TASTEN UND TASTATUR

A black key making of a resin composition comprising a cellulose derivative resin, silicon oxide and at least 0.3 part by weight of a carbon black based on 100 parts by weight of the cellulose derivative, the carbon black having a pH of 6 and below and a BET specific surface area of 260 m2/g and abo...

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Main Authors ONISHI, MASANARI, HIMEJI, HYOGO, JP, ISHIDA, MUNEO, TANAKA, MASAHIRO, IBO, HYOGO, JP, YAMASHITA, MITUO, HAMAMATSU, SHIZUOKA, JP
Format Patent
LanguageGerman
Published 23.07.1992
Subjects
ACOUSTICS
CHEMISTRY
COMPOSITIONS BASED THEREON
METALLURGY
MUSICAL INSTRUMENTS
ORGANIC MACROMOLECULAR COMPOUNDS
PHYSICS
PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICALINSTRUMENTS WITH ONE OR MORE KEYBOARD
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Summary:A black key making of a resin composition comprising a cellulose derivative resin, silicon oxide and at least 0.3 part by weight of a carbon black based on 100 parts by weight of the cellulose derivative, the carbon black having a pH of 6 and below and a BET specific surface area of 260 m2/g and above, a keyboard comprising white keys and above-described black keys and a musical instrument having the above-described keyboard are disclosed. The black key is excellent in productivity and processability and is hygroscopic and excellent in the touch to fingers during playing. The black key is preferably made by injection molding.
Bibliography:Application Number: DE19914142357