Ndezvipi zvimiro zveCarboxymethyl Cellulose?

Ndezvipi zvimiro zveCarboxymethyl Cellulose?

Mhinduro: CarboxyMethyl Cellalose ine zvinhu zvakasiyana nekuda kwemadhigiri ayo akasiyana ekutsiva. Dhigirii rekutsiva, rinozivikanwawo seyero yekutsvaira, zvinoreva nhamba yepakati yeH mune matatu oh hydroxyl mapoka akatsiviwa ne ch2coona. Kana iwo matatu maHydroxyl mapoka pane iyo cellulose-based mhete ine 0.4 h muHydroxyl Boka rakatsiviwa neCarboxyMethyl, inogona kunyungudika mumvura. Panguva ino, inonzi 0.4 Substitution degree kana svikiro subthiction degree (Subcitution degree 0,4-1.2).

Zvivakwa zveCarboxymethyl Cellulose:

. Iyo ine kupararira kwakanaka uye inosunga simba.

. Iyo ine zvakare kugona kwekuyera kwemafuta neWax, uye i emulsififier yakasimba.

. Nekudaro, kunze kwekutungamira acetate, inogona kuramba ichinyorwazve mune sodium hydroxide solution, uye iyo liticitates yakadai seBariamu, Iron uye aluminium inochema mu 1% Ammonium Hydroxide Solution.

. Zvinoenderana nekutarisa, apo iyo PH kukosha ndeye 2,5, tarisiro uye kunyorova zvakatanga. Naizvozvo Ph 2.5 inogona kutariswa seyakanyanya kukosha.

(5.

(6) tembiricha ine pesvedzero huru pane visikopa yemhedzisiro yayo mhinduro. Iyo viscoity inoderedza inoenderana kana tembiricha ichisimuka, uye zvinopesana. Kugadzikana kweiyo viscosity yemhinduro yekugadzirisa pamhepo tembiricha inosara, asi viscosity inogona kupedza zvishoma nezvishoma kana ichipiswa pamusoro 80 ° C kwenguva yakareba. Kazhinji, kana tembiricha isingadarika 110 ° C, kunyangwe tembiricha ichichengetwa kwemaawa matatu, uye ikazotonhorera kusvika ku25 ° C, visikoka ichiri kudzoka kunzvimbo yayo yekutanga; Asi kana tembiricha yakadzurwa kusvika ku120 ° C kwemaawa maviri, kunyangwe tembiricha yadzorerwa, iyo viscosity inodonha ne 18.9%. .

. Kazhinji, apo iyo pH yemhinduro yakadzika-viscosity inotsauka kubva kune isina kureruka, iyo viscosity ishoma, nepo mhinduro yevaisikopo, kana iyo PH inotsauka kubva kune isina kureruka, iyo visikoka inotanga kuderera zvishoma nezvishoma; Kana iyo pH yemhinduro yakakwira-viscosity inotsauka kubva kumisangano yematongerwo enyika, yayo viscosity ichaderera. Kuderera kwakapinza.

. Semuenzaniso, inoenderana nemhuka glue, gamu arabic, glycerin uye kunyorova starch. Izvo zvakare zvinoenderana negirazi remvura, polyvinyl doro, Urea-formaldehyde resin, Melamine-formaldehelyde resin, etc., asi kune chidiki degree.

.

. Kune gypsum, shandisa pakati pevisimusi (2% Mhedzisiro mhinduro pa300-600mppa ercosity (1% solution pa2000Mpa 000), unogona kuishandisa mumugodhi unofanirwa kuderedzwa nenzira kwayo.

(11) Mhinduro yayo yemvura inoshanda seyedzinza muGypsum.

. Mushure mekusvibiswa, visikoka ichadonha uye nyoro ichaonekwa. Kuwedzera huwandu hwakakodzera hwehuwandu hwekuchengetedza mukana unogona kuchengetedza viscosity uye kudzivirira nyoro kwenguva yakareba. Zviripo Zvekuchengetedza ndezvekuti: BIL (1,2

Hydroxypropropyl inoshandisa sei methylcellose seyemvura-yekuchengetedza mumiririri weAnhydrite Binder?

Mhinduro: Hydroxyprusyl methylcellose ndeyekubudirira kwemvura-kuchengetedza mumiririri weGypsum cementsious zvinhu. Nekuwedzera kweiyo zvirimo kwehydroxypruppropyl methylcellose. Kuchengeta kwemvura kweGypsum Cemented zvinhu zvinowedzera nekukurumidza. Kana pasina mvura yekuchengeta mumiririri inowedzerwa, iyo mvura yekuchengetwa kwemvura yeGypsum cemented zvinhu ndeye 68%. Kana huwandu hwemvura ichengetwe mumiririri ndeye 0.15%, iyo mvura yekuchengetwa kwemvura yeGypsum yakasvibiswa zvinhu inogona kusvika 90.5%. Uye iyo yekuchengetedza mvura zvinodiwa zvepasi plaster. Iyo Dosage yekuchengetedza mvura inodarika 0.2%, kuwedzera kuwedzera iyo dosi, uye iyo yemvura yekuchengetwa kwemvura yeGypsum Cementrious zvinhu zvinowedzera zvishoma nezvishoma. Kugadzirira kweAnhydrite Clostering Zvinhu. Iyo yakakodzera dosage ye hydroxyprupyl methylcellose is 0,1% -0.15%.

Ndeapi mhedzisiro dzakasiyana dzemari yakasarudzika yeplaster yeParis?

Mhinduro: Ose CarboxyMethyl Cellerose uye methyl Cellerose inogona kushanduka-shuwa yeCarjelose ine methyl Celler MetHyl Cellulose izita rakanakira reGypsum Comentitious zvinhu zvekuchengetwa kwemvura, kusimbisa, kusimbisa, uye kusimbisa, kunze kwekunge marudzi akakura kana dosage yakakura. yakakwirira kupfuura carboxymethyl cellevose. Nechikonzero ichi, vazhinji veGyposum composite zvigadzirwa zvinotora nzira yeCarbolmels Carbolmelose, iyo inosimbisa methyl cellerose, uye kugadzirisa kwavo zviyero (sekuchengetwa kwavo kwemvura (sekuchengetwa kwavo kwemvura uye kwakasimba). Nenzira iyi, zvese zvinopararira mvura yekuita kweiyo Gypsum zvinyorwa uye kuita kwakazara kwekuita kweiyo Gypsum zvinyorwa zvinogona kuvandudzwa, nepo kuwedzera kwemutengo kuchichengetwa panguva yakaderera.