Resin formulation

Details Resin formulation Resin formulation

B - Operations, Transporting

32

B

B32B 1/06 (2006.01) B29C 47/02 (2006.01) B29C 70/00 (2006.01) B29C 70/02 (2006.01) B29C 70/52 (2006.01) B29C 70/66 (2006.01) B32B 5/18 (2006.01) B32B 5/28 (2006.01) B32B 27/18 (2006.01) C08J 9/32 (2006.01) C08K 7/26 (2006.01) C08L 75/04 (2006.01) E06B 3/22 (2006.01)

Patent

CA 2421901

The invention provides a composite part comprising a matrix and coated, hollow microspheres. The coated, hollow microspheres are generally polymeric spheres with an inorganic exterior coating such as calcium carbonate. In one embodiment, the composite part is a fenestration component formed by a pultrusion process, and may include reinforcing fiber material such as roving or mat. In some embodiments, the matrix is made from a curable precursor that includes a thermosetting resin and coated, hollow microspheres. A method for making a pultruded composite part incorporating coated, hollow microspheres is also provided.

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