SOUND-ABSORBING MATERIAL, THE SOUND-ABSORBING MATS, THE METHOD OF MANUFACTURE OF THE SOUND-ABSORBING MATERIAL, APPLICATION OF THE STRAW IN THE CAPACITY OF THE SOUND-ABSORBING MATERIAL Russian patent published in 2007 - IPC C08L95/00 C08L97/02 B60R13/08 

FIELD: agro-industrial sector; motor car industry; methods of production of the sound absorbing material, mats, etc.

SUBSTANCE: the invention is pertaining to the sound-absorbing material, especially for manufacture of the sound absorbing mats for the cars, which contain at least one binding substance containing the bitumen and, at least, one filler. At that the filler contains the straw, which, at least, partially is transformed into the fiber mass. At that the straw thus transformed into the fiber mass is formed out of the fibers, which have lost their natural connection in the stalks. Besides, the present invention is pertaining to the sound absorbing mats for the cars produced out of the sound-absorbing material and to the method of manufacture of the sound-absorbing material and application of the straw minced and transformed into the fiber mass and used in the capacity of the sound-absorbing material. The sound-absorbing material produced according to the invention allows to manufacture the power-saving, harmless, lightweight sound absorbing mats, which simultaneously ensure the high sound insulation.

EFFECT: the invention ensures production of the sound-absorbing material allows to manufacture the power-saving, harmless, lightweight sound absorbing mats ensuring the high sound insulation.

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