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1. (WO2017200844) GRANULES

Pub. No.:    WO/2017/200844    International Application No.:    PCT/US2017/032209
Publication Date: Fri Nov 24 00:59:59 CET 2017 International Filing Date: Fri May 12 01:59:59 CEST 2017
IPC: C04B 28/26
Applicants: 3M INNOVATIVE PROPERTIES COMPANY
Inventors: SKORINA, Taisiya
ROSENFLANZ, Anatoly Z.
TANGEMAN, Jean A.
BUDD, Kenton D.
Title: GRANULES
Abstract:
A plurality of granules comprising ceramic particles bound together with an inorganic binder, the inorganic binder comprising reaction product of at least alkali silicate and hardener, wherein the ceramic particles are present as at least 50 percent by weight of each granule, based on the total weight of the respective granule, wherein each granule has a total porosity in a range from greater than 0 to 50 percent by volume, based on the total volume of the respective granule, and wherein the granule has a minimum Total Solar Reflectance of at least 0.7. The granules are useful, for example, as roofing granules.