Gregory D. Clark - St. Paul MN, US Patrick J. Hager - Woodbury MN, US Jay S. Schlechte - Oakdale MN, US John C. Clark - White Bear Lake MN, US
International Classification:
C08G 18/28
US Classification:
10628711, 10628728, 528 70
Abstract:
Fluorochemical urethane compounds and coating compositions derived therefrom are described. The compounds and composition may be used in treating substrates, in particular substrates having a hard surfaces such as ceramics or glass, to render them hydrophilic, oleophobic and easy to clean.
Fluorochemical Urethane Compounds And Aqueous Compositions Thereof
Gregory D. Clark - St. Paul MN, US Patrick J. Hager - Woodbury MN, US Jay S. Schlechte - Oakdale MN, US John C. Clark - White Bear Lake MN, US
International Classification:
C08G 77/26 C08G 77/04
US Classification:
528 28
Abstract:
Fluorochemical urethane compounds and coating compositions derived therefrom are described. The compounds and composition may be used in treating substrates, in particular substrates having a hard surfaces such as ceramics or glass, to render them hydrophilic, oleophobic and easy to clean.
Patrick J. Hager - Woodbury MN, US Jay S. Schlechte - Oakdale MN, US Elaine M. Yorkgitis - St. Paul MN, US Naiyong Jing - Woodbury MN, US
International Classification:
B32B 5/16 B05D 3/02 C08K 3/36
US Classification:
428331, 427384, 524493, 977773
Abstract:
A coating composition is provided comprising a) an aqueous dispersion, having a pH of less than 7.5, of silica nanoparticles having average particle diameters of 40 nanometers or less, b) an alkoxysilane oligomer; c) a silane coupling agent, and d) optionally a metal β-diketone complexing agent. The compositions may be used to prepare coated articles wherein the coating is substantially uniform in thickness, durably adheres to the substrate, and provides hydrophilic and/or antireflection surface properties to the substrate.
Jay S. Schlechte - Oakdale MN, US Elaine M. Yorkgitis - St. Paul MN, US Naiyong Jing - Woodbury MN, US
Assignee:
3M INNOVATIVE PROPERTIES COMPANY - ST. PAUL MN
International Classification:
C09D 183/06 C08K 3/36
US Classification:
428331, 524588, 427387, 427354, 977773
Abstract:
A coating composition is provided comprising a) an aqueous dispersion, having a pH of less than 7.5, of silica nanoparticles having average particle diameters of 40 nanometers or less, b) an alkoxysilane oligomer; c) a silane coupling agent, and d) optionally a metal β-diketone complexing agent. The compositions may be used to prepare coated articles wherein the coating is substantially uniform in thickness, durably adheres to the substrate, and provides hydrophilic and/or antireflection surface properties to the substrate.
Adhesion Promoters For Structural Adhesive Applications
- St. Paul MN, US Jay S. Schlechte - Oakdale MN, US
International Classification:
C08G 59/50 C09J 163/00 C08K 5/372 C08G 59/62
Abstract:
An adhesion promoter, a curable composition containing the adhesion promoter, a cured composition formed from the curable composition, and an article containing the cured composition are provided. The adhesion promoter, which is formed by reacting a polyepoxide with a mercaptosilane that has a hydrolyzable silyl group, has at least one epoxide group and at least one hydrolyzable silyl group. The epoxide groups allow incorporation of the adhesion promoter into the polymeric matrix of the cured composition and the hydrolyzable silyl groups allow bond formation with various substrates.
Provided is a curative part usable in a two-part curable composition. The curative part includes a liquid amine; a heterogeneous dispersant; and core-shell rubber particles having an elastomeric core and a (meth)acrylic shell. The core-shell rubber particles and the heterogeneous dispersant can be collectively shear-dispersed in the liquid amine such that the core-shell rubber particles are substantially non-aggregated and the curative part is phase-stable over a period of at least 3 months at ambient temperature. Advantageously, large amounts of core-shell rubber particles can thus be incorporated into a cured resin matrix, which can afford significantly enhanced impact performance.
Polymeric Material Including A Uretdione-Containing Material And An Epoxy Component, Two-Part Compositions, And Methods
- St. Paul MN, US Joseph D. Rule - Woodbury MN, US Matthew J. Kryger - Hudson WI, US Michael A. Kropp - Cottage Grove MN, US Jay S. Schlechte - Oakdale MN, US Zachary J. Thompson - Woodbury MN, US
The present disclosure provides a polymeric material including a polymerized reaction product of a polymerizable composition including components and has a solids content of 90% or greater. The components include a uretdione-containing material including a reaction product of a diisocyanate reacted with itself; a first hydroxyl-containing compound; an optional second hydroxyl-containing compound having a single OH group, wherein; and an epoxy component. The epoxy component is present in an amount of 35% by weight or greater, based on the total weight of the polymerizable composition. The first hydroxyl-containing compound has more than one OH group and the optional second hydroxyl-containing compound is a primary alcohol or a secondary alcohol. The present disclosure also provides a two-part composition, in which the polymeric material is included in the first part and the second includes at least one amine. Further, a method of adhering two substrates is provided, including obtaining a two-part composition; combining at least a portion of the first part with at least a portion of the second part to form a mixture; disposing at least a portion of the mixture on a first substrate; and contacting a second substrate with the mixture disposed on the first substrate. The disclosure also provides a polymeric material and a method of making a two-part composition. Advantageously, two-part compositions can be used as coatings and adhesive systems with handling and performance similar to existing two-part urethane systems, but with less sensitivity to water, or with performance similar to toughened epoxy systems.
Adhesion promoters, Curable compositions containing the adhesion promoters, cured compositions that are formed from the curable compositions, and articles containing the cured compositions are provided. The adhesion promoter has at least one epoxide group and a plurality of hydrolyzable silyl groups. The curable compositions include an adhesion promoter, an epoxy resin, and a curing agent for the epoxy resin that has at least two amino groups that are primary and/or secondary amino groups.
3M since Nov 2005
Product Development
Kansas Polymer Research Center 2003 - 2005
Research Associate
3M Jun 1995 - Sep 1995
Summer Intern
Education:
University of Minnesota-Twin Cities 2003
Ph.D., Organic Chemistry
Rose-Hulman Institute of Technology 1991 - 1995
B.S., Chemistry
The University of Manchester 1993 - 1994
United World College - USA 1989 - 1991
IB, Chemistry, Math, Physics
Skills:
Minitab Product Development
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