1. Kev lag luam txheej: Nws yog siv los ua cov khoom ua kom tuab, cov khoom tawg thiab cov khoom ruaj khov hauv kev lag luam txheej, thiab muaj kev sib raug zoo hauv dej lossis cov kuab tshuaj organic. Ua cov tshuaj tshem tawm xim.
2. Kev lag luam tsim khoom siv av nplaum: Nws yog siv dav ua tus khi hauv kev tsim cov khoom siv av nplaum.
3. Lwm tus: Cov khoom no kuj siv dav hauv tawv, cov khoom ntawv, txiv hmab txiv ntoo thiab zaub khaws cia thiab textile industries, thiab lwm yam.
4. Kev luam ntawv number case: Nws yog siv los ua cov khoom ua kom tuab, cov khoom tawg thiab cov khoom ruaj khov hauv kev lag luam number case, thiab muaj kev sib raug zoo hauv dej lossis cov kuab tshuaj organic.
5. Yas: siv ua tus neeg sawv cev tso tawm, tshuaj ua kom mos, roj nplua nyeem, thiab lwm yam.
6. Polyvinyl chloride: Nws yog siv los ua tus neeg tawg ua cov khoom hauv kev tsim cov polyvinyl chloride, thiab nws yog tus neeg sawv cev tseem ceeb rau kev npaj PVC los ntawm kev ncua polymerization.
7. Kev lag luam kev tsim kho: Ua tus neeg sawv cev khaws dej thiab retarder ntawm cement mortar, nws tuaj yeem ua rau cov mortar twj tau. Hauv plaster, gypsum, putty hmoov lossis lwm yam khoom siv hauv tsev ua tus binder los txhim kho kev nthuav dav thiab ua haujlwm ntev. Nws tuaj yeem siv ua cov vuas nplaum, marble, kho kom zoo nkauj yas, nplaum txhawb nqa, thiab tseem tuaj yeem txo qhov ntau ntawm cov cement. Kev ua tau zoo ntawm hydroxypropyl methylcellulose HPMC tiv thaiv cov slurry los ntawm kev tawg vim qhuav sai dhau tom qab thov, thiab txhim kho lub zog tom qab hardening.
8. Kev lag luam tshuaj: cov ntaub ntawv txheej; cov ntaub ntawv membrane; cov ntaub ntawv polymer tswj tus nqi rau kev npaj tso tawm tas mus li; cov tshuaj stabilizers; cov neeg sawv cev ncua; cov nplaum ntsiav tshuaj; cov neeg sawv cev ua kom viscosity nce
xwm:
1. Tsos: hmoov dawb los yog dawb tawm.
2. Qhov loj ntawm cov khoom me me; tus nqi dhau ntawm 100 mesh yog ntau dua 98.5%; tus nqi dhau ntawm 80 mesh yog 100%. Qhov loj ntawm cov khoom me me ntawm cov lus qhia tshwj xeeb yog 40 ~ 60 mesh.
3. Kub ntawm carbonization: 280-300 ℃
4. Qhov pom tseeb: 0.25-0.70g / cm (feem ntau nyob ib ncig ntawm 0.5g / cm), qhov hnyav tshwj xeeb 1.26-1.31.
5. Kub hloov xim: 190-200 ℃
6. Kev nruj ntawm qhov chaw: 2% cov kua dej yog 42-56dyn / cm.
7. Kev yaj: Yaj tau hauv dej thiab qee cov kuab tshuaj, xws li ethanol/dej, propanol/dej, thiab lwm yam hauv qhov sib piv kom haum. Cov kua dej yog cov khoom siv rau saum npoo. Kev pom tseeb siab, kev ua haujlwm ruaj khov, cov lus qhia sib txawv ntawm cov khoom muaj qhov kub gel sib txawv, kev yaj hloov pauv nrog viscosity, qhov viscosity qis dua, qhov solubility ntau dua, cov lus qhia sib txawv ntawm HPMC muaj qee qhov sib txawv hauv kev ua haujlwm, thiab kev yaj ntawm HPMC hauv dej tsis cuam tshuam los ntawm pH.
8. Nrog rau kev txo qis ntawm cov ntsiab lus methoxyl, qhov taw tes gel nce ntxiv, qhov dej solubility ntawm HPMC txo qis, thiab qhov kev ua haujlwm ntawm qhov chaw kuj txo qis.
9. HPMC kuj muaj cov yam ntxwv ntawm kev ua kom tuab, tiv taus ntsev, hmoov tshauv qis, pH ruaj khov, khaws dej, ruaj khov, zoo heev rau kev tsim zaj duab xis, thiab ntau yam kev tiv taus enzyme, kev sib kis thiab kev sib koom ua ke.
Lub sijhawm tshaj tawm: Tsib Hlis-25-2023