JP2005232668A5 - - Google Patents
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- JP2005232668A5 JP2005232668A5 JP2004283381A JP2004283381A JP2005232668A5 JP 2005232668 A5 JP2005232668 A5 JP 2005232668A5 JP 2004283381 A JP2004283381 A JP 2004283381A JP 2004283381 A JP2004283381 A JP 2004283381A JP 2005232668 A5 JP2005232668 A5 JP 2005232668A5
- Authority
- JP
- Japan
- Prior art keywords
- thermoplastic resin
- melt spinning
- spinning method
- resin chips
- chips
- 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.)
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Claims (8)
0.4≦A1/B1≦2.5 [1]
0.5≦A2/B2≦2 [2]
A3−B3<−3、3<A3−B3 [4]
ただし、安息角A3、B3の単位は°とする。 In the method of blending and spinning the thermoplastic resin chips A and B having different specific gravities, the grain weights A 1 and B 1 and the major axis / minor axis ratio A 2 and B 2 are the following [1], [2], [4] A melt spinning method characterized by satisfying the formula and adding 10 ppm or more of a surfactant to the thermoplastic resin chips A and B.
0.4 ≦ A 1 / B 1 ≦ 2.5 [1]
0.5 ≦ A 2 / B 2 ≦ 2 [2]
A 3 -B 3 <-3,3 <A 3 -B 3 [4]
However, the unit of repose angles A 3 and B 3 is °.
0.4≦A1/B1≦2.5 [1]
0.5≦A2/B2≦2 [2]
−3≦A3−B3≦3 [3]
ただし、粒重量A1、B1の単位は粒3000個あたりのグラム数、安息角A3、B3の単位は°とする。長径/短径比A2、B2は無次元数である。 In a method in which thermoplastic resin chips A and B having different specific gravities are blended and melt-spun, the particle weights of the thermoplastic resin chips A and B are A 1 and B 1 , and the major axis / minor axis ratio is A 2 , B 2. A melt spinning method using thermoplastic resin chips A and B that satisfy all the following formulas when the angle of repose is A 3 and B 3 .
0.4 ≦ A 1 / B 1 ≦ 2.5 [1]
0.5 ≦ A 2 / B 2 ≦ 2 [2]
−3 ≦ A 3 −B 3 ≦ 3 [3]
However, the unit of the grain weights A 1 and B 1 is the number of grams per 3000 grains, and the unit of the repose angles A 3 and B 3 is °. The major axis / minor axis ratios A 2 and B 2 are dimensionless numbers.
0.3≦A4/B4≦3 [5] 3. The melt spinning method according to claim 1, wherein the following formula is satisfied when the compression ratios of the thermoplastic resin chips A and B are A 4 and B 4 , respectively:
0.3 ≦ A 4 / B 4 ≦ 3 [5]
(Lw−Lb)/(LW−LB)×100 (%) [6]
ここで、LWはカラースタンダード白板のL値、LBは黒板のL値、Lwはカラースタンダード白板上に静置したときの織編物のL値、Lbは黒板上に静置したときの織編物のL値を示す。 A woven or knitted fabric characterized by using the polyhexamethylene adipamide fiber according to any one of claims 5 to 7 and having a light transmittance of 15% or less determined by the following formula.
(Lw−Lb) / (LW−LB) × 100 (%) [6]
Here, LW is the L value of the color standard white board, LB is the L value of the blackboard, Lw is the L value of the woven or knitted fabric when left on the color standard white board, and Lb is the woven or knitted fabric when left on the blackboard. L value is shown.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004283381A JP2005232668A (en) | 2004-01-23 | 2004-09-29 | Melt-spinning method and yarn |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004016401 | 2004-01-23 | ||
JP2004283381A JP2005232668A (en) | 2004-01-23 | 2004-09-29 | Melt-spinning method and yarn |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005232668A JP2005232668A (en) | 2005-09-02 |
JP2005232668A5 true JP2005232668A5 (en) | 2007-12-06 |
Family
ID=35015913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004283381A Pending JP2005232668A (en) | 2004-01-23 | 2004-09-29 | Melt-spinning method and yarn |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2005232668A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007100224A (en) * | 2005-09-30 | 2007-04-19 | Toray Ind Inc | Apparatus and method for melting and extruding resin material |
JP4858016B2 (en) * | 2005-09-30 | 2012-01-18 | 東レ株式会社 | Melt spinning method and melt spinning apparatus |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09291211A (en) * | 1996-04-25 | 1997-11-11 | Toray Ind Inc | Mixed polyamide chip, its production and polyamide moldings |
JPH1018126A (en) * | 1996-06-28 | 1998-01-20 | Toray Ind Inc | Production of high strength polyamide fiber |
JP2003342834A (en) * | 2002-05-27 | 2003-12-03 | Toray Ind Inc | Polyamide fiber and cloth comprising the same |
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2004
- 2004-09-29 JP JP2004283381A patent/JP2005232668A/en active Pending
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