| 摘要 |
PURPOSE: Provided is a constructional interior material which has strong physical hardness, insulation of heat, waterproofing, air-cleaning, bactericidal, moisture and oder absorbing properties so that it provides pleasant living condition. CONSTITUTION: The composition comprises: 20-100 wt. parts of more than one polyolefin resin selected from ethylenevinylacetate, low density polyethylene, high density polyethylene, polypropylene and linear low density polyethylene with 60-160 deg.C of m.p., 0.90-1.05g/cm¬2 of density, 0.3-25g/10min. of melting index; 3-30wt. parts of foaming agent selected from azodicarbonamide, dinitr-oxo-pentamethyl-tetra-amine, azobisisobutylnitrile and p-toluene- sulfonylhydrazide and 1-70 wt. parts of charcoal powder, 0.2-3wt.% of dicumylperoxide as a cross linking agent, 40-200wt.% of fire retardant such as phosphorous ester and magnesium hydroxide and 0.2-2.0wt.% of anti-oxidant like phenols or aromatic amines.
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