Water compatible nanogel compositions

Patent metadata

Field	Value
Publication number	US-9845415-B2
Application number	US-201314386873-A
Country	US
Kind code	B2
Filing date	Mar 15, 2013
Priority date	Mar 22, 2012
Publication date	Dec 19, 2017
Grant date	Dec 19, 2017

Abstract

The present invention relates to preparation and use of water dispersible nanogels and solvent dispersible reactive nanogels as additives to enhance polymer properties or as precursors to polymeric networks.

First claim

I claim:

1. A water dispersible nanogel produced by a process comprising:
(i) combining a monomer mixture comprising at least one monovinyl monomer, at least one divinyl monomer, a difunctional chain transfer agent, and an initiator; and (ii) polymerizing said mixture to form the water dispersible nanogel;

wherein said at least one monovinyl monomer comprises polyethoxy (10) ethyl methacrylate (E10 HEMA).

2. The nanogel according to claim 1 , wherein the divinyl monomer is selected from one or more of the group consisting of ethylene glycoldi(meth)acrylate, tetraethyleneglycoldi(meth)acrylate (TTEGDMA), urethane dimethacrylate (UDMA), the condensation product of bisphenol A and glycidyl (meth)acrylate, 2,2′-bis [4-(3-methacryloxy-2-hydroxy propoxy)-phenyl] propane (bis-GMA), ethoxylated bisphenol-A-di(meth)acrylate (BisEMA), hexanediol di(meth)acrylate, polyethyleneglycol dimethacrylate, tripropylene glycol di(meth)acrylate, butanediol di(meth)acrylate, neopentyl glycol di(meth)acrylate, diethylene glycol di(meth)acrylate, triethylene glycol di(meth)acrylate, dipropylene glycol di(meth)acrylate, allyl (meth)acrylate, divinyl benzene, bis(meth)acrylamide, and 1,3-diglycerolatediacrylate.

3. The nanogel according to claim 2 , wherein said divinyl monomer is tetraethyleneglycoldi(meth)acrylate (TTEGDMA), ethoxylated bisphenol-A-di(meth)acrylate (BisEMA), or polyethyleneglycol dimethacrylate.

4. The nanogel according to claim 1 , wherein the polyethoxy (10) ethyl methacrylate (E10 HEMA) is present in from 50 mol % to about 90 mol % compared to the mols of monomer in the monomer mixture.

Assignees

• Univ Colorado Regents

Inventors

• Stansbury Jeffrey W

Classifications

• C08F265/06

  Polymerisation of acrylate or methacrylate esters on to polymers thereof · CPC title

• C08J2205/02

  the finished foam itself being a gel or a gel being temporarily formed when processing the foamable composition · CPC title

• C08J2333/14

  of esters containing halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen · CPC title

• C08F220/20

  of polyhydric alcohols or phenols {, e.g. 2-hydroxyethyl (meth)acrylate or glycerol mono-(meth)acrylate} · CPC title

• C08J9/00

  Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (mechanical aspects of shaping of plastics or substances in a plastic state for the production of porous or cellular articles B29C) · CPC title