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Ọrụ nke cellulose ether na ngwa agha

Cellulose ethernjide mmiri

Njide mmiri nke ngwa agha na-ezo aka na ikike nke ngwa agha ijide na igbachi mmiri.Ihe dị elu nke viscosity nke cellulose ether, ka mma na-ejigide mmiri.N'ihi na cellulose Ọdịdị nwere hydroxyl na ether bond, hydroxyl na ether bond otu oxygen atọm na mmiri molekul synthesize hydrogen bond, nke mere na free mmiri n'ime ejikọta mmiri, winding mmiri, nke mere na-egwu a ọrụ nke mmiri njigide.

 

Solubility nkecellulose ether

1. The coarser cellulose ether dị mfe ịgbasa na mmiri na-enweghị agglomerating, ma mgbasa ọnụego bụ nnọọ ngwa ngwa.A na-agbaze cellulose ether n'okpuru 60 ntupu n'ime mmiri ihe dị ka nkeji iri isii.

2. Ọmarịcha ahụ nke cellulose ether na mmiri dị mfe ịgbasa ma ọ bụghị agglomerate, na mgbasa nke ọnụego bụ agafeghị oke.Cellulose ether n'elu 80 ntupu etisasịwo na mmiri ihe dị ka nkeji 3.

3. Ultrafine cellulose ether na-agbasa ngwa ngwa na mmiri, na-agbaze ngwa ngwa ma mepụta viscosity ngwa ngwa.A na-agbaze cellulose ether n'elu 120 ntupu n'ime mmiri maka ihe dịka 10-30 sekọnd.

 

The finer na cellulose ether ahụ, mma na-ejigide mmiri, keadighi rarii ahụ nke cellulose ether na mmiri kọntaktị elu ozugbo etisasịwo na kpụrụ jel onu.Gluu na-ekpuchi ihe ahụ iji gbochie ụmụ irighiri mmiri ka ọ nọgide na-abanye n'ime.Mgbe ụfọdụ, ọbụna ma ọ bụrụ na kpaliri ruo ogologo oge, ihe ngwọta ike evenly achụsasịwo na etisasịwo, akpụ a apịtị flocculent ngwọta ma ọ bụ agglomerate.Ụmụ irighiri ihe dị mma na-agbasa ma gbazee ozugbo ha na mmiri na-akpakọrịta iji mepụta viscosity otu.

 

Uru PH nke cellulose ether (coagulation na-egbu oge ma ọ bụ ike mmalite)

A na-achịkwa uru PH nke ndị na-emepụta cellulose ether n'ụlọ na ná mba ọzọ na ihe dịka 7, nke bụ acidic.N'ihi na a ka nwere ọtụtụ ihe mgbanaka glucose akpọnwụ akpọnwụ n'ime usoro ihe omimi nke cellulose ether, mgbanaka glucose akpọnwụ akpọnwụ bụ isi otu na-ebute oge ciment.Mgbanaka glucose dehydrated nwere ike ime ka calcium ion na ciment hydration ngwọta na-etolite sugar calcium molecular compounds, belata calcium ion itinye uche na ciment hydration oge induction, gbochie e guzobere na ọdịda nke calcium hydroxide na calcium salt crystals, si otú na-egbu oge usoro nke ciment hydration.Ọ bụrụ na uru PH ghọrọ ala alkaline, ngwa agha ga-apụta ọnọdụ ike mmalite.Ugbu a, ọtụtụ n'ime ụlọ mmepụta ihe iji mezie PH uru site na iji sodium carbonate, sodium carbonate bụ ụdị accelerating gị n'ụlọnga, sodium carbonate nwere ike imeziwanye arụmọrụ nke urughuru n'elu simenti, na-akpali cohesion n'etiti ahụ abawanye, n'ihu melite viscosity nke slurry, ngwa agha na sodium carbonate. na calcium ion compound ngwa ngwa, mere ka e guzobe ettringite, ciment condensation ngwa ngwa.Ya mere, a ghaghị imezi uru PH dị ka ndị ahịa dị iche iche si dị na usoro mmepụta ihe n'ezie.

 

Cellulose ether gas induction

The ikuku entraining nke cellulose ether bụ tumadi n'ihi cellulose ether bụkwa a surfactant, interface ọrụ nke cellulose ether tumadi emee na gas-mmiri-siri ike interface, nke mbụ bụ iwebata egosipụta, sochiri dispersion na wetting.Cellulose ether nwere alkyl otu, budata belata elu esemokwu na interfacial ike nke mmiri, mmiri ngwọta na usoro nke agitation dị mfe na-emepụta ọtụtụ obere emechi egosipụta.

 

Gelation nke cellulose ether

Cellulose ether etisasịwo na ngwa agha n'ihi na nke molekụla yinye nke methoxy na hydroxypropyl otu na slurry na calcium ion na aluminum ions na e guzobere viscous gel na jupụta na ciment ngwa agha ọdịiche, melite njupụta nke ngwa agha, na-arụ ọrụ nke mgbanwe ndochi na. nkwado.Otú ọ dị, mgbe a na-agbanye matrix composite, polymer enweghị ike ịme nkwado siri ike, ya mere ike na mkpakọ nke ngwa agha na-ebelata.

 

Nhazi ihe nkiri nke cellulose ether

A na-emepụta ihe nkiri latex dị mkpa n'etiti cellulose ether na cement particles mgbe hydration gasịrị.Ihe nkiri ahụ nwere mmetụta mkpuchi ma na-eme ka ihe ọkụkụ dị elu nke ngwa agha dịkwuo mma.N'ihi na cellulose ether nwere ezigbo njigide mmiri, na-ejigide mmiri mmiri zuru ezu n'ime ime nke ngwa agha ahụ, si otú a na-ahụ ike nke ciment hydration na hardening na mmepe zuru oke, meziwanye ike njikọ nke ngwa agha, n'otu oge ahụ na-eme ka adhesiveness nke ciment dịkwuo mma. ngwa agha, ngwa agha ahụ nwere ezigbo plasticity na ike siri ike, belata nrụrụ ngwa agha.


Oge nzipu: Jun-14-2022