Focus on Cellulose ethers

He aha ka Cellulose?

He aha ka Cellulose?

ʻO ka cellulose he polysaccharide, ʻo ia hoʻi, he waiʻaʻa paʻakikī i hana ʻia me nā kaulahao lōʻihi o nā molekole kō.ʻO ke kikoʻī, ua haku ʻia ka cellulose me nā ʻāpana hou o nā molekole glucose i hoʻopili pū ʻia e nā paʻa glycosidic β(1→4).Hāʻawi kēia hoʻonohonoho i ka cellulose i kona ʻano fibrous structure.

ʻO ka Cellulose ka mea nui i kūkulu ʻia o nā paia cell i nā mea kanu, e hāʻawi ana i ka rigidity, ikaika, a me ke kākoʻo i nā mea kanu a me nā ʻiʻo.He nui ia i nā mea kanu e like me ka lāʻau, ka pulupulu, ka hemp, ke olonā, a me nā mauʻu.

ʻO ke kumu kemika o cellulose (C6H10O5)n, kahi n e hōʻike ana i ka helu o nā ʻāpana glucose i loko o ke kaulahao polymer.Hiki ke ʻokoʻa ke ʻano a me nā waiwai o ka cellulose ma muli o nā kumu e like me ke kumu o ka cellulose a me ke degere o ka polymerization (ʻo ia hoʻi, ka helu o nā ʻāpana glucose i ke kaulahao polymer).

ʻAʻole hiki ke hoʻoheheʻe ʻia ʻo Cellulose i ka wai a me ka hapa nui o nā mea hoʻoheheʻe organik, e kōkua ana i kona kūpaʻa a paʻa.Eia nō naʻe, hiki ke hoʻokaʻawale ʻia i loko o kāna mau molekele glucose constituent ma o ka enzymatic a chemical hydrolysis kaʻina, i hoʻohana ʻia i nā noi ʻoihana like ʻole, e like me ka hana pepa, ka hana textile, ka hana biofuel, a me ka hana ʻai.


Ka manawa hoʻouna: Feb-12-2024
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