JP2019112491A - Granular composition and method for producing granular composition - Google Patents
Granular composition and method for producing granular composition Download PDFInfo
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- JP2019112491A JP2019112491A JP2017245112A JP2017245112A JP2019112491A JP 2019112491 A JP2019112491 A JP 2019112491A JP 2017245112 A JP2017245112 A JP 2017245112A JP 2017245112 A JP2017245112 A JP 2017245112A JP 2019112491 A JP2019112491 A JP 2019112491A
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Abstract
Description
本発明は、壁紙または壁紙の廃材を原料とした粒状の組成物及び粒状の組成物の製造方に関する。 TECHNICAL FIELD The present invention relates to a granular composition and a method of producing a granular composition starting from wallpaper or scrap material of wallpaper.
近年、環境の負荷を減らすために、様々なものを再利用することが検討されている。例えば特許文献１には、紙と熱可塑性プラスチックを有する壁紙を粉砕し、粉砕された物から熱可塑性プラスチックを取り出し、再利用することが記載されている。 In recent years, in order to reduce the burden on the environment, it has been considered to reuse various things. For example, Patent Document 1 describes pulverizing wallpaper having paper and a thermoplastic, removing the thermoplastic from the pulverized material, and reusing it.
本発明者は、紙と熱可塑性プラスチックを有する壁紙を、紙も含めて再利用することを検討した。本発明は上記事情に鑑みてなされたものであり、その目的とするところは、壁紙を、紙も含めて再利用した製品及びその製造方法を提供することにある。 The present inventors have considered reusing paper and paper wallpaper with thermoplastics, including paper. The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a product in which wallpaper, including paper, is reused, and a method of manufacturing the same.
本発明によれば、壁紙または壁紙の廃材と、熱可塑性の樹脂を混練することにより製造されており、
制振材または吸音材、もしくは制振材又は吸音材の材料として使用される、粒状の組成物が提供される。
According to the present invention, it is manufactured by kneading a wallpaper or a scrap of wallpaper and a thermoplastic resin,
A granular composition is provided which is used as a damping material or a sound absorbing material, or a material of a damping material or a sound absorbing material.
また、本発明によれば、パルプ又は紙を２５重量％以上３５重量％以下含み、かつ、熱可塑性の樹脂を３５重量％以上４５重量％以下含み、制振材または吸音材、もしくは制振材又は吸音材の材料として使用される、粒状の組成物が提供される。 Further, according to the present invention, a damping material or a sound absorbing material, or a damping material, containing 25 wt% or more and 35 wt% or less of pulp or paper, and 35 wt% or more and 45 wt% or less of thermoplastic resin. Or, a granular composition to be used as a material of a sound absorbing material is provided.
また、本発明によれば、壁紙または壁紙の廃材と、熱可塑性の樹脂を混練することにより、制振材または吸音材、もしくは制振材又は吸音材の材料として使用される粒状の組成物を製造する、組成物の製造方法が提供される。 Further, according to the present invention, a granular composition used as a damping material or a sound absorbing material, or a material of a damping material or a sound absorbing material by kneading a wallpaper or a waste material of wallpaper and a thermoplastic resin. Provided is a method of producing the composition, wherein the composition is produced.
本発明によれば、壁紙を、紙も含めて再利用することができる。 According to the present invention, wallpaper can be reused including paper.
以下、本発明の実施の形態について、図面を用いて説明する。尚、すべての図面において、同様な構成要素には同様の符号を付し、適宜説明を省略する。 Hereinafter, embodiments of the present invention will be described with reference to the drawings. In all the drawings, the same components are denoted by the same reference numerals, and the description thereof will be appropriately omitted.
図１は、本実施形態に係る組成物の製造方法を説明するためのフローチャートである。まず、原料となる壁紙または壁紙の廃材（以下、壁紙と記載）を準備する（ステップＳ１０）。壁紙の廃材は、例えば建物を解体するとき、リフォームするとき、壁紙を施工するとき、及び工場で壁紙を製造するときに出てくる。近年の壁紙には、紙を主素材としたもの（紙系壁紙）、有機質の繊維を主成分としたもの（繊維系壁紙）、紙に塩化ビニルなどの熱可塑性の樹脂からなる表面化粧層を紙の表面に設けたもの（塩化ビニル樹脂系壁紙やプラスチック系壁紙）などがある。本実施形態では、これらを分別せずに原料として使用してもよいし、特定の物のみを使用してもよい。特定のものを使用する場合、例えば塩化ビニル樹脂系壁紙及びプラスチック系壁紙の少なくとも一方が好適である。そして、原料となる壁紙は、紙又はパルプを２５重量％以上３５重量％以下含み、かつ、熱可塑性の樹脂を２５重量％以上３５重量％以下含んでいるのが好ましい。そして、必要に応じて、粉砕機を用いて壁紙を粉砕する。 FIG. 1 is a flowchart for explaining the method for producing the composition according to the present embodiment. First, a wallpaper or a scrap of wallpaper (hereinafter referred to as wallpaper) to be a raw material is prepared (step S10). The scraps of wallpaper come out, for example, when dismantling a building, when remodeling, when constructing wallpaper, and when manufacturing wallpaper at a factory. The wallpaper in recent years includes paper as the main material (paper-based wallpaper), organic fibers as the main component (fiber-based wallpaper), and paper with a surface decorative layer made of thermoplastic resin such as vinyl chloride. There are those provided on the surface of paper (vinyl chloride resin wallpaper and plastic wallpaper). In this embodiment, these may be used as raw materials without separation, or only specific ones may be used. When a specific one is used, for example, at least one of a vinyl chloride resin-based wallpaper and a plastic-based wallpaper is preferable. And it is preferable that the wallpaper used as a raw material contains 25 weight%-35 weight% of paper or pulp, and contains 25 weight%-35 weight% of thermoplastic resin. And, if necessary, crush the wallpaper using a crusher.
次いで、準備した壁紙と、熱可塑性の樹脂（例えば軟質樹脂）とを、混練機能を有する装置、例えばベント付き二軸押出装置に入れ、加熱しながら混練する（ステップＳ２０）。混練時に添加される樹脂は、原料となる壁紙に最も多く含まれる樹脂、例えば塩化ビニルであるが、これに限定されない。また、添加される樹脂の量は、例えば壁紙の５％以上１５％以下である。また、壁紙が全体の８０重量％以上９５重量％以下、添加される樹脂が全体の５重量％以上２０重量％以下、合計で１００重量％以下であってもよい。そして、この混練の際、混練物は、混練物が含有している樹脂のガラス転移温度以上に加熱される。 Next, the prepared wallpaper and a thermoplastic resin (for example, a soft resin) are placed in an apparatus having a kneading function, for example, a vented twin-screw extrusion apparatus, and are kneaded while being heated (step S20). The resin added at the time of kneading is, for example, vinyl chloride, which is contained most in the raw material wallpaper, but is not limited thereto. In addition, the amount of resin added is, for example, 5% or more and 15% or less of the wallpaper. In addition, the wallpaper may be 80% by weight or more and 95% by weight or less, and the added resin may be 5% by weight or more and 20% by weight or less, and 100% by weight or less in total. And in the case of this kneading | mixing, a kneaded material is heated above the glass transition temperature of resin which the kneaded material contains.
そして、壁紙及び樹脂を十分に混練したら、これらを粒状に成形するとともに、樹脂のガラス転移点以下、例えば室温に冷却する（ステップＳ３０）。この成形及び冷却は、例えばホットメルト粉砕機を用いて行われる。このようにして、実施形態に係る組成物が製造される。なお、本実施形態における粒状には、ペレット状のものや、フレーク状のものが含まれる。また、組成物は、既定の大きさのメッシュ、例えば８φのメッシュを通過したものであるのが好ましい。 Then, when the wallpaper and resin are sufficiently kneaded, they are formed into particles, and cooled to a temperature below the glass transition point of the resin, for example, room temperature (step S30). This shaping and cooling is performed, for example, using a hot melt crusher. Thus, the composition according to the embodiment is manufactured. The granular materials in the present embodiment include those in the form of pellets and flakes. In addition, the composition is preferably passed through a mesh of a predetermined size, for example, a mesh of 8φ.
この組成物は、原料となる壁紙の組成と比較して、樹脂の含有量が多くなっている。具体的には、この組成物は、パルプ又は紙を２５重量％以上３５重量％以下、熱可塑性の樹脂を３５重量％以上４５重量％以下含んでいる。また、比重は１．４ｇ／ｃｍ３以上１．７ｇ／ｃｍ３以下である。そしてこの組成物は、紙又はパルプを含んでおり、かつ製造時に十分混練されている。このため、この組成物は、制振材などの衝撃吸収材や吸音材として好適である。 This composition has an increased content of resin as compared to the composition of the wallpaper used as the raw material. Specifically, this composition contains 25% by weight or more and 35% by weight or less of pulp or paper, and 35% by weight or more and 45% by weight or less of a thermoplastic resin. Further, the specific gravity is 1.4 g / cm 3 or more 1.7 g / cm 3 or less. And this composition contains paper or pulp and is sufficiently kneaded at the time of production. For this reason, this composition is suitable as an impact absorbing material such as a damping material or a sound absorbing material.
なお、上記した粒状の組成物を、押出成形や射出成形の材料として使用してもよい。この場合、成形品を制振材などの衝撃吸収材や吸音材として利用することもできる。 The granular composition described above may be used as a material for extrusion molding or injection molding. In this case, the molded article can also be used as an impact absorbing material such as a damping material or a sound absorbing material.
以上、図面を参照して本発明の実施形態について述べたが、これらは本発明の例示であり、上記以外の様々な構成を採用することもできる。 Although the embodiments of the present invention have been described above with reference to the drawings, these are merely examples of the present invention, and various configurations other than the above can also be adopted.
Claims (5)
制振材または吸音材、もしくは制振材又は吸音材の材料として使用される、粒状の組成物。 Manufactured by mixing thermoplastic resin or thermoplastic resin with scraps of wallpaper or wallpaper
Granular composition used as a damping material or sound absorbing material, or a material of a damping material or sound absorbing material.
パルプ又は紙を２５重量％以上３５重量％以下含み、かつ、熱可塑性の樹脂を３５重量％以上４５重量％以下含む、粒状の組成物。 In the granular composition according to claim 1,
A granular composition comprising 25% by weight or more and 35% by weight or less of pulp or paper, and 35% by weight or more and 45% by weight or less of a thermoplastic resin.
前記壁紙または壁紙の廃材は、パルプ又は紙を２５重量％以上３５重量％以下含み、かつ、熱可塑性の樹脂を２５重量％以上３５重量％以下含んでいる、粒状の組成物の製造方法。 In the method for producing a granular composition according to claim 4,
The method for producing a granular composition, wherein the wallpaper or the waste material of the wallpaper contains 25% by weight to 35% by weight of pulp or paper and 25% by weight to 35% by weight of a thermoplastic resin.
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