AATCC 17-2005(2007)湿润剂效果的评价(英文).pdf

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AATCC Test Method 17-2005
Wetting Agents, Evaluation of
Developed in 1932 by AATCC Committee 5.8 Water, distilled(see 10.4)
atures. heat the diluted solution for test in
RA8: jurisdiction transferred in 2003
9 Graph paper, log-log
the mixing beaker to a temperature some-
to AACC Committee RA63: reaffirmed
what above that required, pour the solu
1943,1971,1977,1980,1989,2005;:6. Test Solutions
tion into the cylinder and then allow it to
cool back to the testing temperature
and reaffirmed 1974.. 1994: edito
6.1 Stock solutions of the agents to be
7.3 For a determination, a 5.00 g skein
rially revised 1988, 1991, 2004
tested are normally
folded enough ti
50.0 g of agent per liter unless the sofu- loop 45.7 cm around A 91.4 cm skein is
bility is so poor that less must be em- most convenient and can be formed into a
1. Purpose and Scope
ployed. The wetting agent Is first thor-45.7 cm loop with only 2 folds: a 137.2
oughly dissolved in about a quarter of the cm skein requires 3 [olds a 182.9 cm
his test method determines the ef- necessary distilled water at a temperature
ficiency of ordinary commercial wetting above 80C and is then diluted to the final
kein. 4 folds and a 228.6 cm skein
quires 5 folds. The hook with its anchor
volume with cold distilled water. Aliquot is fastened at one end of the folded skein
tions of5.7.10.15.25.35.50.75and
2. Principle
and the skein is cut through with shears at
100 ML of the 5% stock solution taken
21 A weighted cotton Lest skein is with delivery bulb pipettes and diluted
the opposite end. The cut skein is drawn
hrough the fingers when testing wetting
dropped into a tall cylinder containing a with suitable water(see 10.4)to 1000 ml
agents in order to make il more compact
ater solution of a wetting agent. The correspond, respectively, to concentra-any threads which have been tied around
time required for a string Stirrup connect
the skein to correct its weight are folded
ing the weight and the skein to relax is re
2.50, 3.75 and 5.00 g of wetting agent pe
Into
corded as the sinking time
liter. This range of concentrations is sulli- held in one hand with the anchor dan
cient for the study of any commercial
into the wetting solution contained
3. Terminology
producl
the 500 ml graduated cylinder. A stop
watch held im the other hand is started
3.1 wetting agent, m -a chemical 7 Procedure
compound which when added to water
just as the skein is released into the solu-
lowers both the surface tension of the liq-
7.1 The diluted solution for test is
tion and it is stopped when the buoyant
skein definitely starts to sink to the bot
uid and its interfacial tension against the
:d from the lit
om of tl
solid material
nto a 1500 ML beaker to ensure mixing.
The skein befor
he solution in the beaker is then divided
sinking must be entirely covered with so-
4. Safety Precautions
equally between two 500 ml g
lution and yet it must possess enough
buoyancy from the air within the yarn to
NOTE: These safety precautions are
cylinders. If the more dilute solutions are keep the linen thread taut between the an
tested firsl. the mixing beaker and cylin