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Aha ngwaahịa:Propylene glycol
Ọkpụkpọ anụ ahụ:C3H8O2
CAS Mba:57-55-6
Ọdịdị molekụla ngwaahịa:
Ihe | Nkeji | Uru |
Ịdị ọcha | % | 99.5min |
Agba | APHA | 10 max |
Ọdịnaya Mmiri | % | 0.05 kacha |
Ọdịdị | - | Mmiri mmiri na-enweghị agba, enweghị isi |
A na-akpọ Propylene glycol na nkà mmụta sayensị dị ka "1,2-propanediol", ma nwee usoro kemịkal nke CH3CHOHCH2OH na ịdị arọ molekul nke 76.10. Enwere atom carbon nke chiral na molekul. Onye ya na ya na-agba ọsọ bụ mmiri mmiri viscopic hygroscopic ma na-enwe ntakịrị oseose. Ọ nwere nnukwu ike ndọda nke 1.036 (25/4 Celsius C), ebe na-ekpo ọkụ nke-59 Celsius C, yana ebe esi 188.2 Celsius C, n'otu n'otu 83.2 Celsius C (1,333 Pa). A na-eme ya na mmiri, acetone, ethyl acetate na chloroform, yana soluble na ether. Ọ na-agbaze n'ọtụtụ mmanụ ndị dị mkpa, mana ọ naghị eme ya na ether petroleum na mmanụ paraffin. Ọ na-akwụsi ike maka ikpo ọkụ na ọkụ, ma kwụsie ike na obere okpomọkụ. L-isomer ya nwere ebe na-esi mmiri nke 187 ruo 189 Celsius yana ntụgharị anya anya [α] nke D20-15.0°. Enwere ike ime ya na oke okpomọkụ na propionaldehyde, lactic acid, pyruvic acid na acetic acid.
Propylene glycol bụ diol nwere ụdị mmanya na-aba n'anya. Ọ nwere ike meghachi omume site na inorganic na organic acids iji mepụta mono-ma ọ bụ di-esters. Ọ na-emeghachi omume na propylene oxide iji mepụta ether, na hydrogen halide iji mepụta halohydrin, yana acetaldehyde iji mepụta methyl dioxolane.
A na-eji propylene glycol maka ngwa ndị yiri ya dị ka glycol ndị ọzọ.
Propylene glycol bụ ihe dị mkpa maka polyester na-enweghị atụ, resin epoxy, na resin polyurethane. Ọnụ ego eji eme ihe na mpaghara a bụ ihe dịka 45% nke mkpokọta propylene glycol. A na-eji polyester dị otú ahụ na-enweghị ihe ọ bụla eme ihe nke ukwuu maka plastik agbasiri ike na mkpuchi elu. Propylene glycol dị mma na viscosity na hygroscopicity na ọ bụghị egbu egbu, yabụ a na-ejikarị ya dị ka onye na-ahụ maka hygroscopic, antifreeze, lubricants na ihe mgbaze na nri, ụlọ ọrụ ọgwụ na ịchọ mma. N'ụlọ ọrụ nri, propylene glycol na-emeghachi omume na fatty acid iji nye propylene ester nke fatty acids, a na-ejikwa ya dị ka emulsifier nri; Propylene glycol bụ ezigbo ihe mgbaze maka ekpomeekpo na pigmenti. A na-ejikarị propylene glycol eme ihe dị ka ihe mgbaze, ihe nro na ihe ndị ọzọ, wdg na ụlọ ọrụ ọgwụ maka ịmepụta ụdị mmanụ na salves dị iche iche. A na-ejikwa propylene glycol mee ihe dị ka ihe mgbaze na ihe nro maka ịchọ mma ebe ọ bụ na ọ nwere ezigbo solubility ibe ya na ngwa nri dị iche iche. A na-ejikwa propylene glycol dị ka ihe na-eme ka ụtaba na-eme ka ụtaba, ihe na-egbu egbu, ihe na-edozi ihe oriri na ihe mgbaze maka ink akara nri. Ihe ngwọta mmiri nke propylene glycol bụ ihe na-egbochi ifriizi.
Chemwin nwere ike inye nnukwu hydrocarbons na ihe mgbaze kemịkalụ maka ndị ahịa ụlọ ọrụ.Tupu nke ahụ, biko gụọ ozi ndị a bụ isi gbasara ịzụ ahịa na anyị:
1. Nchekwa
Nchekwa bụ ihe kacha anyị mkpa. Na mgbakwunye na ịnye ndị ahịa ozi gbasara iji ngwaahịa anyị dị mma na gburugburu ebe obibi, anyị na-agbakwa mbọ hụ na ihe egwu nchekwa nke ndị ọrụ na ndị ọrụ ngo belatara n'obere ezi uche na enwere ike. Ya mere, anyị na-achọ ka onye ahịa hụ na a na-ezute ụkpụrụ nbudata na nchekwa nchekwa kwesịrị ekwesị tupu nnyefe anyị (biko rụtụ aka na mgbakwunye HSSE na usoro izugbe na ọnọdụ ahịa n'okpuru). Ndị ọkachamara HSSE anyị nwere ike ịnye ntụzịaka na ụkpụrụ ndị a.
2. Usoro nnyefe
Ndị ahịa nwere ike ịtụ ma wepụta ngwaahịa sitere na chemwin, ma ọ bụ ha nwere ike nweta ngwaahịa sitere na ụlọ ọrụ nrụpụta anyị. Ụdị njem dịnụ gụnyere gwongworo, ụgbọ okporo ígwè ma ọ bụ ụgbọ njem multimodal (ọnọdụ dị iche na-emetụta).
N'ihe gbasara ihe ndị ahịa chọrọ, anyị nwere ike ịkọwapụta ihe achọrọ nke ụgbọ mmiri ma ọ bụ ụgbọ mmiri ma tinye ụkpụrụ nchekwa / nyochaa pụrụ iche na ihe ndị a chọrọ.
3. Ọnụ ọgụgụ kacha nta
Ọ bụrụ na ịzụrụ ngwaahịa sitere na webụsaịtị anyị, ọnụọgụ kacha nta bụ tọn 30.
4. Ịkwụ ụgwọ
Usoro ịkwụ ụgwọ ọkọlọtọ bụ mwepu ozugbo n'ime ụbọchị 30 site na akwụkwọ ọnụahịa ahụ.
5. Akwụkwọ nnyefe
Enyere akwụkwọ ndị a na nnyefe ọ bụla:
Bill of Lading, CMR Waybill ma ọ bụ akwụkwọ njem ndị ọzọ dị mkpa
· Asambodo nyocha ma ọ bụ nkwenye (ọ bụrụ na achọrọ ya)
Akwụkwọ metụtara HSSE kwekọrọ n'ụkpụrụ
Akwụkwọ kọstọm kwekọrọ n'ụkpụrụ (ọ bụrụ na achọrọ ya)