MHEC eji arụ ọrụ

1 okwu mmeghe

MHEC nke cellulose ether n'imeihe owuwuỤlọ ọrụ ihe owuwu ụlọ nwere ọtụtụ ihe eji eme ihe, nnukwu ego, enwere ike iji mee ihe dị ka onye na-azụ azụ, onye na-ejide mmiri, thickener na nrapado.MHEC nke cellulose ether na-arụ ọrụ dị mkpa na ngwa agha agwakọta akọrọ nkịtị, ngwa agha mkpuchi mgbidi dị n'èzí, ngwa agha na-ebuli onwe ya, ihe nkedo seramiiki, putty ụlọ dị elu, mgbochi mgbawa n'ime na mpụga mgbidi, ngwa agha agwakọta mmiri na-enweghị mmiri, plasta plasta, chaulking agent na ihe ndị ọzọ.MHEC nke cellulose ether nwere mmetụta dị mkpa na njide mmiri, ọchịchọ mmiri, adhesion, retardation na iwu nke usoro ngwa agha.

E nwere ọtụtụ dị iche iche ụdị na nkọwa nkeMHEC nke cellulose ether, Cellulose ethera na-ejikarị eme ihe n'ubi ihe owuwu gụnyere HEC,MHEC, CMC, PAC,MHPC na ihe ndị ọzọ, dị ka ụdị ọrụ ha dị iche iche etinyere na usoro ngwa agha dị iche iche. Ụfọdụ ndị mmadụ amụwo mmetụta nke ụdị dị iche iche na dị iche iche onunu ogwu nkeMHEC nke cellulose ether na simenti ngwa agha usoro. N'akwụkwọ a, otú ịhọrọ dị iche iche iche na nkọwa nkeMHEC nke cellulose ether na dị iche iche ngwa agha ngwaahịa na-atụle.

2 MHEC nke cellulose ether na ciment ngwa agha e ji mara ọrụ

Dị ka ihe dị mkpa admixture na akọrọ ngwa agha,MHEC nke cellulose ether nwere ọtụtụ ọrụ na ngwa agha.MHEC nke cellulose ether na ngwa ngwa ciment bụ ọrụ kachasị mkpa nke njide mmiri na ịdị arọ, na mgbakwunye, n'ihi mmekọrịta ya na usoro ciment, ga-arụkwa ọrụ inyeaka nke ikuku induction, igbu oge, melite ike njikọ nke tensile.

Ihe onwunwe kacha mkpa nkeMHEC nke cellulose ether na ngwa agha bụ njide mmiri.MHEC nke cellulose ether dị ka ihe dị mkpa admixture na fọrọ nke nta niile ngwa agha ngwaahịa, isi ojiji nke mmiri na-ejigide ya. N'ikwu okwu n'ozuzu, njigide mmiri nkeMHEC nke cellulose ether metụtara ya viscosity, usoro onunu ogwu na urughuru size.

MHEC nke cellulose ether dị ka a thickener, ya ndim mmetụta metụtara ogo etherification nkeMHEC nke cellulose ether, urughuru nha, viscosity na ogo mgbanwe. N'ozuzu, elu ogo etherification na viscosity nkeMHEC nke cellulose ether, ka nta ahụ na-eme ka ọ pụta ìhè na mmetụta dị ike. Site n'ịgbanwe àgwà ndị dị n'eluMHEC, ngwa agha nwere ike nweta arụmọrụ mgbochi kwụ ọtọ kwesịrị ekwesị na viscosity kacha mma.

In MHEC nke cellulose ether, iwebata otu alkyl na-ebelata ike elu nke ngwọta mmiri nwereMHEC nke cellulose ether, ka ọ wereMHEC nke cellulose ether nwere mmetụta nke itinye ụrọ ciment. N'ihi mmetụta bọlbụ nke afụ, arụ ọrụ ihe owuwu nke ngwa agha na-akawanye mma, na mmepụta nke ngwa agha na-abawanye site na ntinye nke egosipụta. N'ezie, ọ dị mkpa ka a na-achịkwa ikuku ikuku. Oke ikuku nke ukwuu ga-enwe mmetụta na-adịghị mma na ike nke ngwa agha, n'ihi na enwere ike iwebata egosipụta na-emerụ ahụ.

2.1MHEC nke cellulose ether ga-egbu oge usoro hydration nke ciment, si otú a na-ebelata ntọala na usoro siri ike nke ciment, na n'otu aka ahụ na-agbatị oge oghere nke ngwa agha, ma mmetụta a na-adịghị mma na ngwa agha na mpaghara oyi. Na nhọrọ nkeMHEC nke cellulose ether, kwesịrị ịdabere na ọnọdụ kpọmkwem nke nhọrọ nke ngwaahịa kwesịrị ekwesị. The retarding mmetụta nkeMHEC nke cellulose ether na-tumadi ogologo na mma nke etherification ogo, mgbanwe ogo na viscosity.

Na mgbakwunye,MHEC nke cellulose ether dị ka polymer ogologo yinye umi, mgbe isonyere ciment usoro, n'okpuru premise nke n'ụzọ zuru ezu ịnọgide na-enwe slurry mmiri mmiri, nwere ike melite nkekọ arụmọrụ na mkpụrụ.

2.2 Njirimara nkeMHEC nke cellulose ether na ngwa agha tumadi gụnyere: mmiri njigide, ndim, ịgbatị oge ntọala, gas permeability na melite tensile bonding ike, wdg The Njirimara kwuru n'elu na-egosipụta na àgwà nkeMHEC onwe ya, ya bụ, viscosity, kwụsie ike, nọ n'ọrụ akụrụngwa ọdịnaya (ego kwukwara), etherification nnọchi ogo na ya uniformity, mgbanwe ogo na-emerụ ihe ọdịnaya, wdg Ya mere, na nhọrọ nkeMHEC, MHEC nke cellulose ether ya na njirimara nke ya nwere ike inye arụmọrụ kwesịrị ekwesị kwesịrị ịhọrọ dịka ihe achọrọ nke ngwaahịa ngwa ngwa kpọmkwem maka ụfọdụ arụmọrụ.

3. Njirimara nkeMHEC nke cellulose ether

N'ikwu okwu n'ozuzu, ntuziaka ngwaahịa nyere site naMHEC nke cellulose ether ndị na-emepụta ga-enwe ihe ngosi ndị a: ọdịdị, viscosity, ogo nnọchi otu, ịdị mma, ọdịnaya ihe dị irè (ịdị ọcha), ọdịnaya mmiri, ubi akwadoro na usoro onunu ogwu. Ihe ngosi arụmọrụ ndị a nwere ike igosipụta akụkụ nke ọrụ nkeMHEC nke cellulose ether, ma na ntụnyere na nhọrọ nkeMHEC nke cellulose ether, kwesịkwara inyocha ihe mejupụtara kemịkalụ ya, ogo mgbanwe, ogo etherification, ọdịnaya NaCl, uru DS na akụkụ ndị ọzọ.

WereKimacell MHECMH60M nkọwapụta ngwaahịa dịka ọmụmaatụ. Nke mbụ, MH na-egosi na ihe mejupụtara ya bụ methyl hydroxyethylMHEC nke cellulose ether, viscosity (mkpebi usoro Hoppler) bụ 60000 Mpa. s, . Na mgbakwunye, na mgbakwunye na nkọwa nke ọdịdị ngwaahịa, viscosity, urughuru size, e nwere ndị na-egosi: chemical mejupụtara maka methyl hydroxyethyl.MHEC nke cellulose ether, mgbe obere ogo mgbanwe; Ogo ogo nke etherification; Mmiri ọdịnaya nke 6% ma ọ bụ obere; NaCl ọdịnaya nke 1.5% ma ọ bụ obere; Ọdịnaya ihe dị mma> 92.5%, njupụta rụrụ arụ 300 g / L na ndị ọzọ.

3.1MHEC nke cellulose ether viscosity

The viscosity nkeMHEC nke cellulose ether na-emetụta njide mmiri ya, njupụta, nkwụsịtụ na akụkụ ndị ọzọ, ya mere, ọ bụ ihe dị mkpa na-egosi nyocha na nhọrọ nke.MHEC nke cellulose ether.

Tupu atụle viscosity nkeMHEC nke cellulose ether, ekwesịrị iburu n'obi na e nwere ụzọ nyocha viscosity anọ a na-ejikarịMHEC nke cellulose ether: Brookfield, Hakke, Hoppler na rotary viscometer usoro. Ngwa, ntinye nke ngwọta na gburugburu ebe nyocha nke ụzọ anọ na-eji dị iche iche, ya mere nsonaazụ nke otuMHEC ngwọta nwalere site na ụzọ anọ dịkwa iche iche. Ọbụna maka otu ngwọta ahụ, na-eji otu usoro ahụ, n'okpuru ọnọdụ gburugburu ebe obibi dị iche iche, viscosity

Nsonaazụ dịkwa iche iche. Ya mere, mgbe ị na-akọwa viscosity nke aMHEC nke cellulose ether, ọ dị mkpa igosi ụdị usoro iji nwalee, ngwọta ngwọta, rotor, ọsọ, ule okpomọkụ na iru mmiri na ọnọdụ gburugburu ebe obibi ndị ọzọ n'otu oge ahụ, uru viscosity bara uru. Naanị kwuo, "Gịnị bụ viscosity nke ụfọdụMHEC?”

Ọ baghị uru.

WereKimacell MHEC ngwaahịa MH100M dị ka ihe atụ. E gosiputara ya na ntuziaka ngwaahịa na "uru viscosity nke usoro Hoppler kpebiri bụ 100000 Mpa.s". Dị ka ihe kwekọrọ, nkọwapụta ahụ na-enyekwa nke ahụ "Brookfi!Eld RV, 20 RPM, 1.0%,20℃,20°GH, uru viscosity nwalere bụ 4100 ~ 5500 Mpa. s".

3.2 Product kwụsie ike nkeMHEC nke cellulose ether

MHEC nke cellulose ether A maara na ọ nwere ike ibute mbuze site na mildew cellulose. Ebu na ozize nkeMHEC nke cellulose ether, mbụ ọgụ na-adịghị etherizedMHEC nke cellulose ether unit glucose, dị ka agbụ ígwè kwụ ọtọ, ozugbo e bibiri nkeji glucose, a kwụsịrị yinye molekụla niile, viscosity nke ngwaahịa ahụ ga-agbada nke ọma. Mgbe nkeji glucose na-etherification, ebu ahụ adịghị mfe imebi yinye molekụla, yabụ, ọ na-abawanye ogo mgbanwe etherification (DS value) nkeMHEC nke cellulose ether, nke ka nkwụsi ike ya ga-adị elu.

Na-ewereKimacell MHEC ngwaahịa MH100M dịka ọmụmaatụ, nkọwapụta ngwaahịa na-egosi n'ụzọ doro anya na uru DS bụ 1.70 (maka mmiri na-agbaze.MHEC, uru DS bụ ihe na-erughị 2), nke na-egosi na ngwaahịa ahụ nwere nkwụsi ike ngwaahịa.

3.3 Akụkụ dị n'ọrụ ọdịnaya nkeMHEC nke cellulose ether

Nke dị elu ọdịnaya nke akụrụngwa na-arụ ọrụ naMHEC nke cellulose ether, ọnụ ahịa ọnụahịa dị elu nke ngwaahịa ahụ, ka ọ wee nweta nsonaazụ ka mma n'okpuru otu usoro onunu ogwu. Akụkụ dị irè nkeMHEC nke cellulose ether is MHEC nke cellulose ether molekul, nke bụ organic umi, otú mgbe na-enyocha irè umi ọdịnaya nkeMHEC nke cellulose ether, enwere ike igosipụta ya n'ụzọ na-apụtaghị ìhè site na uru ntụ mgbe calcination gasịrị. N'ozuzu, uru ash dị elu jikọtara ya na ihe dị ala dị irè. Na nkọwa ngwaahịa nkeKimacell MHEC, ihe na-arụ ọrụ nke ngwaahịa izugbe dị elu karịa 92%.

3.4 ọdịnaya nke NaCl inMHEC nke cellulose ether

NaCl bụ ngwaahịa a na-apụghị izere ezere na mmepụta nkeMHEC nke cellulose ether, nke a na-achọkarị iwepụ ya site na ịsacha ọtụtụ. Ka oge ịsa ahụ na-abawanye, ihe fọdụrụ NaCl na-ebelata. A maara NaCl ka ọ bụrụ ihe na-emerụ ahụ na corrosion nke ígwè ígwè na waya waya, wdg. Ya mere, ọ bụ ezie na ịsacha NaCl ugboro ugboro nwere ike ịbawanye ọnụ ahịa nke ọgwụgwọ nsị mmiri.MHEC a ga-ahọrọ ngwaahịa ndị nwere obere ọdịnaya NaCl dị ka o kwere mee. Ọdịnaya NaCl nkeKimacell MHEC A na-achịkwa ngwaahịa n'okpuru 1.5%, nke bụ ngwaahịa nwere obere ọdịnaya NaCl.

4. Ụkpụrụ nke ịhọrọMHEC nke cellulose ether maka ngwaahịa ngwa agha dị iche iche

N'oge ngwa ngwa ngwaahịa ejiMHEC nke cellulose ether, nke mbụ kwesịrị ịdabere na nkọwa nke akwụkwọ ntuziaka ngwaahịa, họrọ ihe ngosi arụmọrụ nke onwe ha, dị ka viscosity, ogo ngbanwe etherification, ọdịnaya ihe dị irè, ọdịnaya NaCl wdg) iji tụnyere kacha mma.MHEC nke cellulose ether dị ka ihe ngwa agha ngwaahịa na arụmọrụ chọrọ, integrated ngwa nke ahọrọ ịrụ ọrụ na-ezute chọrọ nke elu àgwà iche nkeMHEC.

Dị ka ihe kwekọrọ chọrọ ngwaahịa ngwa agha dị iche iche, ndị na-esonụ na-ewebata ụkpụrụ kwekọrọ ekwekọ nke ịhọrọ kwesịrị ekwesịMHEC.

4.1 Sistemụ plasta dị mkpa

Were usoro plasta dị mkpa nke ngwa agha plasta dị ka ihe atụ, n'ihi na ngwa agha plasta na-emetụta kpọmkwem na gburugburu ebe obibi, mmiri dị elu na-efunahụ ngwa ngwa, ya mere ọ na-achọ nnukwu njigide mmiri. Karịsịa n'ime ihe owuwu oge okpomọkụ, a chọrọ ngwa ngwa ka o wee nwee ike idebe mmiri na oke okpomọkụ.MHEC na elu mmiri njide ọnụego chọrọ ka ahọrọ, nke nwere ike na-atụle n'ụzọ zuru ezu si akụkụ atọ: viscosity, urughuru size na mgbakwunye ego. N'ikwu okwu n'ozuzu,MHEC na nnukwu viscosity kwesịrị ịhọrọ n'okpuru otu ọnọdụ ahụ, na viscosity ekwesịghị ịdị oke elu na-atụle ihe ndị a chọrọ nke owuwu. Ya mere, ndịMHEC kwesịrị ịhọrọ ya na oke njigide mmiri na obere viscosity.Kimacell MHEC ngwaahịa,MH60M na ndị ọzọ enwere ike ịkwado maka sistemu plasta dị mkpa.

4.2 Igwe eji akwa akwa nke simenti

Ngwa ngwa plastering chọrọ ezigbo ịdị n'otu nke ngwa agha, plasta na-adị mfe iji kpuchie ya nke ọma, ma na-achọ nkwụsi ike kwụ ọtọ nke ọma, ikike ịgbapụta na mmiri na arụ ọrụ dị oke elu. Ya mere,MHEC na obere viscosity na ngwa ngwa mgbasa na anọgidesi ike mmepe (obere irighiri) na ciment ngwa agha na-ahọrọ, dị ka.KimacellMH60M na MH100M akwadoro.

4.3 Tilenrapado

Na-ewu nke seramiiki tilenrapado, Iji hụ na nchekwa na arụmọrụ dị mma, a na-achọkarị na oge mmeghe nke ngwa agha dị ogologo, ọrụ mgbochi mgbochi dị mma, na enwere njikọ dị mma n'etiti ihe isi na seramiiki tile. N'ihi ya, ceramic tile gluu dị eluMHEC chọrọ. NaMHEC na seramiiki tile gluu n'ozuzu nwere dịtụ elu onunu ogwu. Na nhọrọ nkeMHEC, izute ihe achọrọ nke ogologo oge mmeghe,MHEC n'onwe ya kwesịrị ịnwe oke njigide mmiri, nke chọrọ viscosity kwesịrị ekwesị, ego mgbakwunye na nha nha. Iji zute ezigbo arụmọrụ mgbochi mmịfe,MHECỌ dị mkpa ka mmetụta mkpụkọ dị mma ga-eme ka mgbochi mgbochi nke ngwa agha kwụsie ike. The ndim nwere ụfọdụ chọrọ na viscosity, etherification ogo na urughuru size. Ya mere,MHEC nke kwesịrị ka a tụlee kwesịrị izute chọrọ nke viscosity, etherification ogo na urughuru size n'otu oge. A na-atụ aro ka ijiKimacell MHECMH100M, MH60M na MH100MS, wdg (Ụdị njide mmiri nke mmịpụta agụụ na usoro nzacha ka a tụrụ ka ọ dị elu karịa 95%).

Iji guzogide gluu tile na-amị amị, ọ chọrọMHEC na karịsịa magburu onwe mgbochi vetikal eruba arụmọrụ ka thickened, nke mere na ukwuu gbanwetụrụMHEC nwere ike họrọ. Ọmụmaatụ,MHECMH100M of Kimacell enwere ike ịkwado ya (ngwaahịa a gbanwere nke ukwuu).

4.4 Ngwa agha ala na-ebuli onwe ya

Ngwa agha na-edozi onwe ya nwere ihe dị elu chọrọ na nhazi ọkwa, ya mere ọ dabara adaba ịhọrọMHEC nke cellulose ether ngwaahịa na obere viscosity. N'ihi na ọkwa nke onwe ya na-achọ ngwa ngwa agwakọta nke ọma ka ọ nwee ike ịgbatị ala na-akpaghị aka, ọ na-achọ mmiri na mgbapụta, ya mere oke mmiri-ihe dị ukwuu. Iji gbochie ọbara ọgbụgba,MHEC achọrọ iji chịkwaa njigide mmiri nke elu ma nye viscosity iji gbochie mmiri ozuzo. H300P2 na H20P2 nkeKimacell akwadoro.

4.5 Ịtọba ngwa agha

N'ihi kọntaktị kpọmkwem na elu masonry, ngwa agha masonry na-abụkarị nnukwu ihe owuwu oyi akwa, na-achọ ngwa agha ka ọ nwee ike ịrụ ọrụ dị elu na njide mmiri, kamakwa iji hụ na ike jikọtara ya na masonry, melite ihe owuwu, melite arụmọrụ. Ya mere, nhọrọ nkeMHEC kwesịrị inwe ike inye aka ngwa agha imeziwanye arụmọrụ nke ndị a dị n'elu,MHEC nke cellulose ether viscosity adịghị oke elu, enwere ụfọdụ njigide mmiri, akwadoro ijiMHECMH100M, MH60M, MH6M, wdg.

4.6 slurry mkpuchi thermal

A na-ejikarị aka na-etinye slurry okpomọkụ. Ya mere, ndịMHEC ahọpụtara ka achọrọ iji nye ngwa agha ahụ nke ọma, ịrụ ọrụ nke ọma na njigide mmiri dị mma, yana ihe ndị ahụMHEC kwesịrị inwe àgwà nke elu viscosity na elu ikuku entraining. N'ihi njirimara ndị dị n'elu, a na-atụ aro ka ijiKimacellMH100M, MH60M na ngwaahịa ndị ọzọ nwere oke njigide mmiri, nnukwu viscosity na ezigbo ikuku entraning arụmọrụ.

5 nkwubi okwu

MHEC nke cellulose ether N'ime ngwa ngwa ciment bụ ọrụ nke njide mmiri, ịgbara mmiri, ntinye ikuku, igbu oge na melite ike njikọ tensile..