Methanesulfonic acid mediated solvent free synthesis of conjugated porous polymer networks

Patent metadata

Field	Value
Publication number	US-10584201-B2
Application number	US-201815863095-A
Country	US
Kind code	B2
Filing date	Jan 5, 2018
Priority date	Jan 10, 2017
Publication date	Mar 10, 2020
Grant date	Mar 10, 2020

Abstract

The present disclosure relates to synthesis of porous polymer networks and applications of such materials. The present disclosure relates to a method of fabricating of a porous polymer network comprising: (a) providing: (i) a first reactant comprising a plurality of compounds comprising at least one acetyl group, said plurality of compounds comprising at least one compound type, and (ii) a second reactant comprising an alkylsulfonic acid, and (b) creating a solution of said reactants, (c) casting said solution in a form, and (d) treating said solution under such conditions so as to produce a porous polymer network. In one embodiment, the invention relates to a porous polymer network which has a basic structure selected from the group consisting of

First claim

We claim:

1. A method for the preparation of a porous polymer network comprising:
(a) providing:

(i) a plurality of compounds comprising at least one acetyl group, said plurality of compounds comprising at least one compound type selected from the group consisting of:

acetophenone, and (ii) an alkylsulfonic acid, and
(b) treating said compounds so that a reaction occurs to produce the porous polymer network.

2. The method of claim 1 , wherein said alkylsulfonic acid is methanesulfonic acid.

3. The method of claim 1 , wherein said method is lacking a toxic acid.

4. The method of claim 1 , wherein said reaction occurs in open air conditions.

5. The method of claim 1 , wherein said method further provides additional elements selected from the group consisting of: carbon nanotubes, metal nanowires, dendritic metal micro/nano-particles, carbon nanofibers, redox active metaloxide nanoparticles, graphene, graphene oxide, and reduced graphene oxide, which become embedded within the porous polymer network after the reaction.

6. The method of claim 1 , wherein said method includes more than one compound type.

7. The method of claim 1 , wherein said method includes only one compound type comprising at least one acetyl group.

8. The method of claim 1 , wherein said reaction comprises an aldol triple condensation.

9. The method of claim 1 , wherein said compound comprising at least one acetyl group and said acid are in a homogenous solution at or before step b).

10. The method of claim 1 , wherein said compounds and acid are reacted in a temperature range between 40-110° C.

11. The method of claim 1 , wherein said method further comprises step (c) wherein said acid is neutralized by aqueous base.

12. The method of claim 11 , wherein said method further comprises step (d) wherein said porous polymer network is extracted with an organic solvent.

13. The method of claim 12 , wherein said method further comprises step (e) wherein said porous polymer network is purified by flash column chromatography.

Assignees

• Texas A & M Univ Sys

Inventors

• Fang Lei
• Guo zi-hao
• Wang Chenxu
• Zhang Qiang
• Zhou Hong-Cai

Classifications

• C08G2261/40

  Polymerisation processes · CPC title

• B01J20/205

  Carbon nanostructures, e.g. nanotubes, nanohorns, nanocones, nanoballs (carbon nanotubes per se C01B32/15) · CPC title

• B01J20/262

  obtained otherwise than by reactions only involving carbon to carbon unsaturated bonds, e.g. obtained by polycondensation (macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds per se C08G) · CPC title

• B01J20/3071

  Washing or leaching · CPC title

• C08G2261/12

  Copolymers · CPC title