Waterproof txheej yog ib hom kua nplaum polymer hluavtaws cov ntaub ntawv uas tsis muaj cov duab ntawm chav tsev kub. Tom qab txheej txheej, txheej txheej tawv tawv tuaj yeem tsim rau ntawm lub hauv paus nto los ntawm cov kuab tshuaj evaporation, dej evaporation lossis tshuaj tiv thaiv kho. Waterproof txheej rau kev tsim kho muaj xws li silicone waterproof txheej, silicone roj hmab waterproof txheej, cement-based penetration crystal waterproof txheej, dej-raws li ib puag ncig tiv thaiv choj waterproof txheej. Cov qauv kev ua tau zoo xws li qhov ntsuas kub tsis tshua muaj kev hloov pauv thiab tsis muaj peev xwm tuaj yeem kuaj tau los ntawm qee txoj kev sim.

1. Saib cov xim pleev xim tsev! Hom 1 waterproof xim rau kev tsim kho.

Silicone waterproof txheej yog cov dej-soluble silicone resin ua cov khoom siv hauv paus, siv cov khoom siv high-tech emulsion ua los ntawm lub tsev waterproof txheej. Silicone waterproof txheej yog cov dej-emulsion waterproof txheej ua los ntawm silicone roj hmab emulsion los yog lwm yam emulsion ua lub hauv paus khoom, nrog dej, riam phom muab tub lim thiab ntau yam auxiliaries. Cov txheej txheem muaj cov yam ntxwv zoo ntawm cov khoom siv dej tsis zoo thiab cov dej tsis zoo, thiab muaj cov dej tsis zoo, permeability, zaj duab xis tsim, elasticity, sealing, elongation thiab kub tsis kam.

2. Silicone roj hmab waterproof txheej silicon

Roj hmab waterproof txheej yog ib hom dej-raws li waterproof txheej nrog silicone roj hmab emulsion thiab lwm yam emulsion complex raws li cov khoom tseem ceeb, ntxiv inorganic muab tub lim, crosslinking tus neeg saib xyuas, catalyst, reinforcing agent, defoamer thiab lwm yam tshuaj additives. Cov khoom muaj kev ua tau zoo ntawm ob qho tib si coated waterproof txheej thiab saturated waterproof txheej, nrog dej tsis kam, permeability, zaj duab xis tsim, elasticity, sealing thiab kub tsis kam. Lub hauv paus deformation adaptability muaj zog, sib sib zog nqus hauv lub hauv paus, thiab lub hauv paus ua ke yog ruaj. Engineering sib tsoo, polishing, txau yog yooj yim, zaj duab xis sib sau ceev yog ceev. Nws tuaj yeem siv rau kev tsim kho ntub dej, tsis muaj tshuaj lom, tsis qab, tsis tuaj yeem tawg, muaj kev nyab xeeb thiab txhim khu kev qha, nrog rau ntau yam xim ntawm cov xim tsis muaj dej tsis zoo, yooj yim los tswj. Silicone roj hmab waterproof txheej yog ib hom dej-emulsion waterproof txheej nrog dej raws li qhov nruab nrab dispersion. Tom qab lub cev qhuav dej thiab hardening, polymer tebchaw nrog lub network qauv tsim. Tom qab qhov saum npoo ntawm txhua txheej txheej yog coated nrog waterproof txheej, particle ntom tsub kom thiab fluidity poob nrog cov infiltration thiab evaporation ntawm dej. Raws li cov txheej txheem ziab txuas ntxiv, cov dej ntau dhau poob thiab cov emulsion hais maj mam sib cuag thiab condense. Nyob rau hauv qhov kev txiav txim ntawm crosslinking thiab catalyst cov tshuaj tiv thaiv tau nqa tawm, thiab thaum kawg cov roj hmab zoo nkauj nthuav dav cov yeeb yaj kiab txuas ntxiv tau tsim.

Nrog rau txoj kev loj hlob ntawm cov organic waterproof coatings, waterproof coatings rau riam phom kuj tsim. Tam sim no, inorganic waterproof txheej tau dhau los ua kev tshawb fawb hotspot. Nws yog ib qho tseem ceeb ntawm kev txhim kho cov ntaub ntawv ib puag ncig hauv lub xyoo pua 21st.

Muaj ob hom waterproofing txheej rau riam phom: coated waterproofing coatings thiab penetrant crystalline waterproofing txheej.

1. Nyob rau hauv cov txheej txheem ntawm engineering daim ntawv thov thiab kev loj hlob, nws yog thawj zaug tawm tswv yim los siv cov cement-based penetrant crystalline waterproof txheej los tiv thaiv lub hauv paus ntawm lub tsev. Tshwj xeeb tshaj yog tsim rau cov dej phwj tuaj kho cov nroj tsuag, cov chaw nyob saum npoo av thiab lwm yam dej num zoo sib xws.

Txij li thaum xyoo 1960, raws li txoj kev ua dej tsis zoo rau lub nraub qaum ntawm cov pob zeb ua vaj tse (txoj kev ua dej tsis zoo sab hauv), cov cement-based penetrant crystalline waterproofing txheej tau maj mam nthuav nws ntau yam thiab nkag mus rau hauv daim ntawv thov tshiab hauv kev tsim kho engineering. Tam sim no, cement-based permeable crystalline waterproof coatings tau siv dav hauv cov qauv hauv av ntawm cov tsev lag luam thiab pej xeem, kev thauj mus los hauv pej xeem, choj paving, cov dej haus, dej phwj tuaj kho, chaw nres tsheb hauv dej, nuclear fais fab nroj tsuag, kev txuag dej thiab lwm yam. teb. Zoo permeability, muaj zog adhesion, steel corrosion kuj, harmless rau tib neeg lub cev, yooj yim tsim.

2. Dej-raws li ib puag ncig kev tiv thaiv choj waterproof txheej yog ib yam tshiab ntawm tus choj waterproof txheej, uas muaj qhov zoo ntawm cov dej solubility zoo, tsis muaj tshuaj lom, tsis muaj kuab paug, muaj zog daim ntawv cog lus, zoo elasticity, dav ntawm qhov kub thiab txias. , tus nqi qis, thiab lwm yam. Cov khoom no yog ua los ntawm cov roj av asphalt zoo li cov khoom siv hauv paus, cov khoom siv roj hmab polymer raws li kev hloov kho thiab dej raws li qhov nruab nrab. Nws yog tsim los ntawm catalyst, cross-linking, emulsification thiab lwm yam thev naus laus zis, uas hloov cov txheej txheem ntau lawm.

3. Cov txiaj ntsig tseem ceeb: Qhov sib piv ntawm cov khoom siv rwb thaiv tsev ar polymer emulsion rau cov cement tuaj yeem hloov kho kom tau raws li qhov yooj yim thiab lub zog xav tau ntawm cov haujlwm sib txawv, thiab txoj kev tsim kho yog yooj yim. Cov txheej txheem dej tsis zoo no siv cov dej ua kom tsis sib haum los daws qhov kev ua qias tuaj ib puag ncig thiab ua rau tib neeg noj qab haus huv ntawm cov kuab tshuaj raws li dej tsis zoo xws li tar thiab asphalt. Yog li ntawd, nyob rau hauv xyoo tas los no, nws tau tsim sai heev hauv tsev thiab txawv teb chaws thiab tau dhau los ua lub hnub qub nce hauv cov ntaub ntawv tsis muaj dej.

4. Silicone acrylic sab nrauv phab ntsa txheej Silicone sab nrauv phab ntsa txheej yog cov ntawv luv ntawm silicone acrylic sab nrauv phab ntsa txheej. Nws yog cov txheej txheem tshiab sab nrauv phab ntsa uas muaj zog tiv thaiv huab cua (kev pabcuam lub neej ntau dua 10 xyoo) thiab muaj kuab paug zoo. Nws yog dav siv raws li ib tug waterproof txheej. Cov xim latex yog non-toxic, tsis muaj kuab paug rau ib puag ncig thiab tsis muaj mob rau tib neeg lub cev. Cov khoom siv hauv tsev uas ua tau raws li qhov xav tau ntawm ib puag ncig tam sim no yog cov khoom siv los hloov cov txheej txheem. Polyurethane waterproof coatings test method 1.

1. Kev tsim khoom. Kuaj polishing cov cuab yeej: txheej templates; Hluav taws xob cua ziab lub thawv: tswj qhov tseeb 2.

2. Kev sim theem:

(1) Ua ntej qhov kev sim, lub hauv paus, cov cuab yeej thiab cov xim yuav tsum muab tso rau hauv cov qauv kev sim rau ntau tshaj 24 teev.

(2) Ntsuas tus nqi ntawm cov qauv uas yuav tsum tau ua kom paub tseeb tias qhov kawg txheej thickness (1.50.2) hli.

(3) Ncua ib qho khoom siv sim los sib tov cov xim tsis muaj hluav taws kub sib npaug, ntsuas qhov hnyav ntawm cov kua hluav taws xob ntau yam raws li cov chaw tsim khoom cov cai, thiab tom qab ntawd sib tov cov khoom siv ntsuas sib npaug. Raws li qhov xav tau, tus nqi ntawm cov diluent tuaj yeem yog tus nqi teev los ntawm cov chaw tsim khoom, thiab thaum tus nqi diluent nyob rau hauv ntau yam, tus nqi nruab nrab tuaj yeem siv tau.

(4) Tom qab cov khoom sib tov, tag nrho sib tov rau 5 feeb, ncuav rau hauv lub thawv tiv tauj kom tsis txhob sib xyaw npuas. Lub puab ncej yuav tsis deform thiab nto yog du. Txhawm rau pab txhawb cov plaub hau poob, koj tuaj yeem ua ntej kho nrog tus neeg sawv cev tshem tawm cov plaub hau ua ntej thov. Raws li qhov xav tau ntawm cov chaw tsim khoom, cov qauv yuav tsum tau pleev xim ntau dua ib zaug (txog 3 zaug), nrog rau txhua lub sijhawm tsis pub dhau 24 teev. Lub nto yuav tsum tau leveled ib zaug kawg thiab ces kho.

(5) Kev kho cov txheej txheem ntawm kev npaj txheej: raws sij hawm demoulding raws li qhov xav tau, thiab tom qab demoulding, txheej yog muab rov qab rau kev kho kom tsis txhob demoulding txheej txheem. Cov txheej tsis muaj kev puas tsuaj. Txhawm rau ua kom yooj yim demoulding, nws tuaj yeem nqa tawm ntawm qhov kub tsis tshua muaj, tab sis qhov kub ntawm demoulding yuav tsum tsis txhob qis dua qhov kub thiab txias hloov tau yooj yim.

2. Kev ntsuas impermeability.

1. Kev ntsuas ntsuas: impermeability meter; Lub aperture yog 0.2 hli. Kev sim cov kauj ruam:

(1) Txiav peb cov qauv ntawm li (150150) hli, muab tso rau 2h raws li cov qauv ntsuas, sau cov cuab yeej nrog dej ntawm qhov kub ntawm (235), thiab tshem tawm tag nrho cov huab cua hauv lub cuab yeej.

(2) Muab cov hnoos qeev tso rau ntawm lub phaj permeable, ntxiv cov hlau mesh ntawm tib qhov loj rau cov qauv, npog lub 7-qhov qub phaj, thiab maj mam clamp kom txog thaum tus qauv yog clamped ntawm lub phaj. Qhuav qhov tsis sib cuag ntawm lub reagent nrog ib daim ntaub los yog compressed cua thiab maj mam siv lub siab rau lub siab.

(3) Tom qab ncav cuag lub siab, tuav lub siab rau (302) min. Cov dej permeability ntawm cov qauv yog pom thaum lub sij hawm qhov kev xeem (ib tug cia li poob rau hauv dej siab los yog dej nyob rau hauv lub tsis-ntsib saum npoo ntawm tus qauv).

Polymer waterproof txheej test method:

I. Qauv thiab qauv npaj. Ntsuas tus nqi tsim nyog ntawm cov kua thiab cov khoom siv ntawm cov qauv, muab tso rau hauv cov qauv ntsuas raws li qhov kev faib ua feem tau teev tseg los ntawm cov chaw tsim khoom, rau 5min, mechanically do rau 5min, cia lawv sawv ntsug li 1 mus rau 3 feeb kom txo cov npuas, thiab tom qab ntawd ncuav lawv rau hauv cov txheej pwm txheej txheem teev nyob rau hauv "Polyurethane Waterproof Coating Test Method" rau txheej. Txhawm rau pab txhawb kev tso tawm, qhov saum npoo ntawm zaj duab xis tuaj yeem kho nrog tus neeg tso tawm. Cov qauv yog coated ob zaug los yog peb zaug thaum lub sij hawm npaj, thiab tom qab txheej yuav tsum tau nqa tawm tom qab lub qub txheej yog qhuav, thiab lub ncua sij hawm ntawm ob lub sij hawm yog (12 ~ 24) h, yog li ntawd cov qauv thickness yuav ncav cuag ( 1.5 ± 0.50) hli. Qhov saum npoo ntawm cov qauv coated kawg yog scraped tiaj tus, sab laug rau 96h raws li tus qauv, thiab tom qab ntawd unmolded. Cov qauv demoulded tau kho hauv qhov cub kom qhuav ntawm (40 ± 2) ℃ sab rau 48 teev, thiab tom qab ntawd muab tso rau hauv lub tshuab ziab khaub ncaws kom txias rau chav sov.

Ob qhov kev ntsuam xyuas dej impermeability

Cov qauv npaj tau muab txiav rau hauv 3 daim (150 × 150mm) tom qab kho, thiab sim ua raws li cov txheej txheem ntsuas ntsuas thiab cov txheej txheem rau kev ntsuas impermeability. Qhov kev ntsuas siab yog 0.3MPa thiab lub siab tau khaws cia rau 30 feeb.

Kev ntsuas tus qauv rau lub tsev tsis muaj dej tsis zoo

1. Extensibility Extensibility feem ntau yog ua kom txhua yam ntawm cov txheej txheem dej tsis muaj dej muaj peev xwm hloov tau mus rau qhov deformation ntawm lub hauv paus txheej, thiaj li ua kom cov dej tsis zoo.

2. Qhov kub thiab txias tsis tshua muaj siab kub heev yuav ua rau cov xim ntws, qhov kub thiab txias heev yuav ua rau cov xim tawg, yog li qhov kub tsis tshua muaj kev hloov pauv kuj yog qhov taw qhia yooj yim ntawm cov xim.

3. Impermeability Rau saum kaum hom ntawm waterproof coatings, impermeability yog qhov tseem ceeb tshaj plaws kev ua tau zoo. Yog tias qhov kev xav tau zoo tsis tuaj yeem ua tau raws li qhov yuav tsum tau ua, yuav muaj qhov xau ncaj qha ntawm cov txheej txheem dej tom qab ua tiav.

4. Cov ntsiab lus ntawm cov khoom yog hais txog qhov zoo ntawm cov khoom theem nyob rau hauv cov slurry Cheebtsam, uas yog lub ntsiab zaj duab xis-tsim tshuaj ntawm ntau yam waterproof txheej. Yog hais tias cov ntsiab lus ntawm cov xim yog tsawg dhau, qhov zoo ntawm cov yeeb yaj kiab yog qhov nyuaj rau kev lees paub.

5. Thaum tshav kub kub tsis kam nyob rau hauv qhov chaw siab tshaj plaws nyob rau lub caij ntuj sov, qhov kub ntawm lub ru tsev saum npoo ntawm cov xim pob zeb tuaj yeem ncav cuag 70 ° C, yog tias qhov kub tsis kam ntawm cov xim yog tsawg dua 80 ° C, thiab nws tsis khaws cia rau 5. teev, ces cov zaj duab xis yuav tsim ntws, npuas thiab zawv zawg phenomena, cuam tshuam cov nyhuv waterproof.