Muaj kev txwv nyob rau hauv kev txhim kho ntawm kev ua tau zoo ntawm gypsum slurry los ntawm ib tug admixture. Txhawm rau kom ua tiav qhov kev ua tau zoo ntawm Gypsum tshuaj khib thiab ua kom tau raws li cov ntawv thov sib txawv, cov ntaub ntawv admixtures, cov ntaub ntawv admixtures, cov ntaub ntawv zoo nkauj thiab ntau yam ntaub ntawv yuav tsum tau sib xyaw thiab muaj kev paub meej thiab muaj kev paub.
1 co courulant
Coagulation Modifiers feem ntau tau muab faib ua cov neeg rov ua haujlwm thiab cov nrawm. Nyob rau hauv gypsum qhuav-mix cug, cov khoom tsim tawm nrog plaster ntawm paris tag nrho siv lub chaw retarder, thiab siv cov gypsum ncaj qha yuav tsum muaj kev teeb tsa ceev.
2 retarder
Ntxiv Retarder rau Gypsum qhuav-sib xyaw ua ke cov ntaub ntawv hauv tsev inhibits cov txheej txheem hemihydrate thiab ntev lub sijhawm teem caij. Cov neeg siv cov ntsiab lus rau cov hydration ntawm plaster ntawm paris muaj ntau yam, suav nrog cov khoom siv ntawm paris, lub sijhawm ua haujlwm thiab tus nqi ntawm tus nqi ntawm cov khoom tiav. Txhua yam muaj qee yam cuam tshuam rau cov nyhuv retarding, yog li cov tshuaj ntawm retarder nyob rau hauv txawv xwm txheej sib txawv. Tam sim no, qhov tshwj xeeb tshaj plaws retarder rau gypsum nyob rau hauv Suav teb yog qhov zoo dua, uas muaj lub sijhawm ntev, muaj zog me me, muaj zog me me, kev tsim kho zoo thiab lub sijhawm qhib ntev. Nyob rau hauv kev npaj ntawm hauv qab-hom stucco gypsum, cov tshuaj ntau npaum li cas 0.06% mus rau 0.15%.
3 Cuam Tshuam
Ua kom nrawm rau lub sijhawm cuam tshuam ntawm slurry thiab ntev lub stirring ceev ntawm cov slurry yog txhua txoj hauv kev sib cav ntawm lub cev. Tshuaj lom neeg co co keulants feem ntau siv nyob rau hauv kev siv cov khoom siv cov khoom siv hauv tsev muaj xws li cov poov tshuaj ua kom muaj cov poov tshuaj chloride, cov tshuaj potassium silicate, sulfate thiab lwm cov kua qaub. Qhov ntau npaum li cas yog feem ntau 0.2% rau 0.4%.
4 Dej Tuav Sawv Rov Los
Gypsum qhuav-sib xyaw ua ke cov ntaub ntawv hauv tsev yog tsis muaj nyob hauv dej-khaws cov neeg sawv cev. Txhawm rau txhim kho cov dej khaws cia ntawm tus gypsum cov khoom slurry yog kom ntseeg tau tias cov dej yuav muaj nyob rau hauv lub gypsum slurry rau lub sijhawm ntev, yog li kom tau txais cov dej num zoo thiab tawv tawv. Txhim kho cov ua haujlwm ntawm gypsum cov ntaub ntawv tsim tsev, txo thiab tiv thaiv kev tawm tsam, thiab kev daws qhov kev cog lus zoo xws li tawg ntawm cov dej tsis sib xws. Seb cov dej rov qab tus neeg saib xyuas yog qhov zoo tshaj plaws yog nyob ntawm nws qhov dispersility, floening stability thiab thickening, uas yog qhov tseem ceeb tshaj plaws yog dej khaws cia.
① Cellulose Dej-Tuav Tus Neeg Sawv Cev
Tam sim no, cov feem ntau dav siv nyob rau hauv kev ua lag luam yog hydroxyprropy cellulose, ua raws li los ntawm methyl cellulose, thiab tom qab ntawd cov cellulose cellulose. Cov kev ua tau zoo ntawm hydroxypropyl cellulose zoo dua li ntawm cov tshuaj tua pov tseg, tab sis cov nyhuv cellulose, tab sis cov nyhuv tuab heev li ntawm cov carboxymethyl cellulose. Hauv Gypsum qhuav cov ntaub ntawv tsev ua ke qhuav, cov tshuaj ntawm medroxypropyl thiab methyl cellulose feem ntau 0.1% thiab cov tshuaj ntawm carboxymethyl cellulose yog 0.5% rau 1.0%. Nws tau raug pov thawj los ntawm ntau cov ntawv thov cov piv txwv uas cov nyhuv sib xyaw ntawm ob yog zoo dua. Cov.
②starch dej-tuav tus neeg sawv cev
Cov hmoov txhuv nplej siab rau cov neeg sawv cev yog siv rau Gypsum Putty thiab cov khoom sib dhos saum npoo av lossis txhua yam ntawm cov dej cellulose-khaws cia. Ntxiv cov hmoov txhuv nplej siab rau cov neeg sawv cev rau gypsum qhuav cov khoom siv tsev ua tau zoo ua lub zog, kev ua haujlwm thiab sib txawv ntawm cov slurry. Feem ntau siv cov hmoov txhuv nplej siab cov khoom siv suav nrog Tapioca Starch, Carbonymethyl Starch, thiab lwm yam tshuaj pleev cov neeg sawv cev ntawm cov hmoov txhuv nplej siab yog 0.3% rau 1%. Yog tias cov tshuaj ntau heev, cov khoom lag luam gypsum yuav ua kom haum rau qhov chaw zoo ntawm qhov project.
Ogglue Hom Dej-Tuav Tus Neeg Sawv Cev
Qee cov nplaum nplaum tam sim no tseem tuaj yeem ua lub luag haujlwm zoo dua hauv cov dej khaws cia. Piv txwv li, 17-88, 24-88 polyvinyl cawv hmoov, tianqing cov pos hniav ua kom qhuav xws li gypsum, thiab gypsum thermal rwb thaiv tsev. Qhov ntau npaum li cas ntawm cellulose dej-khaws tus neeg sawv cev tuaj yeem txo. Tshwj xeeb tshaj yog nyob rau hauv cov ceev-bonding gypsum, qee kis, nws tuaj yeem hloov lub cellulose ether dej-tuav tus neeg sawv cev.
④inorganic Dej Tuav Khoom Siv
Daim ntawv thov ntawm composite lwm cov ntaub ntawv dej hauv gypsum qhuav cov khoom siv hauv tsev tuaj yeem txo cov khoom lag luam hauv tsev, txo cov khoom lag luam kom zoo dua qub hauv kev txhim kho cov haujlwm ua haujlwm thiab ua haujlwm ntawm gypsum slurry. Feem ntau siv Inorganic dej-khaws cov ntaub ntawv yog bentonite, kaolin, tsev hmoov, hmoov nplej perliteulgite, thiab lwm yam.
5 Cov nplaum
Daim ntawv thov ntawm cov nplaum nplaum hauv Gypsum qhuav cov ntaub ntawv hauv tsev yog thib ob tsuas yog dej-retaining cov neeg sawv cev thiab retarders. Gypsum tus kheej cug, byping gypsum, thiab thermal rwb thaiv tsev gypsum kua nplaum yog txhua qhov tsis muaj txiaj ntsig los ntawm cov nplaum.
Dispersible polymer hmoov:
Redispersible looj cov hmoov sib xyaw nyob rau hauv Gypsum tus kheej rwb thaiv tsev colling thiab kua, thiab nws tseem yuav los ntshav, thiab txhim kho kev tawg. Qhov ntau npaum li cas yog feem ntau 1.2% rau 2.5%.
Lub Ca Instant Polyvinyl:
Tam sim no, feem ntau siv cov kev haus dej kub tam sim no ntawm kev ua lag luam gypsum, gypsum putty, gypsum putty, gypsum putty, gypsum putty, gypsum putty, gypsum puttion, plastering gypsum thiab lwm yam khoom. 0.4% rau 1.2%.
Guar ntawm cov pos hniav, Tian Qing pos hniav, Stickboxymethyl cellulose, etcesives nrog cov ntaub ntawv sib txawv hauv tsev.
6 tuab
Thickening yog feem ntau yog txhim kho kev ua haujlwm thiab sag ntawm gypsum slurry, uas yog zoo ib yam li cov nplaum thiab dej-retaining cov neeg sawv cev, tab sis tsis kiag li. Qee cov khoom tuab tuab yog ua tau zoo rau hauv thickening, tab sis tsis zoo nyob rau hauv cov nqe lus ntawm cohesion thiab dej khaws cia. Thaum npaj gypsum qhuav cov ntaub ntawv tsev, lub luag haujlwm tseem ceeb ntawm Insixtures yuav tsum yog kev txiav txim siab rau hauv kev txiav txim siab kom zoo dua thiab ntau dua li siv tau zoo siab. Cov khoom siv tuab uas yog polyacrylamide, Tian Qing pos hniav, cov pos hniav good, cellulose cellulose, thiab lwm yam.
7 Huab Cua-Entraining Tus Neeg Sawv Cev
Huab Cua-Entraining Tus Neeg Sawv Cev, tseem muaj npe ua npuas ncauj, tsuas yog siv hauv gypsum qhuav-sib xyaw ua ke rwb thaiv tsev rwb thaiv tsev thiab plastering gypsum. Air-Entraining tus neeg sawv cev (ua npuas ncauj) pab txhim kho kev ua haujlwm, tawg tawm, hlav tsis taus, thiab txo qis. Qhov ntau npaum li cas yog feem ntau 0.01% rau 0.02%.
8 defoamers
Defoamers feem ntau siv nyob rau hauv gypsum tus kheej cug thiab gypsum caulking putty, uas tuaj yeem txhim kho lub zog, lub zog, dej tsis kam thiab coheseniveness ntawm slurry. Qhov ntau npaum li cas yog feem ntau 0.02% rau 0.04%.
9 Dej Reducer
Dej txo tus neeg saib xyuas tuaj yeem txhim kho cov kua txiv ntoo ntawm gypsum slurry thiab lub zog ntawm gypsum tus kheej colling cug thiab plastering gypsum. Tam sim no, lub Superplasticizers tau npaj ua raws li fellplastic, Melamine based superplasticizer, thiab lignosulfonate superplasticer. Thaum siv Reducer hauv gypsum qhuav-mixed-mixed cov ntaub ntawv hauv tsev, kev saib xyuas kom poob rau lub sijhawm thiab fluidity ntawm gypsum cov ntaub ntawv hauv tsev nyob rau lub sijhawm.
10 Tshuaj pleev ib ce
Qhov loj tshaj plaws tsis xws luag ntawm gypsum cov khoom yog cov dej tsis zoo, thiab cov tshuaj khib nyiab qhuav hauv cov cheeb tsam nrog cov huab cua siab. Feem ntau, cov dej tsis kam ntawm gypsum hardened lub cev tau txhim kho los ntawm kev ntxiv hydraulic admixture. Nyob rau hauv cov ntaub ntawv ntawm ntub dej los yog cov dej khov, sab nraud ntxiv ntawm lub cev mos hydraulic tuaj yeem ncav cuag ntau tshaj 0.7, yog li kom tau raws li cov kev xav tau ntawm cov khoom muaj zog. Tej yam tshuaj kho mob kuj tseem siv tau los txo cov solubility ntawm gypsum rau lub cev (uas yog, tiv taus cov dej khov kho rau cov dej sib cais). Gypsum waterproof me nyuam suav suav nrog ammonium medateiliconate, silicone resin, thiab silicone emulsion waterproofing cov neeg sawv cev nrog cov teebmeem zoo dua.
11 cov stimulators nquag
Ua kom muaj cov natural thiab tshuaj lom neeg muaj peev xwm ua kom nws nplaum thiab muaj zog, haum rau kev tsim cov gypsum qhuav cov ntaub ntawv hauv tsev. Cov acid activator tuaj yeem nrawm thaum ntxov ntawm kev siv dej, luv luv lub sijhawm teem sijhawm, thiab txhim kho lub zog thaum ntxov ntawm gypsum hardened lub cev. Lub ANKALINE Actionator muaj cov nyhuv me me ntawm lub cev muaj zog ntawm lub cev, thiab muaj peev xwm txhim kho qee lub cev ua kom tawv nqaij tawv, thiab tuaj yeem txhim kho cov dej tsis haum ntawm lub gypsum hardened lub cev. kev sib deev. Cov nyhuv ntawm cov kua qaub-paus complex activator yog qhov zoo dua li ntawm ib qho kua qaub lossis alkaline activator. Acid stimulators muaj cov poov tshuaj alum, sodium sulfate, potassium sulfate muaj xws li QuickLe, cement Dolomer, calcined dolomite, thiab lwm yam.
12 Thixotropic roj nplua nyeem
Lub tshuab roj nyeem thixotropic yog siv rau hauv tus kheej theem gypsum lossis cov plastering gypsum, kom cov slurry tuaj yeem tau txais lubricy zoo thiab ua haujlwm. Lub cev cov qauv muaj zog thaum nce nws lub zog saum
Lub Sijhawm Post: Feb-20-2025