JPS55125127A - Production of highly foamed polyamide polymer - Google Patents

Production of highly foamed polyamide polymer

Info

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
Application number
JP3206279A
Other languages
Japanese (ja)
Other versions
JPS6221015B2 (en
Inventor
Hiroshi Shimizu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Dow Ltd
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Dow Ltd
Asahi Chemical Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Asahi Dow Ltd, Asahi Chemical Industry Co Ltd filed Critical Asahi Dow Ltd
Priority to JP3206279A priority Critical patent/JPS55125127A/en
Publication of JPS55125127A publication Critical patent/JPS55125127A/en
Publication of JPS6221015B2 publication Critical patent/JPS6221015B2/ja
Granted legal-status Critical Current

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
JP3206279A 1979-03-19 1979-03-19 Production of highly foamed polyamide polymer Granted JPS55125127A (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008023284A (en) * 2006-07-19 2008-02-07 Keetekku:Kk Folding table

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53106770A (en) * 1977-03-01 1978-09-18 Asahi Chem Ind Co Ltd Polyamide formmoldings

Patent Citations (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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