KR910018509A - Pale color, low softening point petroleum hydrocarbon resin - Google Patents

Abstract

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Description

Pale color, low softening point petroleum hydrocarbon resin

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Claims (11)

(a) a 5 wt% -75 wt% C ₈ -C ₁₀ vinyl aromatic hydrocarbon stream, (b) a piperylene stream up to 35 wt%, and (c) the general formula RR′C = CR ″ R ″ ′ where ., R and R 'are C ₁ -C ₅ alkyl, R "and R"' is selected from H and C ₁ -C ₄ are independently selected from the group of C ₄ -C] | Softening point 0-40 ° C., Gardner color below 7, prepared by polymerizing a hydrocarbon feedstock consisting of 25 wt% -70 wt% stream containing ₈ monoolefin chain transfer agent, Friedel Crafts color), a hydrocarbon resin having a number average molecular weight (Mn) of 100-600 and a ratio of 1, 1-2.7 Mw / Mn. The hydrocarbon resin according to claim 1, which is prepared by aluminum chloride catalyzed polymerization. The hydrocarbon value of claim 1 wherein the C ₈ -C ₁₀ vinyl aromatic hydrocarbon stream is a distillate fraction from steam cracked aromatic hydrogenation having a boiling point range of 80 ° C.-260 ° C. 7. The hydrocarbon resin of claim 1, wherein the piperylene stream is present in the hydrocarbon feedstock in an amount of 10 wt% -35 wt%. The hydrocarbon resin of piperelin according to claim 1, wherein the piperylene stream is heat soaked. The hydrocarbon resin of claim 1, wherein the chain transfer agent stream is present in an amount of 45 wt% -65 wt%. The hydrocarbon resin of claim 1 wherein the chain transfer agent stream is a mixture of C ₆ isomers produced by dimerization of propylene. The hydrocarbon feedstock of claim 1, wherein the hydrocarbon feedstock comprises (a) 5-50 parts by weight of styrene, α-methyl styrene, or mixtures thereof, (b) 10-26 parts by weight of cracked piperylene stream; And (c) 25-70 parts by weight of a mixed C ₆ olefins stream, produced by dimerization of propylene. (a) 5-50 parts by weight of styrene, α-methylstyrene or mixtures thereof, (b) 10-26 parts by weight of cracked piperylene concentrate; And (c) a softening point of 10-30 ° C. prepared by Friedel Kraft polymerization from a reaction mixture consisting of 25-70 parts by weight of the stream comprising mixed C ₆ monoolefins resulting from dimerization of propylene. A petroleum hydrocarbon resin having a Gardner chromaticity of 2 or less and a number average molecular weight of 350-500 and a molecular weight distribution of 1.1-1.3. The hydrocarbon resin according to claim 1, having a softening point of 15-30 ° C. ※ Note: The disclosure is based on the initial application.