JP2001064526A - Antibacterial mixed material of bamboo powder and thermoplastic resin, and its preparation - Google Patents
Antibacterial mixed material of bamboo powder and thermoplastic resin, and its preparationInfo
- Publication number
- JP2001064526A JP2001064526A JP24641399A JP24641399A JP2001064526A JP 2001064526 A JP2001064526 A JP 2001064526A JP 24641399 A JP24641399 A JP 24641399A JP 24641399 A JP24641399 A JP 24641399A JP 2001064526 A JP2001064526 A JP 2001064526A
- Authority
- JP
- Japan
- Prior art keywords
- thermoplastic resin
- bamboo powder
- mixed material
- antibacterial
- bamboo
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、竹粉と熱可塑性樹
脂の抗菌性を有する混合材料及びその製造方法に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an antibacterial mixed material of bamboo powder and a thermoplastic resin and a method for producing the same.
【０００２】[0002]
【従来の技術】地球規模の森林破壊、環境汚染が問題と
なっている昨今において、環境保全の面から資源の有効
利用が人類の課題となっている。この方策の一つとし
て、間伐採で得られる木材、建築廃棄木材、産業廃棄物
として廃棄された合成樹脂等の有効利用、再利用等があ
る。例えば、特開平１１−５８４８３号公報に、木質合
成シートの成形方法において、撹拌衝撃力でセルロース
系粉砕物を粉砕、乾燥し熱可塑性樹脂と混練して木質系
合成シート剤を成形する技術が開示されている。2. Description of the Related Art Effective use of resources has become an issue for human beings from the viewpoint of environmental conservation in recent years in which deforestation and environmental pollution on a global scale have become problems. As one of the measures, there is effective use and reuse of wood obtained by thinning, building waste wood, and synthetic resin discarded as industrial waste. For example, Japanese Patent Application Laid-Open No. 11-58483 discloses a technique for forming a woody synthetic sheet by pulverizing and drying a cellulosic pulverized product by a stirring impact force, kneading the mixture with a thermoplastic resin, and the like. Have been.
【０００３】ところで、竹の建材その他の各種の利用が
考えられる。竹は１年で２０ｍ近く伸張し、伐採するこ
とが竹林の健全な環境の維持に寄与するものである。竹
は、切り出した状態で利用することもその外形的特質を
生かす有用な手段であるが、竹を粉末にすれば、適宜形
状に成形加工することによりいろいろな用途へ活用でき
るだけでなく、その抗菌作用、脱臭作用等発揮できる。[0003] By the way, bamboo building materials and various other uses are conceivable. Bamboo grows nearly 20m in a year, and cutting it contributes to maintaining a healthy environment in the bamboo forest. Bamboo is also a useful means to take advantage of its external characteristics when cut out, but if bamboo is made into powder, it can be used for various purposes by forming it into an appropriate shape and its antibacterial properties. Action, deodorization action, etc. can be exhibited.
【０００４】竹を効率よく粉末にする技術が、特開平８
−１１２８０３号公報に開示されているが、このような
技術で製造された竹粉を有効利用する技術が、現在のと
ころ十分確立されていない現状である。[0004] A technique for efficiently converting bamboo into powder is disclosed in Japanese Unexamined Patent Publication No.
Although it is disclosed in JP-A-112803, a technique for effectively utilizing bamboo powder produced by such a technique is not yet fully established at present.
【０００５】[0005]
【発明が解決しようとする課題】本発明は、竹の有する
抗菌作用や脱臭作用に着目し、この竹の特性を十分活か
すことができ、建材、その他用途に応じて板、柱等所要
の形状に成形して使用できる低コスト、高機能の竹粉と
熱可塑性樹脂の抗菌性を有する混合材料及びその製造方
法を実現することを課題とする。The present invention focuses on the antibacterial and deodorizing effects of bamboo, and can fully utilize the properties of bamboo. It is an object of the present invention to realize a low-cost, high-performance antibacterial mixed material of bamboo powder and a thermoplastic resin, which can be used after being molded, and a method for producing the same.
【０００６】さらに、本発明は、竹粉に、相溶化剤、無
機化合物、有機顔料等の添加剤を混合して、それらの有
する特性をさらに発揮可能な、きわめて付加価値の高
い、竹粉と熱可塑性樹脂の高機能な材料を実現すること
を課題とする。Further, the present invention relates to a bamboo powder having a very high added value, which is capable of further exhibiting the properties possessed by mixing additives such as a compatibilizer, an inorganic compound and an organic pigment with the bamboo powder. It is an object to realize a highly functional material of a thermoplastic resin.
【０００７】ところで、竹粉と熱可塑性樹脂の抗菌性を
有する混合材料を製造する際に、水分が多いと品質劣化
の原因となるので、竹粉は乾燥したものを利用する必要
がある。本発明は、竹粉と熱可塑性樹脂を混合するミキ
サーで、その混合前に竹粉だけを粉砕、乾燥すること
で、乾燥のための複雑な装置や特別な設備を設けること
なく、容易かつ低コストで竹粉の乾燥を可能として、経
済性にすぐれた竹粉と熱可塑性樹脂の抗菌性を有する混
合材料を製造する方法を実現することを課題とする。[0007] When manufacturing a mixed material having antibacterial properties of bamboo powder and a thermoplastic resin, a large amount of water causes deterioration of the quality, and therefore, it is necessary to use a dried bamboo powder. The present invention is a mixer for mixing bamboo powder and a thermoplastic resin, and by crushing and drying only the bamboo powder before the mixing, it is easy and low-cost without providing complicated equipment and special equipment for drying. It is an object of the present invention to realize a method of manufacturing a bamboo powder and a thermoplastic resin having an antibacterial property, which enables bamboo powder to be dried at a low cost and is excellent in economical efficiency.
【０００８】そして、本発明は、このような低コストか
つ高機能な竹粉と熱可塑性樹脂の抗菌性を有する混合材
料を提供することで、竹や産業廃棄物として廃棄された
樹脂等の資源の有効利用を図り、地球環境の改善の一助
とする。The present invention provides such a low-cost and high-performance mixed material having an antibacterial property of bamboo powder and a thermoplastic resin, so that resources such as bamboo and resin discarded as industrial waste can be obtained. To help improve the global environment.
【０００９】[0009]
【課題を解決するための手段】本発明は、上記課題を解
決するために、竹粉３０〜６５ｗｔ％と熱可塑性樹脂７
０〜３５ｗｔ％とが粉砕・混合ミキサーで撹拌、混合さ
れて成る竹と熱可塑性樹脂の混合材料であって、上記竹
粉は、上記熱可塑性樹脂と撹拌、混合される前に、上記
粉砕・混合ミキサーで粉砕され、乾燥されているもので
あることを特徴とする竹粉と熱可塑性樹脂の抗菌性を有
する混合材料を提供する。According to the present invention, in order to solve the above-mentioned problems, 30-65 wt% of bamboo powder and thermoplastic resin 7 are used.
0 to 35 wt% is a mixed material of bamboo and thermoplastic resin which is stirred and mixed by a pulverizing and mixing mixer, and the bamboo powder is mixed with the thermoplastic resin by stirring and mixing. Provided is a mixed material having antibacterial properties of bamboo powder and a thermoplastic resin, which is crushed and dried by a mixing mixer.
【００１０】そして、本発明は、上記課題を解決するた
めに、竹粉３０〜６５ｗｔ％に熱可塑性樹脂７０〜３５
ｗｔ％が加えられて粉砕・混合ミキサーで混合して竹粉
と熱可塑性樹脂の抗菌性を有する混合材料を製造する方
法において、上記竹粉は、上記粉砕・混合ミキサーで粉
砕、乾燥してから、上記熱可塑性樹脂を加えて、撹拌、
混合することを特徴とする竹粉と熱可塑性樹脂の抗菌性
を有する混合材料を製造する方法を提供する。[0010] In order to solve the above-mentioned problems, the present invention provides a method in which 30 to 65 wt% of bamboo powder is mixed with a thermoplastic resin of 70 to 35 wt%.
In a method of producing a mixed material having an antibacterial property of bamboo powder and a thermoplastic resin by adding wt% and mixing with a crushing / mixing mixer, the bamboo powder is crushed and dried with the crushing / mixing mixer. , Adding the above thermoplastic resin, stirring,
Provided is a method for producing a mixed material having an antibacterial property of bamboo powder and a thermoplastic resin, which is characterized by mixing.
【００１１】上記竹粉に各種の添加剤を添加すれば、添
加剤の機能を有する竹粉と熱可塑性樹脂の抗菌性を有す
る混合材料を製造することができる。例えば、上記添加
剤は、相溶化剤０．１〜１ｗｔ％、無機材０．１〜３０
ｗｔ％及び有機顔料０．１〜３０ｗｔ％から成る群より
選択される１又は２種以上のものであり、該添加剤全体
とし上記添加剤を含む竹粉と熱可塑性樹脂の混合材料の
３０ｗｔ％以内で添加する。If various additives are added to the bamboo powder, a mixed material having an antibacterial property of bamboo powder having the function of an additive and a thermoplastic resin can be produced. For example, the additives include a compatibilizing agent of 0.1 to 1 wt% and an inorganic material of 0.1 to 30%.
one or more selected from the group consisting of 0.1% to 30% by weight of an organic pigment and 30% by weight of a mixed material of bamboo powder and a thermoplastic resin containing the above additives as a whole. Add within.
【００１２】[0012]
【発明の実施の形態】本発明に係る竹粉と熱可塑性樹脂
の抗菌性を有する混合材料及びその製造方法の実施の形
態を図面を参照して説明する。本発明に係る竹粉と熱可
塑性樹脂の抗菌性を有する混合材料を製造するには、ま
ず竹粉を粉砕・混合ミキサーに投入して粉砕し、この際
発生する熱で竹粉を乾燥する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a mixed material having antibacterial properties of bamboo powder and a thermoplastic resin and a method for producing the same according to the present invention will be described with reference to the drawings. In order to produce the antibacterial mixed material of the bamboo powder and the thermoplastic resin according to the present invention, first, the bamboo powder is put into a crushing / mixing mixer and crushed, and the bamboo powder is dried by the heat generated at this time.
【００１３】そして、この乾燥された竹粉に熱可塑性樹
脂を加えて粉砕・混合ミキサーで撹拌、混合する。この
際に発生する熱で熱可塑性樹脂を溶融して、竹粉と熱可
塑性樹脂を混合し、竹粉と熱可塑性樹脂の抗菌性を有す
る混合材料が製造される。本発明の原料である竹粉は、
上記特開平８−１１２８０３号公報等で公知の技術によ
り竹を破砕し粉状に形成されたものを使用する。Then, a thermoplastic resin is added to the dried bamboo flour, followed by stirring and mixing with a pulverizing / mixing mixer. The thermoplastic resin is melted by the heat generated at this time, and the bamboo powder and the thermoplastic resin are mixed to produce a mixed material having antibacterial properties of the bamboo powder and the thermoplastic resin. Bamboo powder, which is a raw material of the present invention,
Bamboo is crushed by a technique known in the above-mentioned Japanese Patent Application Laid-Open No. H08-112803 or the like, and bamboo is used.
【００１４】図１（ａ）は、本発明に係る竹粉と熱可塑
性樹脂の抗菌性を有する混合材料の製造に使用する粉砕
・混合ミキサーの一例を示す図である。この粉砕・混合
ミキサー１は、ミキサー容器２内に粉砕羽根３が、回転
駆動軸４に取り付けられて配設されている、回転駆動軸
４は、電動モータや油圧モータ等の原動機で回転駆動さ
れ、粉砕羽根３を回転する。FIG. 1 (a) is a view showing an example of a pulverizing / mixing mixer used for producing an antibacterial mixed material of bamboo powder and a thermoplastic resin according to the present invention. The crushing / mixing mixer 1 has a crushing blade 3 mounted in a mixer vessel 2 attached to a rotary drive shaft 4. The rotary drive shaft 4 is driven to rotate by a motor such as an electric motor or a hydraulic motor. Then, the crushing blade 3 is rotated.
【００１５】このミキサー容器２内に、原料である竹粉
を投入して粉砕・混合ミキサー１を作動し、竹粉をさら
に細かく粉砕し、粉砕の際の剪断や摩擦等で発生する熱
により、竹粉は乾燥される。The raw material bamboo powder is put into the mixer container 2 and the pulverizing / mixing mixer 1 is operated to pulverize the bamboo powder further finely. Bamboo flour is dried.
【００１６】このように乾燥された竹粉の入っている粉
砕・混合ミキサー１内に熱可塑性樹脂を投入して撹拌、
混合する。この撹拌、混合の際に発生する熱により熱可
塑性樹脂は溶融し、竹粉と熱可塑性樹脂が混合され、流
動状態の竹粉と熱可塑性樹脂の抗菌性を有する混合材料
が形成される。この流動状態の混合材料を押出成形、射
出成形等して、所定形状の成形品を製造することができ
る。The thermoplastic resin is put into the pulverizing / mixing mixer 1 containing the bamboo powder thus dried and stirred.
Mix. The thermoplastic resin is melted by the heat generated during the stirring and mixing, and the bamboo powder and the thermoplastic resin are mixed to form a mixed material having antibacterial properties of the bamboo powder in a fluid state and the thermoplastic resin. Extrusion molding, injection molding, or the like, of the mixed material in a fluid state can produce a molded product having a predetermined shape.
【００１７】上記流動状態の混合材料を直ぐ成形しない
場合は、竹粉と樹脂の混合材料を排出口５から取り出
し、図１（ｂ）に示す、クーリングミキサーに投入して
ゆっくりと撹拌、混合して冷却し、造粒する。これを、
撹拌羽根を高速回転し粉砕して粒径をそろえて竹粉と熱
可塑性樹脂の抗菌性を有する混合材料とし、排出口１０
から取り出す。この混合材料を加熱、溶融すれば流動状
態の混合材料となり、これを押出成形、射出成形等すれ
ば、用途に応じて所要の形状の成形品を製造することが
できる。If the mixed material in the fluid state is not to be formed immediately, the mixed material of bamboo powder and resin is taken out from the outlet 5 and put into a cooling mixer shown in FIG. Cool and granulate. this,
The stirring blade is rotated at a high speed and pulverized to make the particle size uniform, thereby obtaining an antibacterial mixed material of bamboo powder and thermoplastic resin.
Remove from If this mixed material is heated and melted, it becomes a fluid mixed material. If this mixed material is subjected to extrusion molding, injection molding, or the like, it is possible to produce a molded article having a required shape according to the application.
【００１８】竹粉に加えて、各種の添加剤を、その合計
量が製造される混合材料の３０ｗｔ％以内で選択的に添
加し、粉砕・混合ミキサーで混合し、さらに熱可塑性樹
脂を混合して竹粉と熱可塑性樹脂の抗菌性を有する混合
材料を製造すると、この添加剤を含む竹粉と熱可塑性樹
脂の抗菌性を有する混合材料は、添加剤の有する機能が
加わり、より高機能材料となる。In addition to the bamboo powder, various additives are selectively added in a total amount of 30% by weight or less of the mixed material to be manufactured, mixed with a pulverizing / mixing mixer, and further mixed with a thermoplastic resin. When an antibacterial mixed material of bamboo powder and a thermoplastic resin is manufactured by mixing, the antibacterial mixed material of the bamboo powder and the thermoplastic resin containing this additive is added to the function of the additive, and a more highly functional material Becomes
【００１９】添加剤は、例えば、無水マレイン酸、カル
ボン酸等の相溶化剤０．１〜１ｗｔ％、酸化チタン、酸
化鉄、炭酸カルシウム等の無機材０．１〜３０ｗｔ％、
有機顔料０．１〜３０ｗｔ％及び相溶化剤０．１〜１ｗ
ｔ％から成る群より選択される１又は２種以上のもので
あり、該添加剤全体とし上記添加剤を含む竹粉と熱可塑
性樹脂の混合材料の３０ｗｔ％以内で添加する。例え
ば、酸化チタンを添加すれば光触媒作用により抗菌機能
を発揮する。その他の機能添加材料としては、難燃剤、
紫外線防止剤、抗菌剤等がある。The additives include, for example, 0.1 to 1 wt% of a compatibilizer such as maleic anhydride and carboxylic acid, and 0.1 to 30 wt% of an inorganic material such as titanium oxide, iron oxide and calcium carbonate.
Organic pigment 0.1 to 30 wt% and compatibilizer 0.1 to 1 w
One or more kinds selected from the group consisting of t%, and the additive is added as a whole within 30 wt% of a mixed material of bamboo powder and thermoplastic resin containing the additive. For example, when titanium oxide is added, an antibacterial function is exhibited by a photocatalytic action. Other functional additives include flame retardants,
There are UV inhibitors, antibacterial agents and the like.
【００２０】難燃剤として添加される材料は、例えば、
三酸化アンチモン、酸化ジルコン、メタホウ酸バリウ
ム、ホウ酸亜鉛、リン酸エステル、トリクレジルホスフ
ェート、水酸化マグネシウム、水酸化アルミニウム等が
ある。又、紫外線防止剤として添加される材料は、例え
ば、２−ヒドロキシベンゾフェノン系、トリアゾール
系、サルチル酸誘導体系、アクリロニトリル誘導体系等
がある。抗菌剤としては銅、銀、亜鉛等がある。Materials added as flame retardants include, for example,
Examples include antimony trioxide, zircon oxide, barium metaborate, zinc borate, phosphate, tricresyl phosphate, magnesium hydroxide, and aluminum hydroxide. Examples of the material added as an ultraviolet ray inhibitor include 2-hydroxybenzophenone, triazole, salicylic acid derivative, and acrylonitrile derivative. Antibacterial agents include copper, silver, zinc and the like.
【００２１】[0021]
【実施例】本発明に係る竹粉と熱可塑性樹脂の抗菌性を
有する混合材料及びその製造方法の実施例について以下
説明する。粉砕・混合ミキサーは、粉砕羽根が多段バネ
から成るヘンシェル型ミキサー（具体的には「川田工業
（株）製スーパーミキサー、内容積７５０リットル」）
を利用する。このミキサーに、竹粉６８ｋｇ（寿産業製
バンブーパウダー（一ヶ月発酵済み）、水分量４０ｗｔ
％。但し、水分量が１０ｗｔ％の場合は、竹粉は４４．
７ｋｇ）と酸化チタン３．４ｋｇ（石原テクノ社製ＴＹ
３００）を投入して粉砕、混合した。この粉砕、混合を
約１時間行い温度が１７０℃の時にミキサーを停止し
た。この時の混合物の状態を観察すると、水分量は、
０．５ｗｔ％であり、竹粉の粒径は小さく（粒径φ１．
５ｍｍ以上のものが２０％から５％に減少。）なった。EXAMPLE An example of a mixed material having antibacterial properties of bamboo powder and a thermoplastic resin and a method for producing the same according to the present invention will be described below. The crushing / mixing mixer is a Henschel type mixer in which crushing blades are composed of multi-stage springs (specifically, “Super mixer manufactured by Kawada Kogyo Co., Ltd., internal volume 750 liters”).
Use In this mixer, bamboo powder 68kg (Kotobuki Sangyo bamboo powder (fermented for one month), water content 40wt
%. However, when the water content is 10 wt%, bamboo powder is 44.
7 kg) and 3.4 kg of titanium oxide (TY manufactured by Ishihara Techno Co., Ltd.)
300) was added and pulverized and mixed. This pulverization and mixing were performed for about 1 hour, and the mixer was stopped when the temperature was 170 ° C. Observing the state of the mixture at this time,
0.5 wt%, and the particle size of bamboo powder is small (particle size φ1.
5mm or more decrease from 20% to 5%. )became.
【００２２】このようにして製造された、粉砕・混合ミ
キサー内の竹粉と酸化チタンの混合材料に、さらにＰＰ
３８．９ｋｇと相溶化剤（三洋化成（株）製ユーメック
ス１０１０）４５０ｇを加えて、撹拌、混合すると熱可
塑性材料が溶融する。この溶融した混合材料を、上記ク
ーリングミキサーでゆっくりと撹拌して冷却、造粒す
る。このように造粒された混合材料は、粒径が直径１０
ｍｍ〜８００ｍｍとばらつきがあるために、再度加熱し
て押出成形や射出成形等する際に成形しにくい、これを
解消するために、粉砕・混合ミキサーで粒径φ８ｍｍパ
スに粉砕する。The mixed material of bamboo powder and titanium oxide in the pulverizing / mixing mixer thus produced is further added with PP.
38.9 kg and 450 g of a compatibilizer (Umex 1010 manufactured by Sanyo Chemical Co., Ltd.) are added, and the mixture is stirred and mixed to melt the thermoplastic material. The melted mixed material is slowly stirred by the cooling mixer to be cooled and granulated. The mixed material thus granulated has a particle diameter of 10
Since it is difficult to mold when extrusion molding or injection molding is performed again by heating again due to the variation of mm to 800 mm, in order to eliminate this, the mixture is pulverized to a particle diameter φ8 mm path with a pulverization / mixing mixer.
【００２３】このように製造された竹粉と熱可塑性樹脂
の抗菌性を有する混合材料は、建材ボード、その他各種
の用途に応じて押出成形や射出成形等により製品にす
る。上記製造された竹粉と熱可塑性樹脂は、抗菌性、脱
臭性等の機能を有するが、このうち抗菌試験について述
べる。The antibacterial mixed material of the bamboo powder and the thermoplastic resin produced as described above is made into a product by extrusion molding, injection molding or the like according to a building material board or various other uses. The manufactured bamboo powder and thermoplastic resin have functions such as antibacterial property and deodorizing property. Among them, an antibacterial test will be described.
【００２４】（抗菌試験）上記実施例の酸化チタンを含
む竹粉と熱可塑性樹脂の抗菌性を有する混合材料を押出
成形し、表面をサンディング（研磨）し、５０×５０×
３ｍｍの試験片を作成して。そし抗菌効果を確認するた
めに、木粉で製造した比較例と比較実験を行ってみた。(Antibacterial test) The antibacterial mixed material of the bamboo powder containing titanium oxide and the thermoplastic resin of the above example was extruded, and the surface was sanded (polished) to obtain a 50 × 50 ×
Make a 3mm test piece. Then, in order to confirm the antibacterial effect, a comparative example made with wood flour and a comparative experiment were performed.
【００２５】この比較例の作成は次のとおりである。木
粉（１００メッシュパス、水分量１０ｗｔ％）７０ｋｇ
と酸化チタン（石原テクノ社製Ｒ９３０）７ｋｇを上記
同じヘンシェル型ミキサーに投入し、３０分間、粉砕、
乾燥すると水分量が０．３ｗｔ％であった。このミキサ
ー内の混合物に、ＰＰ５７．３ｋｇと、相溶化剤（三洋
化成（株）製ユーメックス１０１０）６７０ｇを加え
て、撹拌、混合して熱可塑性材料を溶融し、上記竹粉と
熱可塑性樹脂の抗菌性を有する混合材料と同様寸法の試
験片を作成した。The preparation of this comparative example is as follows. 70kg wood flour (100 mesh pass, water content 10wt%)
And 7 kg of titanium oxide (R930, manufactured by Ishihara Techno Co., Ltd.) were charged into the same Henschel mixer, and crushed for 30 minutes.
When dried, the water content was 0.3 wt%. To the mixture in this mixer, 57.3 kg of PP and 670 g of a compatibilizer (Umex 1010 manufactured by Sanyo Chemical Co., Ltd.) were added, stirred and mixed to melt the thermoplastic material, and the bamboo powder and the thermoplastic resin were mixed. A test piece having the same dimensions as the mixed material having antibacterial properties was prepared.
【００２６】抗菌効果の比較実験では、本発明の竹粉と
熱可塑性合成樹脂の混合材料から成る試験片、及び比較
例の試験片の夫々に、黄色ブドウ球菌を滴下後、ポリエ
チレンフィルムを密着させ、３５℃、２４時間保存後の
生菌数を測定した。この測定を夫々２回行い結果を表１
に示す。なお、表１中各欄の上段、下段は１回目、２回
目の夫々の測定結果である。In the comparative experiment of the antibacterial effect, Staphylococcus aureus was dropped on a test piece composed of a mixed material of the bamboo powder of the present invention and a thermoplastic synthetic resin and a test piece of Comparative Example, and then a polyethylene film was adhered. After storage at 35 ° C. for 24 hours, the number of viable cells was measured. This measurement was performed twice, and the results are shown in Table 1.
Shown in The upper and lower rows of each column in Table 1 show the results of the first and second measurements, respectively.
【００２７】[0027]
【表１】 [Table 1]
【００２８】この表１でも明確に示されているように、
比較例の木粉と樹脂の混合材料より本発明の実施例の竹
粉と樹脂の混合材料の方が抗菌効果があることが判明し
た。As clearly shown in Table 1,
It was found that the mixed material of bamboo powder and resin according to the example of the present invention had a more antibacterial effect than the mixed material of wood powder and resin of the comparative example.
【００２９】以上、本発明の実施の形態及び実施例を説
明したが、本発明は、特にこのような実施の形態及び実
施例の構成に限定されることなく、特許請求の範囲記載
の技術的事項の範囲内であればいろいろな実施の形態、
実施例が考えられることは言うまでもない。The embodiments and examples of the present invention have been described above. However, the present invention is not particularly limited to the configurations of the embodiments and examples, and the technical features described in the claims are not limited. Various embodiments within the scope of the matter,
It goes without saying that embodiments are possible.
【００３０】[0030]
【発明の効果】本発明は上記のような構成であるから、
竹の抗菌機能、脱臭機能等の特性を十分活かすことがで
きるとともに、建材、その他所要の用途に応じて板、柱
等の形状に低コストで成形して使用できる。Since the present invention has the above configuration,
It can make full use of the properties of bamboo such as antibacterial function and deodorizing function, and can be used at low cost in the form of plates, columns, etc. according to building materials and other required applications.
【００３１】そして、本発明は、竹粉に、相溶化剤、無
機化合物、有機顔料、難燃剤、紫外線防止剤等の添加剤
を混合すれば、これらの添加剤の有する機能を発揮させ
る高機能な材料を実現することができる。The present invention is directed to a high-functionality which exhibits the functions of these additives when bamboo powder is mixed with additives such as a compatibilizer, an inorganic compound, an organic pigment, a flame retardant and an ultraviolet ray inhibitor. Material can be realized.
【００３２】又、粉砕・撹拌ミキサーで原料である竹粉
を竹粉は乾燥してから、熱可塑性樹脂と混合すれば、品
質のすぐれた竹粉と熱可塑性樹脂の抗菌性を有する混合
材料を製造することができる。Further, bamboo powder, which is a raw material, is dried with a pulverizing / stirring mixer and then mixed with a thermoplastic resin to obtain a high-quality antibacterial mixed material of bamboo powder and thermoplastic resin. Can be manufactured.
【００３３】本発明は、このような低コストかつ高機能
な竹粉と熱可塑性樹脂の抗菌性を有する混合材料を提供
し、竹の有効利用を図るとともに、産業廃棄物として廃
棄された樹脂材料を混合材料として利用すれば、資源の
有効利用、地球環境の改善の一助とすることができる。The present invention provides an antibacterial mixed material of such a low-cost and high-performance bamboo powder and a thermoplastic resin so as to effectively utilize bamboo and to dispose of a resin material discarded as industrial waste. By using as a mixed material, it is possible to effectively use resources and to help improve the global environment.
【図１】（ａ）は、本発明に利用される粉砕・混合ミキ
サーの一部破断斜視図を示し、（ｂ）は、クーリングミ
キサーの一部破断斜視図を示す。FIG. 1A is a partially broken perspective view of a pulverizing / mixing mixer used in the present invention, and FIG. 1B is a partially broken perspective view of a cooling mixer.
１ 粉砕・混合ミキサー ２、７ ミキサー容器 ３ 粉砕羽根 ４、８ 回転駆動軸 ５、１０ 排出口 ６ クーリングミキサー ９ 撹拌羽根 DESCRIPTION OF SYMBOLS 1 Crushing and mixing mixer 2, 7 Mixer container 3 Crushing blade 4, 8 Rotary drive shaft 5, 10 Discharge port 6 Cooling mixer 9 Stirring blade
───────────────────────────────────────────────────── フロントページの続き (72)発明者 利光 陽一 神奈川県川崎市高津区新作３−15−１− 202 Ｆターム(参考） 2B260 AA01 AA10 BA07 BA15 BA18 CB01 CD02 DA01 DA18 EA12 EA13 EB02 EB05 EB08 EB12 EC18 4F070 AA02 AA15 AC15 DA02 FA03 FB01 FC02 4J002 AA01W AH00X DE117 DE137 DE237 EF006 EL146 FD050 FD098 FD130 FD180 FD206 GL00 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Yoichi Torimitsu 3-15-1-202 F-term (reference) 2B260 AA01 AA10 BA07 BA15 BA18 CB01 CD02 DA01 DA18 EA12 EA13 EB02 EB05 EB08 EB12 EC18 4F070 AA02 AA15 AC15 DA02 FA03 FB01 FC02 4J002 AA01W AH00X DE117 DE137 DE237 EF006 EL146 FD050 FD098 FD130 FD180 FD206 GL00
Claims (4)
７０〜３５ｗｔ％とが粉砕・混合ミキサーで撹拌、混合
されて成る竹と熱可塑性樹脂の混合材料であって、 上記竹粉は、上記熱可塑性樹脂と撹拌、混合される前
に、上記粉砕・混合ミキサーで粉砕され、乾燥されてい
るものであることを特徴とする竹粉と熱可塑性樹脂の抗
菌性を有する混合材料。1. A mixed material of bamboo and thermoplastic resin obtained by stirring and mixing 30 to 65 wt% of bamboo powder and 70 to 35 wt% of thermoplastic resin with a pulverizing and mixing mixer, wherein the bamboo powder is An antibacterial mixed material of bamboo powder and thermoplastic resin, which is crushed and dried by the crushing / mixing mixer before being stirred and mixed with the thermoplastic resin.
加剤を含む竹粉と熱可塑性樹脂の抗菌性を有する混合材
料であって、 上記添加剤は、相溶化剤０．１〜１ｗｔ％、無機材０．
１〜３０ｗｔ％及び有機顔料０．１〜３０ｗｔ％から成
る群より選択される１又は２種以上のものであり、該添
加剤全体として上記添加剤を含む竹粉と熱可塑性樹脂の
混合材料の３０ｗｔ％以内で添加されていることを特徴
とする請求項１記載の竹粉と熱可塑性樹脂の抗菌性を有
する混合材料。2. A mixed material having an antibacterial property of a bamboo powder and a thermoplastic resin containing an additive obtained by adding an additive to the bamboo powder, wherein the additive has a compatibilizing agent of 0.1 to 1 wt. %, Inorganic material 0.
1 to 30% by weight and one or more types selected from the group consisting of organic pigments of 0.1 to 30% by weight, wherein the additive as a whole is a mixed material of bamboo powder and a thermoplastic resin containing the additive. The antibacterial mixed material of bamboo powder and a thermoplastic resin according to claim 1, wherein the mixed material is added within 30 wt%.
７０〜３５ｗｔ％が加えられて粉砕・混合ミキサーで混
合して竹粉と熱可塑性樹脂の抗菌性を有する混合材料を
製造する方法において、 上記竹粉は、上記粉砕・混合ミキサーで粉砕、乾燥して
から、上記熱可塑性樹脂を加えて、撹拌、混合すること
を特徴とする竹粉と熱可塑性樹脂の抗菌性を有する混合
材料を製造する方法。3. A method for producing a mixed material having antibacterial properties of bamboo powder and thermoplastic resin, wherein 70-35 wt% of thermoplastic resin is added to 30-65 wt% of bamboo powder and mixed with a pulverizing / mixing mixer. The bamboo powder is crushed and dried by the crushing / mixing mixer, and then the thermoplastic resin is added thereto, followed by stirring and mixing to produce a mixed material having antibacterial properties of the bamboo powder and the thermoplastic resin. how to.
含む竹粉と熱可塑性樹脂の抗菌性を有する混合材料を製
造する方法において、 上記添加剤は、相溶化剤０．１〜１ｗｔ％、無機材０．
１〜３０ｗｔ％及び有機顔料０．１〜３０ｗｔ％から成
る群より選択される１又は２種以上のものであり、該添
加剤全体とし上記添加剤を含む竹粉と熱可塑性樹脂の混
合材料の３０ｗｔ％以内で添加することを特徴とする請
求項３記載の竹粉と熱可塑性樹脂の抗菌性を有する混合
材料を製造する方法。4. A method for producing a mixed material having an antibacterial property between a bamboo powder containing an additive and a thermoplastic resin by adding an additive to the bamboo flour, wherein the additive is 0.1 to 1.0. 1 wt%, inorganic material 0.
1 to 30% by weight and one or more types selected from the group consisting of organic pigments of 0.1 to 30% by weight, and a mixture of bamboo powder and thermoplastic resin containing the above additives as a whole of the additives. The method for producing a mixed material having antibacterial properties of bamboo powder and a thermoplastic resin according to claim 3, characterized in that it is added within 30 wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24641399A JP2001064526A (en) | 1999-08-31 | 1999-08-31 | Antibacterial mixed material of bamboo powder and thermoplastic resin, and its preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24641399A JP2001064526A (en) | 1999-08-31 | 1999-08-31 | Antibacterial mixed material of bamboo powder and thermoplastic resin, and its preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001064526A true JP2001064526A (en) | 2001-03-13 |
Family
ID=17148128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24641399A Pending JP2001064526A (en) | 1999-08-31 | 1999-08-31 | Antibacterial mixed material of bamboo powder and thermoplastic resin, and its preparation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001064526A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006176588A (en) * | 2004-12-21 | 2006-07-06 | Toshishige Hirose | Antibacterial antifungal resin composition and its molded product |
| JP2006524151A (en) * | 2003-04-23 | 2006-10-26 | チバ スペシャルティ ケミカルズ ホールディング インコーポレーテッド | Natural material composite material |
| JP2007289161A (en) * | 2006-03-31 | 2007-11-08 | Yamaguchi Prefecture | Konjac product with improved flavor and method for preparing the same |
| JP2008531324A (en) * | 2005-02-15 | 2008-08-14 | チバ ホールディング インコーポレーテッド | Stabilization of natural composites |
| US7595428B2 (en) | 2000-11-22 | 2009-09-29 | Nippon Shokubai Co., Ltd. | Water-absorbing agent composition and method for production thereof, absorptive article and absorbing material |
| JP2009219668A (en) * | 2008-03-17 | 2009-10-01 | Chikusan:Kk | Fermented bamboo micropowder, its manufacturing method, deodorant and bath agent |
| WO2011063967A1 (en) * | 2009-11-25 | 2011-06-03 | Akusta Unternehmensberatung | Fire retardant moldings and method for producing and using such a molding |
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-
1999
- 1999-08-31 JP JP24641399A patent/JP2001064526A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7595428B2 (en) | 2000-11-22 | 2009-09-29 | Nippon Shokubai Co., Ltd. | Water-absorbing agent composition and method for production thereof, absorptive article and absorbing material |
| JP2006524151A (en) * | 2003-04-23 | 2006-10-26 | チバ スペシャルティ ケミカルズ ホールディング インコーポレーテッド | Natural material composite material |
| JP2006176588A (en) * | 2004-12-21 | 2006-07-06 | Toshishige Hirose | Antibacterial antifungal resin composition and its molded product |
| JP2008531324A (en) * | 2005-02-15 | 2008-08-14 | チバ ホールディング インコーポレーテッド | Stabilization of natural composites |
| JP2007289161A (en) * | 2006-03-31 | 2007-11-08 | Yamaguchi Prefecture | Konjac product with improved flavor and method for preparing the same |
| JP2009219668A (en) * | 2008-03-17 | 2009-10-01 | Chikusan:Kk | Fermented bamboo micropowder, its manufacturing method, deodorant and bath agent |
| WO2011063967A1 (en) * | 2009-11-25 | 2011-06-03 | Akusta Unternehmensberatung | Fire retardant moldings and method for producing and using such a molding |
| US9120976B2 (en) | 2009-11-25 | 2015-09-01 | Akusta Unternehmensberatung | Fire retardant moldings and method for producing and using such a molding |
| US9758632B2 (en) | 2009-11-25 | 2017-09-12 | Akusta Unternehmensberatung | Fire retardant moldings and method for producing and using such a molding |
| CN108724424A (en) * | 2016-09-22 | 2018-11-02 | 长泰惠龙新材料科技有限公司 | A kind of mould proof composite fiber plate of environment-friendly type antibiotic and preparation method thereof |
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