摘要:
The invention relates to a thermoplastic membrane (e.g. film, fluid barrier, and the like) which is formed from a blend of: a) a first polymer component (FPC), wherein said FPC comprises a propylene-ethylene copolymer containing from 80 to 93 percent by weight of units derived from propylene, and having a melting point derived from stereoregular polypropylene sequences, as determined by differential scanning calorimetry (DSC), in the range of from 25° C. to 70° C., and a heat of fusion of from 2 J/g to 25 J/g; b) an inorganic filler; c) a processing oil, and d) optionally, a second polymer component (SPC), wherein said SPC is a stereoregular polypropylene containing less than 7 percent by weight of units derived from ethylene or alpha-olefin monomer containing from 4 to 8 carbon atoms and having melting point, as determined by DSC, greater than 130° C., and a heat of fusion greater than 80 J/g.
摘要:
The present invention is an imaging element which includes a support, an image forming layer and a backing layer. The backing layer includes a film forming polymeric binder, hard filler particles in an amount of from 10 to 80 volume percent of the backing layer, and crosslinked elastomeric matte beads having a glass transition temperature of 10.degree. C. or less.
摘要:
A fusing belt for thermoplastic electrostatographic toner comprises a seamless polyimide resin belt having an intermediate layer of a highly crosslinked silicone resin, which preferably contains a surfactant, and a surface layer of a silsesquioxane polymer, which also preferably contains a surfactant. The belt produces fused toner images of high gloss and has good release properties without the use of a release oil.
摘要:
The invention provides an improved polyethylene terephthalate photographic film base having excellent dimensional stability, optical clarity and mechanical strength while also possessing a crystalline configuration that enables finishing by cutting, chopping or perforating techniques at reduced fracture resistance with decreased generation of dirt.
摘要:
Provided is a dendritic ethylene polymer. The polymer is a dendritic polymer of an ethylene/alpha-olefin-diene copolymer and a vinyl-terminated polyethylene. There is also provided a process for making a dendritic ethylene polymer. The process includes the steps of preparing a dendritic ethylene polymer by reacting ethylene/alpha-olefin-diene copolymer with vinyl-terminated polyethylene in the presence of a radical source. There is also provided a blend and a blown film that include the dendritic ethylene polymer.
摘要:
Provided is a fiber-reinforced composite. The composite has a propylene polymer including 90 wt % or more of propylene monomeric units based on the weight of the propylene polymer; a plurality of fibers of a solid, flexible material grafted to the propylene polymer; and an elastomer. The fibers are present in the composite at 10 wt % to 80 wt % based on the total weight of the composite. The propylene polymer is present in the composite at from 30 wt % to 95 wt % based on the total weight of the composite. The elastomer is present in the composite at from 5 wt % to 50 wt % based on the total weight of the composite. Greater than 50 wt % of the fibers are dispersed within the propylene polymer based on the total weight of the fibers in the composite. There is also provided a process for making a fiber-reinforced composite.
摘要:
The invention provides for a film including a layer made from a composition, the composition produced from 30 percent by weight or more of a first polymer component (FPC), wherein said FPC includes a copolymer of propylene and from 6 to 30 percent by weight of another alpha-olefin, and having a melting point derived from stereoregular polypropylene sequences, as determined by differential scanning calorimetry (DSC) of 105° C. or less, and a heat of fusion of 45 J/g or less; and a second polymer component (SPC); wherein the SPC includes a thermoplastic polymer other than the FPC.
摘要:
The present invention provides a nanocomposite of an isobutylene-based elastomer and a phosphate nanofiller. Also disclosed is a nanocomposite embodiment wherein the elastomer is BIMSM and high aspect ratio, partially intercalated, partially exfoliated alpha-zirconium phosphate treated with amine or amide. A dispersion aid can include a low molecular weight polymer or oligomer, optionally functionalized with a polar group. The nanocomposite is suitable for use as an air barrier.
摘要:
The invention provides a method for increasing the viscosity of halogenated (brominated) elastomeric copolymers of a C4 to C7 isomonoolefin (isobutylene) and a para-alkylstryrene (p-methylstyrene) by mixing the copolymer with a silica or clay particulate filler which has been contacted with an aminosilane containing at least one C1 to C4 alkoxy group and at least one primary, secondary or tertiary amine group. The resulting elastomer compositions are used to prepare thermoplastic elastomer blend compositions, containing more finely dispersed elastomers which results in compositions having improved mechanical properties.
摘要:
The present invention is an imaging element which includes a support, an image forming layer and a backing layer. The backing layer includes a film forming polymeric binder and crosslinked elastomeric matte beads having a glass transition temperature of 10.degree. C. or less.