JPS56107015A - Production of polyester fiber with excellent color- developing property - Google Patents
Production of polyester fiber with excellent color- developing propertyInfo
- Publication number
- JPS56107015A JPS56107015A JP563580A JP563580A JPS56107015A JP S56107015 A JPS56107015 A JP S56107015A JP 563580 A JP563580 A JP 563580A JP 563580 A JP563580 A JP 563580A JP S56107015 A JPS56107015 A JP S56107015A
- Authority
- JP
- Japan
- Prior art keywords
- alkali
- fine particles
- inorganic fine
- fibers
- developing property
- 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
Abstract
PURPOSE: An isophthalic acid bearing an alkali sulfonate group is copolymerized and specific inert inorganic fine particles are included to give polyester fibers, which are strongly twisted and treated with an alkali to improve the color-developing property markedly.
CONSTITUTION: Polyester fibers containing (A) 0.1W4wt%, preferably 0.3W2wt%, of inert and inorganic fine particles with an average primary particle size of less than 5μ, preferably less than 100mμ, selected from the groups consisting of silicon- containing inorganic fine particles, oxides and salts of metals of Group II in the periodic table, aluminum oxide, thorium oxide and zirconium oxide and and (B) 1W7mol%, based on the total dicarboxylic acids, of an isophthalic acid bearing an alkali sulfonate group are strongly twisted, preferably to 5,500W25,000 twisting number or falsely twisted. Then, the fibers are treated with an alkali, preferably reduced in weight by 10W30% to give the objective fibers.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP563580A JPS56107015A (en) | 1980-01-23 | 1980-01-23 | Production of polyester fiber with excellent color- developing property |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP563580A JPS56107015A (en) | 1980-01-23 | 1980-01-23 | Production of polyester fiber with excellent color- developing property |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56107015A true JPS56107015A (en) | 1981-08-25 |
Family
ID=11616598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP563580A Pending JPS56107015A (en) | 1980-01-23 | 1980-01-23 | Production of polyester fiber with excellent color- developing property |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56107015A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111041607A (en) * | 2019-11-05 | 2020-04-21 | 杭州逸暻化纤有限公司 | Skin-core structure deep-dyed polyester fiber and preparation method thereof |
-
1980
- 1980-01-23 JP JP563580A patent/JPS56107015A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111041607A (en) * | 2019-11-05 | 2020-04-21 | 杭州逸暻化纤有限公司 | Skin-core structure deep-dyed polyester fiber and preparation method thereof |
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