| 摘要 |
85 SHAPED ARTICLE FOR CLEAN ROOMS AND ME-IHOD FOR PRODUCING THE SAME ABSTRACT PROVIDED IS A SHAPED ARTICLE FOR CLEAN ROOMS COMPRISING ARESINCOMPOSITIONPREPAREDBYMELT-KNEADINGLOOPARTSBYWEIGHT OF A CYCLIC OLEFIN POLYMER (A) HAVING A GLASS TRANSITION TEMPERATURE OF FROM 60 TO 2000C, FROM 1 TO 150 PARTS BY WEIGHT OF A FLEXIBLE COPOLYMER (B) PREPARED BY POLYMERIZING AT LEAST TWO MONOMERS SELECTED F ROM A GROUP CONSISTING OF OLEF INS, DIENES AND AROMATIC VINYL-HYDROCARBONS, AND HAVING A GLASS TRANSITION TEMPERATURE OF OOC 'OR LOWER, FROM 0.001 TO 1 PART BY WEIGHT 0 OF A RADICAL INITIATOR (C) , AND FROM 0 TO 1 PART BY WEIGHT OF A POLYFUNCTIONAL COMPOUND (D) HAVING AT LEAST TWO RADICAL-POLYMERIZABLE FUNCTIONAL GROUPS IN THE MOLECULE. THE SHAPED ARTICLE FOR CLEAN ROOMS HAS GOOD CHEMICAL RESISTANCE, 5 HEAT RESISTANCE AND DIMENSIONAL ACCURACY, IT IS INHIBITED FROM RELEASING A VOLATILE COMPONENT AROUND IT, AND IT HAS GOOD ABRASION RESISTANCE AND IS INHIBITED F ROM PRODUCING PARTICLES.
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