Abstract: There is disclosed a composition, suitable for use in dynamic applications at low temperature, the composition comprising a first polymeric material (A) having a repeat unit of formula —O-Ph-O-Ph-CO-Ph-??I wherein Ph represents a phenylene moiety; and a second polymeric material (B) having a repeat unit of formula (F2C—CF2)—??II and further comprising a pigment; wherein said composition has a melt viscosity of at least 0.50 kNsm-2. There is also disclosed an assembly or apparatus, a use and a polymeric micropellet.

Abstract: An assembly or apparatus for use in relation to an assembly, wherein said assembly is subjected to a temperature of less than ?50° C. in use, wherein said assembly or apparatus includes a component which comprises a polymeric material (A) having a repeat unit of formula —O-Ph-O-Ph-CO-Ph- (I) wherein Ph represents a phenylene moiety; and wherein said polymeric material (A) has a melt viscosity of at least 0.50 kNsm?2.

Abstract: A composite material comprising: i) one or more polymeric material having a repeat unit of formula —O-Ph-O-Ph-CO-Ph- (I) wherein Ph represents a phenylene moiety; and ii) one or more glass fibre; wherein said one or more polymeric material has a melt viscosity (MV) of more than 0.15 kNsm?2, but less than 0.65 kNsm?2, measured according to Example 1; wherein said one or more polymeric material a Melt Flow Index (MFI) that falls within the range 51% to 151% of the MFI calculated using the equation: log10(MFI)=1.929?2.408 (MV) wherein MV is the melt viscosity of said one or more polymeric material measured in kNsm?2 and according to Example 1, and wherein MFI is measured in g/10 mins according to Example 2.

Abstract: An assembly or apparatus for use in relation to an assembly, wherein said assembly is subjected to a temperature of less than ?50° C. in use, wherein said assembly or apparatus includes a component which comprises a polymeric material (A) having a repeat unit of formula —O—Ph—O—Ph—CO—Ph—(I) wherein Ph represents a phenylene moiety; and wherein said polymeric material (A) has a melt viscosity of at least 0.50 kNsm?2.

Abstract: A method of fitting a compressed component, for example a pipe, in a receiver, for example a bore, comprises compressing a selected component which is made out of a polymeric material having a glass transition temperature of at least 100° C., for example polyetheretherketone; arranging the compressed component in position within a receiver; and subjecting the compressed component to conditions, for example of temperature and/or pressure, whereby the compressed component expands.

Abstract: A method of fitting a compressed component, for example a pipe, in a receiver, for example a bore, comprises compressing a selected component which is made out of a polymeric material having a glass transition temperature of at least 100° C., for example polyetheretherketone; arranging the compressed component in position within a receiver; and subjecting the compressed component to conditions, for example of temperature and/or pressure, whereby the compressed component expands.