Hydrocarbon resins prepared by sequential hydrogenation and direct decolorization
A method of hydrogenating and decolorizing a resin can include reacting a resin mixture comprising an oligomerization reaction product of at least one polymerizable monomer containing an olefinic unsaturation and a solvent with a sulfurized bimetallic catalyst and an excess of hydrogen under conditi...
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Zusammenfassung: | A method of hydrogenating and decolorizing a resin can include reacting a resin mixture comprising an oligomerization reaction product of at least one polymerizable monomer containing an olefinic unsaturation and a solvent with a sulfurized bimetallic catalyst and an excess of hydrogen under conditions effective to form a hydrogenated resin mixture; providing the hydrogenated resin mixture directly to a noble metal catalyst; and reacting the hydrogenated resin mixture in the presence of a noble metal catalyst under conditions effective to form a decolorized resin mixture. A decolorized resin composition comprising the decolorized resin mixture formed according to the foregoing may have a yellowness index of about 10 or less as measured by ASTM E 313.
树脂氢化和脱色的方法可包括使树脂混合物与硫化双金属催化剂和过量氢气在有效形成氢化的树脂混合物的条件下反应,树脂混合物包含至少一种含有烯属不饱和度的可聚合单体的低聚反应产物和溶剂;将氢化的树脂混合物直接提供给贵金属催化剂;和在贵金属催化剂存在下在有效形成脱色的树脂混合物的条件下使氢化的树脂混合物反应。包含根据前述形成的脱色的树脂混合物的脱色的树脂组合物可具有通过ASTM E 313测量约10或更低的黄度指数。 |
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