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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1395255Generated: October 30, 2026

Cyclopentadiene → HCID 86736979, compound

https://huagongshe.com/reaction/1395255

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCyclopentadieneHCID 7612—
ReactantMaleic AnhydrideHCID 7923—
ProductHCID 86736979HCID 86736979—

Reaction Conditions

Temperature205 °C

Reaction Steps

A solution of 0.3 ml. of t-butyl hydroperoxide-70 in 6.6 g. of cyclopentadiene was added in 4 portions over 10 min. to 9.8 g. of maleic anhydride at 205° C. After a subsequent 15 min. heating period at 205° C., the 1:2 cyclopentadiene-maleic anhydride copolymer was obtained in a yield of 4.5 g. (34%). When the additional heating period was increased from 15 min. to 80 min. at 205° C., the yield was increased to 5.0 g. (38%). The copolymer had a softening point of 280° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04202955
Source datasetuspto-grants-1980_05
ORD IDord-dcf545ed74734054b19d935dad80b3c6
Source noteuspto-grants-1980_05