Ụdị Akụnụba LE80M HPMC maka Taịlị nrapado
Nkọwa Ngwaahịa
Hydroxypropyl methyl cellulose HPMC LE80M bụ ihe mgbakwunye dị iche iche maka ngwakọta dị njikere na ngwaahịa ngwakọta akọrọ. Ọ bụ ihe na-ejigide mmiri nke ọma, ihe na-eme ka ihe sie ike, ihe na-eme ka ọ kwụsie ike, ihe na-arapara, na ihe na-akpụ ihe nkiri n'ihe owuwu ụlọ.
Nkọwapụta Nkà na ụzụ
| Aha | Hydroxypropyl Methyl Cellulose LE80M |
| Nọmba CAS. | 9004-65-3 |
| Koodu HS | 3912390000 |
| Ọdịdị | Ntụ ntụ ọcha |
| Njupụta nnukwu (g/cm)3） | 19.0--38(0.5-0.7) (lb/ft 3) (g/cm 3) |
| Ọdịnaya methyl | 28.0--30.0(%) |
| Ọdịnaya hydroxypropyl | 7.5--12.0(%) |
| Okpomọkụ Gelling | 58--64(℃) |
| Mmiri dị n'ime ya | ≤5.0(%) |
| Uru PH | 5.0--9.0 |
| Ihe fọdụrụ (Ntụ) | ≤5.0(%) |
| Viscosity (2% Ngwọta) | 80,000(mPa.s, Brookfield 20rpm 20℃, -10%+20%) |
| Ngwugwu | 25 (kg/akpa) |
Ngwa
➢ Ngwa agha maka mkpuchi ihe mkpuchi
➢ Ntucha mgbidi dị n'ime/mpụta
➢ Plasta Gypsum
➢ Ihe na-ejikọ taịlị seramiiki
➢ Ngwa agha nkịtị
Isi ihe ngosi
➢ Oge mmeghe nkịtị
➢ Nguzogide mbugharị ọkọlọtọ
➢ Njide mmiri nkịtị
➢ Ike nrapado siri ike zuru oke
➢ Ọrụ ọkọlọtọ
☑ Nchekwa na nnyefe
A ga-echekwa ma bute ya n'ọnọdụ kpọrọ nkụ na ọcha n'ụdị mbụ ya na n'ebe okpomọkụ na-adịghị. Mgbe emepechara ngwugwu ahụ maka mmepụta, a ga-emechi ya nke ọma iji zere mmiri ịbanye.
Ngwugwu: 25kg/akpa, akpa plastik nke nwere ọtụtụ oyi akwa nwere oghere valvụ ala square, yana akpa ihe nkiri polyethylene dị n'ime.
☑ Ndụ nchekwa
Oge nkwa ahụ bụ afọ abụọ. Jiri ya mee ihe n'oge dị ka o kwere mee n'okpuru oke okpomọkụ na iru mmiri, ka ọ ghara ime ka ohere nke ịcha achịcha dịkwuo elu.
☑ Nchekwa ngwaahịa
Hydroxypropyl methyl cellulose HPMC LK10M abụghị nke ihe dị ize ndụ. E nyere ozi ndị ọzọ gbasara nchekwa na mpempe akwụkwọ data nchekwa ihe.
Ajụjụ Ndị A Na-ajụkarị
Hydroxypropyl methylcellulose (HPMC) bụ cellulose ethers nke nwere otu hydroxyl na cellulose yinye dochie methoxy ma ọ bụ hydroxypropyl otu.It A na-eme ya site na iji etherification pụrụ iche nke cellulose owu dị ọcha n'okpuru ọnọdụ alkaline. N'afọ ndị na-adịbeghị anya, HPMC, dị ka ngwakọta ọrụ, na-arụ ọrụ nke ọma.sna idobe mmiri na oke ọkpụrụkpụ n'ime ụlọ ọrụ ihe owuwu ma a na-ejikarị ya eme ihe n'ọtụtụ ebe nangwa agha drymix, dịka taịlị gluu, grouts, plastering, mgbidi putty, nhazi onwe, mkpuchi ihe mkpuchi na wdg.
Dịka ọ dị na mbụ, maka ntụ ntụ putty, viscosity nkeHPMCzuru oke na ihe dị ka 70,000 ruo 80,000. Isi ihe a na-elekwasị anya bụ na arụmọrụ ya nke idobe mmiri, ebe mmetụta nke ọkpụrụkpụ ahụ dị obere. Maka ngwa agha, ihe achọrọ makaHPMCdị elu karịa, oke mmiri ahụ kwesịrị ịdị ihe dị ka 150,000, nke nwere ike ime ka ọ rụọ ọrụ nke ọma na simenti. N'ezie, na ntụ ntụ putty, ọ bụrụhaala na arụmọrụ nchekwa mmiri nke HPMC dị mma, ọbụlagodi na oke mmiri ahụ dị ala (70,000 ruo 80,000), ọ dị mma. Agbanyeghị, na simenti, ọ ka mma ịhọrọ HPMC nwere oke mmiri ahụ buru ibu (karịa 100,000), n'ihi na mmetụta nchekwa mmiri ya dị oke mkpa n'ọnọdụ a.
Nsogbu nke iwepụ ntụ ntụ putty dabere na ịdị mma nke calcium hydroxide ma ọ nweghị ihe jikọrọ ya na HPMC. Ọ bụrụ na ọdịnaya calcium dị na calcium hydroxide dị ala ma ọ bụ na oke CaO na Ca(OH)2 adịghị mma, ọ nwere ike ime ka ntụ ntụ putty daa. Banyere mmetụta nke HPMC, ọ na-egosipụtakarị na arụmọrụ ya nke idobe mmiri. Ọ bụrụ na arụmọrụ idobe mmiri nke HPMC adịghị mma, ọ nwekwara ike inwe mmetụta ụfọdụ na iwepụ ntụ ntụ putty.
Ihe achọrọ maka iji ntụ ntụ putty dị obere. Ọbara ruru 100,000 ezuola. Isi ihe dị mkpa bụ inwe ezigbo ihe eji echekwa mmiri. Maka ihe gbasara ụrọ, ihe achọrọ dị elu ma dịkwa mkpa maka viscosity dị elu, ngwaahịa 150,000 ahụ nwekwara mmetụta ka mma.
