专利名称：CLEAR PLASTIC 发明人：UCHIO SHIYUNJI 申请号：JP4387882
申请日：19820319enthusiasm>茅台英文
公开号：JPS58162615A 公开日：
19830927
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好烦摘要：PURPOSE:A clear plastic that obtained by adding a specific amount of an acid anhydride to a monomer mix of a monomer forming a straight-chain macromolecule and a crosslinking polyfunctional
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monomer, further a monomer bearing epoxy groups and polymerizing them, thus showing high clearity and chemical resistance. CONSTITUTION:At least one of monomers who homopolymer has a straight chain structure such as methyl methacrylate is combined with up to veral % of a crosslinking polyfunctional monomer such as diallyl phthalate, further along with a monomer for improving refractive index such as styrene. The resultant multicomponent monomer mix is further combined with a monomer with 2 or more functional groups at least one of which is epoxy such as allyl glycidyl ether, additionally with an acid anhydride such as maleic anhydride in an amount of 20wt% bad on the equivalent amount of the epoxy groups. Then, a polymerization initiator is added to the mixture to effect polymerization, thus producing the objective clear plastic with higher than 70% transmittance in the visible region.欲望都市主题曲>六级多少分过线
申请人：OLYMPUS KOGAKU KOGYO KK
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