SUNSHOW Speciality Chemical Co., Ltd

UV Stabilizer

	Sunovin 944

Model Number

light stabilizer 944

PROPERTIES

SUNOVIN 944 Hindered Amine Light Stabilizer

Chemical name:

Poly-{[6-[(1,1,3,3-tetramethylbutyl)amino]-1,3,5-triazine-2,4-diyl][(2,2,6,6-tetramethyl-4-piperidyl)imino]-1,6-hexanediyl[(2,2,6,6-tetramethyl-4-piperidyl)imino]}

(Equivalent to Chimassob 944)

CAS NO: 70624-18-9

Molecular formula:

[C₃₅H₆₄N₈]n (n=4-5)

Chemical structure:

Specification:

Appearance:

Transmittance:

Volatile:

Melting point:

White or slightly yellow

transparent pellets or powder

≥ 93％(425nm)
≥ 95％(500nm)

≤ 1.0 ％

100-135℃

Physical properties:

Melting range:
Bulk density:
Initial temperature of weight loss:
Solubility:

100 ℃ -135℃
548-646 ( g/L )

> 270 ℃
soluble in acetone, toluene, xylene, benzene, ethyl acetone, hexane and chloroform; Dissolved little in formaldehyde and insoluble in water.

Application:

Sunovin 944 is hindered amine light stabilizing agent of polymerization type with macromolecular weight, which can be applied to PP, PE, EVA etc. When used in crosslinking polyethylene, Sunovin 944 shows better effects. It can also be applicable to PPE, polyacetals, polyamnamees, polyurethanes, soft and hard PVC and PVC polymer blend etc. It also has good effects on styrene, rubber and adhesive substances, particularly applicable to thin membrane and fibers.

Package:

25kg cardboard drum (inner with PE bag) or according to customer’s request