A temporary adhesive material for a wafer processing, used for temporarily bonding a support and a wafer having a circuit-forming front surface and a back surface to be processed, contains a complex temporary adhesive material layer having a three-layered structure that includes a first temporary adhesive layer composed of a non-silicone thermoplastic resin layer capable of releasably adhering to the front surface of the wafer, a second temporary adhesive layer composed of a thermosetting siloxane polymer layer laminated on the first temporary adhesive layer, and a third temporary adhesive layer composed of a thermosetting siloxane-modified polymer layer laminated on the second temporary adhesive layer and capable of releasably adhering to the support. A wafer processing laminate and temporary adhesive material for a wafer processing facilitate temporary adhesion and separation, have excellent CVD resistance, and can increase productivity of thin wafers, and a method manufactures a thin wafer using the same.

A composite and a coating having engineered reflective properties are described. The composite comprises a matrix and flakes of a multilayer polymer film including one or more bilayers including at least a layer of a first polymer and a layer of a second polymer having a different refractive index than the first polymer. The coating described includes the composite as applied to a surface and has a reflectance of at least 10% for a selected wavelength range and a transmittance of at least 50% at wavelengths outside of the selected wavelength range. Also described are methods for forming the composite and the coating.

A low density coring material is described. In one embodiment, the low density coring material consists essentially of: about 40 to about 80 wt % resin; 0 to about 50 wt % monomer; 0 to about 5 wt % dispersion aid; 0 to about 5 wt % accelerator; about 3 to about 7 wt % microspheres; and about 1 to about 5 wt % catalyst; wherein a density of the cured coring material is less than about 5.0 lbs/gal. Composites made using the low density coring material and methods of making composites are also described.

A method may include forming a mat including paper fragments, plastic fragments, and top and bottom outer surface layers, wherein the outer surface layers have maximum processing temperature values and consolidating the formed mat in a continuous hot press including three pairs of opposing top and bottom heating platens. A first pair of heating platens has a first heating power. A second pair of heating platens has a second, lower heating power. A third pair of heating platens has a third, even lower heating power. The method may include consolidating the formed mat in a continuous cold press including three pairs of opposing top and bottom heating platens. A first pair of cooling platens has a first cooling power. A second pair of cooling platens has a second, lower cooling power. A third pair of cooling platens and has a third, even lower cooling power.

Multiple layer interlayers having enhanced optical and acoustic properties are provided, along with methods of making and using the same. Interlayers as described herein may include at least two outer skin layers and an inner core layer, with one of the outer skin layers having a different thickness than the other at one or more locations along the interlayer. The multi-layer interlayer may also exhibit acoustic properties and, in some cases, may have an overall wedged thickness profile. Additionally, in some aspects, interlayers and laminates formed therefrom may also provide reduced infrared energy transmission, without sacrificing acoustic and/or optical performance.

A fiber-reinforced thermoplastic composite material having an advantageous combination of smoke generation, heat release, and mechanical property characteristics. The composite generally comprises a fiber-reinforced thermoplastic core containing discontinuous reinforcing fibers bonded together with one or more thermoplastic resins. The core material may further comprise at least one first skin material applied to a first surface of the core and/or one or more second skin material applied to a second surface of the core material. The thermoplastic core material has a maximum smoke density D.sub.s (4 minutes) of less than 200 as measured in accordance with ASTM E662, a maximum heat release (5 minutes) of less than 65 kW/m.sup.2 as measured in accordance with FAA Heat release test FAR 25.853 (a) Appendix F, Part IV (OSU 65/65), and an average total heat release (2 minutes) of less than 65 kW/m.sup.2 as measured in accordance with FAA Heat release test FAR 25.853 (a) Appendix F, Part IV (OSU 65/65). The invention is useful in the manufacture of articles for aircraft, automotive, railcar, locomotive, bus, marine, aerospace and construction in which the certain advantages may be provided over other materials utilized for such applications.

The invention relates to a biaxially oriented single-layer or multilayer porous film which comprises at least one porous layer and said layer comprises at least one propylene polymer, at least one -nucleating agent and particles, said particles having a melting point of over 200 C. and at most an agglomerate or at most a particle having a particle size of >1 m being detectable on a REM recording of a film sample of 10mm2.

An acoustic damping building material (100) comprising an acoustic damping layer (118) secured to at least a portion of a substrate (110). The acoustic damping layer comprises at least two media wherein the at least two media are configured such that the acoustic damping layer comprises at least one direct energy transmission pathway and at least one indirect energy transmission pathway through the acoustic damping layer to the substrate.

There is provided a sheet-shaped sealing material that has excellent shock absorbency, sealing properties, cold and heat resistance, and light resistance even if the thickness is small. The sheet-shaped sealing material according to the present invention comprises: a silicone resin (A); and a plurality of particles (B) dispersed in the silicone resin and each having a cavity portion therein. The thickness of the sheet-shaped sealing material is, for example, 0.05 to 4 mm. The plurality of particles (B) comprise, for example, foamed particles that is thermally expanded.

A multi-component fiber including at least first and second components. In some cases, at least a portion of the first component is opaque and microporous, and the second component is different from the first component. In some cases, at least a portion of the second component can be seen through at least a portion of the first component. A fiber having an opaque, microporous region and a see-through region of lower porosity is also disclosed. Fibrous webs including such fibers are also disclosed. In some cases, the fibrous web has at least one first region where first portions of the multiple fibers are opaque and microporous and at least one second region where second portions of the multiple fibers form a see-through region of lower porosity. Articles and laminates including the fibrous webs are disclosed. Methods of making the fibers, fibrous webs, and articles are also disclosed.