IiPolyether Polyols: Izixhobo Ezisebenza Kakhulu Kwizicelo Ezahlukeneyo

Iipolyols zePolyether, izinto ezibalulekileyo zokwenza i-polyurethane synthesis, zine-ether bond kwi-main chain kunye namaqela amaninzi e-hydroxyl ekupheleni okanye emacaleni. Zenziwa yi-polyaddition yeziqalisi ezine-ethylene oxide, njl.njl., phantsi kwe-catalysis. Ezi polyols zigqwesile kwizicelo ezifana ne-freezer insulation kunye ne-building insulation, zivelisa iimveliso ezine-thermal conductivity ephantsi kunye nobukhulu obuzinzileyo. Iipolyols zethu ze-polyether ezikumgangatho ophezulu zikunceda wenze izinto ze-polyurethane ezisebenza kakuhle.

Qhagamshelana nathi

IiNdawo eziPhambili zeSicelo

Kwishishini leengubo zokugquma kunye neeglu, ii-resin ze-polyether zixatyiswa kakhulu ngenxa yokuguquguquka kwazo kunye nokumelana namanzi. Zibonelela ngokunamathela okuhle kakhulu, ukumelana nemozulu, kunye nokuguquguquka kwiingubo zokugquma kunye neeglu, nto leyo eyenza ukuba zisetyenziswe kakhulu kumashishini okwakha, eemoto, kunye neenqwelo-moya. Umzekelo, kwiingubo zokugquma zezithuthi, ii-resin ze-polyether zonyusa ukumelana neetship kunye nokumelana neekhemikhali. Kwii-adhesive zokwakha, ziqinisekisa uzinzo lwexesha elide kwiindawo ezifumileyo.

Kwizinto zokutywina, ukumelana kwamanzi neekhemikhali ze-polyether resins kwenza zibe zizinto ezifanelekileyo zokutywina. Zithintela ngempumelelo ukungena kwamanzi kunye neekhemikhali kwaye zisetyenziswa kakhulu ekwakheni ukuthintela amanzi, ukuvalwa kwemibhobho, kunye nokufakwa kwezixhobo ze-elektroniki. Izinto zokutywina ezisekwe kwi-polyether resins nazo zibonisa ukusebenza kakuhle kubushushu obuphantsi, zigcina ukusebenza kakuhle kokutywina kwiindawo ezishushu kakhulu.

Kwii-elastomers, ii-polyether resins zisetyenziselwa ukuvelisa ii-elastomers ze-thermoplastic ezisebenzayo kakhulu (ii-TPE). Ezi zinto zidibanisa ukuthamba kwerabha kunye nokulula kokucubungula iiplastiki kwaye zisetyenziswa kakhulu kwizihlangu, kwiithoyi, kwizixhobo zonyango, nakwizinto zemoto. Ukuguquguquka nokuqina kwee-polyether resins kuzenza zibe lukhetho olufanelekileyo lokwenza ii-elastomers ezisebenzayo kakhulu.

Kwishishini le-elektroniki, ukumelana neekhemikhali ze-polyether resins kunye nokuhambelana kwezinto eziphilayo kuzenza zilungele ukufakwa kwee-elektroniki kunye nezixhobo zokukhusela. Zikhusela izinto ze-elektroniki kumswakama kunye nokugqwala kweekhemikhali ngelixa zibonelela ngokhuseleko olufanelekileyo lombane. Ii-polyether resins zikwasetyenziswa ekwenziweni kwee-photoresists kunye nee-adhesive ze-elektroniki, ukuhlangabezana neemfuno ezichanekileyo zeshishini le-elektroniki.

Kwicandelo lezonyango, ukuhambelana kweeresini ze-polyether kunye nokumelana neekhemikhali kuzenza zibe zilungele ukuvelisa izixhobo zonyango kunye neescaffold zobunjineli bezicubu. Zinokunyamezelwa kakuhle zizicubu zabantu ngelixa zibonelela ngamandla oomatshini afunekayo kunye nokuqina. Iiresini ze-polyether zikwasetyenziselwa ukuvelisa abathwali bokukhupha amayeza, belawula izinga lokukhululwa kwamayeza ukuphucula iziphumo zonyango.

Iinkcukacha

Igama lemveliso		I-Polyether Polyol
I-MF		C₂H₄O
Inkangeleko		Ulwelo oluqinileyo olungenambala
Ubunyulu		99.50%
INOMBOLO YE-CAS		25322-69-4
Ikhowudi ye-HS		2909499090
Hayi i-EINECS		500-038-9
Isicelo		Ukwenziwa kweematrasi, ifoam yesofa, iifriji, iibhodi zokukhusela ubushushu kwizakhiwo, njl.

Iphepha Lolawulo Lomgangatho

Igama lemveliso	I-Polyether Polyol
INTO	UMGANGATHO	ISIPHUMO SOKUVAVANYO
Ixabiso leHydroxyl (mgKOH/g)	GB/T 12008.3-2022	56.2 (PPG-2000)
Ukufuma (%)	GB/T 22313-2008	0.03%
Ukuxinana (25°C, mPa-s)	GB/T 12008.6-2022	450 (PPG-2000)
ixabiso le-pH	GB/T 9724-2007	7.20%
Ukungagcwali (meq/g)	GB/T 12008.8-2022	0.02

Isishwankathelo

Ngokwanda kolwazi ngokusingqongileyo kunye nophuhliso lwetekhnoloji, inkqubo yokuvelisa ii-resin ze-polyether iyaqhubeka nokuphuculwa. Imveliso yanamhlanje yee-resin ze-polyether isebenzisa iinkqubo zekhemistri eluhlaza ukunciphisa impembelelo yokusingqongileyo. Ukongeza, ukuphinda kusetyenziswe kunye nokubola kwee-resin ze-polyether kuyaphuculwa, okwenza ukuba zihambelane neemfuno zophuhliso oluzinzileyo.
Ngamafutshane, ii-polyether resin, njengezinto ezisebenza kakuhle, zidlala indima ebalulekileyo kumashishini amaninzi ngenxa yokuguquguquka kwazo okugqwesileyo, ukumelana neekhemikhali, kunye nokuhambelana kwezinto eziphilayo. Ngokuqhubela phambili kwezobuchwepheshe, amathuba okusetyenziswa kwee-polyether resin aya kuba banzi nangakumbi, enika inkxaso enamandla kuphuhliso lweshishini lanamhlanje kunye ne-biomedicine.