| 摘要 |
<p>PURPOSE: A sheet for anti-shock and sealing with flame retardant property is provided to prevent inlet of contaminant from outside and to prevent damage of components. CONSTITUTION: A sheet for anti-shock and sealing contains an adhesive layer(2), polyurethane(4), and surface coating layer(6). The polyurethane contains melamine polyphosphate and dipheanyl cresyl phosphate. The polyurethane layer comprises 50-130 weight parts of prepolymer, 50-70 weight parts of melamine polyphosphate as a flame retardant, and 10-20 weight parts of diphenyl cresyl phosphate. The prepolymer contains diisocyanate selected from a group consisting of methylene diphenyl isocyanate, toluene diisocyanate, methylene diphenyl disocyanate oligoner, toluene diisocyanate oligomer, and carbodimide modified methylene diisocyanate.</p> |
