Ultraviolet ray-curable silicone adhesive agent composition, and method for producing laminate

    公开(公告)号:US12110426B2

    公开(公告)日:2024-10-08

    申请号:US17425100

    申请日:2019-11-26

    摘要: An ultraviolet ray-curable silicone adhesive agent composition comprising



    (A) a polysiloxane represented by formula (1):

    (R1SiO3/2)a1(R13SiO1/2)b1(X1O1/2)c1

    (wherein R1 represents a monovalent hydrocarbon group wherein a methyl group accounts for 20 mol % or more and an alkenyl group accounts for 0.1 to 50 mol %; X1 represents a hydrogen atom or the like; a1 represents 0.1 to 1; b1 represents 0 to 0.75; and c1 represents 0 to 0.1; and the requirement represented by the formula: a1+b1+c1=1 is satisfied),

    (B) a polysiloxane represented by formula (2):

    (R23SiO1/2)a2(R22SiO)b2

    (wherein R2 represents a monovalent hydrocarbon group wherein a methyl group accounts for 20 mol % or more and an alkenyl group accounts for 0.01 to 25 mol %; a2 represents 0.001 to 0.67; b2 represents 0.33 to 0.999; and the requirement represented by the formula: a2+b2=1 is satisfied),

    (C) a hydrogen polysiloxane represented by formula (3):

    R3dHeSiO[(4-d-e)/2]

    (wherein R3 represents a monovalent hydrocarbon group; and d and e represent numerical values satisfying the requirements represented by the formulae: 0.7≤d≤2.5, 0.01≤e≤1.0 and 0.8≤d+e≤2.7) and

    (D) a platinum-group catalyst capable of being activated with light having a wavelength of 200 to 500 nm.




    The ultraviolet ray-curable silicone adhesive agent composition can provide a cured article having excellent adhesion force to an object of interest even when being cured under room temperature.

    ULTRAVIOLET-CURABLE COMPOSITION AND USE THEREOF

    公开(公告)号:US20240174889A1

    公开(公告)日:2024-05-30

    申请号:US18283292

    申请日:2022-03-15

    发明人: Takuya OGAWA

    摘要: Provided is a UV curable composition containing a silicon atom, wherein a product obtained by curing the composition has excellent flexibility and excellent workability when applied to a substrate. The UV curable composition of the present disclosure comprises: (A) one or more organopolysiloxane with three or more silicon atoms and having, on average, two or more UV curable functional groups in a molecule; and (B) one or more organosilicon compound having one UV curable functional group in a molecule. The composition is substantially free or an organic solvent. In addition, the viscosity of the entire composition measured at 25° C. using an E-type viscometer is 80 mPa·s or less.

    CURABLE SILICONE COMPOSITION
    5.
    发明公开

    公开(公告)号:US20240158580A1

    公开(公告)日:2024-05-16

    申请号:US18279056

    申请日:2022-03-04

    摘要: A curable silicone composition is provided. The composition comprises: (A) an epoxy-functional organopolysiloxane resin having monovalent aromatic hydrocarbon groups; (B) an epoxy-functional organosiloxane oligomer; (C) a photoacid generator and/or a thermal acid generator; and (D) a black azo dye. The composition exhibits good to excellent storage stability, and cures to form a cured product exhibiting good to excellent shading property without causing shrinkage and “MURA” defects.

    MIXED COMPOSITION
    9.
    发明公开
    MIXED COMPOSITION 审中-公开

    公开(公告)号:US20230399472A1

    公开(公告)日:2023-12-14

    申请号:US18033377

    申请日:2021-12-02

    IPC分类号: C08G77/44 C08G77/14 G02B1/18

    CPC分类号: C08G77/44 C08G77/14 G02B1/18

    摘要: To provide a mixed composition which is capable of forming a film excellent in liquid-repellent property (water-repellent property in particular) and furthermore which is excellent in storage stability and is capable of forming a film excellent in liquid-repellent property (water-repellent property in particular) even if stored for a long period of time and then formed into a film. To further provide a film obtained by curing the mixed composition, and glass having the film. A mixed composition of a compound (A1) represented by formula (a1), an organosilicon compound (B) represented by formula (b1), and a solvent (E), wherein the solvent (E) comprises a compound (E1) satisfying a Hansen solubility parameter of 18 (J/cm3)1/2 or more and 23.5 (J/cm3)1/2 or less and a hydrogen bonding term (δH) of the Hansen solubility parameter, of 5.5 (J/cm3)1/2 or more.

    CURABLE SILICONE COMPOSITION AND CURED PRODUCT THEREOF

    公开(公告)号:US20230365757A1

    公开(公告)日:2023-11-16

    申请号:US18027951

    申请日:2021-09-23

    发明人: Jina CHON

    摘要: A curable silicone composition is provided. The composition comprises: (A) an epoxy-functional silicone resin having monovalent aromatic hydrocarbon groups; (B) an epoxy-functional silicone; (C) a cationic photoinitiator; and (D) a silatrane derivative or a carbasilatrane derivative, wherein each derivative has at least one silicon atom-bonded alkoxy group per molecule. The composition has excellent curability with UV radiation, and further with heating, generally forms a cured product with excellent thermal and light resistance, and adhesion properties.