JPS57101021A - Blended fiber and its preparation - Google Patents
Blended fiber and its preparationInfo
- Publication number
- JPS57101021A JPS57101021A JP17207580A JP17207580A JPS57101021A JP S57101021 A JPS57101021 A JP S57101021A JP 17207580 A JP17207580 A JP 17207580A JP 17207580 A JP17207580 A JP 17207580A JP S57101021 A JPS57101021 A JP S57101021A
- Authority
- JP
- Japan
- Prior art keywords
- fibers
- pet
- melt
- polyazomethine
- polyethylene terephthalate
- 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
- Artificial Filaments (AREA)
Abstract
PURPOSE: To obtain the titled fibers, having improved strength and Young's modulus and heat shrinkage, by mixing polyethylene terephthalate (PET) with a polyazomethine having the ability to form the melt anisotropy, melt extruding the mixture, and drawing the resultant fibers.
CONSTITUTION: (A) 70W99.5wt% polyethylene terephthalate (PET) having a reduced viscosity of preferably 0.7W1.5 is mixed with (B) 0.5W30wt%, preferably 1W15wt%, polyazomethine, having a flow temperature between 250 and 350°C, and capable of forming the optically anisotropic phase (liquid crystal phase) on heat melting, preferably having a flow temperature of 250W350°C, and melt extruded. The resultant fibers are then drawn to give the aimed fibers having an aspect ratio of the dispersed component (B) ≥1.5 (ratio between the length in the long direction of the fibers and the length in the direction perpendicular to the long direction of the fibers) and a degree of crystal orientation of at least 80% measured by the X-ray diffractometry of the PET part. The components (A) and (B) may be melt extruded while mixed with each other.
USE: Tire cords, etc.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17207580A JPS57101021A (en) | 1980-12-08 | 1980-12-08 | Blended fiber and its preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17207580A JPS57101021A (en) | 1980-12-08 | 1980-12-08 | Blended fiber and its preparation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57101021A true JPS57101021A (en) | 1982-06-23 |
| JPS6312174B2 JPS6312174B2 (en) | 1988-03-17 |
Family
ID=15935070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17207580A Granted JPS57101021A (en) | 1980-12-08 | 1980-12-08 | Blended fiber and its preparation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57101021A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989002939A1 (en) * | 1987-10-01 | 1989-04-06 | Toray Industries, Inc. | High-strength liquid crystal resin moldings, liquid crystal resin composites, and processes for their production |
-
1980
- 1980-12-08 JP JP17207580A patent/JPS57101021A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989002939A1 (en) * | 1987-10-01 | 1989-04-06 | Toray Industries, Inc. | High-strength liquid crystal resin moldings, liquid crystal resin composites, and processes for their production |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6312174B2 (en) | 1988-03-17 |
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