JPH0742188B2 - Combustion control propellant composition - Google Patents
Combustion control propellant compositionInfo
- Publication number
- JPH0742188B2 JPH0742188B2 JP3232682A JP23268291A JPH0742188B2 JP H0742188 B2 JPH0742188 B2 JP H0742188B2 JP 3232682 A JP3232682 A JP 3232682A JP 23268291 A JP23268291 A JP 23268291A JP H0742188 B2 JPH0742188 B2 JP H0742188B2
- Authority
- JP
- Japan
- Prior art keywords
- propellant
- combustion control
- solid
- combustion
- propellant composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B29/00—Compositions containing an inorganic oxygen-halogen salt, e.g. chlorate, perchlorate
- C06B29/22—Compositions containing an inorganic oxygen-halogen salt, e.g. chlorate, perchlorate the salt being ammonium perchlorate
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B45/00—Compositions or products which are defined by structure or arrangement of component of product
- C06B45/04—Compositions or products which are defined by structure or arrangement of component of product comprising solid particles dispersed in solid solution or matrix not used for explosives where the matrix consists essentially of nitrated carbohydrates or a low molecular organic explosive
- C06B45/06—Compositions or products which are defined by structure or arrangement of component of product comprising solid particles dispersed in solid solution or matrix not used for explosives where the matrix consists essentially of nitrated carbohydrates or a low molecular organic explosive the solid solution or matrix containing an organic component
- C06B45/10—Compositions or products which are defined by structure or arrangement of component of product comprising solid particles dispersed in solid solution or matrix not used for explosives where the matrix consists essentially of nitrated carbohydrates or a low molecular organic explosive the solid solution or matrix containing an organic component the organic component containing a resin
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Molecular Biology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は着火、消火を容易に制御
可能ならしめた固体推進薬組成物に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a solid propellant composition capable of easily controlling ignition and extinguishing.
【０００２】[0002]
【従来の技術】固体推進薬は、現在、民用、軍用の分野
において、広く使用されており、燃焼のコントロールが
容易にできることにより、種々の要求を満たしてきた。2. Description of the Related Art Solid propellants are widely used at present in the fields of civilian use and military use, and have been able to easily control combustion to meet various requirements.
【０００３】[0003]
【発明が解決しようとする課題】しかながら、固体推進
薬の燃焼のコントロールは、組成分を変更することによ
る燃焼速度の制御および形状因子の変更による時間当り
の推力の制御が容易であるが、一方では液体推進剤の如
く、着火、消火、再着火ができず、運用上制約を受ける
こととなり、問題であった。However, in controlling the combustion of solid propellant, it is easy to control the burning rate by changing the composition and controlling the thrust per time by changing the form factor. On the other hand, like liquid propellants, it was not possible to ignite, extinguish, or re-ignite, which resulted in operational restrictions, which was a problem.
【０００４】[0004]
【課題を解決するための手段】本発明者らは、上記の問
題点を考慮して鋭意研究した結果、圧力の上昇により、
燃焼が停止できる固体推進薬組成を見い出し、本発明を
完成するに至った。すなわち、本発明は、バインダー主
成分が、ポリプロピレングリコールからなる固体推進薬
に固形炭素が含まれることを特徴とする燃焼制御推進薬
である。Means for Solving the Problems As a result of earnest research in consideration of the above problems, the present inventors
The inventors have found a solid propellant composition capable of stopping combustion and completed the present invention. That is, the present invention is a combustion control propellant characterized in that solid carbon is contained in a solid propellant whose binder main component is polypropylene glycol.
【０００５】以下、本発明を説明する。本発明でバイン
ダーの主成分として用いられるポリプロピレングリコー
ルは、市販のものが使用でき、常温で液状（分子量とし
ては１０００〜３０００）、かつ加温により下記方法に
より硬化を行なわせるため末端がヒドロキシル基のもの
が好ましい。The present invention will be described below. The polypropylene glycol used as the main component of the binder in the present invention may be a commercially available product, which is liquid at room temperature (molecular weight is 1000 to 3000) and has a hydroxyl group at the end in order to be cured by the following method by heating. Those are preferable.
【０００６】本発明の燃焼制御推進薬は、酸化剤成分と
粉体である固形炭素からなる固体物と、ポリプロピレン
グリコールとイソシアナート基を有する硬化剤、必要に
応じて架橋剤、可塑剤等からなる液状物とを、混合した
のち、加温により硬化させることにより得られる。上記
に使用される硬化剤、架橋剤、可塑剤は、一般的なもの
が広く使用でき、なんら制約されるものではない。The combustion control propellant of the present invention comprises a solid substance composed of an oxidizer component and solid carbon which is powder, a curing agent having polypropylene glycol and an isocyanate group, and optionally a crosslinking agent, a plasticizer and the like. It is obtained by mixing the following liquid substance and then curing by heating. As the curing agent, the cross-linking agent, and the plasticizer used above, general ones can be widely used and are not limited.
【０００７】固形炭素としては、推進薬中に均一に分散
させることが必要であり、微粒であることが望ましく、
時に平均粒径が５０μ以下が好ましい。固定炭素の含有
量としては、固体推進薬中に１〜５重量％含まれること
が必要であり、１重量％以下では、目的とする効果がで
にくく、また５重量％以上では、液状分と混合しにくく
なり、好ましくない。As solid carbon, it is necessary to disperse it uniformly in the propellant, and it is desirable that it be fine particles.
At times, the average particle size is preferably 50 μm or less. The fixed carbon content needs to be contained in the solid propellant in an amount of 1 to 5% by weight. If it is 1% by weight or less, it is difficult to obtain the intended effect, and if it is 5% by weight or more, it becomes It becomes difficult to mix, which is not preferable.
【０００８】酸化剤としては、過塩素酸アンモニウムが
特に好ましいが、固体推進薬用として知られている酸化
剤が使用できる。上記の方法により得られた本発明の燃
焼制御推進薬組成物は、低圧では、燃焼するが、７０気
圧以上に圧力が上昇すると燃焼が停止するという特徴を
有するため、以下の如き利用が可能である。Ammonium perchlorate is particularly preferable as the oxidizing agent, but oxidizing agents known for solid propellants can be used. The combustion control propellant composition of the present invention obtained by the above method has a feature that it burns at a low pressure, but stops when the pressure rises to 70 atm or higher, and thus can be used as follows. is there.
【０００９】ロケットモーターは、ノズルの開孔比によ
り、内部圧力を調節できることから、常圧下、点火さ
せ、所定の圧力になるように開孔比を設定しておけば、
任意の時間の後、燃焼を止めることができる。その部分
から再点火を行えば、任意の燃焼パターンをとることが
できる。再点火方法としては、予め所定位置に点火具を
セットしておけばよい。Since the internal pressure of the rocket motor can be adjusted by the opening ratio of the nozzle, if the ignition ratio is set to a predetermined pressure by igniting under normal pressure,
After any time, the combustion can be stopped. If reignition is performed from that portion, an arbitrary combustion pattern can be taken. As a re-ignition method, an igniter may be set at a predetermined position in advance.
【００１０】[0010]
【実施例】以下、実施例により本発明を説明する。EXAMPLES The present invention will be described below with reference to examples.
【００１１】[0011]
【実施例１】ポリプロピレングリコール（分子量３００
０）１００重量部に対し、硬化剤としてイソホロンジイ
ソシアネートを１当量、架橋剤としてトリメチロールプ
ロパン２当量、可塑剤として、ジエチルフタレートを２
０重量部混合してなる液状物２０重量部に対し、平均粒
径２００μの過塩素酸アンモニウム８０重量部と、さら
に、以上の合計１００重量部に固形炭素（平均粒径約５
μ）３重量部（外割）加えて混合し、加温（６０℃、７
日間）することにより所定の硬化物を得た。Example 1 Polypropylene glycol (molecular weight 300
0) With respect to 100 parts by weight, 1 equivalent of isophorone diisocyanate as a curing agent, 2 equivalents of trimethylolpropane as a crosslinking agent, and 2 equivalents of diethyl phthalate as a plasticizer.
80 parts by weight of ammonium perchlorate having an average particle size of 200 μ is added to 20 parts by weight of a liquid material obtained by mixing 0 parts by weight, and further 100 parts by weight of the above solid carbon (average particle size of about 5 parts).
μ) 3 parts by weight (outer ratio) are added and mixed, and heated (60 ° C., 7
Then, a predetermined cured product was obtained.
【００１２】本硬化物（固体推進薬）を用い以下の方法
により、燃焼状態を調べた。固体推進薬を外径７ｍｍ
φ、長さ１０ｃｍの円筒に切り出し、円筒状の側面（円
周面）を約２ｍｍ厚さの樹脂層（燃焼制御層）を形成
し、試料を作成した。このような試料は一般名として推
進薬ストランドと呼ばれる。ストランド推進薬の上部よ
り約１ｃｍの所に点火用のヒューズ線を通し、また上部
から３ｃｍと８ｃｍの箇所にヒューズ線を通した。上部
より約１ｃｍの所の点火用ヒューズ線によりストランド
推進薬を着火させ、下方に向かって燃焼させ、下部２本
（上部より３ｃｍと８ｃｍ）のヒューズ線が切断した時
間差で、ヒューズ線間（ここでは５ｃｍ）を除した値と
して、燃焼速度とする。この測定を加圧下で行うにおい
て、燃焼容器とストランド推進薬燃焼中に一定圧に保つ
ために十分な容量をもつ蓄圧器とが連結されたストラン
ド燃焼器を用い、燃焼容器中にストランド推進薬をセッ
トし、所定圧に窒素ガスで加圧したのち着火すればよ
い。The combustion state of the cured product (solid propellant) was examined by the following method. External diameter of solid propellant 7 mm
A sample having a diameter of 10 cm was cut out and a cylindrical side surface (circumferential surface) was formed with a resin layer (combustion control layer) having a thickness of about 2 mm to prepare a sample. Such samples are commonly referred to as propellant strands. A fuse wire for ignition was passed about 1 cm from the upper part of the strand propellant, and a fuse wire was passed 3 cm and 8 cm from the upper part. Strand propellant was ignited by the fuse wire for ignition about 1 cm from the upper part, burned downward, and the time difference between the fuse wires of the lower two (3 cm and 8 cm from the upper part) was cut. Then, the combustion speed is defined as a value obtained by dividing 5 cm). When performing this measurement under pressure, use a strand combustor in which a combustion container and a pressure accumulator having a sufficient capacity to maintain a constant pressure during combustion of the strand propellant are connected, and It may be set, pressurized with nitrogen gas to a predetermined pressure, and then ignited.
【００１３】この方法により調べた結果、以下のことが
わかった。この組成は、６０気圧以下では燃焼が継続
し、７０気圧付近以上では、着火後火が立消えることが
わかった。火の立消えたものは、着火位置から約５ｃｍ
付近まで燃焼していた。As a result of examination by this method, the following was found. It was found that with this composition, combustion continued at 60 atmospheric pressure or less, and the fire extinguished after ignition at around 70 atmospheric pressure or more. About 5 cm from the ignition position for extinguished fire
It was burning to the vicinity.
【００１４】[0014]
【比較例１】上記組成から、固形炭素を除いたものは、
７０気圧以上においても定常的に燃焼が継続することが
認められた。Comparative Example 1 The above composition excluding solid carbon is
It was confirmed that combustion continued steadily even at 70 atmospheres or higher.
【００１５】[0015]
【発明の効果】以上、説明したように、本発明は、圧力
の上昇により、燃焼を停止および再着火できる固体推進
薬を提供することにより、ロケットモーターの運用範囲
の拡大、およびガスジェネレーターとして利用など、大
きな利点を有する。As described above, the present invention provides a solid propellant capable of stopping and reigniting combustion by increasing the pressure, thereby expanding the operating range of a rocket motor and utilizing it as a gas generator. Etc. have great advantages.
Claims (3)
リコールからなる固体推進薬に固形炭素が含まれること
を特徴とする燃焼制御推進薬組成物。1. A combustion control propellant composition, characterized in that solid carbon is contained in a solid propellant whose binder main component is polypropylene glycol.
％含まれることを特徴とする請求項１記載の燃焼制御推
進薬組成物。2. The combustion control propellant composition according to claim 1, wherein the solid propellant contains 1 to 5% by weight of solid carbon.
ムであることを特徴とする請求項１記載の燃焼制御推進
薬組成物。3. The combustion control propellant composition according to claim 1, wherein the propellant main oxidizing agent is ammonium perchlorate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3232682A JPH0742188B2 (en) | 1991-09-12 | 1991-09-12 | Combustion control propellant composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3232682A JPH0742188B2 (en) | 1991-09-12 | 1991-09-12 | Combustion control propellant composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0570275A JPH0570275A (en) | 1993-03-23 |
| JPH0742188B2 true JPH0742188B2 (en) | 1995-05-10 |
Family
ID=16943143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3232682A Expired - Lifetime JPH0742188B2 (en) | 1991-09-12 | 1991-09-12 | Combustion control propellant composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0742188B2 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3111903B2 (en) | 2011-06-10 | 2022-01-12 | The Procter & Gamble Company | Absorbent structure for absorbent articles |
| KR101508630B1 (en) * | 2013-05-14 | 2015-04-07 | 국방과학연구소 | Smokeless Propellant composition containing Bismuth-based compound and method of preparing the same |
| US9987176B2 (en) | 2013-08-27 | 2018-06-05 | The Procter & Gamble Company | Absorbent articles with channels |
| US11207220B2 (en) | 2013-09-16 | 2021-12-28 | The Procter & Gamble Company | Absorbent articles with channels and signals |
| EP3351225B1 (en) | 2013-09-19 | 2021-12-29 | The Procter & Gamble Company | Absorbent cores having material free areas |
| US9927217B1 (en) | 2014-09-05 | 2018-03-27 | Valley Tech Systems, Inc. | Attitude control system |
| US10598128B1 (en) | 2014-09-05 | 2020-03-24 | Valley Tech Systems, Inc. | Attitude control system |
| US11143143B1 (en) | 2018-05-11 | 2021-10-12 | Valley Tech Systems, Inc. | Extinguishable divert system |
-
1991
- 1991-09-12 JP JP3232682A patent/JPH0742188B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0570275A (en) | 1993-03-23 |
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