JPS55125127A - Production of highly foamed polyamide polymer - Google Patents
Production of highly foamed polyamide polymerInfo
- Publication number
- JPS55125127A JPS55125127A JP3206279A JP3206279A JPS55125127A JP S55125127 A JPS55125127 A JP S55125127A JP 3206279 A JP3206279 A JP 3206279A JP 3206279 A JP3206279 A JP 3206279A JP S55125127 A JPS55125127 A JP S55125127A
- Authority
- JP
- Japan
- Prior art keywords
- polyamide
- nylon
- carboxylic acid
- unsaturated carboxylic
- highly foamed
- 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.)
- Granted
Links
Landscapes
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
PURPOSE: To produce a heat-resistant, tough, highly foamed product of a closed cellular structure, by adding a physical blowing agent to a mixture containing a polyamide and metal ion-crosslinked α-olefin polymer in a specific mixing ratio, and then, subjecting the resulting mixture to foaming conditions.
CONSTITUTION: One hundred pts.wt. of a polyamide such as nylon 6, nylon 10 or nylon 6.12, is mixed, by melting, with 40W90pts.wt. of a metal ion-crosslinked α- olefin polymer (ionomer) comprising, each represented by a molar fraction, 0.9W 0.98 of an α-olefin; 0.05W0.5 of an alkyl ester of an unsaturated carboxylic acid; 0.05W0.9 of a metal salt of an unsaturated carboxylic acid and the balance of an unsaturated carboxylic acid. Into the resulting molten mixture a physical blowing agent, e.g., CH2Cl2, which is volatile, dissolves the ionomer (solubility of 10W 90%) and has a boiling point not higher than the melting point of the polyamide, is pressurized. The final mixture is extruded into a low-pressure zone thereby to produce a highly foamed product of a closed celluar structure having a density of below 0.1g/cc and well-dispersed closed cells.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3206279A JPS55125127A (en) | 1979-03-19 | 1979-03-19 | Production of highly foamed polyamide polymer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3206279A JPS55125127A (en) | 1979-03-19 | 1979-03-19 | Production of highly foamed polyamide polymer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55125127A true JPS55125127A (en) | 1980-09-26 |
JPS6221015B2 JPS6221015B2 (en) | 1987-05-11 |
Family
ID=12348384
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3206279A Granted JPS55125127A (en) | 1979-03-19 | 1979-03-19 | Production of highly foamed polyamide polymer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55125127A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008023284A (en) * | 2006-07-19 | 2008-02-07 | Keetekku:Kk | Folding table |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53106770A (en) * | 1977-03-01 | 1978-09-18 | Asahi Chem Ind Co Ltd | Polyamide formmoldings |
-
1979
- 1979-03-19 JP JP3206279A patent/JPS55125127A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53106770A (en) * | 1977-03-01 | 1978-09-18 | Asahi Chem Ind Co Ltd | Polyamide formmoldings |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008023284A (en) * | 2006-07-19 | 2008-02-07 | Keetekku:Kk | Folding table |
Also Published As
Publication number | Publication date |
---|---|
JPS6221015B2 (en) | 1987-05-11 |
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