Electrically Controlled Propellants Additive Composites
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Solution Overview
Problem
Existing Electrically Controlled Propellants (ECPs) lack enhancements in mechanical, chemical/energetic, ballistic, and adhesive properties, which are crucial for improved performance and reliability in various propulsion applications.
Innovation Solution
The addition of specific additives such as Boric Acid, organosilanes, siloxanes, poly(dimethylsiloxane)s, polyhydroxyl compounds, cyclic saccharides, multifunctional amines, phosphates, polynitrogen compounds, and nanoengineered fuel additives to ECPs formulations to enhance mechanical, chemical/energetic, ballistic, and adhesive properties, tailored for specific performance requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional propellant formulations are used, then the basic propellant function is achieved, but the mechanical strength, storage stability, and adhesive properties are insufficient
Solution Approach 1:
The patent applies composite materials by combining traditional propellant ingredients with nanoscale additives (such as nanosilica, nanoclays, nanoxides) and polymer modifiers to create a multi-phase composite system. These composite structures provide both mechanical reinforcement through the nanofillers and improved storage stability through the polymer matrix, resolving the contradiction between strength and reliability.
Solution Approach 2:
The patent utilizes parameter changes by systematically varying the concentration, particle size distribution, and surface treatment of additive components to optimize both mechanical strength and storage stability. By adjusting these parameters, the formulation achieves enhanced tensile strength and structural integrity while maintaining long-term storage stability under various environmental conditions.
2Ease of manufacture
If propellant formulation is simplified, then manufacturing is easier, but mechanical properties and adhesive properties deteriorate
Solution Approach 1:
The patent applies universality by using multifunctional additives that simultaneously provide multiple benefits: nanosilica and nanoclays serve as both mechanical reinforcement agents and adhesion promoters, while polymer modifiers provide both structural integrity and processing improvements. This multi-functionality allows the formulation to maintain enhanced mechanical properties without significantly complicating the manufacturing process.
3Ease of manufacture
If propellant formulation is simplified, then manufacturing is easier, but adhesive properties deteriorate
Solution Approach 1:
The patent applies composite materials by incorporating surface-treated nanoparticles and polymer adhesion promoters that enhance bonding to confining structures. These composite components provide improved adhesive properties through increased surface area and chemical bonding opportunities, while the overall formulation remains relatively simple and compatible with existing manufacturing processes.
4Speed
If traditional propellants are used, then basic propulsion is achieved, but burning rate control and ignition characteristics are insufficient
Solution Approach 1:
The patent applies parameter changes by systematically adjusting the composition, particle size, and distribution of oxidizer and fuel components, as well as the concentration of catalytic and inhibiting agents. These parameter modifications enable precise control over burning rate while ensuring reliable and consistent ignition characteristics across various operating conditions.
Data Source
AI summary
The present application discloses an improved electrically controlled propellant wherein the electrically controlled propellant comprises at least one compound selected from the group comprising organosilanes, siloxanes, and poly(dimethylsiloxane)s.