Focus on Cellulose ethers

Ọnụego njide mmiri nke HPMC 200000 viscosity hydroxypropyl methyl cellulose

Ọrụ dị mkpa nke mmiri-solublehydroxypropyl methyl cellulose HPMCna ngwa agha dị mkpa na akụkụ atọ, otu bụ ezigbo njide mmiri ọkachamara ikike, abụọ bụ mmebi nke viscosity na compressibility nke ngwa agha, atọ bụ mmekọrịta na ciment. Ogbenye mmiri njigide nke ngwa agha na dum usoro nke njem dị mfe ikewapụ mmiri outflow, gbasaa n'elu porous ihe, ọtụtụ n'ime mmiri dị mfe na-etinye obi gị dum gbarie, mepụta mgbanwe atụmatụ nke ngwa agha, ngwa agha ala mebiri emebi nke. niile nkịtị coagulation na obere iberibe akụrụngwa n'etiti bonding na otú belata mkpakọ ike nke masonry mgbidi. A na-akọwa njigide mmiri nke ngwa agha site na stratification.
Nke ukwuu na viscosity nkehydroxypropyl methyl celluloseHPMC, ka mma njigide mmiri na-arụ ọrụ, ka mma viscosity nke ngwọta mmiri polymer. Ogologo na ọdịdị nke yinye molekụla na-adaberekwa n'ụdị molekul nke polymer (okpomọkụ mgbanwe iko). Ọnụọgụ otu ndị na-arụ ọrụ na-emetụtakwa oke viscosity.
Hydroxypropyl methyl cellulose HPMC nwere arụmọrụ njigide mmiri sitere na hydroxypropyl methyl cellulose solubility nke onwe yana maka ịba mmiri. A maara nke ọma na cellulose bụ ihe a na-adịghị ahụkebe n'ime mmiri n'ihi nhazi ya dị elu dị elu, ọ bụ ezie na eriri molecular nke eriri nwere ọtụtụ ìgwè OH nwere nnukwu mmiri.
Enweghị ike ịkwụ ụgwọ maka njikọ dị elu nke covalent na ike van der Waals site na ikike hydration nke otu methyl naanị. Ya mere, enwere ike ịgbaze ya naanị na mmiri. Mgbe a na-ewebata ụmụ irighiri ihe ndị na-anọchi anya, ọ bụghị naanị mkpụrụ ndụ ndị nọchiri anya na-ebibi agbụ hydrogen, kamakwa a na-ebibi agbụ ndị dị na hydrogen site n'ụdị mkpụrụ ndụ ndị na-anọchi anya wedges na agbụ ndị agbata obi. Ka ndochi anya ka ukwuu, ka oghere molekụla na-abawanye. Nke ukwuu uru nke imebi covalent agbụ. Mgbe eriri lattice na-abawanye mgbe niile, ihe ngwọta mmiri na-abanye na hydroxypropyl methyl cellulose na-aghọ mmiri soluble, na-ebute ngwọta mmiri viscous nke ukwuu.
Ka okpomọkụ gburugburu na-ebili, hydration polymer na-adịwanye irè, a na-achụpụkwa mmiri n'etiti agbụ ahụ. Mgbe e wepụrụ mmiri zuru ezu, ihe owuwu molekụla ahụ na-eji nwayọọ nwayọọ na-agbakọta, na-emepụta netwọk anụ ahụ nwere akụkụ atọ nwere ike ịgbatị. The viscosity, usoro onunu ogwu, urughuru nha na ngwa okpomọkụ nke hydroxypropyl methyl cellulose bụ ihe na-emerụ mmiri na-ejigide ọrụ nke ngwa agha.
Hydroxypropyl methyl cellulose viscosity kewara n'ime: viscosity 100,000, viscosity 150,000, viscosity 200,000.
Kedu otu esi ahọrọ hydroxypropyl methyl cellulose?
100,000 viscosity hydroxypropyl methyl cellulose nwere ike iji dị ka ime mgbidi putty ntụ ntụ. Ihe nkedo tile. Onye na-eme mkpọtụ. Ngwa ngwa ihe ejikọtara ọnụ. Akwa ike na-abụghị shrinkage grouting ihe onwunwe.
Nkọwapụta ngwa agha mkpuchi inorganic dị elu, viscosity nke 150 puku hydroxypropyl methyl cellulose ma ọ bụ 200 puku hydroxypropyl methyl cellulose. Ọ bụrụ na-ahọrọ ọhụrụ mkpụrụ na viscosity bụ 100 puku, mepụta eruba ka kpọgidere a onu nnọọ mfe.
Ọrụ kachasị nke methyl cellulose bụ njide mmiri, nke na-esote ya. Na-agwụ ike na nwa ntụ ntụ n'ime mgbidi, ma ọ bụrụ na ọ nwere mma mmiri igbari na usụhọde viscosity (70000-80000), ka nwere ike itinye. Mgbe viscosity karịrị 100,000, viscosity adịghị emerụ njide mmiri. Na mmepụta na mmepụta nke ime mgbidi putty ntụ ntụ, ọ dịghị mkpa ịhọrọ viscosity 200,000. N'ihi na viscosity dị oke ibu, ọ na-esiri ike ịcha na ịcha n'ọtụtụ buru ibu.

Hydroxypropyl methyl cellulose na-eji viscosity nke 100,000.
1. Engineering oru ngo ihe ngwa agha ogbe putty ngwa agha.
Nnukwu mmiri solubility nwere ike ime ka condensation zuru ezu, ike nrapado nọgidere na-abawanye. N'otu aka ahụ, ike mkpakọ na laser ịcha mkpakọ ike nwere ike imeziwanye nke ọma, wee melite mmetụta a na-atụ anya ya nke ihe owuwu ụlọ, melite arụmọrụ.
2. N'ime mgbidi putty ntụ ntụ mmiri na-eguzogide.
Na putty, moisturizing, bonding, lubrication dị ezigbo mkpa, iji gbochie ego nke mmiri mere site cracks na akọrọ ọnọdụ nakwa mma bonding nke n'ime mgbidi putty ntụ ntụ, belata eruba nghọta phenomenon na-ewu, engineering ewu ikwu ire ụtọ.
3. Plaster nke Paris brushing usoro ngwaahịa.
Na plasta nke ngwaahịa usoro Paris, ọ nwere mmetụta bụ isi nke njide mmiri, ịgbatị na wetting. Dị ka ndị dị otú ahụ, ọ nwere ụfọdụ mmetụta ntọala mbụ, nke nwere ike ime ka oge na-ewu ụlọ dịkwuo elu ma na-edozi nsogbu nke mgbagwoju anya na ike mkpakọ mbụ na usoro nhazi ihe owuwu.
4. Putty na-egbochi mmiri.
Dị ka ngwa dị mkpa nke demulsifier, ọ nwere ike imeziwanye ike ike na laser ịcha ike mkpakọ, melite mkpuchi elu, melite nrapado na njikọ ike mkpakọ.
5. Ceramic tile nrapado.
Elu mmiri soluble n'ala taịlị na ulo oru bases adịghị mkpa ka mmiri ma ọ bụ mmiri tupu, nke budata mma bonding compressive ike. Oge ihe owuwu ahụ dị ogologo, dị nro na nke edo, na-azọpụta oge na mgbalị na-ewu ụlọ. Na mgbakwunye, ọ nwekwara mma mmanu mmanu.

6. Onye na-eme mkpọtụ. Trench sealant.
HPMC eriri na elu àgwà adhesion, ala shrinkage na elu eyi iguzogide, mmezi nke isi akụrụngwa si mbibi nke ulo oru akụrụngwa, iji gbochie infiltration nke niile ewu oru ngo.
7. Dc larịị ihe.
Ikike njikọ dị nro na-eme ka usoro mgbasa ozi dị elu dị elu nke ihe na-edozi onwe ya na ikike nke ciment, na-edozi ọnụego njigide mmiri iji mee ka ọ sie ike ngwa ngwa ma belata nkwụsịtụ na mmechi.
8. Industrial agba mgbidi latex agba.
N'ime ụlọ ọrụ mkpuchi ụlọ ọrụ na ụlọ ọrụ mmepụta ihe, enwere ike iji methylpropyl methyl cellulose mee ihe dị ka onye na-emepụta ihe nkiri, demulsifier, demulsifier na nrapado, nke mere na fim ahụ ka mma iyi nguzogide, arụmọrụ mkpuchi nke ọma, adhesion na esemokwu elu nke pH kwesịrị ekwesị. imeziwanye. Nsonaazụ a tụrụ anya na-adịkwa mma mgbe agwakọta ya na ihe mgbaze organic. Ọ nwere njigide mmiri dị elu na arụmọrụ agba dị elu.

Hydroxypropyl methyl cellulose 1500000 viscosity.
N'etiti viscosity 100,000 na viscosity 200,000, viscosity 150,000 dị nso 100,000 viscosity.

Hydroxypropyl methyl cellulose 200,000 eji.
N'ime ihe owuwu ụlọ, karịsịa iji ụrọ mkpuchi mkpuchi inorganic, ihe kachasị mkpa bụ imeziwanye cohesivity, welie mmetụta nke ike tensile, mee ka ngwa ngwa ngwa ngwa dịkwuo mfe gluu, melite arụmọrụ. Na mgbakwunye, ọ nwere mmetụta mmiri mgbochi kwụ ọtọ. Ịrụ ọrụ moisturize dị elu nwere ike ịgbatị oge na-agba ọsọ nke ngwa ngwa ngwa ngwa, melite nkwụsị nke mgbaji na arịlịka, melite mma elu, melite adhesion.
(1) Njide mmiri nke methyl cellulose na-adabere na ego mgbakwunye ya, viscosity, urughuru mma na mgbasa ozi. N'ozuzu, ego mgbakwunye dị ukwuu, ịdị mma dị ntakịrị, viscosity dị ukwuu, ọnụ ọgụgụ njide mmiri dị elu, n'ime nke a na-enwe mmetụta dị ukwuu na ntinye mmiri, viscosity na nkwụsị mmiri adịghị ala. karịa mmekọrịta, mgbasa ọnụego tumadi dabere na elu mgbanwe ogo na urughuru fineness nke cellulose ahụ. Methyl cellulose na hydroxypropyl methyl cellulose dị n'elu ọtụtụ cellulose ethers nwere ọnụ ọgụgụ dị elu nke njide mmiri.


Oge nzipu: Jun-09-2022
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