JP2006008448A5 - - Google Patents
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- JP2006008448A5 JP2006008448A5 JP2004188082A JP2004188082A JP2006008448A5 JP 2006008448 A5 JP2006008448 A5 JP 2006008448A5 JP 2004188082 A JP2004188082 A JP 2004188082A JP 2004188082 A JP2004188082 A JP 2004188082A JP 2006008448 A5 JP2006008448 A5 JP 2006008448A5
- Authority
- JP
- Japan
- Prior art keywords
- gypsum
- board
- rock wool
- gypsum board
- sound absorbing
- 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.)
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Description
また、本発明の他の特徴は、上述の各石膏ボードと岩綿吸音板の複合廃棄物のリサイクル方法を用いて製造された岩綿を含む石膏ボードである。
また、さらに、他の特徴は、上記岩綿を含む石膏ボード製造時に凝結促進剤を使用することを特徴とする。
また、さらに、上記凝結促進剤が硫酸アルミニウム、硫酸鉄及び硫酸カリウムの少なくとも一種類であることを特徴とする。
Moreover, the other characteristic of this invention is the gypsum board containing the rock wool manufactured using the recycling method of the composite waste of each gypsum board and the rock wool sound absorption board mentioned above.
Furthermore, another feature is that a setting accelerator is used during the production of the gypsum board containing the rock wool.
Furthermore, the setting accelerator is at least one of aluminum sulfate, iron sulfate and potassium sulfate.
Claims (8)
前記工程により得られた粉砕物から金属異物及び石膏ボード由来の紙片を分別除去して紙片含有量を３重量％以下の石膏と岩綿の複合粉体を得る工程と、
前記複合粉体を石膏ボード製造用の新規原料石膏に対する割合が２〜４０重量％であり、かつ岩綿として１〜２０重量％となるように新規原料石膏と配合して石膏ボードを製造する工程と、
を有することを特徴とする石膏ボードと岩綿吸音板の複合廃棄物のリサイクル方法。 Crushing composite waste of gypsum board and rock wool sound absorbing board;
A step of obtaining a composite powder of gypsum and rock wool having a paper piece content of 3% by weight or less by separating and removing metal foreign objects and paper pieces derived from gypsum board from the pulverized product obtained by the above-mentioned step;
A step of producing a gypsum board by blending the composite powder with a new raw material gypsum such that the ratio of the composite powder to the new raw gypsum for producing the gypsum board is 2 to 40% by weight and 1% to 20% by weight as rock wool When,
A method for recycling composite waste of gypsum board and rock wool sound absorbing board characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004188082A JP4651978B2 (en) | 2004-06-25 | 2004-06-25 | Recycling method of composite waste of gypsum board and rock wool sound absorbing board and gypsum board containing rock wool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004188082A JP4651978B2 (en) | 2004-06-25 | 2004-06-25 | Recycling method of composite waste of gypsum board and rock wool sound absorbing board and gypsum board containing rock wool |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2006008448A JP2006008448A (en) | 2006-01-12 |
| JP2006008448A5 true JP2006008448A5 (en) | 2007-07-26 |
| JP4651978B2 JP4651978B2 (en) | 2011-03-16 |
Family
ID=35776097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004188082A Active JP4651978B2 (en) | 2004-06-25 | 2004-06-25 | Recycling method of composite waste of gypsum board and rock wool sound absorbing board and gypsum board containing rock wool |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4651978B2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080176053A1 (en) * | 2007-01-24 | 2008-07-24 | United States Cypsum Company | Gypsum Wallboard Containing Acoustical Tile |
| US20150376063A1 (en) * | 2014-06-27 | 2015-12-31 | Boral Ip Holdings (Australia) Pty Limited | Ultra-Lightweight Gypsum Wallboard |
| CN104211364A (en) * | 2014-09-11 | 2014-12-17 | 荣成炭谷有限公司 | Sound-absorbing light-insulating heat-preserving material and preparation method thereof |
| DE102015120721B4 (en) | 2015-11-30 | 2018-01-25 | Jörg Gröper | Use of self-hardening bodies at normal temperature and atmospheric pressure |
| JP7284691B2 (en) * | 2019-11-14 | 2023-05-31 | 株式会社トクヤマ | Waste gypsum board processing method |
| JP7349924B2 (en) | 2020-02-04 | 2023-09-25 | 株式会社トクヤマ | How to recover metal from plasterboard waste |
| DE102022130877A1 (en) | 2022-09-29 | 2024-04-04 | 3 R RE:CYCON GmbH | Method for producing a shaped body |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09165244A (en) * | 1995-12-13 | 1997-06-24 | Chichibu Onoda Cement Corp | Production of gypsum board |
| JPH10286553A (en) * | 1997-04-15 | 1998-10-27 | Tomei Kogyo Kk | Method for treatment of waste plasterboard |
| JPH1112019A (en) * | 1997-06-20 | 1999-01-19 | Mitsui Chem Inc | Gypsum board for interior wall and its production |
| JP2002097058A (en) * | 2000-09-19 | 2002-04-02 | Nitto Boseki Co Ltd | Method for recycling construction waste material including gypsum board |
-
2004
- 2004-06-25 JP JP2004188082A patent/JP4651978B2/en active Active
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