-
1. Isisekelo sethiyori Kungabonakala kufomula yesakhiwo ukuthi i-hydrogen (Na+) ku-CMC kulula kakhulu ukuyihlukanisa nesisombululo samanzi (ngokuvamile ikhona ngesimo sikasawoti we-sodium), ngakho-ke i-CMC ikhona ngesimo se-anion kusisombululo samanzi, okungukuthi, ineshaja engemihle futhi i-amphoteric....Funda kabanzi»
-
I-Hydroxyethyl methyl cellulose HEMC ingasetshenziswa njenge-ejenti yokuvikela i-colloid, i-emulsifier kanye ne-dispersant ngenxa yomsebenzi wayo osebenzayo ebusweni kusisombululo samanzi. Isibonelo sokusetshenziswa kwayo simi kanje: Umphumela we-hydroxyethyl methyl cellulose ezimpahleni zesimende. I-Hydroxyethyl methylce...Funda kabanzi»
-
Udaka olulwa nokuqhekeka Udaka olulwa nokuqhekeka (udaka olulwa nokuqhekeka), olwenziwe nge-ejenti yokulwa nokuqhekeka eyenziwe nge-polymer emulsion kanye nokuxubana, usimende nesihlabathi kuxutshwe namanzi ngesilinganiso esithile, lungakwanelisa ukuguquguquka okuthile ngaphandle kokuqhekeka, futhi lusebenzisane negridi. Indwangu isebenza kangcono. Yakha...Funda kabanzi»
-
Uhlelo lokumboza oluhamba emanzini njengensimu ebalulekile yesicelo embonini ye-cellulose ether, kube nokuntuleka kwe-cellulose ether yasekhaya enhle kakhulu ukuhlangabezana nesidingo esikhulayo semakethe, njengoba ubhubhane kanye nezinguquko esimweni samazwe ngamazwe, uchungechunge lokuhlinzekwa kwe-cellulose ether nalo luye lwaba lukhulu kakhulu ...Funda kabanzi»
-
Indima yempuphu ye-latex ephinde ihlakazeke ku-mortar Njengamanje, njengoba imikhiqizo ehlukahlukene ekhethekile ye-mortar yempuphu eyomile yamukelwa kancane kancane futhi isetshenziswa kabanzi, abantu embonini banaka i-latex powder ephinde ihlakazeke njengenye yezithasiselo eziyinhloko ze-mortar ekhethekile yempuphu eyomile, ngakho-ke izici ezahlukahlukene ...Funda kabanzi»
-
Indlela yokujiya kwe-hydroxyethyl cellulose iwukwandisa i-viscosity ngokwakhiwa kwezibopho ze-hydrogen eziphakathi kwama-molecule kanye nezangaphakathi kwama-molecule, kanye nokumanzisa kanye nokubanjwa kweketanga lamaketanga ama-molecule. Ngakho-ke, indlela yokujiya ye-hydroxyethyl cellulose ingahlukaniswa...Funda kabanzi»
-
Ukuhlaziywa kwezimbangela zokuqhekeka kokuplasta ungqimba lwe-gypsum 1. Ukuhlaziywa kwesizathu sokuplasta izinto zokusetshenziswa ze-gypsum a) Iplasta yokwakha engafaneleki I-gypsum yokwakha iqukethe okuqukethwe okuphezulu kwe-gypsum e-dihydrate, okuholela ekuhlanganisweni okusheshayo kwe-gypsum yokuplasta. Ukuze kwenziwe i-gypsum yokuplasta ibe nochwepheshe...Funda kabanzi»
-
I-HPMC hydroxypropyl methylcellulose isibe ngesinye sezithako ezinkulu kakhulu zemithi ekhaya nakwamanye amazwe, ngoba i-HPMC inezinzuzo ezinye izinto ezingenazo. 1. Ukuncibilika kwamanzi Iyancibilika emanzini abandayo angaphansi kuka-40 ℃ noma u-70% we-ethanol, futhi ayincibiliki emanzini ashisayo angaphezu...Funda kabanzi»
-
1. Iyini ukusetshenziswa okuyinhloko kwe-cellulose? I-HPMC isetshenziswa kabanzi ezintweni zokwakha, ezimbozweni, ezinhlayiyeni zokwenziwa, ezitsheni zobumba, kwezokwelapha, ekudleni, ezindwangu, kwezolimo, ezimonyweni, egwayi nakwezinye izimboni. I-HPMC ingahlukaniswa ibe yizinga lezimboni, izinga lokudla kanye nezinga lemithi ngokusho...Funda kabanzi»
-
I-cellulose ether iyi-cellulose yemvelo (ukotini ocwengekile kanye ne-pulp yokhuni, njll.) njengoba izinto zokusetshenziswa, ngemva kokufakelwa kwezinhlobo ezahlukene zezinto ezisuselwe kuzo, iyi-cellulose macromolecule hydroxyl hydrogen yiqembu le-ether elithathelwe indawo ngokwengxenye noma ngokuphelele ngemva kokwakheka kwemikhiqizo, iyi-derivat engezansi...Funda kabanzi»
-
Izinti zemvelo ziyizinto ezinamathelayo ezisetshenziswa kakhulu ekuphileni kwethu. Ngokusho kwemithombo ehlukene, zingahlukaniswa zibe yi-glue yezilwane, i-vegetable glue kanye ne-mineral glue. I-Animal glue ihlanganisa i-skin glue, i-bone glue, i-shellac, i-casein glue, i-albumin glue, i-fish bladder glue, njll.; i-vegetable glue ihlanganisa isitashi, ...Funda kabanzi»
-
Lesi sihloko ngesimo semibuzo nezimpendulo zomfundi mayelana nolwazi oluhlobene ne-hydroxypropyl methyl cellulose ether, ukuze ube nokuqonda okujulile kwe-HPMC ngesikhathi esifushane, ukuze ukhethe kangcono futhi usebenzise lolu hlobo lwemikhiqizo ekukhiqizeni kwangempela. 1, iyini ukusetshenziswa okuyinhloko kwe...Funda kabanzi»