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
The sale code name : ys 622
Physical and chemical properties:
Appearance and behavior : white to slightly yellow powder , odorless
Loss on drying(%) : ¡ü0.5
Transmittance : 425nm ¡ý95.0 ; 500nm ¡ý98.0
Clarity : transparent solution
Melting/freezing temperature : 50~70¡æ(softening range)
Ignition temperature : 370¡æ
Ash : ¡ü0.1%
Softening point : 55~70¡æ
Water solubility (20¡æ) : ca 1.6mg/l
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.
Application :
Ys 622 areas of application include polyolefins(pp , pe) , olefin copolymers such as eva as well as blends of polypropylene with elastomers. In addition ys 622 is highly effective in polyacetals , polyamides and polyurethane applications.
The effectiveness of ys 622 surpasses significantly that of uv absorbers , particularly in pigmented systems.
Handling and safety :
In accordance with good industrial practice , handle care and prevent contamination of the environment. Avoid dust formation and ignition sources .For more detailed information please refer to the material safety data sheet.
25kg/carton, 500kg/pallet
Stabilizer 770 Chemical Name Bis(2,2,6,6-tetramethyl-4-piperidyl)sebaceate Features and Application With better effects than other most frequently used light stabilizers,blended with antioxidant,providing heat stability,working well with UV Absorber. Wide used in PP,HDPE,PU,PS,ABS etc.
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