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Ama-polyols yizakhi ezibalulekile ekwenziweni kwama-polyurethane fooms, ukumboza, ukunamathela, nokuningi. Izinhlobo ezimbili ezivamile ze-polyols ezisetshenzisiwe kulezi zicelo zingama-polythear polyols nama-polyester polyols. Kulokhu okuthunyelwe, sizokwelulela umehluko phakathi kwama-polythert polyols kanye nama-polyester polyols, aqokomisa izakhiwo zawo ezihlukile nezinhlelo zokusebenza embonini yamakhemikhali.
Ama-polytheate polyols: eziguquguqukayo futhi eziguquguqukayo
Ama-polytheate polyols asuselwa kwi-polymerization ye-ethylene oxide noma i-propelene oxide nomuntu ongasebenzi. Lama-polyols ayaziwa ngokuguquguquka kwawo okuhle kakhulu, ukubonakala okuphansi, nokuqina okuhle kwe-hydrolytic. Ama-polytheate ama-polyols asetshenziswa kabanzi ekukhiqizweni kwamagwebu aguqukayo, ama-elastomers, kanye nokunamathela ngenxa yokuqina kwawo okuphakeme nokuqina.
Ama-polyester polyols: ahlala isikhathi eside futhi amelana nawo
Ama-polyester polyols ahlanganiswe ngokuphendula kwama-diacid noma ama-anhydrides anama-diols. Lawa ma-polyols akhombisa amandla aphezulu ashubile, ukumelana kwamakhemikhali, nokuqina okushisayo. Ama-polyester polyols ajwayele ukuqashwa ekwenziweni kwamagwebu aqinile, ukumboza kanye nama-sealants, lapho ukuqina kanye nokumelana nezimo ezinokhahlo kubalulekile.
EDotachem, sinikeza uhla oluningi lwekhwalithi ephezuluAma-polyather polyolsUkuhlangabezana nezidingo ezahlukahlukene zamakhasimende ethu. Imikhiqizo yethu ye-polylol yakhiwa ngokucophelela ukuqinisekisa ukusebenza kahle kanye nokwethenjwa ezinhlelweni ezahlukahlukene, ukuhlinzeka ngezisombululo zezimboni ezisukela ekwakhiweni kwezimoto.
Ama-polytheate polyols kanye nama-polyster polyols ngamunye anezakhiwo ezihlukile ezizenza zilungele izicelo ezihlukile embonini yamakhemikhali. Ngokuqonda umehluko phakathi kwalezi zinhlobo ezimbili zama-polyols, abakhiqizi bangakhetha i-polyol efanelekile kakhulu ngezidingo zabo ezithile, beqinisekisa impumelelo yemikhiqizo yabo nezinqubo.
Ngeminye imininingwane mayelana nemikhiqizo ye-pollol kaDotachem, sicela uvakashele eyethuIwebhusayithiNoma xhumana nathi ngqo.
