Compound, a process for the preparation thereof, and a resin com

Details Compound, a process for the preparation thereof, and a resin com Compound, a process for the preparation thereof, and a resin com

1998-10-01

2000-03-14

Sanders, Kriellion

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

548257, C08K 534, C07D24916

Patent

active

060373938

ABSTRACT:
Novel polyester compounds having a benzotriazole group of the invention are obtained by a ring-opening addition-polymerisation of lactones with the alcoholic hydroxyl group of 3-(5-chloro-2H-benzotriazol-2-yl)-5-(1,1-dimethyl-ethyl)-4-hydroxy-benzene -propanol, 3-(2H-benzotriazol-2-yl)-4-hydroxy-benzene-ethanol, 3-(5-methyl-2H-benzotriazol-2-yl)-5-(1-methyl-ethyl)-4-hydroxy-benzene-pro panolbis[3-(2H-benzotriazol-2-yl)-4-hydroxy-benzene-ethanol]methane or the like. These compounds are used as ultraviolet-rays absorbents for thermoplastic resins. The resulting resin composition has an excellent light resistance and chemical resistance.

REFERENCES:
patent: 5032498 (1991-07-01), Rody et al.
patent: 5319090 (1994-06-01), MacLeay et al.

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