Chemical Name: Butanedioic acid, polymer with 4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol
Molecular Formular: C15n+1H25n+4O4n+1N n
Molecular Weight: Mn=3100~4000
CAS NO: 65447-77-0
Physical and Chemical Properties:
Appearance and behavior: white to slightly yellow powder, odorless
Loss on drying (%): ≤0.5
Transmittance: 425nm ≥95.0; 500nm ≥98.0
Clarity: transparent solution
Ash: ≤0.1%
Introduction:
YS 622 is the low volatility and minimal migration, because of its oligomeric structure with high molecular weight. Furthermore YS 622 is effective as antioxidant and contributes significantly to the long term heat stability of polyolefins and tackifier resins.
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