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公开(公告)号：US10889675B2
公开(公告)日：2021-01-12
申请号：US16078878
申请日：2017-05-12
发明人： Zhifeng Bai , Jake Joo , James C. Taylor , Liang Chen , Valeriy V. Ginzburg , Jessica Ye Huang , Christopher J. Tucker
IPC分类号： B82Y20/00 , B82Y40/00 , C08F287/00 , C08F292/00 , C09K11/02 , C08K5/10 , C08K3/08 , B82Y30/00
摘要： A polymer resin comprising: (a) quantum dots, (b) a compound of formula (I) (I) wherein R1 is hydrogen or methyl and R2 is a C6-C20 aliphatic polycyclic substituent, and (c) a block or graft copolymer having Mn from 50,000 to 400,000 and comprising from 10 to 100 wt % polymerized units of styrene and from 0 to 90 wt % of a non-styrene block; wherein the non-styrene block has a van Krevelen solubility parameter from 15.0 to 17.5 (J/cm3)1/2.
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公开(公告)号：US20190062626A1
公开(公告)日：2019-02-28
申请号：US16070300
申请日：2017-02-20
发明人： Jessica Ye Huang , Zhifeng BAI , Liang Chen , Jake Joo , Ing-Feng Hu , James C. Taylor
IPC分类号： C09K11/02 , C08F222/10 , C08K3/013
摘要： A polymer composite comprising quantum dots; said polymer composite comprising: (a) quantum dots; (b) polymerized units of a first compound having at least one readily polymerizable vinyl group, a molecular weight from 300 to 20,000 and at least one continuous acyclic hydrocarbyl chain of at least five carbon atoms; and (c) polymerized units of a second compound having at least one readily polymerizable vinyl group and a molecular weight from 100 to 750; wherein a readily polymerizable vinyl group is part of a (meth)acrylate ester group or is attached directly to an aromatic ring, and the molecular weight of the first compound minus the molecular weight of the second compound is at least 100.
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公开(公告)号：US20190048257A1
公开(公告)日：2019-02-14
申请号：US16078815
申请日：2017-04-03
发明人： Jake Joo , Kathleen M. O'Connell , Liang Chen , Daniel L. Dermody , Zhifeng Bai , James C. Taylor
IPC分类号： C09K11/02
摘要： A method for encapsulating quantum dots. The method comprises steps of: (a) mixing quantum dots with a polymer having a molecular weight from 1,000 to 200,000 and a solubility parameter from 14 to 18.75 (J/cm3)1/2 and a solvent to form a mixture; and (b) spray drying the mixture to produce an encapsulated quantum dot powder.
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公开(公告)号：US10894916B2
公开(公告)日：2021-01-19
申请号：US16078778
申请日：2017-03-31
发明人： Liang Chen , Jake Joo , Yuming Lai , Zhifeng Bai , Jessica Ye Huang , James C. Taylor
IPC分类号： C09K11/02 , C09K11/06 , C09K11/88 , C09K11/77 , C09K11/89 , C09D4/06 , C08F220/20 , C09D133/06 , C08L33/14 , C08L35/02 , C08F222/10 , B82Y20/00 , B82Y40/00
摘要： A polymer composite comprising quantum dots. The polymer composite comprises: (a) quantum dots; (b) a first polymer having a molecular weight from 1,000 to 100,000 and a solubility parameter from 12 to 17 (J/cm3)1/2; (c) a second polymer comprising polymerized units of a first compound comprising at least one readily polymerizable vinyl group and having a molecular weight from 72 to 500, wherein the second polymer has a solubility parameter from 16.5 to 20 (J/cm3)1/2; and (d) a third polymer comprising polymerized units of a second compound comprising at least two readily polymerizable vinyl groups and having a molecular weight from 72 to 2000; wherein the first polymer encapsulates the quantum dots; wherein a readily polymerizable vinyl group is part of a (meth)acrylate ester group or is attached directly to an aromatic ring.
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公开(公告)号：US20190085112A1
公开(公告)日：2019-03-21
申请号：US16078878
申请日：2017-05-12
发明人： Zhifeng Bai , Jake Joo , James C. Taylor , Liang Chen , Valerity V. Ginzburg , Jessica Ye Huang , Christopher J. Tucker
IPC分类号： C08F287/00 , C08F292/00
摘要： A polymer resin comprising: (a) quantum dots, (b) a compound of formula (I) (I) wherein R1 is hydrogen or methyl and R2 is a C6-C20 aliphatic polycyclic substituent, and (c) a block or graft copolymer having Mn from 50,000 to 400,000 and comprising from 10 to 100 wt % polymerized units of styrene and from 0 to 90 wt % of a non-styrene block; wherein the non-styrene block has a van Krevelen solubility parameter from 15.0 to 17.5 (J/cm3)1/2.
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公开(公告)号：US20180066126A1
公开(公告)日：2018-03-08
申请号：US15561202
申请日：2015-03-30
发明人： Minbiao Hu , Peng Gao , Chao Zhang , Daniel L. Dermody , Yang Liu , Tong Sun , Xiang Geng , Peter Trefonas, III , Michael E. Hus , Liang Chen , Zhuo Wang
CPC分类号： C08K9/06 , C08G77/80 , C08K3/22 , C08K3/2279 , C08K9/02 , C08K9/08 , C08K2003/0806 , C08K2003/2231 , C08L1/28 , C09D101/28 , G06F3/0414 , G06F3/045 , G06F2203/04103 , G06F2203/04104
摘要： A transparent pressure sensing film is provided having a matrix polymer; and, a plurality of hybrid particles; wherein the plurality of hybrid particles are disposed in the matrix polymer; wherein each hybrid particle in the plurality of hybrid particles, comprises a plurality of primary particles bonded together with an inorganic binder; wherein an electrical resistivity of the transparent pressure sensing film is variable in response to an applied pressure having a z-component directed along the thickness of the transparent pressure sensing film such that the electrical resistivity is reduced in response to the z-component of the applied pressure.
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公开(公告)号：US20180052547A1
公开(公告)日：2018-02-22
申请号：US15561240
申请日：2015-03-30
发明人： Minbiao Hu , Peng Gao , Chao Zhang , Daniel L. Dermody , Tong Sun , Yang Liu , Xiang Geng , Peter Trefonas, III , Michael E. Hus , Liang Chen , Zhuo Wang
IPC分类号： G06F3/045 , C09D101/28 , C09D183/04 , G06F3/041
CPC分类号： G06F3/045 , C08G77/80 , C08K9/08 , C08K2003/0806 , C08K2003/2231 , C08L1/28 , C09D101/28 , C09D183/04 , G06F3/0412 , G06F2203/04103 , G06F2203/04105
摘要： A composite transparent pressure sensing film is provided having a matrix polymer wherein the matrix polymer is a combination of 25 to 75 wt % of an alkyl cellulose and 75 to 25 wt % of a polysiloxane; and, a plurality of hybrid particles, wherein each hybrid particle in the plurality of hybrid particles, comprises a plurality of primary particles bonded together with an inorganic binder; wherein the plurality of hybrid particles are disposed in the matrix polymer; wherein an electrical resistivity of the composite transparent pressure sensing film is variable in response to an applied pressure having a z-component directed along the thickness of the composite transparent pressure sensing film such that the electrical resistivity is reduced in response to the z-component of the applied pressure.
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公开(公告)号：US10472563B2
公开(公告)日：2019-11-12
申请号：US15880879
申请日：2018-01-26
发明人： Liang Chen , Leslie E. O'Leary , Zhifeng Bai , Yuming Lai , Jake Joo
IPC分类号： C07C27/26 , C07C67/48 , C09K11/02 , C09K11/54 , C09K11/62 , C09K11/70 , B01D15/08 , C08F220/16 , C09D5/22 , C09D5/24 , C09D133/06 , C09K11/88 , C08F220/18 , B82Y20/00 , B82Y40/00 , C08K3/30 , C08K3/32 , C08K9/02 , B82Y30/00
摘要： The present invention provides methods for making polymerizable monomer compositions comprising purifying a (b) monomer mixture of (i) one or more monomers having at least two polymerizable vinyl groups and (ii) one or more monomers having a single polymerizable vinyl group as part of a (meth)acrylate ester group by any one or more of treating the monomer mixture in an activated porous alumina or silica column, sieve drying the monomer mixture in a vacuum followed by drying over dried molecular sieves having average pore sizes of from 2 to 20 Angstroms, freeze-pump-thaw (FPT) treating by freezing the monomer mixture in a vessel or container to a temperature below −75° C., degassing the monomer mixture by application of vacuum in the range of 102 to 10−2 Pa, sealing the vessel or container under vacuum, and thawing the composition to room temperature; and, combining in an inert gas atmosphere the resulting monomer mixture (b) with a composition (a) of quantum dots in dry form or organic solvent solution.
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公开(公告)号：US10982134B2
公开(公告)日：2021-04-20
申请号：US16070300
申请日：2017-02-20
发明人： Jessica Ye Huang , Zhifeng Bai , Liang Chen , Jake Joo , Ing-Feng Hu , James C. Taylor
IPC分类号： C09K11/02 , C08F222/10 , C09D133/12 , C09K11/08 , C08K3/013
摘要： A polymer composite comprising quantum dots; said polymer composite comprising: (a) quantum dots; (b) polymerized units of a first compound having at least one readily polymerizable vinyl group, a molecular weight from 300 to 20,000 and at least one continuous acyclic hydrocarbyl chain of at least five carbon atoms; and (c) polymerized units of a second compound having at least one readily polymerizable vinyl group and a molecular weight from 100 to 750; wherein a readily polymerizable vinyl group is part of a (meth)acrylate ester group or is attached directly to an aromatic ring, and the molecular weight of the first compound minus the molecular weight of the second compound is at least 100.
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公开(公告)号：US20180230377A1
公开(公告)日：2018-08-16
申请号：US15880879
申请日：2018-01-26
发明人： Liang Chen , Leslie E. O'Leary , Zhifeng Bai , Yuming Lai , Jake Joo
IPC分类号： C09K11/02 , C09K11/88 , C09K11/70 , C08F220/16 , C09D5/22 , C09D5/24 , C09D133/06 , B01D15/08
摘要： The present invention provides methods for making polymerizable monomer compositions comprising purifying a (b) monomer mixture of (i) one or more monomers having at least two polymerizable vinyl groups and (ii) one or more monomers having a single polymerizable vinyl group as part of a (meth)acrylate ester group by any one or more of treating the monomer mixture in an activated porous alumina or silica column, sieve drying the monomer mixture in a vacuum followed by drying over dried molecular sieves having average pore sizes of from 2 to 20 Angstroms, freeze-pump-thaw (FPT) treating by freezing the monomer mixture in a vessel or container to a temperature below −75° C., degassing the monomer mixture by application of vacuum in the range of 102 to 10−2 Pa, sealing the vessel or container under vacuum, and thawing the composition to room temperature; and, combining in an inert gas atmosphere the resulting monomer mixture (b) with a composition (a) of quantum dots in dry form or organic solvent solution.
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