Phunzirani Pa Kusintha Kwa Madzi a Polyurethane Leather Finishing

Kufotokozera Kwachidule:

Popanga zikopa, kutsirizitsa ndi njira yofunika kwambiri, yomwe imakhala ndi zotsatira zofunikira kwambiri pakugwiritsa ntchito chikopa.Ndi chitukuko cha zachuma komanso kupititsa patsogolo moyo wa anthu, anthu ali ndi zofunikira zapamwamba komanso zapamwamba zazitsulo zomaliza zikopa, ndipo m'zaka zaposachedwa, pang'onopang'ono ayandikira pafupi ndi mtundu wokonda chilengedwe.Makina omaliza a chikopa cha polyurethane amatha kupewa kuipitsidwa ndi kawopsedwe ka omaliza achikhalidwe, ndipo amakhala ndi mawonekedwe osungira mosavuta, mayendedwe komanso osayaka.Ili ndi magwiridwe antchito abwino kwambiri, komabe ili ndi zofooka zina pakukana kuvala komanso kukana madzi.Pamafunika antchito oyenerera kuti afufuze mwachangu ndikusintha zida zomalizirira zikopa za polyurethane.

Titumizireni imelo

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Kusinthidwa Kwa Waterborne Polyurethane Leather Finishing Agent

Sankhani dongo la 10g la attapulgite, onjezerani 100ml wa hydrochloric acid ndi ndende ya 1mol / L kudongo, sakanizani ziwirizo, yambitsani kwa maola 24, kenako muziziziritsa.Kenako, filtrate imatsukidwa ndi madzi osungunuka kuti kusefera kusakhalenso ndi ayoni a chloride.Filtrate imawuma mu uvuni ndi kutentha kwa 100 ° C. mutatha kuyembekezera maola 24, imadulidwa kukhala ufa.Choncho, asidi ankachitira attapulgite amapezeka.

Kusintha Kwa Madzi a Polyurethane Resin Lotion Ndi Attapulgite

Konzani asidi ankachitira attapulgite mu kubalalitsidwa ndi misa kachigawo 10%, ntchito maginito amphamvu yogwira ntchito kwa maola awiri, ndiyeno kuchititsa akupanga kubalalitsidwa kwa ola limodzi.Kenako, onjezani odzola amadzimadzi a polyurethane resin mu kubalalitsidwa pansi pamikhalidwe yolimbikitsa, momwe gawo lalikulu la odzola amadzimadzi a polyurethane resin ndi 20%, Zomwe zili ndi asidi wothira attapulgite zimayendetsedwa kuti zikhale pakati pa 0.1% ndi 5% ya polyurethane yamadzi. mafuta odzola, awiriwa amaloledwa kuchitapo pa 70 ℃ kwa maola anayi, ndiyeno mankhwalawa amakhazikika pafupifupi 20% pogwiritsa ntchito evaporator yozungulira.Choncho, kusinthidwa kwa madzi opangidwa ndi polyurethane resin lotion pogwiritsa ntchito dongo la attapulgite kumayambira.Pambuyo pake, filimuyo idapangidwa ndikugwiritsa ntchito mankhwala osinthidwa, ndipo 20g ya mankhwalawa adayikidwa mu nkhungu ya polytetrafluoroethylene kuti akwaniritse kupanga filimu.