Cellulose ether
Cellulose ether is a general izwi renhevedzero zvigadzirwa zvakagadzirwa nekuita kweAlkali cellulose uye kuenzura mumiririri pasi pemamwe mamiriro ezvinhu. Alkali cellulose inotsiviwa nekusiyana kwekunyengedza vamiririri kuti vawane akasiyana cellulose eter. Maererano neIonization Progriynices of Sdzs, Cellulose eterities inogovaniswa muzvikamu zviviri: Ionic (senge carboxyMethyl cellemelle) uye isiri-ionic (yakadai se methyl cellose). Maererano nerudzi rwetsiva, cellulose ether inogona kukamurwa muMonether (senge methyl cellulose) uye yakasanganiswa ethyropropropyl methyl cellelose). Zvinoenderana nekusiyana kwakasiyana-siyana, zvinoita kunge hydroxylyl cellyl-solulose (yakadai seyakaoma-solulose cell yakakamurwa kuita rondedzero inonyarara uye pamusoro yakabatwa yakanonoka kudzvinyirira.
Iyo Mechanism yeCell yeCellulose ether muMoter ndeye inotevera:
. Zvikamu zveLubricating Firimu Rakagadzirwa pamusoro peiyo yekunze pamusoro, iyo inoita kuti system yakagadzikana, uye zvakare inovandudza iyo fluidity yemutya panguva yekusanganisa uye kusarudzika kwekuvaka.
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1. Methylcellose (MC)
Mushure mekunge machira akanyatsorwadziswa ane alkali, cellulose ether anogadzirwa kuburikidza neyekutevedzana kwemaitiro ne methane chloride seyedenda. Kazhinji, iyo degree rekutsiva ndeye 1.6 ~ 2.0, uye iyo solubility yakasiyana nemadhigirii akasiyana ekutsiva. Izvo ndezvevasina-ionic cellulose ether.
. Mhinduro yaro yemvura yakagadzikana kwazvo mune huwandu hwePH = 3 ~ 12. Iyo ine kuwirirana kwakanaka ne starch, guar gum, nezvimwewo uye vazhinji surfachan. Kana tembiricha ichisvika kumhepo tembiricha, gelation inoitika.
. Kazhinji, kana huwandu hwehuwandu hwakakura, hushoma hushoma, uye visikoka yakakura, iyo mwero wekuchengetwa kwemvura wakakwira. Pakati pavo, huwandu hwekuwedzera hunonyanya kuitwa pane iyo yekuchengetwa kwemvura, uye mwero weViscosity haina kuenzana zvakananga kusvika padanho rekuchengetera mvura. Iyo yekunyungudika chiyero inonyanya kuenderana neiyo degree rekushandurwa kwepasi kweCellulose zvimedu uye tangi. Pakati peiyo metherulose methelose erinculose uye methyl cellulose uye hydroxyprusll
. Kazhinji, kukwirira kwakanyanya, kwakaipisisa kuchengetwa kwemvura. Kana tembiricha inovhuvhuta 40 ° C, kuchengetwa kwemvura methyl cellulose kuchave kuderedzwa zvakanyanya, kukanganisa zvakanyanya kuvakwa kwemutya.
. "Kunamatira" pano kunoreva kushushikana kwakanzwika pakati peiyo mushandi weMushandi weMushandi uye substrate, kureva kuti, iyo Shear Ristance yerudzi. Kunamatira kwakakwira, kurwisa Shefu kwakakura kwakakura, uye simba rinodiwa nevashandi vari mukati mekushandiswa kwakakura zvakare, uye kuita kwekuvaka kune murombo. Methyl Cellulose Adernan iri pane imwe nhanho pakati mu cellulose ether zvigadzirwa.
2. Hydroxypronylmethylcellose (HPMC)
HydroxyPropyl methylcellose ndeye cellulose akasiyana-siyana ndeayo yekubuda uye kushandiswa kwave kuri kuwedzera nekukurumidza mumakore achangopfuura. Icho chisiri-ionic cellulose yakasanganiswa ether yakagadzirwa kubva kukotoni yakanatswa mushure mekunge alkalization, kushandisa profyl Iyo degree rekutsiva kazhinji 1.2 ~ 2.0. Zvivakwa zvaro zvakasiyana nekuda kweiyo dzakasiyana ratios ye metroxls zvemukati uye hydroxypruppropyl zvemukati.
(1. Asi tembiricha yayo yegungwa mumvura inopisa yakakwirira zvakanyanya kupfuura iyo ye methyl cellulose. Iyo solubility mumvura inotonhora inovandudzwa zvakare yakaenzaniswa ne methyl cellulose.
. Tembiricha inokanganisawo zvavakaita, sekuwedzera kwekuwedzera, viscosity inoderera. Nekudaro, viscosity yakakwira ine yakaderera tembiricha mari pane methyl cellelose. Kugadziriswa kwayo kwakasimba kana kuchengetwa pamhepo tembiricha.
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. Caustic soda uye lime mvura ine zvishoma kushanda pane zvayo kuita, asi Alkali inogona kukurumidza kukurumidza kupaza uye kuwedzera zvavakaita. Hydroxyprupyl methylcellose yakachengetwa kune zvakajairika kumaronda, asi kana kusungwa kwemhinduro kwakakwirira, iyo visikopa yehydroxyproslose mhinduro inowanzowedzera kuwedzera.
. Senge polyvinyl doro, starch ether, miriwo gamu, nezvimwe.
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3. HydroxyTHYL Cellulose (Hec)
Izvo zvinogadzirwa kubva pakunyatsonatswa Iyo degree rekutsiva kazhinji 1.5 ~ 2.0. Ine yakasimba hydrophiclikeity uye iri nyore kutora nyoro nyoro
(1. Kugadziriswa kwayo kwakasimba pakupisa kwakanyanya pasina gomba. Inogona kushandiswa kwenguva yakareba iri pasi pekupisa kwakanyanya mudhaka, asi kuchengetwa kwemvura kwayo kwakaderera pane iyo ye methyl cellulose.
. Alkali inogona kusimudzira kupaza kwayo uye zvishoma kuwedzera zvavakaita viscosity. Kupararira kwayo mumvura kuri kuipa zvishoma pane iyo ye methyl cellulose uye hydroxypruppropyl methyl cellulose. .
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4. Carboxymethyl Cellulose (CMC)
Ionic cellulose ether inogadzirwa kubva kune yakasikwa fibles (machira, etc.) mushure mekurapwa kweAlkali, vachishandisa sodium monochloroacetate seEdhitation mumiriri, uye vachitevera kutevedzana kwekuita. Dhigirii rekutsiva kazhinji kazhinji 0.4 ~ 1.4, uye kuita kwayo kwakanganiswa zvakanyanya neiyo degree rekutsiva.
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(2. Kana tembiricha ichidarika 50 ° C, iyo viscosity haina kuchinjika.
(3) Kugadzikana kwayo kunokanganiswa zvikuru naPh. Kazhinji, inogona kushandiswa mune gypsum-based moturu, asi kwete mumutero-based moter. Kana alkaline yakawanda, inokanganwa viscosity.
(4) Kuchengetwa kwemvura kwaro kuri kuderera kupfuura kweiyo methyl cellulose. Iyo ine mari yekudzosera pane gypsum-based dours uye inoderedza simba rayo. Nekudaro, mutengo weCarboxyMethyl Cellerose akanyanya kuderera pane iyo ye methyl cellulose.
Dzokorora polymer rubber poda
Dzokorora rabha rabha inogadziriswa nekupedza kuoma kweanokosha polymer emulsion. Mukutonga kwekugadzirisa, kudzivirira colloid, anti-caking mumiriri, etc. iva anokwanisa kukosha. Iyo yakaomeswa rubber poda ndeye mamwe maSperical zvimedu zve80 ~ 100mm akaunganidzwa pamwechete. Izvi zvimedu zvinonyangadza mumvura uye zvinoumba kuparadzwa kwakasimba zvishoma kupfuura iyo yekutanga emulsion zvimedu. Kupararira uku kuchaita firimu mushure mekushayikwa uye kuoma. Iyi firimu haina kusarudzika sezvo iyo general emulsion firimu kugadzirwa, uye haizo dzokorora kana ichisangana nemvura. Kuparadzaniswa.
Resitispersable rabha poda inogona kukamurwa mu: Styrene-butadiene Copleneciyo, Etlyne-acitate acid Coplymer, etc. ,,, Matanho akasiyana siyana anogadzira iyo inodzikisira rabha poda ine zvivakwa zvakasiyana senge kupokana kwemvura, kushandira kweAlkali, kuramba mamiriro ekunze uye kushanduka. Ine vinyl Laurate uye Silicone, iyo inogona kuita iyo rubber poda ine yakanaka hydrophosity. Yakakura yakashongedzwa vinyl tertiary carbonate ne low tg kukosha uye kwakanaka kuchinjika.
Kana idzi mhando dzebabha yebhuruu dzinoshandiswa kune dope, vese vane kunonoka kugadzirisa nguva yekuita simende, asi simba rakanonoka idiki pane iro rekushandisa zvakananga kwemberi dzakafanana. Mukuenzanisa, styrene-butadiene ine hukuru hwakanyanya kudzoka, uye ethylene-vinyl acetate ine maitiro madiki ekudzorera. Kana iyo dosi idiki kwazvo, mhedzisiro yekuvandudza mashandiro emota haisi pachena.
Polypropylene machira
Polypropylene fiber yakagadzirwa nePolypropylene seyakabikwa zvinyorwa uye huwandu hwakakodzera hweModifier. Iyo fiber diameter inowanzo kuve nemirairo makumi mana, iyo tensile simba ndeye 300 ~ 400mpa, iyo elastic modulus is ≥3500mpa, uye yekuwedzera yekupedzisira ndeye 15 ~ 18%. Maitiro ayo ekuita:
. Kana 1 kg ye polypropylene fiber inowedzerwa kune imwe neimwe toni yemota, anopfuura mamirioni makumi matatu monofilatement fibers inogona kuwanikwa.
(2. Kunyangwe aya mabundu anoonekwa kana kwete. Uye inogona kuderedza zvakanyanya pamusoro pekubuda ropa uye kuunganidzwa kugadziriswa kwerudzi nyowani.
. Ndokunge, apo muviri unoomesa uchigadzira kushushikana nekuda kweshanduko, inogona kuramba uye kuendesa kushushikana. Kana iyo dhizaini yekuomarara muviri, inogona kupfuudza kushushikana kwekushushikana pamhepo yekupaza uye kudzikisira kuwedzera kwekupaza.
. Kusanganisa michina, fiber mhando uye dosage, motokari ratio uye ma parmeter maitiro ese anozove zvinhu zvakakosha zvine chekuita nekupararira.
Mhepo inopinda mumiririri
Mumhepo-inopinda mumiririri rudzi rwechiratidzo icho chinogona kuumba michero yakagadzikana mumhepo mune nyowani concrete kana dhiri nenzira dzemuviri. Inonyanya kusanganisira: Rosin uye yayo inobata polymers, isiri-ionic surfers
Vamiriri vemhepo-vanopinda vanowanzoshandiswa kugadzirira pasi pevhu mauto uye masonry motsa. Nekuda kwekuwedzera kwemhepo-yekupinza mumiririri, dzimwe shanduko muMorty kuita ichaunzwa.
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(2. Kana iyo mhepo-yekupinda mumiririri uye yemvura-yekudzora mumiririri anoshandiswa pamwe chete, uye chiyero chakakodzera, kukosha kwesimba hakuzo kuderera.
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Sezvo huwandu hwemhepo-yekupinda mumiririri inowedzerwa idiki, kazhinji inongozvidza mashoma ezviuru zvezvemishini, inofanira kuvezwa kuti yakarongedzwa nenzira kwayo uye yakavhenganiswa mukati mekugadzirwa kwemota; Zvinhu zvakadai sekukurudzira nzira uye nguva inosimudzira ichakanganisa zvakanyanya mhepo-yekupindira mari. Naizvozvo, pasi peiyo iripo yekugadzirwa kwemba uye yekuvaka, inowedzera mhepo-yekupindira vamiriri kune motsi inoda basa rakawanda rekuedza.
Yekutanga Simba Mumiriri
Inoshandiswa kuvandudza simba rekutanga rekongiri uye mongwe, sulfate yekutanga masimba anowanzo shandiswa, kunyanya kusanganisira sodium sulfate, sodium thriosulfate, sodium themesium, aluminium sulfate uye potasium aluminium sulfate.
Kazhinji, sodium aneodium sulfate inoshandiswa zvakanyanya, uye dosi racho rakaderera uye mhedzisiro yekusimba kwekutanga yakanaka, asi kana dosage yakakura kwazvo, ichakonzera kuwedzera uye kupaza munguva inotevera, uye panguva imwe chete, Alkali Kudzokera zvichaitika, izvo zvichakanganisa kutaridzika uye mhedzisiro yeiyo nzvimbo yekushongedza.
Calcium fomu zvakare iri zvakare yakanaka AtiFreeze mumiriri. Iyo ine yakanaka yekutanga simba mhedzisiro, zvishoma mhedzisiro, kuwirirana kwakanaka nezvimwe zvinyadzo, uye zvakawanda zvivakwa zviri nani pane sulfate masimba ekutanga masimba ekutanga, asi mutengo wakakwira.
AntiFreeze
Kana iyo dorari ichishandiswa pakupisa kwakashata, kana pasina matipi eAntiFreeze anotorwa, kukuvara kwechando kuchaitika uye simba remuviri wakaomeswa uchaparadzwa. AntiFreeze anodzivirira kukuvara kunotonhora kubva munzira mbiri dzekudzivirira dzinotonhora uye nekuvandudza simba rekutanga remutya.
Pakati pekutanga kushandiswa antifreeze vamiririri, calcium nitrite uye sodium nitrite ine yakanakisa antifunree mhedzisiro. Sezvo calcium nitrite haina potassium uye sodium ion, inogona kuderedza kuitika kweAlkali Aggreate kana ichishandiswa zvishoma kana ichishandiswa mudhongwe, nepo Sodium nitrite ine basa riri nani. AntiFreeze inoshandiswa inosanganiswa nemusanganiswa neyekutanga simba mumiririri uye kuderedza mvura kuti uwane zvinogutsa. Kana iyo yakaoma-yakavhenganiswa dhiraivha inoshandiswa paAltiforze inoshandiswa ku Ultra-yakaderera tembiricha, tembiricha yemusanganiswa inofanira kuwedzerwa nenzira kwayo, sekusanganisa nemvura inodziya.
Kana huwandu hweiiniforze hwakanyanya, zvichaderedza simba rerudzi mune imwe nhanho yakazotevera, uye pamusoro peimba yakaoma ichave nematambudziko akadai saAlkali adzoka, iyo ichakanganisa kutaridzika uye mhedzisiro yekushongedza .
Kutumira Nguva: Jan-16-2023