Focus on Cellulose ethers

Impushana ye-latex ehlakazeka kabusha

I-latex powder e-redispersible iyimpushana eyenziwe ngemva kokufuthwa kwe-emulsion ekhethekile. Kuyi-copolymer ye-ethylene ne-vinyl acetate. Ngenxa yekhono layo eliphezulu lokubopha kanye nezakhiwo eziyingqayizivele, njengokuthi: ukumelana namanzi, ukwakhiwa kanye nokufakwa kwe-Thermal properties, njll, ngakho-ke inezinhlobonhlobo zezicelo. Ine-redispersibility enhle, futhi iphinde ihlakazeke ibe yi-emulsion lapho ithintana namanzi, futhi izakhiwo zayo zamakhemikhali zifana ncamashi ne-emulsion yokuqala. Ngemva kokuxuba namanzi odaka (i-putty), Emulsify futhi uhlakaze ngamanzi ukuze wenze kabusha i-emulsion ye-polymer ezinzile. Ngemva kokuba i-latex powder ehlakazeka kabusha ihlakazekile emanzini, amanzi ayahwamuka futhi enze ifilimu ye-polymer odakeni olomisiwe ukuze kuthuthukiswe izakhiwo zodaka.

umsebenzi oyinhloko:

1. Thuthukisa ukunamathela kanye nezakhiwo zemishini ye-putty. I-latex powder e-redispersible ingaphinde ihlakazeke ibe yi-emulsion ngemva kokuxhumana namanzi, futhi inezakhiwo ezifanayo njenge-emulsion yokuqala, okungukuthi, ifilimu ingakhiwa ngemva kokuba amanzi eqhuma. Le filimu inokuguquguquka okuphezulu, ukumelana nesimo sezulu esiphezulu kanye nokumelana nokunamathela okuhlukahlukene okuphezulu kuma-substrates.

2. Thuthukisa ukuhlangana kwe-putty, ukumelana okuhle kakhulu kwe-alkali nokumelana nokugqoka, futhi uthuthukise amandla okuguquguquka.

3. Thuthukisa ukumelana namanzi nokungangeni kwe-putty.

4. Thuthukisa ukugcinwa kwamanzi kwe-putty futhi ukwandise isikhathi esivulekile.

5. Thuthukisa ukumelana komthelela we-putty futhi uthuthukise ukuqina kwe-putty.

 

Ukungalungi okuvamile nezindlela zokwelashwa kwe-putty powder

1. Izimbangela zokuphambuka kwe-chromatic:

1. I-putty powder ngokwayo ingumkhiqizo ophelile, futhi ukungazinzi kwezinto zokusetshenziswa kungenye yezizathu eziyinhloko zomehluko wombala. Ngenxa yokuthi i-mineral powder embiwa endaweni yezimayini izoba nekhwalithi ehlukene ngenxa yezifunda ezihlukahlukene, uma unganaki ukuthunyelwa, kuzoba namaqoqo ahlukene okuhluka kombala.

2. Ngenxa yokuthi umphakeli usebenzisa indlela “yokugcwalisa inombolo” ukuze axube futhi alethe izinto zokusetshenziswa zebanga eliphansi, ngenxa yokuthi inani elithengiwe likhulu, akunakwenzeka ukulibona isheke ngalinye ngalinye, okuholela “kunhlanzi eyodwa eshibilikele phakathi. inetha” elixutshwe ekukhiqizeni, okuholela ekuhlukeni kwemibala ngayinye.

3. Umehluko wombala obangelwa ukuhlanganisa amamaki ahlukene ezinto zokusetshenziswa ndawonye ngenxa yamaphutha abasebenzi abakhiqizayo noma umehluko wombala obangelwa ukukhuhla izinhlobo ezahlukene zemikhiqizo odongeni olufanayo.

Indlela:

1. 2. Umehluko wombala ngokuvamile awuyona inkinga yefomula, ngakho-ke ayikho inkinga yekhwalithi. Uma udonga oluzodwetshwa ngokuvamile lungambozwa ngefilimu yepende, ngeke luthinte umphumela wokuhlobisa jikelele. Isibonelo, ngokuvamile kuklwejwa amajazi amabili noma amathathu ngaphandle kokudweba Uma kunomehluko wombala odongeni, kunconywa ukukhuhla i-putty powder noma upende ngaphandle kokuhluka kombala.

3. Bonke abasebenzi abathintekayo ekukhiqizeni nasekwakheni kufanele benze ukukhiqiza nokwakha ngokuhambisana ngokuqinile nezindinganiso ezifanele ukuze bagweme izinkinga zekhwalithi yokwenziwa.

Qaphela: Uma kunomehluko wombala phakathi nenqubo yokwakha, kufanele kubikwe kumphakeli kusenesikhathi. Uma kunomehluko wombala phakathi nokwakhiwa kokuqala, kufanele kulungiswe ngesikhathi, futhi iqoqo elifanayo lemikhiqizo kufanele likhishwe kuze kube sekugcineni.

ezimbili. Ukususwa kwe-powder ebusweni;

imbangela:

1. Izizathu zokwakha: Isimo esihle sokuxebuka ebusweni esibangelwa uchwepheshe kapende omisa udonga nge-scraper izikhathi eziningi phakathi nokwakhiwa kokugcina, kuzokwenza izimpawu zempushana ngemva kokoma.

2. Izizathu ezenziwe umuntu: Lapho i-putty yokugcina yokwakha ingomile, uthuli lwangaphandle lunamathele odongeni (imisebenzi yokusika, imimoya enamandla, ukuhlanza phansi, njll.) okuholela ekukhishweni kwempuphu yamanga odongeni.

3. Isizathu sokukhiqiza: ngenxa yokuthi abasebenzi abakhiqizayo babeka ngokungafanele ingxenye yefomula yezinto ezingavuthiwe, noma ngenxa yokuvuza kwemishini yomshini, ifomula ayizinzile futhi impushana iyasuswa.

Indlela:

1. Inkosi yokwakha kufanele inake umswakama ongaphezulu we-putty lapho iqeda ukuqeda kokugcina ngaphandle kokudweba. Uma yome kakhulu, izobangela ukuxebuka kanye nempushana. Vele ubushelelezi izimpawu zommese ngesikhathi sokuqeda, futhi akufanelekile ukomisa ukuklebhula izikhathi eziningi.

2. Uma kukhona ukubukeka okungamanga okubangelwa uthuli olufakwe odongeni, uthuli kufanele lususwe ngamabhomu ezimpaphe zenkukhu ngemva kokuqedwa kokuhlobisa, noma kusulwe ngamanzi ahlanzekile nangendwangu ehlanzekile.

3. Uma kwenzeka ukomisa ngokushesha futhi kukhishwe impuphu, linda abasebenzi bezobuchwepheshe benkampani ukuthi beze esizeni ukuze babone ukuthi ingabe kubangelwa ifomula yomkhiqizo.

Qaphela: Uma kuyinkinga ngefomula yomkhiqizo, izimpawu kufanele kube ukuthi akulula ukukhuhla lapho ukhuhla, yoma ngokushesha, futhi ungqimba lwe-putty luyaxega ngemva kokoma, kulula ukususa impushana, futhi kulula ukuqhekeka.

ezintathu. thola isikhunta:

imbangela:

1. Odongeni lwamakhethini odongeni, into eluhlaza esetshenziswayo udaka oluxubile lwesihlabathi sasolwandle nosimende, olune-asidi ephezulu kanye ne-alkalinity, ukuze ukusabela kwesisekelo se-asidi kuzokwenzeka kulayini we-skirting olula ukuswakama. noma lapho udonga luvuza khona, okwenza udonga lonakale. Izinwele ezinde, isikhutha, igobolondo elingenalutho, ukuchitheka nezinye izenzakalo.

Indlela:

1. Khipha izindonga ezikhuntile nezingenalutho bese uhlanza izindonga ngamanzi ahlanzekile. Uma kukhona ukuvuza kwamanzi noma izindonga ezimanzi, umthombo wamanzi kufanele uqedwe ngesikhathi, futhi i-anti-alkali putty powder ingaphinde ichithwe ngemva kokuba izindonga zome ngokuphelele.

Qaphela: Ngokuvamile, kukhona isikhutha odongeni, ngokuyisisekelo entwasahlobo lapho izinga lokushisa liphezulu.

Ezine. ngokushesha ome

imbangela:

1. Ngenxa yesimo sezulu esishisayo nokushisa okuphezulu ehlobo, amanzi ayahwamuka ngokushesha, futhi amanzi ahwamuka ngokushesha ngesikhathi se-batch scraping ye-putty powder, evame ukwenzeka ekwakhiweni kwesibili noma ngaphezulu.

2. Isizathu sokukhiqiza: Isenzakalo sokumisa ngokushesha esibangelwa izisebenzi ezikhiqizayo ngokunganaki ukubeka ngokungalungile ingxenye yefomula yezinto ezingavuthiwe, noma ifomula alizinzile ngenxa yemishini engavamile.

Indlela:

1. Ngesikhathi sokwakhiwa, izinga lokushisa akufanele libe ngaphezu kuka-35 ° C, futhi i-putty powder akufanele ikhishwe kakhulu noma izinto ezithintekayo zibe zincane kakhulu.

2. Esimeni sokumisa ngokushesha, linda ochwepheshe ukuthi beze endaweni yesigameko ukuze babone ukuthi ingabe ibangelwa ifomula yomkhiqizo.

Qaphela: Uma kwenzeka ukoma okusheshayo, kunconywa ukuthi isicelo sangaphambilini kufanele sigcwaliswe cishe amahora angu-2 ngesikhathi sokwakhiwa, futhi isicelo esilandelayo kufanele senziwe lapho ubuso bomile, obunganciphisa ukomisa ngokushesha.

Ezinhlanu. umgodi wokucasha

imbangela:

1. Kuyinto evamile ukuthi izimbobo zokukhonkotha zivele ngesikhathi sokuklwejwa kokuqala. Ngenxa yokuthi ungqimba lwe-putty powder lukhudlwana lapho ungqimba lokuqala luklwejwa, futhi alufanele ukuthotshiswa, luzothinta ukunamathela kwesendlalelo sesibili ngemva kokufakwa isicaba. Okwesibili, amaphinifa avela ezindaweni ezintathu lapho udonga lungalingani. Ngenxa yokuthi izindawo ezingalingani zidla izinto zokwakha eziningi futhi zome kancane, kunzima ku-scraper ukuhlanganisa ungqimba lwe-putty powder ezindaweni ezigobile, ngakho-ke kuzokhiqiza Ezinye izimbobo.

2. Ngenxa yokuntuleka kokukhanya ngesikhathi sokwakha, izisebenzi zokwakha zizoziba ezinye izimbobo ezincane odongeni ngesikhathi sokwakha, kanye nezinye izimbobo ezibangelwa ukuhluleka ukuzilinganisa ngesikhathi.

Indlela:

1. Ukuze uthole indawo engalingani odongeni, kufanele igcwaliswe ngangokunokwenzeka ngesikhathi sokwakhiwa kokuqala (ngoba amaphinifa amahle esifundweni sokuqala ngeke athinte ukwakhiwa okuvamile kwesifundo sesibili), okulungele ukukhuhla okwesibili futhi izingqimba ze-putty ze-putty Uma ziyisicaba, nciphisa ukukhiqizwa kwezimbobo.

2. Naka ukukhanya ngesikhathi sokwakha. Uma ukukhanya kunganele lapho isimo sezulu sisibi noma ukukhanya kushintsha kusuka ekukhanyeni kuya kumnyama kusihlwa, ukwakhiwa kufanele kwenziwe ngosizo lwemishini yokukhanyisa ukuze kugwenywe izinkinga ze-pinhole zokwenziwa ezibangelwa amaphutha wokwakha.

Qaphela: I-putty powder ene-viscosity ephezulu noma ukomisa kancane kuzokhiqiza izimbobo ezithile, futhi kufanele kuqashelwe ubuhlakani befomula yomkhiqizo.

eziyisithupha. delamination

imbangela:

1. Njengoba i-putty engavimbeli amanzi ekhiqizwa yinkampani yethu iwuhlobo oluhamba kancane, lapho umkhiqizo wangaphambili ukhishwa odongeni, ubulukhuni bawo buzokhula ngokunwetshwa kwesikhathi noma lapho kuvezwa isimo sezulu esimanzi noma amanzi. Isikhathi sokwakhiwa kwe-batch scraping side kakhulu. Ngemva kokuba ukwakhiwa kokugcina kuqediwe, ukugcotshwa kwesihlabathi kuzoqala. Isendlalelo sangaphandle sikhululekile futhi kulula ukusifaka isihlabathi. Akulula ukupholisha, ngakho-ke imiphumela emibili ehlukene yokugaya ngaphandle kodonga izokwakha into efana nokwendlaleka.

2. Eqeqebeni lokugcina le-batch scraping, ingcindezi iqine kakhulu, iqoqo libushelelezi kakhulu, futhi isikhathi sokuphumula side. Ngenxa yethonya lesimo sezulu esimanzi namanzi, ubulukhuni befilimu yangaphandle kanye nesendlalelo esingaphezulu kuzohluka. Lapho ugaya, ngenxa ebusweni Ubulukhuni befilimu buhlukile kulokho kwesendlalelo esingaphezulu. Ungqimba lwangaphakathi luyaxega futhi kulula ukugaywa lujule, kuyilapho ukuqina kwefilimu engaphezulu kuphezulu futhi akulula ukupholishwa, okuzokwenza i-delamination phenomenon.

Indlela:

1. Ngemva kokuqedwa kokwakhiwa kwangaphambilini, isikhathi sokuphumula side kakhulu ngenxa yezinye izizathu zokuthi ukwakhiwa ngeke kuqedwe ngesikhathi esisodwa, noma ngenxa yesimo sezulu esimanzi, inkathi yemvula, amanzi nezinye izizathu; kunconywa ukuthi i-putty emibili kufanele ichithwe ku-Powder elandelayo yokwakha, ukuze ugweme i-delamination ebangelwa ukugaya okuphansi lapho kusanding.

2. Uma ukhuhla iqoqo lokugcina, qaphela ukuthi ungacindezeli kakhulu. Udonga oluzopholishwa alukwazi ukupholishwa, futhi izimbobo nezimpawu zommese zingenziwa isicaba. Esimeni sezulu esimanzi noma inkathi yemvula, ukuhlinzwa kufanele kumiswe futhi kulindwe isimo sezulu Ingasebenza uma ingcono. Uma uhlangabezana nesimo sezulu esimanzi noma imvula ngemva kokuklwebha inqwaba yokugcina, kufanele uyipholise ngakusasa ukuze ugweme ukubola okubangelwa ifilimu engaphezulu yodonga emunca amanzi nokuqina.

Qaphela: 1. Udonga oluhlanganisiwe nolupholishiwe akufanele lupholishwe;

2. Ukusebenza kufanele kumiswe ngenkathi yemvula noma isimo sezulu esimanzi, ikakhulukazi ezindaweni ezinezintaba lapho izimo zezulu zishintsha khona futhi kufanele kuqashelwe ngokukhethekile.

3. Ngemuva kokwakhiwa kwe-putty powder engamelana namanzi, kufanele ipholishwe phakathi nesonto elilodwa ngaphansi kwezimo ezijwayelekile.

Isikhombisa. Kunzima ukupholisha

Izimbangela:

1. Kunzima kakhulu ukupholisha udonga olucindezelwe kakhulu noma oluphucuziwe ngesikhathi sokwakhiwa, ngoba ukuminyana kongqimba lwe-putty powder kuzokwanda uma ingcindezi iqine kakhulu noma iphucuziwe ngesikhathi sokwakhiwa, kanye nokuqina kodonga oluqinile. izokwanda futhi.

2. Iqoqwana lokugcina selikhutshiwe isikhathi eside futhi alikapholishwa noma lifakwe emanzini anjengalawa: (isimo sezulu esinomswakama, inkathi yemvula, ukugeleza kodonga, njll.) Ingaphezulu lodonga linzima kakhulu ukulipholisha, ngoba I-putty powder engangeni emanzini ekhiqizwa inkampani yethu ingumkhiqizo owomisa kancane. Izici zomkhiqizo Yebo: ukuqina kuzofinyelela okungcono kakhulu ngemva kwenyanga eyodwa, futhi umphumela wokuqina uzosheshisa uma uhlangana namanzi. Lezi zimo ezimbili ezingenhla zizokwandisa ubulukhuni bodonga, ngakho-ke kuba nzima kakhulu ukupholisha, futhi indawo yodonga olupholile izoba lukhuni.

3. Amafomula we-putty powder ahlukile, kodwa axutshwe ndawonye, ​​noma isilinganiso sefomula silungiswa ngokungalungile, ukuze ukuqina komkhiqizo ngemva kokukhuhla kwe-batch kuphakeme (njengokuthi: ukusetshenziswa okuxubile kwe-putty yodonga lwangaphakathi nangaphandle. powder, njll.).

Indlela:

1, 2. Uma udonga luqine kakhulu noma lupholishiwe futhi ludinga ukupholishwa, qala usebenzise i-sandpaper engu-150# ukuze ugaye, bese usebenzisa i-sandpaper engu-400# ukulungisa okusanhlamvu noma ukuklebhula kanye noma kabili ngaphambi kokupholisha.

Isishiyagalombili. Ukungezwani komzimba nesikhumba

imbangela:

1. Umkhiqizo uqukethe i-alkalinity ephezulu. Njengoba impushana engavimbeli amanzi ethengiswa emakethe iqukethe isisekelo sikasimende, i-alkalinity iphezulu kakhulu. Ngeke kwenzeke ngemva kokujwayela (njengabantu abasebenze kusimende, i-lime calcium, njll.).

Indlela:

1. Kubantu abathile abanokunwaya kwesikhumba lapho beqala ukuthintana nabo, bangakwazi ukuzivumelanisa nezimo ngemva kokuthintana izikhathi ezintathu kuya kwezine. Uma isikhumba sizwela, sebenzisa amafutha e-rapeseed ukuze usisule bese usigeza noma usigcobe nge-Piyanping nejeli yenhlaba. Kulabo abanesikhumba esizwelayo, kuyanconywa ukuthi bagcobe amafutha e-rapeseed esikhumbeni esivele ngaphambi kokupholishwa ukuze kuvinjelwe ukungezwani nesikhumba.

2. Khetha i-low-alkali putty powder: Kunconywa ukuthi umhlobiso odongeni kufanele uphuculwe futhi upende. Uma uthenga i-putty powder, kufanele ukhethe i-low-alkali putty powder ukuze ugweme ukungezwani komzimba nesikhumba.

Qaphela:

1. Uma isimo sezulu sishisa, ujuluka kakhulu futhi ama-capillary pores avuleke kakhulu, ngakho-ke kufanele unake ukuvikela.

2. Uma umkhiqizo ungena emehlweni ngephutha, sicela ungawuhlikihli ngezandla zakho, bese uwugeza ngamanzi ngokushesha.

3. Igumbi lokugaya kufanele ligcinwe lingenisa umoya, futhi izinto zokuzivikela njengezifihla-buso nezigqoko kufanele zigqokwe.

Ayisishiyagalolunye. Imifantu, Imifantu, Izimpawu Ezimnyama

imbangela:

1. Ngenxa yethonya lezici zangaphandle, udonga lwesakhiwo luqhekekile, njengesimiso sokunwetshwa kokushisa kanye nokunciphisa izinga lokushisa, ukuzamazama komhlaba, ukwehla kwesisekelo kanye nezinye izici zangaphandle.

2. Ngenxa yengxenye engalungile yodaka oluxubekile odongeni lwamakhethini, lapho i-viscosity iphezulu, udonga luzoncipha ngemva kokuba udonga lome ngokuphelele, okuholela ekuqhekekeni nasekuqhekekeni.

3. Ukwenzeka kokuqhekeka kwe-putty powder ngokuyisisekelo kuzokwenza imifantu emincane odongeni, njengamamaki ekhabe yenkukhu, amagobolondo ofudu nezinye izimo.

Indlela:

1. Njengoba amandla angaphandle engalawuleki, kunzima ukuwavimbela.

2. Ukwakhiwa kwe-putty powder batch scraping kufanele kwenziwe ngemuva kokuthi udonga oluxubekile lodaka lome ngokuphelele.

3. Uma i-putty powder iqhekeka, kufanele iqinisekiswe ngabasebenzi bezobuchwepheshe benkampani esizeni ukuze bahlole isimo sangempela sodonga.

Qaphela:

1. Kujwayelekile ukuthi kuqhekeke iminyango, amafasitela nemishayo.

2. Isitezi esiphezulu sesakhiwo sisengozini yokuqhekeka ngenxa yokwanda nokuncipha kwezinga lokushisa.


Isikhathi sokuthumela: Jan-03-2023
Ingxoxo ye-WhatsApp Online!