Ka hoʻolālāʻana o nā makuahine cellouse

Nāʻano maʻamau oʻeluaNā Naloʻohāʻawiʻia i nā kiʻi 1.1 a me 1.2. Kēlā me kēia β-D-D-DOYDRAted Brope o kahi molena cellouse

ʻO ka'āpana Sugar (ʻo ka hana houʻana o ka celilouse) i hoʻopaʻaʻia me hoʻokahi hui eter i kēlā me kēia ma ka C (2),ʻo C (2) iʻekolu

he hui eter. Ma muli o ka heleʻana o nā hui hydroxyl, celllous macromolecules i loaʻa nā mea paʻa a me nā intermolecular hydrolecular

A he mea paʻakikī ke hoʻokaʻawale i kahi kokoke i nā mea āpau a pau. Eia nō naʻe, ma hope o ka hoʻopioʻana i ka cellouse, nā hui o Eter i hoʻokomoʻia i loko o ke kaula molena,

I kēiaʻano, ua hoʻopiliʻia nā maʻi hydronation i loko a i waena o nā mololula o colluluse, a hikiʻoluʻolu mai nei kona molpulusity o nā manu.

maikaʻi loa. I waena o lākou, kiʻi 1.1ʻO keʻano maʻamau o keʻano he nui o nā'āpana alydroglucoseʻelua o cellulose ether molecular chan, r1-r6 = h

a iʻole nā ​​mea i loaʻaʻole. 1.2 He'āpana o ke kaʻaʻo CarboxyMyl hydroxythyl hydronuyth cellulus

ʻO keʻano o ke kiʻekiʻe o ka hydroxythyl he 2.0, a me keʻano hehila molar he 3.0.

No kēlā me kēia mea i loaʻa i ka cellulose, hiki ke hōʻikeʻia ka nui o kāna eterification e like me ke kiʻekiʻe o keʻano (ds). i hanaʻia i nā fibers

Hiki keʻikeʻia mai keʻano o ka mokuahi o ka molle molecule e loaʻa ke kiʻekiʻe o keʻano o nā mea i kohoʻia mai 0-3. ʻO ia hoʻi, e pili ana kēlā me kēlā me kēia pūlima

,ʻO ka helu maʻamau o nā hui hydroxyl hui i kohoʻia e ka eterofying o nā hui o ka eternting. Ma muli o ka hui hydroxyalk o ka celloulse

E hoʻomaka houʻia ka eterofication mai ka huiʻo New hydroxyl hou. No laila,ʻo ke kiʻekiʻe o keʻano o kēiaʻano o kēiaʻano o keʻano o ka cellouse e hiki ke hōʻikeʻia ma nā moles.

top of coldential (ms). ʻO ka nui i kapaʻiaʻo Moler

Ka nui o ka nui o nā mea hana.

1 ka hoʻonohonoho maʻamau o kahi'āpana glucose

2 mau'āpana o ka cellouse eter molecular mau kaulahao

1.2.2 Ke papa inoa o nā makuahine cellouse

ʻO nā leka uila paha e like me nā melemele a i hui pūʻia a iʻole nā ​​mea i hoʻohuiʻia, heʻokoʻa kā lākou waiwai. ʻO nā Peila Macomole Servil

Inā loaʻa ka hui o ka hydroxyl o ke kani o ka waeʻana i ka hui hydrophilic, hiki i ka huahana ke loaʻa i lalo o keʻano haʻahaʻa o keʻano haʻahaʻa.

He wahi paakiki o ia; Inā ua hoʻololiʻia e kahi hui hydrophobic, he mau huahana he mau mea i loaʻa keʻano o keʻano o keʻano o keʻano o ka loaʻaʻana o keʻano o keʻano.

Ka wai wai-lepo,ʻaʻole i hiki i nā huahana cell collulose e pau i ka wai, a iʻole e hoʻokaʻawale i nā hopena alkali

waena.

E like me nāʻano o nā mea i hiki ke hoʻokaʻawaleʻia nā mea e hiki ai iʻekolu mau pūʻulu: Alkyl

Hydroxyalyls, e like me ka hydroxythyl cellulouse, hydroxyproopyl cellulous; poʻe'ē aʻe, e like me ka carboxymyll cellulouse, etc. inā he onization

Hiki ke hoʻokaʻawaleʻia ka heluʻana i nā leka uila i loko: Ionic non-Ionic, e like me ka hydroxythyl cellulouse; huiʻia

Pākuʻi, e like me ka hydroxythyl carboxymyl cellulouse. E like me ka papa o ka heluʻana i ka palena, hiki ke hoʻokaʻawaleʻia ka celoulouse

Hydroxythyl cellulouse; wai-interoluble, e like me ka cellulose cellulose, etc.

1.2.3 waiwai a me nā noi o nā makuahine cellouse

Heʻanoʻano maikaʻiʻo Cellulouse eter ma hope o ka huahana celllouse Uā

He mau waiwai kiʻi kiʻi maikaʻi; E like me ka paʻiʻana, ua loaʻa iā ia ka hopena wai maikaʻi, nā waiwai nui, nā wai e noho ana a me ka paʻaʻana;

5

ʻAʻole maikaʻiʻoleʻo ka eter,ʻaʻole impon, a he biocomopitib maikaʻi. I waena o lākou, carboxymoyl cellulouse (cmc) he "monosdium monosdium

inoa inoa.

1.2.3.1 Nā kiʻiʻoniʻoni

ʻO ke kiʻekiʻe o ka eterification o ka eter eter i loaʻa i nā waiwai nui e like me kāna mau kiʻi kiʻi kiʻi e like me ka mana o ke kiʻi a me ka ikaika. Celllouse eter

Ma muli o kāna ikaika kūleʻa maikaʻi a me ka hoʻokūkū maikaʻi me nā koena'ē aʻe, hiki ke hoʻohanaʻia i nā kiʻiʻoniʻoni, a me nā mea hana'ē aʻe.

ka hoʻomākaukauʻana i nā lako.

1.2.3.2 kūmole

Ma muli o ke ola o nā hui hydroxyl he nui ma ke apo o ka oxygen-i loaʻa i ka wai glucose, cellulose e loaʻa ai nā modubulity wai. a

Wahi a ka cellouse ether ether ether a me ke kiʻekiʻe o keʻano, he mau koho koho'ē aʻe no ka mālamaʻana i nā organic.

1.2.3.3

Kuhiʻiaʻo Cellouse eter i ka hopena o ka aqueous ma keʻano o ka colloid, kahi e hoʻoholo ai ke kiʻekiʻe o ka cellouse

ʻIkeʻia o ka'ōlelo o Ether Spect. ʻAʻole like me nā wai hou o Newtonian,ʻo ka viscosity o nā mea e hoʻololi ai nā hopena o ka collulose ether

Ma muli o kēiaʻano hana o nā macromolecules,ʻo ka viscosity o ka hopena e hoʻonui wikiwiki i nāʻike paʻa o ka cell

Ua emi pū kekahiʻo Viscolis i ka wikiwiki me ka hoʻonuiʻana i ka wela [33].

1.2.3.4 DEGADATIFATION

ʻO ka hopena cellouse eter i hoʻopauʻia i ka wai no ka manawa o ka manawa e ulu ai ka manawa o ka manawa, a laila e hoʻopau i nā balalth etzulose eter.

ʻO nā mea i hoʻopiliʻia ai nā hui GLUCORSITED GLUCORETED BLUE, ma laila e hōʻemi ana i ka nui o ka molecular mole o ka macromolecule. No laila, WillLuse'Elemi

Pono ka mālamaʻana i nā hopena o Aqueous

Ma kahi o nā makuahine e like me nā mea'ē aʻe e like me nā waiwai'ē aʻe e like me ka hanaʻana i ka hana,ʻo ka hana a me ka hoʻohuiʻana

hana gel. Ma muli o kēia mau mea waiwai, nā mea i hoʻohanaʻia ma nā aniani, nā pale, nā pale synthetic, nā mea kanu, lāʻau, lāʻau,

Ua hoʻohana nuiʻia ma nā mahina he nui.

1.3 Hoʻomaopopo i nā mea kanu

Mai kaʻikeʻana o 1.2 Cellouse eter

ʻO ia e hoʻohana i nā cellouse i laweʻia mai nā mea kanu i nā mea kanu e hoʻololi i ka cetton cellow e hoʻomākaukau ai i ka eter collulouse. ʻO ka mea e pili ana i kēia manawa ke hoʻolaha nei i ka mea kanu

waiwai.

Me nā kumu maʻamau e like me ke aila, keokeo a me ka hau kūlohelohe he dwindling, e hoʻonuiʻia ana nā kiʻi o nā huahana Me ka hoʻomau mauʻana o ke kaiāulu a me nā'āina a puni ka honua (kūikawā

He'āina kūkulu ia) e uku i ka nānā ponoʻana i ka pilikia o ka haumia o ka honua. ʻO Collalher kūloheloheʻo Biodegradability a me ka hoʻonohonohoʻana o ka kaiāulu.

E lilo ia i lilo i kumu nui o nā waihona fiber fiber.


Post manawa: Sep-26-2022