Gabatarwa da wakili na boaming don polyurethane m coam da aka yi amfani da shi a filin gini
Tare da karuwar bukatun gine-ginen zamani don ceton makamashi da kariya na muhalli, yanayin rufin da yake yi na kayan gini ya zama mafi mahimmanci. Daga cikin su, polyurethane rigid rawun abu ne mai kyau mai zafi na inji, low therical properties, low therarfin mawuyacin hali da sauran fa'idodi, saboda haka ana amfani dashi a fagen gina rufi.
Wakilin Foaming yana daya daga cikin manyan ƙari a cikin samar da kayan kwalliyar polyurethane. Dangane da tsarin aikinta, ana iya raba shi zuwa rukuni biyu: wakilin kera sunadarai da wakili na foaming na zahiri.
Rarrabuwa na wakilai na Foam
Wani wakili na sunadarai ne wanda zai haifar da gas da kumfa kayan kayan polyurehane a yayin amsawa da isocyanates da polyols. Ruwa shine wakilin wakilin carmebs, wanda yake amsawa tare da bangaren isocyanate don ƙirƙirar gas carbon dioxide gas, don kumfa kayan polyurethane. Wakilin Foaming na jiki wani lokaci ne wanda aka kara a cikin samar da kayan polyurethane mai kyau, wanda boams polyurethane kayan ta hanyar aikin gas. Ayyukan jiki na jiki sune galibi ƙananan ƙwayoyin cuta, kamar hydrofluorocarbons (HFC) ko Alkane (HC).
Ci gaban ci gabawakili wakiliYa fara a ƙarshen shekarun 1950s, kamfanin da ya shafi Kwamfuta da aka yi amfani da Tricloro-Frioromethane (CFC-11) a matsayin aikin kyakkyawan aiki, tun daga nan CFC-11 an sami amfani da shi sosai a fagen Polyurethane Hard coam. Kamar yadda CFC-11 ya tabbatar da lalata cewa kasashen Yammacin Turai sun daina amfani da CFC-11 a karshen 1994, kuma China ma sun haramta amfani da HCFC-111b a 2003 da 2004, bi da bi da su 2003 da 2004, bi da bi da su 2003 da 2004, bi da bi 2004, bi da bi 2004. Yayinda ƙasashe suna ƙaruwa, ƙasashe suna fara haɓaka da amfani da madadin dumamar dumama na duniya (GWP).
HFC nau'in 'yan wasannin CFC-11 da HCFC-141b, amma darajar GWP, amma darajar GWP ta hanyar mahimmin nau'in HFC har yanzu tana da girma, wanda ba zai iya samar da kariya ta muhalli ba. Don haka, a cikin 'yan shekarun nan, ci gaba da bunkasa wakilan haya a bangaren gine-ginen ya nuna wa madadin Low-GWP.
Ribobi da fursunoni na wakilan kumfa
A matsayin wani nau'in rufin kayan, polyurethane rigid kumari yana da fa'idodi da yawa, kamar yadda kyakkyawan yanayin aikin, ƙarfin sauti mai kyau, kyakkyawan yanayin rayuwa da sauransu.
A matsayin muhimmin taimako a cikin shirye-shiryen karfin polyurethane yana da mahimmanci tasiri kan aikin, farashi da kare muhalli na kayan rufewa. Amfanin wakilin mai amfani da kayan kaɗawa suna da sauri mai sauri, sutura mai laushi, ana iya amfani dashi a cikin kewayon zafin jiki da zafi, na iya samun babban farashi, don shirya babban aiki polyurthane coam.
Koyaya, wakilan sunadarai sunadarai na iya samar da gas mai illa, kamar carbon dioxide, carbon monoxide da nitron mokogen oxides, haifar da gurbata zuwa ga muhalli. Amfanin da wakilin na kumfa shine cewa ba ya haifar da gas mai cutarwa, ba shi da ƙarancin tasiri ga mahalli, kuma yana iya samun ƙaramin girman kumfa da mafi kyawun rufewa. Koyaya, wakilan jiki na jiki suna da sauƙin rage yawan firgita ƙididdigar kuma suna buƙatar yawan zafin jiki da zafi don aiwatar da mafi kyau.
A matsayin wani nau'in rufin kayan, polyurethane rigid kumari yana da fa'idodi da yawa, kamar yadda kyakkyawan yanayin aikin, ƙarfin sauti mai kyau, kyakkyawan yanayin rayuwa da sauransu.
A matsayin muhimmin taimako a cikin shiri naPolyurehane Hard Foam, Wakilin Foaming yana da tasiri mai mahimmanci akan aikin, farashi da kuma kariya muhalli na kayan rufewa. Amfanin wakilin mai amfani da kayan kaɗawa suna da sauri mai sauri, sutura mai laushi, ana iya amfani dashi a cikin kewayon zafin jiki da zafi, na iya samun babban farashi, don shirya babban aiki polyurthane coam.
Koyaya, wakilan sunadarai sunadarai na iya samar da gas mai illa, kamar carbon dioxide, carbon monoxide da nitron mokogen oxides, haifar da gurbata zuwa ga muhalli. Amfanin da wakilin na kumfa shine cewa ba ya haifar da gas mai cutarwa, ba shi da ƙarancin tasiri ga mahalli, kuma yana iya samun ƙaramin girman kumfa da mafi kyawun rufewa. Koyaya, wakilan jiki na jiki suna da sauƙin rage yawan firgita ƙididdigar kuma suna buƙatar yawan zafin jiki da zafi don aiwatar da mafi kyau.
Trend ci gaba na gaba
Hukumar Wucin gadi ta kamfanin samar da masana'antu a nan gaba ita ce musamman game da ci gaban madadin musayar GWP. Misali, CO2, HFO, da madadin ruwa, waɗanda suke da ƙananan gwp, ba da odep, da sauran ayyukan muhalli, an yi amfani da su sosai wajen samar da polyurethane m kumfa. Bugu da kari, kamar yadda ake gina fasahar kayan gini ta ci gaba, da wakilin kumfa zai kara inganta aiki mafi kyau, kamar mafi kyawun rufin, ƙima mafi girma, da kuma karancin girman kumfa.
A cikin 'yan shekarun nan, gida da ƙasashen waje masana'antar masana'antu sun kasance suna neman wakilan da ke fa'ida ta jiki, waɗanda ake kira da wakilai na huɗu tare da kyawawan abubuwan da ke haifar da tasirin gas da kuma fa'idodin muhalli.
Lokaci: Jun-21-2024