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Gịnị bụ Polyvinylpyrrolidone (PVP)?

Polyvinylpyrrolidone, nke a kpọrọ PVP. A na-eji ya dị ka ihe mgbakwunye, ihe mgbakwunye, na ihe mgbakwunye n'ọtụtụ ngalaba dịka ọgwụ, ákwà, kemịkalụ, ihe ọṅụṅụ, na kemịkalụ kwa ụbọchị. Dịka ihe achọrọ maka ngwaahịa si dị, enwere ike kewaa PVP n'ụdị anọ: ọkwa ụlọ ọrụ mmepụta ihe, ọkwa ịchọ mma, ọkwa nri, na ọkwa ọgwụ. A na-eji Homopolymers, copolymers, na ngwaahịa usoro polymer jikọtara ọnụ nke nwere oke molekul dị iche iche site na puku kwuru puku ruo ihe karịrị otu nde n'ihi ihe onwunwe ha dị mma na nke pụrụ iche.

A na-ekewa PVP n'ọkwa anọ dabere na nkezi ibu molekul ya, a na-egosipụtakwa ya site na ụkpụrụ K. Ụkpụrụ K dị iche iche na-anọchite anya oke nha nkezi ibu molekul nke PVP. Uru K bụ n'ezie uru njirimara metụtara viscosity nke mmiri mmiri PVP, viscosity bụkwa ọnụọgụ anụ ahụ metụtara ibu molekul nke polima. Ya mere, enwere ike iji uru K kọwaa nkezi ibu molekul nke PVP. Ọtụtụ mgbe, ka uru K buru ibu, otú ahụ ka viscosity ya si dị elu ma sie ike njikọ ya. Enwere ike kewaa ụdị ngwaahịa na nkọwapụta PVP bụ isi n'ime ọkwa viscosity nke K-15, K17, K25, K-30, K60, na K-90 dabere na ibu molekul.

UNILONG INDUSTRY nwere ike inye ihe ndị aPVP-Kngwaahịa usoro:

PVP, dịka ihe mejupụtara polima sịntetik nke na-agbaze mmiri, nwere ihe ndị bụ isi nke ihe mejupụtara polima na-agbaze mmiri, gụnyere nchedo colloid, nhazi ihe nkiri, njikọ, nnabata mmiri, ịgbaze mmiri ma ọ bụ coagulation. Agbanyeghị, ihe kachasị pụta ìhè ya bụ ike ịgbaze ya nke ọma na ndakọrịta anụ ahụ, nke dọtara uche. Na polima sịntetik, PVP, nke na-agbaze na mmiri na ọtụtụ ihe mgbaze organic, nwere obere nsí, yana ezigbo ndakọrịta anụ ahụ, a naghị ahụ ya nke ọma, ọkachasị n'ọhịa ndị metụtara ahụike mmadụ dịka ọgwụ, nri, na ihe ịchọ mma. Ihe ndị a bụ okwu mmalite kpọmkwem maka mpaghara ojiji ya:

N'ihe gbasara ihe ịchọ mma kwa ụbọchị

N'ihe ịchọ mma kwa ụbọchị, PVP na copolymer nwere ezigbo ihe na-agbasa ma na-emepụta ihe nkiri. PVP nwere ike ichebe colloid na ude, a pụkwara iji ya na ude abụba na nke na-abụghị abụba, dị ka ihe na-eme ka mmiri dị ọcha, ihe na-eme ka ntutu fesa na mousse dị ọcha, ihe na-eme ka ntutu dị jụụ, ihe na-eme ka ntutu sie ike, ihe na-eme ka ntutu dị jụụ, ihe na-eme ka ntutu dị jụụ, ihe na-eme ka ntutu dị jụụ, ihe na-eme ka agba ntutu na-agbasa na ihe na-eme ka a na-ahụ anya. Ịtinye PVP na ude snow, ihe na-eme ka anyanwụ dị ọcha, na ihe na-ewepụ ntutu nwere ike ime ka mmiri na mmanụ dịkwuo mma.

Ebe ịsa ahụ

PVP nwere ihe ndị na-egbochi ntụpọ na mmiri ozuzo, a pụkwara iji ya kwadebe mmiri doro anya ma ọ bụ ihe nhicha dị arọ. Ịtinye PVP na ihe nhicha na-eme ka agba dị mma ma nwee ike ime ka ikike nhicha dịkwuo mma. Mgbe ị na-asa ákwà, ọ nwere ike igbochi ihe nhicha sịntetik na-akpasu akpụkpọ ahụ iwe, ọkachasị eriri sịntetik. Arụmọrụ a dị egwu karịa ihe nhicha carboxymethyl cellulose (CMC). Enwere ike iji borax jikọta PVP dị ka ihe dị irè na nhazi nke ihe nhicha phenolic disinfectant. Ihe nhicha ahụ nke PVP na hydrogen peroxide mejupụtara nwere ọrụ nke ịcha ọcha na igbu nje bacteria.

Ịbipụta ákwà na agba agba

PVP nwere ezigbo njikọ na ọtụtụ agba organic ma nwee ike ijikọ ya na eriri sịntetik hydrophobic dị ka polyacrylonitrile, esters, naịlọn, na ihe ndị nwere eriri fibrous iji melite ike agba na hydrophilicity. Mgbe PVP na naịlọn grafting copolymerization gasịrị, ákwà e mepụtara mere ka ọ dịkwuo mma iguzogide mmiri na iguzogide mmiri.

Mkpuchi na agba

Agba na ihe mkpuchi e ji PVP kpuchie na-apụta ìhè n'enweghị mmetụta na agba okike ha, na-eme ka mkpuchi na agba na-egbuke egbuke ma na-agbasa, na-eme ka okpomọkụ kwụsie ike, ma na-eme ka ink na ink ghara ịgbasa nke ọma.

Ngalaba ahụike

PVP nwere ezigbo ike n'ahụ mmadụ, ọ naghị esonye na metabolism mmadụ, ma nwee ezigbo njikọ bio, nke na-anaghị akpata mkpasu iwe ọ bụla na akpụkpọ ahụ, mucosa, anya, wdg. PVP nke ọkwa ahụike bụ otu n'ime ihe atọ kachasị mkpa maka ọgwụ ọhụrụ a na-akwado n'ụwa niile, nke enwere ike iji dị ka ihe na-ejikọ mbadamba na granules, ihe na-agbaze agba maka ịgba ntụtụ, na ihe enyemaka mmiri maka capsules; Ihe na-eme ka ihe na-egbu egbu, ihe na-agbatị, ihe na-eme ka ihe na-egbu egbu na ihe na-eme ka ihe nkiri kpụọ maka anya mmiri, ihe na-agbasa mmiri mmiri, ihe na-eme ka enzymes na ọgwụ ndị na-eme ka okpomọkụ dị ala, a pụkwara iji ya dị ka ihe nchekwa dị ala. A na-eji ya maka lenses kọntaktị iji mee ka hydrophilicity na mmanụ ha dịkwuo elu. Na mgbakwunye, enwere ike iji PVP dị ka ihe na-agba agba na ihe na-eme ka X-ray dị iche iche; Enwere ike iji ya maka ụdị ọgwụ dị iche iche dịka mbadamba, granules, na mmiri. O nwere nsị, hemostasis, mmụba nke mgbasa, mgbochi nke njikọta peritoneal, na nkwalite nke erythrocyte sedimentation rate. Emepeela PVP K30 n'ihu ọha site na nkwado nke ngalaba nchịkwa ọgwụ mba.

Nhazi nri

PVP n'onwe ya abụghị ihe na-akpata kansa ma nwee ezigbo nchekwa nri. Ọ nwere ike ịmepụta ihe mgbagwoju anya nwere ngwakọta polyphenolic pụrụ iche (dịka tannins) ma a na-ejikarị ya eme ihe dị ka ihe na-eme ka ihe doo anya ma na-eme ka ọ kwụsie ike na nhazi nri, dị ka biya, ihe ọṅụṅụ mkpụrụ osisi, na mmanya vaịn. PVP nwere ike ịmepụta ihe mgbagwoju anya nwere ngwakọta polyphenolic pụrụ iche (dị ka tannins), nke na-arụ ọrụ doro anya na nke na-egbochi ihe ọṅụṅụ na ihe ọṅụṅụ mkpụrụ osisi. Itinye PVP njikọ na biya na ihe ọṅụṅụ tii bụ ihe a na-ahụkarị. Ihe polyphenolic dị na biya nwere ike ijikọ ya na protein dị na biya iji mepụta tannin macromolecular complexes, nke na-emetụta uto nke biya nke ukwuu ma na-ebelata ndụ nchekwa ya. Polyvinylpyrrolidone njikọ (PVPP) nwere ike ịme ka ọ dị ka tannic acid na anthocyanins na biya, si otú a mee ka biya ahụ doo anya, na-eme ka nchekwa ya dịkwuo mma, ma na-agbatị ndụ nchekwa ya. Na ihe ọṅụṅụ tii, iji PVPP nwere ike ibelata ọdịnaya nke polyphenols tii nke ọma, PVPP anaghị anọgide na ihe ọṅụṅụ tii, na-eme ka ọ bụrụ ihe a na-emegharị emegharị ma na-ebelata ọnụ ahịa nke ukwuu.

Ebe ndị bụ isi e ji eme ihe na PVP dị ugbu a n'ụlọ ọrụ kemịkalụ na ọgwụ kwa ụbọchị, uto nke ụlọ ọrụ abụọ a ga-anọgide na-akpali mkpa isi maka oriri PVP n'ọdịnihu. N'ọhịa PVP na-apụta, n'ụlọ ọrụ batrị lithium, enwere ike iji PVP dị ka ihe na-ekesa ihe maka elektrọd batrị lithium na ihe enyemaka nhazi maka ihe ndị na-eduzi ihe; N'ụlọ ọrụ fotovoltaic, enwere ike iji PVP dị ka ihe na-ekesa ihe iji mepụta ntụ ọka ọlaọcha dị elu maka ihe na-eme ka ọ dị mma maka ihe na-eme ka ọ dị mma, ntụ ọka ọlaọcha dị ka mpempe akwụkwọ maka ihe na-eme ka ọ dị mma maka ihe na-eme ka ọ dị mma, na ihe na-eme ka ọ dị na nano ọlaọcha. Site na mmụba na-aga n'ihu nke ọnụego ntinye batrị lithium na mmụba nke ikike ntinye fotovoltaic, ubi abụọ a na-apụta ga-akpali ọchịchọ maka PVP nke ukwuu.

Unilong bụ ọkachamara na-eweta ngwaahịa, naUsoro PVPEmepụtala ma mepụta ya ruo afọ iri. Site na mgbanwe dị n'ahịa, ọkọnọ nke ngwaahịa PVP adịghị ezu. Ugbu a, anyị etinyela ụzọ mmepụta abụọ ọzọ, yana ọkọnọ zuru oke na ọnụ ahịa dị mma. Biko nweere onwe gị ịjụ ajụjụ.