JPS5655236A - Manufacture of foamed product made from unsaturated nitrile resin - Google Patents
Manufacture of foamed product made from unsaturated nitrile resinInfo
- Publication number
- JPS5655236A JPS5655236A JP13108579A JP13108579A JPS5655236A JP S5655236 A JPS5655236 A JP S5655236A JP 13108579 A JP13108579 A JP 13108579A JP 13108579 A JP13108579 A JP 13108579A JP S5655236 A JPS5655236 A JP S5655236A
- Authority
- JP
- Japan
- Prior art keywords
- unsaturated nitrile
- resin powder
- water content
- nitrile resin
- sealing condition
- 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
- 239000011347 resin Substances 0.000 title abstract 7
- 229920005989 resin Polymers 0.000 title abstract 7
- 150000002825 nitriles Chemical class 0.000 title abstract 5
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000000843 powder Substances 0.000 abstract 5
- 238000000034 method Methods 0.000 abstract 4
- 238000007789 sealing Methods 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- 239000004698 Polyethylene Substances 0.000 abstract 1
- 230000005484 gravity Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- -1 polyethylene Polymers 0.000 abstract 1
- 229920000573 polyethylene Polymers 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
Classifications
-
- B29C47/92—
Landscapes
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Abstract
PURPOSE:To eliminate an sanitary problem and to enable the economical production of the subject product, by a method wherein a given amount of water content is existed in a given unsaturated nitrile resin powdery object, said powdery substance is held in a sealing condition at the specified temperature and period of time, and is extruded or extrusion-molded. CONSTITUTION:There exists 0.7-2.5wt% of water content in an unsaturated nitrile resin powder whose apparent specific gravity is 0.2-0.45 and which contains 40-90wt% of an unsaturated nitrile component. After the resin powder is held in a sealing condition at 0-80 deg.C for 10hr or more, it is extruded or extrudion-molded to produce the foamed product. A method in which a given amount of water content exists in the unsaturated nitrile resin powder, causes the resin powder to dry so that the mixture is performed by means of a blender so that a watercontent becomes 0.7-2.5wt%, can be adopted. One of methods to hold in a sealing condition is a method in which a polyethylene inner paper bag, a metallic container, etc. are filled with the resin powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13108579A JPS5655236A (en) | 1979-10-11 | 1979-10-11 | Manufacture of foamed product made from unsaturated nitrile resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13108579A JPS5655236A (en) | 1979-10-11 | 1979-10-11 | Manufacture of foamed product made from unsaturated nitrile resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5655236A true JPS5655236A (en) | 1981-05-15 |
Family
ID=15049626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13108579A Pending JPS5655236A (en) | 1979-10-11 | 1979-10-11 | Manufacture of foamed product made from unsaturated nitrile resin |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5655236A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5033096A (en) * | 1973-07-28 | 1975-03-31 |
-
1979
- 1979-10-11 JP JP13108579A patent/JPS5655236A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5033096A (en) * | 1973-07-28 | 1975-03-31 |
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