JP2011069102A - Chaff building material and method for manufacturing the same - Google Patents
Chaff building material and method for manufacturing the same Download PDFInfo
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- JP2011069102A JP2011069102A JP2009220740A JP2009220740A JP2011069102A JP 2011069102 A JP2011069102 A JP 2011069102A JP 2009220740 A JP2009220740 A JP 2009220740A JP 2009220740 A JP2009220740 A JP 2009220740A JP 2011069102 A JP2011069102 A JP 2011069102A
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- rice husk
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Abstract
Description
本発明は、籾殻を主原料とする建築資材に関する。 The present invention relates to a building material whose main raw material is rice husk.
籾殻を主原料とする建築資材は、特開2002−3263号公報(特許文献1)、特開2002−3279号公報(特許文献2)、特開2008−291235号公報(特許文献3)、特開平06−8968号公報(特許文献4)等で提案されている。本願出願人も籾殻無公害断熱材を特許第3716371号(特許文献5)として保有している。
特許文献1及び2では籾殻に難燃性を付与するため、粘着性を有する水溶性無機化合物または塗膜性または造膜性を有する水溶性無機化合物と籾殻を混合または撹拌するために籾殻を破砕するので、空隙が少なくなり吸音特性が劣ることとなる。
特許文献3は籾殻に特定仕様のPVA(ポリビニールアルコール)系樹脂を含有させることにより圧縮強度を高めている。
特許文献4では籾殻に水を噴射させて表面を濡らした後、植物性接着剤粉を散布し、さらに水を噴射して該植物性接着剤粉を液状化し、撹拌機で撹拌混合するなど籾殻の接着処理に手間取るものである。
特許文献5は断熱性を追求した発明であるが、遮音性を有する建築資材の開発のベースとなったものである。
Building materials mainly composed of rice husks are disclosed in JP 2002-3263 (Patent Document 1), JP 2002-3279 (Patent Document 2), JP 2008-291235 (Patent Document 3), This is proposed in Japanese Laid-Open Patent Application No. 06-8968 (Patent Document 4). The present applicant also holds rice husk-free pollution heat insulating material as Patent No. 3716371 (Patent Document 5).
In
Patent Document 3 increases the compressive strength by adding a PVA (polyvinyl alcohol) resin having a specific specification to rice husks.
In Patent Document 4, water is sprayed on the rice husk to wet the surface, and then the vegetable adhesive powder is sprayed, water is further sprayed to liquefy the vegetable adhesive powder, and the rice husk is stirred and mixed with a stirrer. It is time-consuming for the adhesion process.
Patent Document 5 is an invention pursuing heat insulation, which is the basis for the development of building materials having sound insulation.
本発明は、籾殻と接着剤との撹拌混合時に、籾殻が破砕されず、しかも、水分除去状態で籾殻全体に接着剤をコーティングすることにより、強固で断熱性と遮音性の高い籾殻建築資材の提供をその目的とするものである。 In the present invention, the rice husk is not crushed at the time of stirring and mixing the rice husk and the adhesive, and the rice husk is coated with the adhesive on the entire rice husk in a moisture-removed state. The purpose is to provide.
本発明の請求項1に記載した籾殻建築資材は、籾殻100重量%に対して水分5重量%が含浸された湿潤状態で、木材接着剤用架橋剤10乃至15重量%がコーティングされ、140℃で5分乃至7分間の加熱負荷による脱水処理と、0.9kg/cm2の圧力による60〜70%容量縮減処理とによる籾殻が破砕されない条件で処理されて成る。
請求項2に記載した籾殻建築資材の製造方法は、籾殻100重量%に対して水分5重量%を噴霧して均一散布撹拌する水分湿潤工程と、該工程に続き木材接着剤用架橋剤10乃至15重量%を加えて十二分に撹拌する接着剤コーティング工程と、140℃で5分乃至7分間の加熱負荷による脱水処理工程と、0.9kg/cm2の圧力による60〜70%容量縮減処理工程とによる籾殻が破砕されない条件の処理工程とから成る。
The rice husk building material according to claim 1 of the present invention is coated with 10 to 15% by weight of a cross-linking agent for wood adhesive in a wet state in which 5% by weight of water is impregnated with 100% by weight of rice husk, and 140 ° C. in the dehydration treatment by heating load of 5 minutes to 7 minutes, chaff by the 60% to 70% volume reduction treatment with a pressure of 0.9 kg / cm 2, which are treated under conditions which will not be crushed.
The method for producing rice husk building material according to
本発明は、籾殻の湿潤状態で接着剤を籾殻全体にコーティングできるから、各籾殻の剛直性による破砕がなく、接着剤固化後の各籾殻に十分な空隙が確保され、建築資材として使用されるときに断熱性と遮音性に優れる効果を呈する。 In the present invention, since the adhesive can be coated on the entire rice husk in the wet state of the rice husk, there is no crushing due to the rigidity of each rice husk, and sufficient space is secured in each rice husk after the adhesive is solidified, which is used as a building material. Sometimes exhibits excellent heat insulation and sound insulation.
本発明に用いられる木材接着剤用架橋剤は撥水性を有し、水分を含有させた湿潤後の籾殻に該架橋剤を加えて十二分に撹拌すると、水と混じり合わない性質から籾殻全体に該架橋剤がコーティングされるもので、脱水処理による水分の蒸発と、各金型における60〜70%の容量縮減処理とによって強固に成型される。 The cross-linking agent for wood adhesive used in the present invention has water repellency, and if the cross-linking agent is added to the wet rice husk containing moisture and stirred sufficiently, the entire rice husk is not mixed with water. The cross-linking agent is coated on the surface, and is firmly molded by evaporation of moisture by dehydration and 60-70% capacity reduction treatment in each mold.
本発明の籾殻建築資材の製造方法により製造される籾殻建築資材Aを実施例により説明すると、籾殻100重量%に対して水分5重量%を噴霧して均一に散布撹拌し、籾殻1を十分に湿潤して柔軟状態にした後、撥水性樹脂接着剤としての木材接着剤用架橋剤2を10乃至15重量%を加えて十二分に撹拌し、籾殻1の全体に該架橋剤2をコーティングし、次いで、加圧用の図外の金型(種々その形状は選択される。)で、140℃の加熱温度で5分乃至7分間の加熱負荷をかけ、脱水処理して水分を蒸発させ、さらに、0.9kg/cm2の所要圧力で67%の容量縮減処理して図1に示す平面寸法1000×2000mmの籾殻建築資材Aが成型される。なお、図1で示される籾殻1はまばらであるが簡略して表現したもので、実際は67%の容量に圧縮された密な状態である。
The rice husk building material A manufactured by the method for manufacturing rice husk building material according to the present invention will be described by way of an example. Spraying and stirring uniformly 5% by weight of water with respect to 100% by weight of rice husk, After moistening and softening, add 10 to 15% by weight of a
このようにして成型された籾殻建築資材Aは、各籾殻1が湿潤状態で架橋剤2がコーティングされ、破砕されることなく脱水処理されたものであるから、水分蒸発後の各籾殻1には多くの空隙3が確保され、強固で断熱性と遮音性の高い特性をもつ。
したがって、この籾殻建築資材Aは断熱、遮音効果の期待される木製建具のコア材や、室内用の化粧用内装材としての平板状のパネル材や図1に示すような凹部4と凸部5を有するパネル材に使用される。
Since the rice husk building material A molded in this manner is coated with the
Therefore, this rice husk building material A is a core material of a wooden fitting that is expected to have a heat insulation and sound insulation effect, a flat panel material as an interior decoration material for indoor use, and a concave portion 4 and a convex portion 5 as shown in FIG. It is used for the panel material which has.
本発明は、籾殻にコーティングされる接着剤が室内空気質汚染対策に適合した自主管理規定製品であるため、環境に優しく無公害であり、建材業界の活性化及び籾殻の有効利用による農業経営の効率化の点で農業稲作業界の活性化にも資するものである。 The present invention is an environmentally friendly and non-polluting product because the adhesive coated on the rice husk is a self-regulated product that is compatible with indoor air pollution countermeasures. It also contributes to the revitalization of the agricultural rice industry in terms of efficiency.
1:籾殻
2:木材接着剤用架橋剤
3:空隙
4:凹部
5:凸部
A:籾殻建築資材
1: Rice hulls 2: Cross-linking agent for wood adhesives 3: Gaps 4: Recesses 5: Protrusions A: Rice hull building materials
Claims (2)
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JP2009220740A JP4585605B1 (en) | 2009-09-25 | 2009-09-25 | Rice husk building material and its manufacturing method |
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JP2009220740A JP4585605B1 (en) | 2009-09-25 | 2009-09-25 | Rice husk building material and its manufacturing method |
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JP4585605B1 JP4585605B1 (en) | 2010-11-24 |
JP2011069102A true JP2011069102A (en) | 2011-04-07 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104985649A (en) * | 2015-07-27 | 2015-10-21 | 丁岩 | Maize straw sectional material |
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CN105034089A (en) * | 2015-07-27 | 2015-11-11 | 丁岩 | Corn stalk sheet material |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5367766A (en) * | 1976-11-30 | 1978-06-16 | Japan Synthetic Rubber Co Ltd | Molded articles of chaff |
JPH068968A (en) * | 1992-06-22 | 1994-01-18 | Hitoshi Hayakawa | Chaff heat insulating cushioning material and method for its production |
JP2002003263A (en) * | 2000-06-15 | 2002-01-09 | Taitaro Fujii | Flame retardant chaff product |
JP2002003279A (en) * | 2000-06-15 | 2002-01-09 | Taitaro Fujii | Fire resistance chaff board |
JP3716371B2 (en) * | 2002-06-24 | 2005-11-16 | 寿男 鈴木 | Rice husk-free pollution insulation |
JP2008291235A (en) * | 2007-04-27 | 2008-12-04 | Nippon Synthetic Chem Ind Co Ltd:The | Chaff molded product and production method thereof |
-
2009
- 2009-09-25 JP JP2009220740A patent/JP4585605B1/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5367766A (en) * | 1976-11-30 | 1978-06-16 | Japan Synthetic Rubber Co Ltd | Molded articles of chaff |
JPH068968A (en) * | 1992-06-22 | 1994-01-18 | Hitoshi Hayakawa | Chaff heat insulating cushioning material and method for its production |
JP2002003263A (en) * | 2000-06-15 | 2002-01-09 | Taitaro Fujii | Flame retardant chaff product |
JP2002003279A (en) * | 2000-06-15 | 2002-01-09 | Taitaro Fujii | Fire resistance chaff board |
JP3716371B2 (en) * | 2002-06-24 | 2005-11-16 | 寿男 鈴木 | Rice husk-free pollution insulation |
JP2008291235A (en) * | 2007-04-27 | 2008-12-04 | Nippon Synthetic Chem Ind Co Ltd:The | Chaff molded product and production method thereof |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104985649A (en) * | 2015-07-27 | 2015-10-21 | 丁岩 | Maize straw sectional material |
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JP4585605B1 (en) | 2010-11-24 |
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