Ca stearate

Molex no s 2 3 are physical mixts of AN 52—84, K perchlorate 0—20, DNT oil 7—12, baked cork 1—10, A1 powd 5—7 Ca carbonate 1%. They exhibited satisfactory sensitivity to impact, friction, flame initiation, and had excellent stability. Philips (Ref 4) reported on tests of Molex B and BB , manufd by the National Explosives Co. They are described as physical mixts of AN 80.77—85.06, flake A1 6.02—6.10, DNT oil 4.32—5.84, activated cork 2.55—4.47, Ca stearate 1.10—1.99 and Ca carbonate 0.83-0.95%. They were shown to be stable, to have fairly high brisance, but to be sufficiently sensitive to expl in the rifle bullet impact test. Byers (Refs 1 3) describes blasting expls similar in compn... 

Haslam et al. [32] reported the determination of Al in polyolefins by AAS. Typical AAS tests on rubber compounds involve several steps. The sample is combusted, and the resulting ash is dissolved in distilled de-ionised water. The solution is then used for AAS [126]. AAS or EDS can also be used for element analysis of filler particles. In order to determine the uniformity of tin compounds in polychloroprene after milling and pressing, Hornsby et al. [127] have ashed various pieces from one composition. After fusion of the residue with sodium peroxide and dissolution in HC1, the Sn content was determined by means of AAS. Typical industrial AAS measurements concern the determination of Ca in Ca stearate, Zn in Zn stearate, Ca- and Zn stearate in PE, Ca and Ti in PE film or Al and V in rubbers. 

XRD can be used for studies of polymorphic transformations in bloom formation. In combination with DTA, XRD has been used to study polymorphic transformations of Ca stearate and Ca stearate monohydrate [338]. Full pattern refinement has been used for quantitative analysis of mixtures of crystalline... 

Explosifs NR, Explosifs du type NR or Explosifs nitrates resistant 6 leau (Nitrate Explosives Resistant to Water). In order to render some AN mining expls resistant to water and to prevent caking of AN particles, Medard (Ref 1) and LeRoux (Ref 2), suggested coating of expl mixtures with small amts (0.5-1.0%) of Ca stearate. The use of this substance in expls was first proposed in 1896 by G. 

Roth. of Germany and later patented by duPont Co (USP 2048050 of 1934). The Commission des Substances Explosives (CSE) studied not only the use of stearate (as waterproofing agent), but also the abietate, naphthenate, resinate, alignite, etc but came to the conclusion that Ca stearate gave the best results. It was found, however, inefficient for aluminized expls (Ref 1)... 

Expl compns having high safety characteristics in the presence of firedamp and coal-dust, were provided by mixing 6—12% sensitizer (such as NG with NGc), 87—89% ion-exchange mtxt of an oxidizer (such as Na or K nitrate) with Amm chloride, up to 0,5% waterproofing agent (such.as Ca stearate) and ca 2.5% other additives. E.g 70/30-NG/NGc mixt 9.5,... 

Suitable coatings for Al powder are gilsonite, paraffin, Ca stearate, stearic acid, double-base propint, Armeen T polyi so butylene. 

CA 4Q,5568(1946)[Blasting caps are made less sensitive to shock frictional impact by blending with the primary chge a small quant(0.5 -3%) of Ca stearate in finely divided condition]... 

Ca stearate 0-0.5% discharge head AN (contg 0.05% acid magenta) 65.0, Ca(OOCH)2 34.9 Ca stearate 0.1%, packed in a tube in the center of which is imbedded a fuse heating device- GuN 60.0, K2S2Ob 31.5, Cl C 8.0 petroleum jelly 0.5%, wrapped in fireproof manila paper and... 

Some expl compns, contg C and examined at PicArsn included Illuminating Composition, Sr(N03)2 54, Mg 33, PVC 10, C 3 Ca stearate 1% Squib, NC, (lacquer) 51, KC103 44 C 555 Flare, Mg 44, NaCl04 35, Na202 4, phenolformaldehyde resin 15 graphite 255 ... 

H20-insol soap 2.8, and product of reaction betw oleic atid and aniline 1.2%. It is blended under water and the resulting slurry is centrifuged, passed thru endless screw press and then thru heated rolls. The resulting sheets are cut into strips, or passed thru press to form cords. The insol soap consists of Mg oleate 70, Caoleate 20 Ca stearate 10%... 

A)Single-base proplnt is prepd by gelatinizing 90 parts of NC with a small amt of 2 l-ether-alcohol, in presence of 10 parts of w insol metallic soap (which consists of Mg oleate 65, Al stearate 20 Sc Ca stearate 15%). The resulting gel is extruded by hydraulic pressure into cords and these are cut to desired lengths and dried B)Single-base proplnt is prepd by treating 92 parts of NC with 2 l-ether-alc in presence of 4 parts of w-insol coap (Mg oleate 60, Ca stearate 20 8c Ba palmitate 20%) and 4 parts of product of reaction betw oleic acid, urea DPhA. Further operations are the same as in A)... 

A)Double-base, solventless proplnt is prepd by blending, under water a mixt of NC 65, DEGDN 28, w-insol soap (Ca oleate 70, Mg oleate 18 St Ca stearate 12%) 5 and a product obtd by treating oleic (or stearic) acid with alpha-naphthylamine Sc urea 2%. The resulting slurry is centrifuged (to remove all but 30% of w)... 

Exp osifs nitrates resistant a Veau. In these, expls, crysts of AN were coated with Q.5 to 1% of Ca stearate. Good results were obtained with expls Nn°0 Nn°.lc, but not with aluminized expls Nn° 30 Nn°31 (Ref 31a, p217)... 

Nitroglycol NC - Nitrocellulose MNT - Mononitrotoluene TNT - Trinitrotoluene Carbonaceous Materials, magenta), DAmmPh(Diammonium phosphate), NaCMC (Sodium carboxymethyl cellulose), Ca sulfate, Ca stearate, Gelatin) for unsheathed cartridges and in brackets for sheathed Charge limit in ounces - no ignition of gas by a... 

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