Hydroxypropyl methylrcellesulose (HPMC) Waa dawada chet-ka ee aan la diyaarin karin oo ah kiimiko taxane ah oo kiimiko ah iyadoo la adeegsanayo shey dabiiciga ah ee polymer-ka dabiiciga ah sida shey cayriin ah. Iyagu waa ur, ur la'aan, budo cad oo aan sun lahayn oo ku bararsan biyaha qabow xalka aruurinta qashinka ama waxyarba. Waxay leedahay astaamaha dhumucda, xidhitaanka, kala firidhsan, emulsing, sameynta filimka, cayrinta, xaraashka, dhaqdhaqaaqa dusha sare, haynta qoyaanka, qoyaanka iyo coacation haynta. Hydroxypropylylulose methylcelrellose, unugyada methyl waxaa loo isticmaali karaa qalabka dhismaha, warshadaha gogosha, resin isku-darka, warshadaha dhoobada, dawada, dharka, dharka, kiimikada, kiimikada maalinlaha ah iyo warshadaha kale.
Hydroxypropyl methylcelrelose (HPMC) isleegyada kiimikada:
[C6h7O2 (Oh) 3-mn (och3) m (och2ch (oh) ch3) n] x
Codsiga ugu weyn ee hydroxypropyl methylrcellellase hpmc ee qalabka dhismaha:
1. Maskaxda ku saleysan salka
(1) Hagaajinta isku habboonaanta, samee plaster sahlan oo aad ugu fududaato smear, u hagaajisid caabbinta sag, kor u qaadida dareeraha iyo balaatada, iyo hagaajinta waxqabadka shaqada.
(2) Kaalmada biyaha sare, dheelitirka waqtiga meelaynta ee madaafiidda, hagaajinta waxqabadka shaqada, iyo fududeynta awoodda farsamo ee farsamada leh ee hawo-mareenka iyo sahminta.
(3) Xakamaynta hordhaca hawada si looga takhaluso dildilaaca dusha sare ee dahaarka si loo sameeyo dusha sare ee la doonayo.
2. Qalabka malaaska ee ku saleysan gypsum iyo alaabada gypsum
(1) Hagaajinta isku habboonaanta, samee plaster sahlan oo aad ugu fududaato smear, u hagaajisid caabbinta sag, kor u qaadida dareeraha iyo balaatada, iyo hagaajinta waxqabadka shaqada.
(2) Kaalmada biyaha sare, dheelitirka waqtiga meelaynta ee madaafiidda, hagaajinta waxqabadka shaqada, iyo fududeynta awoodda farsamo ee farsamada leh ee hawo-mareenka iyo sahminta.
(3) Xakameeyaan isku habboonaanta isku-darka joojinta hoolka si loo sameeyo dahabka dusha sare ee la doonayo.
3. Masonry Masonry
(1) kor u qaadista adhesion dusha sare ee Masonry, kor u qaad haynta biyaha, iyo kordhinta xoogga madaafiicda.
(2) Hagaaji saliidaha iyo caanaha, hagaajinta nashaadaadka; U adeegso madaafiic lagu wanaajiyo chelther ether, kaas oo sahlan in la dhiso, badbaadiyo waqtiga dhismaha oo uu yareeyo kharashaadka dhismaha.
(3) Kahortagga biyaha ee dheeraadka ah ee iftiinka biyaha ee buluugga ah ee bulukeetida biyaha ka soo nuugista biyaha.
4. Xirmooyinka wadajirka ah
(1) haynta biyaha ee aad u wanaagsan, waqti go'an oo fidsan iyo hufnaanta shaqada ee la hagaajiyay. Aad u saliidayn iyo sahlan in la isku daro. (2) Hagaaji caabbinta isku-dhafka ah iyo caabbinta dillaaca iyo hagaajinta tayada dusha sare ee daboolka. (3) Hagaaji adhiysiinta dusha sare ee isku xirka si loo bixiyo qaab jilicsan oo jilicsan.
5. Tile dhejis
(1) Way fududahay in la qalajiyo maaddooyinka isku darka maaddooyinka, majiraan dillaac, hagaajinta xawaaraha arjiga, wanaajinta waxqabadka dhismaha, keydinta waqtiga shaqada oo yareeyaan qiimaha shaqada.
(2) Hagaajinta tayada hufnaanta tuurista adoo kordhinaya waqtiga furitaanka oo aad siiso adhesion aad u fiican.
6. Shuruucda dabacsan
(1) waxay siisaa Viscosity iyo Falalgallo sidii gargaar ka soo horjeedda ka hortagga. (2) kor u qaadista buufinta dareeraha iyo wanaajinta hufnaanta dhulka. (3) Xakamaynta biyaha xakameynta iyo burburka, yareynta jajabinta iyo burburka dhulka.
7. Rinjiga ku saleysan biyaha
(1) waxay ka hortagtaa roobab adag oo dheereeya xilliga weelka sheyga. Biyobiska sare oo leh is-waafajin aad u wanaagsan oo ay ku jiraan qaybaha kale. (2) Hagaajinta dareeraha, bixi caabbinta wanaagsan, caabbinta sag iyo heerka si loo hubiyo in dusha sare ee dusha sare ah.
8. Budada gidaarka
(1) si dhakhso ah u milmid la'aan jaranjarada, taas oo u fiican isku-darka. (2) Soo saar xoog xidhiidh sare.
9. Xaashida sibidhka oo la soo dhaafay
(1) Waxay leedahay wada-noolaansho sare iyo saliido iyo saliido iyo kor u qaadista basaasida alaabada la soo saaray. (2) Hagaajinta xoogga cagaaran, kor u qaadida saameynta hawo-mareenka, iyo hagaajinta dhalidda.
10. MADAXWEYNAHA DHAQANKA
Alaabada HPMC ee madaafiicda isku-dhafka ah ayaa ka fiican madaafadda caadiga ah ee moolka-isku-dhafka ah, hubinta in sheyga sibidhka ee diyaarka ah ay si buuxda u jihayso, oo ay sababaan xoogga dammaanadda, iyo dillaaca ay sababaan qalajinta burburka. HPMC sidoo kale waxay leedahay saameyn gaar ah oo hawo leh. Wax soo saarka HPMC ee madaafiicda la qorsheeyay wuxuu leeyahay qaddar ku habboon oo hawo ah, isku mid ah iyo xumbo yaryar, kaasoo horumarin kara xoogga iyo madaafiicda isku-dhafka ah ee isku-dhafka ah. Shayga HPMC si gaar ah loo isticmaalo hoobiye isku dhafan ayaa leh saameyn dib-u-dhac ah, kaas oo kordhin kara waqtiga furitaanka hoobiyeyaasha isku-dhafka ah oo yareyn kara dhibaatada dhismaha.
Haddii aad xiisaynayso HPMC-gaaga, fadlan noo soo dir emaylka:sales@kimachemical.com
Waqtiga Post: Dec-21-2018