Carboxymethyl Cellulose (CMC) chinhu chakajairika chekuwedzera chikafu, uye sodium yayo munyu (sodium carboxymethyl cellulose) inoshandiswa sepfuti uye paste.Sodium carboxymethyl cellulose solution: mvura inofashaira asi iyo yakawanda haigoni kudarika 0.5% - 0.7% sodium carboxymethyl cellulose solution tora sodium carboxymethyl cellulose 0.5g, wedzera mvura 100ml, kupisa uye kufashaira, kusvikira yapera zvachose.Wedzera mvura shoma kuti utsivise kubuda kwemvura isati yafashaira.(1) Yakazvigadzira yakaonda layer yekunamira ne sodium carboxymethyl cellulose aqueous solution (0.2% -- 0.5%) yakaenzana chiyero mune paste yakavharwa pagirazi ndiro.Kekutanga, 1.85g silica gel uye 5ml sodium carboxymethyl cellulose aqueous solution yakatorwa ndokuiswa mundiro yemukaka.Kune mamwe, 1.11g silica gel uye 3ml sodium carboxymethyl cellulose aqueous solution yakatorwa nguva yega yega.Gaya nenzira imwe chete kusvika pasina bubble, mucus inogona kuita linear.Natural cellulose ndiyo yakanyanya kuparadzirwa uye yakawanda polysaccharide muzvisikwa.Iwo azvino ekugadzirisa maitiro e cellulose anonyanya kutarisa etherification uye esterification.Carboxymethylation ndeimwe yemaitiro etherification.Cellulose mushure me carboxymethylation carboxymethyl cellulose (CMC), mhinduro yayo ine aqueous ine thickening, firimu kuumba, bonding, kuchengetedza mvura, colloidal kudzivirira, emulsification uye kumiswa, inoshandiswa zvakanyanya mu petroleum, chikafu, mishonga, textile uye mapepa indasitiri, ndeimwe yezvakanyanya kukosha. cellulose ether
Sodium carboxymethyl cellulose (CMC) is an anionic cellulose ether, kutaridzika kwechena kana zvishoma yero flocculent faibha upfu kana chena hupfu, isina kunhuwa, isinganakidze, isina chepfu;Soluble mumvura inotonhora kana inopisa, ichigadzira mhinduro yakajeka ine imwe viscosity.Mushonga wacho hauna kwawakarerekera kana kuti alkaline zvishoma, usingagadzirike mu ethanol, ether, isopropyl alcohol, acetone uye mamwe organic solvents, asi soluble mu ethanol kana acetone solution ine 60% mvura.Iyo hygroscopic uye photothermal yakagadzikana, uye viscosity inoderera nekuwedzera kwekushisa.Mushonga wacho wakagadzikana paPH 2 ~ 10, uye PH yakaderera kupfuura 2. Pane yakasimba precipitates, uye viscosity inoderera kana PH inokosha yakakwirira kudarika 10. Kupisa kwemavara kwaiva 227 ℃, kupisa kwe carbonization kwaiva 252 ℃, uye tension yepamusoro ye2% aqueous solution yaive 71mn/n.
Sodium carboxymethyl cellulose (CMC) is an anionic cellulose ether, kutaridzika kwechena kana zvishoma yero flocculent faibha upfu kana chena hupfu, isina kunhuwa, isinganakidze, isina chepfu;Soluble mumvura inotonhora kana inopisa, ichigadzira mhinduro yakajeka ine imwe viscosity.Mushonga wacho hauna kwawakarerekera kana kuti alkaline zvishoma, usingagadzirike mu ethanol, ether, isopropyl alcohol, acetone uye mamwe organic solvents, asi soluble mu ethanol kana acetone solution ine 60% mvura.Iyo hygroscopic uye photothermal yakagadzikana, uye viscosity inoderera nekuwedzera kwekushisa.Mushonga wacho wakagadzikana paPH 2 ~ 10, uye PH yakaderera kupfuura 2. Pane yakasimba precipitates, uye viscosity inoderera kana PH inokosha yakakwirira kudarika 10. Kupisa kwemavara kwaiva 227 ℃, kupisa kwe carbonization kwaiva 252 ℃, uye tension yepamusoro ye2% aqueous solution yaive 71mn/n.
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