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Volume 22, Issue 9
Displaying 1-9 of 9 articles from this issue
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[in Japanese]1981 Volume 22 Issue 9 Pages 362-364
Published: September 25, 1981
Released on J-STAGE: September 30, 2010
JOURNAL FREE ACCESSDownload PDF (1726K) -
[in Japanese]1981 Volume 22 Issue 9 Pages 365
Published: September 25, 1981
Released on J-STAGE: September 30, 2010
JOURNAL FREE ACCESSDownload PDF (228K) -
[in Japanese]1981 Volume 22 Issue 9 Pages 366-368
Published: September 25, 1981
Released on J-STAGE: September 30, 2010
JOURNAL FREE ACCESSDownload PDF (466K) -
[in Japanese]1981 Volume 22 Issue 9 Pages 369-374
Published: September 25, 1981
Released on J-STAGE: September 30, 2010
JOURNAL FREE ACCESSDownload PDF (685K) -
[in Japanese]1981 Volume 22 Issue 9 Pages 375-379
Published: September 25, 1981
Released on J-STAGE: September 30, 2010
JOURNAL FREE ACCESSDownload PDF (5859K) -
[in Japanese]1981 Volume 22 Issue 9 Pages 380-384
Published: September 25, 1981
Released on J-STAGE: September 30, 2010
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[in Japanese], [in Japanese], [in Japanese]1981 Volume 22 Issue 9 Pages 388-391
Published: September 25, 1981
Released on J-STAGE: September 30, 2010
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Hatsune Tsuzuku, Katsuhiko Inagaki, Akira Nakayama, Shigeaki Nagai1981 Volume 22 Issue 9 Pages 392-396
Published: September 25, 1981
Released on J-STAGE: September 30, 2010
JOURNAL FREE ACCESSAccording to the parameters proposed in the previous paper, it is considered that the air permeability under high-speed air flow of 15m/sec. is different from that under low-speed air flow of 2.5m/sec. The speed of the air-flow of the Frazier permeometer specified in the Japanese Industrial Standard (JIS) virtualy corresponds to the high-speed air flow. In this paper, a new testing method has been developed to determine the air permeability of fabrics under low-speed air flow by measuring the displacement speed of a foam of the soap solution. A possibility has been discussed to apply the testing condition specified in the JIS to the determination of an air permeability of fabrics under low speed air flow.
The results have shown that the parameters A and B are well applicable to the representation of air permeability of fabrics under both high-and low-speed air flow. The order of air permeability of fabrics under hign-speed air flow does not necessarily coincide with that under low-speed air flow. Thus it is unreasonable to represent the air permeability of fabrics only by the test results determined by the Frazier permeometer specified in the JIS.View full abstractDownload PDF (2080K) -
Part 1 : The Shrinkage of Wool Knitted FabricsMaomi Tobari, Tamie Ishida, Takezo Tanaka, Shinro Watanabe, Masuzo Nag ...1981 Volume 22 Issue 9 Pages 397-402
Published: September 25, 1981
Released on J-STAGE: September 30, 2010
JOURNAL FREE ACCESSThe purpose of this study is to estimate the effects of detergents on shrinkage of wool knitted fabrics. The experiments were carried out by the use of an electric washer under conditions based on the home laundry. The main results obtained are summarized as follows.
(1) The order of shrinkage caused by the various types of detergents is as follows;
Light duty syndets>Heavy duty syndets>Soaps
(2) Differential friction effects (D.F.E.) became smaller in the order of soaps, heavy duty syndets and light duty syndets. It was found that the shrinkage lowered as D.F.E. became smaller.
(3) Electron micrographs of a wool single fiber washed with heavy duty syndets or soaps showed the damage of cuticle washed with soaps.
(4) These phenomena can be explained in terms of decrease of D.F.E. of wool knitted fabrics washed with heavy duty syndets or soaps.View full abstractDownload PDF (2627K)
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