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    Heterochain Polymer Composition
    3.
    发明申请
    Heterochain Polymer Composition 审中-公开

    公开(公告)号：US20190202993A1

    公开(公告)日：2019-07-04

    申请号：US16236608

    申请日：2018-12-30

    Applicant: Saint-Gobain Performance Plastics Corporation

    Inventor： Jianfeng Zhang ,  Jian L. Ding ,  Ying Wang ,  Xipeng Liu

    IPC: C08G77/14 ,  C09D183/06 ,  C09J183/06

    CPC classification number: C08G77/14 ,  C09D183/06 ,  C09J183/06

    Abstract: This disclosure relates to polymerizable silicone compositions, methods for polymerizing such compositions, and to polymerized silicone compositions formed thereby. In one embodiment, a polymerizable composition includes one or more first organosiloxanes or organosilanes, each comprising a plurality of silicon hydride functional groups, one or more second organosiloxanes or organosilanes, each comprising a plurality of reactive heterocycloalkyl functional groups; and one or more third organosiloxanes or organosilanes, each comprising at least about one silicon hydride functional group and at least about one reactive heterocycloalkyl functional group; one or more reactive organic compounds, each comprising at least about one reactive heterocycloalkyl functional group; and an effective amount of a borane catalyst, present, for example, in an amount within the range of 0.0005 wt % to about 10 wt %, wherein the ratio of reactive heterocycloalkyl functional groups to reactive silicon hydride functional groups in the composition is in the range of 1:5 to 5:1.

    SILICONE COMPOSITIONS
    4.
    发明申请
    SILICONE COMPOSITIONS 审中-公开

    公开(公告)号：US20190031932A1

    公开(公告)日：2019-01-31

    申请号：US16148766

    申请日：2018-10-01

    Applicant: Saint-Gobain Performance Plastics Corporation

    Inventor： Jianfeng Zhang ,  Michael J. Tzivanis ,  Xipeng Liu ,  Jian L. Ding

    IPC: C09J183/06

    Abstract: This disclosure relates to polymerizable silicone compositions, methods for polymerizing such compositions, and to polymerized silicone compositions formed thereby. In one embodiment, a polymerizable composition includes one or more first organosiloxanes or organosilanes, each comprising a plurality of silicon hydride functional groups, one or more second organosiloxanes or organosilanes, each comprising a plurality of reactive heterocycloalkyl functional groups; and one or more third organosiloxanes or organosilanes, each comprising at least about one silicon hydride functional group and at least about one reactive heterocycloalkyl functional group; and an effective amount of a borane catalyst, present, for example, in an amount within the range of 0.0005 wt % to about 10 wt %, wherein the ratio of reactive heterocycloalkyl functional groups to reactive silicon hydride functional groups in the composition is in the range of 1:5 to 5:1. The compositions and methods are useful, for example, in adhesive and sealing applications.

    PHOTOCURABLE COMPOSITIONS AND METHODS FOR 3D PRINTING USING THEM
    6.
    发明申请
    PHOTOCURABLE COMPOSITIONS AND METHODS FOR 3D PRINTING USING THEM 审中-公开

    公开(公告)号：US20190092951A1

    公开(公告)日：2019-03-28

    申请号：US16143062

    申请日：2018-09-26

    Applicant: Saint-Gobain Performance Plastics Corporation

    Inventor： Lian Wang ,  Qiaoxi Li ,  Jianfeng Zhang ,  Xipeng Liu ,  Taoran Hui

    IPC: C09D11/101 ,  C09D11/102 ,  B33Y10/00 ,  B33Y70/00

    Abstract: The present disclosure relates generally to photocurable compositions and methods for continuously forming a three-dimensional body from these compositions. More particularly, the present disclosure relates to photocurable compositions comprising a mixture of polysiloxanes capable of being dually cured, i.e., first by UV radiation followed by thermal treatment, or being cured by UV radiation. In one aspect, the disclosure provides a photocurable composition, including: a first polysiloxane comprising at least two acrylate or methacrylate groups per molecule; a second polysiloxane containing at least one (e.g., at least two) Si—H group per molecule; a third polysiloxane containing at least one (e.g., at least two) reactive aliphatic ethylene group per molecule; a free radical photoinitiator in an amount of about 0.01 to about 10 weight % based on the total weight of (meth)acrylate-containing polysiloxane in the composition; and a hydrosilylation catalyst in an amount of about 0.001 to about 10 weight % hydride-containing polysiloxane and vinyl-containing polysiloxane in the composition.

    Photocurable compositions and methods for 3D printing using them
    7.
    发明授权
    Photocurable compositions and methods for 3D printing using them 有权

    公开(公告)号：US11492504B2

    公开(公告)日：2022-11-08

    申请号：US16143062

    申请日：2018-09-26

    Applicant: Saint-Gobain Performance Plastics Corporation

    Inventor： Lian Wang ,  Qiaoxi Li ,  Jianfeng Zhang ,  Xipeng Liu ,  Taoran Hui

    IPC: B33Y70/00 ,  C09D11/101 ,  C09D11/102 ,  B33Y10/00 ,  B29C64/124 ,  B29C64/112 ,  B29C64/135

    Abstract: The present disclosure relates generally to photocurable compositions and methods for continuously forming a three-dimensional body from these compositions. More particularly, the present disclosure relates to photocurable compositions comprising a mixture of polysiloxanes capable of being dually cured, i.e., first by UV radiation followed by thermal treatment, or being cured by UV radiation. In one aspect, the disclosure provides a photocurable composition, including: a first polysiloxane comprising at least two acrylate or methacrylate groups per molecule; a second polysiloxane containing at least one (e.g., at least two) Si—H group per molecule; a third polysiloxane containing at least one (e.g., at least two) reactive aliphatic ethylene group per molecule; a free radical photoinitiator in an amount of about 0.01 to about 10 weight % based on the total weight of (meth)acrylate-containing polysiloxane in the composition; and a hydrosilylation catalyst in an amount of about 0.001 to about 10 weight % hydride-containing polysiloxane and vinyl-containing polysiloxane in the composition.

    Radiation curable system and method for making a radiation curable article
    9.
    发明授权
    Radiation curable system and method for making a radiation curable article 有权

    公开(公告)号：US10350573B2

    公开(公告)日：2019-07-16

    申请号：US15582032

    申请日：2017-04-28

    Applicant: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION

    Inventor： Xipeng Liu ,  Michael J. Tzivanis ,  Jian L. Ding

    IPC: C08F2/48 ,  C08F2/50 ,  C08G61/04 ,  B01J19/12 ,  C08K5/5419 ,  B05D3/06 ,  C08G77/20 ,  B01J35/00 ,  B01D63/00 ,  C08F290/06

    Abstract: A radiation curable system to form a radiation curable article includes a container including a first portion and a second portion, the first portion of the container including an ultraviolet curable silicone composition including an unsaturated, carbon functional group-containing siloxane component, a hydride-containing siloxane component, and a photoactive catalyst; a second portion of the container including a cure inhibitor; and a source of radiation. Further included is a method of forming a radiation curable article includes providing an ultraviolet curable silicone composition in a first portion of a container, wherein the ultraviolet curable silicone composition includes an unsaturated, carbon functional group-containing siloxane component, a hydride-containing siloxane component, and a photoactive catalyst; providing a cure inhibitor in a second portion of the container; and irradiating the silicone composition with a radiation source to form the radiation curable article.

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