Method for preparing hydrogenated petroleum resin by using dicyclopentadiene as a raw material
A technology of dicyclopentadiene and petroleum resin, which is applied in the field of preparing high-quality hydrogenated petroleum resin, can solve the problems of large material loss, high cost, and no simple and effective method to solve harmful impurities and the like
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[0026] The dicyclopentadiene used in Examples 1-10 is derived from the crude dicyclopentadiene product separated from the C5 separation device. Its components are shown in Table 1.
[0027] Table 1.
[0028] components
Content (wt.%)
CPD
0.3
DCPD
84.0
NB
9.5
carbon six
1.2
other
5.0
[0029] Crude dicyclopentadiene is processed and synthesized hydrogenated petroleum resin according to the following process:
[0030] 1) The DCPD raw material is mixed with an organic solvent and then continuously passed through a tubular reactor with a static mixing element for thermal polymerization to generate petroleum resin;
[0031] 2) The DCPD polymerization solution obtained in step 1) is passed through a fixed bed filled with a high-nickel catalyst, and harmful impurities such as sulfur in the raw material are removed in an atmosphere facing hydrogen;
[0032] 3) adding a colloidal polymerization inhibitor to the petr...
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