Gypsum mortar

Hariho imbogamizi mugutezimbere imikorere ya gypsum paste hamwe. Niba imikorere ya gypsum mortar ari ukugera kubisubizo bishimishije kandi byujuje ibisabwa bitandukanye, imiti ivanze, imiti, ibyuzuzo hamwe nibikoresho bitandukanye birakenewe kugirango byuzuzanye kandi byuzuzanye mubuhanga kandi bushyize mu gaciro.

1. Coagulant

Kugenga coagulant bigabanijwe cyane cyane muri retarder na coagulant. Muri gesso yumye ivanze na minisiteri, ibicuruzwa bikoresha gesso yatetse kugirango byose bishoboke gukoresha gutinda kwa coagulise, koresha anhydrous gesso cyangwa igicuruzwa gikoresha gesso 2 yamazi kugirango gikemurwe gikenewe kugirango uteze imbere coagulise.

2. Gusubira inyuma

Mugushyiramo retarder kuri gypsum yumye ivanze nibikoresho byubaka, inzira yo kuvoma igice cya hydrous gypsum irahagarikwa kandi igihe cyo gukomera kikaba kirekire. Imiterere ya hydrata ya gypsumu iratandukanye, harimo icyiciro cya fayili ya gypsumu, ubushyuhe bwibikoresho bya gypsumu, ubwiza bwuduce, gushiraho igihe na pH agaciro byibicuruzwa byarangiye. Buri kintu kigira uruhare runini ku ngaruka zo kudindiza, bityo rero hari itandukaniro rinini mubunini bwa agent idindiza mubihe bitandukanye. Kugeza ubu, gypsum nziza yo mu rugo idasanzwe ni retarder ya metamorphic proteine ​​(protein nyinshi), ifite ibyiza byo kugiciro gito, igihe kirekire cyo kudindiza, gutakaza imbaraga nke, kubaka neza, igihe cyo gufungura nibindi nibindi. Munsi yubwoko bwa stucco gypsum yo gutegura ni muri 0.06% ~ 0.15%.

3. Coagulant

Kwihutisha igihe cyo gukurura no kwongerera umuvuduko ukabije wa slurry ni bumwe muburyo bwumubiri bwo guteza imbere coagulation. Imiti ya coagulants ikoreshwa cyane mubikoresho byubaka ifu ya anhydrous gypsum ni potasiyumu chloride, potasiyumu silikatike, sulfate nizindi aside. Igipimo muri rusange ni 0.2% ~ 0.4%.

4. Umukozi ushinzwe gufata amazi

Gesso yumye ivanze ibikoresho byubaka ntibishobora gusiga kurinda amazi. Kunoza igipimo cyo gufata amazi yibicuruzwa bya gypsum ni ukureba ko amazi ashobora kubaho muri gypsum mugihe kirekire kugirango abone hydrated nziza ningaruka zikomeye. Gutezimbere ubwubatsi bwibikoresho byubaka ifu ya gypsumu, kugabanya no gukumira amacakubiri no kuva amaraso ya gypsum, kunoza imigezi yimanitse kumanikwa, kongera igihe cyo gufungura, gukemura ibibazo byubwubatsi nko guturika ningoma yubusa ntibishobora gutandukana numukozi ugumana amazi. Niba ibikoresho bigumana amazi ari byiza biterwa ahanini no gutatana kwayo, guhubuka vuba, kubumba, guhagarara neza kwubushyuhe no kubyimba, muri byo kubika amazi nicyo kimenyetso cyingenzi.

Cellulose ether igumana amazi

Kugeza ubu, hydroxypropyl methyl selulose niyo ikoreshwa cyane ku isoko, ikurikirwa na methyl selulose, na carboxymethyl selulose. Imiterere yuzuye ya hydroxypropyl methyl selulose iruta methyl selile. Kugumana amazi ya hydroxypropyl methyl selulose ni hejuru cyane ugereranije na carboxymethyl selulose, ariko ingaruka zo kubyimba ningaruka zo guhuza ni mbi kuruta iya carboxymethyl selulose. Muri gypsumu yumye ibikoresho byubaka bivanze, ingano ya hydroxypropyl na methyl selulose iri murwego rwa 0.1% ~ 0.3%, naho selile ya carboxymethyl selile iri murwego rwa 0.5% ~ 1.0%.

Ibikoresho byo kubika amazi

Ubwoko bwa krahike burinda amazi yamazi ahanini akoresha kuri gesso ashyirwa mubana, isura ya moderi stucco gesso, irashobora gusimbuza igice cyangwa selile zose zirinda amazi. Imikorere, yubaka kandi ihamye ya slurry irashobora kunozwa hongewemo ibikoresho bigumana amazi ya krahisi kubikoresho byumye bya gypsumu. Ibicuruzwa bikoreshwa cyane mububiko bwibikoresho byamazi ni ibinyamisogwe byimyumbati, ibinyamisogwe mbere ya gelatinize, ibinyamisogwe bya carboxymethyl, ibinyamisogwe. Ubwoko bwa krahisi burinda ibipimo byamazi kuba muri 0.3% ~ 1% mubisanzwe, niba dosiye ari nini cyane itera ibicuruzwa bya gesso kubyara ibintu byoroheje munsi yibidukikije, bigira ingaruka kumiterere yumushinga.

Ubwoko bwa kole bwamazi agumana amazi

Ibikoresho bimwe byihuta birashobora kandi kugira uruhare runini mukubungabunga amazi. Nka 17-88, 24-88 ifu ya alcool ya polyvinyl, gum gum na guar gum ikoreshwa muguhuza gypsum, gypsum putty, gypsum insulation glue hamwe nibindi bikoresho bya gypsumu byumye bivanze, mubwinshi bwurubanza, birashobora kugabanya ubwinshi bwikibazo. selile yo kubika amazi. Cyane cyane muri gypsum yihuta, irashobora gusimbuza ethers ya selile mubihe bimwe.

(4) Ibikoresho bidasanzwe bigumana amazi

Gukoresha ibindi bikoresho bigumana amazi muri gypsumu yumye ivanze yubaka birashobora kugabanya ubwinshi bwibindi bikoresho bigumana amazi, kugabanya igiciro cyibicuruzwa, no kunoza imikorere nubwubatsi bwa gypsum. Ibikoresho bikoreshwa cyane mu kubika amazi ni bentonite, kaolin, diatomite, ifu ya zeolite, ifu ya perlite, ibumba rya attapulgite, nibindi.

5

Gukoresha ibifata muri gypsumu yumye ivanze nibikoresho byubaka birarenze gusa ibikoresho bigumana amazi na retarder. Gesso yiringaniza minisiteri, ifata gesso, caulking gesso, kubika ubushyuhe gesso glue ntishobora gusiga ibintu bifata.

Ifu ya latxersible powder:

Ifu ya redispersible latex ikoreshwa cyane muri gypsum yo kwipima uburinganire, gypsum insulation glue, gypsum caulking putty nibindi. Cyane cyane muri gypsum yipimisha ubwayo, irashobora gutuma ibishishwa bitagaragara, amazi meza, kugabanya ibice, kwirinda kuva amaraso, kunoza imivurungano nibindi nabyo byagize uruhare runini. Imikoreshereze muri rusange 1,2% ~ 2,5%.

Inzoga za polyvinyl ako kanya:

Kugeza ubu, inzoga za polyvinyl zahise zishonga hamwe na dosiye nyinshi ku isoko ni 24-88, 17-88 ibicuruzwa byubwoko bubiri, bikunze gukoreshwa kuri plaque yometse, gesso, gesso compound ubushyuhe bwo kubika ubushyuhe, plaque stucco nibindi bicuruzwa, dosiye ni muri 0.4% ~ 1,2% muri rusange.

Guar gum, umurima wa gelatin, carboxymethyl selulose, krahisi ether nibindi nibindi bifata hamwe nibikorwa bitandukanye byo guhuza muri gypsumu yumye ivanze nibikoresho byubaka.

6. Thickener

Kubyimba ahanini ni ukunoza imikorere no gutembera kwa gypsum slurry, bisa nkibikoresho bifata amazi, ariko sibyo rwose. Ibicuruzwa bimwe byibyimbye nibyiza muburyo bwo kubaha icyubahiro, ariko kubaha ntabwo ari byiza mumbaraga zifatika, igipimo cyo gufata amazi. Mugihe cyo gukora gypsum yumye ibikoresho byubaka, ingaruka nyamukuru yimvange igomba gutekerezwa byuzuye kugirango ushyire hamwe neza kandi neza. Ibicuruzwa bisanzwe bikoreshwa cyane ni polyacrylamide, icyatsi kibisi, guar gum, carboxymethyl selulose.

7. Umukozi winjiza ikirere

Ibikoresho byinjira mu kirere bizwi kandi nk'ibikoresho byo kubira ifuro, bikoreshwa cyane cyane muri kole ya gypsumu, plaster plaster hamwe nibindi bikoresho bya gypsumu byumye bivanze. Umukozi winjiza ikirere (agent ifuro) ifasha kunoza ubwubatsi, kurwanya ubukana, kurwanya ubukonje, kugabanya kuva amaraso no gutandukanya ibintu, dosiye iri muri 0.01% ~ 0.02%.

8. Umukozi wo gusebanya

Umukozi wa Defoaming akoreshwa kenshi kuri gesso yipima uburinganire, gesso caulking gushiramo, irashobora kuzamura ubucucike bwibintu bifatika, imbaraga, kurwanya amazi, guhuza igitsina, dosiye iri muri 0.02% ~ 0.04% mubisanzwe.

9. Umukozi ugabanya amazi

Kugabanya umukozi wamazi birashobora kunoza gesso slurry fluidity na gesso ikomera imbaraga zumubiri, mubisanzwe kuri gesso yo kuringaniza minisiteri, stucco gesso. Kugeza ubu, imiti igabanya amazi yo mu rugo ni aside polycarboxylic irinda amazi kugabanya amazi, melamine igabanya amazi meza cyane, sisitemu yicyayi ikora neza cyane igabanya amazi agabanya amazi, lignosulfonate igabanya amazi ukurikije amazi ningaruka zingufu. Usibye gukoresha amazi n'imbaraga, birakenewe kwitondera igihe cyagenwe no gutakaza amazi yibikoresho byubaka gypsumu mugihe ukoresheje ibikoresho bigabanya amazi muri gypsumu yumye ivanze.

10. Umukozi utarinda amazi

Inenge nini yibicuruzwa bya gypsumu ni ukutarwanya amazi. Agace gafite ubuhehere bunini bwo mu kirere bufite amazi menshi yo kurwanya amazi ya gypsumu yumye. Mubisanzwe, kurwanya amazi ya gypsum umubiri ukomye byongerwaho hongerwamo hydraulic. Ukurikije amazi atose cyangwa yuzuye, coefficente yoroshye ya gypsumu yumubiri ukomye irashobora kugera kuri 0.7, kugirango ihuze ibisabwa nimbaraga zicuruzwa. Imiti ivanze irashobora kandi gukoreshwa kugirango igabanye gypsumu (ni ukuvuga kongera coefficient yoroshye), kugabanya iyinjizwa rya gypsumu mumazi (ni ukuvuga kugabanya kwinjiza amazi) no kugabanya isuri yumubiri ukomye (ni ukuvuga amazi) kwigunga) inzira irwanya amazi. Gypsum waterproof agent ifite amrate ya ammonium, silikate ya methyl sodium, silicone resin, ibishashara byamata y’ibishashara, ingaruka ni nziza hamwe na silicone emulsion yamashanyarazi.

11. Umukoresha ukora

Gypsumu isanzwe na chimique anhydrous gypsum irashobora gukoreshwa kugirango ikomeze kandi ikomere, kugirango ibe ikwiye kubyara ibikoresho bya gypsumu byumye bivanze. Acide ikora irashobora kwihutisha umuvuduko wambere wa gypsumu ya anhidrous, kugabanya igihe cyo gushiraho no kunoza imbaraga za kare za gypsumu zikomeye. Imikorere ya alkaline ntacyo igira ku gipimo cya hydrata ya gypsumu hakiri kare, ariko biragaragara ko ishobora kongera imbaraga nyuma yumubiri wa gypsumu ukomantaye, kandi irashobora kuba igice cyibikoresho bya sima ya hydraulic muri sima ya gypsumu ikomye, ibyo bikaba byongera imbaraga zo kurwanya amazi yumubiri wa gypsumu. . Ingaruka ya progaramu ya acide-base compound activateur iruta iya acide imwe cyangwa ibikorwa byibanze. Abakora aside barimo potasiyumu alum, sodium sulfate, sulfate ya potasiyumu nibindi. Abakora alkaline barimo kwihuta, sima, climer ya sima, kubara dolomite nibindi.

Thixotropic lubricant

Thixovariable lubricant ikoreshwa muri gypsumu yo kwisuzumisha cyangwa gypsum ya stuccoing, ishobora kugabanya umuvuduko ukabije wa minisiteri ya gypsumu, ikongerera igihe cyo gufungura, ikabuza gutondeka no gutuza ibishishwa, kugirango itume ibona amavuta meza kandi yubake, mugihe ukora gukomera kumiterere yumubiri umwe, ongera imbaraga zubuso.