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US 2003/0166822 A1Published application
Amphiphilic cationic associative polymers, preparation process, use as thickeners and composition comprising them
AssigneeL'oreal
InventorsSylvie Benard, Simon Trouille, Mireille Arnaud-Roux
Life of this patent
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Abstract
Novel water-soluble or water-dispersible amphiphilic cationic associative polymers, a process for preparing them and their use in compositions for topical application, such as for cosmetic use, as thickeners, and the compositions comprising these polymers.
Claims56
At least one polymer of formula (I) below:
- R—X-[L-(Y)m]r-L′-X′—R′ (I)
- wherein
- R and R′, which may be identical or different, are chosen from hydrophobic groups and a hydrogen atom;
- X and X′, which may be identical or different, are chosen from groups comprising at least one amine functional group chosen from tertiary and quaternary amine functional groups, optionally bearing at least one hydrophobic group;
- L and L′, which may be identical or different, are each chosen from groups derived from diisocyanate;
- Y is chosen from hydrophilic groups;
- r is an integer ranging from 1 to 100;
- m is a number ranging from 1 to 1,000,
- wherein the polymer comprises at least one amine functional group chosen from protonated and quaternized amine functional groups and at least one hydrophobic group, it being understood that the content of the quaternized amine unit is at least 85%.
6 more elements
A process for preparing at least one polymer, comprising reacting a quaternized amine derivative with a diisocyanate prepolymer;
- wherein the at least one polymer is of formula (I) below:
- R—X-[L-(Y)m]r-L′-X′—R′ (I)
- wherein
- R and R′, which may be identical or different, are chosen from hydrophobic groups and a hydrogen atom;
- X and X′, which may be identical or different, are chosen from groups comprising at least one amine functional group chosen from tertiary and quaternary amine functional groups, optionally bearing at least one hydrophobic group;
- L and L′, which may be identical or different, are each chosen from groups derived from diisocyanate;
- Y is chosen from hydrophilic groups;
- r is an integer ranging from 1 to 100;
- m is a number ranging from 1 to 1,000,
- wherein the polymer comprises at least one amine functional group chosen from protonated and quaternized amine functional groups and at least one hydrophobic group, it being understood that the content of the quaternized amine unit is at least 85%.
7 more elements
At least one thickener polymer of formula (I) below:
- R—X-[L-(Y)m]r-L′-X′—R′ (I)
- wherein
- R and R′, which may be identical or different, are chosen from hydrophobic groups and a hydrogen atom;
- X and X′, which may be identical or different, are chosen from groups comprising at least one amine functional group chosen from tertiary and quaternary amine functional groups, optionally bearing at least one hydrophobic group;
- L and L′, which may be identical or different, are each chosen from groups derived from diisocyanate;
- Y is chosen from hydrophilic groups;
- r is an integer ranging from 1 to 100;
- m is a number ranging from 1 to 1,000,
- wherein the polymer comprises at least one amine functional group chosen from protonated and quaternized amine functional groups and at least one hydrophobic group, it being understood that the content of the quaternized amine unit is at least 85%;
- and
- wherein the polymer is effective as a thickener.
8 more elements
A composition comprising at least one polymer of formula (I) below:
- R—X-[L-(Y)m]r-L′-X′—R′ (I)
- wherein
- R and R′, which may be identical or different, are chosen from hydrophobic groups and a hydrogen atom;
- X and X′, which may be identical or different, are chosen from groups comprising at least one amine functional group chosen from tertiary and quaternary amine functional groups, optionally bearing at least one hydrophobic group;
- L and L′, which may be identical or different, are each chosen from groups derived from diisocyanate;
- Y is chosen from hydrophilic groups;
- r is an integer ranging from 1 to 100;
- m is a number ranging from 1 to 1,000,
- wherein the polymer comprises at least one amine functional group chosen from protonated and quaternized amine functional groups and at least one hydrophobic group, it being understood that the content of the quaternized amine unit is at least 85%.
6 more elements
A process for thickening a composition comprising including in the composition at least one polymer as a thickener, wherein the at least one polymer is of formula (I) below:
- R—X-[L-(Y)m]r-L′-X′—R′ (I)
- wherein
- R and R′, which may be identical or different, are chosen from hydrophobic groups and a hydrogen atom;
- X and X′, which may be identical or different, are chosen from groups comprising at least one amine functional group chosen from tertiary and quaternary amine functional groups, optionally bearing at least one hydrophobic group;
- L and L′, which may be identical or different, are each chosen from groups derived from diisocyanate;
- Y is chosen from hydrophilic groups;
- r is an integer ranging from 1 to 100;
- m is a number ranging from 1 to 1,000,
- wherein the polymer comprises at least one amine functional group chosen from protonated and quaternized amine functional groups and at least one hydrophobic group, it being understood that the content of the quaternized amine unit is at least 85%.
6 more elements
At least one polymer of formula (I) below:
- R—X-[L-(Y)m]r-L′-X′—R′ (I)
- wherein
- R and R′, which may be identical or different, are chosen from hydrophobic groups and a hydrogen atom;
- X and X′, which may be identical or different, are chosen from groups comprising at least one amine functional group chosen from tertiary and quaternary amine functional groups, optionally bearing at least one hydrophobic group;
- L and L′, which may be identical or different, are each chosen from groups derived from diisocyanate;
- Y is chosen from hydrophilic groups;
- r is an integer ranging from 1 to about 100;
- m is a number ranging from 1 to about 1,000,
- wherein the polymer comprises at least one amine functional group chosen from protonated and quaternized amine functional groups and at least one hydrophobic group, it being understood that the content of the quaternized amine unit is at least about 85%.
6 more elements
Dependencies are inferred from the claim text.