Provided is a method for preparing a modified filler. The method includes in sequence providing an acidified aqueous slurry of an untreated inorganic filler which has not been previously dried; an emulsifier material; and a hydrophobating agent having the following structural formula (I):
R.sub.a.sup.−M-X.sub.(4−a)  (I)
wherein: R is C.sub.6 to C.sub.22 alkyl, M is silicon, titanium or zirconium, X is OR′ or halogen, R′ is C.sub.1 to C.sub.4 alkyl, and a is 1;
washing and/or filtering the acidified aqueous slurry to obtain a modified filler; and, optionally, drying the modified filler. Polymeric compositions and articles also are provided.

Provided is a method for preparing a modified filler. The method includes in sequence providing an acidified aqueous slurry of an untreated inorganic filler which has not been previously dried; an emulsifier material; and a hydrophobating agent having the following structural formula (I):
R.sub.a.sup.−M-X.sub.(4−a)  (I)
wherein: R is C.sub.6 to C.sub.22 alkyl, M is silicon, titanium or zirconium, X is OR′ or halogen, R′ is C.sub.1 to C.sub.4 alkyl, and a is 1;
washing and/or filtering the acidified aqueous slurry to obtain a modified filler; and, optionally, drying the modified filler. Polymeric compositions and articles also are provided.

This invention encompasses rubber modified asphalt cement compositions, as well as systems, apparatuses, methods for preparing, as well as methods for using rubber-modified asphalt cement compositions.

This invention encompasses rubber modified asphalt cement compositions, as well as systems, apparatuses, methods for preparing, as well as methods for using rubber-modified asphalt cement compositions.

This invention encompasses rubber modified asphalt cement compositions, as well as systems, apparatuses, methods for preparing, as well as methods for using rubber-modified asphalt cement compositions.

A rubber composition that includes a rubber component, an inorganic fiber material, and a coupling agent. The inorganic fiber material is one or more inorganic fiber materials selected from the group consisting of a magnesium sulfate fiber, a calcium silicate fiber, a potassium titanate fiber, an aluminum borate fiber, and a glass fiber.

Provided are bitumen nanocomposites. The bitumen nanocomposites have one or more clay, one or more polymer composition, and bitumen. A polymer composition can have one or more polymer and one or more crumb rubber. A polymer may have one or more maleic anhydride group. The bitumen nanocomposites can be used in, for example, road surfacing products and roofing products.

Provided are bitumen nanocomposites. The bitumen nanocomposites have one or more clay, one or more polymer composition, and bitumen. A polymer composition can have one or more polymer and one or more crumb rubber. A polymer may have one or more maleic anhydride group. The bitumen nanocomposites can be used in, for example, road surfacing products and roofing products.

A crosslinked rubber composition contains a rubber component and para-aramid short fibers having a filament fineness of 2.5 dtex or more and dispersed in the rubber component.

Provided is a rubber composition that achieves both wet performance and low loss property while delivering excellent dry handling performance. A rubber composition comprises: a rubber component; and a styrene-alkylene block copolymer, wherein a total styrene content of the styrene-alkylene block copolymer is 30 mass % or more.