Water-soluble and/or water-swellable hybrid polymer

Patent metadata

Field	Value
Publication number	US-11401362-B2
Application number	US-201716470091-A
Country	US
Kind code	B2
Filing date	Dec 6, 2017
Priority date	Dec 15, 2016
Publication date	Aug 2, 2022
Grant date	Aug 2, 2022

Abstract

A water-soluble and/or water-swellable hybrid polymer comprising:(i) from 5 wt.-% to 95 wt.-% water-soluble and/or water-swellable polysaccharide polymer;(ii) from 5 wt.-% to 95 wt.-% synthetic polymer comprising:(a) from 40 mol-% to 99 mol-% of repeating units according to Formula (1)(b) from 0.01 mol-% to 5 mol-% crosslinking or branching units, wherein the crosslinking or branching units result from the incorporation of a monomer comprising at least two olefinically unsaturated double bonds;(c) from 0.99 mol-% to 59.99 mol-% of repeating neutral structural units;wherein components (i) and (ii) are polymerized by radical precipitation polymerization in a polar solvent.

First claim

The invention claimed is:

1. A water-soluble and/or water-swellable hybrid polymer comprising:
(i) from 5 wt.-% to 95 wt.-% water-soluble and/or water-swellable polysaccharide polymer;
(ii) from 5 wt.-% to 95 wt.-% synthetic polymer comprising:
(a) from 40 mol-% to 99 mol-% of repeating units according to Formula (1)

wherein:
R 1 and R 2 are independently selected from the group consisting of H, methyl or ethyl; A is a linear or branched C 1 -C 12 -alkyl group; and Q + is H + , NH 4 + , organic ammonium ions [NHR 5 R 6 R 7 ] + wherein R 5 , R 6 , and R 7 independently of one another may be hydrogen, a linear or branched alkyl group having 1 to 22 carbon atoms, a linear or branched, singularly or multiply unsaturated alkenyl group having 2 to 22 carbon atoms, a C 6 -C 22 alkylamidopropyl group, a linear mono-hydroxyalkyl group having 2 to carbon atoms or a linear or branched dihydroxyalkyl group having 3 to carbon atoms, and where at least one of the radicals R 5 , R 6 , and R 7 is not hydrogen, or Q + is Li + , Na + , K + , ½ Ca ++ , ½ Mg + , ½ Zn ++, ⅓ Al +++ , or combinations thereof;
(b) from 0.01 mol-% to 5 mol-% crosslinking or branching units, wherein the crosslinking or branching units result from the incorporation of a monomer comprising at least two olefinically unsaturated double bonds;
(c) from 0.99 mol-% to 59.99 mol-% of repeating neutral structural units;

wherein components (i) and (ii) are polymerized by radical precipitation polymerization in a polar solvent.

2. The water-soluble and/or water-swellable hybrid polymer according to claim 1 , wherein the monomers resulting in units (a), (b) and/or (c) are/is neutralized with a base prior to the polymerization, and/or the hybrid polymer after polymerization is neutralized with a base.

3. The water-soluble and/or water-swellable hybrid polymer according to claim 2 , wherein the base is selected from bases comprising an ion selected the group consisting of Li + , Na + , K + , Ca ++ , Mg ++ , Zn ++ , Al +++ , and combinations thereof.

4. The water-soluble and/or water-swellable hybrid polymer according to claim 1 , wherein the repeating units according to Formula (1) result from the incorporation of a monomer selected from the group consisting of acryloyldimethyltaurates, acryloyl-1,1-dimethyl-2-methyltaurates, acryloyltaurates, acryloyl-N-methyltaurates, and combinations thereof.

5. The water-soluble and/or water-swellable hybrid polymer according to claim 1 , wherein the crosslinking or branching units result from the incorporation of a monomer according to Formula (2)

wherein,
R 1 is independently selected from the group consisting of H, methyl or ethyl; and R 2 is a linear or branched alkyl group having 1 to 6 carbon atoms, or is a linear or branched, mono- or polyunsaturated alkylene group having 2 to 6 carbon atoms.

6. The water-soluble and/or water-swellable hybrid polymer according to claim 1 , wherein the crosslinking or branching units result from the incorporation of a monomer according to Formula (3)

wherein,
R 1 is independently selected from the group consisting of H, methyl or ethyl; and R 2 is a linear or branched alkyl group having 1 to 6 carbon atoms, or is a linear or branched, mono- or polyunsaturated alkylene group having 2 to 6 carbon atoms; D, E, and F are independently methyleneoxy (—CH 2 O), ethyleneoxy (—CH 2 —CH 2 —O—), propyleneoxy (—CH(CH 3 )—CH 2 —O—), a linear or branched alkylene group having 1 to 6 carbon atoms, a linear or branched, singularly or multiply unsaturated alkenylene group having 2 to 6 carbon atoms, a linear mono-hydroxyalkylene group having 2 to 6 carbon atoms or a linear or branched dihydroxyalkylene group having 3 to 6 carbon atoms; and o, p, and q each independently are an integer from 1 to 50.

7. The water-soluble and/or water-swellable hybrid polymer according to claim 1 , wherein the hybrid polymer comprises at least 30 wt.-% polysaccharide polymer, by total weight of the hybrid polymer.

8. The water-soluble and/or water-swellable hybrid polymer according to claim 1 , wherein the crosslinking or branching units result from the incorporation of a crosslinker selected from the group consisting of methylenebisacrylamide; methylenebismethacrylamide; esters of unsaturated monocarboxylic and polycarboxylic acids with polyols, allyl compounds, allyl esters of phosphoric acid; and vinylphosphonic acid derivatives.

9. The water-soluble and/or water-swellable hybrid polymer according to any of the preceding claims, wherein the polysaccharide polymer is selected from the group consisting of xanthan gum, carrageenan, guar gum, chitosan and alginate.

10. The water-soluble and/or water-swellable hybrid polymer according to claim 1 , wherein the polysaccharide polymer comprises glucose and/or galactose units.

11. The water-soluble and/or water-swellable hybrid polymer according to claim 1 , wherein the structure of the hybrid polymer is such that the polysaccharide polymer is a backbone onto which the synthetic polymer is grafted.

12. The water-soluble and/or water-swellable hybrid polymer according to claim 1 , wherein the radical precipitation polymerization is carried out in a polar solvent mixture comprising: I) water and II) a further compound.

13. A composition comprising:
(i) at least one water-soluble and/or water-swellable hybrid polymer according to claim 1 and
(ii) at least one carrier.

14. The composition according to claim 13 , wherein the composition is selected from the group consisting of shampoo, body wash, facial cleanser, face mask, bubble bath, intimate wash, bath oil, cleansing milk, micellar water, make-up remover, cleansing wipes, hair mask, perfume, liquid soap, shaving soap, shaving foam, cleansing foam, day cream, anti-ageing cream, body milk, body lotion, body mousse, face serum, eye cream, sunscreen lotion, sun cream, face cream, after-shave lotion, pre-shaving cream, depilatory cream, skin-whitening gel, self-tanning cream, anti-acne gel, mascara, foundation, primer, concealer, blush, bronzer, blemish balm (bb) cream, eyeliner, night cream, eye brow gel, highlighter, lip stain, hand sanitizer, hair oil, nail varnish remover, conditioner, hair styling gel, hair styling cream, anti-frizz serum, scalp treatment, hair colorant, split end fluid, deodorant, antiperspirant, baby cream, insect repellent, hand cream, sunscreen gel, foot cream, exfoliator, body scrub, cellulite treatment, bar soap, cuticle cream, lip balm, hair treatment, eye shadow, bath additive, body mist, eau de toilette, mouthwash, toothpaste, lubricating gel, moisturizer, serum, toner, aqua sorbet, cream gel, styling mousse, dry shampoo, lip stick, lip gloss, hydro-alcoholic gel, body oil, shower milk, illuminator, lip crayon, hair spray, combing cream, and sunblock.

15. A thickening agent, a structurant, and/or a rheology modifier comprising at least one water-soluble and/or water-swellable hybrid polymer according to claim 1 .

16. A process for thickening, adding structure to, and/or modifying a rheology of a composition comprising the step of adding at least one water-soluble and/or water-swellable hybrid polymer comprising:
(i) from 5 wt.-% to 95 wt.-% water-soluble and/or water-swellable polysaccharide polymer;
(ii) from 5 wt.-% to 95

Assignees

• Clariant Int Ltd

Inventors

• Fischer Dirk
• Berz Katharina
• Starkulla Gundula

Classifications

• C08B37/0084

  Guluromannuronans, e.g. alginic acid, i.e. D-mannuronic acid and D-guluronic acid units linked with alternating alpha- and beta-1,4-glycosidic bonds; Derivatives thereof, e.g. alginates · CPC title

• C08B37/0096

  Guar, guar gum, guar flour, guaran, i.e. (beta-1,4) linked D-mannose units in the main chain branched with D-galactose units in (alpha-1,6), e.g. from Cyamopsis Tetragonolobus; Derivatives thereof · CPC title

• A61K2800/5424

  anionic · CPC title

• C08B37/0033

  Xanthan, i.e. D-glucose, D-mannose and D-glucuronic acid units, saubstituted with acetate and pyruvate, with a main chain of (beta-1,4)-D-glucose units; Derivatives thereof · CPC title

• C08F251/00 Primary

  Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof · CPC title