| 摘要 |
<p>#CMT# #/CMT# Molding material with a melt flow index (230[deg] C, 3.8 kg) of 0.1-5 cm 3>/10 minutes comprises 49.5-99.5 wt.% of a (meth)acrylate (co)polymer and 0.5-15 wt.% ceramic beads. #CMT# : #/CMT# Independent claims are also included for: (1) producing shaped products by reshaping a material as above; (2) shaped product produced as above. #CMT#USE : #/CMT# Shaped products made from the material are useful as parts of household appliances, communications devices, hobby or sports equipment, automobile, ship and aircraft bodywork parts, lighting and display devices, shop equipment, containers, houshold or office decorations, furniture, shower or office doors, construction parts, walls, window frames, benches, lamp covers, diffusing panels and automobile glazing (all claimed). #CMT#ADVANTAGE : #/CMT# Shaped products made from the material have a finely matted surface with good optical and mechanical properties. #CMT#CERAMICS AND GLASS : #/CMT# The ceramic beads are preferably made of a material comprising 55-62 wt.% silica, 21-35 wt.% alumina, up to 7 wt.% iron(III) oxide, up to 11 wt.% sodium oxide and up to 6 wt.% potassium oxide. #CMT#POLYMERS : #/CMT# The polymer preferably comprises either 96-100 wt.% methyl methacrylate and 0-4 wt.% methyl, ethyl or butyl acrylate or 50-90 wt.% methyl methacrylate, 10-20 wt.% styrene and 5-15 wt.% maleic anhydride. #CMT#EXAMPLE : #/CMT# Typical material comprises 95 wt.% Plexiglas 7H (RTM) and 5 wt.% Zeeosphere W-210 (RTM).</p> |
