US 12,064,730 B2
Polymeric substrates with attached polymeric chains
Jerald K. Rasmussen, Woodville, WI (US); Stephen B. Roscoe, Woodbury, MN (US); Babu N. Gaddam, Woodbury, MN (US); George W. Griesgraber, Eagan, MN (US); Daniel J. O'Neal, St. Paul, MN (US); and Eli P. Narveson, St. Louis Park, MN (US)
Assigned to Solventum Intellectual Properties Company, Maplewood, MN (US)
Appl. No. 15/733,205
Filed by Solventum Intellectual Properties Company, Maplewood, MN (US)
PCT Filed Dec. 14, 2018, PCT No. PCT/IB2018/060120
§ 371(c)(1), (2) Date Jun. 10, 2020,
PCT Pub. No. WO2019/123177, PCT Pub. Date Jun. 27, 2019.
Claims priority of provisional application 62/608,184, filed on Dec. 20, 2017.
Prior Publication US 2020/0368694 A1, Nov. 26, 2020
Int. Cl. B01D 67/00 (2006.01); B01D 69/02 (2006.01); B01D 69/10 (2006.01); C08J 7/18 (2006.01); C12M 1/00 (2006.01); G01N 33/543 (2006.01); G01N 33/545 (2006.01)
CPC B01D 67/0006 (2013.01) [B01D 67/00931 (2022.08); B01D 69/02 (2013.01); B01D 69/105 (2013.01); B01D 69/1071 (2022.08); C08J 7/18 (2013.01); C12M 29/04 (2013.01); G01N 33/54393 (2013.01); G01N 33/545 (2013.01); B01D 2323/38 (2013.01); C08J 2377/02 (2013.01)] 12 Claims
 
1. An article comprising a plurality of polymeric chains grafted to a solid polymeric substrate, the article being a reaction product of a reaction composition after exposure to actinic radiation, the reaction composition comprising:
a) the solid polymeric substrate having a plurality of thiocarbonylthio-containing groups, wherein each thiocarbonylthio-containing group is covalently bonded directly to a carbon atom in a polymeric backbone of the solid polymeric substrate; and
b) a radically polymerizable monomer composition comprising a first monomer, the first monomer having (a) at least one ethylenically unsaturated group, (b) at least one ligand functional group that is an acidic group, basic group, or salt thereof, and (c) a spacer group that directly links the at least one ethylenically unsaturated group and the at least one ligand functional group by a chain having at least six catenated atoms; and
wherein the reaction product after exposure to actinic radiation comprises a plurality of grafted polymeric chains comprising monomeric units derived from the first monomer, each polymeric chain being covalently attached directly to a carbon atom in the polymeric backbone of the solid polymeric substrate and wherein at least some of the grafted polymeric chains are terminated by a thiol or by a thiocarbonylthio-containing group covalently attached to a terminal carbon atom of a terminal monomeric unit in the polymeric chain.