1. ʻO ka hydroxypropyl methyl cellulosehiki ke hoʻoheheʻe ʻia i ka wai anuanu, e pilikia ka wai wela i hoʻoheheʻe ʻia. Akā ʻoi aku ka kiʻekiʻe o kona mahana gelation i ka wai wela ma mua o ka methyl cellulose. Hoʻomaikaʻi nui ʻia ka solubility o ka methyl cellulose i ka wai anuanu.
2. Pili ka mānoanoa o ka hydroxypropyl methyl cellulose i kona kaumaha molekala, a ʻo ka nui o ke kaumaha molekala, ʻo ia ka mānoanoa kiʻekiʻe. E hoʻopilikia pū ka mahana i kona mānoanoa, piʻi ka mahana, emi ka mānoanoa. Eia nō naʻe, ʻoi aku ka haʻahaʻa o ka mānoanoa o ka mahana kiʻekiʻe ma mua o ka methyl cellulose. Paʻa ka hopena ke mālama ʻia ma ka mahana o ka lumi.
3. Paʻa ka Hydroxypropyl methyl cellulose i ka waikawa a me ka alkali, a paʻa loa kona hopena wai i ka pae o ka pH = 2 ~ 12. ʻAʻohe hopena nui o ka soda caustic a me ka wai lime i kona mau waiwai, akā hiki i ka alkali ke hoʻolalelale i kona wikiwiki hoʻoheheʻe a hoʻomaikaʻi i ka viscosity o ke pine. Loaʻa i ka Hydroxypropyl methyl cellulose ke kūpaʻa i nā paʻakai maʻamau, akā i ka wā e kiʻekiʻe ai ka nui o ka hopena paʻakai, e hoʻonui pinepine ʻia ka viscosity o ka hopena hydroxypropyl methyl cellulose.
4. ʻO ka paʻa ʻana o ka wai o ka hydroxypropyl methyl cellulose e pili ana i kona nui hoʻohui, ka viscosity, a me nā mea ʻē aʻe. ʻOi aku ke kiʻekiʻe o ka nui o ka paʻa ʻana o ka wai ma lalo o ka nui hoʻohui like ma mua o ka methyl cellulose.
5. ʻOi aku ke kiʻekiʻe o ka hoʻopili ʻana o ka hydroxypropyl methyl cellulose i ke kūkulu ʻana o ka mortar ma mua o ka methyl cellulose.
6. ʻO ka hydroxypropyl methyl celluloseʻoi aku ka maikaʻi o ke kūpaʻa ʻana o ka enzyme ma mua o ka methyl cellulose, a ʻoi aku ka haʻahaʻa o ka hiki ke hoʻohaʻahaʻa ʻia ka enzymatic i loko o ka hopena ma mua o ka methyl cellulose.
Ka manawa hoʻouna: ʻApelila-26-2024