High molecular weight polycaprolactone prepolymers used in high-

Details High molecular weight polycaprolactone prepolymers used in high- High molecular weight polycaprolactone prepolymers used in high-

1986-11-06

1988-10-04

Miller, Edward A.

Explosive and thermic compositions or charges

Structure or arrangement of component or product

Solid particles dispersed in solid solution or matrix

149 20, C06B 4510

Patent

active

047754320

ABSTRACT:
Poly(caprolactone) polymers are provided having molecular weights of 4000 or higher, are used to form propellant binders. When the high molecular weight poly(caprolactone) polymers are used in propellant formulations and cured with isocyanates of adequate functionality, propellants are produced having improved stress and strain characteristics relative to presently formulated propellants having binders of cured, lower molecular weight poly(caprolactone) polymers.

REFERENCES:
patent: 4394329 (1983-07-01), Barnes
patent: 4430131 (1984-02-01), Tremblay
patent: 4536235 (1985-08-01), Lelu et al.
patent: 4555277 (1985-11-01), Scribner
Schindler, A., et al., J. of Polymer Science 20 (1982) pp. 319-326.

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