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US 9,243,101 B2Granted
Polymeric ketone
AssigneeVictrex Manufacturing Limited
InventorsCraig Meakin, Dianne Flath, Brian Wilson
Life of this patent
Estimating the term…
Abstract
A polyaryletherketone polymeric material, for example polyetheretherketone and composite materials comprising said polymeric material are described. The polymeric material has a melt viscosity (MV) in the range 0.05 to 0.12 kNsm−2, preferably in the range 0.085 to 0.095 kNsm−2.
Claims20
A pack comprising powder or granules which comprise polymeric material which is a copolymer comprising at least two units selected from:
- (a) a unit of formula IV wherein Ar represents moiety (iv), E and E′ represent oxygen atoms, m represents 0, w represents 1, G represents a direct link, s represents 0, and A and B represent 1;
- (b) a unit of formula IV wherein E represents an oxygen atom, E′ represents a direct link, Ar represents a moiety of structure (ii), m represents 0, A represents 1, B represents 0;
- (c) a unit of formula IV wherein E represents an oxygen atom, Ar represents moiety (i), m represents 0, E′ represents a direct link, A represents 1, B represents 0;
- (d) a unit of formula IV wherein Ar represents moiety (ii), E and E′ represent oxygen atoms, G represents a direct link, m represents 0, w represents 1, r represents 0, s represents 1 and A and B represent 1;
- (e) a unit of formula IV, wherein Ar represents moiety (iv), E and E′ represents oxygen atoms, G represents a direct link, m represents 0, w represents 0, s, r, A and B represent 1;
- and
- (f) a unit of formula IV, wherein Ar represents moiety (iv), E and E′ represent oxygen atoms, m represents 1, w represents 1, A represents 1, B represents 1, r and s represent 0 and G represents a direct link;
- wherein unit IV is of general formula
- wherein Ar is selected from
- wherein said copolymer has a melt-viscosity (MV) in the range 0.07 to 0.11 KNsm−2, when measured at a shear rate of 1000 s−1, a temperature of 400° C. and using a tungsten carbide die 0.5×3.175 mm.
7 more elements
A composite material which comprises a filler means and a polymeric material which is a copolymer comprising at least two units selected from:
- (a) a unit of formula IV wherein Ar represents moiety (iv), E and E′ represent oxygen atoms, m represents 0, w represents 1, G represents a direct link, s represents 0, and A and B represent 1;
- (b) a unit of formula IV wherein E represents an oxygen atom, E′ represents a direct link, Ar represents a moiety of structure (ii), m represents 0, A represents 1, B represents 0;
- (c) a unit of formula IV wherein E represents an oxygen atom, Ar represents moiety (i), m represents 0, E′ represents a direct link, A represents 1, B represents 0;
- (d) a unit of formula IV wherein Ar represents moiety (ii), E and E′ represent oxygen atoms, G represents a direct link, m represents 0, w represents 1, r represents 0, s represents 1 and A and B represent 1;
- (e) a unit of formula IV, wherein Ar represents moiety (iv), E and E′ represents oxygen atoms, G represents a direct link, m represents 0, w represents 0, s, r, A and B represent 1;
- and
- (f) a unit of formula IV, wherein Ar represents moiety (iv), E and E′ represent oxygen atoms, m represents 1, w represents 1, A represents 1, B represents 1, r and s represent 0 and G represents a direct link;
- wherein unit IV is of general formula
- wherein Ar is selected from
- wherein said copolymer has a melt-viscosity (MV) in the range 0.07 to 0.11 KNsm−2, when measured at a shear rate of 1000 s−1, a temperature of 400° C. and using a tungsten carbide die 0.5×3.175 mm.
7 more elements
Dependencies are inferred from the claim text.