N'otu oge ahụ, ọ nwere ike n'ụzọ ezi uche melite mkpakọ ike na shiee ike nkeHPMC hydroxypropyl methyl cellulose, n'ihu kwalite n'ezie mmetụta nke engineering ewu, melite arụmọrụ. HPMC hydroxypropyl methyl cellulose nwere ike melite nrapado ike nke putty ntụ ntụ, belata nkwusioru ọnọdụ, iji hụ na ihe ịga nke ọma nke engineering ewu. Hydroxypropyl methyl cellulose nwere ike ịbawanye oge na-agba ọsọ ma na-edozi nsogbu nke oghere na enweghị ike mkpakọ mbụ na usoro nhazi nhazi.
Ịrụ ọrụ mkpuchi mmiri dị elu nke ngwa agha ihe owuwu injinia na ngwa ngwa putty nwere ike ime ka kọnkịtị gwakọta nke ọma, ma nwee ike imeziwanye ike mgbochi nke ngwa agha. N'otu oge ahụ, ike mkpakọ na ike shii nke hydroxypropyl methyl cellulose nwere ike imeziwanye nke ọma iji kwalite n'ezie mmetụta nke nrụpụta injinia na imeziwanye arụmọrụ.
Nwa na-eguzogide mmiri,HPMChydroxypropyl methyl cellulose, mmetụta nke hydroxypropyl methyl cellulose na putty ntụ ntụ, iji gbochie ihicha na ihicha nke oke mmiri na-apụta. Hydroxypropyl methyl cellulose nwere ike melite nrapado ike nke putty ntụ ntụ, belata nkwusioru ọnọdụ, hụ na ihe ịga nke ọma nke engineering ewu.
HPMC hydroxypropyl methyl cellulose igodo na mkpọchi mmiri, ndim, wetting na mmetụta ndị ọzọ, ndim, wetting na mmetụta ndị ọzọ nwere a ụfọdụ mmalite ntọala mmetụta. Hydroxypropyl methyl cellulose nwere ike ịbawanye oge na-agba ọsọ ma na-edozi nsogbu nke oghere na enweghị ike mkpakọ mbụ na usoro nhazi nhazi.
HPMC hydroxypropyl methyl cellulose na ngwa agha mkpuchi mgbidi na-arụ ọrụ dị mkpa na mmetụta njikọ, ma na-eme ka ike mkpakọ nke akụrụngwa dịkwuo elu. Mortar dị mfe ikpuchi, melite arụmọrụ, yana ọrụ bụ isi nke nkwusioru mgbochi na mmetụta bara uru. Ịrụ ọrụ mkpuchi mmiri nke hydroxypropyl methyl cellulose nwere ike ime ka oge na-agba ọsọ nke ngwa agha dịkwuo elu, melite nguzogide na nchikota na arịlịka, melite ogo elu, ma melite ike mkpakọ nke njikọ.
Ihe nkedo tile na-agbaze mmiri nke ukwuu na-ewepụ mkpa maka taịlị ala nke etinyere ya ma ọ bụ nke mmiri mmiri na ntọala, na-emewanye ike mkpakọ njikọ. Oge owuwu injinịa slurry dị ogologo, nke ọma, ihe atụ, ihe owuwu injinịa dabara adaba, yana oke mmiri na-eguzogide.
Na ubi nke eke latex ụlọ coatings, hydroxypropyl methyl cellulose nwere ike ji mee ihe dị ka film akpụ gị n'ụlọnga, tackifier, demulsifier na thickener, nke mere na plastic film ka mma eyi iguzogide, fluidity na adhesion. A na-akọwapụta pH nke a na-eji eme ka esemokwu dị n'etiti ihu dị mma, na ngwakọta na ngwọta organic dị mma ma nwee ezigbo ire ụtọ.
Mmepe akụ na ụba ihe owuwu ihe owuwu nwere ike dị mma, ikike mmiri dị mma na mgbochi ịka nká. The ezigbo nkume mkpuchi usoro imewe atụmatụ bụ nnọọ isi. A ton nke elu àgwà lacquer mejupụtara ihe dị ka 300KG pure styrene-acrylic emulsion, 650KG dị ọcha eke nkume aqueous ngwọta na ndị ọzọ components. A na-eji ezigbo lacquers mara mma dị elu site na ọtụtụ lotions na-edozi ahụ. Mgbe mmiri mejupụtara emulsion bụ 50%, olu nke 300KG moisturizing emulsion mgbe ihicha bụ banyere 150 lita, na olu nke 650KG arọ ájá bụ banyere 228 lita. Nke ahụ bụ, na nke a, ezigbo nkume agba (ụgwọ tapawa agba agba) bụ 60%. N'ihi nnukwu urughuru size na oge mgbe ọdịdị nke ọma ájá, n'okpuru premise nke a ụfọdụ urughuru size analysis, akọrọ mputa mgbidi mkpuchi yiri ka gburugburu CPVC ịta uru).
Maka viscosifier, ọ bụrụ na ahọpụtara viscosity cellulose kwesịrị ekwesị, mkpuchi mgbidi dị n'èzí nwere ike ịmepụta nkọwa zuru ezu, ihe mkpuchi agba agba, iji nweta ihe atọ nke mkpuchi mgbidi dị n'èzí. Iwu atọ maka mkpuchi ụlọ. N'ezie, ngwa nke a otutu akụ na ụba na bara uru nkume qi, a ton nke nzuzo uzommeputa mgbaze 100-160kg, 750kg acha efere ájá, 20kg (gụnyere mkpuchi mgbakwunye, pesticides, fungicides, adhesives, wdg), ndị fọdụrụ nke mmiri na ngwaahịa nlekọta anụ ahụ. Ụdị ezigbo nkume agba PVC n'ozuzu n'etiti 75%? N'etiti 85%, na usoro ọrụ akpọnwụwo, n'ezie ezigbo nkume agba mkpuchi siri ike guzobe a zuru ezu na uko agba oyi akwa. Ya mere, otú e si eme ka n'ụzọ zuru ezu ojiji nke ndị ọzọ mmachi moisturizing emulsion nzuzo uzommeputa mmetụta, nke mere na mkpuchi dị ka o kwere mee symmetrical.
Ihe mkpuchi ụlọ nke ezigbo nkume nwere njirimara nke viscosity dị ala (ịdị arọ dị elu). N'ihi mmụba nke ọnụahịa nke ngwaahịa cellulose, viscosity nke etinyere cellulose gbanwere site na 30000 ruo 50000,80000,100000, ọ bụrụgodị na ọ na-abawanye site na 200000, ihe mgbaru ọsọ bụ iji belata mkpokọta cellulose sitere na methyl cellulose (HEC). ) na hydroxyl acrylic cellulose (HPMC); Ngwa nke methyl methyl cellulose HPMC ga budata ibelata mmiri repellency nke ezigbo nkume ụlọ agba, na mgbe ahụ melite viscosity nke cellulose ( ikwu molekụla uka) ga-abụ ezigbo nkume ụlọ agba commodity arụmọrụ ọgwụgwụ? Azịza ya bụ na arụmọrụ nke akwa akwa akwa nkume ga-akawanye njọ!
Enwere ike kewaa HPMC n'ime ngwa ngwa na ụdị soluble okpomọkụ. Mgbe mmiri oyi na-agbasa ngwa ngwa ma daa n'ime mmiri, HPMC nwere ike kewaa n'ime ngwa ngwa na ụdị ọkụ ọkụ. N'oge a, mmiri mmiri adịghị enwe viscosity, n'ihi na HPMC na-agbasasị naanị na mmiri, ọ dịghịkwa n'ezie mmetụta nke agbaze. Mgbe ihe dị ka nkeji 2 gachara, viscosity nke mmiri mmiri na-agbasa nwayọọ nwayọọ, na-emepụta ngwọta viscous colloid na-enweghị atụ. Mgbe ngwaahịa na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ na-agbakọta na mmiri oyi, ha nwere ike gbasaa ngwa ngwa na mmiri ọkụ ma fesaa na mmiri ọkụ. Mgbe ọnọdụ okpomọkụ na-ebelata ruo n'ókè ụfọdụ nke okpomọkụ, viscosity ga-eji nwayọọ nwayọọ na-eme ruo mgbe a na-emepụta ihe ngwọta colloidal viscous zuru oke. Ụdị ihe mgbaze organic thermal na-eji naanị n'ime mgbidi putty ntụ ntụ na ngwa agha. Na mmiri mmiri superglue na mkpuchi, enwere ọnụ ọgụgụ ndị a na-apụghị itinye n'ọrụ. Ụdị ngwa ngwa - solubility nwere ụdị ngwa izugbe. Enwere ike iji dị ka ime mgbidi putty ntụ ntụ na ngwa agha, na mmiri mmiri superglue na mkpuchi. Enweghị mgbochi.
Mmiri na-ekpo ọkụ na-agbaze: n'ihi na HPMC na mmiri ọkụ adịghị agbaze, ya mere HPMC na njikọ mbụ nwere ike gbasaa na mmiri ọkụ, na-agbaze ngwa ngwa mgbe ọ dị jụụ. Akọwara ụzọ abụọ oge gboo dịka ndị a:
1) Tinye mmiri ọkụ nke ịchọrọ n'ime ụgbọ mmiri wee kpoo ya ihe dịka 70 ℃. Jiri nwayọọ gwakọta, jiri nwayọọ nwayọọ tinye hydroxypropyl methyl cellulose, jiri nwayọọ nwayọọ HPMC na-ese n'elu osimiri, wee jiri nwayọọ nwayọọ mepụta sludge refrigeration sludge na ngwakọta.
2) Tinye 1/3 ma ọ bụ 2/3 nke mmiri n'ime arịa ahụ, kpoo ya na 70 ℃, kpoo ya na 70 ℃ iji gbasaa HPMC, ma dozie sludge mmiri ọkụ; A na-agbakwunye mmiri oyi fọdụrụ na sludge na-ekpo ọkụ ma gwakọta ya na ngwakọta jụrụ oyi.
Usoro ngwakọta ntụ ntụ: HPMC ntụ ntụ na blender na ọtụtụ ihe ndị ọzọ na-emepụta kemịkalụ ntụ ntụ zuru oke, tinyezie mmiri ka ọ gbazee. N'oge a, HPMC nwere ike etisasịwo na ikpe nke ọ dịghị agglomeration, n'ihi na onye ọ bụla obere akuku naanị a obere HPMC ntụ ntụ, mgbe mmiri ga-ozugbo igbari - ụdị ụzọ dị nnọọ ngwa nke n'ime mgbidi putty ntụ ntụ na ngwa agha emepụta. [HPMC] dị ka onye na-eme ihe na-edozi ahụ na onye na-edozi mmiri na ngwa ngwa putty nke mgbidi dị n'ime.
Nke a bụ ihe a na-ahụkarị hydroxypropyl methyl cellulose (HMPC) akwa akwa, nke dị nso na ihe viscoelastic (karịsịa mucin) na anya mmiri. Ọ na-arapara n'elu anya site na mgbasa ozi nke polymer, ma na-eme ka ọrụ nke conjunctival mucin na-arụ ọrụ, ka ọ na-eme ka ọnọdụ mucin dị ntakịrị na anya dịkwuo mma ma na-abawanye mmetụta wetting nke cornea.
Na putty ntụ ntụ, ndina, njigide mmiri na iwu nke ọrụ atọ. N'ịdị arọ, cellulose nwere ike ịgbatị na nkwusioru, nke mere na ngwọta ahụ na-anọgide na-edozi elu na ala ọrụ nke mgbochi-asọpụta. Njide mmiri: mee ka putty ntụ ntụ kpoo nwayọọ nwayọọ, inyeaka calcium isi awọ n'omume mmeghachi omume mmiri. Ewu: cellulose lubrication, nwere ike ime ka putty ntụ ntụ nwere ihe owuwu dị mma. HPMC anaghị eso na mmeghachi omume kemịkalụ ọ bụla, mana ọ na-arụ naanị ọrụ nkwado.
Agba agba na-agbanwe agbanwe na nhọrọ nke agba, ma nwee ike nweta mmetụta nhazi nka dị mma, na ezigbo nkume agba n'ịchụso ndụ ndụ, dị mma karịa agba agba, onye ọ bụla nwere ike nke ya. Agba agba na lacquer na usoro mmepụta, iji na-adịgide adịgide na agba mbụ, n'ozuzu na usoro ikpeazụ, anyị ga-eji varnish (mmanụ ọkụ) na-efesa iji chebe mmetụta nkà ha ma ọ bụ mmetụta nkume.
Lacquer, udidi agba bụ ụdị agba, tumadi eji maka mgbidi mma. The eke diatom apịtị ukara website chịkọta ụfọdụ ọdịiche dị n'etiti texture agba na lacquer, texture agba na lacquer ịmata usoro, ndị na-esonụ kpọmkwem ịhụ ihe dị iche n'etiti lacquer na udidi agba.
Ọnụ ahịa latex dị elu dị elu, ndị na-emepụta ihe iji chekwaa ego, dị nnọọ gbakwunye obere ego nke oke emulsion, mgbe emechara n'ezie nkume agba akọrọ ihe nkiri rụrụ arụ, ezughi oke njupụta, ihe nkiri agba bụ bibulous ọnụego dị ukwuu, ike mkpakọ na-ebelata, otu ugboro na-ezute mmiri ozuzo ihu igwe ruo ogologo oge, mmiri ozuzo ga-abanye n'ime ihe nkiri agba, n'ezie nkume agba ọcha.
Ụfọdụ ndị na-emepụta ihe na-emepụta lacquer, na-agbakwunye ọtụtụ carboxymethyl cellulose, hydroxyethyl cellulose dị ka thickener, ihe ndị a bụ mmiri-soluble ma ọ bụ hydrophilic, ihe nkiri mkpuchi hapụrụ na oyi akwa, na-ebelata oke mgbochi mmiri nke mkpuchi.
Oge nzipu: Jun-09-2022