Toughening reinforced epoxy composites with brominated polymeric

Details Toughening reinforced epoxy composites with brominated polymeric Toughening reinforced epoxy composites with brominated polymeric

1985-08-15

1986-05-13

Bleutge, John C.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525119, 525122, 525108, 523434, 523438, 523445, 523461, 523468, C08L 6304, C08L 6310

Patent

active

045887780

ABSTRACT:
Cured polyfunctional epoxy resins including tris(hydroxyphenyl)methane triglycidyl ether are toughened by addition of polybrominated polymeric additives having an EE below 1500 to the pre-cure composition. Carboxy-terminated butadiene-acrylonitrile rubber is optionally present in the pre-cure mixture as such or as a pre-formed copolymer with other reactants. Reinforced composites, particularly carbon-reinforced composites, of these resins are disclosed and shown to have improved toughness.

REFERENCES:
patent: 3947522 (1976-03-01), Shelley, Jr. et al.

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