Patent · US Active

Polyetherimide polycarbonate blends

US8921438B2 · kind B2 · utility

0Cited by

16References

50Claims

0Family size

Assignee

Sabic Innovative Plastics B.V. · NL

Inventors

Feng Cao · Loudonville, US
Aditya Narayan · Detroit, US
Kapil Chandrakant Sheth · Evansville, US

Key dates

Filing date	Mar 12, 2013
Grant date	Dec 30, 2014
Priority date	—
Expiry date	Mar 12, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L83/10
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The disclosure relates to compositions exhibiting a UV resistance of ΔE ranging from more than 0 to less than or equal to 10 units after exposure to ultraviolet light for 300 hours, per ASTM D-4459 protocol. The compositions can include at least 15 wt. % of a polyetherimide; at least 35 wt. % of a polycarbonate; a polyetherimide siloxane; and optionally, at least one UV stabilizer. The disclosure also relates to methods of shaping such compositions and articles produced from such compositions.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.