LUBRICATING MEMBER FOR RAZOR CARTRIDGES COMPRISING METATHESIZED UNSATURATED POLYOLS

• US 20180008843A1
• Filed: 06/26/2017
• Published: 01/11/2018
• Est. Priority Date: 07/08/2016
• Status: Active Grant

• Current Assignee: The Gillette Company LLC (The Procter & Gamble Company)
• Original Assignee: The Gillette Company LLC (The Procter & Gamble Company)
• Inventors: Zannoni, Luke Andrew, Schubert, Beth Ann, Panandiker, Rajan Keshav, Kemper, Joseph Jay, Strife, Robert John, Motlagh, Safa, Scheibel, Jeffrey John, Stephens, Alison Fiona, Sawin, Philip Andrew
• Granted Patent: US 11,311,750 B2
• Time in Patent Office: Days
• CPC Class Codes: A61K 8/602 Glycosides, e.g. rutin
• CPC Class Codes: A61K 8/86 Polyethers
• CPC Class Codes: A61Q 19/002 Aftershave preparations
• CPC Class Codes: A61Q 19/005 Preparations for sensitive skin
• CPC Class Codes: A61Q 9/02 Shaving preparations
• CPC Class Codes: C08L 2205/025 containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
• CPC Class Codes: C08L 23/02 not modified by chemical after-treatment
• CPC Class Codes: C10M 105/42 Complex esters, i.e. compounds containing at least three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compound: monohydroxy compounds, polyhydroxy compounds, monocarboxylic acids, polycarboxylic acids and hydroxy carboxylic acids
• CPC Class Codes: C10M 107/24 containing monomers having an unsaturated radical bound to an alcohol, aldehyde, ketonic, ether, ketal or acetal radical
• CPC Class Codes: C10M 109/02 Reaction products
• CPC Class Codes: C10M 2209/0606 used as base material
• CPC Class Codes: C10N 2020/013 Iodine value
• CPC Class Codes: C10N 2020/04 Molecular weight; Molecular weight distribution
• CPC Class Codes: C10N 2030/06 Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
• CPC Class Codes: C11D 3/2093 Esters; Carbonates

Abstract

The invention relates to a lubricating member for a razor cartridge comprising a metathesized unsaturated polyol ester for improved lubrication.

Claims

1. A lubricating member for use on a hair removal device, said lubricating member comprising a lubricating material comprising a) from 1% to 99% by weight of methathesized unsaturated polyol ester methathesized unsaturated polyol ester, having one or more of the following properties:

(i) a weight average molecular weight of from about 5,000 Daltons to about 50,000 Daltons;

(ii) an oligomer index from greater than 0 to 1; and

(iii) an iodine value of from about 30 to about 200.

2. A device according to claim 1, wherein said metathesized unsaturated polyol ester has a weight average molecular weight of from about 5,000 Daltons to about 50,000 Daltons.

3. A device according to claim 1 wherein said metathesized unsaturated polyol ester has an iodine value of from about 30 to about 200.

7. A lubricating member according to claim 1, wherein said metathesized unsaturated polyol ester has a free hydrocarbon content, based on total weight of metathesized unsaturated polyol ester, of from about 0% to about 5%.

8. A lubricating member according to claim 1, said composition comprising, based on total composition weight, from about 0.1% to about 50% of said metathesized unsaturated polyol ester.

9. A lubricating member according to claim 1, wherein the metathesized unsaturated polyol ester is metathesized at least once.

10. A lubricating member according to claim 1, wherein said metathesized unsaturated polyol ester is derived from a natural polyol ester and/or a synthetic polyol ester, preferably said natural polyol ester is selected from the group consisting of a vegetable oil, an animal fat, an algae oil and mixtures thereof;

and said synthetic polyol ester is derived from a material selected from the group consisting of ethylene glycol, propylene glycol, glycerol, polyglycerol, polyethylene glycol, polypropylene glycol, poly(tetramethylene ether) glycol, pentaerythritol, dipentaerythritol, tripentaerythritol, trimethylolpropane, neopentyl glycol, a sugar, preferably, sucrose, and mixtures thereof.

11. A lubricating member according to claim 1, wherein said metathesized unsaturated polyol ester is selected from the group consisting of metathesized Abyssinian oil, metathesized Almond Oil, metathesized Apricot Oil, metathesized Apricot Kernel oil, metathesized Argan oil, metathesized Avocado Oil, metathesized Babassu Oil, metathesized Baobab Oil, metathesized Black Cumin Oil, metathesized Black Currant Oil, metathesized Borage Oil, metathesized Camelina oil, metathesized Carinata oil, metathesized Canola oil, metathesized Castor oil, metathesized Cherry Kernel Oil, metathesized Coconut oil, metathesized Corn oil, metathesized Cottonseed oil, metathesized Echium Oil, metathesized Evening Primrose Oil, metathesized Flax Seed Oil, metathesized Grape Seed Oil, metathesized Grapefruit Seed Oil, metathesized Hazelnut Oil, metathesized Hemp Seed Oil, metathesized Jatropha oil, metathesized Jojoba Oil, metathesized Kukui Nut Oil, metathesized Linseed Oil, metathesized Macadamia Nut Oil, metathesized Meadowfoam Seed Oil, metathesized Moringa Oil, metathesized Neem Oil, metathesized Olive Oil, metathesized Palm Oil, metathesized Palm Kernel Oil, metathesized Peach Kernel Oil, metathesized Peanut Oil, metathesized Pecan Oil, metathesized Pennycress oil, metathesized Perilla Seed Oil, metathesized Pistachio Oil, metathesized Pomegranate Seed Oil, metathesized Pongamia oil, metathesized Pumpkin Seed Oil, metathesized Raspberry Oil, metathesized Red Palm Olein, metathesized Rice Bran Oil, metathesized Rosehip Oil, metathesized Safflower Oil, metathesized Seabuckthorn Fruit Oil, metathesized Sesame Seed Oil, metathesized Shea Olein, metathesized Sunflower Oil, metathesized Soybean Oil, metathesized Tonka Bean Oil, metathesized Tung Oil, metathesized Walnut Oil, metathesized Wheat Germ Oil, metathesized High Oleoyl Soybean Oil, metathesized High Oleoyl Sunflower Oil, metathesized High Oleoyl Safflower Oil, metathesized High Erucic Acid Rapeseed Oil, and mixtures thereof.

12. A lubricating member according to claim 1, further comprising a water soluble polymer.

13. The lubricating member according to claim 12, wherein said water soluble polymer is selected from polyethylene oxide, polyvinyl pyrrolidone, polyacrylamide, polyhydroxymethacrylate, polyvinyl imidazoline, polyethylene glycol, polyvinyl alcohol, polyhydroxyethymethacrylate, guars, cellulose, modified cellulose and mixtures thereof.

14. The lubricating member according to claim 12, wherein said water soluble polymer is polyethylene oxide having an average molecular weight of at least 300000, preferably from 300,000 to 8 million, more preferably from 1 million to 5 million, most preferably from 2 to 3 million.

15. The lubricating member according to claim 12, wherein said water soluble polymer further comprises from 0.01% to 50%, preferably from 2% to 40%, by weight of the lubricating material of a copolymer of polyethylene oxide and polypropylene oxide.

16. The lubricating member according to claim 12, wherein said polyethylene oxide polymer is present at a level of from 15% to 70%, preferably from 20% to 60%, more preferably from 25% to 50% by weight of the lubricating material.

17. The lubricating member according to claim 1, wherein said lubricating member further comprises from 1% to 50% by weight of a water insoluble material, preferably selected from polyethylene, polypropylene, polystyrene, high impact polystyrene, butadiene styrene copolymer, polyacetal, acrylonitrile-butadiene styrene copolymer, ethylene vinyl acetate copolymer and mixtures thereof.

18. A hair removal cartridge having a front end and an opposing rear end, the hair removal cartridge comprising:

a. at least one hair removal member positioned between said front end and said rear end; and

b. at least one lubricating member according to claim 1.

19. A hair removal device comprising:

a. a hair removal cartridge according to claim 18, and

b. a handle permanently or removably attached to said hair removal cartridge.

4. A lubricating member for use on a hair removal device, said lubricating member comprising a lubricating material comprising a) from 1% to 99% by weight of composition comprising:

a) a metathesized unsaturated polyol ester, said metathesized unsaturated polyol ester having a weight average molecular weight of from about 2,000 Daltons to about 50,000 Daltons; and

one or more of the following properties;

(i) a free hydrocarbon content, based on total weight of metathesized unsaturated polyol ester of from about 0% to about 5%;

(ii) an oligomer index from greater than 0 to 1; and

(iii) an iodine value of from about 8 to about 200.

5. A lubricating member according to claim 4, wherein said metathesized unsaturated polyol ester has an iodine value of from about 10 to about 200.

6. A lubricating member according to claim 4, wherein said metathesized unsaturated polyol ester has an oligomer index from about 0.001 to 1.