One of the most significant technical challenges in polyester (PES) dyeing is the migration of oligomers (low molecular weight polymers) from the fiber's interior into the bath, where they adhere to machine components and the fabric surface. CRN SPHS 100 is a high-performance oligomer remover and dispersing agent engineered to resolve this issue at a professional grade.
Definitive Solution to the Oligomer Problem
When polyester fibers are dyed at high temperatures (130°C and above), the crystalline structure loosens, and oligomers are transferred into the bath. During the cooling phase, these substances can cause white dusting on the fabric or clogging in machine heat exchangers. CRN SPHS 100:
Dispersing Action: Keeps oligomers as microscopic particles within the bath, preventing them from aggregating.
Machine Maintenance: Prevents oligomers from sticking to machine walls and pumps, thereby lowering maintenance costs and reducing downtime.
Dyeing Quality and Process Safety
The product does more than just remove oligomers; it enhances the overall stability of the dyeing bath.
Prevention of White Spots: Ensures a smooth fabric surface by preventing oligomer precipitation, which typically appears as "dust" or "spots."
Dye Dispersant: Contributes to achieving deeper and more vibrant colors by assisting in the uniform distribution of dyestuffs within the bath.
Key Advantages of CRN SPHS 100
High-Temperature Stability: Operates effectively at polyester dyeing temperatures (130-135°C) without losing molecular stability.
Effortless Rinsing: Ensures that oligomers held in suspension are easily removed from the fabric during the post-dyeing drainage process.
Improved Fastness: By providing a clean fiber surface, it helps achieve higher rubbing fastness results.
Universal Compatibility: Works in full harmony with other dyeing auxiliaries and disperse dyestuffs.