Cellulose ethersbụ polymers soluble mmiri ewepụtara na cellulose, ndị kasị ukwuu polima na ọdịdị. N'ime ihe karịrị afọ 60, ngwaahịa ndị a dị iche iche arụwo ọrụ dị mkpa n'ọtụtụ ngwa, site na ngwaahịa ihe owuwu, ceramik na eserese na nri, ihe ịchọ mma na ọgwụ.
Maka ngwaahịa ihe owuwu ihe owuwu, ethers cellulose na-arụ ọrụ dị ka ndị na-ebu ibu, ndị na-ekekọta ihe, ndị na-eme ihe nkiri na ndị na-ejide mmiri. Ha na-arụkwa ọrụ dị ka ihe enyemaka nkwusioru, surfactants, lubricants, colloid nchebe na emulsifers. Na mgbakwunye, ngwọta mmiri nke ụfọdụ cellulose ethers thermally gel, ihe onwunwe pụrụ iche nke na-ekere òkè dị ukwuu na ihe ijuanya.
ngwa dị iche iche. Nke a bara uru Nchikota Njirimara adịghị ahụ na ihe ọ bụla ọzọ mmiri-soluble polima.
Eziokwu ahụ bụ na ọtụtụ ihe bara uru na-adị n'otu oge ma na-emekọ ihe ọnụ nwere ike ịbụ uru akụ na ụba dị ịrịba ama. N'ọtụtụ ngwa, a ga-achọ ihe abụọ, atọ ma ọ bụ karịa iji mee otu ọrụ nke otu ngwaahịa ether cellulose na-arụ. Na mgbakwunye, cellulose ethers na-arụ ọrụ nke ọma, mgbe mgbe
na-enye ọrụ kachasị mma na ntinye dị ala karịa nke achọrọ na polymers ndị ọzọ na-edozi mmiri.
Dow Construction Chemicals na-enye ọtụtụ ngwaahịa cellulosic, gụnyere methyl cellulose, hydroxyethyl cellulose na carboxymethyl cellulose. A na-ejikarị methyl cellulose ethers eme ihe maka ọtụtụ ngwa na ụlọ na ụlọ ọrụ ihe owuwu.
Chemistry nke Cellulose Ethers
Azụmahịa anyị na-enye cellulose ethers n'ụdị isi anọ:
1.Hydroxyethyl methyl cellulose (HEMC/MHEC)
2.Hydroxypropyl methyl cellulose (HPMC, MC)
3.Hydroxyethyl cellulose (HEC)
4.Carboxy methyl cellulose(CMC)
Ụdị abụọ a nwere azụ azụ polymeric nke cellulose, carbohydrate sitere n'okike nke nwere nhazi usoro ugboro ugboro nke nkeji anhydroglucose. N'oge a na-emepụta cellulose ethers, eriri cellulose na-ekpo ọkụ site na ngwọta caustic nke, n'aka nke ya, a na-eji methyl chloride, na propylene oxide ma ọ bụ ethylene oxide, na-emepụta hydroxypropyl methyl cellulose ma ọ bụ hydroxyethyl methyl cellulose, n'otu n'otu. A na-asachapụ ngwaahịa mmeghachi omume fibrous na ala ka ọ bụrụ ntụ ntụ dị mma.
Emebekwara ngwaahịa ndị nwere ọkwa pụrụ iche iji mezuo ihe achọrọ nke ụlọ ọrụ akọwapụtara.
Ngwaahịa ether cellulose anyị dị n'ụdị atọ dị iche iche: ntụ ntụ, ntụ ntụ na-edozi elu na granular. Ụdị ngwaahịa a na-emepụta na-emetụta mmetụta nke ụdị ịhọrọ. N'ọtụtụ ngwa ngwakọta akọrọ, a na-ejikarị ntụ ntụ na-adịghị edozi, ebe maka ngwa ngwa ngwa ngwa, nke a na-etinye ntụ ntụ cellulosic ozugbo na mmiri, ntụ ntụ na-edozi elu ma ọ bụ ụdị granular na-ahọrọ.
Njirimara izugbe
Ngwongwo izugbe nke ethers cellulose anyị na-edepụtara ebe a. Ngwaahịa dị iche iche na-egosipụta njirimara ndị a na ogo dị iche iche ma nwee ike inwe
additional properties desirable for specific applications. For more information, email at sales@kimachemical.com .
| Ngwongwo | Nkọwa | Uru |
| Njide | Ejiri ya dị ka ihe eji arụ ọrụ dị elu maka ihe fber-ciment extruded | Ike ndụ ndụ |
| Emulsifcation | Mee ka emulsions guzosie ike site na ibelata esemokwu ihu na ihu na site na | Nkwụsi ike |
| Nhazi ihe nkiri | Mepụta flms dị ọcha, siri ike, na-agbanwe agbanwe nke mmiri na-agbaze | • Ihe mgbochi dị mma na mmanụ na griiz |
| mmanu mmanu | Na-ebelata esemokwu na extrusion ciment; na-eme ka ihe eji arụ ọrụ aka rụọ ọrụ | • Mma pumpability nke ihe, igwe grouts na ịgba |
| Nonionic | Ngwaahịa enweghị ụgwọ ionic | • Ọ gaghị adị mgbagwoju anya na nnu dara ma ọ bụ ụdị ionic ndị ọzọ na-etolite |
| Solubility (organic) | Soluble na ọnụọgụ abụọ organic na organic mgbaze/mmiri maka ụdị ahọpụtara na akara ule | Nchikota pụrụ iche nke organic solubility na mmiri solubility |
| Solubility (mmiri) | • Enwere ike ịgbakwunye ngwaahịa ndị a na-edozi ihu / granular ozugbo na mmiri mmiri | • Mfe nke mgbasa na mgbasa |
| pH kwụsie ike | Stable karịa pH nke 2.0 ruo 13.0 | • nkwụsi ike viscosity |
| Ọrụ elu | • Mee dị ka surfactants na aqueous ngwọta | • emulsifcation |
| Nkwusioru | Na-achịkwa nhazi nke irighiri ihe siri ike na sistemu mmiri | • Mgbochi nhazi nke mkpokọta ma ọ bụ pigmenti |
| Thermal gelation | Na-abịa na ngwọta mmiri nke methyl cellulose ethers mgbe ọ dị ọkụ karịa otu okpomọkụ | • Ngwongwo edobere ngwa ngwa Gel na-alaghachi na ngwọta mgbe jụrụ oyi |
| Na-ejupụta | Ọnụ ọgụgụ dị ukwuu nke molekụla maka ịgbanye sistemu mmiri dabere | • nso nke rheological profles |
| Njide mmiri | Onye na-ejigide mmiri dị ike; na-edobe mmiri n'ime usoro a haziri ahazi | • Na-arụ ọrụ nke ọma |
Adhesives Tile dabere na ciment
Ngwaahịa anyị na-enyere aka ịrụ ọrụ ngwa agha dị mkpa site na njide mmiri yana ịrụ ọrụ pseudoplastic rheological. Nweta ude na ịdị mfe ịrụ ọrụ na nkwụsi ike, njigide mmiri dị elu, imezi wetting na tile, ọmarịcha oge oghere na oge mgbanwe, na ndị ọzọ.
Tile Grouts
Cellulose ethers na-arụ ọrụ dị ka njide mmiri na nkwusioru enyemaka. Chọpụta arụmọrụ dị mfe, ezigbo mmachi n'akụkụ taịlị, mbelata dị ala, nguzogide abrasion dị elu, ịdị mma siri ike na njikọta, na ndị ọzọ.
Ngosipụta nke onwe
Cellulosics na-enye njide mmiri na mmanu iji meziwanye mmiri na mgbapụta, belata nkewa na ihe ndị ọzọ.
Mortars maka EIFS/Skim Coat
Wepụta mmetụ mmecha zuru oke na arụ ọrụ ka mma, nkwụsi ike ikuku ikuku, nrapado, njide mmiri na ihe ndị ọzọ.
Plasta dabeere na ciment
Wepụta arụmọrụ ka mma site na nguzogide sag dị mma, ịrụ ọrụ, oge oghere, nkwụsi ike ikuku, nrapagide, njide mmiri, mkpụrụ na ihe ndị ọzọ.
Ihe eji arụ ụlọ dabere na gypsum
Na-ebuga nsonaazụ njedebe achọrọ nke elu dị larịị, ọbụna na nke na-adịgide adịgide na njirimara ngwaahịa na-agbanwe agbanwe na njirimara arụmọrụ dị mkpa.
Simenti na ciment-Fiber Extruded Materials
Belata esemokwu ma nye mmanu iji nyere aka na extrusion na usoro nhazi ndị ọzọ.
Sistemụ dabere na Latex (Njikere iji)
Ogo nke viscosity dị iche iche na-enye ezigbo ọrụ, ike ọgwụgwụ na-egbu oge, oge imeghe, oge mgbanwe na ihe ndị ọzọ.
Oge nzipu: Nov-13-2018