3m Innovative Properties Company

Ppg Industries Ohio, Inc.

Matthew J Kryger

Michael A Kropp

Federico Menta

Joseph D Rule

Charles R Hickenboth

Nina Vassileva Bojkova

Ying Lin

Marvin Jerome Graham

Kolby L White

Hassan Sahouani

Cynthia Kutchko

Li Yao

Richard John Pokorny

Mario Alberto Perez

Sheng Ye

Bradley Dene Craig

Eric G Larson

Kim Marie Vogel

Steven R Zawacky

Dong-Wei Zhu

Richard B Ross

Timothy D Dunbar

Eumi Pyun

Mary M Caruso Dailey

Zachary J Thompson

Adrian T Jung

Shijing Cheng

Jing Fang

Jonathan W Kemling

Luke E Heinzen

Binhong Lin

Kalc C Vang

David Lewis Lusher, Ii

Keith M Cross

David L Lusher

Nina V Bojkova

The present disclosure provides a two-part composition polymeric material including a first part and a second part. The first part includes an inorganic filler and a polymeric material including a polymerized reaction product of a polymerizable composition including components. The components include a uretdione-containing material including a reaction product of a diisocyanate reacted with itself; a first hydroxyl-containing compound; and an optional second hydroxyl-containing compound having a single OH group. The second part includes a polythiol having an average sulfhydryl group functionality of 2 or greater. 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 polymerized product of the two-part composition and a battery module. Advantageously, two-part compositions can be used as coatings and adhesive systems including high loadings of inorganic filler, such as thermally conductive filler, with handling and performance similar to existing two-part urethane systems, but with less sensitivity to water.

Two-part compositions including a uretdione-containing material and inorganic filler, products, and methods

A composition is described comprising a cyclic olefin; a ring opening metathesis polymerization catalyst; and at least 40 wt. % of thermally conductive particles. The thermally conductive particles are selected such that the composition after curing has a thermal conductivity of at least 1W/M*K. In one embodiment, the thermally conductive particle comprises a combination of smaller and larger thermally conductive particles. In another embodiment, the thermally conductive particles comprise boron nitride particles. Also described are (e.g. structural) adhesives, methods of bonding and articles.

Compositions comprising cyclic olefins and thermally conductive filler

The present disclosure provides a polymeric material including a polymerized reaction product of a polymerizable composition including components, and a thermally activatable amine curative, 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; and an optional second hydroxyl-containing compound having a single OH group. 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 a polymeric material is included in the first part and the second part includes at least one liquid 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 curing a two-part composition. Advantageously, two-part compositions according to the present disclosure can be used as coatings and adhesive systems having a two-step cure with handling and performance similar to existing two-part urethane systems, but with less sensitivity to water.

Polymeric material including a uretdione-containing material and a thermally activatable amine, two-part compositions, and methods

Apparatus and method for joining two tubular elements () at a joint using an adhesive that is non-flowable at ambient temperatures but flowable at an elevated temperature. A ring () of uncured, non-flowable adhesive is placed around the male end of a male ()/female () pipe interface. Upon exposure to elevated temperatures, the ring () melts and flows down into the interface, and cures.

Tubular elements with adhesive joint, method of joining tubular elements thereof

A thermally curable adhesive film, a tape, and a method of making the tape, wherein the film includes: a crosslinked (meth)acrylate matrix; and a thermally curable, one-part epoxy/thiol resin composition incorporated within the crosslinked (meth)acrylate matrix; wherein the thermally curable, one-part epoxy/thiol resin composition comprises: an epoxy resin component comprising an epoxy resin having at least two epoxide groups per molecule; a thiol component comprising a polythiol compound having at least two thiol groups; a nitrogen-containing catalyst for the epoxy resin; and an organic acid.

Adhesive film including a (meth)acrylate matrix including a curable epoxy/thiol resin composition, tape, and method

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 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 part 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 according to the present disclosure 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.

Polymeric material including a uretdione-containing material and an epoxy component, two-part compositions, and methods

A curable, one-part epoxy/thiol resin composition comprising: an epoxy resin component comprising an epoxy resin having at least two epoxide groups per molecule; a thiol component comprising a polythiol compound having at least two primary thiol groups; a nitrogen-containing catalyst for the epoxy resin; and a substituted barbituric acid soluble in the one-part epoxy/thiol resin composition.

Epoxy stabilization using substituted barbituric acids

A curable composition that includes a urethane multifunctional (meth)acrylate, an inorganic filler having a primary particle dimension of at least 200 nm, a photoinitiator system that can be activated by electromagnetic radiation in the range of 340-550 nm, a reactive diluent, and a reinforcing silica having a primary particle dimension of 100 nm of less. The sum of the absolute value of the difference in the refractive index of the filler and the refractive index of the composition cured without filler plus the birefringence of the filler is 0.054 or less, i.e. 0.054&#x2265;|n&#x2212;n|+&#x3b4;, where nis the refractive index of the filler, nis the refractive index of the composition cured without filler, and &#x3b4;is the birefringence of the filler.

Light curable compositions

Curable compositions are provided including a curable system that requires a thermally generated amine to cause curing of the system, and a self-assembled particle distributed in the curable system. The curable system contains at least one reactive moiety and the self-assembled particle comprises a reactive amine ionically bound to a chromonic network. A multilayer article is also provided, including a substrate, a chromonic amine layer disposed on the substrate, and a curable layer disposed on the chromonic amine layer. Methods of making a cured composition and of adhering two substrates together are further provided.

Curable compositions including a chromonic network, articles, and methods

A catalyst-containing particle including a core and an acidic coating layer thereon, wherein the core includes a nitrogen-containing catalyst for a thermoset polymeric system, and the acidic coating layer comprises a binder; and a method of making such particles. A curable, one-part epoxy/thiol resin composition that includes: an epoxy/thiol resin mixture including: an epoxy resin component that includes an epoxy resin having at least two epoxide groups per molecule; a thiol component that includes a polythiol compound having at least two primary thiol groups; and catalyst-containing particles dispersed in the epoxy/thiol resin mixture; wherein each particle includes a core and an acidic coating layer thereon, wherein the core includes a nitrogen-containing catalyst for the epoxy resin; and a method of curing such curable composition.

Epoxy stabilization using acid-coated nitrogen containing catalysts, particles, and methods

Provided is a method of preparing a transparent, non-elastomeric optical article including (1) combining to form a reaction mixture free of urethanation catalysts (a) a polyisocyanate component; and (b) an active hydrogen component of polyol and/or polythiol, and at least one compound containing both amine and hydroxyl functional groups; (2) allowing the polyisocyanate component to react with amine functional groups in the active hydrogen component to form an intermediate product including a polyurea prepolymer having hydroxyl functional groups in admixture with the polyol and/or polythiol and, optionally, the compound containing both amine and hydroxyl functional groups; (3) mixing the intermediate product with additional polyisocyanates and optionally a urethanation catalyst to form a second reaction mixture; (4) introducing the second reaction mixture to a mold to form a thermoset polymerizate; and (5) releasing the polymerizate from the mold. Optical films and articles prepared by the method also are provided.

Methods for preparing optical articles and optical articles prepared therefrom

Provided is a transparent, non-elastomeric optical article prepared by (1) combining to form a reaction mixture (a) a polyisocyanate component; and (b) an active hydrogen component including (b1) a first component free of amino groups including at least one first polyol; and (b2) a second component containing (i) a second polyol and/or a polythiol and (ii) a compound containing both amine and hydroxyl functional groups; (2) introducing the reaction mixture to a mold at a temperature and for a time sufficient to form a thermoset polymerizate; and (3) releasing the polymerizate from the mold to yield a transparent, non-elastomeric optical article. Also provided is a method for preparing a transparent optical film. Optical films and articles prepared by the methods also are provided.

Optical articles and methods for preparation of same

The present invention provides a method for preparing a customized polymeric article including: providing two mold half-sections, each half-section having an outer surface and an inner surface; assembling the two mold half-sections to form a mold assembly such that the inner surfaces define a cavity there between; applying one or more magnetic fluids to the inner surface of a mold half-section; inserting a fluid polymeric material into the cavity; controllably applying a magnetic field to the magnetic fluids to form a customized reversible surface in accordance with a predetermined specific surface topography; subjecting the mold assembly to conditions sufficient to effect polymerization or hardening of the fluid polymeric material; and separating the two mold half-sections. Articles prepared by the method also are provided.

Methods for preparing customized polymeric articles

A composition for the preparation of a transparent, non-elastomeric optical article is provided, the composition including: Multi-step and one-pot methods of preparing a cured, non-elastomeric polyurethane-containing optical article are also provided.

Polyurethane urea-containing compositions and optical articles and methods for preparing them

The present invention relates to a polymer composition that includes a polymer having at least one polymer segment represented by the following Formula (I), With reference to Formula (I): M independently for each w is a residue of a monomer; &#x3c6; is a residue of a mechanochromic compound having at least two reactive groups that are each independently bonded to one monomer residue M; w, independently for each z, is an integer of at least 1; and z is an integer of at least 2. The mechanochromic compound is selected from at least one of the following, and 

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Hudson, WI, United States of America

Matthew J Kryger