	US 11,753,353 B2
	PBX composition
Rebecca Elizabeth Stephens, Usk Monmouthshire (GB); Richard Stephen Arthur, Porthsmouth (GB); Wayne Cord Hayes, Reading (GB); and Michael Edward Budd, Reading (GB)
Assigned to BAE SYSTEMS PLC, London (GB)
Filed by BAE SYSTEMS PLC, London (GB)
Filed on Jan. 18, 2021, as Appl. No. 17/151,554.
Application 17/151,554 is a continuation of application No. 15/746,980, granted, now 11,186,528, previously published as PCT/GB2016/052028, filed on Jul. 6, 2016.
Claims priority of application No. 15275169 (EP), filed on Jul. 7, 2015; application No. 1511869 (GB), filed on Jul. 7, 2015; and application No. 1601433 (GB), filed on Jan. 26, 2016.
Prior Publication US 2021/0317051 A1, Oct. 14, 2021
Int. Cl. C06B 45/10 (2006.01); C06B 21/00 (2006.01)

CPC C06B 45/10 (2013.01) [C06B 21/0058 (2013.01)]

16 Claims

1. A precure castable explosive composition comprising:

an explosive material;

a polymerisable binder; and

a cross-linking reagent having at least a first reactive group protected by a first labile blocking group and a second reactive group protected by a second labile blocking group, the first and second labile blocking groups independently selected from

(i) NHR²R³, wherein R²and R³are an alkyl, an alkenyl, a branched-chain alkyl, C(O)R¹², an aryl, a phenyl, or together form a heterocycle, wherein R¹²is an alkyl, an alkenyl, a branched chain alkyl, a branched chain aryl, a phenyl, or R²and R³together form a lactam; or

(ii) O—N═CR⁹R¹⁰, wherein R⁹and R¹⁰are independently selected from an alkyl, an alkenyl, a branched chain alkyl, an aryl, or a phenyl, and wherein at least one of R⁹or R¹⁰is a branched chain alkyl, a branched chain aryl, or a phenyl.