JP2003088422A - Toothbrush and toothbrush housing case - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a toothbrush which is formed by adopting a resin mixture composed of a synthetic polymeric aliphatic biodegradable resin or polylactic biodegradable resin and a synthetic polymeric aliphatic biodegradable resin as material and is environmentally friendly and a toothbrush housing case. SOLUTION: The toothbrush formed by adopting the resin mixture composed of the synthetic polymeric aliphatic biodegradable resin 'Enpol (R)' or the polylactic biodegradable resin 'Lacty (R)' and the as all of the materials of the bristle head, handle and toothbrush housing case of the toothbrush and the toothbrush housing case.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toothbrush integrated with a handle part and a handle part using a synthetic polymer aliphatic biodegradable resin or a mixed resin of these resins and a polylactic acid biodegradable resin. The present invention also relates to an environment-friendly toothbrush and a toothbrush storage case in which the handle portion of the toothbrush includes a flocked portion and a handle portion, and the flocked portion includes a replaceable split type toothbrush and a toothbrush storage case.

[0002]

2. Description of the Related Art Conventional toothbrushes, whether for households or hotels, are made of petrochemical resin as the material for the handle and flock, so the incinerated fuel has a high calorific value when disposed of, which reduces global warming. It is a cause of environmental pollution. Also,
At present, the total annual production of toothbrushes in Japan is estimated to be 400 to 450 million even for general household use only, and this amount is discarded as garbage and incinerated or landfilled every year. The present condition is that the buried toothbrush remains in the soil semi-permanently without being decomposed.

[0003]

SUMMARY OF THE INVENTION The problem to be solved by the present invention is to use biodegradable resin instead of petrochemical resin for the material of the handle, flock and toothbrush storage case of the conventional toothbrush. As a result, less than half of the calories burned when incinerating petrochemical resins used as materials for conventional toothbrushes and toothbrush storage cases is eliminated, harmful gas is not generated, and harmful effects such as damage to the incinerator are reduced. Provided is a toothbrush and a toothbrush storage case that are decomposed when buried in the soil and take measures against environmental pollution and dust.

[0004]

In order to solve the above problems, as a material of the toothbrush and the toothbrush storage case of the present invention, (1) a synthetic polymer aliphatic biodegradable resin enpol made from petroleum as a raw material, or (2) A mixed resin of polylactic acid-based biodegradable resin lacti made from starch and synthetic polymer aliphatic biodegradable resin Empor made from petroleum is used. Occurred when the toothbrush and the toothbrush storage case of the present invention are disposed of by disposing of the above-described enpole or the mixed resin of the enpole and the lacty for the toothbrush, which is a conventional petrochemical resin. The damage to the incinerator is prevented, and if it is buried in the soil, it decomposes, so it is possible to completely prevent environmental pollution.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described based on examples.

[0006]

Example 1 The toothbrush according to claim 1 of the present invention is a synthetic polymer aliphatic biodegradable resin enpol made from petroleum as a raw material for all materials of the handle part of the toothbrush in which the bristles and the handle are integrated. It was adopted. This biodegradable resin, ENPOL, is an Ire Chemical company in Korea.
l Ltd. ) Product name Enpol (registered trademark Enp
ol). The main physical properties of ENPOL are its specific gravity of 1,22, melting temperature of 120 ° C, tensile strength of 40 kg / mm ^{2 and} elongation of 200%, and it has excellent heat resistance and rigidity as a toothbrush material. It is a product. In addition, it is a biodegradable resin that is decomposed by the action of microorganisms when buried in the soil.

[0007]

[Embodiment 2] The toothbrush according to claim 2 of the present invention is a biodegradable resin according to Embodiment 1, which is used for all materials of a split type handle toothbrush in which a bristle portion and a handle portion of the toothbrush are joined by known fitting. It is the one that employs the Empor.

[0008]

[Example 3] A toothbrush according to claim 3 of the present invention is a polylactic acid-based biodegradable resin lacti made of starch as a raw material for all materials of a handle part of which the bristles and handle are integrated, and Example 1 This is a mixture of biodegradable resin enpol. The above-mentioned biodegradable resin Lacty is a lactic acid-based biodegradable resin that is made from starch such as corn and is decomposed by bacteria after use, and is a product name of Shimadzu Corporation, Lacty. . The main physical properties of Lacti are: Specific gravity 1,25 Water absorption 0,24% Vicat softening point 60,6 ° C Tensile strength 6,53 kg / mm ² Burned calories 4580 Cal / g Mix ratio (volume) Lacty 90- 92% empol 8 to 10%, and by using a mixed resin of lacty and empol as the material of the toothbrush, it becomes excellent in heat resistance and strength.

[0009]

[Embodiment 4] A toothbrush storage case according to claim 4 of the present invention is a known cup case with a lid capable of storing a toothbrush, and adopts the biodegradable resin enpole of Embodiment 1 as its material. When brushing teeth in the known cup case with lid, open the lid of the cup case, take out the toothbrush, use it as a cup, and when you finish brushing, again,
It is a convenient toothbrush storage case that can be used as these cases.

[0010]

Industrial Applicability The synthetic polymer aliphatic biodegradable resin enpol made from petroleum or polylactic acid biodegradable resin lacty made from starch is used for all materials of the toothbrush and toothbrush storage case of the present invention. Adopting a mixed resin of ENPOL brings about the following excellent effects. 1. When incinerating toothbrushes and toothbrush storage cases, the incinerated calories can be reduced to less than half, prevent the generation of harmful gas, and reduce damage to the incinerator. 2. When the toothbrush and the toothbrush storage case are buried in the soil, the biodegradability is promoted, and the action of microorganisms and the like finally decomposes into carbon dioxide and water, which can prevent environmental pollution. 3. The toothbrush handle is a split-type toothbrush with a bristle section and a handle section.
Since the handle can be used any number of times, it has excellent waste reduction and economic efficiency.

Claims (4)

[Claims] 1. A toothbrush comprising a petroleum-based synthetic high molecular weight aliphatic biodegradable resin empol for the toothbrush handle and flock. 2. A toothbrush characterized in that a synthetic polymer aliphatic biodegradable resin made of petroleum is used to form a handle portion composed of a bristle portion and a handle portion of the toothbrush. 3. A handle part and a flock of a toothbrush are made of a mixed resin of polylactic acid-based biodegradable resin Lacty made of starch and synthetic polymer aliphatic biodegradable resin Empor made of petroleum. Characterized toothbrush. 4. A toothbrush accommodating case characterized in that a synthetic polymer aliphatic biodegradable resin enpole made of petroleum is used as a case accommodating the toothbrush according to claim 1, 2 or 3.