Mhando dzakakwana dzesamende dzinopupa furo

Cement furo agents anonyanya kushandiswa kugadzira zviremera furo kongiri zvigadzirwa seCLC zvidhinha, matete partition boards, mapuranga esimende ane furo, foamed simende pasi roadbed toilet backfill, uye kuvhara padenga. Nekuda kwekureruka kwayo, kupisa kupisa, kupisa kupisa, kukurumidza kuvaka, nguva nebasa, uye kuderedzwa kwevashandi nekudhura, yakasimudzirwa zvakanyanya pamusika.

Iyo inopupa yekongiri isingaremi chinhu chakakosha kugadzira simende yakapupuma.

Iyo inopupuma sement musanganiswa unogona kuderedza kudhonzerana kwemvura uye kuburitsa furo rakakura uye rakagadzikana., iyo inoshandiswa kugadzira kongiri ine furo. Iyo cellular kongiri ino furo mumiririri imhando yechinhu chinogona kukonzera mhinduro yayo ine aqueous kuti ibudise furo yakawanda kana simba remagetsi rinounzwa mumhepo.. Rudzi urwu rwemukati ndeye surfactant kana pamusoro-inoshanda zvinhu. Hunhu hweiyo inopupuma furo ibasa rayo repamusoro. Pasina basa repamusoro, haigoni kupupuma furo, uye haigoni kuva chinhu chinopupuma furo. Chiitiko chepamusoro ndicho musimboti wekupupuma furo.

Iyo inopupa furo mupfungwa yakafara uye pfungwa nhete

Kune marudzi maviri ezvinofuridza. Imwe ndeye broad-spectrum foaming agent, uye imwe yacho inopupuma furo. Mupfungwa yakafara, Foaming agent inoreva zvinhu zvese zvinogara pasi kana zvinhu zviri pamusoro-soro zvine mushonga wemvura unokwanisa kuburitsa furo rakawanda kana mweya waunzwa.. Iko hakuna zvakaomesesa zvinodikanwa pane zvehunyanzvi zvivakwa zvakaita seyero yekuwedzera uye kugadzikana kwefuro. Inongoratidza chete kuti ine imwe kugona kuburitsa huwandu hukuru hwemafuro. Hazvina kujeka kana mafuro anogadzirwa ane mashandisiro anoshanda.

Iyo yakatsanangudza furo mumiriri inoreva izvo zvisingagone chete kuburitsa huwandu hwakawanda hwefuro asiwo zvine hunhu hwakanaka.. Inogona kusangana nezvinodiwa zvehunyanzvi zvekupupa kwezvigadzirwa zvakasiyana uye inoshandiswa kugadzira chaiwo ma surfactants kana ma surfactants.. Kupupa kwefuro kwaro kunonyanya kusimba, vhoriyamu yefuro per unit volume yakakura, furo rakanyatsogadzikana, haigoni kusvibiswa kwenguva yakareba. Furo rakanaka, uye ine kuenderana kwakanyanya nepakati pekushandisa, semende.

Pano isu tinonyanya kusuma pfungwa nhete ye simende inopupuma zvinowedzera. Iyo nhete pfungwa yesimende inopupuma furo yakakamurwa kuita zvinhu zvitatu zvinotevera.Rondedzero yeanopupa furo,unogona kuona

1 Surfactant simende inopupuma agent

Masurfactants ane chiitiko chakanaka chepamusoro uye akanakisa reagents pakugadzirira kupupa maajenti. Sezvo amphiphilic zvinhu, iyo yemuviri uye yemakemikari zvimiro zveva surfactants zvinoenderana nemaitiro avo emorekuru. Pasi pemamiriro akafanana ekugadzirisa, iyo yakasimba iyo hydrophilic effect yeboka repolar, iyo yakanyanya kunaka kunyungudika kweiyo surfactant mumvura, uye zviri nani kuita kwefuro; asi nekuti firimu repamusoro refuro rine mvura yakawanda, kumhanya kwemvura kunokurumidza, uye furo rakadzikama. Kuda bonde. Zvakare, nekuti zvimiro zvema surfactants mukongiri uye zvimiro zvavo mune aqueous mhinduro zvinowanzosiyana zvakanyanya, kuwirirana kwemasurfactants uye simende zvimedu chinhu chakakosha chinotaridza mashandiro ekongiri ine furo..

Rosin resin foaming agent ndiyo yekutanga uye inonyanya kufarirwa surfactant foaming agent.. Mhando dzayo huru ndeye rosin sipo uye rosin thermal polymer. Chimiro chemakemikari ye sipo yerosin yakaoma. Icho chinonzi anionic surfactant. Nzira yekugadzira iri nyore, uye mutengo wakaderera. Kunyanya kukosha kwayo ndeyekuti inonyatso kuenderana nesimende uye inogona kuita ne calcium ions mu simenti kuti igadzire munyu usinganyungudika.. Iine furo kugadzikana. Chinhu chakananga chekusimbisa, asi sipo yerosin inoda kupiswa nekunyungudutswa panguva yekushandiswa. Kupupa kwayo uye kugadzikana kwefuro zvakajairika, iyo inogona kusarudzwa kana izvo zvinodiwa zvehunyanzvi zvefoam kongiri hazvina kukwirira. Kugadzirwa kwe rosin thermal polymer kunobva pane chepfu phenol seyakagadzirwa zvinhu, uye kuita kwayo kwakada kuenzana nesipo yerosin. Zvakadaro, mutengo wayo wekugadzira uye mutengo wakanyanya kukwirira, uye kune njodzi dzakavanzika dzekuchengetedza uye matambudziko ezvakatipoteredza.

Mumakore achangopfuura, vanhu vanga vachishanda mukutsvagisa kwekusanganiswa kweakasiyana surfactants. Tsvagiridzo yekusanganiswa kweanionic uye cationic surfactants yakaratidza kuti chiitiko uye viscosity yemubatanidzwa system inovandudzwa zvakanyanya kana ichienzaniswa neyechimwe-chikamu masisitimu.. Mhedzisiro yemagetsi inoshanda inogona kuderedza kukurumidza kwemvura mukati mefuro uye kuwedzera kugadzikana kwefuro, nokudaro kuramba maonero ekuti anionic uye cationic surfactants inogona kusashanda mushure mekusanganiswa..

2 Protein simende inopupuma agent

Iyo foaming musimboti weprotein foaming agents ndiko kuderedzwa kwemapuroteni. Kutsemuka kwepeptide zvisungo muprotein macromolecules kunogadzira nyore kunyungudika mapuroteni-madiki mamorekuru.. Nekuwedzera kweprotein-diki mamorekuru mune mhinduro, nhamba yemapoka e-hydrophobic zvishoma nezvishoma inowedzera, iyo inoderedza kushushikana kwepamusoro uye kuumba iyo interface. Zvakare, sezvo hydrogen zvisungo zvinoumbwa pakati pemapoka akakosha mumorekuru, strong hydrogen bonding can ensure that the solution forms a strong foam liquid film so that the foaming agent generates a stable foam. Zvisinei, protein foaming agents are susceptible to denaturation due to the external environment, such as temperature and acidity, which is an essential factor affecting the development of protein foaming agents.

Protein foaming agents can be generally divided into animal protein foaming agents and vegetable protein foaming agents. Animal protein foaming agents are usually made from keratin of cattle, sheep, and other animals as raw materials and a certain amount of reagents such as sodium hydroxide, magnesium chloride, and hydrochloric acid are added to it in proportion to a dark brown viscous liquid prepared at a specific temperature. Protein yemhuka inoita furo ine simba rakawanda refuro, kugadzikana kwakanakisa, uye mamwe maitiro, uye yakashandiswa zvakanyanya munyika dzakabudirira dzakadai seJapan neUnited States.

Chidyarwa cheprotein foaming agent chinogadzirwa kubva kune zvakasikwa polymer zvinhu kuburikidza nekuoma kwemakemikari shanduko. Ichi chinobuda furo chinowanzova mvura yakacheneruka inoonekera, iyo inonyungudika mumvura uye isinganyanyi kukanganiswa nekuoma kwemvura. Haina chepfu, isina hwema, ane simba rakasimba rekupupuma furo, uye ine furo rakawanda uye gobvu. Nehuwandu hwakafanana hwefoaming stock solution, huwandu hunopupuma hwemuriwo weprotein anoita furo mumiririri huri nani zvakanyanya pane hwemhuka inopupuma furo. Panguva imwe, mutengo wemuriwo weprotein anoita furo mumiririri wakaderera pane wemhuka yeprotein inoita furo. Ichi ndicho chikonzero chinowanzo shandiswa chirimwa chefoaming agent chiri pamusika parizvino.

Mapuroteni emhuka anoita furo nemuriwo weprotein anoita furo anogona kusanganiswa, iyo inozivikanwawo parizvino seyakanakisa mutengo-inoshanda yekupupa furo. Iko kusanganiswa kwemhuka nezvirimwa zvinoputisa furo, kune rumwe rutivi, inoderedza mutengo weiyo furo agent, pane rimwe divi, inogadzirisawo matambudziko eiyo yakaderera furo chinhu cheprotein yemhuka inoita furo pachayo, uye iyo isina kusimba furo kudzikamisa mhedzisiro yechirimwa mapuroteni anoita furo mumiririri. Iko kusanganiswa kwemaprotein maviri anopupuma ejenti kunofanirwa kunge iri nzira yekubuda mumapuroteni azvino anoita furo. Iyi zvakare imwe yeanonyanya kufarirwa maagent pamusika.

3 Protein-surfactant composite cement foaming agent synthetic foaming agent

Protein-surfactant composite foaming agent inowedzera kuwedzera basa rayo repamusoro nekushandura kupindirana kwechiso chemhinduro.. Iyo interface adsorption mashandiro mune yakasanganiswa sisitimu inonyanya kutama uye solubilization. Galvez-Ruiz et al. Akadzidza kuburitsa furo kweprotein-surfactant composite foaming agents, uye zvigumisiro zvinoratidza kuti mamiriro ehutano pakati peprotein uye surfactant anogona kukanganisa kugadzikana kwefuro. Iyo yakawanda mamorekuru eiyo inoshanda mumiriri adsorbed pane membrane, iyo yakasimba iyo elasticity uye yakakwirira density. Naizvozvo, iyo gasi mufuro haingakurumidzi kupararira kuburikidza ne membrane yemvura kune kunze, uye furo rinogona kugara rakadzikama kwenguva yakareba. MuChina, vanhu vari muindastiri vakadzidza mhedzisiro yealkyl benzene sulfonate uye zvimwe zvinhu pakupupa kunoita furo.. Zvidzidzo zvinoratidza kuti rini 0.2 g ye alkylbenzene sulfonate inowedzerwa kune 30 mL yemvura inoputika. Zvese zviri zviviri kupupa kwemvura uye kugadzikana kwefuro zvakavandudzwa zvakanyanya.

Pakaita furo 16.7, uye nguva yekudzikamisa furo yaive yakanaka kupfuura 3 h. Munyika dzekunze, composite foaming agents dzakadzidzwa kare. Semuyenzaniso, liquid foaming agents inoumbwa nealkali metal sulfonic acid alkali metal salts uye hydrolyzed protein yakagadzirwa muUnited States uye yakasanganiswa furo yakagadzirwa nekuwedzera huwandu hwakakodzera hwe cationic surfactant muJapan.. Agent. Iri rudzi rweanopupa furo rine kuita kwakagadzikana, refu furo-kudzikamisa nguva, uye kuenderana kwakanyanya nemamwe midhiya senge simende, asi mutengo wayo wazvino uno wakakwira. Ichi ndicho chikonzero chinorambidza kushandiswa kwakakura kwerudzi urwu rwesimende inopupuma furo.

Muchidimbu, takaongorora mhando dzesimende dzinopupa furo mukongiri yakareruka uye maitiro avo akasiyana ekuita. Mhando dzakasiyana dzesimende dzinopupa furo dzine mamiriro akasiyana ekushandisa. Iwe unogona kusarudza inopupa mumiriri ine yakanyanya mutengo kuita zvinoenderana nemamiriro chaiwo. Kana zvinodiwa zvefuro hazvina kukwirira, iwe unogona kusarudza yemiriwo yeprotein foaming agent. Kana iri furo simende yakapedzwa chigadzirwa chakaita seye light partition board kana block, unogona kusarudza mhuka inoputira furo kana mhuka uye chirimwa chinosanganiswa. Foaming agent kuti apedze. Panguva imwe, vagadziri vechiedza foam kongiri yakapera zvigadzirwa zvinogamuchirwa kushanda pamwe navo. Tongrun yakazvipira mukusimudzira uye kushandiswa kweakasiyana ekuwedzera kune mwenje foam kongiri.

Cie-China.org ndiyo inotungamira furo kongiri yekuwedzera inopa inopa kongiri inopupuma mumiriri, superplasticizer,foam kongiri simba rekusimudzira kune lightweight kongiri, CLC inovhara. Kana uri kutsvaga foaming agent, ndapota inzwa wakasununguka taura nesu.