| 摘要 |
A slate using the recycled plastic is provided to improve working efficiency and to ensure strong strength by recycling waste plastic disposed as waste. A mixture is added with (a) a stabilizer 0.5 ~ 1.5 weight% mixed with one or two kinds or more selected from (i) 2,3-tert-butyl-4-methoxyphenol:BHA having a melting point of 58 ~ 60deg.C and the molecular formula of (CH3)3CC6H3(OCH3)OH, (ii) 2,6-Di-tert-butyl-4-methylphenol having a melting point of 69 ~ 70 deg.C and the molecular formula of C15H24O, (iii) tert-butylhydroquinone having a melting point of 125deg.C and the molecular formula of C10H14O2 and (iv) 2,6-di-tert-butylphenol having a melting point of 35 ~ 38deg.C; (b) carbon black 2 ~ 5 weight% as a coloring agent; (c) chlorinated polyethylene:CPE 2 ~ 5 weight% as a reinforcing agent; and (d) benzophenone 2 ~ 5 weight% as a ultraviolet-absorbing agent. A slate(1) using the recycled plastic is manufactured by heating the mixture at 150 ~ 230deg.C and passing the mixture through a mold of 50 ~ 85deg.C and injection molding it.
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