JP5290650B2 - Feathers, feather products and feather or duvet side treatment - Google Patents

Description

  The present invention relates to a feather carrying platinum nanoparticles, a feather product filled with the feather, and a feather or duvet side treating agent used for carrying on a feather or duvet side.

  For feather products, especially feathers filled in duvets, waterfowl feathers such as goose (duck), duck (duck), Eider (wild duck) inhabit the arctic coastline are generally used ing. There are two types of feathers: down, which corresponds to the chest, and feathers called feathers, both of which are used in feather products. Feathers are produced in Central Europe such as Poland and Hungary, Northern Europe including the Scandinavian Peninsula, and China. Feathers are highly bulky and occupy a high-class material status as a comforter filling. Insufficient washing of feathers can cause odors, so it is required to remove the filth that causes odors in advance and to maintain the cleanliness and oxygen count at a certain level by checking the degree of washing of the feathers. .

  Duvet side fabrics, and sometimes duvet side fabrics for duvets, can easily escape from the gaps at the intersections of warp and weft yarns in the fabric structure. Processing has been taken.

In the colloid of platinum, the platinum nanoparticles are present as a suspension having a particle size of 1 to 100 nm (nanometer) in a state surrounded by the protective agent (hereinafter referred to as binding between the nanoparticles and the surrounding protective agent). The body is sometimes referred to as a colloidal liquid), and is known to be used as a fuel cell catalyst or an automobile exhaust gas treatment catalyst (Patent Document 1). Since these platinum nanoparticles are reducible, there is also a proposal to mix them with cosmetics by paying attention to reduction of active oxygen and antioxidative action (Patent Documents 2 and 3). In addition, as an application of platinum nanoparticles to fibers, there is also a proposal in which platinum nanoparticles are contained in cellulose fibers (Patent Document 4).
JP 2004-263222 A JP 2005-139102 A WO2005 / 018598 JP 2005-245258 A

  Conventionally, no attempt has been made to support platinum nanoparticles while keeping cleanliness and oxygen counts at a certain level on a feather filled in a duvet. In addition, no attempt has been made to support platinum nanoparticles on the futon side.

  The present invention provides feathers carrying platinum nanoparticles while maintaining cleanliness and oxygen count at a certain level and having antioxidant properties, and feather products filled with the feathers. In addition, the present invention provides a duvet filled with the above-mentioned feathers inside a duvet side that carries platinum nanoparticles and has an antioxidant performance. Furthermore, the present invention provides a treating agent for feather or duvet side material carried on the feather or duvet side material.

  Initially, the present inventors have obtained feathers having antioxidant properties by carrying platinum nanoparticles on the feathers, but can obtain satisfactory values regarding cleanliness and oxygen count, which is a measure of the degree of cleanliness of the feathers. I could not. Therefore, as a result of earnest research, we focused on the blending ratio of platinum nanoparticles and protective agents that protect them, and found that depending on the blending ratio, they have antioxidant properties while maintaining the cleanliness and oxygen count at a certain level. To the present invention. Moreover, in order to maintain a cleanliness and oxygen count at a fixed level, it discovered that the compounding ratio of a platinum nanoparticle and a protective agent differed with the kind of protective agent. Moreover, it discovered that the processing agent used suitably for a feather can be applied suitably also to a futon side place, and has antioxidant property.

  That is, the feather of the present invention is a feather carrying platinum nanoparticles protected with a water-soluble polymer and / or surfactant, and the blending ratio of the platinum nanoparticles to the water-soluble polymer and / or surfactant is The platinum nanoparticle: water-soluble polymer and / or surfactant = 1: 0.2 to 1: 1.5 in terms of mass ratio.

  Further, the feather of the present invention is a feather carrying platinum nanoparticles protected with citrate, and the mixing ratio of the platinum nanoparticles and citrate is platinum nanoparticles: citrate = 1. : 0.2 to 1:35.

  The feather product of the present invention is characterized in that the feather is filled inside the product.

  The duvet of the present invention is characterized in that the duvet is filled inside the duvet side.

  Moreover, the duvet of the present invention contains platinum nanoparticles protected with at least one protective agent selected from the group consisting of a water-soluble polymer, a surfactant and a citrate, and the platinum nanoparticles and the protective agent The above-mentioned present invention is applied to the futon side supporting the platinum nanoparticles by using the futon side treating agent having a blending ratio of mass ratio of platinum nanoparticles: protective agent = 1: 0.2 to 1:35. It is characterized by being filled with feathers.

The feather or futon side treatment agent of the present invention is a treatment agent used for supporting platinum nanoparticles on a feather, and the platinum nanoparticles in the treatment agent include a water-soluble polymer, a surfactant and a quencher. Protected with at least one protective agent selected from the group consisting of acid salts, and the water-soluble polymer consists of polyvinylpyrrolidone, polyvinyl alcohol, polyacrylate, polyacrylic acid, cyclodextrin, aminopectin and methylcellulose It is 1 or more types chosen from a group, and the compounding ratio of the said platinum nanoparticle and a protective agent is platinum nanoparticle: protective agent = 1: 0.2-1: 35 by mass ratio, It is characterized by the above-mentioned.

  The feather of the present invention carries platinum nanoparticles with a blending ratio of a water-soluble polymer and / or surfactant or citrate that protects platinum nanoparticles within a predetermined range, thereby achieving cleanliness (cleanliness) ) And oxygen count (the amount of oxygen necessary to chemically oxidize contaminated organic substances with an oxidant) can be kept at a good level, and the feathers can be made antioxidant.

  The feather product of the present invention can be expected to have an effect of decomposing active oxygen and free radicals, which are said to adversely affect the body from the air layer around the body, by filling the feather with the inside of the product. If platinum nanoparticles are supported on the product itself filled with feathers, the effect can be further enhanced.

  The duvet of the present invention is filled with feathers carrying platinum nanoparticles in the side of the duvet, or the feathers carrying platinum nanoparticles are composed of a water-soluble polymer, surfactant and citrate in a predetermined blending ratio. By filling the inside of the futon side supporting platinum nanoparticles protected with at least one protective agent selected from the group, it has antioxidative performance and has the effect of decomposing active oxygen and free radicals in the contacted body part I can expect.

  The feather or duvet side treatment agent of the present invention is at least one protective agent selected from the group consisting of a water-soluble polymer, a surfactant and a citrate in a predetermined blending ratio regardless of the presence or absence of a binder resin. It contains protected platinum nanoparticles and can impart excellent antioxidant performance to feathers or duvet side.

  The platinum nanoparticles used in the present invention are provided, for example, by the method described in WO 2005/018598, and the average particle diameter is preferably 1 to 5 nm, more preferably 1 to 3 nm. And 1.5 to 2.5 nm is particularly preferable. Moreover, it is preferable that the particle size of 90 mass% or more of platinum nanoparticles falls within the range of 0.1 to 10 nm, and more preferably within the range of 1 to 3 nm. Thus, when the particle size distribution of the platinum nanoparticles is narrow and the average particle size is in the range of 1 to 5 nm, the proportion of the platinum nanoparticles is high and the antioxidant property is good. Further, when it is carried on the feather, it can be carried directly on the feather surface without the binder resin.

  The feathers carrying the platinum nanoparticles of the present invention have antioxidant properties. The method for measuring antioxidant properties will be described later. When the feathers of the present invention have antioxidant properties, it is presumed that they exhibit a preferable antioxidant effect on the human body as in the cosmetics proposed in Patent Documents 2 to 3. It can also be expected to suppress the deterioration of the feather itself. Furthermore, since the platinum nanoparticles function catalytically, they can be used for a long time.

  The feathers of the present invention preferably have a cleanliness specified by JIS L 1903 “feather test method” of 500 mm or more and an oxygen count of 4.8 mg or less. In order to obtain such feathers, it is necessary to first remove the contaminants or contaminants by washing the feathers with water. At this time, care must be taken not to completely remove the oil on the feather surface. In addition, since antibacterial agents and antistatic agents may be added to the feather products, it is preferable that the cleanliness is high as a whole and the oxygen count is low considering these factors.

  The present inventors have found that the blending ratio of platinum nanoparticles and their protective agents affects the cleanliness and oxygen count. That is, when a water-soluble polymer and / or a surfactant is used as a protective agent, the blending ratio of platinum nanoparticles and the water-soluble polymer and / or surfactant is a mass ratio of platinum nanoparticles: water-soluble. Polymer and / or surfactant = 1: 0.2 to 1: 1.5 is preferable. More preferably, it is platinum nanoparticle: water-soluble polymer and / or surfactant = 1: 0.3-1: 1. If it is the said range, the effect of this invention can be exhibited more favorably. When the blending ratio of the platinum nanoparticles and the water-soluble polymer and / or surfactant exceeds 1.5, the cleanliness is lowered and the oxygen count is increased. On the other hand, when the blending ratio of the platinum nanoparticles and the water-soluble polymer and / or the surfactant is less than 0.2, the colloid is not stable, and aggregation / precipitation of the platinum nanoparticles is likely to occur.

  A water-soluble polymer and / or a surfactant is used as a protective agent for the platinum nanoparticles. These serve to improve the solvophilicity of platinum. Examples of the water-soluble polymer include polyvinyl pyrrolidone, polyvinyl alcohol, polyacrylate, polyacrylic acid, cyclodextrin, aminopectin, and methylcellulose. Two or more of these may be used in combination. Of these, polyvinylpyrrolidone, polyacrylate, polyacrylic acid and the like are preferable. A surfactant such as a thiol-based protective agent can also be used.

  The inventors have also found that in order to maintain the cleanliness of feathers and the oxygen count at a certain level, the blending ratio of the platinum nanoparticles and the protective agent varies depending on the type of the protective agent for the platinum nanoparticles.

  It has been found that if citrate is used as a protective agent for platinum nanoparticles, the compounding ratio of platinum nanoparticles and citrate can be widened. That is, in the case where platinum nanoparticles using citrate as a protective agent are supported on the feathers, the mixing ratio of platinum nanoparticles to citrate is platinum nanoparticle: citrate = 1: 0. It may be 2 to 1:35, and it is preferable that platinum nanoparticles: citrate = 1: 20 to 1:30. If it is the said range, the effect of this invention can be exhibited more favorably. When the blending ratio of platinum nanoparticles and citrate exceeds 35, the cleanliness is lowered and the oxygen count is increased. On the other hand, when the blending ratio of platinum nanoparticles and citrate is less than 0.2, the colloid is not stable, and the aggregation and precipitation of the platinum nanoparticles is likely to occur.

  In the present invention, for example, (1) a method in which a dispersion liquid in which platinum nanoparticles are dispersed is applied to the feathers by spraying and drying, and (2) the platinum nanoparticles are dispersed. A method may be used in which feathers are immersed in the dispersion, and then squeezed with a mangle or the like so as to obtain a desired loading amount and then dried. It is preferable that the average particle diameter of the platinum nanoparticles is in the range of 1 to 5 nm because the platinum nanoparticles can be directly supported on the feather surface without using a binder resin.

  Furthermore, if platinum nanoparticles are used dispersed in a binder resin, when the feathers carrying platinum nanoparticles are filled into the duvet side and used as a duvet, the washing durability in the case of circular washing of the futon is improved. Can be increased.

  As the binder resin, a known binder resin can be used by selecting the amount used within a range that does not impair the cleanliness of feathers, the oxygen count, and the bulkiness. For example, acrylic resins, soft acrylic resins, urethane resins, polyester resins, polyamide resins, silicone resins, and fluorine resins can be used.

  In the above, the amount of platinum nanoparticles supported is not particularly limited, but is preferably 20 to 90 μg per 1 kg of feathers. More preferably, the supported amount is 20 to 60 μg. When the loading amount is in the above range, the effect of the present invention can be further improved. When the supported amount of platinum nanoparticles is less than 20 μg, the antioxidant effect is insufficient, and when the supported amount of platinum nanoparticles exceeds 90 μg, it is disadvantageous in terms of cost, or cleanliness and oxygen count tend to deteriorate. is there.

  Examples of the feather product of the present invention include heat insulation products using feathers, bedding bedding such as futons and pillows, and cold clothes such as down jackets and down vests.

  In the case of a duvet, it is obtained by filling the duvet side with the feather. The futon side land may be a known side land used for a duvet, but may be a side land carrying platinum nanoparticles. Since the treatment agent suitably used for the feathers of the present invention can be applied to the futon side, and has antioxidation performance, as the futon side, by using the futon side carrying the platinum nanoparticles described later, Antioxidant performance is improved, and active oxygen and free radicals in contacted body parts can be decomposed, which is preferable. For example, when the above-mentioned feathers are filled into the duvet side to form a single-placing duvet, the size of the duvet side is 150 cm × 210 cm, and the filling amount is 1.0 to 1.5 kg / sheet. The thickness of the obtained duvet is about 12 to 14 cm.

  That is, the duvet of the present invention is on a duvet side where platinum nanoparticles protected by at least one protective agent selected from the group consisting of the above water-soluble polymer, surfactant and citrate are supported. It is preferable that it is filled. The futon side land is not particularly limited as long as it is normally used as the futon side land. Moreover, when using a futon side place as a duvet side place, it is required that the feather does not blow out.

The general air permeability of the futon side measured according to the JIS L 1096 A method (Fragile type method) is 3 cc / cm ² / sec or less. A futon side with excellent breathability and soft texture can be obtained. In addition, it is preferable that the air permeability is high as long as feathers are not lost.

  Platinum nanoparticles and a water-soluble polymer when a water-soluble polymer and / or a surfactant is used as a protective agent for platinum nanoparticles in the treatment agent for a futon side used for supporting the above-mentioned futon side In addition, the mixing ratio of the surfactant is preferably a mass ratio of platinum nanoparticles: water-soluble polymer and / or surfactant = 1: 0.2 to 1: 1.5. If it is in said range, aggregation and precipitation of platinum nanoparticle will not occur easily, it will be easy to carry on the futon side, and it will be possible to impart excellent antioxidant properties.

  Moreover, when using citrate as a protective agent for platinum nanoparticles in the treatment agent used for supporting the futon side, the mixing ratio of platinum nanoparticles and citrate is a mass ratio, It is preferable that it is platinum nanoparticle: citrate = 1: 20-1: 35. If it is in said range, aggregation and precipitation of platinum nanoparticle will not occur easily, it will be easy to carry on the futon side, and it will be possible to impart excellent antioxidant properties. If it is the said range, the effect of this invention can be exhibited more favorably.

  In the present invention, for example, a spray processing method or a pad dry method can be used as a method for supporting platinum nanoparticles on the futon side.

  Furthermore, if the platinum nanoparticles are dispersed in a binder resin, the durability of washing at the time of circular washing of the futon using the futon side surface carrying the platinum nanoparticles can be improved.

  As a binder resin, a well-known binder resin can be used by selecting the usage-amount in the range which does not inhibit air permeability. For example, acrylic resin, urethane resin, polyester resin, polyamide resin, and silicone resin can be used.

In the above, the amount of platinum nanoparticles supported is not particularly limited, but is preferably ²⁰ to 90 μg with respect to 1 m ^{2 of} the futon side. When the loading amount is in the above range, the effect of the present invention can be further improved. When the supported amount of platinum nanoparticles is less than 20 μg, the antioxidant effect is insufficient, and when the supported amount of platinum nanoparticles exceeds 90 μg, the cost is very disadvantageous.

  As described above, the platinum nanoparticles protected with at least one protective agent selected from the group consisting of a water-soluble polymer, a surfactant, and a citrate having a predetermined blending ratio are treated with feathers and / or futon side treatment agents. The platinum nanoparticles can be supported on the feathers and / or the futon side, and excellent antioxidant performance can be imparted to the feathers and / or the futon side. The treatment agent can also be used as a treatment agent for other bedding products, for example, futon covers, pillow covers, sheets, and the like, and can impart excellent antioxidant performance to them.

  Hereinafter, the present invention will be described more specifically with reference to examples. In addition, this invention is not limited to the following Example.

1. Cleanliness Measured according to JIS L 1903 “Feather Test Method”. If the cleanliness was 500 mm or more, it was judged acceptable.
2. Oxygen count Measured in accordance with JIS L 1903 “Feather test method”. If the oxygen count was 4.8 mg or less, it was judged acceptable.
3. Antioxidant It is known that the method using a DPPH radical reagent is highly convenient when analyzing antioxidative properties in vitro (in vitro). It can also be measured by the H ₂ O ₂ method. In the present invention, the antioxidant property was measured by the DPPH method.
4). The air permeability was measured in accordance with the provisions of JIS L 1096 A method (Fragile type method). The air permeability is 3 cc / cm ² / sec or less.

In the present invention, a 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging method was devised and used. The measurement procedure is as follows.
(1) Preparation of DPPH radical test solution After 5 ml of methanol and 5 ml of ethanol were collected and mixed, DPPH was added to obtain a 25 μM (micromol) DPPH radical test solution. The obtained DPPH radical test solution is purple.
(2) In the case of feathers, 0.1 g each of processed and unprocessed feathers is collected in a colorimetric tube (or test tube). In the case of a futon side, a 5 cm × 5 cm futon side is collected in a colorimetric tube (or test tube). The number of samples is n = 2.
(3) Inject 10 ml of DPPH radical test solution into the above colorimetric tube.
(4) After sealing the upper part, shake it well and leave it to stand. Observe the color of the liquid with occasional shaking. If the radicals decrease, the purple color becomes lighter and the yellowness increases.
(5) If purple color became light and yellowish color increased and clear color difference could be confirmed between processed and unprocessed feathers, it was determined that antioxidant DPPH radical scavenging ability was present (within 24 hours).

Example 1
(1) Platinum nanoparticle As a platinum nanocolloid liquid, the brand name "DX-9040" was prepared. This is a platinum nanocolloid solution having an average particle diameter of platinum nanoparticles of 2 nm (determined by an electron microscope (SEM) photograph), and polyvinylpyrrolidone as a protective agent is blended in a mass ratio of 0.5 with respect to the platinum nanoparticles 1. It is a thing. Further, when preparing the platinum nanocolloid, the platinum nanocolloid is purified so as not to leave nitrate radicals, and the pH is neutral and free of ionic substances. The property was a light black liquid and was easily soluble in water. The concentration of the platinum nanoparticles was 10 ppm.
(2) Loading onto feathers As white feathers, Canadian white down 95% by mass was prepared. The feathers are washed with water and dried to remove contaminants. The feather itself had a cleanliness of 1000 mm and an oxygen count of 0 mg. An acrylic resin as a binder (“High Resin TS-1686” manufactured by Takamatsu Yushi Co., Ltd., 3 g for 1 kg of feathers) so that the platinum nanoparticles have a dry mass of 20 μg, 60 μg, 80 μg, and 90 μg, respectively, per 1 kg of the feathers. The dispersion mixed with was supported by a spray and dried.

  The evaluation results of the obtained feather are shown in Table 1 below.

  As can be seen from Table 1, the feather of Example 1 of the present invention passed all of cleanliness, oxygen count, and antioxidant properties. The feathers were filled into a duvet side (size: 150 cm × 210 cm) to form a hanging duvet. The feather filling amount was 1.2 kg / sheet. The thickness of the obtained duvet was 12 cm, which was the same as that without platinum nanoparticles. Moreover, when the wearing test was actually carried out, the sleeping comfort was equivalent to that in which platinum nanoparticles were not supported.

(Example 2)
The support to platinum nanoparticles and feathers was the same as in Example 1, except that a liquid not mixed with an acrylic resin was used as a binder.

  The evaluation results of the obtained feather are shown in Table 2 below.

  As can be seen from Table 2, the feather of Example 2 of the present invention passed all of cleanliness, oxygen count, and antioxidant properties. The feathers were filled into a duvet side (size: 150 cm × 210 cm) to form a hanging duvet. The feather filling amount was 1.2 kg / sheet. The thickness of the obtained duvet was 12 cm, which was the same as that without platinum nanoparticles. Moreover, when the wearing test was actually carried out, the sleeping comfort was equivalent to that which did not carry platinum nanoparticles.

(Example 3)
(1) Platinum Nanoparticles As a platinum nanocolloid liquid, a trade name “DX-8030S” was prepared. This is a platinum nanocolloid liquid in which the average particle diameter of platinum nanoparticles is 2 nm (determined by an electron microscope (SEM) photograph), and polyacrylic acid is used as a protective agent in a mass ratio of 0.5 to the platinum nanoparticles 1. It is a blend. The pH is neutral and free of ionic substances. The property was a light black liquid and was easily soluble in water. The concentration of the platinum nanoparticles was 20 ppm.
(2) Loading onto feathers As white feathers, Canadian white down 95% by mass was prepared. The feathers are washed with water and dried to remove contaminants. The feather itself had a cleanliness of 1000 mm and an oxygen count of 0 mg. A dispersion without a binder was supported by a spray so that the platinum nanoparticles had a dry mass of 20 μg and 40 μg, respectively, per 1 kg of feathers and dried.

  The evaluation results of the obtained feather are shown in Table 3 below.

  As can be seen from Table 3, the feather of Example 3 of the present invention passed all cleanliness, oxygen count, and antioxidant properties. The feathers were filled into a duvet side (size: 150 cm × 210 cm) to form a hanging duvet. The feather filling amount was 1.2 kg / sheet. The thickness of the obtained duvet was 12 cm, which was the same as that without platinum nanoparticles. Moreover, when the wearing test was actually carried out, the sleeping comfort was equivalent to that in which platinum nanoparticles were not supported.

Example 4
(1) Platinum nanoparticle As a platinum nanocolloid liquid, the brand name "DX-8030V" was prepared. This is a platinum nanocolloid solution having a particle size of platinum nanoparticles of 2 nm to 10 nm (determined by an electron microscope (SEM) photograph), and contains 20 citrates in a mass ratio of sodium citrate as a protective agent. It is a thing. There are no ionic substances. The property was a black liquid and was easily soluble in water. The concentration of the platinum nanoparticles was 10 ppm.
(2) Loading onto feathers As white feathers, Canadian white down 95% by mass was prepared. The feathers are washed with water and dried to remove contaminants. The feather itself had a cleanliness of 1000 mm and an oxygen count of 0 mg. A dispersion without a binder was supported by a spray so that the platinum nanoparticles had a dry mass of 20 μg, 40 μg, and 60 μg, respectively, per 1 kg of feathers, and dried.

  The evaluation results of the obtained feather are shown in Table 4 below.

  As can be seen from Table 4, the feather of Example 4 of the present invention passed all of cleanliness, oxygen count, and antioxidant properties. The feathers were filled into a duvet side (size: 150 cm × 210 cm) to form a hanging duvet. The feather filling amount was 1.2 kg / sheet. The thickness of the obtained duvet was 12 cm, which was the same as that without platinum nanoparticles. Moreover, when the wearing test was actually carried out, the sleeping comfort was equivalent to that which did not carry platinum nanoparticles.

(Example 5)
(1) Platinum Nanoparticles As a platinum nanocolloid liquid, a trade name “DX-8030S” was prepared as in Example 3.
(2) Carrying on the futon side fabric As the futon side fabric, 60 satin woven fabric (warp, weft: cotton count 60, warp density: 200 / 本, weft density: 164 / 吋, width: 68 吋, basis weight: 140 g / m ² ) was prepared, pretreated in a normal dyeing process, and dyed. After dyeing, platinum nanoparticles were supported on the futon side. The usual pad dry method was adopted as the method. Specifically, the fabric for the futon side is added to a dispersion liquid containing platinum nanoparticles, a fixing agent, a softening agent, and a soft acrylic resin (trade name “DB-134”, an OEM product manufactured by Daiwabo Noi Co., Ltd.) as a binder. After dipping, the water is squeezed at a squeezing rate of 70% and dried at a temperature of about 140 ° C. The amount of platinum nanoparticles supported was adjusted so that the dry weight of the platinum nanoparticles was 20 μg, 30 μg, and 40 μg, respectively, with respect to 1 m ^{2 of the} futon side. Then, the heat calendar process was performed. As a result, a clogging effect can be obtained effectively.

  The evaluation results of the obtained futon side are shown in Table 5 below.

(3) Creation of a duvet A feather duvet for filling was made by filling the inside of the obtained duvet side (size: 150 cm × 210 cm) with feathers. The feather filling amount was 1.2 kg / sheet. The thickness of the obtained duvet was 12 cm. Moreover, when the wearing test was actually carried out, the sleeping comfort was the same as that without the platinum nanoparticles.

(Comparative Example 1)
(1) Platinum nanoparticle As a platinum nanocolloid liquid, the brand name "DX-8080T" was prepared. This is a platinum nanocolloid liquid in which the average particle diameter of platinum nanoparticles is 2 nm (determined by an electron microscope (SEM) photograph), and polyacrylic acid as a protective agent is blended in two with respect to the platinum nanoparticles 1 by mass ratio. Is. The property was a light black liquid and was easily soluble in water. The concentration of the platinum nanoparticles was 20 ppm.
(2) Loading onto feathers As white feathers, Canadian white down 95% by mass was prepared. The feathers are washed with water and dried to remove contaminants. The feather itself had a cleanliness of 1000 mm and an oxygen count of 0 mg. Dispersion in which 1 kg of feathers are mixed with acrylic resin (High Resin TS-1686 made by Takamatsu Yushi Co., Ltd., 10 g for 1 kg of feathers) as a binder so that the platinum nanoparticles have a dry mass of 60 μg, 80 μg and 90 μg, respectively. The liquid was supported by a spray and dried.

  The evaluation results of the obtained feather are shown in Table 6 below.

  As can be seen from Table 6, the feather of Comparative Example 1 passed the antioxidant property, but failed either the cleanliness, the oxygen count, or both.

(Comparative Example 2)
The only difference was that a liquid in which an acrylic resin was not mixed as a binder was used, and the loading on platinum nanoparticles and feathers was the same as in Comparative Example 1.

  The evaluation results of the obtained feather are shown in Table 7 below.

  As can be seen from Table 7, the feather of Comparative Example 2 passed the antioxidant property, but failed either the cleanliness, the oxygen count, or both.

Claims (10)

  A feather carrying platinum nanoparticles protected with a water-soluble polymer and / or a surfactant, and the mixing ratio of the platinum nanoparticles to the water-soluble polymer and / or the surfactant is, in mass ratio, platinum nanoparticles. : Water-soluble polymer and / or surfactant = 1: 0.2 to 1: 1.5.   The feather according to claim 1, wherein the water-soluble polymer is polyvinylpyrrolidone, polyvinyl alcohol, polyacrylate, polyacrylic acid, cyclodextrin, aminopectin or methylcellulose.   It is a feather carrying platinum nanoparticles protected with citrate, and the mixing ratio of the platinum nanoparticles and citrate is, as a mass ratio, platinum nanoparticles: citrate = 1: 0.2 to 1:35. Feather characterized by being.   The feather according to any one of claims 1 to 3, wherein the platinum nanoparticles are directly supported on the feather surface.   The feathers according to any one of claims 1 to 4, wherein the supported amount of the platinum nanoparticles is 20 to 90 µg with respect to 1 kg of feathers.   6. The feather according to any one of claims 1 to 5, wherein the feather carrying the platinum nanoparticles has a cleanliness specified in JIS L1903 "feather test method" of 500 mm or more and an oxygen count of 4.8 mg or less.   The feather product which filled the feather of any one of Claims 1-6 into the inside of a product.   The duvet which filled the duvet of any one of Claims 1-6 into the duvet side inside.   The futon side contains platinum nanoparticles protected with at least one protective agent selected from the group consisting of a water-soluble polymer, a surfactant and a citrate, and the blending ratio of the platinum nanoparticles and the protective agent is The mass ratio of platinum nanoparticle: protective agent = 1: 0.2-1: 35, which is a futon side fabric carrying platinum nano particles by using a futon side ground treatment agent. Duvets. A feather or duvet side treating agent used for supporting platinum nanoparticles on a feather or duvet side, wherein the platinum nanoparticles in the treating agent are composed of a water-soluble polymer, a surfactant and a citrate. The water-soluble polymer is selected from the group consisting of polyvinylpyrrolidone, polyvinyl alcohol, polyacrylate, polyacrylic acid, cyclodextrin, aminopectin and methylcellulose. is is at least one, the mixing ratio of the platinum nanoparticles and the protective agent is, in mass ratio, platinum nanoparticles: protecting agent = 1: 0.2 to 1: feather or comforter side ground characterized in that it is a 35 Treatment agent.