endo-Dicyclopentadiene → Formaldehyde
Reaction equation
[CH2:1]1[CH:5]2[C@@H:6]3[CH:10]=[CH:9][C@H:8]([CH:4]2[CH:3]=[CH:2]1)[CH2:7]3.[O:11]1[C:16]2[CH:17]=[CH:18][CH:19]=[CH:20][C:15]=2C=C[NH:12]1>>[CH2:1]1[CH:5]2[C@@H:6]3[CH:10]=[CH:9][C@H:8]([CH:4]2[CH:3]=[CH:2]1)[CH2:7]3.[C:16]1([OH:11])[CH:17]=[CH:18][CH:19]=[CH:20][CH:15]=1.[NH2:12][C:4]1[CH:8]=[CH:9][CH:10]=[CH:6][CH:5]=1.[CH2:16]=[O:11]Participants
5
Procedure
Another objective of the present invention is to provide a method of manufacturing a copolymer of DCPD-containing benzoxazine (DCPDBz) and cyanate ester resin. The method comprises the steps of: providing DCPD-phenol oligomer, aniline, and paraformaldehyde in a first solvent to form a first solution, allowing the first solution to undergo a reaction at 110° C. for 6-12 hours, extracting and baking the first solution, precipitating and rinsing a product with a second solvent, drying the precipitated rinsed product in a vacuum oven to obtain DCPDBz, mixing a cyanate ester and the DCPDBz at 150° C., and heating the mixture up to 220° C. to produce the copolymer of the thermosetting polymeric DCPDBz and cyanate ester resin.
Workup
- customto provide a method
Sources & evidence
- ORD record
- ord-8c3943d8341641c694ffcb39e2c36f77
- Source dataset
- uspto-grants-2016_04
- Patent number
- US09321889B1
Reaction notes
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