1. Yimiphi imisebenzi ye-latex evuselelayo ye-latex powder kudaka?
Impendulo: I-latex evuselelayo ye-latex ibunjiwe ngemuva kokuhlakazeka futhi isebenza njengesinamathisela sesibili ukuthuthukisa isibopho; I-colloid evikelayo idonswa uhlelo lodaka (ngeke kuthiwa abhujiswe ngemuva kokubumba. noma ahlakaze kabili); I-polymerization ebunjiwe I-resin yenyama isatshalaliswa kulo lonke uhlelo lodaka njengento eqiniswayo, ngaleyo ndlela yanda ukubumbana kodaka.
2. Yini imisebenzi ye-latex evuselelayo ye-latex ku-datar emanzi?
Impendulo: Thuthukisa ukusebenza kokwakha; thuthukisa ububi; khuphula i-thixotropy kanye nokumelana kwe-sag; ngcono ukubumbana; ukwanda isikhathi esivulekile; yenza ukugcinwa kwamanzi;
3. Yini imisebenzi ye-satex evuselelayo ye-latex powder ngemuva kokulashwa kodaka?
Impendulo: Khulisa amandla ashubile; ukuthuthukisa amandla okugoba; Yehlisa i-Elestic modulus; khulisa ukonakala; Khulisa ukuqina kwezinto ezibonakalayo; Khulisa ukumelana kokugqoka; Khulisa amandla ahlanganayo; Ine-hydrophopobicity enhle kakhulu (engeza i-hydrophobic rubber powder).
4. Yini imisebenzi ye-latex evuselelayo ye-latex emkhiqizweni omisiwe omile omile?
01. Adhesive
① Umphumela ngodaka olusha
A. Nweba isikhathi esisebenzayo nesikhathi esiguqukayo;
B. Thuthukisa ukusebenza kokugcinwa kwamanzi ukuze uqinisekise ukuthi amanzi aqhekeke kasimende;
C. Thuthukisa ukumelana kwe-SAG (i-runber ekhethekile eguquliwe)
D. Thuthukisa ukukhiqizwa (okulula ukuzakha ku-substrate, kulula ukucindezela ithayela ekunamathisweni).
② Umphumela ngodaka olukhuni
A. Inama-adhesion amahle kuma-substrate ahlukahlukene, kufaka phakathi ukhonkolo, udaka, izinkuni, amathayili amadala, i-PVC;
B. Ngaphansi kwezimo ezahlukahlukene zesimo sezulu, ivumelana nezimo ezinhle.
02
① Umphumela ngodaka olusha
A. Nweba amahora okusebenza;
B. Thuthukisa ukusebenza kokugcinwa kwamanzi ukuze uqinisekise i-hydrate of usimende;
C. Thuthukisa ukusebenza.
② Umphumela ngodaka olukhuni
A. Inama-adhesion amahle ebhodini lePolystyrene nakwezinye izigatshana;
B. ukuguquguquka okuhle kakhulu kanye nokumelana nomthelela;
C. Kuyinto enhle ye-vapor yaphuphuthekayo;
D. Ukuchitheka kwamanzi okuhle;
E. Ukumelana kwesimo sezulu okuhle.
03. Ukuzimela
① Umphumela ngodaka olusha
A. Siza ekuthuthukiseni ukuhamba;
B. Thuthukisa ukubumbana futhi unciphise ukunxusa;
C. Yehlisa ukwakheka kwe-bubble;
D. Thuthukisa ubushelelezi bendawo;
E. Gwema ukuqhekeka kusenesikhathi.
② Umphumela ngodaka olukhuni
A. Thuthukisa ukumelana kokuqhekeka kokuzilinganisa;
B. Thuthukisa amandla okugoba kokuzilinganisa;
C. Thuthukisa kakhulu ukumelana nokugqoka kokuzilinganisa;
D. Khulisa kakhulu amandla ebhondi wokuzilinganisa.
04. I-putty
① Umphumela ngodaka olusha
A. Thuthukisa ukusungulwa;
B. Faka ukugcinwa kwamanzi okungeziwe ukuze uthuthukise i-hydration;
C. Khulisa ukusebenza;
D. Gwema ukuqhekeka kusenesikhathi.
② Umphumela ngodaka olukhuni
A. Yehlisa i-modulus ye-eastic yodaka futhi wandise ukufana kwesendlalelo sesisekelo;
B. Khulisa ukuguquguquka futhi umelana nokuqhekeka;
C. Thuthukisa ukumelana nempuphu;
D. hydrophobic noma ukunciphisa ukumuncwa kwamanzi;
E. Khulisa ukunamathela kungqimba eyisisekelo.
05. Isidakamizwa esingenamanzi
② umphumela ngodaka olusha:
A. Thuthukisa ukusungulwa
B. Khuphula ukugcinwa kwamanzi futhi uthuthukise i-hydration yesilo;
C. Khulisa ukusebenza;
② Umphumela ngodaka olukhuni:
A. Yehlisa i-modulus ye-eastic kadaka futhi uthuthukise ukufana kwesendlalelo sesisekelo;
B. Khulisa ukuguquguquka, vimbela ukuqhekeka noma unekhono lokubopha;
C. Thuthukisa ubuntu bodaka;
D. Hydrophobic;
E. Khulisa amandla abumbene.
Isikhathi sePosi: Mar-31-2023