Starch Ether, njenge-Starch elungisiwe, isetshenziswa kabanzi ekunamathisweni kwe-gypsum ukuthuthukisa izakhiwo zayo zokubopha, izakhiwo zokwakha kanye nezakhiwo zokugcina zemishini. I-gypsum adhesive impahla ejwayelekile yokwakha esetshenziselwa ukubopha futhi unamathisele amabhodi we-gypsum, izinto zokuhlobisa, njll. Ukungeza isitashi i-ether kuya ku-gypsum adhesive kungathuthukisa kakhulu ukucubungula kwayo nokusebenzisa ukusebenza kwayo.
(1) Izici ze-Starch Ether
I-Starch Ether yi-polymer ancibilike ye-polymer eyakhiwe ngokuguqulwa kwamakhemikhali kwesitashi semvelo. Izithambisi ezijwayelekile zeStack zifaka i-hydroxypropylylylyl ether, i-carboxymethyls starch ether, i-ether ether, njll. Lezi zinkanyezi eziguquliwe zigcina amathambo ayisisekelo esiteshini semvelo esakhiweni semvelo esesakhiweni noma amanye amaqembu asebenzayo.
Izici zifaka:
Indawo enhle yokuqina
Ukugcinwa kwamanzi: Kunganikeza amandla athile okugcina amanzi ekunamatheksthi, andise isikhathi sokusebenza, futhi agweme ukuqhekeka okubangelwa ukulahleka kwamanzi ngokweqile.
I-Adhesion: Ithuthukisa ukunamathela phakathi kokunamathela kwe-gypsum kanye ne-substrate, ukuthuthukisa umphumela wokubopha.
Ukuguqulwa okuguquguqukayo: Izakhiwo ezifana nezinga lokuqothula kanye nezimpawu ze-viscosity zingenziwa ngokwezifiso ngokushintsha isakhiwo samakhemikhali se-starch.
(2) Indlela Yokusebenza Kwe-Starch Ether in Gypsum Adhesive
1. Ukuqina komphumela
Ngemuva kokuthi i-Starch Ether iyachithwa emanzini, kwakhiwa i-polymer chain ingabamba futhi ilungise inani elikhulu lama-molecule amanzi, ngaleyo ndlela akhuphule ukubonwa kohlelo lokunamathela. Lo mphumela wokuqina awusizi kuphela ukuthuthukisa ukusebenza kokwakha kwe-gypsum adhesive, kepha futhi kungavimba ukugcwala ngezinga elithile, kuqinisekisa ukufana nokuqina kongqimba lwe-coatio.
2. Umphumela wokugcina amanzi
Impahla yokugcinwa kwamanzi ye-Starch Ether ivumela ukunamathela kwesitayela ukuze alondoloze umswakama ofanele ngesikhathi sokwakha, ukugwema inkinga yokuqhekeka okubangelwa ukuhwamuka okusheshayo komswakama. Ngasikhathi sinye, impahla enhle yokugcinwa kwamanzi isiza inqubo yokuvula ye-gypsum anamathesi, okwenza umkhiqizo ophelile uhlala isikhathi eside.
3. Ukusebenza okuthuthukile kokwakha
Ngokusebenzisa ukuqina nokugcinwa kwamanzi, i-starch ether ingathuthukisa kakhulu ukusebenza kokwakha kwe-gypsum anamathela, njengokukhulisa isikhathi (isikhathi sokuvula) nesikhathi sokulungisa, ukuze abasebenzi bezokwakha bangaba nesikhathi esithe xaxa sokwenza izinguquko nokulungiswa. Ngaphezu kwalokho, isitashi i-ether ingathuthukisa uxhaso lwe-coatity, okwenza kube lula futhi kube lula ukufaka isicelo, futhi kunciphise ukwenzeka kweziphambeko ezinjengezimbobo zesihlabathi.
4. Ukusebenza okuthuthukile
Ukuba khona kwesitashi ether kukhulisa amandla amakhulu phakathi kokunamathela kanye ne-substrate, ngaleyo ndlela athuthukise amandla okubopha. Lokhu kubaluleke kakhulu ukuthi izinhlelo zokusebenza ezidinga ukunamathela okuphezulu, njengokunamathisela kwebhodi le-gypsum nokugcwaliswa okuhlangene.
(3) Umphumela wohlelo lokusebenza lwe-Starch Ether
1. Khulisa ukubonakala kwe-gypsum adhesive
I-Starch Ether ingakhulisa kakhulu ukubonakala kwe-gypsum adhesive, ngaleyo ndlela kuthuthukise ukusebenza kwayo kokwakhiwa. I-viscosite efanelekile inganciphisa ukugcwala, yenza ngcono ukusebenza lula kanye nokufana kokuhlangana.
2. Isikhathi esandisiwe sokusebenza
Ngokusebenzisa izakhiwo ezinhle zokugcina amanzi, i-starch ether inganweba isikhathi sokusebenza se-gypsum anamatheli, ukuvumela abasebenzi bezokwakha ukuba benze imisebenzi yokwakha ngokuzithoba. Isikhathi sokusebenza eseluliwe singanciphisa isilinganiso sokuphinda sisebenze ngesikhathi sokwakha futhi sithuthukise ukusebenza kahle komsebenzi.
3. Amandla akhuphukile ahlanganisa amandla
Ukungezwa kwesitashi ether kukhulisa amandla okugcina okunamathela kokunamathela, okwenza umphumela wokubopha uhlala isikhathi eside futhi uzinzile. Lokhu kubaluleke kakhulu kwizimo zohlelo lokusebenza eziphezulu, njengokulungiswa nokugcwaliswa okuhlanganisiwe kwamabhodi we-gypsum.
4. Ukwenza ngcono uketshezi nokusebenza kokwakha
Izici ezinhle zembobo ezinobuthi bezinkanyezi zenza izinamathiseli ze-gypsum zinokusebenza okungcono nokwenza umsebenzi, okulula ukuzisebenzisa futhi zinciphise ubunzima kanye nokulimazeka ekwakhiweni.
(4) Ungayisebenzisa kanjani iStarch Heather
1. Izidingo zesilinganiso
Inani le-Starch Ether elingezwe kuma-gypsum adhesives ngokuvamile lincane, ngokuvamile phakathi kuka-0,1% no-0.5% (ingxenyana enkulu). Inani elithile lidinga ukulungiswa ngokuya ngefomula, sebenzisa imvelo kanye nezidingo zokusebenza kwe-gypsum adhesive. Kungenzeka ukwengeza ngokweqile kungadala ukubonakala ngokweqile futhi kuthinte imisebenzi yokwakha.
2. Isikhathi sokungezwa
I-Starch izithembiso zivame ukungezwa ngesikhathi sokulungiswa kwama-gypsum anamanzi. Zivame ukungezwa ngaphambi kokuxuba ezinye izinto zokwakha i-powder noma ngesikhathi sokuxuba ukuqinisekisa ukuthi zingachithwa ngokugcwele futhi zihlakazeke ngokulinganayo.
3. Ukuxuba Indlela
AbakwaStarch Abathathi bangaxutshwa ngokulinganayo nezinye izinto ze-powder ngokuvusa imishini. Ukuze ugweme ukulondolozwa noma ukukheka, kunconyelwa ukungeza kancane kancane futhi uvuse kahle. Ngokukhiqizwa okukhulu okuphezulu, imishini yokuxubha ezinikezele ingasetshenziswa ukwenza ngcono ukufana kokufakelwa kanye nokusebenza kahle kokukhiqiza.
(5) Sebenzisa amacala nezinyathelo zokuphepha
Sebenzisa amacala
I-Gypsum Board Jointger Filler: Ngokungeza isitashi ether, ukusebenza kokugcinwa kwamanzi kwe-filler kuyathuthukiswa, ukuqhekeka kuyagwenywa, futhi amandla ahlanganisiwe ahlanganisiwe ayathuthukiswa.
I-Gypsum Adhesive: Isetshenziselwa amabhodi e-bonding gypsum nezinye izinto zokwakha ukuthuthukisa ukusebenza kokwakha namandla ebopha.
I-Gypsum Leveling Material: Isetshenziselwa ukwakhiwa kwezindonga noma phansi ukuthuthukisa izinga nokunamathela kwe-coating.
Izinyathelo zokuzivikela
Ukulawulwa komthamo: Ukulawula ngokunengqondo inani le-starch ether ukugwema ukubonakala ngokweqile noma ukusebenza kabi okunamathelayo ngenxa yomthamo ngokweqile.
Izimo zezemvelo: Ngomswakama ophezulu noma izindawo zokushisa eziphansi, ukusebenza kwe-starch ether kungathinteka ezingeni elithile, bese ifomula idinga ukulungiswa ngokuya ngezimo zangempela.
Ukuvumelana: Nakisisa ukuhambisana nezinye izengezo zokugwema ukuphendula okunzima.
Ukusetshenziswa kwe-Starch Ether kuma-gypsum adhesives, ngokuqina kwayo okuhle, ukugcinwa kwamanzi kanye nezimpawu zokusebenza zokwakha ezithuthukisiwe, kuthuthukisa kakhulu ukusebenza kwe-gypsum. Ngokusebenzisa okunengqondo nokuhlukaniswa, ukusebenza okuphelele kwe-gypsum adhesive kungathuthukiswa ngempumelelo ukufeza izidingo zemisebenzi eyehlukene yokwakha. Ngokuzayo, ngokuthuthuka kobuchwepheshe kanye nezinguquko ekufuneni kwemakethe, ukusetshenziswa kweStarch Ether ku-Gypsum Adhesive kuzoqhubeka nokuthuthukisa nokudlala indima enkulu.
Isikhathi sePosi: Feb-17-2025