Patent ID: 11905460
Assignee: LFS CHEMISTRY INCORPORATED
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  E | IPC C

Claim 0:
1. A composition comprising:
a porous particle;
a material in pores of the porous particle; and
a coating bonded to a surface of the porous particle,
wherein the coating comprises a multi-urethane compound capable of reversibly converting between a condensed state and an expanded state upon exposure to a stimuli,
wherein the multi-urethane compound comprises Compound III and/or Compound IV, , where n=1-12;, R1═—CH2—CH2—, —CH2—CH2—NH—CH2—CH2—, —CH2—CH2—NH—CH2—CH2—NH—CH2—CH2—, —CH2—CH2—NH—CH2—CH2—NH—CH2—CH2—NH—CH2—CH2—,, , or, , R2=hydrogen or methyl; and, R4=methyl, ethyl, i-propyl, or t-butyl.