JOURNAL of the JAPAN RESEARCH ASSOCIATION for TEXTILE END-USES

[title in Japanese]

[in Japanese]

1980 Volume 21 Issue 12 Pages 498-506
Published: December 25, 1980
Released on J-STAGE: September 30, 2010

DOIhttps://doi.org/10.11419/senshoshi1960.21.498

JOURNAL FREE ACCESS

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[title in Japanese]

[in Japanese]

1980 Volume 21 Issue 12 Pages 507-512
Published: December 25, 1980
Released on J-STAGE: September 30, 2010

DOIhttps://doi.org/10.11419/senshoshi1960.21.507

JOURNAL FREE ACCESS

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[title in Japanese]

[in Japanese]

1980 Volume 21 Issue 12 Pages 513-519
Published: December 25, 1980
Released on J-STAGE: September 30, 2010

DOIhttps://doi.org/10.11419/senshoshi1960.21.513

JOURNAL FREE ACCESS

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Studies on Interlinings Part 3

The Influence of Adhesive Conditions of Both-Sided Non-Woven Fusible Interlinings on the Peeling Strength

Yukiko Yasuhara, Kuniichi Yamada

1980 Volume 21 Issue 12 Pages 524-532
Published: December 25, 1980
Released on J-STAGE: September 30, 2010

DOIhttps://doi.org/10.11419/senshoshi1960.21.524

JOURNAL FREE ACCESS

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This article aims to determine the peeling strength of the different adhesive conditions by using four kinds of fabrics; serge, muslin, gerogette and taffeta, and both-sided non-woven fusible interlinings with a spider's web-like polyamide resin. The adhesive conditions are temperature, pressure and duration of steaming time. The results are summarized as follows:
(1) The peeling strength seems to be influenced by the temperature, pressure and the duration of steaming time.
(2) With increased temperature and pressure, the resin of interlinings tends to penetrate into an inside of yarns of a serge and muslin.
(3) If adhesive without steaming, the resin melts into a filmlike layer. If adhesived with steaming, however, it melts into a spider's web-like nets.
(4) When two different kinds of fabrics are adhesived, the peeling strength is influenced by the fabric with lower peeling strength.

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Fatigue Phenomena by Cyclic Shearing Deformation Under Constant Tensile Extension and the Recovering Behavior of the Tensile and Shear Properties of Double Knitted Fabrics

Takako Mamiya, Masako Niwa

1980 Volume 21 Issue 12 Pages 533-538
Published: December 25, 1980
Released on J-STAGE: September 30, 2010

DOIhttps://doi.org/10.11419/senshoshi1960.21.533

JOURNAL FREE ACCESS

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Fabrics change their mechanical properties by the cyclic shearing deformation under a constant tensile extension. Mechanical properties, however, recover their properties nearly to the original condition if the fatigue of fabrics does not reach the critical state. This article investigates the recovery characteristics of mechanical properties, i.e., tensile and shearing properties during a fatigue process. Analyses have been made for each recovery curve by using the following approximated equation
Z_p-1=α+β⋅exp (-t/T₀) …………… (1)
where, Z_p: ratio of measured value to the original one,
α: residual amount of mechanical property,
β: recovered amount of mechanical property, and
T₀: recovering time constant.
Curves expressed by the equation (1) agree well with a recovering curve of mechanical property. It is also confirmed that the values expressing the recovery properties, α, β and T₀ well represent the recovering state of the fatigue of mechanical properties of fabrics. It would be possible, in future, to distinguish quantitatively the difference of recovering properties caused by fiber composition (wool, polyester, wool/polyester, etc.) and fabric construction (Ponti-de-Roma, Interlock, etc.) by the parameters α, β and T₀. The precision of the prediction of the fatigue could be enhanced.

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