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公开(公告)号：US20170158902A1
公开(公告)日：2017-06-08
申请号：US15366100
申请日：2016-12-01
发明人： Brian R. Einsla , Valeriy V. Ginzburg , Lanfang Li , John A. Roper, III , Rebecca Smith , Jian Yang
IPC分类号： C09D125/14 , D21H19/58 , C09D7/12
CPC分类号： C09D125/14 , B41M5/44 , B41M2205/04 , B41M2205/38 , C08L2207/53 , C09D7/65 , C09D7/68 , C09D7/69 , C09D7/70 , D21H15/10 , D21H19/58 , G03C1/79
摘要： The present invention relates to a coating composition comprising an aqueous dispersion of a binder and first and second core-shell polymer particles having aqueous neutralized acid cores, wherein the first core-shell polymer particles have a diameter in the range of from 1.0 μm to 1.8 μm; the second core-shell polymer particles have a diameter in the range of from 0.25 μm to 1.0 μm; the number ratio of the second to the first core-shell polymer particles is in the range of from 1:1 to 20:1; the diameter of the second core-shell polymer particles is in the range of from 15 to 65% of the diameter of the first core-shell polymer particles; the dry bulk density of the first core-shell polymer particles is in the range of 0.25 to 0.5 g/mL; and the dry bulk density of the second core-shell polymer particles is in the range of 0.30 to 0.90 g/mL. The composition of the present invention is useful as an undercoat layer for a thermosensitive recording material.
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公开(公告)号：US20170158887A1
公开(公告)日：2017-06-08
申请号：US15366102
申请日：2016-12-01
发明人： Brian R. Einsla , Valeriy V. Ginzburg , Lanfang Li , John A. Roper, III , Rebecca Smith , Jian Yang
IPC分类号： C09D7/12 , C09D125/14
CPC分类号： C09D7/70 , B41M5/44 , B41M2205/04 , B41M2205/38 , C09D7/68 , C09D7/69 , C09D125/14
摘要： The present invention relates to a thermosensitive recording material comprising paper, an undercoat layer disposed on the paper, and a thermosensitive recording layer disposed on the undercoat layer, wherein the undercoat layer comprises a binder and first and second hollow sphere polymer particles, wherein the first hollow sphere polymer particles have a diameter in the range of from 1.2 μm to 1.8 μm; the second hollow sphere polymer particles have a diameter in the range of from 0.25 μm to 1.0 μm; the number ratio of the second to the first hollow sphere polymer particles is in the range of from 1:1 to 20:1; the diameter of the second hollow sphere polymer particles is in the range of from 15 to 65% of the diameter of the first hollow sphere polymer particles; the dry bulk density of the first hollow sphere polymer particles is in the range of 0.25 to 0.5 g/mL; and the dry bulk density of the second hollow sphere polymer particles is in the range of 0.30 to 0.90 g/mL.
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公开(公告)号：US09932487B2
公开(公告)日：2018-04-03
申请号：US15366102
申请日：2016-12-01
发明人： Brian R. Einsla , Valeriy V. Ginzburg , Lanfang Li , John A. Roper, III , Rebecca Smith , Jian Yang
IPC分类号： B41M5/44 , C09D7/12 , C09D125/14
CPC分类号： C09D7/70 , B41M5/44 , B41M2205/04 , B41M2205/38 , C09D7/68 , C09D7/69 , C09D125/14
摘要： The present invention relates to a thermosensitive recording material comprising paper, an undercoat layer disposed on the paper, and a thermosensitive recording layer disposed on the undercoat layer, wherein the undercoat layer comprises a binder and first and second hollow sphere polymer particles, wherein the first hollow sphere polymer particles have a diameter in the range of from 1.2 μm to 1.8 μm; the second hollow sphere polymer particles have a diameter in the range of from 0.25 μm to 1.0 μm; the number ratio of the second to the first hollow sphere polymer particles is in the range of from 1:1 to 20:1; the diameter of the second hollow sphere polymer particles is in the range of from 15 to 65% of the diameter of the first hollow sphere polymer particles; the dry bulk density of the first hollow sphere polymer particles is in the range of 0.25 to 0.5 g/mL; and the dry bulk density of the second hollow sphere polymer particles is in the range of 0.30 to 0.90 g/mL.
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公开(公告)号：US10184062B2
公开(公告)日：2019-01-22
申请号：US15366100
申请日：2016-12-01
发明人： Brian R. Einsla , Valeriy V. Ginzburg , Lanfang Li , John A. Roper, III , Rebecca Smith , Jian Yang
IPC分类号： C09B67/00 , C08G61/04 , C09D125/14 , D21H19/58 , D21H15/10 , G03C1/79 , C09D7/65 , C09D7/40 , B41M5/44
摘要： The present invention relates to a coating composition comprising an aqueous dispersion of a binder and first and second core-shell polymer particles having aqueous neutralized acid cores, wherein the dry bulk density of the first core-shell polymer particles is in the range of 0.25 to 0.5 g/mL; and the dry bulk density of the second core-shell polymer particles is in the range of 0.30 to 0.90 g/mL. The composition of the present invention is useful as an undercoat layer for a thermosensitive recording material.
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