摘要:
Olefinic interpolymer compositions comprising the olefinic interpolymer, residuals from a transition metal catalyst and boron containing activator package, and a charge dissipation modifier and methods for making them. The compositions have dissipation factors that are at least 50% less than the corresponding olefinic interpolymer compositions which have not been treated with charge dissipation modifiers. The compositions are useful in wire and cable applications.
摘要:
Olefinic interpolymer compositions comprising the olefinic interpolymer, residuals from a transition metal catalyst and boron containing activator package, and a charge dissipation modifier and methods for making them. The compositions have dissipation factors that are at least 50% less than the corresponding olefinic interpolymer compositions which have not been treated with charge dissipation modifiers. The compositions are useful in wire and cable applications.
摘要:
Olefinic interpolymer compositions comprising the olefinic interpolymer, residuals from a transition metal catalyst and boron containing activator package, and a charge dissipation modifier and methods for making them. The compositions have dissipation factors that are at least 50% less than the corresponding olefinic interpolymer compositions which have not been treated with charge dissipation modifiers. The compositions are useful in wire and cable applications.
摘要:
Polyhydroxy curable fluoroelastomer compositions contain at least one process aid that is an aminosilicone having only a single primary amine group per polysiloxane molecule.
摘要:
An extrudable composition comprising a non-fluorinated, melt processable host polymer and from about 25 parts per million by weight to about 50% by weight, based on total weight of said extrudable composition, of a fluoropolymer consisting essentially of copolymerized units of from 45 to 95 mole percent, based on total weight of said fluoropolymer, of tetrafluoroethylene (TFE) and from 5 and 55 mole percent, based on total weight of said fluoropolymer, of 3,3,3-trifluoropropylene (TFP).
摘要:
A process aid for improving the processability of non-fluorinated melt processible polymers contains a fluoroelastomer having a Mooney viscosity (ML (1+10) at 121° C.) between 30 and 100 and at least two interfacial agents, one a polycaprolactone having a Mn between 2000 and 8000 and the other a polyalkylene oxide having a Mn between 3000 and 5000.
摘要:
Polyhydroxy curable fluoropolymer compositions comprise polyhydroxy curable fluoropolymer, a β-fluoroalcohol having the formula R—(CF2)n-CH2—OH, wherein R is H, F or CH3O and n is an integer from 2 to 7, a polyhydroxy curative, acid acceptor and accelerator.
摘要:
In a process for the manufacture of fluoroelastomers, a water-soluble polymeric coagulant is employed that is an aqueous solution of polyethyleneimine or its copolymers.
摘要:
A fluoroelastomer masterbatch comprising a particulate matrix material wherein the particles of the matrix material have an average size selected from the range of from 1 μm to 1000 μm in diameter, the concentration of fluoroelastomer is from about 0.2% to 40% by weight, and the fluoroelastomer is dispersed within the interstitial spaces of the particulate matrix material.
摘要:
Polyamide-reinforced polyacrylate polymer compositions comprising a continuous polyacrylate polymer phase and a discontinuous polyamide phase are produced by a melt mixing process. When crosslinked with peroxide curatives the polyamide-reinforced polyacrylate polymer compositions exhibit enhanced resistance to heat aging compared to carbon black-reinforced polyacrylate polymer compositions.