ʻO Carboxymethylcellulose (CMC) a me ka starch he mau polysaccharides ʻelua, akā he ʻokoʻa ko lākou mau ʻano, nā waiwai a me nā noi.
Ka haku mele ʻana:
1. Carboxymethylcellulose (CMC):
ʻO Carboxymethylcellulose kahi hua o ka cellulose, kahi polymer linear i haku ʻia me nā ʻāpana glucose i hoʻopili ʻia e nā pilina β-1,4-glycosidic. ʻO ka hoʻololi ʻana o ka cellulose e pili ana i ka hoʻolauna ʻana o nā hui carboxymethyl ma o ka etherification, e hana ana i ka carboxymethylcellulose. Hana ka hui carboxymethyl i ka CMC i hoʻoheheʻe ʻia i ka wai a hāʻawi i ka polymer i nā waiwai kū hoʻokahi.
2. Mānoanoa:
ʻO ka Starch kahi carbohydrate i haku ʻia me nā ʻāpana glucose i hoʻopili ʻia e nā pilina α-1,4-glycosidic. He polymer kūlohelohe ia i loaʻa i nā mea kanu i hoʻohana ʻia ma ke ʻano he hui mālama ikehu. ʻO ka maʻamau, ua haku ʻia nā molekala Starch me ʻelua ʻano polymers glucose: amylose (nā kaulahao pololei) a me amylopectin (nā ʻano kaulahao lālā).
Nā waiwai kino:
1. Carboxymethylcellulose (CMC):
Solubility: He wai hoʻoheheʻe ʻia ka CMC ma muli o ke alo o nā hui carboxymethyl.
Viscosity: Hōʻike ia i ka viscosity kiʻekiʻe i loko o ka hopena, e lilo ia i mea waiwai nui i nā noi like ʻole e like me ka hana ʻana i ka meaʻai a me nā lāʻau lapaʻau.
ʻIke moakāka: ʻIke moakāka pinepine nā hoʻonā CMC.
2. Mānoanoa:
Ka hoʻoheheʻe ʻia: ʻAʻole hoʻoheheʻe ʻia ka starch maoli i ka wai. Pono ia i ka gelatinization (hoʻomehana ʻana i ka wai) i mea e hoʻoheheʻe ai.
ʻO ka mānoanoa: Loaʻa ka mānoanoa o ka paʻi starch, akā ʻoi aku ka haʻahaʻa ma mua o CMC.
ʻIke moakaka: He ʻano opaque ka hoʻopili ʻana o ka starch, a ʻokoʻa ke ʻano o ka opacity ma muli o ke ʻano o ka starch.
kumu:
1. Carboxymethylcellulose (CMC):
Hana ʻia ka CMC mai ka cellulose mai nā kumu mea kanu e like me ka pulp lāʻau a i ʻole ka pulupulu.
2. Mānoanoa:
Waiwai nui i ka mānoanoa nā mea kanu e like me ke kulina, ka palaoa, ka ʻuala a me ka laiki. He mea nui ia i nā meaʻai nui.
Kaʻina Hana:
1. Carboxymethylcellulose (CMC):
ʻO ka hana ʻana o CMC e pili ana i ka hopena etherification o ka cellulose me ka waikawa chloroacetic i loko o kahi medium alkaline. ʻO ka hopena o kēia hopena i ka hoʻololi ʻana o nā hui hydroxyl i loko o ka cellulose me nā hui carboxymethyl.
2. Mānoanoa:
ʻO ka unuhi ʻana o ka starch e pili ana i ka wāwahi ʻana i nā hunaola mea kanu a me ka hoʻokaʻawale ʻana i nā granules starch. Hiki i ka starch i unuhi ʻia ke hana i nā kaʻina hana like ʻole, me ka hoʻololi ʻana a me ka gelatinization, e loaʻa ai nā waiwai i makemake ʻia.
Kumu a me ka hoʻohana ʻana:
1. Carboxymethylcellulose (CMC):
ʻOihana meaʻai: Hoʻohana ʻia ʻo CMC ma ke ʻano he thickener, stabilizer a me emulsifier i nā meaʻai like ʻole.
Nā lāʻau lapaʻau: Ma muli o kona mau waiwai hoʻopaʻa a me ka wāwahi ʻana, loaʻa iā ia ka hoʻohana ʻana i nā ʻano lāʻau lapaʻau.
ʻEli ʻAila: Hoʻohana ʻia ʻo CMC i nā wai ʻeli ʻaila e kāohi i ka rheology.
2. Mānoanoa:
ʻOihana meaʻai: ʻO ka starch ka mea nui o nā meaʻai he nui a hoʻohana ʻia ma ke ʻano he mea hoʻomānoanoa, mea hoʻopili gelling a me ka mea hoʻopaʻa.
ʻOihana lole: Hoʻohana ʻia ka Starch i ka nui o ka lole e hāʻawi i ka paʻakikī i nā lole.
ʻOihana pepa: Hoʻohana ʻia ka Starch i ka hana pepa e hoʻonui i ka ikaika o ka pepa a hoʻomaikaʻi i nā waiwai o ka ʻili.
ʻOiai ʻo CMC a me ka starch he polysaccharides ʻelua, he ʻokoʻa ko lākou i ka haku mele molekala, nā waiwai kino, nā kumu, nā kaʻina hana a me nā noi. He wai hoʻoheheʻe ʻia ka CMC a he mānoanoa loa a makemake pinepine ʻia i nā noi e koi ana i kēia mau waiwai, ʻoiai ʻo ka starch kahi polysaccharide versatile i hoʻohana nui ʻia i nā ʻoihana meaʻai, lole a me ka pepa. He mea nui ka hoʻomaopopo ʻana i kēia mau ʻokoʻa i ke koho ʻana i ka polymer kūpono no nā noi ʻoihana a me nā ʻoihana kikoʻī.
Ka manawa hoʻouna: Ian-12-2024