CN107713322A - It is a kind of that there are hydrophobic bristles and include its toothbrush - Google Patents
It is a kind of that there are hydrophobic bristles and include its toothbrush Download PDFInfo
- Publication number
- CN107713322A CN107713322A CN201710929389.1A CN201710929389A CN107713322A CN 107713322 A CN107713322 A CN 107713322A CN 201710929389 A CN201710929389 A CN 201710929389A CN 107713322 A CN107713322 A CN 107713322A
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- China
- Prior art keywords
- bristles
- hydrophobicity
- hydrophobic
- toothbrush
- present
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Classifications
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/02—Bristles details
- A46D1/0207—Bristles characterised by the choice of material, e.g. metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G7/00—Connections between parts of the scaffold
- E04G7/02—Connections between parts of the scaffold with separate coupling elements
- E04G7/06—Stiff scaffolding clamps for connecting scaffold members of common shape
- E04G7/20—Stiff scaffolding clamps for connecting scaffold members of common shape for ends of members only, e.g. for connecting members in end-to-end relation
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B2200/00—Brushes characterized by their functions, uses or applications
- A46B2200/10—For human or animal care
- A46B2200/1066—Toothbrush for cleaning the teeth or dentures
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Brushes (AREA)
Abstract
The present invention relates to a kind of toothbrush with hydrophobic bristles and including the bristles, including hydrophobic ingredient, preferably include the hydrophobicity that there is the bristles of perfluorocarbon moisture capacity substantially to reduce, therefore, while the residual moisture in bristles greatly reduces after the brushing, water evaporation rate accelerate it is many thus can suppress bacterial population, it is possible thereby to prevent oral cavity bacterium infection.Also, the invention further relates to a kind of hydrophobicity toothbrush including hydrophobicity bristles.
Description
The application be international application into the National Phase in China date be on 07 14th, 2015, Application No.
The division Shen of the application of the 201480004811.7th, entitled " a kind of that there are hydrophobic bristles and include its toothbrush "
Please.
Technical field
The present invention relates to a kind of refusal power having to water, i.e., hydrophobic bristles and the toothbrush including the bristles.
The application advocates the priority based on Korean application filed in 15 days January in 2013 the 10-2013-0004369th,
All the elements disclosed in the specification and accompanying drawing of this application are quoted to the application.
Background technology
Toothbrush plays a part of brushing oral cavity bacterium, therefore is easily polluted by bacterium, is especially remained in bristles
When having moisture, it can more promote the reproduction speed of bacterium.Therefore, in order to prevent toothbrush from being polluted by bacterium, apply after the brushing
Bristles are cleaned multiple times in the clear water of flowing, and are dried in sunlit local or draughty place and remove remaining water
Divide and be even more important.
But the mode that most consumers take care of toothbrush after the brushing is to clean toothbrush with the water of trickling and dry 2-3
After secondary moisture, toothbrush is placed in toilet with wet state so that toothbrush be placed on bristles be easy to be polluted by bacterium and
The environment of breeding.Dentist association once showed that the bacterium in the toothbrush placed with moisture state was the equal of a big bacterium ball, its
Five times of bacterium in the up to rotten meat of amount of bacteria.Also, according to nearest research report, the bacterial population up to closestool in toothbrush
200 times of water, although toothbrush bacterium can not visually see, but comprising including coliform, staphylococcus, green pus bar
The various bacteriums of the kind more than 700 of bacterium, salmonella, streptococcus mutans (decayed tooth bacterium) etc..
Also, it will not also die as bacterium the reason for decayed tooth, halitosis, periodontitis etc., but still stay after the brushing
On toothbrush, problem becomes more serious.If long-term use of this toothbrush being contaminated by bacterial, then bacterial reproduction can be anti-
Recurrence life, eventually results in the mouth diseases such as chronic decayed tooth and periodontitis.
Usually used bristles composition was nylon or polybutylene terephthalate (PBT) composition in the past, including such nylon
Or the bristles of polybutylene terephthalate (PBT) composition are after the brushing after 2-5 minutes, the moisture quilt completely that remains on toothbrush
Bristles are absorbed so that bristles maintain the time lengthening of moisture state, thus, exist and provide the sufficient of bacterial reproduction
The problem of time.
The content of the invention
Technical problem
The technical problem to be solved in the present invention is, there is provided a kind of to have hydrophobic bristles and including the bristles
Toothbrush, it can also prevent the bacterial reproduction of bristles and thus bring in the case of no especially change toothbrush keeping state
Oral cavity bacterium infection.
Technical scheme
In order to solve the above-mentioned technical problem, the present invention provides a kind of hydrophobicity bristles, forms the bristles of toothbrush
Including hydrophobic ingredient.
Preferably, hydrophobicity bristles of the present invention dripped on its surface water droplet when its contact angle be more than 70 degree, more
Preferably, described more than 70 degree of contact angle can maintain more than 30 seconds, it is highly preferred that described more than 70 degree of contact angle can be with
Maintain more than 60 seconds, it is highly preferred that described more than 70 degree of contact angle can maintain more than 120 seconds, most preferably, described 70 degree
Contact angle above can maintain more than 180 seconds.
Currently invention addresses the hydrophobic ingredient that the composition as bristles contains can reduce the water residued in bristles
Component, and can reduce the residual moisture time, moisture absorption suppresses and the residual moisture time in confirmed this bristles
Shortening can prevent bacterial reproduction and oral cavity bacterium from infecting, and this completes the present invention.
Hydrophobicity bristles of the present invention, it is characterised in that including hydrophobic ingredient, the hydrophobic ingredient can not only press down
Moisture absorption in bristles processed, the residual moisture time in bristles can also be reduced, so as to toothbrush processing side after the brushing
It can also reach to the prevention of bacterium infection and prevention effect in bacterial reproduction in bristles and oral cavity without special measure in method.
It is of the present invention have hydrophobic bristles can include the single layer structure or sandwich construction of hydrophobic ingredient,
The sandwich construction includes inner core layers and the outer shell (coat) around above-mentioned inner core layers and including hydrophobic ingredient.
The hydrophobicity that the present invention uses is the refusal power or resistance property to water and moisture, refers to that its own has hydrophobicity
Or the material of Induced drainage.Hydrophobic ingredient is the material for having above-mentioned property, and hydrophobic ingredient of the present invention is according to the present invention
A variety of purposes, preferably hydrophobic inorganic thing, hydrophobic organic compound and hydrophobicity fluorine compounds, wherein, consider hydrophobicity
Matter, use feeling, the preferably easness etc. of manufacture, perfluorocarbon (perfluoro carbon, PFC).
As above-mentioned hydrophobic inorganic thing, polysilane, polysiloxanes, Polycarbosilane or polysilazane can be enumerated, but
It is not limited to this.
Above-mentioned hydrophobic organic compound is thermoplastic elastomer (TPE) (Thermo-plastic elastomer, TPE), can be enumerated
Representative thermoplastic styrene butadiene rubber (SBS), the styrene ethylene butadiene-styrene as styrenic rubbers gathers
The material such as compound (Styrene Ethylene Butadien Styrene, SEBS) or olefin rubber, but be not limited to
This.
As above-mentioned hydrophobicity fluorine compounds, perfluorocarbon (PFC), HCFC, polytetrafluoroethylene (PTFE), complete can be enumerated
Fluothane oxygen compound (Perfluoroalkoxy), fluorinated ethylene propylene (FEP) (Fluorinated ethylene propylene), poly- three
Fluorine vinyl chloride, ethylene-tetrafluoroethylene (Ethylen-Tetrafluoroethylen) or ethene-fluorinated ethylene propylene (FEP) etc., but simultaneously
Not limited to this.
In hydrophobicity bristles in the present invention, the content of above-mentioned hydrophobic ingredient is compared to bristles overall weight, preferably
Containing 0.1 weight % to 50 weight %, further preferably 0.5 weight % to 40 weight %, more preferably contain 1 weight % to 30
Weight %.Compared to bristles overall weight, if above-mentioned hydrophobic ingredient content is less than 0.1 weight %, more difficult acquisition toothbrush
The overall hydrophobic effect of hair, if it exceeds 50 weight %, then the extrusion molding of bristles is difficult.
If of the present invention when to have hydrophobic bristles be sandwich construction, including by common toothbrush batt material
The inner core layers of formation and the outer shell mixed with hydrophobic ingredient, the bristles of this structure can be tied for more than two layers
Structure.Also, above-mentioned inner core layers can also include hydrophobic ingredient.
More specifically, the form of the bristles of above-mentioned sandwich construction is, including inner core layers and around above-mentioned inner core layers
Outer shell, above-mentioned inner core layers can be to have the post of predetermined thickness in length direction of the bristles center along bristles
Sub- shape, said external shell can be the shape for surrounding above-mentioned inner core layers with predetermined thickness in the outside of above-mentioned inner core layers
Shape.
The main component of above-mentioned inner core layers is the material for manufacturing common bristles, for example may be used as this composition
To enumerate, polypropylene, polyethylene, polyethylene terephthalate, polybutylene terephthalate (PBT), poly terephthalic acid third
The water-insoluble polymer substance such as diol ester, polyurethane, nylon component, but it is not limited to this.
The thickness of the inner core layers of sandwich construction bristles of the present invention and the thickness proportion (area ratio) of outer shell
For 1:1 to 1:10, it can be adjusted and used according to application target.
The present invention also provides a kind of hydrophobicity toothbrush, and it includes the above-mentioned hydrophobicity bristles of at least more than one.
Hydrophobicity bristles of the present invention and the toothbrush including the hydrophobicity bristles are characterized in, even if as located in the past
Reason method, dried 2-3 times after the clear water that the toothbrush after after brushing trickles simply is cleaned, and be positioned over toilet, also throw away tool
The hydrophobicity that Residual water amount and rate of water absorption in its standby bristles are decreased obviously.
Invention effect：
Hydrophobicity bristles of the present invention have the hydrophobicity that moisture capacity substantially reduces, therefore, tooth after the brushing
While residual moisture in bristle greatly reduces, water evaporation rate is very fast, therefore can suppress bacterial population, by
This can prevent oral cavity bacterium infection.Including the hydrophobicity toothbrush of this hydrophobicity bristles and common toothbrush phase thus,
Than its bacteria suppression effect is very superior.
Brief description of the drawings
The following drawings appended by this specification together plays to illustrate presently preferred embodiments of the present invention with foregoing invention content
Be advantageous to understand the effect of the technological thought of the present invention, explained without the item described in accompanying drawing should be limited the invention to.
Fig. 1 is by change of the contact angle (°) between hydrophobicity bristles surface of the present invention and water through the time and now
There is the curve map that nylon bristle tooth brush hair is compared after measurement.
Fig. 2 represents in drop after moisture temporally to pass through in hydrophobicity bristles of the present invention and nylon bristle tooth brush hair
The photo measurement result of surface change.
Fig. 3 be hydrophobicity bristles of the present invention in Residual water amount through time change and existing nylon bristle tooth brush hair ratio
The curve map shown compared with measurement.
Embodiment
Hereinafter, in order to help to understand the present invention, it is described in detail using embodiment etc..But reality of the present invention
Various modifications can be carried out by applying example, and the scope of the present invention is not limited by following examples.Embodiment of the present invention be for
Those of ordinary skill in the art are contributed to be more fully understood from the present invention and provide.
<Embodiment 1>The manufacture of single layer structure hydrophobicity bristles and toothbrush including the hydrophobicity bristles
By the PFC solution and the polybutylene terephthalate (PBT) of pulverulence that perfluorocarbon (PFC) content is 30 weight %
(PBT) mixing is (using the solution of the PFC as solute containing 30 weight %, compared to overall PBT weight, with 8 weight % ratio
Example is mixed), prepare the PBT particles containing lyophobic dust PFC.Prepared PFC is contained into PBT particles and common
PBT particles are with 1:1 weight ratio is mixed and put into material pouring inlet.
After heating, projected with general extruding injection condition and be passed to extrude Jet forming machine.Pass through shaping
The particle of machine assigns appropriate intensity and tensile force by drawing process and cooling technique, so as to produce containing hydrophobic ingredient
Bristles, and produce the toothbrush for the bristles for having used the hydrophobic combination.
<Embodiment 2>The hydrophobic effect measurement of bristles containing hydrophobic ingredient
In order to evaluate the hydrophobic effect of the bristles manufactured in above-described embodiment 1, will be dripped after stay aligned bristles
Water droplet, and measure the contact angle (°) between the water temporally passed through and bristles surface.Its result is shown in table 1 and Fig. 1.
Now, as comparative example, common common nylon bristles (E.I.Du Pont Company) have been used.
Table 1
Understand as shown in Table 1 above, the hydrophobicity bristles of the invention containing the PFC as hydrophobic combination, even if
After the time passes through, its contact angle is also greater than 80 °, therefore the hydrophobicity that moisture can be maintained not absorbed by bristles.On the contrary,
The most commonly used nylon bristle tooth brush hair of bristles composition was used as in the past, its moisture is shown by absorption immediately after the water droplet that drips
76.1 °, also substantially diminish by its contact angle over time, it is known that after 200 seconds, moisture is absorbed by bristles completely
(reference picture 1).
Fig. 2 is dripped in the hydrophobicity bristles of the present invention containing PFC and nylon bristle tooth brush hair after moisture, temporally
The photo measurement result of the surface change of process.It can pass through as seen from the figure, after the water droplet that dripped on nylon bristle tooth brush hair surface
After 200 seconds, water droplet is absorbed by bristles completely.On the contrary, the hydrophobicity bristles containing PFC in the present invention are can confirm that,
After the water droplet that drips, after 5 minutes, moisture will not also be absorbed by bristles, and maintenance connects with originally almost identical
Feeler.
<Embodiment 3>The moisture remaining measurement of bristles containing hydrophobic ingredient
In order to measure the remaining water handled after the brushing with common toothbrush processing method and when taking care of toothbrush in bristles
Point amount, after bristles are fully soaked in distilled water in 10 seconds, dry 3 times and be positioned over normal temperature and temporally measured
Residual water amount (mg) in bristles, its result is as shown in table 2 and Fig. 3.
Table 2
As shown in Table 2 above, soak and dry the amount of moisture that residues in afterwards in bristles three times in distilled water, in the present invention
It is 55mg in the hydrophobicity bristles containing PFC, and on the contrary, in nylon bristle tooth brush Mao Zhongwei 316mg, it is known that, institute of the present invention
State the Residual water amount of the hydrophobicity bristles containing PFC reduces about 1/5.7 compared to nylon bristle tooth brush hair.
Also, various bristles are placed under normal temperature condition and during natural evaporation moisture, can confirm that, it is of the present invention
All evaporation needs 30 minutes to the moisture of hydrophobicity bristles, on the contrary, nylon bristle tooth brush hair needs 140 minutes or so, with the present invention
The hydrophobicity bristles are compared to the time (reference picture 3) for needing more than about 4.7 times.
Claims (9)
1. a kind of hydrophobicity bristles, the bristles are used to form toothbrush, it is characterised in that the bristles include it is hydrophobic into
Point.
2. hydrophobicity bristles according to claim 1, it is characterised in that the hydrophobicity bristles are dripped on its surface
During water droplet, its contact angle is more than 70 degree, and described more than 70 degree of contact angle maintains more than 30 seconds.
3. hydrophobicity bristles according to claim 1, it is characterised in that the hydrophobic ingredient be selected from by hydrophobicity without
The lyophobic dust of one or more of the group of machine thing, hydrophobic organic compound and hydrophobicity fluorine compounds composition.
4. hydrophobicity bristles according to claim 3, it is characterised in that the hydrophobic inorganic thing is selected from by poly- silicon
One or more of group that alkane, polysiloxanes, Polycarbosilane and polysilazane form.
5. hydrophobicity bristles according to claim 3, it is characterised in that the hydrophobic organic compound is selected from by thermoplastic
Property butadiene-styrene rubber, styrene ethylene butadiene-styrene polymer and olefin rubber composition group in it is a kind of with
On.
6. hydrophobicity bristles according to claim 3, it is characterised in that the hydrophobicity fluorine compounds are selected from by complete
Fluorine carbon, HCFC, polytetrafluoroethylene (PTFE), perfluoroalkoxy compound, fluorinated ethylene propylene (FEP), polytrifluorochloroethylene, ethene-tetrafluoro
One or more of group of ethene and ethene-fluorinated ethylene propylene (FEP) composition.
7. hydrophobicity bristles according to claim 1, it is characterised in that described to dredge compared to bristles overall weight
Water constituent contains 0.1 weight % to 50 weight %.
8. hydrophobicity bristles according to claim 1, it is characterised in that the bristles are the list containing hydrophobic ingredient
Rotating fields or sandwich construction, the sandwich construction are outer including inner core layers and around inner core layers and comprising hydrophobic ingredient
Portion's shell.
A kind of 9. hydrophobicity toothbrush of the hydrophobicity bristles including any one of claim 1 to 8.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2013-0004369 | 2013-01-15 | ||
| KR1020130004369A KR101906574B1 (en) | 2013-01-15 | 2013-01-15 | Water repellent bristles and toothbrush having the same |
| CN201480004811.7A CN104936480B (en) | 2013-01-15 | 2014-01-14 | It is a kind of that there is hydrophobic bristles and the toothbrush including it |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480004811.7A Division CN104936480B (en) | 2013-01-15 | 2014-01-14 | It is a kind of that there is hydrophobic bristles and the toothbrush including it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107713322A true CN107713322A (en) | 2018-02-23 |
| CN107713322B CN107713322B (en) | 2020-07-10 |
Family
ID=51209821
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480004811.7A Active CN104936480B (en) | 2013-01-15 | 2014-01-14 | It is a kind of that there is hydrophobic bristles and the toothbrush including it |
| CN201710929389.1A Active CN107713322B (en) | 2013-01-15 | 2014-01-14 | Toothbrush bristle with hydrophobicity and toothbrush comprising same |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480004811.7A Active CN104936480B (en) | 2013-01-15 | 2014-01-14 | It is a kind of that there is hydrophobic bristles and the toothbrush including it |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6430965B2 (en) |
| KR (1) | KR101906574B1 (en) |
| CN (2) | CN104936480B (en) |
| WO (1) | WO2014112769A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108926104A (en) * | 2018-07-13 | 2018-12-04 | 宋爱武 | A kind of toothbrush |
| CN110106705A (en) * | 2019-04-30 | 2019-08-09 | 石雅琴 | A kind of preparation method of bristles |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07222624A (en) * | 1994-02-16 | 1995-08-22 | Matsushita Electric Ind Co Ltd | Toothbrush |
| CN1981923A (en) * | 2005-12-13 | 2007-06-20 | 北京化工大学 | Material (F-LDH) with lyophobic function and its production |
| CN201070108Y (en) * | 2007-09-07 | 2008-06-11 | 邱洪晟 | Toothbrush with silica gel brush head |
| CN102497888A (en) * | 2009-07-31 | 2012-06-13 | 皇家飞利浦电子股份有限公司 | Perfluoro compounds for use in imaging |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5040193B1 (en) * | 1970-12-26 | 1975-12-22 | ||
| JP3083223B2 (en) * | 1993-09-22 | 2000-09-04 | 松下電器産業株式会社 | toothbrush |
| JP3523925B2 (en) * | 1994-12-28 | 2004-04-26 | ライオン株式会社 | Toothbrush and manufacturing method thereof |
| DE69720061T2 (en) * | 1996-07-19 | 2003-12-11 | Lkimex Co | TOOTHBRUSH |
| EP0985740A1 (en) * | 1998-09-07 | 2000-03-15 | The Procter & Gamble Company | Super hydrophobic coated substrates |
| JP3946549B2 (en) * | 2002-03-08 | 2007-07-18 | 日本バイリーン株式会社 | Water-repellent particle-carrying fiber, water-repellent particle-carrying fiber sheet, method for producing the same, and garment using the same |
| JP2003325231A (en) * | 2002-05-13 | 2003-11-18 | Yoshitaka Sato | Toothbrush |
| JP4374408B2 (en) | 2003-03-31 | 2009-12-02 | 東レ・モノフィラメント株式会社 | Toothbrush bristle material and toothbrush |
| JP2008038108A (en) * | 2006-08-10 | 2008-02-21 | F Tron:Kk | Fluorine-based composition |
| DE202012001097U1 (en) * | 2012-02-03 | 2012-03-06 | Sanithay Gmbh | Organic Toothbrush |
-
2013
- 2013-01-15 KR KR1020130004369A patent/KR101906574B1/en active IP Right Grant
-
2014
- 2014-01-14 CN CN201480004811.7A patent/CN104936480B/en active Active
- 2014-01-14 WO PCT/KR2014/000395 patent/WO2014112769A1/en active Application Filing
- 2014-01-14 CN CN201710929389.1A patent/CN107713322B/en active Active
- 2014-01-14 JP JP2015552588A patent/JP6430965B2/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07222624A (en) * | 1994-02-16 | 1995-08-22 | Matsushita Electric Ind Co Ltd | Toothbrush |
| CN1981923A (en) * | 2005-12-13 | 2007-06-20 | 北京化工大学 | Material (F-LDH) with lyophobic function and its production |
| CN201070108Y (en) * | 2007-09-07 | 2008-06-11 | 邱洪晟 | Toothbrush with silica gel brush head |
| CN102497888A (en) * | 2009-07-31 | 2012-06-13 | 皇家飞利浦电子股份有限公司 | Perfluoro compounds for use in imaging |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014112769A1 (en) | 2014-07-24 |
| KR20140092076A (en) | 2014-07-23 |
| KR101906574B1 (en) | 2018-10-10 |
| JP2016502907A (en) | 2016-02-01 |
| CN104936480A (en) | 2015-09-23 |
| CN107713322B (en) | 2020-07-10 |
| CN104936480B (en) | 2017-10-31 |
| JP6430965B2 (en) | 2018-11-28 |
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