A multilayer interlayer structure having a first and second polyvinyl acetal (poly(vinyl acetal)) layer and a cellulose ester layer having a thickness of at least 10 mils disposed between the first and second poly(vinyl acetal) layers. The cellulose ester layer can have a higher storage modulus and/or higher Tg than at least one of the poly(vinyl acetal) layers. The interlayer structure is useful to make glass panels having high stiffness and which possess good optical clarity for a variety of applications, including outdoor structural applications.

A thermoplastic polyester resin foam sheet including: a thermoplastic polyester resin; and at least one crystallization accelerator selected from an inorganic crystallization accelerator and an organic crystallization accelerator, wherein the thermoplastic polyester resin foam sheet has a crystallization time of 14 minutes or less, determined from a DSC curve obtained using a heat flux differential scanning calorimetry (DSC) apparatus by performing a second heating from 30 C. to 110 C. at a heating rate of 100 C./min, and holding the temperature at 110 C. for 30 minutes, wherein the crystallization time is determined in terms of a time between initiation of the second heating and a time of emergence of a peak top of a last appearing exothermic peak in the DSC curve.

A thermoplastic polyester resin foam sheet including: a thermoplastic polyester resin; and at least one crystallization accelerator selected from an inorganic crystallization accelerator and an organic crystallization accelerator, wherein the thermoplastic polyester resin foam sheet has a crystallization time of 14 minutes or less, determined from a DSC curve obtained using a heat flux differential scanning calorimetry (DSC) apparatus by performing a second heating from 30 C. to 110 C. at a heating rate of 100 C./min, and holding the temperature at 110 C. for 30 minutes, wherein the crystallization time is determined in terms of a time between initiation of the second heating and a time of emergence of a peak top of a last appearing exothermic peak in the DSC curve.

The invention relates to a novel process for the preparation of a precipitated silica, in which: a silicate is reacted with an acidifying agent, so as to obtain a suspension of precipitated silica, said suspension of precipitated silica is filtered, so as to obtain a filtration cake, said filtration cake is subjected to a liquefaction operation comprising the addition of an aluminum compound, after the liquefaction operation, a drying stage is carried out,
characterized in that a mixture of polycarboxylic acids is added to the filtration cake, during or after the liquefaction operation. It also relates to novel precipitated silicas and to their uses.

The invention relates to a novel process for the preparation of a precipitated silica, in which: a silicate is reacted with an acidifying agent, so as to obtain a suspension of precipitated silica, said suspension of precipitated silica is filtered, so as to obtain a filtration cake, said filtration cake is subjected to a liquefaction operation comprising the addition of an aluminum compound, after the liquefaction operation, a drying stage is carried out,
characterized in that a mixture of polycarboxylic acids is added to the filtration cake, during or after the liquefaction operation. It also relates to novel precipitated silicas and to their uses.

The invention relates to the recycling of polyamide and polyolefin wastes and fiber reinforced plastic wastes. Particularly, the invention relates to polymer blends and homogenous polymer agglomerates containing polyamide and polyolefin wastes or co-extruded film wastes and glass fiber reinforced plastic wastes, and to a single-stage continuous process for the preparation of said agglomerate. The invention also relates to products containing the aforementioned substances.

The invention relates to the recycling of polyamide and polyolefin wastes and fiber reinforced plastic wastes. Particularly, the invention relates to polymer blends and homogenous polymer agglomerates containing polyamide and polyolefin wastes or co-extruded film wastes and glass fiber reinforced plastic wastes, and to a single-stage continuous process for the preparation of said agglomerate. The invention also relates to products containing the aforementioned substances.

The invention relates to the recycling of polyamide and polyolefin wastes and fiber reinforced plastic wastes. Particularly, the invention relates to polymer blends and homogenous polymer agglomerates containing polyamide and polyolefin wastes or co-extruded film wastes and glass fiber reinforced plastic wastes, and to a single-stage continuous process for the preparation of said agglomerate. The invention also relates to products containing the aforementioned substances.

A blended thermoplastic composition includes: from about 20 wt % to about 99 wt % of a thermoplastic polymer element; from about 1 wt % to about 60 wt % of a graphite-based filler element including at least about 0.01 wt % functional groups on a surface of the graphite-based filler element; from about 0.1 wt % to about 30 wt % of a functional agent element; and from about 0 to about 50 wt % of a thermally conductive and electrically insulative filler. The functional agent element includes functional groups that interact with the functional groups on the surface of the graphite-based filler element, resulting in an increase of the volume resistivity of the blended thermoplastic composition that is at least 1*10.sup.2 greater than the volume resistivity of a substantially identical electrically conductive blended thermoplastic composition that does not include a functional agent element.

A blended thermoplastic composition includes: from about 20 wt % to about 99 wt % of a thermoplastic polymer element; from about 1 wt % to about 60 wt % of a graphite-based filler element including at least about 0.01 wt % functional groups on a surface of the graphite-based filler element; from about 0.1 wt % to about 30 wt % of a functional agent element; and from about 0 to about 50 wt % of a thermally conductive and electrically insulative filler. The functional agent element includes functional groups that interact with the functional groups on the surface of the graphite-based filler element, resulting in an increase of the volume resistivity of the blended thermoplastic composition that is at least 1*10.sup.2 greater than the volume resistivity of a substantially identical electrically conductive blended thermoplastic composition that does not include a functional agent element.