Covestro LLC

Bayer Materialscience, LLC

Allnex IP S.a.r.l.

Kurt E Best

Edward P Squiller

John P Forsythe

David D Steppan

Angela M Beck

Timothy J Pike

Michael K Jeffries

Ahren Olson

Jessee McCanna

Robert A Wade

Joseph Kleer

Daniel P Wang

Alan Ekin

Myron W Shaffer

Ramesh Subramanian

Terrell Dean Wayt

Charles A Gambino

Michael Dvorchak

Christine Mebane

Kathy Allen

Jeanette Eastman

Timothy Bish

Carl Angeloff

Jeanette J Eastman

Kathy J Allen

Christine M Mebane

Michael K Dvorchak

A polyisocyanate resin can include from 25 wt % to 50 wt % of a first cycloaliphatic polyisocyanate and from 50 wt % to 75 wt % of a flexibilizing component based on a total weight of the polyisocyanate resin. The flexibilizing component can include a linear aliphatic polyisocyanate having a number average isocyanate functionality of from 2 to 3 based on gel permeation chromatography and an isocyanate-terminated reaction product of a second cycloaliphatic polyisocyanate and an isocyanate-reactive material, the reaction product having a Tg of less than −30° C. based on a Differential Scanning calorimetry (2Heating) temperature scan from −100° ° C. to 150° C. using 20° C./min heating and cooling ramps. The isocyanate-terminated reaction product and the linear aliphatic polyisocyanate can be present at a weight ratio of from 0.5 to 2.5.

Polyisocyanate resins

A polyisocyanate resin can include from 25 wt % to 50 wt % of a first cycloaliphatic polyisocyanate and from 50 wt % to 75 wt % of a flexibilizing component based on a total weight of the polyisocyanate resin. The first cycloaliphatic polyisocyanate can have an NCO % of from 12 wt % to 20 wt % based on ISO 11909:2007. The flexibilizing component can include a linear aliphatic polyisocyanate having a number average isocyanate functionality of from 2 to 3 based on gel permeation chromatography and an isocyanate-terminated reaction product of a second cycloaliphatic polyisocyanate and an isocyanate-reactive material, the reaction product having a Tg of less than &#x2212;30&#xb0; C. based on a Differential Scanning Calorimetry (2Heating) temperature scan from &#x2212;100&#xb0; C. to 150&#xb0; C. using 20&#xb0; C./min heating and cooling ramps. The isocyanate-terminated reaction product and the linear aliphatic polyisocyanate can be present at a weight ratio of from 0.5 to 2.5.

Disclosed are processes for In-Mold coating of a substrate. The processes include: introducing a curable composition to a mixhead at a first elevated pressure, the curable composition comprising a first polymeric component and a second polymeric component, the introducing of the curable composition to the mixhead comprising mixing the first and second polymeric components by impingement to form an intermediate composition; introducing the intermediate composition to a secondary mixer, the introducing of the intermediate composition to the secondary mixer comprising mixing the intermediate composition to form a coating composition; and introducing the coating composition into a mold containing a substrate to form a curable coating on a surface of the substrate.

Processes for In-Mold coating systems for molding, and products formed therefrom

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Disclosed are processes for in-mold coating of a plastic substrate. The processes include: (a) molding a plastic substrate in a first mold cavity of a mold comprising at least two cavities to form a molded plastic substrate; (b) introducing the molded plastic substrate into a second mold cavity of the mold; (c) introducing a coating composition into the second mold cavity containing the molded plastic substrate in order to coat the substrate, the coating composition comprising: (i) a polymer comprising isocyanate-reactive groups; and (ii) a polyisocyanate; (d) curing the composition in the second mold cavity; and (e) opening the mold cavity.

Processes for in-mold coating using a multi-cavity mold and substrates coated thereby

Two-component coating systems and compositions are disclosed. The coating compositions form crosslinked polyurea coatings and have relatively long pot life and relatively short dry time. The coating compositions include a polyisocyanate, a polyaspartic ester, and a polyetheraspartic ester.

Polyaspartic coating compositions

A process of directly coating a metal substrate and curing the coating using radiation sources such as UV radiation having a wavelength of 200 nm and above. Furthermore, compositions of the invention can be used as a tie-coat for coatings that do not bond well directly to various metal substrates.

Direct-to-metal radiation curable compositions

The present disclosure is directed to an aliphatic isocyanate-based moisture-curable resin. The disclosed resin may include an aliphatic isocyanate functional material and an cycloaliphatic isocyanate functional material. The resin may be used to formulate a coating composition that may exhibit no substantial sag when applied at a wet film thickness of at least 6 mils, and no substantial blistering when cured to a dry film thickness of at least 6 mils.

Aliphatic moisture-curable resins, coating compositions, and related processes

A polyaziridine introduced into a two-component waterborne polyurethane dispersion coating system increases the cure rate of a coating composition formed from the coating system.

Two-component waterborne polyurethane coatings

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Sewickley, PA, United States of America

Kurt E Best