| 摘要 |
<p>An acrylic material comprising: a) 10-90 % wt. of an acrylic copolymer containing 80-99 % wt. of methyl methacrylate residues and 1-20 % wt. of a C1-C4 alkyl acrylate, b) 5-85 % wt. of a solid halogen-containing polymer which is compatibe with methyl methacrylate, and c) 5-20 % wt. of a phosphorous-containing organic fire retardant compound is disclosed which has improved performance on burning, particularly in relation to those burning characteristics which affect the hazard presented in the event of a fire.</p> |
