Indasitiri yekuvaka pasi rose iri kuchinja nekukurumidza, zvichikonzerwa nekuwedzera kwezvinodiwa zvekuvaka.zvinhu zvinoshanda zvakanyanya, nzira dzekuvaka dzinokurumidza, kuchengetedzeka kuri nani, uye kushanda kuri naniPakati pezvishandiso zvekuvaka zvemazuva ano,madhaka akavakirwa pagypsumdzave kukosha zvakanyanya nekuda kwehunhu hwadzo hwakareruka, kusatsva, kupenya kwakatsetseka, uye nyore kushandisa.
Sezvo musika we gypsum plasters, majoint compounds, self-leveling systems, uye decorative mortars uchikura, vagadziri vari kutarisa pakuvandudza maformula acho kuburikidza ne advanced additives. Pakati pezvinhu izvi zvinowedzera,starch etheryave chinhu chakakosha nekuda kwehunhu hwayo hwakasiyana hwe rheological uye hunhu hwekutarisira mvura.
Kana zvasanganiswa ne cellulose ethers dzakadai se HPMCuyeMHEC, starch ether inogadzira zvinoshamisamhedzisiro inoshanda pamwe chete, zvichivandudza zvikuru mashandiro emamota akagadzirwa negypsum.
Chinyorwa chino chinoongorora kemesitiri, mashandiro, mashandisirwo, uye tarisiro yeramangwana ye starch ether mumasisitimu e gypsum-based mortar.
1. Kunzwisisa Matombo Akagadzirwa neGypsum
Madhaka ekugadzira akagadzirwa negypsum zvinhu zvekuvaka zvakasanganiswa nevhu zvinoumbwa zvakanyanya ne:
- Calcium sulfate hemihydrate
- Zvizadzisiro
- Zvikamu zvakareruka
- Zvinowedzera zvinoshanda
Madhaka aya anoshandiswa zvakanyanya mu:
- Kupurasita madziro mukati
- Kupedzisa kwekushongedza
- Kuzadza majoini
- Uriri hwekuzvienzanisa
- Masisitimu ekugadzirisa
Zvakanakira Zvikuru
- Huremu hwakareruka
- Kugadzirisa nekukurumidza
- Kupedzisa pamusoro kwakapfava
- Kudzivirira moto
- Kudzikira kwakaderera
Zvisinei, gypsum mortars inewo matambudziko ekugadzira:
- Nguva shoma yekuvhura
- Kunzwa kwemvura
- Njodzi dzekudonha
- Kushanda zvisina kunaka kwekudzivirira kutsvedza
- Matambudziko ekudzora kushanda zvakanaka
Apa ndipo panonyanya kukosha starch ether.
2. Chii chinonzi Starch Ether?
Starch ether chinhu chinogadzirwa nemakemikari chinogadzirwa kuburikidza ne etherification yezvinyorwa zve starch zvechisikigo zvakaita se:
- Sitachi yechibage
- Sitachi yembatatisi
- Tapioca starch
Kugadziriswa uku kunounza mapoka e ether anovandudza:
- Kunyungudika kwemvura
- Kugadzikana
- Kusimba kwekuita
- Kuenderana nehurongwa hwezvicherwa
Starch ether inozivikanwa zvakanyanya semugadziri werheologyyakagadzirirwa zvakananga masisitimu edhaka rakaoma-rakasanganiswa.
3. Nei Starch Ether Ichikosha MuGypsum Mortars
Kusiyana ne cellulose ethers, iyo inonyanya kutarisa pakuchengetedza mvura, starch ether ine mabhenefiti akasiyana anoshanda.
Mipiro yayo mikuru inosanganisira:
- Kushanda kwekudzivirira kudonha
- Kugadzikana kwakagadziridzwa
- Hunhu hwakavandudzwa hwekudzivirira kutsvedza
- Kudzora kuri nani kwekushandisa
- Kugadziriswa kweSynergistic rheology
4. Pfungwa yeMhedzisiro yeSynergistic
Izwi irimhedzisiro inoshanda pamwe chetezvinoreva kushanda pamwe chete kwakakura kupfuura huwandu hwemipiro yemunhu mumwe nemumwe.
Mumadhaka egypsum:
Cellulose Ether Inopa
- Kuchengetwa kwemvura
- Kuwedzerwa kwenguva yekuvhura
- Kuumbwa kwemafirimu
Starch Ether Inopa
- Kusviba kwechimiro
- Kudzora kusingadonhedzeki
- thixotropy yakavandudzwa
Kana zvikashandiswa pamwe chete, zvinogadzira mafomura akagadziridzwa.
5. Kuvandudzwa kweRheology uye Kushanda Kwakanaka
Chimwe chezvibatsiro zvakakosha zvekubatana kwesimba ndechekugadzirisa rheology.
Pasina Starch Ether
Madhaka eGypsum anogona kuva:
- Mvura yakawandisa
- Zvakaoma kudzora
- Inowanzo donha
NeStarch Ether
Zvinobatsira pakugadzira dhaka:
- Kukwidibira kwakakwirira kwechimiro
- Kuchengetedza chimiro zviri nani
- Kupararira kwakavandudzika
Izvi zvinoita kuti zvive nyore kushandisa panzvimbo dzakamira.
6. Kuvandudza Mashandiro Ekudzivirira Kusagadzikana
Kusasimba kwemvura kwakakosha mu gypsum plasters.
Pasina kudzora kwakakwana kwekudzivirira kudonha kwemvura:
- Zvinhu zvinotsvedza pasi
- Ukobvu hunova husingawirirani
- Zvikanganiso pamusoro zvinoonekwa
Starch ether inovandudza zvikuru maitiro ekudzivirira kudonha kwemvura nekuwedzera kushushikana kwegoho.
Kana zvabatanidzwa ne cellulose ether, izvi zvinogadzira kugadzikana kwakanyanya.
7. Kubatana Kwekuchengetedza Mvura
Kunyange hazvo starch ether pachayo ichichengetedza mvura zvine mwero, kushanda kwayo ne cellulose ether kunovandudza kutarisirwa kwemvura yese.
Mabhenefiti anosanganisira:
- Kunyorovesa mvura kwenguva refu
- Kuomesa kushoma nguva isati yakwana
- Kuvandudza simba zviri nani
Izvi zvinonyanya kukosha mu:
- Mamiriro ekunze anopisa
- Zvigadziko zvine maburi
- Mashandisirwo akatetepa
8. Hunhu Hwakanaka Hwepamusoro
Kupera kwepamusoro kwakakosha mu gypsum mortars.
Starch ether inobatsira kune:
- Nzvimbo dzakatsetseka
- Kuderedzwa kwekutsemuka
- Kuvandudzwa kwemazinga
Kana zvikabatanidzwa ne cellulose ether, mhedzisiro yacho inoratidzika seyakanaka kwazvo.
9. Kugadzirisa Nguva Yakavhurika
Nguva yekuvhura inoreva nguva inoshanda mushure mekusanganisa.
Starch ether inobatsira kudzikamisa kugadzikana kwechinhu munguva iyi.
Mabhenefiti:
- Kuchinjika kwakawanda kwekushandisa
- Kuderedza marara
- Kushanda zvakanaka kwekuvaka
10. Kunamira Kwakawedzerwa
Sisitimu yekubatana inovandudza kubatana nekuvandudza:
- Maitiro ekunyorova
- Kusangana pakati pedhaka ne substrate
- Simba rekubatana
Izvi zvinovandudza kuvimbika mukushandiswa kwemadziro.
11. Kuramba Kutsemuka Uye Kugara Kwenguva Refu
Kupwanyika kwe microcracking kunowanzo konzerwa ne:
- Kurasikirwa nemvura nekukurumidza
- Kurongeka kusina kuenzana
- Kushushikana mukati
Musanganiswa we starch ether-cellulose ether unoderedza njodzi idzi.
Mhedzisiro:
- Kugara kwenguva refu kwakagadziridzwa
- Kushanda zvakanaka kwenguva refu
12. Mashandisirwo muMasisitimu Akasiyana eGypsum
12.1 Mapurasita eGypsum
Inovandudza:
- Kugona kushanda
- Kurwisa kudonha
- Kutsvedzerera kwepamusoro
12.2 Makomponi Akabatana
Zvinowedzera:
- Kupararira
- Kuramba kutsemuka
12.3 Matombo eGypsum Anoshongedza
Inopa:
- Kudzora magadzirirwo
- Kunyatsorongeka kwekushandisa
12.4 Gypsum Inozvienzanisa
Inogadzirisa:
- Kuyerera kwemvura
- Kugadzikana
13. Zvakanakira Zvehupfumi
Kushandisa starch ether kunovandudza kushanda zvakanaka ne:
- Kuderedza zvinodiwa zvekuwedzera kwehuwandu
- Kuderedza marara
- Kuvandudza kugona kwemubereko
Izvi zvinoderedza mari yekugadzira.
14. Mabhenefiti Ekuchengetedza Nguva Yakareba
Starch ether inopa zvakanakira zvakatipoteredza:
- Sosi yezvinhu zvinogadziriswazve
- Inoora
- Kutsika kwekabhoni kwakaderera kupfuura mapolymer ekugadzira
Izvi zvinoenderana nemaitiro ekuvaka akasvibirira.
15. Zvaunofanira Kufunga Nezvekugadzira
Kubudirira kwekushandisa kunoenderana ne:
Chipimo chemushonga
Nzvimbo yakajairika:
0.02%–0.10%
Kuenderana
Inofanira kuenzaniswa ne:
- Cellulose ether
- Vadzivisi
- Zvizadzisiro
16. Matambudziko Mukushandiswa
Matambudziko anogona kuitika anosanganisira:
- Kuwedzera kukora zvakanyanya
- Kuyerera kwemvura kushoma kana kwanyanya
- Kunzwa kwekudyidzana nemamwe mamakisi egypsum
Kugadzirisa kwakakodzera kwekugadzirwa kwemuchina kwakakosha.
17. Maitiro Emusika Wepasi Pose
Kudiwa kwe starch ether kuri kukura nekuda kwe:
- Masisitimu ekuvaka gypsum ari kukura
- Kuwedzera kwekugadzirwa kwemusanganiswa wakaoma
- Kudiwa kwezvinhu zvekuvaka zvakareruka
18. Zvitsva zveramangwana
Tsvagiridzo inotarisa pane:
- Maether estarch anoshanda akawanda
- Kudzora kunyorova nekukurumidza
- Masisitimu ekushanda akawedzerwa
19. Nei Kubatana Kuchikosha
Kusanganiswa kwe starch ether ne cellulose ether kunogadzira:
- Rheology iri nani
- Kushanda zvakanaka
- Inodzivirira kudonha kwepamusoro
- Kugara kwenguva refu kwakawedzerwa
Kubatana uku kunotsanangura mashandiro edhaka regypsum rechizvarwa chinotevera.
Kubatana kwe starch ether mumamortars akavakirwa pa gypsum kunomiririra kufambira mberi kukuru mukemikari yekuvaka.
Nekushanda pamwe chete ne cellulose ethers, starch ether inopa:
- Kushanda zvakanaka
- Kugadzikana kwakasimbiswa
- Kushanda kwakanaka kunodzivirira kudonha
- Hunhu hwepamusoro hwepamusoro
- Kugara kwenguva refu
Sezvo masisitimu ekuvaka akavakirwa pagypsum achiramba achikura pasi rose, starch ether icharamba iri chinhu chakakosha pakugadziraZvivako zvinoshanda zvakanyanya, zvinogara kwenguva refu, uye zvinoshanda zvakanaka.
Nguva yekutumira: Kubvumbi-30-2026