ʻO ka papahana maʻamau no ka hopena noi o HPMC penei

ʻO ka hoʻolālā maʻamau no ka hopena noi o HPMC penei:

Hoʻemi ʻia ka ikehu hoʻāla o ka hopena ma kēia ʻanuʻu, ʻoiai ke hoʻomaikaʻi ʻia ka wai o ka hui ʻana, a ua hoʻoholo ʻia ka hemahema o ka haʻahaʻa haʻahaʻa o ka hopena methylation i ka hana kumu. Ma ka laʻana, ma o ka noiʻi ʻana a me ka hoʻohana ʻana i ka reactor pae paʻa, ua hoʻokumu ʻia nā ʻāpana hydroxypropyl methylcellulose phthalate.
ʻO kekahi e lilo i mea kōkua maikaʻi loa, hoʻomaikaʻi i ka hopena hopena, a hoʻomalu i ka hanauna o nā ʻaoʻao ʻaoʻao,
ʻO ka lua, ma ke ʻano he catalyst, hoʻohana ʻia ka HPMC ma ke ʻano he catalyst maikaʻi e hoʻomaikaʻi i ka maʻemaʻe o nā reactants a me ka hopena hopena, i hiki ke hoʻonui ʻia ka hopena hopena i 98%. Hoʻonui ʻia ka nui o ka hoʻohana ʻana i nā mea maka i 95% ma o ka hoʻohana ʻana i ka hydroxypropyl methyl cellulose ma ke ʻano he mea kōkua, e hōʻoiaʻiʻo ana i ka hoʻomākaukau ʻana o ka hydroxypropyl methyl cellulose phthalate a pale i ka agglomeration ma waena o nā ʻāpana i ke kaʻina hana post-treatment.
ʻO ke kolu ka hoʻoponopono i ka pilikia o ka haʻahaʻa haʻahaʻa o ke kaʻina hana kumu. ʻO kahi hoʻokolohua hōʻike e hōʻemi i ka ʻai ʻana o ka pulupulu maka mai 1.05t/t o ke kaʻina hana mua i ka 0.94t/t i ka wā o ka phthalic acid reaction., I ke kaʻina hana o ka hydroxypropylation reaction, phthalic anhydride reaction residues, free phthalic acid and hiki ke hoʻoneʻe ʻia ke koena acetic acid solvent. Ua hoʻonui ʻia ka hua o kēia kaʻina i 95%.

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