Focus on Cellulose ethers

Ukusetyenziswa kwee-viscosities ezahlukeneyo ze-cellulose kwiimveliso

I-industrial grade hydroxypropyl methylcellulose esetyenziselwa udaka (apha ibhekiselele kwiselulosi esulungekileyo, ngaphandle kweemveliso ezilungisiweyo) yahlulahlulwe nge-viscosity, kwaye la mabanga alandelayo asetyenziswa ngokuqhelekileyo (iyunithi yi-viscosity):

I-viscosity ephantsi: 400

Isetyenziselwa ikakhulu udaka lokuzilinganisa;i-viscosity iphantsi, nangona ukugcinwa kwamanzi kubi, kodwa ipropati yokulinganisa ilungile, kwaye ubuninzi bomdaka buphezulu.

I-viscosity ephakathi kunye nephantsi: 20000-40000

Isetyenziswa kakhulu kwi-adhesives ye-tile, i-caulking agents, i-anti-cracking mortars, i-thermal insulation bonding mortars, njl.;ulwakhiwo oluhle, amanzi amancinci, ukuxinana kodaka oluphezulu.

I-viscosity ephakathi: 75000-100000

Isetyenziswa kakhulu kwi-putty;ukugcinwa kakuhle kwamanzi.

I-viscosity ephezulu: 150000-200000

Isetyenziselwa ikakhulu i-polystyrene particle thermal insulation mortar rubber powder kunye ne vitrified microbead thermal insulation mortar;i-viscosity iphezulu, udaka alulula ukuwa, kwaye ukwakhiwa kuphuculwe.

Kwizicelo ezisebenzayo, kufuneka kuqatshelwe ukuba kwiindawo ezinomahluko omkhulu wokushisa phakathi kwehlobo nobusika, kucetyiswa ukuba kusetyenziswe i-viscosity ephantsi kakhulu ebusika, ehambelana nokwakhiwa.Ngaphandle koko, xa iqondo lokushisa liphantsi, i-viscosity ye-cellulose iya kwanda, kwaye ukuvakalelwa kwesandla kuya kuba nzima xa kukhuhla.

Ngokuqhelekileyo, okukhona i-viscosity iphezulu, ngcono ukugcinwa kwamanzi.Ukuqwalasela iindleko, iifektri ezininzi zodaka ezinomileyo zithatha indawo ye-cellulose ye-viscosity ephakathi kunye nephantsi (20000-40000) kunye ne-medium-viscosity cellulose (75000-100000) ukunciphisa inani lokongezwa.Iimveliso zodaka kufuneka zikhethwe kubenzi besiqhelo kwaye zichongwe.

Ubudlelwane phakathi kwe-viscosity kunye nobushushu be-HPMC:

I-viscosity ye-HPMC ihambelana ngokungafaniyo neqondo lokushisa, oko kukuthi, i-viscosity iyanda njengoko ubushushu buyancipha.I-viscosity yemveliso esidla ngokubhekisela kuyo ibhekiselele kwisiphumo sovavanyo lwesisombululo sayo se-aqueous ye-2% kwiqondo lokushisa lama-20 degrees Celsius.


Ixesha lokuposa: Mar-06-2023
Incoko ka-WhatsApp kwi-Intanethi!