US 10,889,530 B2
Reach-compliant pyrotechnic delayed-action composition and primer charge having variably settable performance parameters
Dirk Cegiel, Stubben (DE); Ernest Schulz, Hamburg (DE); and Julia Strenger, Hamburg (DE)
Assigned to Rheinmetall Waffe Munition GmbH, Unterluess (DE)
Filed on May 18, 2018, as Appl. No. 15/983,376.
Application 15/983,376 is a continuation of application No. PCT/EP2016/077014, filed on Nov. 8, 2016.
Claims priority of application No. 10 2015 014 821 (DE), filed on Nov. 18, 2015.
Prior Publication US 2018/0334413 A1, Nov. 22, 2018
Int. Cl. C06B 33/00 (2006.01); C06B 23/00 (2006.01); C06C 9/00 (2006.01); F42C 9/10 (2006.01); C06C 5/06 (2006.01); F42B 3/16 (2006.01); D03D 23/00 (2006.01); D03D 43/00 (2006.01); C01G 49/02 (2006.01)
CPC C06B 33/00 (2013.01) [C06B 23/001 (2013.01); C06C 5/06 (2013.01); C06C 9/00 (2013.01); F42B 3/16 (2013.01); F42C 9/10 (2013.01); C01G 49/02 (2013.01)] 16 Claims
1. A pyrotechnic primer charge or delay composition composed of REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals)-compliant constituents which are toxicologically unproblematical for human beings and the environment, the pyrotechnic primer charge or delay composition comprising:
at least one oxidizing agent;
at least one reducing agent;
at least one additive that is slag or framework-forming; and
at least one mineral binder,
wherein the at least one mineral binder comprises amorphous polysilicic acids, and
wherein the amorphous polysilicic acids of the delay composition are processed with the aid of lithium water glass solutions to give granular material, such that the at least one mineral binder is not hygroscopic.