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BALL SKIN COMPOSITION FOR FIRE WORK AND BALL SKIN FOR THE FIRE WORK
BALL SKIN COMPOSITION FOR FIRE WORK AND BALL SKIN FOR THE FIRE WORK
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机译：用于消防工作的球皮组合物和用于消防工作的球皮
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摘要
PURPOSE: To easily decompose an unburnt part in a natural state even if the part is dropped on the ground or the river surface after launching, and to reduce the fear of contaminating the environment. ;CONSTITUTION: Ball skin composition for fire work contains a mixture of a microbially degradable and water swelling polymer derived from a plant and a microbially degradable and water swelling polymer derived from an animal as a main ingredient. Particularly, the mixture of a craft pulp as the polymer derived from the plant and chitin or chitosan as the polymer derived from the animal is preferable. Further, a microbially degradable water soluble polymer such as polyvinyl alcohol or starch may be added. The skin is formed to couple a plurality of dividers 12, 13 to have a containing space 23 in the inside, and contains a reagent for fire work in the space 23.;COPYRIGHT: (C)1996,JPO
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