Light Stabilizer

PRODUCT NAME：LS-144

Light Stabilizer 144

Product name：Light Stabilizer 144

Chemical name        ：[[3,5-di-tert-butyl-4-hydroxyphenyl]methyl]-butylmalonate(1,2,2,6,6-pentamethyl-4-piperidinyl)ester

CAS No.   63843-89-0

Structure formula

Physical Properties

Appearance：white to light yellow powder

Melting point：146-150℃

Content：≥99%

Loss on dry：≤0.5%

Ash：≤0.1%

Transmittance：425nm: ≥97%

                460nm: ≥98%

                500nm: ≥99%

Application      

LS-144 is recommended for applications such as:  automotive coatings ,coll coatings , powder coatings

The performance of LS-144 can besignificantly improved when used in combination with a UV absorber such anrecommended below.These synergistic combinations give superior protection against glossreduction, cracking,blistering delamination and color change inautomotive coatings. LS-144 can also reduce yellowing caused by overbake.

The light stabilizers may be added in twocoat automotive finishes to the base and clear coat.However, according to ourexperience the optimum protection is achieved by adding the light stabilizer tothe topcoat.

Possible interactions of LS-144 required foroptimum performance should be determined in trials covering a concentrationrange.