公开(公告)号：US20200002564A1

公开(公告)日：2020-01-02

申请号：US16484518

申请日：2018-02-19

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Naiyong Jing ,  Jun Ma ,  Erika Saffer ,  David M. Mahli ,  Gezahegn D. Damte

IPC: C09D135/02 ,  C09D5/00 ,  C09D133/14 ,  C08F222/10 ,  C08F220/34 ,  B43L1/00

Abstract: Dry erase articles are described comprising a writable surface layer comprising a cured hardcoat composition comprising the reaction product of certain low surface energy compound(s). In one embodiment, the compound(s) comprise a C18-C36 hydrocarbon group and an ethylenically unsaturated group. In another embodiment, a mixture of compounds is utilized, the mixture comprising first compounds comprising a C18-C36 hydrocarbon group and an ethylenically unsaturated group and second compounds comprising a C8-C17 hydrocarbon group and an ethylenically unsaturated group, wherein the first and second compound are present at a weight ratio of 3:2 to 4:1.

公开(公告)号：US10787589B2

公开(公告)日：2020-09-29

申请号：US16484518

申请日：2018-02-19

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Naiyong Jing ,  Jun Ma ,  Erika Saffer ,  David M. Mahli ,  Gezahegn D. Damte

IPC: B43L1/00 ,  C09D135/02 ,  C08F220/34 ,  C08F222/10 ,  C09D5/00 ,  C09D133/14

Abstract: Dry erase articles are described comprising a writable surface layer comprising a cured hardcoat composition comprising the reaction product of certain low surface energy compound(s). In one embodiment, the compound(s) comprise a C18-C36 hydrocarbon group and an ethylenically unsaturated group. In another embodiment, a mixture of compounds is utilized, the mixture comprising first compounds comprising a C18-C36 hydrocarbon group and an ethylenically unsaturated group and second compounds comprising a C8-C17 hydrocarbon group and an ethylenically unsaturated group, wherein the first and second compound are present at a weight ratio of 3:2 to 4:1.