JPS5724619A - Arresting of free formaldehyde - Google Patents
Arresting of free formaldehydeInfo
- Publication number
- JPS5724619A JPS5724619A JP10014680A JP10014680A JPS5724619A JP S5724619 A JPS5724619 A JP S5724619A JP 10014680 A JP10014680 A JP 10014680A JP 10014680 A JP10014680 A JP 10014680A JP S5724619 A JPS5724619 A JP S5724619A
- Authority
- JP
- Japan
- Prior art keywords
- holder
- cast
- covered
- treating
- gypsum
- 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
Landscapes
- Treating Waste Gases (AREA)
Abstract
PURPOSE: To prevent the release of HCHO by covering a material to be processed with a holder bearing a HCHO arrestor or arranging the holder in a processing device.
CONSTITUTION: In case where the surface of a material to be processed is covered, an aqueous solution of an arrestor, e.g., urea, melamine, etc., is coated on a holder, e.g., nonwoven fabric, etc., and then dried to obtain a treating holder. The holder is provided to the bottom or inner wall of molding form. For example, gypsum slurry containing formaldehyde resin is cast in a form, the treating holder is soon overlaid on the surface of the cast resin, the cast gypsum is removed from the form after hardening to form a covered gypsum plate, and then the covered gypsum plate is further cured in a dryer. Or, the treating holder may be placed at the exhaust port of a dryer.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10014680A JPS5724619A (en) | 1980-07-22 | 1980-07-22 | Arresting of free formaldehyde |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10014680A JPS5724619A (en) | 1980-07-22 | 1980-07-22 | Arresting of free formaldehyde |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5724619A true JPS5724619A (en) | 1982-02-09 |
Family
ID=14266170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10014680A Pending JPS5724619A (en) | 1980-07-22 | 1980-07-22 | Arresting of free formaldehyde |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5724619A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002145655A (en) * | 2000-11-07 | 2002-05-22 | Yoshino Gypsum Co Ltd | Gypsum building material |
CN107151462A (en) * | 2017-04-05 | 2017-09-12 | 介休市博创纳米材料科技有限公司 | It is a kind of long-acting except aldehyde, antibacterial, mould proof house ornamentation spray and its manufacture method |
-
1980
- 1980-07-22 JP JP10014680A patent/JPS5724619A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002145655A (en) * | 2000-11-07 | 2002-05-22 | Yoshino Gypsum Co Ltd | Gypsum building material |
CN107151462A (en) * | 2017-04-05 | 2017-09-12 | 介休市博创纳米材料科技有限公司 | It is a kind of long-acting except aldehyde, antibacterial, mould proof house ornamentation spray and its manufacture method |
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