tlase haholo (<1) Indasteri e ka sehloohong

2. Melemo ea Bohlokoa ea Li-HFO tse Sireletsang Tikoloho

✔ GWP e tlase haholo (<1) – phokotso ea 99.9% ha e bapisoa le HFC

Li-HFO tse kangHFO-1234yf, HFO-1233zdleHFO-1234zee senyeha ka potlako sepakapakeng ka bophelo bohle ba eona feelamatsatsi ho isa libeke, e fokotsang haholo tšusumetso ea tlelaemete.

✔ Ha ho na ODP - Ha ho kotsi lera la ozone

✔ Ho thibela mocheso le ho boloka matla hantle

Foam ea HFO e bontša ho tsamaisa mocheso hantle le botsitso bo phahameng, e leng se etsang hore e be e loketseng:

✔ Ho phalla ho hoholo le sebopeho se setle sa sele

Litšobotsi tsa 'mele tsa HFO li hlokali-catalyst tse nang le ts'ebetso e ntlafalitsoeng, haholo-holo bakeng sa ho leka-lekanya ho phahama, phallo le ho fola ha foam.

3. Kamoo Li-HFO li Fetolang Indasteri ea Polyurethane

3.1 Kamohelo e Potlakileng ho pholletsa le Makala a Maholo

Indasteri

Mekhoa ea Kopo ea HFO

Foam ea Spray (SPF) Phetoho ho tloha ho HFC-245fa → HFO-1233zd / HFO LBA
Lihatsetsi / Lihoebetsa Mefuta e meholo (Haier / Hisense / Midea) e se e ntse e lumellana ka botlalo le HFO
Liphanele tsa Sandwich le mapolanka a PIR Phetoho ho ea ho HFO-LBA bakeng sa ts'ebetso e betere ea boleng ba K le mollo
Ho kenya thepa ka har'a PU bakeng sa kaho Li-premix tse thehiloeng ho HFO tse nkang sebaka sa HCFC-141b
Motlakase oa likoloi Kamohelo ea lefats'e ka bophara ea HFO-1234yf

Phetoho ena e potlakileng e baka tlhoko e potlakileng eaLi-catalyst tsa polyurethane tse ntlafalitsoeng ka HFO.

4. Liphephetso tsa Catalyst ho Litsamaiso tsa HFO

Ho fetohela ho di-agent tse fokang tsa HFO ho fetola haholo matla a dikhemikhale a dikarabelo tsa PU:

Hangata diforomo tsa HFO di na le:

Ka hona, bahlahisi ba foam ba tlameha ho sebelisali-catalyst tse khethehileng tsa HFOtse fanang ka:

✔ Tekanyo e matla ea pele-qetellong

Ho lefella ho fokotseha ha qalo ea karabelo ea HFO.

✔ Ho phalla ha metsi ho ntlafetse

Haholo-holo e bohlokoa bakeng sa liphanele tsa PIR, SPF, le mela ea tlhahiso e tsoelang pele.

✔ Ho phekola bokaholimo ka potlako

Ho thibela ho fokotseha le ho putlama ha sele.

✔ Monko o tlase le mosi o fokolang

Ho fihlela melao ea machaba ea tikoloho.

5. Litharollo tse Tsoetseng Pele tsa Catalyst bakeng sa Litsamaiso tsa HFO

Jwalo ka moetsi wa setsebi wa di-catalyst tsa polyurethane, re fana ka pokello e felletseng ya di-catalyst tse etseditsweng ka ho kgetheha bakeng saLi-HFO tse sireletsang tikoloho.

Li-Catalyst tse Khothalelitsoeng tsa HFO

Li-catalyst tsena li sebetsana le liphephetso tse tloaelehileng tsa ho theha HFO, tse kang:

DMAEE

6. Tebello ea Mokhoa oa 'Maraka: Ho Kopanngoa ha HFO + Catalyst ho Tla Laola Lilemo tse Leshome tse Latelang

6.1 Tlhoko ea lefats'e ea HFO e ntse e hola ka >10% selemo le selemo

E susumetsoa ke kaho e bolokang eneji, motlakase oa likoloi, le katoloso ea ketane e batang.

6.2 Mekhoa ea Catalyst e tlameha ho fetoha ka nako e le 'ngoe

Li-HFO li ke ke tsa fihlela ts'ebetso e ntle ka ho fetisisa ntle le li-catalyst tse etselitsoeng k'hemistri ea tsona ka ho khetheha.

6.3 Li-catalyst tse nang le monko o tlase, tse nang le VOC e tlase li tla ba tsa bohlokoa

Melao ea tikoloho (EPA, EU F-Gas, lipheo tsa Chaena tsa khabone e habeli) li potlakisa mokhoa ona.

Liphanele tsa ho kenya mocheso tsa PIR tse thehiloeng ho HFO tse 6.4 li tla hola ka potlako

Haholo-holo ho:

7. Qetello: HFO le Boqapi ba Catalyst li tla hlalosa Bokamoso ba Polyurethane

Phetoho ea lefats'e ho ea hoLi-HFO tse sireletsang tikolohoe emela monyetla oa nalane bakeng sa indasteri ea polyurethane. Ha li-HFC li ntse li felisoa 'me melaoana e ntse e tiea, bahlahisi ba tlameha ho amohela ts'ebetso e phahamengLi-catalyst tsa HFOho fihlella tekano e hlokahalang ea karabelo, bokhoni, le botsitso.

Litharollo tsa rona tsa catalyst—ho kenyeletsoaMXC-B20,MXC-TMA, MXC-10, le tse ling—li entsoe ho thusa bahlahisi ba polyurethane ho fetela hantle mehleng ea HFO, li fana ka:

Ka ho kopanya tse tsoetseng peleLisebelisoa tsa ho butsoela tsa HFOka ntlafatsoli-catalyst tsa polyurethane, indasteri e tla fihlella tshebetso e phahameng le phokotso e nang le moelelo ya khabone—e tshehetsang bokamoso bo tsitsitseng le bo bolokang eneji.


Nako ea poso: Pulungoana-21-2025
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