公开(公告)号：US20240417930A1

公开(公告)日：2024-12-19

申请号：US18713463

申请日：2022-12-06

Applicant: Rohm and Haas Company

Inventor： Brian R. Einsla ,  Andrew Hejl ,  Ethan C. Glor ,  Junsi Gu

IPC: D21H19/12 ,  B41M5/333 ,  B41M5/41 ,  B41M5/44 ,  D21H19/82

Abstract: The present invention relates to a coated paper article with an intermediate basecoat layer comprising high void fraction porous hollow sphere polymer particles (HSPs). HSPs with very small pore area density and high void fraction result in increased optical density at a given print energy in thermal printing applications.

公开(公告)号：US12241205B2

公开(公告)日：2025-03-04

申请号：US18713463

申请日：2022-12-06

Applicant: Rohm and Haas Company

Inventor： Brian R. Einsla ,  Andrew Hejl ,  Ethan C. Glor ,  Junsi Gu

IPC: D21H19/12 ,  B41M5/333 ,  B41M5/41 ,  B41M5/44 ,  D21H19/82

Abstract: The present invention relates to a coated paper article with an intermediate basecoat layer comprising high void fraction porous hollow sphere polymer particles (HISPs). HSPs with very small pore area density and high void fraction result in increased optical density at a given print energy in thermal printing applications.