Invista North America S.a.r.l.

Invista Technologies S.a.r.l.

James Michael Lambert

Hong Liu

Sonia Menot

Federica Maria Roberta Stoppa

Young D Nguyen

Robert O Waldbauer, Jr

Douglas K Farmer

Carmen A Covelli

Charles Francis Palmer, Jr

Ronald D Bing-Wo

Achille Mayelle Bivigou Koumba

Charles Frank Iavarone

Jr Robert O Waldbauer

Liu Hong

Embodiments of the disclosure include elastomeric stretch fibers containing an anti-tack agent, methods of preparing the fiber, methods of using this fiber, articles including this fiber, and the like.

Elastic fiber containing an anti-tack additive

An article comprising a yarn comprising an elastomeric propylene-based polymer composition; said polymer composition comprising at least one elastomeric propylene-based polymer, wherein said yarn has a draft greater than 200%; wherein said article is a fabric or a garment.

Fabric including polyolefin elastic fiber

The present invention provides a method for preparing a foam that includes a polyurethaneurea dispersion. These foams have enhanced flexibility and resistance to compressibility compared to convention polyurethane foam. These foams may also be made by a reaction injection molding process. The method includes preparing a shaped polyurethane foam article by: (a) providing a first composition comprising at least one polyol, a chain extender composition and a blowing agent; (b) providing a second composition comprising at least one of a diisocyanate, a capped glycol, and combinations thereof; (c) mixing the first composition and the second composition to form a reaction mixture into a heated mold; and (d) allowing the reaction mixture to form a polyurethane foam; wherein the first composition includes one of: (i) the chain extender composition includes at least one amine compound; (ii) the blowing agent includes a polyurethaneurea aqueous dispersion; and (iii) combinations of (i) and (ii).

Polyurethane foam by reaction injection molding

The invention provides polyurethaneurea compositions comprising poly(tetramethylene-co-ethyleneether) glycol having high number average molecular weight, from about 1900 to about 4000 Dalton. The invention further relates to the use of high number average molecular weight poly(tetramethylene-co-ethyleneether) glycol as the soft segment base material in spandex compositions. The invention also relates to new polyurethane compositions comprising poly(tetramethylene-co-ethyleneether) glycols with such high number average molecular weight, from about 1900 to about 4000 Dalton, and their use in spandex.

Spandex from high molecular weight poly (tetramethylene-co-ethyleneether) glycols

Included are nylon and polyurethane urea compositions such as in the form of powders, beads and flock to be included in extruded and molded articles containing a thermoplastic resin such as nylon 12. The addition of the powders, beads or flock improve flexibility and shape retention of such molded articles, for example in eyewear frames.

Non-textile polymer compositions and methods

Polyurethaneurea compositions in the form of powders and dispersions are provided for enhancing properties of washed fabric including easy care, better iron gliding, improved shape retention, perfume substantiation and stain management properties.

Growing community of inventors

Staunton, VA, United States of America

James Michael Lambert