SILICONE HYBRID PRESSURE SENSITIVE ADHESIVE AND METHODS FOR ITS PREPARATION AND USE IN PROTECTIVE FILMS FOR (OPTO)ELECTRONIC DEVICE FABRICATION

    公开(公告)号:US20230091861A1

    公开(公告)日:2023-03-23

    申请号:US17802272

    申请日:2021-03-01

    Abstract: A silicone hybrid pressure sensitive adhesive composition that cures to form a silicone hybrid pressure sensitive adhesive contains a polydiorganosiloxane having reactive groups. The reactive groups include a silicon bonded (meth)acryloxyalkyl-functional group in a pendant position and optionally a silicon bonded aliphatically unsaturated hydrocarbon group in a terminal position. The silicone hybrid pressure sensitive adhesive composition can be cured via hydrosilylation reaction on a surface of a substrate to form a protective film. The protective film can be used to protect a passivation layer during a process for fabricating an (opto)electronic device such as a flexible organic light emitting diode display. The protective film can be exposed to radiation to reduce tack and facilitate detaching the protective film from the passivation layer.

    Photocurable silicone composition

    公开(公告)号:US11623989B2

    公开(公告)日:2023-04-11

    申请号:US17104177

    申请日:2020-11-25

    Abstract: A photocurable silicone composition is disclosed. The composition comprises at least one photochromic pigment. The at least one photochromic pigment is selected from the group consisting of 4,4′,4″-methylidynetris(N,N-dimethylaniline), 3,3-bis(p-dimethylaminophenyl)-6-dimethylaminophthalide, 4-4′-benzylidenebis(N,N-dimethylaniline), 2-[(2,4-dinitrophenyl)methyl] pyridine, and combinations thereof. The at least one photochromic pigment is present in an amount of from about 0.001 to about 0.05 mass % of a total amount of the composition. The composition can indicate a cure point thereof by coloring.

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