Low molecular weight polyphenylene ether

Details Low molecular weight polyphenylene ether Low molecular weight polyphenylene ether

2007-10-16

2007-10-16

Truong, Duc (Department: 1711)

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

C528S212000, C528S214000, C528S501000, C528S503000, C264S050000, C264S045900

Reexamination Certificate

active

10500701

ABSTRACT:
A low molecular weight polyphenylene ether having a reduced viscosity of 0.04 to 0.18 dl/g as measured at 30° C. in a 0.5 g/dl chloroform solution, and a molecular weight distribution of 1.5 to 2.5; or a low molecular weight polyphenylene ether powder comprising the low molecular weight polyphenylene ether exhibits high thermal resistance and excellent electric properties, and thus is useful as electric materials such as printed circuit board and as modifiers of other resins.

REFERENCES:
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patent: 6211327 (2001-04-01), Braat et al.
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patent: 00/46273 (2000-08-01), None
patent: WO 00/46273 (2000-08-01), None

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