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Addtime: 2012/5/10

Sodium Dimethyl Isophthalate-5-sulfonate (SIPM)
 
 

Sodium Dimethyl Isophthalate-5-sulfonate (SIPM) Supply Specification 

Formula:                     C10H907SNa                         

Molecular Weight:  
296.23
Structure:                     

Cas No.:    
3965-557

Application  
Dacron, chemical name polyethylene terephthalate (PET), a kind of polyester fiber, is produced by the esterification and condensation polymerization reaction of terephthalic acid (PTA) and Ethylene Glycol (EG). Dacron fabrics are beautiful, easy to wash and dry, they are very popular in the market. However, non-modified Dacron in not easy to dye at normal pressuse because of its high crystallization, high orientability, higher glass transition point and non polar group.   
Cationic - Dyeable modified Polyester (CDP) is a kind of modified Dacron, which is produced by introducing a third monomer SIPM which has ion group. Since this CDP fiber contains sulfonic group, it has excellent affinity to the cationic dyes, the dyed fiber has bright color. This modified fiber owns wool-like feeling, easy to be blended with wool. It is widely used in garments fabrics for winter purpose.

Specification
Item
Specification
Appearance
white powder without visible impurities
Color (16%EG) PT-Co   ≤
20
Acid Value (mg KOH/g)
≤ 0.6
Saponification Value (mg KOH/g)
376 - 380
Sulfate ion (ppm)
≤ 100
volatiles ( wt% )
≤ 0.2
Iron ion  (ppm)
≤ 4
Absorbance
≤ 0.05
Chloride ion (ppm)
≤ 15

Packing
 25 kg per PP bag, 60 bags stacked on 1 skid, 15 mt net in 20 FCL.
 750 kg super suck, 2 super sacks stacked on 1 skid, 15 mt net in 20 FCL.

Related links

Sodium Dimethyl Isophthalate-5-sulfonate (SIPM) TDS. pdf

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