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SUNJIN NEWSLETTER
 
Subject : 17_08_Soybean Esterquat, SEQ90_ver2.0_02
Date : 2017-08-28
August  2017, Newsletter no.119
Published by Sung-Ho Lee
 
 
     
  3. Excellent Formula Stability - Test Method  
     
     
 
Tested EQ
 
#1
Company “S”
Product “S”

#2
Company “K”
Product “T”

#3
Company “C”
Product “P”

#4
Company: SUNJIN
Product “TE90”

#5
Company: SUNJIN
Product “SEQ90”

 
 
SJF1770_Regular Fabric softener ver1.0
Step Trade Name REMARK %
1
D.I-Water
Dye
Aqua
Dye
93.57
0.5
2 Ester Quat.   5.6
3
Fragrance
Kathone CG
Fragrance
Preservative
0.3
0.03
 
Regular Formula      
(5% active)       
0% Emulsifier       
 
SJF1771_Concentrated Fabric softener ver1.0
Step Trade Name REMARK %
1
D.I-Water
Dye
Aqua
Dye
82.05
0.5
2 Ester Quat.   14.9
  Acusol 882 Emulsifier 1
3
CaCl2
Fragrance
Kathone CG
Viscosity
Fragrance
Preservative
0.02
1.5
0.03
 
Concentrated Formula      
(13.5% active)       
1% Emulsifier             
 
Process
1. Heat up Phase A and B until 45℃
2. Add Phase B into Phase A and mix for 30min (250rpm)
3. Cool down Mixture under 30℃
4. Add Phase C into Mixture and mix for 5min (200rpm)
 
 
     
 
     
 
     
  3. Excellent Formula Stability ? Test Condition  
     
 
   
 
The Longer Shelf Life,
The Better 2 year shelf life
is very challenging!
 
  Acceleration Test Mode at Higher Temp
       
 
60℃ 6 weeks = 25℃ 2 year
45℃ 12 weeks = 25℃ 2 year
 
 
 
     
 
     
  How to judge whether formula is stable or not?  
     
 
  SUNJIN suggests 5 criteria for the stability of Fabric Softener formulation  
     
 
 
 
   
Viscosity increased
significantly
 
 
Phase Separation
Sedimentation
At the bottom
 
 
 
Before
After
 
 
   
White scum
on the surface
 
Color paled
significantly
 
 
 
 
     
 
     
  3. Fabric Softener Stability @ 45℃  
     
 
 
  45℃ 12 weeks
= 25℃ 2 year  
   
Regular (5% active)
 
 
     
 
Concentrate(13.5% active)
 
 
 
 
     
 
     
  3. Fabric Softener Stability @ 60℃  
     
 
 
  60℃ 6 weeks
= 25℃ 2 year  
   
Regular (5% active)
 
 
     
 
Concentrate(13.5% active)
 
 
 
 
     
 
     
  KATRI  
     
     
 
   
http://www.katri.re.kr/  
 
     
  Founded in July 1965 as the Apparel-for-Export Inspection Office, changed its name to the Korea Apparel Testing & Research Institute (KATRI), May 1994, Designated as the authorized laboratory under the several International & National Regulations.
KATRI is the foremost leading provider of testing, inspection, certification and quality assurance services with highly qualified expert, improved equipments, and rich experiences accumulated for a long time. We offer an extensive array of technical know-how, reasonable pricing, ongoing consultation associated with the current regulations changes having influence on manufactures, marketers, and retailers.
 
     
 
     
 
     
  4. Hand feeling Test Condition  
     
     
 
  Smoothness Moisture Absorption (mm) Electrostatic Propensity
       
Treated Fabric 100% cotton, 170g,
Carded yarn (40x80±2)cm2
Polyester
Standard adjacent fabrics specified in KS K 0905
Cotton fabric
Standard adjacent fabics specified
in KS K 0905
Condition for rinse  - 1 Rinse by household washing
   machine(SEW-PK102NL)
 - Water : 30L
 - Water Temp : 25±2 ℃
 - Sample dosage : 20 mL/30L
 - 1 Rinse, 1 Spin by household
  washing machine(SEW-PK102NL)
 - Water : 40L
 - Water Temp : 25±2 ℃
 - Sample dosage : 20 mL/30L
 - 1 Rinse, 1 Spin by household
  washing machine(SEW-PK102NL)
 - Water : 40L
 - Water Temp : 25±2 ℃
 - Sample dosage : 20 mL/30L
Dry Condition Flat dry Flat dry Flat dry
Test method 10 panels evaluation 20±2) ℃ (40±2) % R.H, 400r/min
Test result Compare smoothness and rank. Check numerical Value Check numerical Value
 
     
 
     
 
     
  4. Good hand feeling  
     
 
  Item Alkyl Group Smooth-ness
Moisture Absorption (mm)
Warp Weft
Electrotatic Propensity (V)
Cotton Wool
 
  SUNQAT-SEQ90 Soybean  
  SUNQAT-TE90 Palm  
  SUNQAT-CTN90 Cotton  
  Company “K”
Product “T”
Tallow  
  Company “S”
Product “S”
Palm  
 
 
  Excellent GOOD OK Acceptable Less desirable  
 
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