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US 12,098,247 B2Granted
Poly(etherimide), method for the manufacture thereof, and articles comprising the poly(etherimide)
AssigneeShpp Global Technologies B.V.
InventorsPeter Johnson, James Patrick Schulte, II, Dadasaheb V. Patil
Life of this patent
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Abstract
A poly(etherimide) includes repeating units derived from polymerization of a biphenol dianhydride and an organic diamine. A method of making the poly(etherimide) includes contacting the biphenol dianhydride and the organic diamine under conditions effective to provide a poly(etherimide). The poly(etherimide) can be useful in a variety of articles, for example in an optoelectronic component.
Claims12
A poly(etherimide) comprising repeating units derived from polymerization of
- 100 mole percent, based on total moles of dianhydride, of a biphenol dianhydride of the formula
- wherein Ra and Rb are each independently a halogen or a monovalent C1-6, alkyl group and p and q are each independently an integer of 0 to 4, and wherein greater than 80% of the divalent bonds of the biphenol group are in the 3,3′ position;
- and
- 100 mole percent, based on total moles of diamine, of an organic diamine comprising a first organic diamine and a second organic diamine different from the first organic diamine,
- wherein the poly(etherimide) does not exhibit a melting point as measured by differential scanning calorimetry.
2 more elements
A method of making a poly(etherimide), the method comprising
- contacting
- 100 mole percent, based on total moles of dianhydride, of a biphenol dianhydride of the formula
- wherein R and Rb are each independently a halogen or a monovalent C alkyl group and p and q are each independently an integer of 0 to 4, and wherein greater than 80% of the divalent bonds of the biphenol group are in the 3,3′ position;
- and 100 mole percent, based on total moles of diamine, of an organic diamine comprising a first organic diamine and a second organic diamine different from the first organic diamine;
- under conditions effective to provide a poly(etherimide), wherein the poly(etherimide) does not exhibit a melting point as measured by differential scanning calorimetry.
2 more elements
Dependencies are inferred from the claim text.