JP2009285340A - Cloth cleaner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain excellent cleaning performance for cloths without damaging the cloths. <P>SOLUTION: This cloth cleaner 10 includes a cloth cleaning part 11 formed of a sponge of soft urethane foam whose cell number is 8 to 15 per 25 mm. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a fabric cleaning tool and a fabric cleaning method using the same.

  When washing cloths such as clothing, it is common practice to wash the rubbing and stained parts with a detergent and rub them or put them into the washing machine after such washing. Is called.

Patent Documents 1 to 6 describe that it is common to apply a detergent to clothes and then scrub with hands or rub with a brush or sponge.
Japanese National Patent Publication No. 11-510714 Japanese National Patent Publication No. 11-503059 JP-A-11-169578 JP 2000-189689 A JP 2001-785 A JP 2001-257553 A

  However, the configurations of the laundry tools disclosed in Patent Documents 1 to 6 are not clear, and the current situation is that the sponge that can be used is only considered to be about the level of a dishwashing sponge.

  The object of the present invention is to obtain an excellent detergency for a fabric without damaging the fabric.

  The fabric cleaning tool of the present invention includes a fabric cleaning unit formed of a soft urethane foam sponge having 8 to 15 cells per 25 mm.

  In the method for cleaning a fabric of the present invention, a fabric to be cleaned is rubbed with a sponge of flexible urethane foam having a cell number of 8 to 15 per 25 mm with a detergent interposed.

  According to the present invention, when rubbing a fabric to be cleaned with a detergent, a soft urethane foam sponge having 8 to 15 cells per 25 mm is used, so that the fabric is not damaged. Excellent detergency can be obtained.

  Hereinafter, embodiments will be described in detail.

(Cloth cleaning tool)
FIG. 1 shows a fabric cleaning tool 10 according to the present embodiment.

  The fabric cleaning tool 10 is formed in a rectangular parallelepiped shape. This shape is preferable from the viewpoint of productivity. However, the shape of the fabric cleaning tool 10 is not limited to this, and may be formed in, for example, a cubic shape, a cylindrical shape, or an ellipsoid shape, or may be formed in an irregular shape. Good. For example, as shown in FIG. 2A, the shape may be a trapezoidal block shape in a plan view having a spire portion so that a force is easily applied to local dirt. As shown in (b), it may have a shape in which one upper edge in the width direction is chamfered in consideration of ease of holding.

  The size of the fabric cleaning tool 10 is preferably 7 to 15 cm in length, 5 to 10 cm in width, and 2 to 8 cm in thickness from the viewpoint of workability of the cleaning operation.

  The fabric cleaning tool 10 includes a fabric cleaning unit 11 provided on the lower side which is the fabric contact side, and a water absorption foaming unit 12 which is integrally attached to the upper side which is the opposite side to the fabric contact side with an adhesive or the like. It has the laminated structure provided with.

The cloth washing part 11 is a part that rubs the cloth to be washed with a detergent interposed, and is formed of a soft urethane foam sponge having 8 to 15 cells, preferably 10 to 15 cells per 25 mm. ing. When the number of cells is 8 to 15 per 25 mm, the skeleton forming the cells and the rigidity thereof are appropriate, so that excellent detergency can be obtained without damaging the fabric. Here, in this application, “soft urethane foam” refers to Keiji Iwata, “Polyurethane resin handbook” (first edition in 1987), Nikkan Kogyo Shimbun, p. 150-221 generally refers to a reversibly deformable foam having an open cell structure and exhibiting high air permeability. The physical properties of the flexible urethane foam are not particularly limited, but in general, the apparent density measured based on JIS K7222 is 10 to 100 kg / m ³ , and the elongation measured based on JIS K6400-5. The rate is in the range of 80 to 500%. The “sponge” refers to a porous sponge-like structure. Further, the number of cells can be measured based on JIS 6400-1 Appendix 1.

The flexible urethane foam forming the fabric washing part 11 preferably has a density of 20 to 50 kg / m ³ and an elongation of 80 to 300%, for example.

  The flexible urethane foam that forms the fabric washing unit 11 may be an ester-based one or an ether-based one.

  The fabric cleaning unit 11 preferably has a thickness of 2 to 70 mm, for example.

  The fabric cleaning unit 11 is a surface test having a concentration of 1000 ppm from a height of 20 mm above the plate test piece, using a dropper having a hole diameter of 1 mm on a plate test piece having a thickness of 50 mm and a thickness of 10 mm. When 3 g of the aqueous solution of the agent is dropped in 5 seconds, the liquid passage time until the amount of the aqueous solution that passes through the plate-shaped test piece reaches 1 g is 2.5 to 7.0 seconds and has a certain degree of liquid permeability. Is preferred.

  The fabric washing unit 11 preferably has a 25% compression load of 5 to 100 kPa, more preferably 10 to 70 kPa, and more preferably 20 to 50 kPa, based on ASTM D1056, from the viewpoint of detergency and usability. It is particularly preferred.

  The water-absorbing foaming part 12 is a part that retains water and a detergent aqueous solution when washing the fabric, and is a part that embeds air and foams the detergent aqueous solution to enhance the washing property by the fabric washing part 11. It is made of sponge.

The flexible urethane foam that forms the water-absorbing foaming part 12 has, for example, a density of 15 to 80 kg / m ³ and an elongation of 80 to 300%.

  The flexible urethane foam forming the water-absorbing foaming part 12 may be an ester-based one or an ether-based one.

  The flexible urethane foam sponge that forms the water-absorbing foaming part 12 is preferably 20 to 80 cells per 25 mm from the viewpoint of the retention of the water and the aqueous detergent solution and the foaming property, and 30 to 60 cells. It is more preferable that

  The water-absorbing foaming part 12 preferably has a certain degree of liquid passage through a liquid passage time of 8.0 seconds or more from the viewpoint of the retention of water and a detergent aqueous solution.

  It is preferable that the volume ratio of the fabric washing | cleaning part 11 and the water absorption foaming part 12 is fabric washing part 11 / water absorption foaming part 12 = 1 / 35-7 / 1.

  In the present embodiment, the fabric cleaning tool 10 having the fabric cleaning unit 11 and the water absorption foaming unit 12 is used. However, the present invention is not limited to this, and the fabric cleaning tool is configured only by the fabric cleaning unit. Also good. However, the configuration of the present embodiment is more preferable from the viewpoint of obtaining higher detergency by rubbing the fabric after the water and the aqueous detergent solution are sufficiently foamed. In addition, the fabric cleaning tool may be configured to have a sponge for other purposes, and may further include another member such as a plastic handle.

(Washing method for fabric)
In the fabric cleaning method according to the present embodiment, the fabric to be cleaned is interspersed with a detergent, and the fabric cleaning unit 11 of the fabric cleaning tool 10, that is, a soft urethane having 8 to 15 cells per 25 mm. It is rubbed with foam sponge.

  The cloth to be cleaned is not particularly limited, including general clothing, but the cloth cleaning method according to the present embodiment is particularly effective for removing stains on the collar, sleeves, and socks of a Y-shirt. .

  The detergent is not particularly limited, such as a solid detergent, a powder detergent, a paste detergent, a liquid detergent, etc. From the viewpoint of ease of application, it is preferable to use a paste detergent and a liquid detergent, From the viewpoint of easy confirmation of the coating amount, it is preferable to use a pasty detergent.

  The detergent used for washing may be used in an appropriate amount depending on the amount of textiles and water used, the degree of dirt, and the like.

  The washed fabric may be rinsed and then dried by squeezing water, or may be put into a washing machine and used for main washing.

  Examples will be described below.

(Detergent and fabric cleaning tool)
<Detergent>
Detergents A to E were prepared. Specifically, the detergents A to E are
Detergent A: soap for solid laundry (made by Miyoshi Soap Co., Ltd.)
○ Detergent B: Detergent for powder clothing (trade name: Attack, manufactured by Kao)
Detergent C: Paste detergent (fatty acid sodium 1 20.0% by mass, fatty acid sodium 2 5.0% by mass, fatty acid sodium 3 3.0% by mass, nonionic surfactant 1 1.2% by mass Nonionic surfactant 2 1.0% by mass, alkyl ether sulfate Na 7.4% by mass, amphoteric surfactant 1 0.8% by mass, amphoteric surfactant 2 1.0% by mass, sulfurous acid Sodium 0.1% by weight, sodium polyacrylate 10.0% by weight, viscosity modifier 1.0% by weight, solubility promoter 1 1.5% by weight, solubility promoter 2 0.5% by weight %, Solubility promoter 3 is 4.0% by mass, pH adjuster is 0.2% by mass, fragrance is 0.3% by mass, and water is 43.0% by mass using a universal stirrer. Obtained by mixing)
However,
・ Fatty acid sodium 1: Sodium oleate (trade name: Lunac OA, dry neutralized with sodium carbonate and finely crushed ・ Fatty acid sodium 2: sodium palmitate (trade name: Lunac P- 95, dry neutralized with sodium carbonate and finely crushed ・ Fatty acid sodium 3: Sodium palm oil fatty acid ・ Nonionic surfactant 1: Linear secondary alcohol ethoxylate having 12 to 14 carbon atoms (manufactured by Nippon Shokubai Co., Ltd.) Name: Softanol 70)
Nonionic surfactant 2: alkyl glucoside, dodecyl glucoside (sugar average condensation degree = 1.5)
-Alkyl ether sulfate Na: Block adduct with an average of 1.5 moles of ethylene oxide, an average of 2 moles of propylene oxide and an average of 0.4 moles of ethylene oxide in alcohol having 12 carbon atoms-Amphoteric surfactant 1: Dimethyllaurylamine oxide (Kaosha) Product name: Anhitole 20N, pure equivalent)
-Amphoteric surfactant 2: Lauryl (2-hydroxy-3-sulfopropyl) dimethylbetaine (trade name: Amhitoal 20HD, pure equivalent) manufactured by Kao Corporation
・ Sodium sulfite: manufactured by Wako Pure Chemical Industries, Ltd. ・ Sodium polyacrylate: manufactured by BASF Inc. Product name: SokalanPA 40 powder, average molecular weight 15000
・ Methylglycine diacetate tri-Na: manufactured by BASF Japan Ltd. Product name: Trilon M, pure amount equivalent ・ Viscosity modifier: Polypropylene glycol (product name: PPG-1000 manufactured by Asahi Glass Co., Ltd.)
-Solubility accelerator 1: Sodium p-toluenesulfonate-Solubility accelerator 2: Propylene glycol manufactured by Mitsui Chemicals Polyurethane Co., Ltd.-Solubility accelerator 3: Ethanol, pure equivalent amount-pH adjuster: 48 mass% sodium hydroxide aqueous solution, Pure amount equivalent / fragrance: A fragrance having a composition described in Examples of JP-A-8-239700.
Detergent D: Detergent for liquid clothing (trade name: Liquid Attack, manufactured by Kao Corporation)
Detergent E: Detergent for liquid dishes (trade name: Family Fresh, manufactured by Kao Corporation)
It is.

<Cloth cleaning tool>
Fabric cleaning tools 1-12 were prepared. Specifically, the fabric cleaning tools 1-12 are:
-Textile cleaning tool 1: Textile cleaning tool consisting only of a fabric cleaning part formed of a rectangular parallelepiped sponge (8) having a length of 120 mm, a width of 70 mm, and a thickness of 40 mm-Textile cleaning tool 2: Length 120 mm, width 70 mm , And a fabric cleaning tool composed only of a fabric cleaning portion formed of a rectangular parallelepiped sponge (10) having a thickness of 40 mm ○ Fabric cleaning tool 3: a rectangular parallelepiped sponge having a length of 120 mm, a width of 70 mm, and a thickness of 40 mm (13 ) Fabric cleaning tool consisting only of the fabric cleaning part formed in step ○ Fabric cleaning tool 4: Fabric consisting only of the cloth cleaning part formed of a rectangular parallelepiped sponge (15) having a length of 120 mm, a width of 70 mm and a thickness of 40 mm Cleaning tool ○ Cloth cleaning tool 5: Sponge having a thickness of 22 mm on the upper side of the cloth cleaning portion formed of a rectangular parallelepiped sponge (8) having a length of 120 mm, a width of 70 mm, and a thickness of 18 mm 20) The fabric cleaning tool in which the water-absorbing foaming part formed in step a) is affixed. ○ Fabric cleaning tool 6: The fabric cleaning section formed of a rectangular parallelepiped sponge (8) having a length of 120 mm, a width of 70 mm, and a thickness of 18 mm. A fabric cleaning tool in which a water-absorbing foaming part formed of a sponge (50) having a thickness of 22 mm is attached on the upper side of the cloth ○ Fabric cleaning tool 7: a rectangular parallelepiped sponge having a length of 120 mm, a width of 70 mm, and a thickness of 18 mm ( 8) A fabric cleaning tool in which a water-absorbing foaming portion formed of a sponge (80) having a thickness of 22 mm is pasted on the upper side of the fabric cleaning portion formed in 8). ○ Fabric cleaning tool 8: length 120 mm, width 70 mm, and A cloth cleaning tool in which a water-absorbing foaming part formed of a sponge (20) having a thickness of 22 mm is attached to the upper side of a cloth cleaning part formed of a rectangular parallelepiped sponge (13) having a thickness of 18 mm. : Length 120mm, width 70mm, and thickness A fabric cleaning tool in which a water-absorbing foaming part formed of a sponge (50) having a thickness of 22 mm is attached to the upper side of a cloth cleaning part formed of a 18 mm rectangular parallelepiped sponge (13) ○ Fabric cleaning tool 10: long A fabric in which a water-absorbing foaming portion formed of a sponge (80) having a thickness of 22 mm is attached to the upper side of a fabric cleaning portion formed of a rectangular parallelepiped sponge (13) having a thickness of 120 mm, a width of 70 mm, and a thickness of 18 mm Cleaning tool ○ Fabric cleaning tool 11: Fabric cleaning tool consisting of only a fabric cleaning part formed of a rectangular parallelepiped sponge (6) having a length of 120 mm, a width of 70 mm, and a thickness of 40 mm ○ Fabric cleaning tool 12: 120 mm in length This is a fabric cleaning tool composed of only a fabric cleaning portion formed of a rectangular parallelepiped sponge (20) having a width of 70 mm and a thickness of 40 mm.

Here, the sponge is specifically
Sponge (6): 6 cells per 25 mm, density 30 kg / m ³ , Polyester-based flexible urethane foam sponge sponge (8): 8 cells per 25 mm, density 30 kg / m ³ , 100% polyester flexible urethane foam sponge / sponge (10): 10 cells per 25 mm, density 30 kg / m ³ , polyester flexible urethane foam with 130% elongation Sponge Sponge (13): 13 cells per 25 mm, density 30 kg / m ³ , Polyester-based flexible urethane foam sponge sponge (15): 15 cells per 25 mm, density 30kg / ^{m 3,} a polyester type flexible polyurethane foam sponge Su elongation is 150% Nji (20): 20 per number of cells 25 mm, density 30kg / ^{m 3,} sponge sponge (50) of the polyester type flexible polyurethane foam elongation is 150%: 50 per number of cells is 25 mm, density 30kg / m ³ , Polyester flexible urethane foam sponge / sponge (80) with an elongation of 200%: 80 cells / 25 mm, density 75 kg / m ³ , polyester flexible urethane foam with an elongation of 200% It is a sponge.

(Test evaluation method)
<Water retention>
For each of the fabric cleaning tools 1 to 12, a 6 g area was cut out to make a test piece, and the mass (g) after water absorption after it was put into water and pulled up from the water was measured. The amount obtained by subtracting the mass (6 g) was taken as the amount of water absorption (g). And the water retention is expressed by the following formula: Water retention = Water absorption (g) / Mass before water absorption (6 g)
Calculated by

<Foamability>
About each of the cloth cleaning tools 1-12, after cutting out into a shape of length 120mm, width 70mm, and thickness 40mm to make a test piece, 3g of detergent C was apply | coated to it and water was fully acclimatized, it was 20 by hand. I'm sorry. The following criteria for foaming property ○: Foam expands to the extent that it falls down between the fingers and the finger △: Foam protrudes from between the fingers, but does not foam enough to fall × : Evaluation was made based on the fact that bubbles do not protrude between fingers.

<Detergency>
Example 1
40L of used water described in JIS K3362: 1998 is placed in the washing tub of a fully automatic two-tank washing machine (Toshiba Galaxy 3.6), and 30 pairs of new socks (manufactured by Gunze Co., Ltd., trade name: Support & Clean ( Cotton, acrylic, polyester, polyurethane)) was added, and 53 g (anhydrous equivalent) of an indicator detergent for cleaning power determination (no addition of a fluorescent brightener) described in JIS K3362: 1998 was further added thereto. Then, after 10 minutes of washing, 1 minute of dewatering, rinsing with running water at an amount of 15 L / min for 8 minutes, and 5 minutes of dewatering, they were naturally dried indoors. This was repeated for 5 cycles.

  Distribute the above socks to 10 elementary and junior high school students and wear them for one day. Among the collected socks, select 6 pairs (12) of the ones with a lot of dirt and the same left and right dirt. Among them, 6 sheets in the left half were used as a sock-stained cloth for pre-washing, and 6 sheets in the right half were used as a sock-stained cloth for blanks, which were used for the test evaluation of the detergency.

  40 L of water described in JIS K3362: 1998 is placed in a washing tub of an automatic two-tank washing machine (Toshiba Galaxy 3.6), and 1.4 kg of cotton underwear and 0.6 kg of cotton / A polyester blend non-wearing shirt was put in, and 53 g (anhydrous equivalent) of an indicator detergent for cleaning power determination (no addition of a fluorescent brightener) described in JIS K3362: 1998 was further added thereto.

  After applying detergent C3g to a washing sponge and foaming with an appropriate amount of water, using the fabric cleaning tool 1, scrub the socks dirty cloth placed on the stainless steel wash basin for 1 minute per sheet. went.

  Put 6 socks soiled cloth (2 each of 3 stages of dirt) pre-washed into the washing tub and wash normally for 10 minutes, then dehydrate for 1 minute and rinse with running water at 15 L / min 8 For 5 minutes and then dehydrated indoors.

Then, a pair of socks soiled cloth that has been washed normally for 10 minutes without washing pretreatment is compared with a blank, and a pair of eyes are compared visually. ○: Slightly less dirt than the blank in all three levels of dirt △: Almost no difference from the blank in all three levels of dirt ×: All three levels of dirt are less dirty than the blank Rated by inferiority.

  This was designated Example 1.

-Examples 2-17 and Comparative Examples 1 and 2-
Similarly, the combination of the detergent C and the fabric cleaning tool 2 is Example 2, the combination of the detergent C and the fabric cleaning tool 3 is Example 3, the combination of the detergent C and the fabric cleaning tool 4 is Example 4, and the detergent C The combination of the detergent 5 and the fabric cleaner 5 in Example 5, the combination of the detergent C and the fabric cleaner 6 in Example 6, the combination of the detergent C and the fabric cleaner 7 in Example 7, the detergent C and the fabric cleaner 8 Example 8 for combination of detergent C and fabric cleaning tool 9 Example 9 for combination of detergent C and fabric cleaning tool 10 Example 10 for combination of no detergent and fabric cleaning tool 3 Example 11, the combination of no detergent and the fabric cleaner 9 is Example 12, the combination of the detergent C and the fabric cleaner 11 is Comparative Example 1, and the combination of the detergent C and the fabric cleaner 12 is Comparative Example 2. .

  Further, the combination of the detergent A and the fabric cleaning tool 9 is Example 13, the combination of the detergent B and the fabric cleaning tool 9 is Example 14, and the combination of the detergent C and the fabric cleaning tool 9 is Example 15 (Example 9). The combination of the detergent D and the fabric cleaning tool 9 is Example 16, and the combination of the detergent E and the fabric cleaning tool 9 is Example 17.

<Cloth damage>
For each of the above Examples 1 to 17 and Comparative Examples 1 and 2, the fabric damage resistance was evaluated by the following criteria. ○: No fabric damage Δ: The fabric surface was slightly fluffy ×: The fabric surface was very fluffy .

(Test evaluation results)
The test results are shown in Tables 1 and 2.

  According to Tables 1 and 2, the water retention is 4.5 for the fabric cleaner 1, 6.5 for the fabric cleaner 2, 8.6 for the fabric cleaner 3, 10.2 for the fabric cleaner 4, and the fabric cleaner Tool 5 is 12.1, Fabric Cleaning Tool 6 is 16.9, Fabric Cleaning Tool 7 is 28.5, Fabric Cleaning Tool 8 is 12.9, Fabric Cleaning Tool 9 is 17.8, and Fabric Cleaning Tool 10 is 29. 7, the fabric cleaner 11 was 1.8, and the fabric cleaner 12 was 13.4.

  As for foaming property, the cloth cleaning tools 2 to 10 and 12 were ◯, the fabric cleaning tool 1 was Δ, and the cloth cleaning tool 11 was ×.

  The cleaning properties of Examples 1 to 3, 5 to 10, and 13 to 17 were 実 施, Example 4 and Comparative Example 1 were ○, Examples 11 and 12 were Δ, and Comparative Example 2 was ×.

  The fabric damage resistance was Δ in Example 1, ○ in Examples 2 to 17 and Comparative Example 2, and x in Comparative Example 1.

  The present invention relates to a fabric cleaning tool and a fabric cleaning method using the same.

It is a perspective view of a cloth cleaning tool. (A) And (b) is a perspective view of the modification of a fabric cleaning tool.

Explanation of symbols

10 Cloth cleaning tool 11 Cloth cleaning part 12 Water absorption foaming part

Claims (3)

  A fabric cleaning tool provided with a fabric cleaning section formed of a sponge of soft urethane foam having a cell number of 8 to 15 per 25 mm.   The water-absorbing foaming part of Claim 1 further provided with the sponge of the flexible urethane foam which is affixed on the opposite side to the fabric contact side of the said fabric washing | cleaning part, and whose number of cells is 20-80 per 25mm. Cloth cleaning tool.   A method of cleaning a fabric to be rubbed with a soft urethane foam sponge having a cell number of 8 to 15 per 25 mm with a detergent interposed.

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