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    RESIN COMPOSITION, ELECTRICALLY CONDUCTIVE ADHESIVE, CURED OBJECT, AND SEMICONDUCTOR DEVICE
    1.
    发明公开
    RESIN COMPOSITION, ELECTRICALLY CONDUCTIVE ADHESIVE, CURED OBJECT, AND SEMICONDUCTOR DEVICE 审中-公开

    公开(公告)号：US20240301113A1

    公开(公告)日：2024-09-12

    申请号：US18281499

    申请日：2022-02-28

    申请人： NAMICS CORPORATION

    发明人： Masayoshi OTOMO

    IPC分类号： C08F290/06 ,  C09J4/00 ,  C09J9/02

    CPC分类号： C08F290/067 ,  C09J4/00 ,  C09J9/02

    摘要： There are provided: a resin composition that has low elasticity, is curable at low temperature, and has a long pot life; an electrically conductive adhesive that contains the resin composition; a cured product of the resin composition; and a semiconductor device that contains the electrically conductive adhesive or the cured product of the resin composition. The resin composition contains (A) a radically polymerizable curable resin, (B) a radical polymerization initiator, and (C) a radical polymerization inhibitor. The (C) component contains (C1) a nitrosamine compound. The (A) component contains (A1) a urethane acrylate oligomer. The (A1) component has a mass average molecular weight of 1,600 or more and 20,000 or less. The resin composition is useful as an electrically conductive adhesive, a material for mounting components or a sealing material for protecting components, and an insulating material for reinforcement which are used in the FHE field.

    NOVEL URETHANE ACRYLATE COMPOSITION
    2.
    发明公开
    NOVEL URETHANE ACRYLATE COMPOSITION 审中-公开

    公开(公告)号：US20240294800A1

    公开(公告)日：2024-09-05

    申请号：US18574350

    申请日：2022-06-21

    申请人： Stratasys, Inc.

    发明人： Liang CHEN

    IPC分类号： C09D175/16 ,  B33Y70/00 ,  C08F283/00 ,  C08F290/06 ,  C08G18/10 ,  C08G18/44 ,  C08G18/75

    CPC分类号： C09D175/16 ,  B33Y70/00 ,  C08F283/006 ,  C08F290/067 ,  C08G18/10 ,  C08G18/44 ,  C08G18/755

    摘要： Provided is a photopolymerizable composition comprising a blend of: a) from 40 wt. % to 70 wt. % of at least one urethane component; b) from 25 wt. % to 70 wt % of at least one monofunctional reactive diluent; c) from 0.1 wt. % to 5 wt. % of at least one initiator; and d) from 2 wt. % to 10 wt % of an amine-functional (meth)acrylate monomer of formula (I), C═C—CO—O—R1—NR2R3 (I); e) optionally, at least one multiple-functional reactive diluent; f) optionally, from 0.001 wt. % to 1 wt. % of an inhibitor, wherein the wt. % in all instances is based on total weight of the photopolymerizable composition, wherein at least one of R1, R2, and R3 is an alkyl group, and wherein the amine-functional (meth)acrylate monomer is not an amide. Also provided is a process of producing a photopolymerizable composition, the process comprising blending the ingredients of the prior sentence. Further provided is a process of producing a three-dimensional object, the process comprising the steps of: A) depositing the photopolymerizable composition according to the first sentence atop a carrier to obtain a layer of a construction material joined to the carrier which corresponds to a first selected cross section of the precursor; B) depositing additional photopolymerizable composition atop a previously applied layer of the construction material to obtain a further layer of the construction material which corresponds to a further selected cross section of the precursor and which is joined to the previously applied layer, C) repeating step B) until the precursor is formed, wherein the depositing of the photopolymerizable composition at least in step B) comprises introducing energy to a selected region of the photopolymerizable composition corresponding to the respectively selected cross section of the object.