Delayed cure bismaleimide resins

Patent · Tue Aug 07 00:00:00 EDT 1984

OSTI ID:865123

Adams, Johnnie E ^[1]; Jamieson, Donald R ^[2]

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1. Grandview, MO
2. Merriam, KS

Polybismaleimides prepared by delayed curing of bis-imides having the formula ##STR1## wherein R.sub.1 and R.sub.2 each independently is H, C.sub.1-4 -alkyl, C.sub.1-4 -alkoxy, Cl or Br, or R.sub.1 and R.sub.2 together form a fused 6-membered hydrocarbon aromatic ring, with the proviso that R.sub.1 and R.sub.2 are not t-butyl or t-butoxy; X is O, S or Se; n is 1-3; and the --(CH.sub.2).sub.n -- group, optionally, is substituted by 1-3 methyl groups or by fluorine.

• Research Organization: Kansas City Plant (KCP), Kansas City, MO (United States)
• DOE Contract Number: AC04-76DP00613
• Assignee: United States of America as represented by United States (Washington, DC)
• Patent Number(s): US 4464520
• Application Number: 06/407,664
• OSTI ID: 865123
• Country of Publication: United States
• Language: English

Related Subjects

delayed
cure
bismaleimide
resins
polybismaleimides
prepared
curing
bis-imides
formula
str1
independently
1-4
-alkyl
-alkoxy
br
form
fused
6-membered
hydrocarbon
aromatic
proviso
t-butyl
t-butoxy
1-3
optionally
substituted
methyl
fluorine
hydrocarbon aromatic
/526/524/