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Kwi-putty, i-samente mortar kunye ne-gypsum-based slurry, i-HPMC hydroxypropyl methylcellulose ether idlala indima yokugcina amanzi kunye nokuqina, kwaye inokuphucula ngempumelelo ukunamathela kunye nokumelana nokuwa kwe-slurry. Izinto ezifana nobushushu bomoya, ubushushu kunye nesantya soxinzelelo lomoya ziya...Funda ngokugqithisileyo»
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I-Hydroxypropyl methyl cellulose (HPMC) luhlobo lwe-non-ionic cellulose ether eyenziwe nge-polymer cotton yendalo ngothotho lweendlela zonyango lweekhemikhali. Kwishishini lokwakha, yintoni eyona nto isetyenziswa kakhulu yi-hydroxypropyl methylcellulose? 1, i-samente mortar: ukuphucula inqanaba lokusasazeka kwesanti yesamente,...Funda ngokugqithisileyo»
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Zihlelwe ngokweendlela ezithatha indawo, ii-cellulose ethers zinokwahlulwa zibe zii-single ethers kunye nee-mixed ethers; zihlelwe ngokwendlela ezinyibilikayo ngayo, ii-cellulose ethers zinokwahlulwa zibe zii-water-soluble kunye nee-water-soluble. Eyona ndlela iphambili yokwahlulahlula i-cellulose ether kukwahlula ngokwe-ion...Funda ngokugqithisileyo»
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1. Umgaqo wolwakhiwo kunye nokulungiselela i-cellulose ether Umfanekiso 1 ubonisa ulwakhiwo oluqhelekileyo lwee-cellulose ethers. Iyunithi nganye ye-bD-anhydroglucose (iyunithi ephindaphindayo ye-cellulose) ithatha indawo yeqela elinye kwiindawo ze-C (2), C (3) kunye ne-C (6), oko kukuthi, kunokubakho amaqela e-ether amathathu. Ngenxa ye ...Funda ngokugqithisileyo»
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Izinto eziphambili ezenza umphezulu we-putty ungangeni manzi ube tyheli Emva kophando lwezinto eziphathekayo, inani elikhulu leemvavanyo kunye nokuziqhelanisa nobunjineli, umbhali ukholelwa ukuba izinto eziphambili ezenza umphezulu we-putty ungangeni manzi zibe tyheli zezi zilandelayo: Isizathu 1. I-calcium...Funda ngokugqithisileyo»
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1. I-Hydroxypropyl methyl cellulose I-Hydroxypropyl methylcellulose luhlobo lwe-cellulose oluphuma kuyo kwaye lusetyenziswa ngokukhawuleza. Luyi-non-ionic cellulose mixed ether eyenziwe ngekotoni ecociweyo emva kokusetyenziswa kwe-alkali, kusetyenziswa i-propylene oxide kunye ne-methyl chloride njenge-ether ye-etherification, ngokusebenzisa...Funda ngokugqithisileyo»
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Eyona propati ibalulekileyo yesisombululo se-cellulose ether yipropati yaso ye-rheological. Iipropati ezikhethekileyo ze-rheological zee-cellulose ethers ezininzi zenza ukuba zisetyenziswe kakhulu kwiindawo ezahlukeneyo, kwaye uphononongo lweepropati ze-rheological luluncedo ekuphuhlisweni kweentsimi ezintsha zesicelo okanye...Funda ngokugqithisileyo»
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Zithini iimpawu ze-carboxymethyl cellulose? Impendulo: I-Carboxymethyl cellulose ikwaneempawu ezahlukeneyo ngenxa yamanqanaba ayo ahlukeneyo okutshintshwa. Iqondo lokutshintshwa, elaziwa ngokuba liqondo lokufakelwa kwe-ether, lithetha inani eliqhelekileyo le-H kumaqela amathathu e-OH hydroxyl rep...Funda ngokugqithisileyo»
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I-Carboxymethyl cellulose： I-Ionic cellulose ether yenziwe ngeefayibha zendalo (ikotoni, njl.njl.) emva konyango lwe-alkali, kusetyenziswa i-sodium monochloroacetate njenge-etherification agent, kwaye ifumana unyango lokuphendula olulandelelanayo. Umgangatho wokutshintshwa ngokubanzi yi-0.4 ~ 1.4, kwaye ukusebenza kwayo kukhulu...Funda ngokugqithisileyo»
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I-Ethyl cellulose (i-Ethyl cellulose ether), eyaziwa ngokuba yi-cellulose ether, ebizwa ngokuba yi-EC. Ukwakheka kweemolekyuli kunye nefomyula yolwakhiwo: [C6H7O2(OC2H5)3] n. 1. Ukusebenzisa Le mveliso inemisebenzi yokubopha, ukuzalisa, ukwenza ifilimu, njl. Isetyenziselwa iiplastiki zokwenziwa ze-resin, ii-coating, i-sub yerabha...Funda ngokugqithisileyo»
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(1) Imiqobo yobuchwephesha Abathengi abasezantsi be-cellulose ether baneemfuno eziphezulu kumgangatho kunye nokuzinza kwe-cellulose ether. Itekhnoloji yokulawula umgangatho ngumqobo obalulekileyo wobugcisa kwishishini le-cellulose ether. Abavelisi kufuneka babe nobuchule bokusebenza kokudibanisa uyilo lwe-co...Funda ngokugqithisileyo»
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Chaza: Iintlobo zokutya eziquka ii-cellulose ethers Intsimi yobugcisa: Le nguqulelo inxulumene neentlobo zokutya eziqulethe ii-cellulose ethers. Indlela yangasemva: Kudala kwaziwa ngokufaka ii-cellulose ethers kwiintlobo zokutya, ingakumbi iintlobo zokutya ezicutshungulwayo, ...Funda ngokugqithisileyo»