Method for preparing antistatic UV curable hardcoatings on optical articles

    公开(公告)号:AU2011353751B8

    公开(公告)日:2015-10-15

    申请号:AU2011353751

    申请日:2011-01-04

    Applicant: ESSILOR INT

    Inventor: VALERI ROBERT

    Abstract: The present invention is drawn to a method for manufacturing antistatic UV-cured hard-coatings on optical articles, comprising (a) coating an organic or mineral optical substrate with an essentially anhydrous solution containing from 20 % to 90 % by weight, relative to the total dry matter of the solution, of at least one non hydrolyzed epoxyalkyltrialkoxysilane and at least 3.2 % by weight, relative to the total dry matter of the solution, of at least one photoinitiator selected from the group consisting of triarylsulfonium salts, diaryliodonium salts, and mixtures thereof, (b) curing the resulting coating by irradiation with UV-radiation, said method not comprising any hydrolysis step before the UV curing step.

    PROCEDE D'OBTENTION D'UN ARTICLE EN MATERIAU TRANSPARENT EXEMPT DE RAIES DE SURFACAGE VISIBLES ET ARTICLE OBTENU

    公开(公告)号:FR2887488A1

    公开(公告)日:2006-12-29

    申请号:FR0506350

    申请日:2005-06-22

    Applicant: ESSILOR INT

    Abstract: Procédé d'obtention d'un article transparent exempt de raies de surfaçage visibles, comprenant :- l'obtention d'un substrat en un matériau transparent d'indice de réfraction ns, dont au moins une face principale a été ébauchée et polie à une valeur de Ra variant de 0,001 à 0,01 mum mais qui présente des défauts de surface visibles sous la forme de fines rayures individualisées ;- le dépôt directement sur la face principale ébauchée et polie du substrat d'une composition liquide, polymérisable, de revêtement de masquage présentant un angle de contact avec la face principale du substrat d'au plus 30 degree , et formant par polymérisation un revêtement de masquage ayant un indice de réfraction nc tel que 0,01

    14.
    发明专利
    未知

    公开(公告)号:AT328943T

    公开(公告)日:2006-06-15

    申请号:AT01945327

    申请日:2001-06-28

    Applicant: ESSILOR INT

    Abstract: The process comprises, (a) adding to a polymerizable composition containing a component A comprising at least one silane compound containing at least one epoxy group and at least two alkoxy groups directly bonded to the Si atom of the molecule or hydrolysate thereof and a component B comprising fine particles of silica, an effective amount of at least one cationic photopolymerization initiator and an effective amount of at least one thermal polymerization catalyst, (b) coating at least one surface of the substrate with the composition resulting from step (a), (c) submitting the coated substrate to a photopolymerization step for pre-curing the coating layer; and thereafter, (d) submitting the substrate with the pre-cured coating layer thereon to a thermal curing at a predetermined temperature and for a predetermined time to complete curing of the coating layer.

    СПОСОБ ПОЛУЧЕНИЯ АНТИСТАТИЧЕСКИХ ТВЁРДЫХ УФ-ОТВЕРЖДАЕМЫХ ПОКРЫТИЙ НА ОПТИЧЕСКИХ ИЗДЕЛИЯХ

    公开(公告)号:EA024448B1

    公开(公告)日:2016-09-30

    申请号:EA201300795

    申请日:2011-01-04

    Applicant: ESSILOR INT

    Inventor: VALERI ROBERT

    Abstract: Настоящееизобретениеотноситсяк способуизготовленияантистатическихУФ-отверждённыхтвёрдыхпокрытийнаоптическихизделиях, включающемустадии, накоторых: (a) наорганическуюилинеорганическуюоптическуюподложкунаносят, посуществу, безводныйраствор, включающий 20-90 мас.% относительнообщеймассысухоговеществав растворепоменьшеймереодногонегидролизованногоэпоксиалкилтриалкоксисиланаи поменьшеймере 3,2 мас.% относительнообщеймассысухоговеществав растворепоменьшеймереодногофотоинициатора, выбранногоизгруппы, состоящейизсолейтриарилсульфония, солейдиарилйодонияи ихсмесей, (b) полученноепокрытиеотверждаютприоблученииУФ-излучением.

    Method for preparing antistatic UV curable hardcoatings on optical articles

    公开(公告)号:AU2011353751A8

    公开(公告)日:2015-10-15

    申请号:AU2011353751

    申请日:2011-01-04

    Applicant: ESSILOR INT

    Inventor: VALERI ROBERT

    Abstract: The present invention is drawn to a method for manufacturing antistatic UV-cured hard-coatings on optical articles, comprising (a) coating an organic or mineral optical substrate with an essentially anhydrous solution containing from 20 % to 90 % by weight, relative to the total dry matter of the solution, of at least one non hydrolyzed epoxyalkyltrialkoxysilane and at least 3.2 % by weight, relative to the total dry matter of the solution, of at least one photoinitiator selected from the group consisting of triarylsulfonium salts, diaryliodonium salts, and mixtures thereof, (b) curing the resulting coating by irradiation with UV-radiation, said method not comprising any hydrolysis step before the UV curing step.

    HEAT-CURABLE EPOXY FUNCTIONAL COMPOSITION AND TRANSPARENT HEAT-CURED CAUSTIC-RESISTANT HARD-COATINGS PREPARED THEREFROM

    公开(公告)号:IN5098DEN2012A

    公开(公告)日:2015-10-09

    申请号:IN5098DEN2012

    申请日:2012-06-08

    Applicant: ESSILOR INT

    Inventor: VALERI ROBERT

    Abstract: A heat-curable composition comprises - from 25 to 65 % by weight of a mixture of epoxyfunctional monomers, said mixture consisting of at least one polyfunctional epoxy monomer selected from monomers comprising from 4 to 8 glycidyl groups and/or cycloaliphatic epoxy groups, and at least one bi- or tri-functional epoxy monomer selected from monomers comprising two or three glycidyl groups and/or cycloaliphatic epoxy groups, - from 25 to 70 % by weight of at least one organic solvent selected from glycol monoethers, - fiom 2.5 to 5 % by weight, relative to the total weight of epoxyfunctional monomers (a) and (b), of at least one blocked strong acid catalyst, said heat-curable composition not containing any nonepoxyfunctional monomers, in particular not containing any acrylic, methacrylic or silane monomers.

    Method for preparing antistatic UV curable hardcoatings on optical articles

    公开(公告)号:AU2011353751B2

    公开(公告)日:2015-06-11

    申请号:AU2011353751

    申请日:2011-01-04

    Applicant: ESSILOR INT

    Inventor: VALERI ROBERT

    Abstract: The present invention is drawn to a method for manufacturing antistatic UV-cured hard-coatings on optical articles, comprising (a) coating an organic or mineral optical substrate with an essentially anhydrous solution containing from 20 % to 90 % by weight, relative to the total dry matter of the solution, of at least one non hydrolyzed epoxyalkyltrialkoxysilane and at least 3.2 % by weight, relative to the total dry matter of the solution, of at least one photoinitiator selected from the group consisting of triarylsulfonium salts, diaryliodonium salts, and mixtures thereof, (b) curing the resulting coating by irradiation with UV-radiation, said method not comprising any hydrolysis step before the UV curing step.

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