Light Stabilizer

PRODUCT NAME: LS-783

Characterization                                LS 783  isasynergisticmixtureoflightstabilizer944andlight stabilizer622.It

isaversatilelightstabilizerwithgoodextractionresistance,lowgasfadingandlowpigmentinteraction.LS 783isparticularlywellsuitedforLDPE,LLDPE,HDPEfilms,tapesandthicksectionsandforPPfilms.Itisalsotheproductofchoiceforthicksectionswhereindirectfoodcontactapprovalisrequired.

 

Chemical name:Poly[[6-[(1,1,3,3-tetramethylbutyl)amino]-1,3,5-triazine-2,4diyl][(2,2,6,6-tetramethyl-4-piperidinyl)imino]-1,6-hexanediyl[(2,2,6,6-tetramethyl-4-piperidinyl)imino]])

 

Tinuvin 622: Butanedioicacid, dimethylester, polymer with 4-hydroxy-2,2,6,6-tetramethyl-1-piperidineethanol

 

Structure                                           light stabilizer944

                  

             


Molecularweight                              Mn =20003100g/mol

Structure                                           light stabilizer622

 

and

 

Molecularweight                              Mn =31004000g/mol

 

 

Productforms                                          Appearance:whitetoslightlyyellowpastilles

 

 

Guidelinesforuse                                  Thicksections*:              UVstabilizationofHDPE,LLDPE,                 0.05–1%

LDPEandPP

Films*:                          UVstabilizationofLLDPEandPP                 0.1–1.0%

Tapes:                          UVstabilizationofPPandHDPE                  0.1–0.8%

Fibers:                          UVstabilizationofPP                                0.1–1.4%

 

 

Physical  properties                              Meltingrange:                                55–140°CFlashpoint(DIN51758):                                   192°C

Bulkdensity:                                514g/l

 

Applications                                         LS783areasofapplicationincludepolyolefins(PP,PE),olefincopoly-merssuchasEVAaswellasblendsofpolypropylenewithelastomers,andPA.