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Synthetic Water-Repellent Fatliquor: Y5-WR More News >>

 

Synthetic Water-Repellent Fatliquor: Y5-WR

Y5-WR imparts good water- repellent effect for leathers and fur skins.
Y5-WR imparts soft and smooth handle to the leather with tight grain, particularly suitable
for fatliquoring shoe upper, garment, and ski glove leather.
Y5-WR has good light-fastness and leveling effect, it is an appropriate choice for white leathers and leathers dyed to pale shades.
Y5-WR when used as a normal fatliquor, can reduce the water absorbency and looseness of the leather.
Y5-WR improves the dyeing and buffing properties when used in suede split leather fatliquoring.
Y5-WR refines pore and imparts soft and light handle when used on pig skin.
Y5-WR can be added after normal fatliquoring and fixation of formic acid as a handling agent to improve the smooth feel and shade of the leather
Y5-WR can be diluted with water at a ratio of 1:5 and sprayed on nubuck and suede split to increase the depth of shade and handle of the leather. Especially suitable for black and other dark colors.

PROPERTIES:
Appearance: Creamy emulsion
Chemical nature: Special hydrocarbon emulsion
pH (10%): 7.5±1.5
Ionic charge: Anionic
Solids content (%): 41%±2

APPLICATION:
1. Y5-WR can be diluted with 60℃ hot water at a ratio 1:1 before adding into the drum.
The application dosage is about 8~15% depending on the thickness of the leather.
2. In order to obtain good water-repellent effect, the cross section of the leather has to be completely neutralized and pH value should be maintained above 5.
3. 2~3% Y5-WR can be added at the beginning of retanning to enhance the penetration of dyestuffs.
4. Before adding formic acid and chrome or aluminum tanning agent for fixation, run Y5-WR for 60~90 min. to ensure good penetration and distribution.
5. Recommend to add 2~4% Y5-WR in the conventional main fatliquoring to
reduce water absorption and looseness.
6. After formic acid fixation of fatliquor, 1~2% Y5-WR cab be added in order to improve the hand touch for suede split and nubuck leather and increase the color strength of the shade, especially for black and dark colors.

PROCESSING METHODS:
(1) Pig skin garment suede and glove.
Shaved thickness: 0.6~0.8 mm (% is based on the shaved weight)

Washing
300% Water 40℃
0.2% Formic acid 85% (1:10) , 30 min., drain

Rechroming
100% Water 30℃
0.2 Formic acid 85% (1:10), 10 min.
3% Aldehyde Tanning Agent (1:3) , 30 min.
4% Chromitan B , 40 min.
100% Water 40℃
1.0% Sodium formate , 30 min.
0.5% Sodium bicarbonate , 60 min., pH=3.8~4.0, drain

Neutralization
200% Water 30℃
2% Sodium formate
1% Ammonium bicarbonate
1~1.5% Sodium bicarbonate, 90 min., pH=6.0~6.2, drain

Washing
300% Water 30℃ , 10 min., drain

Dyeing
100% Water 30℃

Fatliquoring
1% Leveling agent
1% Ammonia , 10 min.
X% Leather dyes , 60 min.
100% Water 60℃
8~12% Y5-WR , 20+60 min.
1% Formic acid(1:10) , 10 min.
1% Formic acid(1:10) , 10 min.
1% Formic acid(1:10) , 20 min, pH=3.5, drain
2% Chromitan B , 60min.

Washing
300% Water 50℃ , 10 min., drain

Capping
200% Water 50℃
0.15% Formic acid(1:10) , 10 min. pH 3.5~3.6
4% Water-based leather protector(1:5) , 20 min.
0.5% Formic acid 85% (1:10) , 20 min. pH 3.0~3.3

Washing
300% Water 25℃, 5 min., drain

Horse up over night, hang dry, condition, milling, toggling, heated up at 60℃for 60 min.

(2) Cow water- proof shoe upper leather.
Shaved thickness: 1.8~2.0mm (% is based on shaved weight)
Washing
200% Water 40℃
0.1% Formic acid 85%(1:10) , 15 min., drain

Neutralization
100% Water 35℃
2% Neutralizing syntan
2% Sodium formate 30 min.
0.5% Sodium bicarbonate (1:20) , 150~180 min. or run over night, pH=5.0~5.2, drain

Washing
200% Water 35℃ 10 min., drain

Re-tanning
60% Water 35℃

Dyeing
2% Y5-WR (1:3), 20 min.
4% Polymer retanning agent (1:3) , 40 min.
4% Melamine resin
6% Chestnut N (unsweetened) , 40 min.
X% Leather Dyestuffs (powder), 60 min.
100% Water 50℃ , 10 min.
0.5% Formic acid 85% (1:10) , 20 min., pH=4.2~4.5, drain

Washing
200% Water 50℃ , 10 min., drain

Fatliquoring
100% Water 50℃
0.1% Soda ash (1:20) , 10 min.
2.0% Y5-WR (1:5)
6.0% Water proof fatliquor (1:5), 20+60 min.
0.3% Formic acid 85% (1:10), 10 min.
0.4% Formic acid 85% (1:10), 20 min.
0.5~0.6% Formic acid 85% (1:10), 30 min., pH 3.4~3.6, drain
Capping
100% Water 40℃
0.2% Formic acid 85% (1:10), 10 min.
3% Chromitan B , 90 min., drain

Washing×2
200% Water 25℃ , 10 min., drain

Horse up overnight、set out、vacuum dry for 4 min. at 50℃, hang dry, then process as usual.


For more details, please contact us – Shnagrila Enterprises Ltd. E-mail: tdpctw@gmail.com
   
Company: Taiwan Dyestuffs & Pigments Corp.
Country/Region: Taiwan
Tel: 886-3-3582296
Fax: 886-3-3582294
Web Site: http://www.tdpctw.com

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