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He aha ka Polyvinylpyrrolidone e hoʻohana ai

He aha ka Polyvinylpyrrolidone (PVP)?

Polyvinylpyrrolidone, i hōʻoki ʻia ʻo PVP.ʻO ka Polyvinylpyrrolidone (PVP) kahi pūhui polymer non-ionic i hana ʻia e ka polymerization o N-vinylpyrrolidone (NVP) ma lalo o kekahi mau kūlana.Hoʻohana ʻia ʻo ia ma ke ʻano he adjuvant, additive, a me ka excipient i nā ʻano he nui e like me ka lāʻau lapaʻau, textile, kemika, ka mea inu, a me nā kemika i kēlā me kēia lā.E like me nā koi huahana, hiki ke hoʻokaʻawale ʻia ka PVP i ʻehā mau ʻano: ʻoihana ʻoihana, ʻoihana hoʻonaninani, papa meaʻai, a me ka papa lāʻau lapaʻau.Homopolymers, copolymers, a me nā huahana polymer series cross-linked me nā kaumaha molekala pili mai nā tausani a ʻoi aku i hoʻokahi miliona ua hoʻohana nui ʻia ma muli o ko lākou mau waiwai maikaʻi a kū hoʻokahi.

pvp-mf

Ua māhele ʻia ʻo PVP i ʻehā mau pae e pili ana i kona kaumaha molekala awelika, a ua hōʻike pinepine ʻia e nā koina K.Hōʻike nā helu K ʻokoʻa i ka laulā kūpono o ka awelika molekala kaumaha o PVP.ʻO ka waiwai K he waiwai ponoʻī e pili ana i ka viscosity pili o ka solution aqueous PVP, a ʻo ka viscosity ka nui kino pili i ke kaumaha molekala o nā polymers.No laila, hiki ke ho'ohana 'ia ka waiwai K no ka 'ike 'ana i ka 'awelika molecular kaumaha o PVP.ʻO ka maʻamau, ʻoi aku ka nui o ka waiwai K, ʻoi aku ka kiʻekiʻe o kona viscosity a ʻoi aku ka ikaika o kāna adhesion.Hiki ke hoʻokaʻawale ʻia nā ʻano huahana nui a me nā kikoʻī o PVP i nā pae viscosity o K-15, K17, K25, K-30, K60, a me K-90 e pili ana i ke kaumaha molekala.

Hiki i ka UNILONG INDUSTRY ke hāʻawi i kēiaPVP-Khuahana moʻo:

ANO PVP K12 PVP K15 PVP K17 PVP K25 PVP K30 PVP K60 PVP K90
Ka nana aku Pauda keʻokeʻo
K Waiwai 10.2-13.8 12.75-17.25 15.3-18.36 22.5-27.0 27-32.4 54-64.8 81-97.2
NVP hoʻokahi haumia
(ka haumia A)
(CP2005/USP26) %max 0.1 0.1 0.1 0.1 0.1 0.1 0.1
(USP31/EP6/BP2007) ppm max 10 10 10 10 10 10 10
Wai % max 5.0 5.0 5.0 5.0 5.0 5.0 5.0
Maʻiʻo % min 95 95 95 95 95 95 95
pH (5% wai wai) 3.0-5.0 3.0-5.0 3.0-5.0 3.0-5.0 3.0-5.0 4.0-7.0 4.0-7.0
Lehu sulfate% ka nui 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Maʻiʻo Nitrogen﹪ 11.5-12.8 11.5-12.8 11.5-12.8 11.5-12.8 11.5-12.8 11.5-12.8 11.5-12.8
2-P maʻiʻo % ka nui 3.0 3.0 3.0 3.0 3.0 3.0 3.0
Aldehyde ppm max 500 500 500 500 500 500 500
Metala kaumaha ppm max 10 10 10 10 10 10 10
Hydrazine ppm max 1 1 1 1 1 1 1
ʻO ka hydrogen peroxide ppm max 400 400 400 400 400 400 400

PVP-molekala-kaumaha

 

PVP, ma ke ano he synthetic water-soluble polymer compound, loaʻa nā waiwai maʻamau o ka wai-soluble polymer compounds, me ka pale colloid, film-forming, bonding, moisture absorption, solubilization or coagulation.Eia nō naʻe, ʻo kāna hiʻohiʻona ʻokoʻa loa ʻo ia kona solubility maikaʻi loa a me ka hoʻohālikelike ʻana i ka physiological, kahi i hoʻokipa ai.I loko o nā polymers synthetic, ʻaʻole ʻike pinepine ʻia ka PVP, ka mea hiki ke hoʻoheheʻe ʻia i loko o ka wai a me ka hapa nui o nā mea hoʻoheheʻe kūlohelohe, ʻaʻole i ʻike pinepine ʻia, ʻoi aku ka maikaʻi ma nā kula pili i ke olakino kanaka e like me ka lāʻau lapaʻau, ka meaʻai, a me nā mea hoʻonaninani.ʻO kēia ka hoʻolauna kikoʻī i kāna mau wahi noi:

Ma ke kahua o nā mea hoʻonaninani i kēlā me kēia lā

I nā mea hoʻonaninani i kēlā me kēia lā, loaʻa i ka PVP a me ka copolymer ka dispersibility maikaʻi a me ka waiwai hana kiʻiʻoniʻoni.Hiki i ka PVP ke pale aku i ka colloid i loko o ka lotion, a hiki ke hoʻohana ʻia i loko o ka momona a me ka momona ʻole, e like me ka hoʻonohonoho ʻana i ka wai, ka lauoho lauoho a me ka mea hoʻonohonoho mousse, ka pale pale lauoho lauoho, ka shampoo foam stabilizer, ka mea hoʻonohonoho nalu, a me ka dispersant lauoho lauoho a me ka mea hoʻohui.ʻO ka hoʻohui ʻana i ka PVP i ka ʻaila hau, ka sunscreen, a me nā mea hoʻoneʻe lauoho hiki ke hoʻonui i ka hopena pulu a me ka lubrication.

Kahua holoi

Loaʻa iā PVP nā waiwai anti fouling a re precipitation a hiki ke hoʻohana ʻia no ka hoʻomākaukau ʻana i nā wai aniani a i ʻole nā ​​​​mea holoi hoʻoheheʻe kaumaha.ʻO ka hoʻohui ʻana i ka PVP i nā detergent he hopena anti discoloration maikaʻi a hiki ke hoʻonui i ka hiki ke hoʻomaʻemaʻe.I ka holoi ʻana i nā lole, hiki iā ia ke pale i nā detergent synthetic mai ka hoʻonāukiuki ʻana i ka ʻili, ʻoi aku ka nui o nā fiber synthetic.ʻOi aku ka maikaʻi o kēia hana ma mua o ka carboxymethyl cellulose (CMC) detergents.Hiki ke hoʻohui ʻia ka PVP me ka borax ma ke ʻano he mea hana pono i ka hoʻokumu ʻana i nā mea hoʻomaʻemaʻe phenolic disinfectant.ʻO ka mea hoʻomaʻemaʻe i haku ʻia me ka PVP a me ka hydrogen peroxide nā hana o ka bleaching a me ka pepehi ʻana i ka bacteria.

Ka paʻi lole a me ka waihoʻoluʻu

He pilina maikaʻi ko PVP me nā mea kalaola he nui a hiki ke hui pū me nā fiber synthetic hydrophobic e like me polyacrylonitrile, esters, nylon, a me nā mea fibrous e hoʻomaikaʻi ai i ka mana kala a me ka hydrophilicity.Ma hope o ka PVP a me ka nylon grafting copolymerization, ua hoʻomaikaʻi ka lole i hana ʻia i kona kūpaʻa ʻana i ka wai a me ka pale ʻana i ka makū.

Nā uhi a me nā puaʻa

ʻO nā pena a me nā uhi i uhi ʻia me ka PVP he akaka me ka ʻole o ka hoʻopili ʻana i ko lākou kala maoli, hoʻomaikaʻi i ka ʻōlinolino a me ka hoʻopuehu ʻana o nā uhi a me nā puaʻa, hoʻonui i ka paʻa wela, a hoʻomaikaʻi i ka dispersibility o nā inika a me nā inika.

Kahua lapaʻau

ʻO ka PVP ka maikaʻi physiological inertness, ʻaʻole komo i ka metabolism kanaka, a he biocompatibility maikaʻi loa, ʻaʻole ia e hoʻonāukiuki i ka ʻili, mucosa, maka, a me nā mea ʻē aʻe. hiki ke hoʻohana ʻia ma ke ʻano he mea hoʻopaʻa no nā papa a me nā granules, he co solvent no nā injections, a me kahi kōkua kahe no nā capsules;Detoxifiers, extenders, lubricants a me nā mea hana kiʻiʻoniʻoni no ka hāʻule o ka maka, dispersants no ka hoʻoheheʻe wai, stabilizers no nā enzymes a me nā lāʻau thermosensitive, a hiki ke hoʻohana ʻia e like me nā preservatives haʻahaʻa.Hoʻohana ʻia no nā lens contact e hoʻonui i kā lākou hydrophilicity a me ka lubricity.Eia kekahi, hiki ke hoʻohana ʻia ʻo PVP ma ke ʻano he kala a me ka X-ray contrast agent;Hiki ke hoʻohana ʻia no nā ʻano lāʻau like ʻole e like me nā papa, granules, a me ka wai.Loaʻa iā ia ka detoxification, hemostasis, hoʻonui i ka neʻe ʻana o ka dissolution, pale ʻana i ka pili ʻana o peritoneal, a me ka hoʻonui ʻana i ka helu sedimentation erythrocyte.Ua hoʻolaha ʻia ʻo PVP K30 me ka ʻae ʻia o ka ʻoihana hoʻoponopono lāʻau lapaʻau aupuni.

ʻO ka hana meaʻai

ʻO ka PVP ponoʻī ʻaʻole ia he carcinogenic a he palekana ka meaʻai maikaʻi.Hiki iā ia ke hana i nā mea paʻakikī me nā pūhui polyphenolic kūikawā (e like me nā tannins) a hoʻohana nui ʻia ma ke ʻano he mea hoʻomaʻamaʻa a hoʻopaʻa i ka hana ʻai, e like me ka pia, ka wai huaʻai, a me ka waina.Hiki i ka PVP ke hana i nā paʻakikī me nā pūhui polyphenolic kikoʻī (e like me nā tannins), e pāʻani ana i kahi hana wehewehe a me ka anticoagulant i nā mea inu wai hua.Hoʻolaha nui ʻia ka hoʻohana ʻana i ka PVP pili i ka pia a me nā mea inu kī.Hiki i nā mea polyphenolic i loko o ka pia ke hoʻopaʻa me nā protein i loko o ka pia e hana i nā tannin macromolecular complexes, kahi e hoʻopilikia nui ai i ka ʻono o ka pia a hoʻopōkole i kona ola.Hiki i ka crosslinked polyvinylpyrrolidone (PVPP) ke chelate me ka waikawa tannic a me nā anthocyanins i loko o ka pia, ma laila e hoʻomaʻamaʻa ai i ka pia, hoʻomaikaʻi i kona kūpaʻa mālama ʻana, a hoʻolōʻihi i kona ola paʻa.Ma nā mea inu kī, hiki i ka hoʻohana ʻana i ka PVPP ke hōʻemi pono i ka ʻike o nā polyphenols kī, a ʻaʻole noho ʻo PVPP i nā mea inu kī, hiki ke hoʻohana hou ʻia a hoʻemi nui i nā kumukūʻai.

Polyvinylpyrrolidone-hoʻohana

ʻO nā wahi noi nui o PVP i kēia manawa i ka ʻoihana kemika a me nā lāʻau lapaʻau i kēlā me kēia lā, a e hoʻomau ka ulu ʻana o kēia mau ʻoihana ʻelua i ka koi nui no ka hoʻohana ʻana i ka PVP i ka wā e hiki mai ana.Ma ke kahua e puka mai ana o PVP, ma ka ʻoihana pākaukau lithium, hiki ke hoʻohana ʻia ka PVP ma ke ʻano he dispersant no nā electrodes pākahi lithium a me kahi kōkua hana no nā mea conductive;I loko o ka ʻoihana photovoltaic, hiki ke hoʻohana ʻia ka PVP ma ke ʻano he dispersant no ka hana ʻana i ka pauka kālā spherical kiʻekiʻe no ka paʻi kālā electrode maikaʻi, ka pauka kālā e like me ka pepa no ka paʻi kālā electrode maikaʻi ʻole, a me nā ʻāpana kālā nano.Me ka hoʻomau mau ʻana o ka nui o ke komo ʻana o ka pākaukau lithium a me ka piʻi ʻana o ka hiki ke hoʻokomo ʻia i ka photovoltaic, e hoʻokau nui kēia mau māla ʻelua i ka noi no PVP.

ʻO Unilong kahi mea hoʻolako ʻoihana, a ʻo kaPVP moʻoua kūkulu ʻia a hana ʻia no ʻumi makahiki.Me nā hoʻololi i ka mākeke, ʻo ka hāʻawi ʻana i nā huahana PVP i ka pōkole.I kēia manawa, ua hoʻohui mākou i ʻelua mau laina hana, me ka lako lako a me nā kumukūʻai maikaʻi.E ʻoluʻolu e nīnau.

 

 


Ka manawa hoʻouna: Dec-01-2023