公开(公告)号：US20210147648A1

公开(公告)日：2021-05-20

申请号：US17254483

申请日：2019-08-14

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Richard J. Pokorny ,  Joan M. Noyola ,  Zachary J. Malmberg ,  Thomas P. Klun ,  Moses M. David ,  Jun Ma ,  Cordell M. Hardy ,  Chad M. Amb

IPC: C08J7/04 ,  C08J7/046 ,  C08J7/06 ,  B32B27/08 ,  B32B27/30 ,  B32B27/40 ,  B32B27/32

Abstract: Articles and intermediates are described comprising an organic polymeric base member and a hardcoat layer disposed on the organic polymeric base member, wherein the hardcoat layer can be stretched 25-75% without cracking. A siliceous layer is disposed on the hardcoat layer. The siliceous layer has a porosity of no greater than 10% and a thickness no greater than 1 micron. In some embodiments, the article further comprises a surface layer comprising a zwitterionic compound bonded to the siliceous layer.

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.

公开(公告)号：US20180215959A1

公开(公告)日：2018-08-02

申请号：US15748219

申请日：2016-08-11

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Richard Y. Liu ,  Victor Ho ,  Jun Ma

IPC: C09J7/38 ,  C09J167/07 ,  C09J167/02 ,  C08K5/00 ,  G01N25/48

Abstract: A polyester including at least one crosslinkable moiety is described. Each crosslinkable moiety includes at least one crosslinkable pendent group. A ratio of a total number of the at least one crosslinkable pendent groups to a total number of ester groups in the polyester may be in a range of 0.0001 to 0.5.