methyl-2-pyrrolidone CAS： 872-50-4
Hoʻolauna huahana
Ua kapa ʻia ʻo N-Methylpyrrolidone ʻo NMP, ʻano molekala: C5H9NO, Pelekania: 1-Methyl-2-pyrrolidinone, ʻaʻohe kala o ke ʻano i ka wai melemele māmā, ʻala iki o ka ammonia, hui pū ʻia me ka wai ma kekahi ʻano, hoʻoheheʻe ʻia i loko o ka ether, acetone a me nā mea hoʻoheheʻe organik like ʻole e like me nā esters, halogenated hydrocarbons, aromatic hydrocarbons, etc., ua hui piha ʻia me ka aneane o nā mea hoʻoheheʻe āpau, me kahi kiko paila o 204 ° C a me kahi kiko flash o 91 ° C. Loaʻa iā ia ka hygroscopicity ikaika a me nā waiwai kemika paʻa. ʻAʻole ia e hōʻino i ke kila kalapona a me ka alumini, a ʻaʻole ia e hōʻino i ke keleawe. ʻAʻole hōʻino iki. Loaʻa iā ia nā pono o ka viscosity haʻahaʻa, ke kūpaʻa kemika a me ka thermal maikaʻi, polarity kiʻekiʻe, volatility haʻahaʻa, a me ka miscibility palena ʻole me ka wai a me nā mea hoʻoheheʻe organik he nui. He lāʻau liʻiliʻi kēia huahana, a ʻo ka palena palena i ʻae ʻia i ka lewa he 100PPM.
Kahua noi
ʻO N-methylpyrrolidone (NMP) kahi mea hoʻoheheʻe aprotic polar. He haʻahaʻa kona ʻawahia, kiʻekiʻe ka paila a me ka solubility maikaʻi loa. Nā pono o ke koho ikaika a me ke kūpaʻa maikaʻi. Hoʻohana nui ʻia i ka unuhi ʻana o nā mea ʻala, ka hoʻomaʻemaʻe ʻana o ka acetylene, olefins, a me dienes, ka mea hoʻoheheʻe no ka polyvinylidene fluoride, nā mea kōkua electrode no nā pila lithium-ion, syngas desulfurization, lubricant refining, lubricant antifreeze, a me ka mea hoʻoheheʻe olefin. , nā mea hoʻoheheʻe i ka polymerization o nā plastics ʻenekinia insoluble, nā herbicides mahiʻai, nā mea insulation, ka hana kaapuni hoʻohui, ka hoʻomaʻemaʻe ʻana i nā mea hana pololei a me nā papa kaapuni i ka ʻoihana semiconductor, ka hoʻōla kinoea PVC, nā mea hoʻomaʻemaʻe, nā mea hoʻohui dye, nā mea hoʻolaha, a pēlā aku. Hoʻohana ʻia hoʻi ia ma ke ʻano he mea hoʻoheheʻe no nā polymers a me kahi medium no nā hopena polymerization, e like me nā plastics ʻenekinia a me nā fiber aramid. Eia kekahi, hiki ke hoʻohana ʻia i nā pesticides, nā lāʻau lapaʻau a me nā detergents, a pēlā aku.
Ka wehewehe ʻana o ke kūkulu ʻana
ʻAno Wai aniani ʻole (ma luna o 25 ℃)
Maʻemaʻe% ≥99.5
Makū% ≤0.1
ʻO Chroma HaZen ≤25
ʻIke kuhikuhi refractive N20D 1.468-1.471
Ka nui o ka paʻa 1.032-1.035
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