imikhiqizo

Amagama afanayo ngesiNgisi

i-antioxidant

izici zamakhemikhali

I-Ultraviolet absorber uhlobo lwesiqinisi sokukhanya, ingamunca ukukhanya kwelanga kanye nomthombo wokukhanya we-fluorescent engxenyeni ye-ultraviolet, kodwa yona ngokwayo ayishintshi.
Ngenxa yokuthi imisebe yelanga iqukethe inani elikhulu lokukhanya kwe-ultraviolet okulimaza izinto ezinemibala, ubude bayo bungama-nanometer angu-290-460, lokhu kukhanya kwe-ultraviolet okulimazayo ngokusebenzisa ukusabela kwe-chemical Redox, ama-molecule ombala ekugcineni ayabola futhi anyamalale.
Kunezindlela zomzimba nezamakhemikhali zokuvimbela ukulimala kombala ekukhanyeni kwe-UV okuyingozi.
Nasi isingeniso esifushane sendlela yamakhemikhali, okungukuthi, ukusetshenziswa kwezifutho ze-UV ukuvikela into ekuvimbeleni okuphumelelayo, noma ukwenza buthaka ukubhujiswa kwayo kombala.
Izifutho ze-UV kufanele zibe nezimo ezilandelayo
(1) ingamunca kakhulu ukukhanya kwe-ultraviolet (ikakhulukazi ubude be-wavelength obungu-290-400nm); (2) Ukuqina okuhle kokushisa, ngisho nasekucutshungulweni ngeke kushintshe ngenxa yokushisa, ukuguquguquka kokushisa kuncane; Ukuqina okuhle kwamakhemikhali, akukho ukusabela okubi ngezingxenye zezinto ezikumkhiqizo; (4) Ukuxubana okuhle, kungasakazwa ngokulinganayo ezintweni, akukho frost, akukho exudation; (5) Ukuqina kwe-photochemical kwe-absorbent ngokwayo kuhle, akuboli, akushintshi umbala; ⑥ Ayinambala, ayinabo ubuthi, ayinaphunga; ⑦ ukumelana nokugezwa ngamanzi; ⑧ Ishibhile futhi kulula ukuyithola; 9. Ayincibiliki noma ayincibiliki emanzini.
Ama-UV absorbers angahlukaniswa ngamaqembu alandelayo ngokwesakhiwo sawo samakhemikhali: ama-salicylate esters, ama-phenylketones, ama-benzotriazoles, ama-acrylonitrile ashintshiwe, ama-triazines kanye nama-amine avaliwe.

Isingeniso somkhiqizo kanye nezici

I-Ultraviolet absorbent iyona esetshenziswa kakhulu uhlobo olulodwa lwesiqinisi sokukhanya, ngokwesakhiwo sayo ingahlukaniswa ngama-salicylate esters, i-benzophenone, i-benzotriazole, i-acrylonitrile eshintshiwe, ama-triazines, njll., ukusetshenziswa kwezimboni kwe-benzophenone kakhulu ne-benzotriazole. I-quencher ngokuyinhloko iyinkimbinkimbi yensimbi, njenge-divalent nickel complex, ngokuvamile ne-ultraviolet absorbent futhi, umphumela we-synergistic, i-ultraviolet absorbent uhlobo lwesiqinisi sokukhanya, ingamunca ukukhanya kwelanga nomthombo wokukhanya we-fluorescent engxenyeni ye-ultraviolet, futhi ngokwayo ayishintshi.
Ngenxa yokuthi imisebe yelanga iqukethe inani elikhulu lokukhanya kwe-ultraviolet okulimaza izinto ezinemibala, ubude bayo bungama-nanometer angu-290-460, lokhu kukhanya kwe-ultraviolet okulimazayo ngokusebenzisa ukusabela kwe-chemical Redox, ama-molecule ombala ekugcineni ayabola futhi anyamalale.
Kunezindlela zomzimba nezamakhemikhali zokuvimbela ukulimala kombala ekukhanyeni kwe-UV okuyingozi.
Nasi isingeniso esifushane sendlela yamakhemikhali, okungukuthi, ukusetshenziswa kwezifutho ze-UV ukuvikela into ekuvimbeleni okuphumelelayo, noma ukwenza buthaka ukubhujiswa kwayo kombala

sebenzisa

Ingamunca ngempumelelo ukukhanya kwe-ultraviolet ngobude be-wavelength obungu-270-380 nm, esetshenziswa kakhulu kwi-polyvinyl chloride, i-polystyrene, i-resin engagcwalisiwe, i-polycarbonate, i-polymethyl methacrylate, i-polyethylene, i-ABS resin, i-epoxy resin kanye ne-cellulose resin, njll. Ifaneleka kakhulu ezintweni ezithinta ukukhanya njengefilimu yombala, ifilimu yombala, iphepha lombala kanye ne-polymer, njll. Ifaneleka kakhulu kwimikhiqizo engenambala ecacile nekhanyayo; Ukuze imuncwe kakhulu, i-ultraviolet absorber esebenza kahle kakhulu

iphakheji kanye nokuthuthwa

B. Lo mkhiqizo ungasetshenziswa,,25KG,BAERRLS.
C. Gcina kuvaliwe endaweni epholile, eyomile futhi enomoya opholile ngaphakathi. Izitsha kufanele zivalwe kahle ngemva kokusetshenziswa ngakunye ngaphambi kokusetshenziswa.
D. Lo mkhiqizo kufanele uvalwe kahle ngesikhathi sokuthuthwa ukuze kuvinjelwe umswakama, i-alkali enamandla ne-asidi, imvula nokunye ukungcola ekuxubeni.