发明申请
US20070021518A1 ADDITIVES TO SPRAY URETHANE 审中-公开
添加剂喷涂URETHANE

ADDITIVES TO SPRAY URETHANE
摘要:
A polyurethane resin includes polyol and isocyanate residues which together form a base resin. The polyurethane resin further includes a plurality of hollow beads dispersed therein such that the density of the polyurethane resin is less than the density of the base resin. A method for forming the polyurethane resin comprises mixing hollow beads the polyol and/or isocyanate prior to spraying onto a substrate.
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