Photo-crosslinkable varnish compositions as base coating and application methods

Patent metadata

Field	Value
Publication number	US-2016367455-A1
Application number	US-201415100517-A
Country	US
Kind code	A1
Filing date	Nov 28, 2014
Priority date	Dec 4, 2013
Publication date	Dec 22, 2016
Grant date	—

Abstract

The present invention relates to a kit for coating a nail or false nail, and more particularly for making up a nail or false nail, comprising, in a physiologically acceptable medium: —a first photo-crosslinkable composition comprising, in a physiologically acceptable medium, at least one photo-crosslinkable compound a) comprising at least two (ALK)acrylate functions and at least one carboxylic acid function, —a second photo-crosslinkable composition comprising, in a physiologically acceptable medium: —at least one photo-crosslinkable compound b) comprising at least one (poly)urethane poly(ALK)acrylate compound comprising a (poly)oxyalkylene unit, —at least one photo-crosslinkable compound c) comprising at least two carbamate units obtained by reaction with at least one diisocyanate of isophorone diisocyanate type, —at least one (ALK)acrylate monomer, preferably (meth)acrylate monomer, more preferentially tetrahydrofurfuryl methacrylate. The present invention also relates to specific methods for applying such a composition.

First claim

1 : A kit for coating a nail or false nail, the kit comprising:
a first photo-crosslinkable composition comprising, in a physiologically acceptable medium, at least one photo-crosslinkable compound a) comprising at least two (ALK)acrylate functions and at least one carboxylic acid function, a second photo-crosslinkable composition comprising, in a physiologically acceptable medium: at least one photo-crosslinkable compound b) comprising at least one (poly)urethane poly(ALK)acrylate compound, the photo-crosslinkable compound(s) b) comprising a (poly)oxyalkylene unit, at least one photo-crosslinkable compound c) comprising at least two carbamate units obtained by reaction with at least one diisocyanate of isophorone diisocyanate type, at least one (ALK)acrylate monomer.

2 : The kit according to claim 1 , in which the compound(s) a) correspond(s) to formula (I) below:

wherein:
R1 and R2, which may be identical or different, represent a hydrogen atom, or a methyl group, or a group of formula (II) below:

R5 representing a hydrogen atom or a methyl group;
R3 and R4, which may be identical or different, represent a hydrogen atom or a methyl group;
X represents a radical corresponding to one of formula (III), (IV), (V), (VI), (VII), (VIII), (IX) or (X) below:

m, n and o, which may be identical or different, representing an integer between 0 and 10;

p, q, r and s, which may be identical or different, representing an integer between 0 and 10;

R6, R7 and R8, which may be identical or different, representing a hydrogen atom or a hydroxyl group.

3 : The kit according to claim 2 , in which the compound(s) a) correspond(s) to formula (I-1) below:

in which formula (I-1) R1, R2, R3 and R4 are as defined in claim 2 .

4 : The kit according to claim 3 , in which R3 and R4 of formula (I-1) are methyl groups.

5 : The kit according to claim 3 , in which R1 and R2 of formula (I-1) represent hydrogen atoms.

6 : The kit according to claim 2 , in which the compound(s) a), corresponding to formula (I), is (are) present in the first composition in a content greater than or equal to 10% by weight, relative to the weight of the total solids of the first composition.

7 : The kit according to claim 1 , in which the first composition comprises at least one photo-crosslinkable compound b) comprising at least one (poly)urethane poly(ALK)acrylate compound, the photo-crosslinkable compound(s) b) comprising a (poly)oxyalkylene unit.

8 : The kit according to claim 1 , in which the compound(s) b) correspond(s) to formula (XI) below:

wherein:
R 1 , R 2 , R 3 , R 4 , R 5 and R 6 , which may be identical or different, represent a hydrogen atom or a C 1 -C 10 alkyl chain,
k and l, which may be identical or different, are between 1 and 10,
m is between 1 and 100,
n is between 1 and 10,
X and Y, which may be identical or different, represent a C 1 -C 20 alkyl or cycloalkyl group.

9 : The kit t according to claim 7 , in which the compound(s) b) present in the first composition is (are) present in a content greater than or equal to 20% by weight, relative to the total weight of the solids of the first composition.

10 : The kit according to claim 1 , in which the compound(s) b) present in the second composition is (are) present in a content greater than or equal to 10% by weight, relative to the total weight of the solids of the second composition.

11 : The kit according to claim 1 , in which the compound(s) c) correspond(s) to formula (XIII) below:

wherein:
R 1 , R 2 , R 3 and R 4 , which may be identical or different, represent a hydrogen atom or a C 1 -C 10 alkyl chain,
j is between 1 and 10,

A representing a C 1 -C 10 alkyl group, or a polyurethane comprising from 2 to 20 carbamate units.

12 : The kit according to claim 1 , in which the compound(s) c is (are) present in the second composition in a content greater than or equal to 5% by weight, relative to the total weight of the solids of the second composition.

13 : The kit according to claim 1 , in which the first composition and the second composition comprise at least one film-forming polymer.

14 : The kit according to claim 1 , in which the first composition comprises at least one film-forming polymer comprising a poly(meth)acrylate.

15 : The kit according to claim 1 , in which the second composition comprises at least one film-forming polymer selected from the group consisting of polysaccharides and polysaccharide derivatives.

16 : The kit according to claim 13 , in which the film-forming polymer(s) comprise(s) at least one poly(meth)acrylate corresponding to formula (XII) below:

wherein:
R 1 , R 2 and R 3 , which may be identical or different, represent a hydrogen atom or a C 1 -C 10 alkyl group,
x and y, which may be identical or different, represent an integer between 1 and 100,
z represents an integer between 0 and 100,
n represents an integer between 1 and 1000.

17 : The kit according to claim 13 , in which the polysaccharide(s) and polysaccharide derivative(s) is (are) selected from the group consisting of nitrocellulose, an ether of a polysaccharide, and an ester of a polysaccharide.

18 : The kit according to claim 13 , in which the film-forming polymer(s) is (are) present in the first composition in a total content greater than or equal to 20% by weight, relative to the total weigh t of the solids of the first composition.

19 : The kit according to claim 13 , in which the film-forming polymer(s) is (are) present in the second composition in a total content greater than or equal to 0.05% by weight, relative to the total weight of the solids of the second composition.

20 : The kit according to claim 1 , in which the first composition comprises at least one volatile solvent.

21 : The kit according to claim 20 , in which the volatile solvent(s) is (are) present in the first composition in a total content greater than or equal to 30% by weight, relative to the total weight of the composition.

22 : The kit according to claim 1 , in which the first composition and the second composition comprise at least one photoinitiator.

23 : The kit according to claim 1 , in which the first composition comprises at least one (ALK)acrylate monomer.

24 : The kit according to claim 1 , in which the (ALK)acrylate monomer(s) is (are) present in the first composition in a total content greater than or equal to 0.1% by weight, relative to the total weight of the solids

Assignees

• Oreal

Inventors

• Kergosien Guillaume
• Riachi Carl
• Le Pape Marina

Classifications

• A61K8/375 Primary

  the alcohol moiety containing more than one hydroxy group · CPC title

• A61K8/8152

  Homopolymers or copolymers of esters, e.g. (meth)acrylic acid esters; Compositions of derivatives of such polymers · CPC title

• A61K2800/884

  Sequential application · CPC title

• A61K2800/95

  Involves in-situ formation or cross-linking of polymers · CPC title

• A45D29/00

  Manicuring or pedicuring implements · CPC title