1. Izinto ezikrwada ze-cellulose ether
I-cellulose ether yokwakhiwa yi-polymer enyibilikayo emanzini engeyiyo i-ionic enemvelaphi:
I-Cellulose (i-pulp yomthi okanye i-cotton linter), ii-halogenated hydrocarbons (i-methane chloride, i-ethyl chloride okanye ezinye ii-long-chain halides), ii-epoxy compounds (i-ethylene oxide, i-propylene oxide, njl.njl.)
I-HPMC-Hydroxypropyl Methyl Cellulose Ether
I-HEC-Hydroxyethyl Cellulose Ether
I-HEMC-Hydroxyethyl Methyl Cellulose Ether
I-EHEC-Ethyl Hydroxyethyl Cellulose Ether
I-MC-methyl cellulose ether
2. Iimpawu ze-cellulose ether
Iimpawu ze-cellulose ethers zixhomekeke kwi:
I-Polymerization degree DP Inani leeyunithi zeglucose—ukuthamba
Izinto ezithatha indawo kunye nomgangatho wazo wokutshintshwa, umgangatho wokulingana kokutshintshwa —- misela intsimi yesicelo
Ubungakanani beParticle—-Ukunyibilika
Unyango lomphezulu (oko kukuthi ukunyibilika okulibazisekileyo)—- ixesha lokuxinana linxulumene nexabiso le-pH lenkqubo
Izinga lokuguqulwa—-Phucula ukumelana nokuwa kunye nokusebenza kakuhle kwe-cellulose ether.
3. Indima ye-cellulose ether - ukugcinwa kwamanzi
I-Cellulose ether yi-polymer chain compound eyenziwe ziiyunithi ze-β-D-glucose. Iqela le-hydroxyl kwi-molecule kunye ne-atom yeoksijini kwi-ether bond zenza i-hydrogen bond kunye ne-molecule yamanzi, efunxa i-molecule yamanzi kumphezulu we-polymer chain ize ibambe ii-molecule. Kwi-chain, iyalibazisa ukufuma kwamanzi kwaye ifunxwe lulwandlalelo olusisiseko.
Iingenelo ezibonelelwa ziimpawu zokugcina amanzi ze-cellulose ethers:
Akukho mfuneko yokumanzisa umaleko osisiseko, inkqubo yokonga
ulwakhiwo oluhle
amandla aneleyo
4. Indima ye-cellulose ether – isiphumo sokuqina
I-Cellulose ether inokunyusa umanyano phakathi kwezinto ze-gypsum-based mortar, nto leyo ebonakala ekwandeni kokuhambelana kwe-mortar.
Iingenelo eziphambili ezibonelelwa kukuqina kwee-ether ze-cellulose zezi:
Nciphisa uthuthu lomhlaba
Yandisa ukunamathela kwisiseko
Nciphisa ukugoba kwesamente
gcina i-mortar ilungelelene
5. Indima ye-cellulose ether – umsebenzi womphezulu
I-cellulose ether inamaqela athanda amanzi (amaqela e-hydroxyl, amabhondi e-ether) kunye namaqela athanda amanzi (amaqela e-methyl, amaqela e-ethyl, iiringi zeglucose) kwaye yi-surfactant.
(Uxinzelelo lomphezulu wamanzi yi-72mN/m, i-surfactant yi-30mN/m, kwaye i-cellulose ether yi-HPC 42, HPMC 50, MC 56, HEC 69, CMC 71mN/m)
Iingenelo eziphambili ezibonelelwa ngumsebenzi womphezulu wee-cellulose ethers zezi:
Isiphumo sokungenisa umoya (ukukrwela okuthambileyo, uxinano oluphantsi lomanzi, imodulus ephantsi ye-elastic, ukumelana nokuqandisa)
Ukumanzisa (kwandisa ukunamathela kwi-substrate)
6. Iimfuno ze-gypsum yokuplasta elula kwi-cellulose ether
(1). Ukugcinwa kakuhle kwamanzi
(2). Ukusebenza kakuhle, akukho kugaywa
(3). Ukukrwela ngeqela kuthambile
(4). Ukuchasana okunamandla nokuwohloka
(5). Ubushushu bejeli bungaphezulu kwama-75°C
(6). Izinga lokuchithwa ngokukhawuleza
(7). Kungcono ukuba nokukwazi ukufaka umoya kunye nokuzinzisa amaqamza omoya kwi-mortar.
11. Indlela yokumisela umthamo we-cellulose ether
Kwiplasta zokuplasta, kuyimfuneko ukugcina amanzi aneleyo kwi-mortar ixesha elide ukuze isebenze kakuhle kwaye kuthintelwe ukuqhekeka komphezulu. Kwangaxeshanye, i-cellulose ether igcina amanzi aneleyo ixesha elide ukuze i-mortar ibe nenkqubo yokuxinana eqinileyo.
Ubungakanani be-cellulose ether buxhomekeke kwi:
Ukuqina kwe-cellulose ether
Inkqubo yemveliso ye-cellulose ether
Umxholo Ongenamda kunye noSasazo lwe-Cellulose Ether
Ukusasazwa koBukhulu beeParticles zeCellulose Ether
Iintlobo kunye nokwakheka kodaka olusekwe kwi-gypsum
Umthamo wokufunxa amanzi womaleko osisiseko
Ukusetyenziswa Kwamanzi Ukusasazwa Okuqhelekileyo Kwesitrovu Esisekwe KwiGypsum
Ixesha lokuseta i-motar esekelwe kwi-gypsum
Ubukhulu bolwakhiwo kunye nokusebenza kolwakhiwo
Iimeko zokwakha (ezifana nobushushu, isantya somoya, njl.njl.)
Indlela yokwakha (ukukrwela ngesandla, ukutshiza ngoomatshini)
Ixesha lokuthumela: Jan-18-2023