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Film Forming Polymer Technology for use in Personal Care Products

IP.com Disclosure Number: IPCOM000245791D
Publication Date: 2016-Apr-07

Publishing Venue

The IP.com Prior Art Database

Related People

Thomas Charles Castle: INVENTOR [+4]

Related Documents

PCT/GB2016/050449: PATAPP

Abstract

The present disclosure relates to polymers and their use as film formers in cosmetic and personal care compositions, as well as to methods of making the polymers and personal care and cosmetic compositions comprising them. More particularly, the present invention relates to polymers comprising monomeric moieties formed from the polymerisation of itaconic acid salts, and their use in personal care and cosmetic compositions suitable for application to the skin, hair, nails or within the oral cavity.

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Page 01 of 75

Film Forming Polymer Technology for use in Personal Care Products

Film Forming Polymer Technology for use in Personal Care Products

Abstract

The present disclosure relates to polymers and their use as film formers in cosmetic and personal care compositions, as well as to methods of making the polymers and personal care and cosmetic compositions comprising them. More particularly, the present invention relates to polymers comprising monomeric moieties formed from the polymerisation of itaconic acid salts, and their use in personal care and cosmetic compositions suitable for application to the skin, hair, nails or within the oral cavity.

Background

There is an increasing demand for products obtained from raw materials that have been derived from natural or renewable resources. Consumers of many personal care and cosmetic formulations are amongst those most desirous of products that are so derived.

In order to deliver the desired performance that consumers require, modern personal care products are often inherently complex formulations, meaning that it is often not possible to replace all of the ingredients with naturally- or renewably- derived alternatives. Nonetheless, the replacement of at least some of these ingredients with greener options is a possibility. For instance the petrochemically- derived polymers of acrylic acid traditionally used to thicken formulations can in many instances be replaced with a polysaccharide such as xanthan gum (US2013336907).

Film forming agents fulfil a variety of important roles in personal care products ranging from providing an effective barrier on the skin to providing hold in a hair- styling product. In general there is a lack of natural film formers that can assume this role, particularly those that are entirely derived from natural feedstocks.

Revolymer - Published 07th April 2016


Page 02 of 75

Film Forming Polymer Technology for use in Personal Care Products

Summary of the Disclosure

This disclosure details an invention suitable that solves the challenges discussed in the Background.

According to a first aspect of the present invention there is provided a use of a polymer comprising:

a) 10 - 100% of monomeric moieties formed from the polymerisation of itaconic acid salts;

b) 0 - 90% of monomeric moieties formed from the polymerisation of itaconic acid, esters of itaconic acid, amides of itaconic acid and/or itaconic anhydride,

as a film forming agent.

According to a second aspect of the present invention there is provided a cosmetic or personal care composition comprising a polymer as defined herein.

According to a third aspect of the present invention there is provided a process for the preparation of a polymer as defined herein, the process comprising the steps of:


a) providing a monomer mixture comprising water and either:


i. one or more salts of itaconic acid,


ii. a base, to which itaconic acid is subsequently added, or


iii. itaconic acid, to which a base is subsequently added;


b) rea...