Indasitiri yekuongorora ye cellulose ether

Cellulose ether (cellulosic ether) inogadzirwa ne cellulose ne etherification reaction uye kuomeswa kwehupfu hweimwe kana akati wandei etherifying agents.Zvinoenderana neakasiyana kemikari chimiro cheether substituent, cellulose ether inogona kupatsanurwa kuita anionic, cationic uye isiri-ionic ether.Ionic cellulose ether kunyanya carboxymethyl cellulose ether (CMC);Non-ionic cellulose ether kunyanya methyl cellulose ether (MC), hydroxypropyl methyl cellulose ether (HPMC) uye hydroxyethyl cellulose ether (HC).Non-ionic ether yakakamurwa kuva ether-soluble ether uye ether-soluble ether, kwete-ionic mvura-soluble ether inonyanya kushandiswa muzvigadzirwa zvematope.Muhupo hwe calcium ions, ionic cellulose ether haina kugadzikana, saka haiwanzo kushandiswa mune yakaoma yakasanganiswa dhaka zvigadzirwa ne simenti, hydrated lime uye zvimwe simende zvinhu.Non-ionic mvura-soluble cellulose ether inoshandiswa zvakanyanya muindasitiri yezvivakwa zvekuvaka nekuda kwekudzikama kwayo uye kuchengetwa kwemvura.

1. Chemical properties ye cellulose ether

Imwe neimwe cellulose ether ine hwaro hwechimiro che cellulose - iyo yakasvibiswa glucose chimiro.Mukugadzira cellulose ether, iyo cellulose faibha inopisa mumushonga wealkaline kutanga, wozobatwa ne etherifying agent.Iyo fibrous reaction product inonatswa uye inogayiwa kuita hupfu hwakafanana nehumwe hunyoro.

Mukugadzirwa kweMC, methane chloride chete ndiyo inoshandiswa se etherifying agent.HPMC kugadzirwa kuwedzera kushandisa methane chloride, asiwo kushandisa propylene oxide kuwana hydroxypropyl substituent boka.Akasiyana-siyana cellulose ethers ane akasiyana methyl uye hydroxypropyl substitution rates, ayo anokanganisa kunyungudika kwe cellulose ethers uye zvimiro zvekupisa gel tembiricha.

2. Mamiriro ekushandiswa kwe cellulose ether

Cellulose ether isiri-ionic semi-synthetic polymer, mvura-inonyungudika uye inonyungudika maviri, mumaindasitiri akasiyana anokonzerwa nebasa akasiyana, senge mumakemikari ekuvaka zvinhu, ine inotevera musanganiswa mhedzisiro:

① mvura inochengeta mumiririri ② inokora mumiriri ③ kuenzana ④ kugadzira firimu ⑤ binder

MuPVC indasitiri, iri emulsifier, dispersant;Muindasitiri yemishonga, imhando yebhainda uye inononoka kuburitsa skeleton zvinhu, nekuti cellulose ine zvakasiyana-siyana zvinoumba mhedzisiro, saka ndiyo inonyanya kushandiswa ndima.Izvi zvinotevera zvinotarisa kushandiswa kwe cellulose ether mune zvakasiyana-siyana zvekuvaka uye basa.

(1) Mune latex pendi:

Mumutsara wependi ye latex, kusarudza hydroxyethyl cellulose, iyo yakajairika ye viscosity ndeye RT3000-50000cps, inoenderana neHBR250 zvakatemwa, iyo referensi dosage inowanzo 1.5 ‰ -2 ‰.Basa guru re hydroxyethyl mu latex pendi ndere kukora, kudzivirira pigment gelation, kubatsira mukupararira kwe pigment, latex, kugadzikana, uye inogona kuvandudza viscosity yezvikamu, inobatsira pakuita kwekugadzirisa kwekuvaka: Hydroxyethyl cellulose iri nyore kushandisa, zvose mvura inotonhora uye inopisa inogona kunyungudutswa, uye haina kukanganiswa nePH kukosha.Inogona kushandiswa zvakachengeteka pakati pePH kukosha 2 uye 12. Nzira nhatu dzinotevera dzinoshandiswa: Nokuda kweiyi nzira, kunonoka hydroxyethyl cellulose ine nguva yekuparara kwemaminetsi anopfuura makumi matatu inofanira kusarudzwa.Maitiro acho ndeaya anotevera: (1) kuve nepamusoro kunofanira kucheka blender mudziyo kuwanda mvura yakachena (2) simba remukati revanhu rakatanga kusanganisa-kumhanya-mhanya, yunifomu yehydroxyethyl zvishoma nezvishoma panguva imwe chete kuti vabatane mumhinduro ye (3) ramba uchikurudzira kusvikira zvinhu zvose zvakanyorova zvegranular (4) kuti ubatanidze zvimwe zvinowedzera uye alkaline additives (5) fambisa kusvikira yanyunguduka zvachose hydroxyethyl yose, wedzera zvimwe zvikamu zvemushonga, uchikuya kune chigadzirwa chapera.ⅱ, nekushandisa kwaamai doro mumba: nzira iyi inogona kusarudza mhando yekukurumidza, uye ine mhedzisiro ye mildew proof cellulose.Kubatsira kweiyi nzira kuve neyakakura kuchinjika, inogona kujoinha emulsioni pendi yakananga mukati, kugadzira nzira yakafanana ne ①-④ nhanho yakafanana.ⅲ, ine porridge yekushandisa: nekuti organic zvinonyungudutsa zvakaipa zvinonyungudutsa zvehydroxyethyl (insoluble) saka unogona kushandisa zvinonyungudutsa izvi kugadzira porridge.Iyo inonyanya kushandiswa organic solvents ndeye organic zvinwiwa mu latex pendi magadzirirwo, senge ethylene glycol, propylene glycol uye mafirimu ekugadzira ma agents (akadai sediethylene glycol butyl acetate), porridge hydroxyethyl cellulose inogona kuwedzerwa zvakananga kupende, mushure mekuwedzera, ramba uchikurunga kusvikira yapera zvachose.

(2) Kukwenya madziro putty:

Parizvino, China iri mune yakawanda yeguta rekudzivirira kwemvura, kuramba swab yekuchengetedzwa kwezvakatipoteredza putty kwakatorwa zvakanyanya nevanhu, mumakore mashoma apfuura, nekuti iyo putty yakagadzirwa nekuvaka glue inovhenekera formaldehyde gasi kukuvadza kune hutano hwevanhu, chivakwa. glue inogadzirwa ne polyvinyl doro uye formaldehyde acetal reaction.Saka chinhu ichi chinopedzwa zvishoma nezvishoma nevanhu, uye kutsiviwa kwechinhu ichi ndeye cellulose ether yakatevedzana yezvigadzirwa, ndiko kuti, kuvandudzwa kwekuchengetedzwa kwezvakatipoteredza zvekuvakisa, cellulose ndiyo chete mhando yezvinhu parizvino.Mumvura inodzivirira putty yakakamurwa kuita yakaoma poda putty uye putty paste marudzi maviri, iwo marudzi maviri eputty anowanzo sarudza modified methyl cellulose uye hydroxypropyl methyl marudzi maviri, viscosity specification inowanzo mu 3000-60000cps pakati pezvakakodzera, mubasa guru re cellulose mu putty kuchengetedza mvura, kubatanidza, lubrication uye zvimwe zvinokonzeresa.Nekuti iyo putty formula yemugadziri wega wega haina kufanana, mamwe ane grey calcium, light calcium, chena simende, mamwe ari gypsum powder, grey calcium, light calcium, nezvimwewo, saka iyo speciation viscosity uye infiltration yehuwandu hwe cellulose yemafomu maviri aya. hazvina kufanana, huwandu hwekuwedzera ndeye 2 ‰ -3 ‰ kana zvakadaro.Mukubhowa madziro anofinhwa nekuvaka kwevana, chigadziko chemadziro chine zvimwe zvinonyudza (madziro ezvidhina eiyo bibulous rate yaive 13%, kongiri iri 3-5%), pamwe nekubuda kwemhepo yekunze, saka kana uchifinhwa nemwana. kurasikirwa kwemvura nekukurumidza, kwaizotungamira mukutsemuka kana chiitiko chakadai semukume, kuitira kuti simba reputty ripere simba, saka, mushure mekujoinha cellulose ether ichagadzirisa dambudziko iri.Asi kunaka kwekuzadza zvinhu, kunyanya kunaka kwegrey calcium kwakakoshawo zvakanyanya.Nekuda kweiyo high viscosity ye cellulose, inowedzerawo buoyancy ye putty, uye inodzivirira chiitiko chekuyerera ichirembera mukuvaka, uye inonyanya kugadzikana uye kuponesa basa mushure mekukwesha.Muupfu putty, cellulose ether inofanirwa kuwedzerwa zvakakodzera kune fekitori poindi, kugadzirwa kwayo, kushandiswa kuri nyore, kuzadza zvinhu uye yekubatsira yakaoma poda inogona kusanganiswa zvakaenzana, kuvaka kuri nyore, nzvimbo yekugovera mvura, yakawanda sei nemari yakawanda.

(3) Dongo rekongiri:

Mune dhaka rekongiri, rinowana simba rekupedzisira, rinofanira kuita kuti simende hydration iite zvachose, kunyanya muzhizha, mukuvakwa kwekongiri yedhaka kurasikirwa kwemvura nekukurumidza, matanho akazara hydrated pakurapa mvura, nzira iyi kutambisa chitubu chemvura uye. kushanda kusingafadzi, kiyi ingori pamusoro, mvura uye hydration haisati yakwana, saka nzira dzekugadzirisa dambudziko iri, Wedzera masere masere ekuchengetedza mvura agent cellulose mudhaka kongiri kusarudza hydroxypropyl methyl kana methyl cellulose, viscosity yakatarwa mu20000- 60000cps pakati, wedzera 2% -3%.Inenge, iyo mvura yekuchengetedza mwero inogona kuwedzerwa kusvika kune anopfuura 85%, mudhaka kongiri yekushandisa nzira yeupfu yakaoma yakaenzana yakasanganiswa mushure memuromo mumvura inogona kuva.

(4)Gypsumplaster, bonding plaster, caulking plaster:

Nekukurumidza kusimukira kweindasitiri yekuvaka, kudiwa kwevanhu kwezvinhu zvitsva zvekuvaka kuri kuwedzerawo zuva nezuva, nekuda kwekuwedzera kwekuziva kwevanhu nezvekuchengetedzwa kwezvakatipoteredza uye kuenderera mberi kwekuvandudzwa kwehunyanzvi hwekuvaka, zvigadzirwa zvesimende zvegypsum zvave kukurumidza kukura.Parizvino iyo commonnest gesso goods ine stucco gesso, caking gesso, set gesso, tile caking agent yekumirira.Plastering plaster imhando yemhando yakanaka yemukati madziro uye denga plastering zvinhu, nazvo pukuta madziro akatetepa uye akatsetseka, usadonhedze hupfu uye base bond zvakasimba, hapana kuputika kwechiitiko, uye ine basa rekudzivirira moto;Adhesive gypsum imhando nyowani yekuvaka mwenje bhodhi rinonamira, gypsum sechinhu chepasi, pamwe nemhando dzakasiyana dzekuwedzera simba remuromo mumiriri wakagadzirwa neadhesive material, inokodzera marudzi ese ezvivakwa zvekuvaka madziro pakati pechisungo, chisina-chepfu. , isina kunaka, simba rekutanga rinokurumidza kugadzika, kusungirirana ibhodhi rekuvaka, bhuroka rekuvaka rinotsigira zvinhu;Gypsum seam inozadza mumiriri ndeye gypsum ndiro pakati peiyo gap yekuzadza zvinhu uye madziro, kupaza kugadzirisa kuzadza.Izvi zvigadzirwa zvegypsum zvine huwandu hwemabasa akasiyana, kuwedzera kune gypsum uye zvine hukama mafirita kuita basa, nyaya yakakosha ndeye yakawedzera cellulose ether additives inoita basa rinotungamira.Nekuti gesso yakakamurwa ine isina mvura gesso uye sendi yehafu yemvura gesso, gesso yakasiyana yakasiyana nekuita kwechigadzirwa, wedzera gobvu, chengetedza mvura, unonoke coagulate kunaka kunosarudza gesso zvekuvakisa.Dambudziko rinowanzoitika rezvishandiso izvi igubhu rinoputika, simba rekutanga harina kusvika, kugadzirisa dambudziko iri, nderekusarudza rudzi rweselulosi uye retarder komputa yekushandisa nzira dambudziko, mune izvi, sarudzo yakajairika yemethyl kana hydroxypropyl methyl. 30000-60000cps, kuwedzera huwandu 1.5% - 2%.Pakati, iyo yakatarisana ne cellulose ndeye kuchengetedza mvura uye inononoka condensation lubrication.Zvisinei, mune izvi kuvimba cellulose eteri sezvo retarder haina kusvika, inofanirawo kuwedzera citric acid retarder mushure mekushandiswa kwakavhenganiswa hakuzokanganisa simba rekutanga.Mwero wekuchengetedza mvura kazhinji unoreva kuwanda kwekurasikirwa kwemvura kwechisikigo mukushaikwa kwekutorwa kwemvura kunze.Kana rusvingo rwakaoma, nzvimbo yepasi inotora mvura uye kubuda kwechisikigo kunoita kuti zvinhu zvirasikirwe nemvura nekukurumidza, uye pachavawo nedhiramu isina chinhu uye chiitiko chinoputika.Iyi nzira yekushandiswa ndeyekusanganisa poda yakaoma, kana kugadzirira kwekugadzirisa kunogona kureva nzira yekugadzirira yekugadzirisa.

(5) Insulation mortar

Thermal insulation mortar imhando nyowani yemukati madziro emafuta ekudzivirira zvinhu kuchamhembe kweChina.Icho chinhu chemadziro chakagadzirwa ne thermal insulation material, dhaka uye binder.Mune ino chinyorwa, cellulose inoita basa rakakosha mukubatanidza uye kuwedzera simba.Kazhinji, methyl cellulose ine yakakwira viscosity (inenge 10000eps) inosarudzwa, uye iyo dosi kazhinji iri pakati pe2 ‰ uye 3 ‰.Nzira yekushandiswa ndiyo yakaoma poda kusanganisa.

(6) interface mumiririri

Iyo interface mumiriri ndeye HPMC200000cps, iyo tile binder inopfuura 60000cps, uye iyo interface mumiriri inonyanya kushandiswa seyakakora, iyo inogona kuvandudza simba rekusimba uye simba remuseve.Mune tile yekubatanidza mvura yekuchengetedza mumiriri kudzivirira tile kubva pakurasikirwa nemvura nekukurumidza kudonha.

3. Industrial cheni

(1) Indasitiri yepamusoro

Zvinhu zvikuru zvekugadzira cellulose ether zvinosanganisira donje rakanatswa (kana pulp yehuni) uye mamwe makemikari anonyungudutsa, akadai sepropylene oxide, chloromethane, liquid alkali, tablet alkali, ethylene oxide, toluene nezvimwe zvinhu zvinobatsira.Iwo mabhizinesi ekumusoro eindastiri iyi anosanganisira rakanatswa donje, huni pulp kugadzira mabhizinesi uye mamwe mabhizinesi emakemikari.Kuchinja-chinja kwemutengo wezvinhu zvakasvibiswa zvataurwa pamusoro apa zvichava nemigumisiro yakasiyana pamutengo wekugadzira uye mutengo wekutengesa we cellulose ether.

Mutengo wekotoni wakanatswa wakanyanya kukwirira.Kutora zvekuvaka giredhi cellulose ether semuenzaniso, panguva yekubika, chikamu cheyakanatswa donje mutengo muzvivakwa zvekuvaka giredhi cellulose ether mutengo wekutengesa waive 31.74%, 28.50%, 26.59% uye 26.90%, zvichiteerana.Kuchinja kwemutengo wekotoni yakanatswa kuchakanganisa mutengo wekugadzira cellulose ether.Chigadzirwa chikuru chekugadzira donje rakanatswa ikotoni huru.Cotton staple ndechimwe chezvakagadzirwa mukugadzira donje, rinonyanya kushandiswa kugadzira donje pulp, rakanatswa donje, nitrocellulost uye zvimwe zvigadzirwa.Iko kukosha kwekushandisa uye kushandiswa kwekotoni staple yakasiyana neiyo yekotoni, uye mutengo wayo uri pachena wakaderera pane wekotoni, asi ine kumwe kuwirirana nekushanduka kwemutengo wekotoni.Kuchinja kwemutengo wekotoni staple kuchakanganisa mutengo wecotton yakanatswa.

Kuchinja kwechisimba kwemutengo wedonje wakanatswa kuchakanganisa mutengo wekugadzira, mitengo yechigadzirwa uye pundutso yemabhizinesi muindastiri ino kusvika kumadhigirii akasiyana.Panyaya yemutengo wedonje wakanatswa uye mutengo wehuni wakachipa, kuti uderedze mutengo, pulp yehuni inogona kushandiswa seyakanatswa donje inotsiva uye yekuwedzera, inonyanya kushandiswa kugadzira yekurapa chikafu giredhi cellulose ether uye imwe yakaderera viscosity. cellulose ether.Muna 2013, China yakadyara mahekita 4,35 miriyoni edonje uye yakagadzira matani 6.31 miriyoni edonje, maererano newebhusaiti yeNational Bureau of Statistics.Zvinoenderana nenhamba dzeChina Cellulose Indasitiri Association, muna 2014, huwandu hwakazara hwedonje rakanatswa remabhizinesi makuru ekugadzira donje rakanatswa aive matani mazana matatu nemakumi matatu nemazana maviri, aine zvakawanda zvekushandisa.

(2) cellulose ether downstream indasitiri mamiriro

Cellulose ether se "industrial MONOsodium glutamate", cellulose ether inowedzera chikamu chakaderera, zvakasiyana-siyana zvekushandiswa, maindasitiri epasi akapararira mumararamiro ose ehupfumi hwenyika.

Mumamiriro ezvinhu akajairwa, iyo indasitiri yekuvaka yepasi uye real estate indasitiri ichave nemhedzisiro pakukura kwekudiwa kwezvinhu zvekuvaka giredhi cellulose ether.Kana iyo indasitiri yekuvaka mudzimba uye real estate indasitiri yekukura inokurumidza, musika wepamba wezvigadzirwa zvekuvaka giredhi cellulose ether inodiwa kukura kwekukura nekukurumidza.Kana huwandu hwekukura kweindasitiri yekuvaka yedzimba uye indasitiri yezvivakwa yadzikira, kukura kweiyo kudiwa kwezvinhu zvekuvaka giredhi cellulose ether mumusika wepamba inodzikira, zvichiita kuti makwikwi muindasitiri awedzere, uye nekumhanyisa kupona. yeakakodzera maitiro emabhizinesi muindasitiri.

Kubva 2012, pasi pemamiriro ekudzikira kukura kweindasitiri yekuvaka yedzimba uye indasitiri yezvivakwa, kudiwa kwezvinhu zvekuvaka giredhi cellulose ether mumusika wepamba hakuna kushanduka zvakanyanya.Zvikonzero zvikuru ndezvizvi zvinotevera: 1. Huwandu hwese hweindasitiri yekuvaka mudzimba uye indasitiri yezvivakwa yakakura, uye iyo yakazara musika inodiwa yakakura;Musika mukuru wevatengi wezvivakwa zvekuvaka giredhi cellulose ether kubva kunzvimbo dzakasimukira hupfumi uye yekutanga neyechipiri tier maguta, zvishoma nezvishoma inowedzera kusvika kuMidwest uye yechitatu tier maguta, kudiwa kwemukati kukura mukana uye nzvimbo yekuwedzera;Zviviri, huwandu hwe cellulose ether yakawedzerwa kumutengo wezvivakwa zvekuvaka yakaderera chikamu, chiyero chemutengi mumwe chete idiki, vatengi vakapararira, nyore kugadzira kuomarara kudiwa, kudiwa kwese kwemusika wepasi kwakadzikama;Tatu, zvokuvakisa pamusika mutengo kuchinja kuri kukanganisa cellulose ether kudiwa chimiro shanduko, zvinokosha zvinhu kuti cellulose eteri pamwero kubvira 2012, zvokuvakisa mutengo kuderera yakakura, yepamusoro-kuguma zvigadzirwa mukudonha mutengo yakakura, kukwezva vatengi vakawanda kutenga kusarudzwa, yakawedzera kudiwa kwezvigadzirwa zvepamusoro-soro mu, uye kusvina zvakajairika mhando zvigadzirwa pamusika kudiwa uye mutengo nzvimbo.

Kusimukira kweindasitiri yemishonga uye mwero wekukura kweindasitiri yemishonga kuchakanganisa shanduko yekuda kwemishonga giredhi cellulose ether.Kuvandudzwa kwemararamiro evanhu uye indasitiri yechikafu yakagadziridzwa inobatsira kufambisa kudiwa kwemusika kwechikafu-giredhi cellulose ether.

6. Kuvandudza maitiro e cellulose ether

Nekuda kwekuvapo kwe cellulose ether musika kudiwa kwemisiyano yezvimiro, kuumbwa kwesimba remabhizinesi akasiyana kuti agare.Tichifunga nezvezvakajeka zvimiro zvekusiyanisa hunhu hwekudiwa kwemusika, vepamba cellulose ether vagadziri vakasanganiswa nesimba ravo kuti vatore rakasiyana makwikwi zano, uye zvakare kubata kwakanaka kwemaitiro ekusimudzira uye kutungamira kwemusika.

(1) kuve nechokwadi kugadzikana kwemhando yechigadzirwa, ichave ichiri yakakosha kukwikwidza mapoinzi emabhizinesi e-cellulose ether.

Cellulose ether muindasitiri mazhinji emabhizinesi epasi mumutengo wekugadzira idiki, asi mhando yechigadzirwa yakakura.Mapoka epakati uye epamusoro-soro evatengi mukushandiswa kwechiratidzo che cellulose ether modhi pamberi, kuenda kuburikidza nekuyedza fomula.Mushure mekugadzira fomu yakagadzika, kazhinji hazvisi nyore kutsiva mamwe mabhureki ezvigadzirwa, asi zvakare kuisa mberi kwepamusoro zvinodiwa pakugadzikana kwemhando ye cellulose ether.Chiitiko ichi chakanyanya kutariswa mudzimba uye kunze kwenyika mahombe ekugadzira zvivakwa zvekugadzira mabhizinesi, mishonga accessories, zvekuwedzera zvekudya, PVC uye mamwe minda yepamusoro.Kuti uvandudze kukwikwidzana kwezvigadzirwa, vagadziri vanofanira kuona kuti kugoverwa kwezvikwata zvakasiyana-siyana zve cellulose ether zvinogona kuchengetedza kugadzikana kwehutano, kuitira kuumba mukurumbira wemusika.

(2) Kuvandudza iyo tekinoroji nhanho yekushandiswa kwechigadzirwa ndiyo nzira yekusimudzira yemabhizinesi emumba cellulose ether

Panyaya ye cellulose ether yekugadzira tekinoroji inowedzera kukura, mwero wepamusoro wetekinoroji yekushandisa unobatsira mabhizinesi kusimudzira kukwikwidza kwakazara, kuumbwa kwehukama hwakagadzikana hwevatengi.Mabhizinesi anozivikanwa e-cellulose ether ari munyika dzakabudirira anonyanya kutora nzira yemakwikwi e "kutarisana nevatengi vepamusoro-soro + kusimudzira kushandiswa kwepasi uye kushandiswa", kugadzira cellulose ether kushandiswa uye kushandisa fomula, uye kugadzirisa nhevedzano yezvigadzirwa zvinoenderana nekukamura kwakasiyana. minda yekushandisa kufambisa kushandiswa kwevatengi, uye kurima kuderera kwemusika kudiwa.Makwikwi emabhizimusi e-cellulose ether munyika dzakabudirira akapinda mumunda wekushandisa tekinoroji kubva pachigadzirwa.