Polyketone Bristles And Toothbrush Comprising The Bristles

Patent metadata

Field	Value
Publication number	US-2019208901-A1
Application number	US-201716333331-A
Country	US
Kind code	A1
Filing date	Sep 25, 2017
Priority date	Sep 29, 2016
Publication date	Jul 11, 2019
Grant date	—

Abstract

Provided are polyketone toothbrush bristles and a toothbrush comprising the same. The toothbrush bristles are made using a polyketone material having high rigidity, high elasticity and excellent wear resistance and thus shows reduced bristle gap-widening and increased service life. The toothbrush bristles obtained by using the polyketone according to the present disclosure have excellent elasticity and are suitable for removal of plaque on the severely indented tooth surfaces. Particularly, in the case of fine bristles, it is possible to remove interdental plaque, which, otherwise cannot be removed well by the conventional toothbrushes.

First claim

1 . Toothbrush bristles comprising polyketone.

2 . The toothbrush bristles according to claim 1 , wherein the polyketone has a basic structure comprising carbon monoxide and olefin.

3 . The toothbrush bristles according to claim 1 , wherein the polyketone is a hybrid polymer of carbon monoxide with ethylene or a terpolymer of carbon monoxide, ethylene and polyketone.

4 . The toothbrush bristles according to claim 1 , wherein the polyketone is represented by the following chemical formula:
CH 2 CH 2 C(═O) X CH 2 CH(CH 3 )C(═O) Y
wherein x:y is 1:10-10:1.

5 . The toothbrush bristles according to claim 1 , which consists of polyketone.

6 . The toothbrush bristles according to claim 1 , further comprising at least one water-insoluble polymer material selected from the group consisting of polypropylene, polyethylene, polyethylene terephthalate, polybutylene terephthalate, polytrimethylene terephthalate, polyurethane and nylon.

7 . The toothbrush bristles according to claim 1 , further comprising at least one selected from the group consisting of an anti-inflammatory and anti-bacterial agent, whitening agent, sensitive tooth-alleviating agent, anti-plaque agent, fragrance, bad breath-preventing agent, gingiva health-aid, tooth decay-preventing agent, oral cavity cleaner, xylitol, bamboo salt, bay salt, prepared salt, refined salt, pine salt, steamed salt, molten salt, processed salt and phosphate salt.

8 . The toothbrush bristles according to claim 1 , which are fine bristles having a needle-like shape at the end thereof.

9 . The toothbrush bristles according to claim 1 , which have a diameter of 0.1 mm-0.13 mm.

10 . A toothbrush comprising the toothbrush bristles as defined in claim 1 .

Assignees

• Lg Household & Health Care Ltd

Inventors

• Park Mi-Jeong
• Ha Won-Ho
• Lee Kyung-Sub
• Lee Jong-Hoon
• Yu Hye-Ju

Classifications

• D01F6/96

  from other synthetic polymers · CPC title

• D01F6/26

  from other polymers · CPC title

• A46B2200/1066

  Toothbrush for cleaning the teeth or dentures (A61C17/16 takes precedence; bristles arrangements for toothbrushes A46B9/04) · CPC title

• D06M13/123

  Polyaldehydes; Polyketones · CPC title

• A46B9/04

  {Arranged like in or} for toothbrushes · CPC title