1. Àgwà dị iche iche
Hydroxypropyl methylcellulose: na-acha ọcha ma ọ bụ na-acha ọcha fibrous ma ọ bụ granular ntụ ntụ, nke dị iche iche nke na-abụghị ionic cellulose agwakọta ethers.Ọ bụ ọkara sịntetik, anaghị arụ ọrụ, polymer viscoelastic.
Hydroxyethyl cellulose: (HEC) bụ ọcha ma ọ bụ ìhè edo edo, enweghị isi, fibrous na-adịghị egbu egbu ma ọ bụ powdered siri ike, kwadebere site etherification nke alkaline cellulose na ethylene oxide (ma ọ bụ chloroethanol).Ọ bụ nke cellulose ethers soluble na-abụghị ionic.
2. Ojiji dị iche iche
Hydroxypropyl methylcellulose: A na-eji ya dị ka thickener, dispersant na stabilizer na mkpuchi ụlọ ọrụ, na nwere ezigbo ndakọrịta na mmiri ma ọ bụ organic solvents.Dị ka ihe na-ewepụ agba;dị ka onye na-ekesa na mmepụta nke polyvinyl chloride, ọ bụ isi ihe inyeaka maka nkwadebe nke PVC site na nkwusioru polymerization;a na-ejikwa ya na akpụkpọ anụ, ngwaahịa akwụkwọ, nchekwa mkpụrụ osisi na akwụkwọ nri na ụlọ ọrụ textiles.
Hydroxyethyl cellulose: eji dị ka nrapado, surfactant, colloidal na-echebe gị n'ụlọnga, dispersant, emulsifier na dispersion stabilizer, wdg O nwere ọtụtụ ngwa ngwa na coatings, inks, eriri, dyeing, papermaking, ntecha, pesticides, ịnweta nhazi, mmanụ mmịpụta. na ọgwụ.
3. Solubility dị iche iche
Hydroxypropyl methylcellulose: Ọ fọrọ nke nta ka ọ ghara ịsacha ya na ethanol zuru oke, ether, na acetone;ọ zara n'ime ngwọta colloidal doro anya ma ọ bụ dịtụ turbid na mmiri oyi.
Hydroxyethyl cellulose: nwere Njirimara nke ndim, nkwusioru, bonding, emulsifying, dispersing, na idowe mmiri mmiri.Enwere ike ịkwadebe ngwọta nwere oke viscosity dị iche iche.Ọ nwere oke nnu solubility na electrolytes.
Hydroxypropyl methylcellulose (HPMC) Njirimara anụ ahụ na kemịkal:
1. Ọdịdị: MC na-acha ọcha ma ọ bụ ihe fọrọ nke nta ka ọ bụrụ ọcha fibrous ma ọ bụ ntụ ntụ granular, enweghị isi.
2. Ngwongwo: MC fọrọ nke nta ka ọ ghara ịsọpụ na ethanol zuru oke, ether na acetone.Ọ na-agbasa na zaa ngwa ngwa na mmiri ọkụ na 80 ~ 90 ℃, na agbaze ngwa ngwa mgbe obi jụrụ.Ngwọta mmiri na-esiwanye ike na ụlọ okpomọkụ ma nwee ike gel na okpomọkụ dị elu, gel nwere ike gbanwee na ngwọta na okpomọkụ.Ọ nwere magburu onwe wettability, dispersibility, adhesion, ndim, emulsification, mmiri njigide na film-akpụ Njirimara, nakwa dị ka impermeability griiz.Ihe nkiri a kpụrụ akpụ nwere ezigbo ike, mgbanwe na nghọta.N'ihi na ọ bụghị ionic, ọ nwere ike dakọtara na emulsifiers ndị ọzọ, mana ọ dị mfe ịpụpụ nnu na ngwọta ahụ kwụsiri ike na nso nke PH2-12.
3. Njupụta pụtara ìhè: 0.30-0.70g / cm3, njupụta dị ihe dịka 1.3g / cm3.
2. Usoro mgbasa:
The MC ngwaahịa na-agbakwunyere ozugbo na mmiri, ọ ga agglomerate na mgbe igbari, ma nke a mgbasa bụ nnọọ ngwa ngwa na siri ike.A na-atụ aro ụzọ atọ mgbasa atọ na-esonụ, na onye ọrụ nwere ike họrọ kasị adaba usoro dị ka ojiji ọnọdụ:
1. Usoro mmiri ọkụ: Ebe ọ bụ na MC adịghị agbaze na mmiri ọkụ, MC nwere ike gbasaa na mmiri ọkụ na mbido mbụ.Mgbe emechara ka ọ dị jụụ, a na-akọwa ụzọ abụọ a na-ahụkarị dị ka ndị a:
1).Tinye mmiri ọkụ achọrọ n'ime akpa ahụ wee kpoo ya ihe dịka 70 Celsius.Jiri nwayọ tinye MC n'okpuru mkpasu iwe nwayọ, bido sere n'elu mmiri, wee jiri nwayọ mepụta slurry, wee mee ka slurry dị jụụ n'okpuru mkpasu iwe.
2).Tinye 1/3 ma ọ bụ 2/3 nke mmiri achọrọ n'ime akpa wee kpoo ya ọkụ ruo 70 ℃.Soro usoro nke 1) ka chụsasịa MC iji kwadebe mmiri ọkụ ọkụ slurry;wee tinye nke fọdụrụ ego nke mmiri oyi ma ọ bụ ice mmiri n'ime mmiri ọkụ slurry, jụụ ngwakọta mgbe edemede.
2. Powder mixing method: Mix MC powder particles na nha nha ma ọ bụ buru ibu nke ihe ndị ọzọ na-emepụta ntụ ntụ iji gbasaa ha n'ụzọ zuru ezu site na ngwakọta akọrọ, wee tinye mmiri ka igbari, mgbe ahụ, MC nwere ike gbazee na-enweghị agglomerating.
3. Organic mgbaze wetting usoro: tupu-achụsasị ma ọ bụ moisten MC na organic mgbaze, dị ka ethanol, ethylene glycol ma ọ bụ mmanụ, na mgbe ahụ tinye mmiri igbari, mgbe MC nwekwara ike-etisasịwo were were n'oge a.
3. Ebumnuche:
A na-eji ngwaahịa a n'ọtụtụ ebe na-ewu ụlọ, ihe owuwu ụlọ, mkpuchi na-agbasasị, akwụkwọ ahụaja pastes, polymerization additives, paint removers, akpụkpọ anụ, ink, akwụkwọ, wdg dị ka thickeners, adhesives, mmiri na-ejigide mmadụ, film-akpụ mmadụ, Excipients, wdg Dịka ọmụmaatụ, a na-eji ya dị ka ihe nkedo, ihe na-ekpuchi mmiri na mmiri na-eji ihe eji arụ ụlọ, dị ka onye na-emepụta ihe nkiri na onye na-emepụta ihe na ụlọ ọrụ mkpuchi, a na-ejikwa ya na mpaghara ndị dị ka mkpọpu mmanụ na ụlọ ọrụ kemịkalụ kwa ụbọchị. .
Njirimara anụ ahụ na kemịkal nke methyl cellulose (MC):
3. Ọdịdị: MC dị ọcha ma ọ bụ ihe fọrọ nke nta ka ọ bụrụ ọcha fibrous ma ọ bụ ntụ ntụ granular, enweghị isi.
Njirimara: MC fọrọ nke nta ka ọ ghara ịsacha ya na ethanol zuru oke, ether na acetone.Ọ na-agbasa na zaa ngwa ngwa na mmiri ọkụ nke 80 ~ 90> ℃, na dissolves ngwa ngwa mgbe obi jụrụ.Aqueous ngwọta bụ nnọọ ike na nkịtị okpomọkụ na ike gel na elu okpomọkụ, na gel nwere ike ịgbanwe na ngwọta na okpomọkụ.Ọ nwere magburu onwe wettability, dispersibility, adhesion, ndim, emulsification, mmiri njigide na film-akpụ Njirimara, nakwa dị ka impermeability griiz.Ihe nkiri a kpụrụ akpụ nwere ezigbo ike, mgbanwe na nghọta.N'ihi na ọ bụghị ionic, ọ nwere ike dakọtara na emulsifiers ndị ọzọ, mana ọ dị mfe ịpụpụ nnu na ngwọta ahụ kwụsiri ike na nso nke PH2-12.
1.Parent njupụta: 0.30-0.70g / cm3, njupụta bụ banyere 1.3g / cm3.
Na-apụta.Usoro mgbasa:
MC> A na-agbakwunye ngwaahịa ahụ na mmiri, ọ ga-agbaze wee gbazee, mana mgbasa a na-adị ngwa ngwa ma sie ike.A na-atụ aro ụzọ mgbasa atọ ndị a, ndị ọrụ nwere ike họrọ usoro kachasị adaba dịka ọnọdụ ojiji siri dị:
1. Usoro mmiri ọkụ: Ebe ọ bụ na MC adịghị agbaze na mmiri ọkụ, MC nwere ike gbasaa na mmiri ọkụ na mbido mbụ.Mgbe emechara ka ọ dị jụụ, a na-akọwa ụzọ abụọ a na-ahụkarị dị ka ndị a:
1).Tinye mmiri ọkụ achọrọ n'ime akpa ahụ wee kpoo ya ihe dịka 70 Celsius.Jiri nwayọ tinye MC n'okpuru mkpasu iwe nwayọ, bido sere n'elu mmiri, wee jiri nwayọ mepụta slurry, wee mee ka slurry dị jụụ n'okpuru mkpasu iwe.
2).Tinye 1/3 ma ọ bụ 2/3 nke mmiri achọrọ n'ime akpa wee kpoo ya ruo 70 Celsius.Soro usoro na 1) ka chụsasịa MC iji dozie slurry mmiri ọkụ;wee tinye nke fọdụrụ ego nke mmiri oyi ma ọ bụ ice mmiri n'ime mmiri ọkụ slurry, jụụ ngwakọta mgbe edemede.
Usoro ngwakọta ntụ ntụ: akọrọ agwakọta MC ntụ ntụ na nha nha ma ọ bụ buru ibu nke ihe ndị ọzọ na-eme ntụ ntụ iji chụsasịa ha kpamkpam, wee tinye mmiri ka igbari ha, mgbe ahụ, enwere ike ịgbaze MC n'enweghị agglomeration.
3. Organic mgbaze wetting usoro: fesaa ma ọ bụ moisten MC na organic mgbaze, dị ka ethanol, ethylene glycol ma ọ bụ mmanụ, na mgbe tinye mmiri igbari ya.Mgbe ahụ MC nwekwara ike agbaze were were.
Ise.Ebumnuche:
A na-eji ngwaahịa a n'ọtụtụ ebe na-ewu ụlọ, ihe owuwu ụlọ, mkpuchi na-agbasasị, akwụkwọ ahụaja pastes, polymerization additives, paint removers, akpụkpọ anụ, ink, akwụkwọ, wdg dị ka thickeners, adhesives, mmiri na-ejigide mmadụ, film-akpụ mmadụ, Excipients, wdg Dịka ọmụmaatụ, a na-eji ya dị ka ihe nkedo, ihe na-ekpuchi mmiri na mmiri na-eji ihe eji arụ ụlọ, dị ka onye na-emepụta ihe nkiri na onye na-emepụta ihe na ụlọ ọrụ mkpuchi, a na-ejikwa ya na mpaghara ndị dị ka mkpọpu mmanụ na ụlọ ọrụ kemịkalụ kwa ụbọchị. .
1. Ụlọ ọrụ na-ewu ihe: Dị ka onye na-ejigide mmiri na retarder nke ciment mortar, ọ na-eme ka ngwa ngwa na-agbapụta.A na-eji ya dị ka ihe nkedo na plasta, plasta, putty powder ma ọ bụ ihe ụlọ ndị ọzọ iji kwalite mgbasa na ịgbatị oge ọrụ.Enwere ike iji ya mado taịlị seramiiki, mabụl, ihe ịchọ mma rọba, ihe nkwalite mado, ma nwee ike belata ọnụ ọgụgụ ciment.Njirimara njide mmiri nke HPMC na-egbochi slurry ka ọ ghara ịgbawa n'ihi ihicha ngwa ngwa mgbe etinyere ya, ma welie ike mgbe ọ gbasasịrị.
2. Ụlọ ọrụ mmepụta ihe seramiiki: a na-ejikarị eme ihe dị ka onye na-ekekọta ihe na-emepụta ngwaahịa seramiiki.
3. Ụlọ ọrụ agba: Dị ka onye na-agba agba, na-ekesa na stabilizer na ụlọ ọrụ agba, ọ nwere ezigbo ndakọrịta na mmiri ma ọ bụ ihe mgbaze organic.Dị ka ihe na-ewepụ agba.
4. Mbipụta ink: Dị ka onye na-agba agba, na-ekesa na stabilizer na ụlọ ọrụ ink, ọ nwere ezigbo ndakọrịta na mmiri ma ọ bụ ihe mgbaze organic.
5. Plastics: eji mee ihe dị ka ihe ntọhapụ ebu, ihe nro, lubricants, wdg.
6. Polyvinyl chloride: A na-eji ya dị ka onye na-ekesa na mmepụta nke polyvinyl chloride na bụ isi ihe inyeaka maka nkwadebe nke PVC site na nkwụsịtụ polymerization.
7. Ndị ọzọ: A na-ejikwa ngwaahịa a na akpụkpọ anụ, ngwaahịa akwụkwọ, nchekwa mkpụrụ osisi na akwụkwọ nri na ụlọ ọrụ textiles.
8. Ụlọ ọrụ na-emepụta ọgwụ: ihe mkpuchi;ihe nkiri;ihe na-achịkwa ihe ndị na-emepụta ihe na-emepụta ihe na-emepụta ihe na polymer maka nkwadebe ngwa ngwa;stabilizers;ndị ọrụ nkwụsị;mbadamba mbadamba;thickeners.Ihe ize ndụ ahụike: ngwaahịa a dị mma na nke na-adịghị egbu egbu, a pụkwara iji ya mee ihe dị ka ihe mgbakwunye nri , Ọ dịghị okpomọkụ, ọ dịghị mkpasu iwe na kọntaktị akpụkpọ anụ na akpụkpọ anụ mucous.A na-ewerekarị dị ka nchekwa (FDA1985), ihe a na-anabata kwa ụbọchị bụ 25mg/kg (FAO/WHO 1985), na a ga-eyi ngwa nchebe mgbe a na-arụ ọrụ.
Mmetụta gburugburu: Zenarị ịtụba ihe na-enweghị ihe ọ bụla iji kpata mmetọ ikuku site na uzuzu na-efe efe.
Ihe ize ndụ anụ ahụ na kemịkal: Zenarị kọntaktị na isi ọkụ, ma zere ịmepụta nnukwu uzuzu na gburugburu ebe mechiri emechi iji gbochie ihe egwu mgbawa.
A na-eji ihe a eme ihe naanị dị ka ihe na-agba agba, nke na-adịghị mma maka akpụkpọ ahụ.
Oge nzipu: Nov-24-2021