He polimer maoli a synthetic paha ka cellulose?

Cellulosehe polymer maoli, he mea nui o na paia o na mea kanu. ʻO ia kekahi o nā mea hoʻohuihui mea ola nui loa ma ka Honua a lawelawe ʻo ia ma ke ʻano he mea hana i loko o ke aupuni mea kanu. Ke noʻonoʻo nei mākou i ka cellulose, hoʻopili pinepine mākou iā ia me kona noho ʻana i ka lāʻau, ka pulupulu, ka pepa, a me nā mea kanu ʻē aʻe.

ʻO ke ʻano o ka cellulose he mau kaulahao lōʻihi o nā molekole glucose i hoʻopili pū ʻia ma o nā paʻa beta-1,4-glycosidic. Hoʻonohonoho ʻia kēia mau kaulahao ma ke ʻano e hiki ai iā lākou ke hana i nā hale fibrous ikaika. ʻO ka hoʻonohonoho kūʻokoʻa o kēia mau kaulahao e hāʻawi ai i ka cellulose i kāna mau ʻano mechanical kupaianaha, e lilo ia i mea koʻikoʻi i ka hāʻawi ʻana i ke kākoʻo kūkulu ʻana i nā mea kanu.

ʻO ke kaʻina hana o ka cellulose synthesis i loko o nā mea kanu e pili ana i ka enzyme cellulose synthase, ka mea e polymerize i nā molekala glucose i loko o nā kaulahao lōʻihi a hoʻokuʻu iā lākou i loko o ka paia o ke kelepona. Hana ʻia kēia kaʻina hana i nā ʻano mea kanu like ʻole, e kōkua ana i ka ikaika a me ka paʻakikī o nā ʻiʻo mea kanu.

Ma muli o kona nui a me nā waiwai kū hoʻokahi, ua loaʻa i ka cellulose nā noi he nui ma mua o kāna kuleana i ka biology mea kanu. Hoʻohana nā ʻoihana i ka cellulose no ka hana ʻana i ka pepa, nā lole (e like me ka pulupulu), a me kekahi mau ʻano biofuels. Hoʻohui ʻia, hoʻohana ʻia nā derivatives cellulose e like me cellulose acetate a me cellulose ethers i kahi ākea o nā huahana, me nā lāʻau lapaʻau, nā meaʻai meaʻai, a me nā uhi.

ʻOiaicelluloseʻO ia iho he polymer maoli, ua hoʻomohala nā kānaka i nā kaʻina hana e hoʻololi a hoʻohana iā ia ma nā ʻano like ʻole. No ka laʻana, hiki i nā lāʻau kemika ke hoʻololi i kona mau waiwai i mea e kūpono ai no nā noi kikoʻī. Eia nō naʻe, i loko o nā ʻano i hoʻololi ʻia, mālama ʻia ka cellulose i kona kumu maoli maoli, e lilo ia i mea maʻalahi a waiwai hoʻi i nā ʻano kūlohelohe a me ka ʻenekinia.