JPS55137158A - Preparing fire-resistant polyamide composition - Google Patents

Preparing fire-resistant polyamide composition

Info

Publication number
JPS55137158A
JPS55137158A JP4461679A JP4461679A JPS55137158A JP S55137158 A JPS55137158 A JP S55137158A JP 4461679 A JP4461679 A JP 4461679A JP 4461679 A JP4461679 A JP 4461679A JP S55137158 A JPS55137158 A JP S55137158A
Authority
JP
Japan
Prior art keywords
polyamide
melamine
mixed
cyanuric acid
molten
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
JP4461679A
Other languages
Japanese (ja)
Other versions
JPS5841295B2 (en
Inventor
Hiroshi Oshita
Tadao Tsutsumi
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 Toray Industries Inc filed Critical Toray Industries Inc
Priority to JP4461679A priority Critical patent/JPS5841295B2/en
Priority to US06/138,690 priority patent/US4321189A/en
Priority to DE8080101940T priority patent/DE3066797D1/en
Priority to EP80101940A priority patent/EP0017925B1/en
Publication of JPS55137158A publication Critical patent/JPS55137158A/en
Priority to US06/240,576 priority patent/US4363890A/en
Publication of JPS5841295B2 publication Critical patent/JPS5841295B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PURPOSE: To provide a polyamide composition giving a molded product excellent in fire resistance and having a good appearance, by a method wherein a polyamide is molten and mixed with either one of melamine and cyanuric acid and then with another.
CONSTITUTION: When a polyamide is mixed with an equal mole of both, melamine and cyanuric acid, either one of them is preliminarily molten and mixed. Then, to this mixture, another one is molten and mixed. The effect of this method comes from the fact that melt mixing of melamine and cyanuric acid causes easy reaction of each other to form melamine cyanurate. The reason for easy reaction seems to be due to separate melting and mixing of melamine and cyanuric acid with polyamide, which then enhances compatibility of both. A preferable temperature for melting and mixing is a temperature 5W80°C higher than m.p. of polyamide being used.
COPYRIGHT: (C)1980,JPO&Japio
JP4461679A 1979-04-12 1979-04-12 Method for producing flame-retardant polyamide composition Expired JPS5841295B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP4461679A JPS5841295B2 (en) 1979-04-12 1979-04-12 Method for producing flame-retardant polyamide composition
US06/138,690 US4321189A (en) 1979-04-12 1980-04-09 Flame retardant polyamide molding resin containing melamine cyanurate finely dispersed therein
DE8080101940T DE3066797D1 (en) 1979-04-12 1980-04-10 Flame retardant polyamide molding resin and process for its preparation
EP80101940A EP0017925B1 (en) 1979-04-12 1980-04-10 Flame retardant polyamide molding resin and process for its preparation
US06/240,576 US4363890A (en) 1979-04-12 1981-03-09 Process for producing flame retardant polyamide molding resin containing melamine cyanurate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4461679A JPS5841295B2 (en) 1979-04-12 1979-04-12 Method for producing flame-retardant polyamide composition

Publications (2)

Publication Number Publication Date
JPS55137158A true JPS55137158A (en) 1980-10-25
JPS5841295B2 JPS5841295B2 (en) 1983-09-10

Family

ID=12696364

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4461679A Expired JPS5841295B2 (en) 1979-04-12 1979-04-12 Method for producing flame-retardant polyamide composition

Country Status (1)

Country Link
JP (1) JPS5841295B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002531665A (en) * 1998-12-10 2002-09-24 ソリユテイア・インコーポレイテツド Non-halogenated polyamide composition

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6137889U (en) * 1984-08-08 1986-03-08 達雄 永井 soap bag

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002531665A (en) * 1998-12-10 2002-09-24 ソリユテイア・インコーポレイテツド Non-halogenated polyamide composition

Also Published As

Publication number Publication date
JPS5841295B2 (en) 1983-09-10

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