Durable hydrophilic SR agent "Softener SR" (for polyester)
Introduction
| * |
Softener SR produces durable hydrophilic SR properties
in naturally hydrophobic fiber such as polyester knits,
weaves, yarns and nonwovens. |
| * |
Softener SR is suitable for use in sportswear and general
garments requiring good perspiration absorbency, in easily-soiled
work clothes and table cloths, flame-resistant curtains,
and dish cloths and towels requiring water absorbency. |
| * |
SR is an abbreviation of 'Soil Release'.
This SR effect is divided into SRM and SRD. |
| SR |
SRM (Soil Removal) |
Removal of dust and water/oil-based soiling during
washing |
| SRD (Soil Redeposit) |
Prevention of soil redeposition during washing |
Description
| Appearance |
: |
Light brown emulsion |
| Main component |
: |
Special polyester polymer resin |
| Ionicity |
: |
Anionic |
| pH |
: |
6.5±1 (stock solution) |
| Viscosity |
: |
1000mPa･s or lower (25ﾟC) |
| Solubility |
: |
Dissolves readily at room temperature |
Features
| * |
Softener SR imparts wash-fast water/perspiration absorbency
to normally hydrophobic polyester. |
| * |
Softener SR imparts durable SR properties (SRM and
SRD) to polyester. |
| * |
Softener SR finishes polyester with a soft hand. |
| * |
Softener SR can be used simultaneously in the disperse
dyeing of polyester. |
| * |
With Softener SR, causing hindrance to flame-resistant
properties is unlikely. |
Method of use
1) Exhaust method (for simultaneous use in the disperse dyeing
of
polyester)
| 1) |
Dyeing |
 |
Disperse dyestuff |
x % o.w.f. |
Dispersing /
leveling agent |
y g/L
(New Levelin RD-10 0.3g/L) |
| Acetic acid |
pH kept in the range of 4-7 |
| Softener SR |
1.5~5 % o.w.f. |
| |
|
|
Liquor ratio |
1:10~20 |
| 2) |
RC (Reduction clearing) |
|
Hydrosulfite |
1~2g/L |
| Soda ash |
1~2g/L (cannot be replaced by caustic soda) |
| Nonionic surfactant |
z g/L |
| |
|
|
Liquor ratio |
1:10~20 |
2) Padding method
|
Softener SR 1.5~3% soln.
Padding → Drying (100ﾟC x 3min) → Setting
(180ﾟC x 1min) |
| * |
Since padding may result in reduced colorfastness,
preliminary testing is required before use. |
Examples of performance
1) Exhaust method
Substrate: |
PET (100%) weave made from textured yarn |
Auxiliary: |
Softener SR 0%
3% o.w.f.+acetic acid (pH adjusted to 4) |
Treatment: |
130ﾟC x 30min (pH 4) |
2) Padding method
| Substrate: |
PET (100%) weave made from textured yarn |
| Auxiliary: |
Softener SR 0%, 3% o.w.f. |
| Treatment: |
Padding (95% pick up) → Drying
(100ﾟC x 3min) → Setting
(180ﾟC x 1min) |
| * HL= |
Home Laundering, based on JIS L-0217-103
Washing agent (New Beads) 2g/L
Laundering 40ﾟC x 5min → cold
rinsing (2min x 2 times) =1 cycle
HL-0: No laundering HL-20: After 20 launderings |
* SR evaluation
|
5: No soiling
4: Practically no soiling
3: Limited soiling
2: Some soiling
1: Soiling |
SRM Properties
Water absorption - Byreck method
Evaluation of flame resistance (In-dyebath frame-resistant SR finishing)
Process conditions
Substrate: 100% polyester fabric for curtain
1) Exhaust method
(one-stage) |
Agent: |
Softener SR |
--- 3 %o.w.f. |
| |
Flame retardant |
--- 10 %o.w.f. |
| |
Acetic acid |
--- adjusted to pH=4 |
| Treatment: |
130ﾟCx 30min(pH=4) |
2) Padding
method (two-stage) |
Auxiliary: |
a common softener |
--- 2 %soln. |
| |
Treatment: |
Padding - Drying - Setting |
| Auxiliaries used: |
B= Blank (none) |
|
1= Flame retardant only
2= Flame retardant + Softener SR
3= Flame retardant + a common softener |
Flame resistant properties (JIS L 1091A-1) 45° micro burner method
Finishing
agent |
Finishing
agent |
Heat
application |
1 min |
3 sec after
ignition |
Level of
combustion |
| Frequency |
1 |
2 |
3 |
1 |
2 |
Blank
(none)
|
Residual flame time (sec) |
- |
- |
- |
- |
- |
1 |
| Afterglow time(sec) |
- |
- |
- |
- |
- |
| Carbonated area(cm2) |
∞ |
∞ |
∞ |
∞ |
∞ |
Flame
retardant
only |
Residual flame time (sec) |
0 |
0 |
0 |
0 |
0 |
3 |
| Afterglow time(sec) |
0 |
0 |
0 |
0 |
0 |
| Carbonated area(cm2) |
4 |
4 |
4 |
4 |
4 |
Flame
retardant
+ Softener SR
|
Residual flame time (sec) |
0 |
0 |
0 |
0 |
0 |
3 |
| Afterglow time(sec) |
0 |
0 |
0 |
0 |
0 |
| Carbonated area(cm2) |
4 |
4 |
5 |
4 |
5 |
Flame
retardant
+a common
softener
|
Residual flame time (sec) |
- |
- |
- |
- |
- |
1 |
| Afterglow time(sec) |
- |
- |
- |
- |
- |
| Carbonated area(cm2) |
∞ |
∞ |
∞ |
∞ |
∞ |
For application in substrates with the mass
lower than 450g/m2
After 1 min of heat application
Blank
(none) |
Flame
retardant only |
Flame
retardant
+ Softener SR |
Flame
retardant
+ a common
softener |
 |
 |
 |
 |
Directions for use
- Since cationic softeners, amino silicon softeners, fluorine/wax-based
water-repellents, cationic fixing agents and cationic antistatic
agents have a tendency to cause hindrance to water absorbency,
preliminary testing is required for selecting the kind least
likely to do so.
- Preliminary testing is required to verify the tarring properties
of the disperse dyestuff used when adding Softener SR in
the dyebath. (The use of our disperse leveling agent New
Levelin RD-10 is recommended.)
- Avoid the use of caustic soda in reduction clearing after
in-dyebath treatment of Softener SR. (Performance deteriorates
due to hydrolysis of the ester bonding within Softener SR.)
- In order to prevent the yellowing of white (fluorescent)
or very pale substrates due to nitrogen oxides, it is recommended
that reduction clearing and any final finishing be conducted
under acidic conditions (and the use of malic acid).
- Preliminary testing is required before using Softener SR
to verify colorfastness and other factors relating to compatibility.
Properties of wastewater
Attribute (concentration) |
BOD (1g/L) |
COD (1g/L) |
n-hexane (10g/L) |
Measurement |
57mg/L |
145mg/L |
13mg/L |
Packaging
Handling instructions
- Ensure that the workplace is well ventilated and avoid
contact with the eyes and skin. Use protective clothing as
required. Wash hands and face thoroughly after use.
- In the event of direct contact with the eyes, wash the
eyes immediately under running water for 15 minutes or more,
and seek prompt medical attention.
- In the event of swallowing, spit out immediately (but do
not induce vomiting if unsuccessful), and seek prompt medical
attention.
- In the event of inhalation, remove immediately to fresh
air, rest and preserve body heat. Seek medical help if required.
- Use this product as soon as possible and avoid outside
storage. Store in a cool, dry place at a temperature between
5-35ﾟC away from direct sunlight in air-tight conditions.
- For further details, please refer to the Material Safety
Data Sheet.
| While the information presented here is based on data
from exhaustive in-company testing, it does not guarantee
results in practical use. The description above is subject
to change according to improvements in performance or
specifications. There is no guarantee that any patents
or legal rights are not infringed upon, with regard to
the specifications for this product. |
|