Multi Functional Crayon and Manufacturing Method Thereof

PURPOSE: A multi functional crayon is provided to be easily erased, to express various colors because of color changing due to sunlight or temperature change, and to different scents according to the contents of picture. CONSTITUTION: A multi functional crayon comprises: a step of mixing 20-60 weigh...

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Bibliographic Details
Main Author PARK, GIL SEO
Format Patent
LanguageEnglish
Korean
Published 07.06.2012
Subjects
ADHESIVES
BUREAU ACCESSORIES
CHEMICAL PAINT OR INK REMOVERS
CHEMISTRY
COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS
CORRECTING FLUIDS
DYES
FILLING PASTES
IMPLEMENTS FOR WRITING OR DRAWING
INKS
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
PASTES OR SOLIDS FOR COLOURING OR PRINTING
PERFORMING OPERATIONS
POLISHES
TRANSPORTING
USE OF MATERIALS THEREFOR
WOODSTAINS
WRITING OR DRAWING IMPLEMENTS
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Summary:PURPOSE: A multi functional crayon is provided to be easily erased, to express various colors because of color changing due to sunlight or temperature change, and to different scents according to the contents of picture. CONSTITUTION: A multi functional crayon comprises: a step of mixing 20-60 weight% of soap base, 15-45 weight% of extender pigment, and 10-30 weight% of moisturizer; a step of heating the mixture to the temperature of 70-90 °C, and mixing and melting the mixture; a step of mixing 5-15 weight% of a photochromic or a thermochromic colorant into the mixture; a step of adding 0.1-2.0 weight% of a scentilizer into the mixture; and a step of drying the molded composition after injecting the composition into a mold.
Bibliography:Application Number: KR20100119913