Phosphorus-containing cured benzoxazine resins and...

Details Phosphorus-containing cured benzoxazine resins and... Phosphorus-containing cured benzoxazine resins and...

2005-04-13

2008-11-04

Truong, Duc (Department: 1796)

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

C528S168000, C528S492000

Reexamination Certificate

active

07446160

ABSTRACT:
A series of novel phosphorus-containing cured benzoxazine resins, which are synthesized from dihydrobenzoxazine resins with reactive phosphorus-containing compounds. The cured benzoxazine resins have desired flame retardancy and high glass transition temperature, and are suitable for the fabrication of printed circuit board and the semiconductor encapsulant applications.

REFERENCES:
Gu et al; Non-halogen fire retardant adhesive for copper clad plate; Nov. 24, 2004; Guangzhou Hongren Electronic Industry Co., Ltd., Peop. Rep. China; Chem Abstrcat 143: 154273.

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