公开(公告)号：US20220064366A1

公开(公告)日：2022-03-03

申请号：US17471337

申请日：2021-09-10

Applicant: BOARD OF TRUSTEES OF MICHIGAN STATE UNIVERSITY

Inventor： Muhammad Rabnawaz ,  Fahad Khan ,  Nazim Uddin

IPC: C08G18/78 ,  C08G18/20 ,  C08G18/24 ,  C08G18/32 ,  C08G18/40 ,  C08G18/48 ,  C08G18/61 ,  C08G18/62 ,  C08G18/65 ,  C08G18/71 ,  C08G18/73 ,  C08G18/75 ,  C08G18/76 ,  C08G18/77 ,  C08G18/79 ,  C09D175/04

Abstract: The disclosure relates to a thermoset omniphobic composition, which includes a thermoset polymer with first, second, and third backbone segments, urethane groups linking the first and third backbone segments, and urea groups linking the first and second backbone segments. The first, second, and third backbone segments generally correspond to urethane or urea reaction products of polyisocyanate(s), amine-functional hydrophobic polymer(s), and polyol(s), respectively. The thermoset omniphobic composition has favorable omniphobic properties, for example as characterized by water and/or oil contact and/or sliding angles. The thermoset omniphobic composition can be used as a coating on any of a variety of substrates to provide omniphobic properties to a surface of the substrate. Such omniphobic coatings can be scratch resistant, ink/paint resistant, dirt-repellent, and optically clear. The thermoset omniphobic composition can be applied by different coating methods including cast, spin, roll, spray and dip coating methods.

公开(公告)号：US11135131B2

公开(公告)日：2021-10-05

申请号：US16569747

申请日：2019-09-13

Applicant: Board of Trustees of Michigan State University

Inventor： Bahar Aliakbarian ,  Muhammad Rabnawaz ,  Susan E. Selke ,  Krystal Cheng ,  Arun Ross ,  Austin Cozzo ,  Anurag Chowdhury ,  Ali Tamayol ,  Carina Russell ,  Prem Chahal

IPC: A61J1/03 ,  B65D25/04 ,  B65D50/00 ,  B65D55/02 ,  G07C9/25

Abstract: A medication bottle includes an outer container wall, an inner container wall and a fluid, such as an aversive liquid, located between the walls. In another aspect, the fluid is located within separate compartments or channels located between the walls where the walls contact or are secured to each other. A further aspect provides a removeable cap including multiple sensors, at least one of which is a biometric sensor.

公开(公告)号：US20210253901A1

公开(公告)日：2021-08-19

申请号：US17269484

申请日：2019-08-21

Applicant: BOARD OF TRUSTEES OF MICHIGAN STATE UNIVERSITY

Inventor： Muhammad Rabnawaz ,  Zhao Li

IPC: C09D183/08 ,  B05D5/08 ,  B05D7/02 ,  B05D7/00 ,  B05D3/02

Abstract: The disclosure relates to omniphobic coatings, related articles including such coatings, and related method for forming such coatings or articles, for example biobased and/or biodegradable omniphobic coatings. The omniphobic coating includes a reaction product between an amino-functional polymer and an amino-reactive functionalized omniphobic polymer having a glass transition temperature (Tg) of 60° C. or less. The omniphobic coating has a weight ratio of amino-functional polymer relative to functionalized omniphobic polymer of at least 1 or 2. A corresponding omniphobic coated article can include the omniphobic coating on a porous substrate such as a cellulosic or paper substrate, for example to provide a water- and oil/fat/grease-resistant coating for a paper-based product. The omniphobic coating can be formed in a reaction medium before being applied to the substrate, or the omniphobic coating can be formed on the substrate with serial application of the amino-reactive functionalized omniphobic polymer and the amino-functional polymer thereon. This disclosure provides a closed loop circular economy approach for fluorine-free, water- and grease-resistant paper as the coating can be easily separated from the pulp/fiber of the paper. The recycled pulp can be used for paper making, while the separated coating in micelle form can be used for recoating.

公开(公告)号：US20210040348A1

公开(公告)日：2021-02-11

申请号：US16486902

申请日：2019-04-09

Applicant: BOARD OF TRUSTEES OF MICHIGAN STATE UNIVERSITY

Inventor： Muhammad Rabnawaz ,  Fahad Khan

IPC: C09D175/04

Abstract: The disclosure relates to methods for forming an omniphobic thermoset composition, such as an omniphobic polyurethane or epoxy composition. First and second thermosetting components are applied to a substrate and partially cured. A functionalized hydrophobic/oleophobic/omniphobic polymer which is reactive with at least the first thermosetting component is then applied to the coated substrate, which is then further cured to form a thermoset omniphobic coating on the substrate. The thermoset omniphobic composition has favorable omniphobic properties, for example as characterized by water and/or oil contact and/or sliding angles. The thermoset omniphobic composition can be used as a coating on any of a variety of substrates to provide omniphobic properties to a surface of the substrate. Such omniphobic coatings can be scratch resistant, ink/paint resistant, and optically clear. The thermoset omniphobic composition can be applied by different coating methods including cast, spin, roll, spray and dip coating methods.