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Zinc Pyrithione (ZPT): Fungicide Olona-ašẹ

 

Kini Ṣe Zinc Pyrithion?

Zinc pyrithione (ZPT) jẹ eka zinc Organic pẹlu agbekalẹ molikula ti C₁₀H₈N₂O₂S₂Zn (iwuwo molikula 317.7). Orukọ rẹ wa lati inu awọn eroja gbongbo adayeba ti ọgbin Annonaceae Polyalthia nemoralis, ṣugbọn ile-iṣẹ ode oni ti gba iṣelọpọ kemikali lati gbejade. Ni ọdun 2024, ilana itọsi ti Ilu China bu nipasẹ igo mimọ, ati pe crotonic acid aimọ ni a ṣakoso ni isalẹ 16ppm nipasẹ kẹmika-acetone ti o ni iwọn crystallization, ati mimọ ite elegbogi ti pọ si 99.5%.

 

Awọn ohun-ini ti ara ati kemikali:

Irisi ati solubility: funfun si die-die ofeefee crystalline lulú, fere insoluble ninu omi (<0.1g / 100mL), die-die soluble ni ethanol, solubility ni polyethylene glycol le de ọdọ 2000mg / kg;

Awọn aito iduroṣinṣin: ifarabalẹ si ina ati awọn oxidants, ni irọrun ti bajẹ nipasẹ ina ultraviolet, apoti brown ti a beere; ikuna dissociation ni pH <4.5 tabi> 9.5, pH ti o dara julọ jẹ 4.5-9.5;

Ojuami jijẹ gbona gbona: iduroṣinṣin fun awọn wakati 120 ni 100 ℃, ṣugbọn decomposes ni iyara ju 240 ℃;

Ailabamu: precipitates pẹlu cationic surfactants, chelates ati discolors pẹlu irin/Ejò ions (paapa 1ppm le fa awọn ọja lati tan-ofeefee).

 

Kini AwọnAwọn anfaniTi Zinc Pyrithion ?

ZPT ṣaṣeyọri sterilization-spekitiriumu (doko lodi si awọn oriṣi 32 ti awọn microorganisms) nipasẹ ẹrọ paṣipaarọ ion alailẹgbẹ kan, pataki fun Malassezia, ẹlẹṣẹ ti dandruff, pẹlu MIC kan kere bi 8ppm:

 

1. Ion Gradient Iparun

Ni agbegbe ekikan, H⁺ ti wa ni titẹ sii sinu awọn kokoro arun ati K⁺ ti jade, ati ni agbegbe ipilẹ, Na⁺/Mg²⁺ ti rọpo, eyiti o tuka eto gbigbe ohun elo eroja microbial;

 

2. Cell Membrane didenukole

Fi sii sinu bilayer phospholipid, jijẹ permeability awo ilu ati nfa jijo ohun elo intracellular;

 

3. Idena Iṣẹ-ṣiṣe Enzyme

Idilọwọ pq gbigbe elekitironi ati idinamọ awọn enzymu bọtini ti iṣelọpọ agbara (bii ATP synthase).

 

Ijẹrisi ile-iwosan: Lẹhin lilo shampulu ti o ni 1.5%zIncpyrithionfun ọsẹ 4, dandruff ti dinku nipasẹ 90%, ati pe oṣuwọn atunṣe ti seborrheic dermatitis dinku nipasẹ 60%.

 

 

Kini AwọnOhun eloOf Zinc Pyrithion?

1. Aaye Kemikali Ojoojumọ:

O le ṣee lo ni 70% ti shampulu egboogi-egbogi, pẹlu afikun iye ti 0.3% -2%;

 

Diẹ ninu awọn ọja ohun ikunra le ni ihamọ lilo zinc pyrithion ati pe o nilo lati samisi “fi omi ṣan lẹhin lilo”. O le lo ọja yiyan piroctone ethanolamine (OCT).

 

2. Anti-Ibajẹ Ile-iṣẹ:

Iyika atako-aiṣedeede: idapọ pẹlu ohun elo afẹfẹ cuprous lati ṣe idiwọ asomọ barnacle ati dinku agbara idana ọkọ nipasẹ 12%;

 

3. Ogbin Ati Ohun elo:

Idaabobo irugbin: 0.5% oluranlowo ti a bo ṣe idilọwọ imuwodu ati ki o mu iwọn germination pọ si nipasẹ 18%;

 

Okun Antibacterial: aṣọ polyester tirun ni oṣuwọn antibacterial ti> 99%.

 

4. Ilọsiwaju Iṣoogun:

Ayẹwo odi-mẹta (ko si carcinogenicity / teratogenicity / mutagenicity), ti a lo fun gel irorẹ ati bobo antibacterial ti awọn ẹrọ iṣoogun.

 

Awọn imọran:

Biotilejepe awọn ńlá roba oroof sinkii pyrithionjẹ kekere (LD₅₀>1000mg/kg ninu awọn eku), awọn ikilọ ile-iwosan ni awọn ọdun aipẹ:

 

Majele ti awọ ara: olubasọrọ igba pipẹ nfa dermatitis inira, ati olubasọrọ ipenpeju le fa conjunctivitis;

 

Awọn ilodisi pipe:

→ Awọ-ara ti o bajẹ (permeability pọ si awọn akoko 3, ti o mu ki ifihan eto eto);

→ Awọn obinrin aboyun ati awọn ọmọde (data ilaluja idena ọpọlọ-ẹjẹ ti nsọnu);

 

Awọn ibaraẹnisọrọ oogun: Yago fun lilo apapọ pẹlu EDTA (chelating zinc ions dinku ipa oogun).

 

NEWGREEN Ipese Didara to gajuZinc PyrithionLulú


Akoko ifiweranṣẹ: Jul-09-2025