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Acid Functional Hyperbranched Polymers for Hot Melt Adhesives, Candle, Coating and Plastics Additive Applications

IP.com Disclosure Number: IPCOM000247584D
Publication Date: 2016-Sep-18
Document File: 7 page(s) / 24K

Publishing Venue

The IP.com Prior Art Database

Related People

William P. Cottom: INVENTOR [+2]

Abstract

A new line of acid functional hyperbranched polymers is disclosed herein. These waxes are produced via controlled polymerization to yield products with acid functionality built into each molecule. These acid functional hyperbranched polymers are available in forms ranging from liquids at ambient conditions to hard solids. The amount of acid functionality can be varied from none up to about 200 mg KOH / gram.

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Acid Functional Hyperbranched Polymers for Hot Melt Adhesives, Candle, Coating and Plastics Additive Applications

A new line of acid functional hyperbranched polymers is disclosed herein.  These waxes are produced via controlled polymerization to yield products with acid functionality built into each molecule. These acid functional hyperbranched polymers are available in forms ranging from liquids at ambient conditions to hard solids.  The amount of acid functionality can be varied from none up to about 200 mg KOH / gram.

The new line of acid functional hyperbranched polymers has the following application benefits:

·         As a component of Hot Melt Adhesives to improve the cold temperature performance of the applied adhesive.  The high degree of branching of the new wax can improve the flexibility of the applied adhesive in cold conditions, such as packaging used for cold storage.  The acid functionality of the new wax can improve compatibility with more polar resins, such as high VA content EVA, and improve adhesive strength of the applied adhesive.  The new wax can be used at levels up to 40% by weight in the final formulation.

In summary, the new acid functional hyperbranched polymers can be used to improve the performance of hot melt adhesives.  Benefits include, but are not limited to better compatibility with polar resins, improved flexibility at low temperatures, and improved low temperature performance of the applied adhesive.

·         As additives to improve the oil binding and fragrance retention of candles.  The new wax can modify the crystal structure of the candle to allow better retention of oil and high fragrance loadings.  The new wax can be used at levels up to 5% by weight in the candle.

·         As additives to improve the opacity of candles.  The high melting versions of new wax can modify the crystal structure to improve opacity, which can yield a better appearance for customers.  The new wax can be used at levels up to 5% by weight in the candle.

·         As additives to improve the mottling of candles.  The low melting versions of new wax can modify the crystal structure to improve mottling consistency, which can yield a better appearance for customers.  The new wax can be used at levels up to 5% by weight in the candle.

·         As additives to improve the appearance of candles.  The new wax can minimize surface flaws, bubbles, and cracks.  The new wax can be used at levels up to 5% by weight in the candle.

·         As additives to improve processing of candles.  The new wax can improve consistency within a processing run through better, more consistent dispersion of dyes and pigments and improve processing speed through faster cooling.  The new wax can be used at levels up to 5% by weight in the candle.

·         As additives to improve compatibility of fragrances with polar components.  The new wax can improve miscibility and stability of fragrances with polar components increasing the latitude of blending options.  The stability improvement...