MHEC da ake amfani da shi wajen gini

1 gabatarwar

Cellulose ether MHEC a cikinginiMasana'antar kayan gini suna da fa'ida sosai na amfani, adadi mai yawa, ana iya amfani da su azaman mai ɗaukar nauyi, mai riƙe ruwa, mai kauri da mannewa.Cellulose ether MHEC taka muhimmiyar rawa a cikin talakawa bushe gauraye turmi, waje bango rufi turmi, kai matakin turmi, yumbu tile mai ɗaure, high-yi gini putty, anti-crack ciki da waje bango putty, waterproof bushe cakuda turmi, plaster plaster, caulking wakili da kuma sauran kayan.Cellulose ether MHEC yana da tasiri mai mahimmanci akan riƙewar ruwa, buƙatar ruwa, mannewa, jinkirtawa da gina tsarin turmi.

Akwai da yawa daban-daban iri da kuma bayani dalla-dalla naCellulose ether MHEC, Cellulose etherda aka saba amfani da su a fagen kayan gini ciki har da HEC,MHEC, CMC, PAC,MHPC da sauransu, gwargwadon halayensu na rawar da ake amfani da su a cikin tsarin turmi daban-daban.Wasu mutane sun yi nazarin tasirin nau'ikan abubuwa daban-daban da sashi daban-daban naCellulose ether MHEC akan tsarin turmi siminti.A cikin wannan takarda, yadda za a zabi daban-daban iri da ƙayyadaddun bayanai naCellulose ether MHEC Ana tattauna samfuran turmi daban-daban.

2 Cellulose ether MHEC a cikin siminti turmi halaye halaye

A matsayin wani abu mai mahimmanci a cikin busassun turmi,Cellulose ether MHEC yana da ayyuka da yawa a turmi.Cellulose ether MHEC a cikin turmi siminti shine mafi mahimmancin aikin riƙe ruwa da kauri, bugu da ƙari, saboda hulɗarsa da tsarin siminti, zai kuma taka rawar taimako na shigar da iska, jinkirtawa, inganta ƙarfin haɗin gwiwa.

Mafi mahimmancin dukiya naCellulose ether MHEC a turmi yana riƙe ruwa.Cellulose ether MHEC a matsayin wani abu mai mahimmanci a cikin kusan dukkanin samfuran turmi, babban amfani da ajiyar ruwa.Gabaɗaya magana, riƙewar ruwa naCellulose ether MHEC yana da alaƙa da ɗankowar sa, sashi da girman barbashi.

Cellulose ether MHEC a matsayin thickener, ta thickening sakamako yana da alaka da mataki na etherification naCellulose ether MHEC, girman barbashi, danko da matakin gyare-gyare.Gabaɗaya, mafi girman matakin etherification da danko naCellulose ether MHEC, karami da barbashi, da mafi fili da thickening sakamako.Ta hanyar daidaita halaye na sama naMHEC, turmi zai iya cimma daidaitaccen aikin da ya dace na anti-a tsaye da kuma mafi kyawun danko.

In Cellulose ether MHEC, Gabatarwar ƙungiyar alkyl yana rage ƙarfin surface na maganin ruwa mai ɗauke da ruwaCellulose ether MHEC, don hakaCellulose ether MHEC yana da tasirin shigar da turmi siminti.Saboda tasirin ball na kumfa, aikin ginin turmi yana inganta, kuma yawan adadin turmi yana ƙaruwa ta hanyar shigar da kumfa.Tabbas, ana buƙatar sarrafa iskar iska.Yawan shan iska zai yi mummunan tasiri akan ƙarfin turmi, saboda ana iya gabatar da kumfa masu cutarwa.

2.1Cellulose ether MHEC zai jinkirta tsarin samar da ruwa na siminti, don haka yana rage saiti da taurin aikin siminti, da kuma tsawaita lokacin bude turmi, amma wannan tasirin yana da illa ga turmi a wuraren sanyi.A cikin zaɓi naCellulose ether MHEC, Ya kamata a dogara ne akan takamaiman yanayi na zaɓin samfuran da suka dace.Sakamakon retarding naCellulose ether MHEC yafi tsawaita tare da inganta ta etherification digiri, gyare-gyare digiri da danko.

Bugu da kari,Cellulose ether MHEC a matsayin polymer dogon sarkar abu, bayan shiga da siminti tsarin, a karkashin jigo na cikakken kula da slurry danshi, iya inganta bond yi tare da substrate.

2.2 KaddarorinCellulose ether MHEC a turmi yafi hada da: ruwa riƙewa, thickening, tsawanta saitin lokaci, gas permeability da inganta tensile bonding ƙarfi, da dai sauransu The Properties da aka ambata a sama suna nuna a cikin halaye naMHEC kanta, wato, danko, kwanciyar hankali, abun ciki mai aiki mai aiki (adadin da aka ƙara), digiri na maye gurbin etherification da daidaituwarsa, digiri na gyare-gyare da abun ciki mai cutarwa, da dai sauransu. Saboda haka, a cikin zaɓi naMHEC, Cellulose ether MHEC tare da halayensa na iya samar da aikin da ya dace ya kamata a zaɓa bisa ga ƙayyadaddun buƙatun takamaiman samfuran turmi don wasu ayyuka.

3. HalayenCellulose ether MHEC

Gabaɗaya magana, umarnin samfurin da aka bayar taCellulose ether MHEC masana'antun za su ƙunshi alamomi masu zuwa: bayyanar, danko, digiri na maye gurbin rukuni, fineness, ingantaccen abun ciki na abu (tsarki), abun ciki na danshi, filin da aka ba da shawarar da sashi.Waɗannan alamun aikin na iya nuna ɓangaren rawarCellulose ether MHEC, amma a cikin kwatanta da zaɓi naCellulose ether MHEC, Har ila yau, ya kamata a bincika abubuwan da ke tattare da sinadaransa, digiri na gyare-gyare, digiri na etherification, NaCl abun ciki, darajar DS da sauran bangarori.

TakeKimacell MHECFarashin MH60M ƙayyadaddun samfur misali.Na farko, MH yana nuna cewa abun da ke ciki shine methyl hydroxyethylCellulose ether MHEC, Danko (ƙaddamar hanyar Hoppler) shine 60000 Mpa.s, ba.Bugu da kari, ban da bayanin bayyanar samfurin, danko, girman barbashi, akwai alamomi masu zuwa: abun da ke ciki na sinadaran methyl hydroxyethyl.Cellulose ether MHEC, bayan ƙananan digiri gyare-gyare;Matsayin matsakaici na etherification;Danshi abun ciki na 6% ko žasa;NaCl abun ciki na 1.5% ko žasa;Ingantattun abun ciki na abu> 92.5%, ƙarancin ƙarancin 300 g / L da sauransu.

3.1Cellulose ether MHEC danko

A danko naCellulose ether MHEC yana shafar riƙon ruwa, kauri, ja da baya da sauran al'amura, don haka, alama ce mai mahimmanci na gwaji da zaɓinCellulose ether MHEC.

Kafin tattauna danko naCellulose ether MHEC, Ya kamata a lura cewa akwai hudu da aka fi amfani da danko hanyoyin gwajiCellulose ether MHEC: Brookfield, Hakke, Hoppler da Rotary viscometer Hanyar.Kayan aiki, maida hankali na mafita da yanayin gwaji da hanyoyin huɗu ke amfani da su sun bambanta, don haka sakamakon iri ɗaya neMHEC Maganin da aka gwada ta hanyoyi huɗu kuma sun bambanta.Ko da don wannan bayani, ta yin amfani da hanya ɗaya, a ƙarƙashin yanayi daban-daban na muhalli, danko

Sakamakon kuma ya bambanta.Saboda haka, lokacin da bayanin danko na aCellulose ether MHEC, Wajibi ne a nuna irin nau'in hanyar da za a gwada, ƙaddamarwar bayani, rotor, gudun, gwajin zafin jiki da zafi da sauran yanayin muhalli a lokaci guda, ƙimar danko yana da mahimmanci.Kawai a ce, “Mene ne danko na wani abuMHEC?”

Ba shi da ma'ana.

TakeKimacell MHEC samfurin lokaci na samo asali, MH100M a matsayin misali.An nuna a cikin littafin samfurin cewa "ƙimar danko da aka ƙayyade ta hanyar Hoppler shine 100000 Mpa.s".A matsayin daidai, ƙayyadaddun kuma yana ba da wannan “Brookfield RV, 20 RPM, 1.0%, 20℃,20°GH, ƙimar danko da aka gwada shine 4100 ~ 5500 Mpa.s".

3.2 Samfurin kwanciyar hankali naCellulose ether MHEC

Cellulose ether MHEC An san cewa yana da saurin yashwa ta hanyar mildew cellulose.Mold a cikin yashwa naCellulose ether MHEC, na farko harin ba etherizedCellulose ether MHEC naúrar glucose, a matsayin madaidaiciyar sarkar fili, da zarar an lalata rukunin glucose, an katse duk sarkar kwayoyin halitta, dankon samfurin zai ragu sosai.Bayan naúrar glucose ɗin ta ƙare, ƙirar ba ta da sauƙi don lalata sarkar kwayoyin halitta, don haka, mafi girman matakin maye gurbin etherification (ƙimar DS) naCellulose ether MHEC, mafi girman kwanciyar hankalinsa zai kasance.

DaukeKimacell MHEC samfurin lokaci na samo asali, MH100M a matsayin misali, ƙayyadaddun samfurin yana nuna a sarari cewa ƙimar DS shine 1.70 (don mai narkewar ruwa).MHEC, Ƙimar DS bai kai 2 ba), wanda ke nuna cewa samfurin yana da kwanciyar hankali na samfur.

3.3 Active bangaren abun ciki naCellulose ether MHEC

Mafi girman abun ciki na abubuwan da ke aiki a cikiCellulose ether MHEC, mafi girman aikin farashi na samfurin, don samun sakamako mafi kyau a ƙarƙashin wannan sashi.A tasiri bangaren naCellulose ether MHEC is Cellulose ether MHEC kwayoyin halitta, wanda shi ne kwayoyin halitta, don haka a lokacin da nazarin tasiri abun ciki abun ciki naCellulose ether MHEC, ana iya nunawa a kaikaice ta ƙimar ash bayan calcination.Gabaɗaya, ƙimar ash mafi girma tana da alaƙa da ƙaramin ingantaccen abu.A cikin bayanin samfurinKimacell MHEC, sashi mai aiki na samfuran gabaɗaya yana sama da 92%.

3.4 abun ciki na NaCl inCellulose ether MHEC

NaCl shine samfurin da ba makawa a cikin samar daCellulose ether MHEC, wanda gabaɗaya yana buƙatar cirewa ta hanyar wankewa da yawa.Yawancin lokutan wankewa, raguwar ragowar NaCl.An san NaCl yana da illa ga lalatawar sandunan ƙarfe da ragar waya, da dai sauransu. Saboda haka, ko da yake maimaitawar NaCl na iya ƙara farashin maganin najasa,MHEC samfuran da ke da ƙananan abun ciki na NaCl yakamata a zaɓi su gwargwadon yiwuwa.Abubuwan da ke cikin NaCl naKimacell MHEC Ana sarrafa samfuran gabaɗaya a ƙasa da 1.5%, wanda samfuri ne mai ƙarancin abun ciki NaCl.

4. Ka'idar zabeCellulose ether MHEC don samfuran turmi daban-daban

A lokacin amfani da turmi kayayyakinCellulose ether MHEC, Na farko ya kamata a dogara ne akan bayanin jagorar samfurin, zaɓi alamun aikin nasu, kamar danko, digiri na maye gurbin etherification, abun ciki mai inganci, abun ciki NaCl da dai sauransu) don kwatanta mafi kyau duka.Cellulose ether MHEC bisa ga kankare turmi kayayyakin da yi da bukatun, hadedde aikace-aikace na zaba yi ya gana da bukatun high quality irinMHEC.

Dangane da daidaitattun buƙatun samfuran turmi daban-daban, masu zuwa suna gabatar da ka'idodin da suka dace na zabar dacewaMHEC.

4.1 Tsarin plastering na bakin ciki

Ɗauki tsarin plastering na bakin ciki na plastering turmi a matsayin misali, saboda turmi plastering kai tsaye yana hulɗa da yanayin waje, asarar ruwa na saman yana da sauri, don haka yana buƙatar yawan adadin ruwa.Musamman ma a lokacin aikin rani, ana buƙatar turmi don samun damar kiyaye danshi a babban zafin jiki.MHEC tare da babban adadin ajiyar ruwa ana buƙatar zaɓin, wanda za'a iya la'akari da shi gabaɗaya daga bangarori uku: danko, girman barbashi da adadin ƙari.Gabaɗaya magana,MHEC tare da babban danko ya kamata a zaba a karkashin yanayi guda, kuma danko bai kamata ya kasance mai girma ba la'akari da bukatun ginin.Saboda haka, daMHEC ya kamata a zaba tare da babban adadin ajiyar ruwa da ƙananan danko.Kimacell MHEC samfurin lokaci guda, MH60M da sauran za a iya ba da shawarar ga sirara plaster bonding tsarin.

4.2 Tumi na tushen ciminti

Tumi plastering yana buƙatar daidaitaccen turmi mai kyau, plastering yana da sauƙin yin rufi daidai, kuma yana buƙatar juriya mai kyau a tsaye, ƙarfin yin famfo da ruwa da aiki yana da girma.Don haka,MHEC tare da ƙananan danko da saurin tarwatsewa da haɓaka daidaito (ƙananan barbashi) a cikin turmi siminti an zaɓi, kamar su.KimacellFarashin MH60M da MH100M ana ba da shawarar.

4.3 Tilem

A cikin gine-ginen yumburam, Domin tabbatar da aminci da inganci, ana buƙatar musamman cewa lokacin buɗewa na turmi ya fi tsayi, aikin anti-slide ya fi kyau, kuma akwai kyakkyawar dangantaka tsakanin kayan tushe da yumbura.Saboda haka, yumbu tile manne ya fi girma zuwaMHEC bukata.KumaMHEC a cikin yumbu tile manne gabaɗaya suna da ingantacciyar sashi.A cikin zaɓi naMHEC, don biyan buƙatun dogon lokacin buɗewa,MHEC kanta ya kamata ya sami babban adadin riƙewar ruwa, wanda ke buƙatar danko mai dacewa, ƙarin adadin da girman barbashi.Don saduwa da kyakkyawan aikin anti-sliding,MHECAna buƙatar sakamako mai kyau na kauri don sanya turmi juriya a tsaye ya yi ƙarfi.A thickening yana da wasu bukatu a kan danko, etherification digiri da barbashi size.Don haka,MHEC abin da ake buƙatar la'akari ya kamata ya dace da buƙatun danko, digiri na etherification da girman ƙwayar cuta a lokaci guda.Ana ba da shawarar yin amfani da shiKimacell MHECFarashin MH100M, MH60M da MH100MS, da dai sauransu (An auna yawan riƙon ruwa na cirewa da kuma hanyar tacewa zuwa sama da 95%).

Don tsayayya da manne tayal mai zamiya, yana buƙatarMHEC tare da ingantaccen aikin anti-a tsaye don yin kauri, ta yadda za a gyara sosaiMHEC za a iya zaba.Misali,MHECMH100M of Kimacell za a iya ba da shawarar (wannan samfurin an inganta shi sosai).

4.4 Turmi ƙasa mai daidaita kai

Turmi mai daidaita kai yana da buƙatu mafi girma akan aikin daidaitawa, don haka ya dace a zaɓaCellulose ether MHEC samfurori tare da ƙananan danko.Saboda matakin kai yana buƙatar turmi mai gauraya daidai gwargwado don samun damar daidaita ƙasa ta atomatik, yana buƙatar ruwa da yin famfo, don haka rabon kayan ruwa yana da girma.Domin hana zubar jini.MHEC ana buƙatar sarrafa ruwa na saman da kuma samar da danko don hana hazo.H300P2 da H20P2 naKimacell ana ba da shawarar.

4.5 Kwance turmi

Saboda tuntuɓar kai tsaye tare da saman masonry, turmi gabaɗaya yana da kauri mai kauri gini, yana buƙatar turmi don samun babban aiki da riƙon ruwa, amma kuma don tabbatar da ɗaurin ƙarfi tare da masonry, haɓaka gini, haɓaka aiki.Saboda haka, zaɓi naMHEC ya kamata ya taimaka turmi inganta aikin na sama,Cellulose ether MHEC danko bai yi yawa ba, akwai wani adadin ajiyar ruwa, shawarar yin amfani da shiMHECMH100M, MH60M,MH6M, da sauransu.

4.6 slurry na thermal rufi

Ana amfani da slurry na thermal da hannu.Saboda haka, daMHEC Ana buƙatar zaɓin don ba da turmi mai kyau gini, kyakkyawan aiki da kyakkyawan tanadin ruwa, da kumaMHEC yakamata ya kasance yana da halayen babban danko da haɓakar iska mai ƙarfi.Dangane da halaye na sama, ana bada shawarar yin amfani da suKimacellFarashin MH100M, MH60M da sauran samfurori tare da babban adadin ajiyar ruwa, babban danko da kyakkyawan aikin haɓaka iska.

5 ƙarshe

Cellulose ether MHEC a cikin turmi siminti shine rawar riƙe ruwa, kauri, shigar da iska, jinkiri da haɓaka ƙarfin haɗin gwiwa.