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Surface formulations comprising phenols

A technology for formulations and objects, applied in the directions of aldehyde/ketone condensation polymer binders, non-polymer binder additives, organic chemistry, etc., can solve the problem of expensive, limited material shelf life, difficult to prepare containing sensitive catechins Phenolic polymers, etc.

Pending Publication Date: 2021-01-22
ZYMERGEN INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, access to such artificial systems presents synthetic challenges, including difficulties in preparing polymers containing sensitive catechol moieties
For example, unprotected catechols can irreversibly cross-link in air at neutral or alkaline pH, which limits the shelf life of such materials
Additionally, existing polymers are made from expensive starting materials

Method used

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  • Surface formulations comprising phenols
  • Surface formulations comprising phenols
  • Surface formulations comprising phenols

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example

[0093] The coating method of catechol-containing compounds involves partial oxidation of catechols to quinones and subsequent polymerization, cross-linking and deposition on the substrate surface. This method usually consists of dissolved O 2 Induction and charge screening of basic conditions and salts facilitate this approach. Therefore, the study molecule was buffered in 600 mM MgCl pH 6-9 2 Coating deposition in aqueous solution. Each molecule was coated at 1 mg / mL except piceatanol and rosmarinic acid at 0.5 mg / mL. Picetanol was applied at a lower concentration due to its lower solubility in water, and rosmarinic acid was applied at 0.5 mg / mL due to the fact that this molecule forms an uneven thick coating when applied at 1 mg / mL. cloth. 3,4-Dihydroxybenzaldehyde was coated in a 1:1 molar ratio with the strong oxidizing agent ammonium persulfate because this molecule formed a significant coating over 72 hours in the absence of oxidizing agents. Ammonium persulfate mak...

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Abstract

The present disclosure describes surface formulations that form a layer on surfaces and comprise a phenol selected from: (I), (II), (III), (IV) or (V), with detailed descriptions of variables herein.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to U.S. Provisional Application No. 62 / 644,309, filed March 16, 2018, and U.S. Provisional Application No. 62 / 778,857, filed December 12, 2018, the contents of which are incorporated by reference in their entirety way incorporated into this article. [0003] Statement Regarding Rights to Inventions Made Under Federally Sponsored Research and Development [0004] This invention was made with Government support under Contract No. HR0011-15-9-0014 awarded by DARPA. The government has certain rights in this invention. technical field [0005] The present invention relates generally to the field of surface modification using formulations comprising phenols and / or catechols. Background technique [0006] Adhesion proteins of marine fouling organisms such as mussels, hydra, or tube worms have attracted considerable attention due to their excellent adhesive properties, including rapidity,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C69/732C07C39/15C07D217/24
CPCC07C69/732C07D217/20C07D311/30C07C39/21C07C47/565C07C39/245C07C59/48C07C65/03C07C69/84C07C69/738C09D5/002C09D7/63C08K5/053C07C39/15C07D217/24C08G8/04C09D161/12C09J11/06C09J161/12
Inventor J·麦克纳马拉N·G·里卡皮托A·A·阿尔巴朗J·C·里特C·科赫
Owner ZYMERGEN INC