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Hindered amine Light stabilizer LS-622CAS: 65447-77-0

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Quick Details
Synonyms: Tinuvin 622LD;Dimethyl butanedioate polymer with 4-hydroxy-2,2,6,6-tetramethyl-1-piperidineethanol;Butanedioic acid,esters,dimethyl ester,polymer with 4-hydroxy-2,2,6,6-tetramethyl-1- piperidineethanol;Butanedioic acid, dimethyl ester, polymer with 4-hydroxy-2,2,6,6-tetramethyl-1-piperidineethanol;Chimassorb 622LD;CSFC 622;Quansorb-62;622;Light Stabilizer -622;Eustab LS-622;Light stabilizer XH-783;Poly-(N-2-hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxy-piperidyl succinate);UV 622;UV-622; Classification: Plastic Auxiliary Agents
EINECS: Molecular Formula: (C15H25NO4)n
Melting Point: >350℃ Boiling Point:
Stability: Water Solubility: 1.6 ppm at 20℃
Refractive index: Flash Point: 428?
Purity: Appearance: white to slightly yellow powder , odorless
HazardClass: Brand Name: Yusheng
Packaging & Delivery
Packaging Detail: 25kg carton or paper barrel(PE plastic inside)
Delivery Detail: as per order quantities
Detailed Description

Chemical Name : Butanedioic acid, polymer with 4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol
Struture :
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(%) : ≤0.5
Transmittance : 425nm    ≥95.0 ;   500nm    ≥98.0
Clarity : transparent solution
PH-Value (1% suspension in water 20~25℃) : 6.3
Melting/Freezing temperature : 50~70℃(softening range)
Density(20℃) : ca 1.22g/cm3
Flash Point : >250℃
Ignition temperature : 370℃
Ash : ≤0.1%
Softening point : 55~70℃
Water solubility (20℃) : ca 1.6mg/L
Vapor pressure (20℃) : 2.5E-6 Pa
Partition coefficient (Log Pow, 20~25℃) : 5.2

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.

Guidelines for use :
Thick sections UV stabilization of HDPE , LLDPE , LDPE and PP 0.15~0.5%
Films            UV stabilization of LLDPE and LDPE          0.1~1.2%
Tapes            UV stabilization of HDPE and PP             0.2~0.8%
Fibers           UV stabilization of PP fibers              0.1~1.0%

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.
 


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Elly Cheng

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