isibhengezo_sekhasi

imikhiqizo

Umkhiqizi Intengo Enhle I-Triphenylmethane emithathu isocyanate(isixazululo se-ethyl acetate) CAS: 141-78-6 Brand: Desmodur_RE

incazelo emfushane:

inhlanganisela yemvelo enefomula CH3COOCH2CH3.Isixazululo se-Ethyl acetate uketshezi olungenambala lunephunga elimnandi (elifana namaconsi epheya) futhi lisetshenziswa kuma-glues, izinto zokususa izinzipho, itiye nekhofi le-decaffeinating, kanye nogwayi (bona uhlu lwezithasiselo kugwayi).Isixazululo se-Ethyl acetate yi-ester ye-ethanol ne-acetic acid;Isixazululo se-Ethyl acetate sakhiwe ngezinga elikhulu ukuze sisetshenziswe njengesixazululi.Ukukhiqizwa kwaminyaka yonke okuhlanganisiwe ngo-1985 eJapane, eNyakatho Melika, naseYurophu kwakungamathani angaba ngu-400 000.Ngo-2004, kulinganiselwa ukuthi amathani ayi-1.3M akhiqizwa emhlabeni jikelele.

CAS: 141-78-6


Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Omqondofana

I-AKOS BBS-00004223;UMOYA WE-METHYLATED;UMOYA WE-METHYLATED INDUSTRIAL;UMOYA WE-METHYLATED MINERALISED;METHYLCARBINOL;UTSHWALA OBUYI-REAGENT;RARECHEM AL BI 0544;UMOYA WEWAyini

Izinhlelo zokusebenza

I-1.I-Ethyl acetate isetshenziswa njenge-solvent yama-varnish, ama-lacquers, ne-nitrocellulose;njenge-anartificial fruit flavour;ekuhlanzeni izindwangu; nasekukhiqizeni usilika wokwenziwa kanye nesikhumba, amakha, namafilimu ezithombe namapuleti ezithombe (Merck 1996).I-Ethyl Acetate ngokuvamile isetshenziswa njenge-solvent ekuphenduleni kwezinto eziphilayo.Ukungcola kwemvelo;Ukungcola kokudla.

I-2.I-acetate ye-Ethyl isetshenziswa ngokuyinhloko njengesixazululi ne-diluent, ithandwa ngenxa yezindleko zayo eziphansi, ubuthi obuphansi, kanye nephunga elimnandi.Isibonelo, kuvame ukusetshenziselwa ukuhlanza amabhodi wesifunda nakwezinye izikhiphi zokuvanisha zezinzipho (i-acetone ne-acetonitrile nazo ziyasetshenziswa).Ubhontshisi wekhofi namaqabunga etiye ane-decaffeinated ngalesi sinyibilikisi.Ibuye isetshenziswe kumapende njenge-activator noma i-hardener.[catation required] I-Ethyl acetate ikhona ku-confectionery, iziqholo, nezithelo.Kumakha, ayahwamuka ngokushesha, kusale kuphela iphunga lamakha esikhumbeni.
3 – 1 - Ukusetshenziswa kwelabhorethri
Elabhorethri, izingxube eziqukethe i-ethyl acetate zivame ukusetshenziswa kukholomu ye-chromatography nokukhipha.I-Ethyl acetate ayivamisile ukukhethwa njengesixazululi sokusabela ngoba ithambekele ku-hydrolysis kanye ne-trans esterification.
3 – 2 - Ukwenzeka ewayinini
I-Ethyl acetate iyi-ester evame kakhulu ewayinini, ingumkhiqizo we-asidi ephilayo evame kakhulu eguquguqukayo - i-acetic acid, kanye ne-ethyl alcohol ekhiqizwa ngesikhathi sokuvutshelwa.Iphunga le-ethyl acetate ligqama kakhulu ewayinini elincane futhi linomthelela embonweni ojwayelekile "wezithelo" ewayinini.
3 - 3 - Umenzeli wokubulala we-Entomological
Emkhakheni we-entomology, i-ethyl acetate iyi-asphyxiant esebenzayo ukuze isetshenziswe ekuqoqweni nasekufundeni izinambuzane.Ebhodweni lokubulala elikhokhiswe i-ethyl acetate, umhwamuko uzobulala isinambuzane esiqoqiwe (esivame ukukhula) ngokushesha ngaphandle kokusibhubhisa.Ngenxa yokuthi ayiyona i-hygroscopic, i-ethyl acetate futhi igcina isinambuzane sithambile ngokwanele ukuvumela ukukhweza okufanele kulungele iqoqo.

3.Usizo lwezemithi (ukunambitheka);izakhi zezithelo zokwenziwa;i-solvent ye-nitrocellulose, ama-varnishes, ama-lacquers, nama-dopes endiza;ukukhiqizwa kwempushana engenantuthu, isikhumba sokwenziwa, amafilimu ezithombe namapuleti, usilika wokwenziwa, amakha;ukuhlanza izindwangu, njll.

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Ukucaciswa

Inhlanganisela

Ukucaciswa

Ukubukeka

Uketshezi olusasibhakabhaka olunsomi noma olubomvu olunsomi

Ukuminyana ku-20°C

Cishe 1.0 g/cm³

I-Viscosity ngo-20 ° C

Cishe 3 mPa.s

Ukuhlolwa kwe-NCO%

7.1±0.2%

Ukuhlolwa kwe-triphenylmethane -4,4',4''-triisocyanate%

27±1%

Izinsalela ze-Chlorobenzene

≤0.5

Ukupakisha

Izinto zokuhamba1
Izinto zokuhamba2

50kg/isikhwama

Isitoreji kufanele sibe endaweni epholile, yomile futhi ikhiphe umoya.

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