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Polyethylenimine (PEI)he polymer wai-hoʻoheheʻe ʻia. ʻO ka nui o ka wai i loko o nā huahana kalepa he 20% a 50%. Hoʻopili ʻia ʻo PEI mai ka monomer ethylene imide. He polymer cationic ia e ʻike pinepine ʻia he wai kala ʻole a melemele a paʻa paha me nā ʻano kaumaha molekala a me nā ʻano hoʻonohonoho like ʻole.

He aha ka meapolyethyleneiminehana?

1. Hoʻopili kiʻekiʻe, hiki i ka hui amino omo kiʻekiʻe ke hana me ka hui hydroxyl e hana i ka pilina hydrogen, hiki i ka hui amine ke hana me ka hui carboxyl e hana i ka pilina ionic, hiki i ka hui amine ke hana me ka hui carbon acyl e hana i ka pilina covalent. I ka manawa like, ma muli o kona ʻano polar group (amine) a me ka hydrophobic group (vinyl), hiki ke hui pū ʻia me nā mea like ʻole. Me kēia mau mana hoʻopaʻa piha, hiki ke hoʻohana nui ʻia ma nā kahua o ke sila ʻana, ka ʻīnika, ka pena, ka mea hoʻopaʻa a pēlā aku.

2. Aia ka polyvinyl imide cationic kiʻekiʻe ma ke ʻano o ka polycation i loko o ka wai, hiki ke hoʻopau a hoʻopili i nā mea anionic āpau. Hoʻopili pū ia i nā ion metala kaumaha. Me kona mau waiwai cationic kiʻekiʻe, hiki ke hoʻohana ʻia i ka hana pepa, ka mālama wai, ka hoʻonā plating, ka dispersant a me nā ʻoihana ʻē aʻe.

3. ʻO ka polyethylenimine pane nui loa ma muli o nā amines mua a me nā amines lua pane nui loa, no laila hiki ke pane maʻalahi me ka epoxy, nā waikawa, nā hui isocyanate a me nā kinoea waikawa. Ma ka hoʻohana ʻana i kēia waiwai, hiki ke hoʻohana ʻia ma ke ʻano he reactant epoxy, kahi adsorbent aldehyde a me kahi mea hoʻopaʻa kala.

He aha ka mea e hoʻohana ʻia ai ka polyethylenimine?

Polyethylenimine (PEI)he hui polymer versatile me nā ʻano hoʻohana like ʻole, me ka palena ʻole i:

1. ʻOihana mālama wai a me ka pepa. Ma ke ʻano he mea hoʻoikaika pulu, hoʻohana ʻia ia i loko o ka pepa omo ungummed (e like me ka pepa kānana, ka pepa blotting inika, ka pepa lua, a pēlā aku), hiki ke hoʻomaikaʻi i ka ikaika pulu o ka pepa a hōʻemi i ka pōʻino o ka hana ʻana i ka pepa, me ka wikiwiki ʻana i ka kānana wai o ka pulp a me ka maʻalahi o nā olonā maikaʻi e flocculate.

2. Mea hoʻopaʻa kala. He ikaika kona ikaika no nā dyes waikawa a hiki ke hoʻohana ʻia ma ke ʻano he mea hoʻopaʻa i ka wā e hoʻoluʻu ai ka waikawa i ka pepa.

3. Nā mea kōkua hoʻololi a me ka hoʻoluʻu ʻana i ke olonā. No ka mālama ʻana i ke olonā, e like me ke kapa kila kino, nā mīkina lima anti-ʻoki, ke kaula, a pēlā aku.

4. Nā mea uila. Ma ke kahua o nā mea uila, hiki ke hoʻohana ʻia ka ʻili polyethylene imide ma ke ʻano he papa hoʻokaʻawale, mea hoʻokaʻawale a me ka papa uhi o nā ʻāpana uila, a me nā mea ʻē aʻe, me ka hana hoʻokaʻawale maikaʻi a me ke kūpaʻa wela kiʻekiʻe.

5. ʻŌpala meaʻai. Ma ke ʻano he mea ʻōpala meaʻai, loaʻa iā ia nā pono o ka pale ʻana i ka makū, ke kūpaʻa maikaʻi i ke kinoea, ʻaʻohe mea ʻawahia, ʻono ʻole, kūpaʻa i ke kiʻekiʻe o ka mahana, a pēlā aku, a hoʻohana nui ʻia i ka ʻōpala o ka ʻiʻo, ka moa, nā huaʻai, nā mea kanu, ke kofe a me nā huahana ʻē aʻe.

6. Nā mea lapaʻau. Hiki ke hoʻohana ʻia ka Polyvinylimine i nā mea lapaʻau, nā mea hana diagnostic, nā ʻōpala lapaʻau, a me nā mea ʻē aʻe, e like me nā ʻaʻahu lapaʻau a me nā kiʻiʻoniʻoni moakaka lapaʻau.

7. Mea hoʻopili. Ma ke ʻano he mea hoʻopili hana kiʻekiʻe, hoʻohana ʻia ia i ka hana ʻana i nā mokulele, nā ʻāpana uila, nā ʻāpana kaʻa a pēlā aku.

8. Nā mea hoʻomaʻemaʻe wai a me nā mea hoʻoheheʻe. Hoʻohana nui ʻia ia i ka hana pepa ʻana i ka mālama wai, ka hoʻonā electroplating, ka mea hoʻoheheʻe a me nā ʻoihana ʻē aʻe. Mea lawe gene. ʻO Polyvinylimide kahi vector non-viral no ka lawe ʻana i ka gene, kūpono loa no ka co-transfection o nā plasmids he nui.

Kahi mea hou aʻe,polyethylenimineLoaʻa iā ia nā ʻano o ka hoʻopili kiʻekiʻe, ka adsorption kiʻekiʻe, ka cation kiʻekiʻe, ka reactivity kiʻekiʻe, a pēlā aku, a ua hoʻohana nui ʻia hoʻi ia ma nā kahua o ka pena, ka ʻīnika, ka hoʻopili, ka mālama ʻana i ka fiber, ka mālama ʻana i ka wai ʻauʻau a pēlā aku.

Ma keʻano laulā, he polymer versatile ka polyvinylimide me nā ʻano hana like ʻole, a hiki ke hoʻoponopono ʻia a hoʻonui ʻia kona mau waiwai ma ka hoʻololi ʻana i ke kaumaha molekala, ka hoʻonohonoho ʻana a me ka hana.