Resilient high modulus polyurethane elastomer

Details Resilient high modulus polyurethane elastomer Resilient high modulus polyurethane elastomer

1982-04-08

1984-12-04

Hoke, Veronica P.

Ordnance

Rocket launching

Having tubular guide means

528 66, 528 77, C08G 1883, F16J 1532

Patent

active

044857195

ABSTRACT:
A resilient, strong, high modulus polyurethane elastomer structural member is made from (A) a prepolymer prepared from a composition consisting essentially of 4,4'-diphenylmethane diisocyanate, low molecular weight triol, and polyoxytetramethylene glycol, and (B) hydroquinone di-(.beta.-hydroxyethyl) ether, as a chain extender.

REFERENCES:
patent: 4033593 (1977-07-01), Molnar et al.
Mendelsohn, M. A. et al, "Chemical & Engineering Properties of Polyurethane Isolator Pads" I & E.C. Prod. Res. & Dev. vol. 14, 181-189 (1975).
Mendelsohn, M. A. et al, "Polymer Composition & Structural Design" I & E.C. Prod. Res. & Dev., vol. 10, 14-25 (1971).
May, C. A. ed. for Resins for Aerospace, ACS publication, 151-200 (1980).
Wright, P. et al, Solid Polyurethane Elastomers, 38-63, 72-79 (1969).

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