Stabilizer composition for halogen-containing thermoplastic...

Details Stabilizer composition for halogen-containing thermoplastic... Stabilizer composition for halogen-containing thermoplastic...

2003-06-06

2008-09-02

Toomer, Cephia D (Department: 1797)

Compositions

Preservative agents

Anti-caking, separative or protective coatings or zones

C524S401000

Reexamination Certificate

active

07419622

ABSTRACT:
The present invention relates to a stabilizer composition for halogen-containing thermoplastic resins, the stabilizer composition comprising(a) calcium hydroxide and/or calcium oxide which may optionally be surface-modified; and(b) a hydroxyl group-containing isocyanurate.This stabilizer composition is particularly suited for weather-resistant halogen-containing resin compositions, such as rigid PVC.

REFERENCES:
patent: 5356981 (1994-10-01), Tsuruga et al.
patent: 5938977 (1999-08-01), Rosenthal et al.
patent: 838495 (1997-10-01), None
patent: 555-9664 (1980-01-01), None
patent: 55009664 (1980-01-01), None

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