Dynamite nitrocotton—

Long fibre cotton 20-50 mm in length and 0.01-0.04 mm dia., which is the raw material for the textile industry. Waste from this cotton is utilized in the production of certain sorts of high viscosity nitrocellulose, e.g. dynamite nitrocotton. 

Cellulosic raw materials. The best raw material for manufacturing dynamite nitrocotton is unbleached or very slightly bleached long-fibre cotton. Usually cotton wastes from spinning mills are used. The raw material is purified as described earlier (p. 363). 

Dynamite nitrocotton is pulped within as short a period of time as possible, e.g. 2 hr, because excessive beating of the product reduces the viscosity of the nitrocellulose solutions. The pulping is followed by washing or by a short poaching in boilers, after which the purity is checked by means of the heat test. After stabilization, the nitrocotton is freed from sand and. other impurities. 

Properties of dynamite nitrocotton Lacquer-grade nitrocellulose Cdfulosic raw materials Nitration Stabilization Blaching... 

Dynamit-Collodiumwollen (engl. blasting soluble nitrocotton) Ester- und alkohollosliche Collodiumwollen, Celluloidwollen (Lackwollen)... 

Nobel developed gelatinous dynamite in 1875 by making a jelly from the dissolution of a collodion-type nitrocotton in NG, producing a more powerful explosive than the straight dynamite and one that proved to be safer. Later ammonium nitrate was also used in dynamite, which made it even safer and less expensive to produce. 

Collodion nitrocotton for manufact uring blasting gelatine and dynamite, also called dynamite cotton or dynamite collodion, is characterized by the very high viscosity of its solutions in organic solvents. It is produced by selecting a suitable cellulosic raw material, and performing the nitration at a low temperature, followed by a brief stabilization boil in a neutral or nearly neutral medium. The most important factor is the choice of suitable raw material. 

If you are smart you vwll buy only the gelatin dynamites. They are made up of up to 90% nitro and the rest is nitrocotton. These are the most powerful. These are also safer to store, as they become less sensitive with age and don t have to be turned. 

In simplistic terms, the types of dynamites are differentiated by the use (or lack) of the ingredient nitrocotton. Nitrocotton is a cellulose nitrate that, combined with nitroglycerin, creates a gelatinous product. Straight dynamite and extra dynamite do not contain nitrocotton and are often referred to as granular dynamites because of their grainy composition. 

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