1. Nkọwa na ọrụ nke Perbener
Ihe mgbakwunye nwere ike ịbawanye viscosity na eserese mmiri na-akpọ ndị dị iche iche.
Ndị na-arụ ọrụ dị mkpa na mmepụta, nchekwa na nke mkpuchi mkpuchi.
Ọrụ bụ isi nke Truener bụ iwelie viocosict nke mkpuchi iji mezuo ihe dị iche iche nke iji. Agbanyeghị, vitists chọrọ site na mkpuchi na ọkwa dị iche iche dị iche. Dịka:
N'oge usoro nchekwa, ọ bụ ihe na-achọsi ike ịnwe vitcosict iji gbochie pimps ahụ;
N'oge usoro ihe owuwu ahụ, ọ bụ ihe na-achọsi ike ịnweta viscosite na-aga n'ihu iji hụ na agba ahụ nwere ezigbo bruchability na-enweghị ntụpọ na-ese ihe na-enweghị mmachi;
Mgbe owuwu, a na-ele anya na viscosity na-agaghachi ngwa ngwa viscosity dị elu mgbe obere oge lag (usoro dị larịị) iji gbochie ịnya isi.
A na-eme ka mmiri mmiri mmiri na-acha ọbara ọbara.
Mgbe vita viscity na-ebelata nke a na-abawanye osisi, a na-akpọ ya a pseudoplastic mmiri, na ọtụtụ n'ime agba ahụ bụ mmiri pseudoplastic.
Mgbe usoro mmiri pseudoplastic bụ ihe metụtara akụkọ ihe mere eme ya, ya bụ, ọ bụ oge dabere na mmiri mmiri.
Mgbe anyị na-arụpụta mkpuchi, anyị na-agbalịsi ike ịme mkpuchi mkpuchi ahụ, dị ka ịgbakwunye ihe atụ.
Mgbe Thixaotropy nke mkpuchi kwesịrị ekwesị, ọ nwere ike idozi esemokwu dị iche iche nke mkpuchi ahụ, ma na-ezute mkpa nke ọhụụ nke mkpuchi ahụ na nchekwa, ọkwa owuwu, na ncha.
Ụfọdụ thixeners nwere ike ịrata agba ahụ na elu višotropy, nke mere na o nwere ọkwa dị elu na izu ike ma ọ bụ na ọnụego shier (ka ọ na-egbochi ụcha na agba ahụ. Na n'okpuru elu ịkwa shia (dị ka usoro mkpuchi), o nwere nva dị ala, nke mere na mkpuchi ahụ enwewo mmụba na ọkwa.
Thixatrotropy na-anọchi anya Thixatropic TI ma tụọ site Brookfield Visinfield.
Ti = viscosity (na-atụle na 6R / min) / viscosity (na-atụ anya na 60r / min)
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(1) ofdị mejupụtara kemịkalụ, ndị na-ekewa ụzọ abụọ: Organic na inorganic.
Typesdị na -eche na-agụnye bennite, actapulgite, aluminom magnesium sidicalium, withrylic actilose, polylic acidylate, polylic acrylic ma ọ bụ collyymer ma ọ bụ polyurethane withg.
Site n'echiche nke mmetụta na akụrụngwa nke mkpuchi mkpuchi, na-ekewa n'ime thixotropic thieners na ndị na-eme ihe. N'ihe banyere arụmọrụ chọrọ, ego nke Treatder kwesịrị ịbụ onye na-adịkarị njọ na-emekwa ka ọ dị mma; Ọ dịghị mfe ka e nwee enzymes; Mgbe ọnọdụ okpomọkụ ma ọ bụ uru usoro nke usoro ahụ gbanwere, viscosise nke mkpuchi agaghị enwe ike belata, na pigmenti na filler agaghị a fromculated. ; Ezigbo nchekwa nchekwa; Ezigbo ụdị mmiri, ọ nweghị ihe ọkụ pụtara ìhè na enweghị oghom arụmọrụ na arụmọrụ nke ihe nkiri a.
①Celllose theden
The cellulose thilleners bụ methylcellose, hydroxyethylculose na hydroxylmethylmellosethylcelllose, na nke ikpeazụ a na-ejikarị.
Hydroxyythythythythythythythythyth na-enweta ngwaahịa site na dochie ìgwè hydroxy na nkeji glucose sitere n'okike cellulose na hydroxye yìsi. Nkọwapụta na ụdị ngwaahịa ndị a bụ ihe dị iche iche dị iche iche dabere na ogo nke dochie na visce.
A na-ekewa hydroxyethythythyth cellulose na mpaghara nkịtị, ụdị mgbasa ozi ngwa ngwa na ụdị nguzosi ike. Dị ka usoro iji ya na-eche echiche, enwere ike ịgbakwunye cellosethyth cellulose na ọkwa dị iche iche n'usoro mmepụta ihe. A na-agbakwunye ụdị ịgbasa ngwa ngwa ozugbo na ụdị ntụ ntụ. Agbanyeghị, uru plọ ọrụ nke sistemụ ahụ tupu ị na-agbakwunye kwesịrị na-erughị 7, ọkachasị n'ihi na mmiri celdropose na-agbasasị n'ime ọnụ uru dị ala, ma mgbe ahụ uru nke PO na-abawanye iji mee ka ọ gbazee ngwa ngwa. Enwere ike iji usoro ndị kwekọrọ kwekọrọ iji dozie ụfọdụ ịta nke gluu ma gbakwunye ya na sistem mkpuchi.
Hydroxypyl Methylcellose bụ ngwaahịa enwetara site na dochie otu hydropose otu cellulose na otu methoxyl site na otu hydroxyl. Mmetụta ya na-eme bụ isi ihe dị ka nke hydroxyethythyhethyth cellulose. Ma ọ na-eguzogide mgbatị enzymatic, mana sọsọ mmiri ya adịghị mma dịka nke hydroxyethythyhethythythythythythyth cellulose, ọ nwekwara ọghọm nke ndị na-ere ọkụ mgbe ọ na-ewepụta ya. Maka ihu igwe nke elu-igwe methylcellose, enwere ike itinye ya na mmiri mgbe ejiri ya. Mgbe ị na-akpali ma na-efesa, gbakwunye olulu mmiri dị ka mmiri amonia iji dozie uru PH dị 8-9, ma bido ruo mgbe etinyere ruo mgbe etinyere ruo mgbe etinyere ruo mgbe etinyere ruo mgbe etinyere ruo mgbe etinyere ruo mgbe etinyere ruo mgbe etinyere ruo mgbe etinyere ruo mgbe etinyere ruo mgbe etinyere ruo mgbe etinyere ruo mgbe etinyere ruo mgbe etinyere ruo mgbe etinyere ruo mgbe etinyere ruo mgbe etinyere ruo mgbe etinyere ruo mgbe etinyere ya. Maka hydroxylthylthylthylthylthyth na-enweghị ọgwụgwọ, ọ nwere ike tinye ya ma jiri mmiri na-ekpo ọkụ dị n'elu 85 Celsius na mmiri oyi ma ọ bụ mmiri mmiri iji gbazee ya.
②norganic Twooner
Kinddị Tratener a bụ ụfọdụ ngwaahịa ụrọ arụ ọrụ, magnesium aluminom na-egbo mkpa, wdg. Mgbe mkpuchi ahụ akpọnwụwo ma guzobe ya n'ime fim, ọ na-eme ya na fim, wdg. Ihe a na-adịghị adị bụ na ọ ga-emetụta ọkwa mkpuchi ahụ.
③ Synter polymer Pollener
A na-ejikarị polymer polymeners thereners na-eji acrylic na polyurethane (ndị na-eme ihe nkiri). Ndị na-acrylic Thereners bụ ọkachasị polymers acylic dị n'otu cary. Na mmiri na nke PH dị nke 8-10, ndị otu na-ebuso ndị na-achụpụ ma na-akpụ akpụ; Mgbe uru pH dị elu karịa 10, ọ na-agbada na mmiri ma tụfuo ube, yabụ mmetụta dị iche iche na-emetụta uru PH.
Usoro ndị dị omimi nke acrylate trustener bụ na ụmụ irighiri ya nwere ike ịbụ nke ọzịza na agba ahụ, na-eme ka ọ bụrụ nke na-ekpuchi ihe ndị ahụ, ma na-eme ka viocosis na-egbochi viocosis na nke usoro. ; Nke abụọ, ọzịza nke ndị ukwu na-abawanye viscosity nke mmiri mmiri.
(2) Mmetụta nke Pretener na Njirimara Njirimara
Mmetụta nke ụdị nke na-eme ihe na akụrụngwa rhite nke mkpuchi bụ ihe a:
Mgbe ego nke Truric na-abawanye, viccoside nke agba ahụ na-abawanye nke ukwuu, na mgbanwe viscitsed na-agbanwe agbanwe mgbe edobere ya.
Site na mmetụta nke Trulorner, viscosity nke agba ahụ mgbe a na-edo onwe ya na ịkware mmiri, na-egosi pseudoplastity.
Iji hydrophost meriri cellulose (dịka Ebs451fQ), na ọnụego shiee, vissity ka dị elu mgbe ọnụego ahụ buru ibu.
Iji Contranitotive Polnyurtethane Polleners (dịka WT10A), na ọnụego Shear, ọkwa a ka dị elu mgbe ọnụego ahụ buru ibu.
Iji Acrylic Troadners (dị ka ASE60), ọ bụ ezie na ọdịdị Victic na-ebili ọsọ ọsọ mgbe ego ole ahụ buru ibu, viscese ahụ na-agbadata ngwa ngwa na nnukwu shio ọnụego ya.
3. Onye na-akpakọrịta
(1) ihe omimi
Mkpụrụ osisi ather na alkali-azar na-efe efe nwere ike ime ka mmiri sie ike na agba ndị ọzọ na agba ahụ na agba nke emulsion, ya mere, o doro anya na onology na-enweghị ike idozi ya.
A na-ejikọ ndị na-eme ihe na mgbakwunye na ndị na-eme ihe na-efe efe site na hydration site na hydration n'etiti onwe ha, na-achụsasị aka ndị ọzọ na sistemụ. Acterntassociaters a na elu ọnụego Shear na ndị na - esokọ na ọnụego Shear, na - enye ohere ka edoziri ya.
Usoro ndị dị omimi nke Sistener bụ na Molekul ya bụ linermer yrophilic yinye ya, nke ahụ, ọ nwere hydrophilic otu na usoro a, yabụ, ọ nwere njirimara nke ụmụ irighiri ihe. uwa. Molecules dị otú ahụ nwere ike ọ bụghị naanị hydrate ma zaa mmiri mmiri, kamakwa ọdịdị mitales mgbe ịta ya uru karịrị uru. Ihe micmes nwere ike isonye na polymer na-ejikọ ya na mkpịsị ugodi nke emulsion nke na-akụzi ndị a na-achụsasị usoro, ma na-agbachitere ma na-agbachitere ma na-agbachitere victose nke sistemụ ahụ.
Ihe dị mkpa bụ na mkpakọrịta ndị a nọ n'ọnọdụ nguzozi, yana ndị na-esochi ihe ndị metụtara ha mgbe ndị agha ahụ nwere ihe dị na ya. Na mgbakwunye, ebe ọ bụ na ụmụ irighiri ihe nwere ọtụtụ ihe Micelles, ihe owuwu a na-ebelata ọchịchọ nke molecules iji kwaga ma si otú ahụ na-abawanye ụba viat.
(2) Ọrụ na Coatings
Imirikiti ndị otu egwuregwu bụ polyurethanes, na ibu ha nwere oke egwu karịa 103-104 iwu acid acid na nke celluactose dị n'etiti 105-106. N'ihi ogo molecular dị ala, mmụba olu dị mma mgbe hydration pere mpe, yabụ usoro visce ya bụ nke na-acha uhie uhie karịa nke ndị na-anaghị eso eme.
N'ihi oke molecular dị ala nke Fronterner, nnabata ya na usoro mmiri a na-amachaghị, yabụ mmetụta ndị na-emetụ ya na mmiri mmiri adịghị mkpa. Na obere ọkọlọtọ ọnụego dị ala, ntụgharị mmekọrịta n'etiti ụmụ irighiri ihe karịrị ụmụ irighiri ihe, sistemụ ahụ na-ejigide nkwusioru nke viscosity nke viscosity na viscoside (mmiri). Ya mere, ndị otu sonener na-eme ka usoro mmiri dabeere na mmiri na-egosipụta obere viscosity mgbe ọ dị na mpaghara oke mkpụmkpụ.
Ndị na-akpakọrịta dị egwu na-abawanye ike dị n'etiti ọtụtụ ụmụ irighiri ihe n'ihi mkpakọrịta dị n'etiti ụmụ irighiri ihe na usoro a chụsasị. N'ụzọ dị otú a, ike dị mkpa iji mebie mkpakọrịta dị na ọnụego Shear, yana oke shear chọrọ iji nweta otu akịrị a na-enwekarị na ọnụego shiee. Na viscosity. Visity vie-Shear na ala dị ala nwere ike mejupụta enweghị oke nke agba ahụ, ya bụ, enwere ike iji ya abụọ na ngwakọta nke agba mmiri. Ọrụ mgbanwe, izute ndị chọrọ ihe achọrọ maka ịgha mkpụrụ n'ime ihe nkiri dị egwu ma na-agbaze.
Oge Post: Nov-24-2022