Polyols: Zipangizo Zopangira Zambiri Zogwiritsira Ntchito Mafakitale ndi Ogwiritsa Ntchito
Minda Yaikulu Yogwiritsira Ntchito
Mu makampani opanga mankhwala, ma polyol ndi zinthu zofunika kwambiri popanga zinthu zolemera kwambiri monga ma polyester, ma polyether, ndi ma polyurethane. Mwachitsanzo, ethylene glycol imagwiritsidwa ntchito popanga polyethylene terephthalate (PET), yomwe imagwiritsidwa ntchito kwambiri m'mabotolo apulasitiki ndi ulusi. Polyethylene glycol (PEG) imagwiritsidwa ntchito popanga ma surfactants ndi mafuta osiyanasiyana. Kuphatikiza apo, ma polyol amatha kugwira ntchito ngati zosungunulira kuti asungunule mitundu yosiyanasiyana ya mankhwala achilengedwe, zomwe zimapangitsa kuti magwiridwe antchito azigwira ntchito bwino.
Mu makampani opanga mankhwala, ma polyol amagwiritsidwa ntchito kwambiri ngati zosungunulira, mapulasitiki, ndi zinthu zosungunulira. Mwachitsanzo, propylene glycol ndi glycerol nthawi zambiri amagwiritsidwa ntchito pokonza jakisoni, zakumwa zamkamwa, ndi mafuta odzola kuti mankhwala asungunuke komanso akhale olimba. Kuphatikiza apo, ma polyol angagwiritsidwe ntchito popanga mankhwala otulutsidwa molamulidwa, kuwongolera kuchuluka kwa mankhwala otulutsidwa.
Mu makampani opanga chakudya, ma polyol amagwiritsidwa ntchito ngati zotsekemera, zosakaniza, ndi zosakaniza. Mwachitsanzo, glycerol ndi polyethylene glycol zingagwiritsidwe ntchito popanga makeke, zophikidwa, ndi zakumwa, zomwe zimapangitsa kuti chikhale chokoma komanso chosunga chinyezi. Kuphatikiza apo, ma polyol angagwiritsidwe ntchito kusintha kapangidwe ka chakudya ndi momwe chimakhalira pakamwa, ndikuwonjezera nthawi yake yosungira chakudya.
Mu makampani opanga zodzoladzola ndi chisamaliro cha khungu, ma polyol amagwiritsidwa ntchito kwambiri ngati zinthu zosungunulira ndi zoyeretsera khungu. Mwachitsanzo, propylene glycol ndi glycerol zimatha kuyamwa chinyezi, zomwe zimapangitsa khungu ndi tsitsi kukhala ndi madzi. Kuphatikiza apo, ma polyol angagwiritsidwe ntchito popanga zodzoladzola za dzuwa, ma shampu, ndi zodzoladzola, zomwe zimapangitsa kuti khungu likhale lonyowa komanso lopaka mafuta.
Mu makampani opanga mapulasitiki, ma polyol amagwiritsidwa ntchito ngati mapulasitiki kuti awonjezere kusinthasintha ndi kukonzedwa kwa mapulasitiki. Mwachitsanzo, glycerol ndi polyethylene glycol zingagwiritsidwe ntchito ngati mapulasitiki a polyvinyl chloride (PVC), zomwe zimapangitsa kuti zikhale zosavuta komanso zolimba. Kuphatikiza apo, ma polyol angagwiritsidwe ntchito kupanga mapulasitiki osinthika, kuchepetsa kuwonongeka kwa chilengedwe.
Mu makampani opanga zokutira ndi inki, ma polyol amagwiritsidwa ntchito ngati zosungunulira ndi zosakaniza. Amatha kusungunula mitundu yosiyanasiyana ya utomoni ndi utoto, zomwe zimapangitsa kuti filimu ikhale yabwino. Mwachitsanzo, polyethylene glycol ingagwiritsidwe ntchito popanga zokutira ndi inki zochokera m'madzi, zomwe zimapereka mayankho abwino komanso ochezeka kwa chilengedwe.
Mafotokozedwe
| Dzina la Chinthu | Polyester Polyols | |||||||||
| Maonekedwe | Madzi olimba kapena olimba, opanda mtundu kapena wachikasu wopepuka | |||||||||
| Kulemera kwa Maselo | 500-5000 g/mol | |||||||||
| Malo Owira | >200 | |||||||||
| Chiyero | 98%,99.5% | |||||||||
| Kuchulukana | 1.10-1.15 | |||||||||
| Khodi ya HS | 3907910000 | |||||||||
| Kugwiritsa ntchito | Zophimba za polyurethane, inki; nsapato, zomatira, matayala | |||||||||
Pepala Lowongolera Ubwino
| Dzina la Chinthu | Polyester Polyols | ||||||
| CHINTHU | Muyezo | Zotsatira | |||||
| Chroma (APHA) | ≤30 | 11 | |||||
| Kukhuthala pa 25℃ (mPas) | 1100-1500 | 1296 | |||||
| Kuchuluka kwa Madzi (%) | ≤0.08 | 0.017 | |||||
| Mtengo wa Hydroxyl (mgKOH/g) | 32.5-35.5 | 34.2 | |||||
| Mtengo wa Asidi (meKOH/s) | ≤0.08 | 0.029 | |||||
| Mtengo wa pH | 5.0-7.5 | 6.7 | |||||
| K+(mgkg) | ≤5 | 1.0 | |||||
| Mapeto | Woyenerera | ||||||
Powombetsa mkota
Mwachidule, ma polyol, monga zinthu zofunika kwambiri zopangira mankhwala achilengedwe, amachita gawo lofunika kwambiri m'mafakitale ambiri. Sikuti amangowonjezera magwiridwe antchito ndi mtundu wa zinthu zokha komanso amathandizira chitukuko cha mafakitale amakono. Ndi kupita patsogolo kwaukadaulo kosalekeza, mwayi wogwiritsa ntchito ma polyols udzakhala wokulirapo.