Plastic eraser, plastic eraser composite body, and method for producing thereof

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United States of America Patent

PATENT NO 9079450
APP PUB NO 20140082885A1
SERIAL NO

14007209

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Abstract

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The invention provides a plastic eraser comprising a vinyl chloride resin as a base resin and a combination of 4,5-epoxy-1,2-cyclohexanedicarboxylic acid bis(2-ethylhexyl) and diethylene glycol dibenzoate as plasticizers, wherein the plastic eraser comprises the base resin in an amount of 25-60% by weight, and the combination of plasticizers in an amount of 30-60% by weight, and wherein the proportion of the diethylene glycol dibenzoate in the combination of plasticizers is 5-60% by weight, and wherein the plastic eraser has a hardness in the range of 55-75, and a gel hardness in the range of 3.0-6.0 kgf.

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Patent Owner(s)

Patent OwnerAddress
SAKURA COLOR PRODUCTS CORPORATION10-17 NAKAMICHI 1-CHOME HIGASHINARI-KU OSAKA-SHI OSAKA 537-0025

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tsujio, Shinji Osaka, JP 8 82

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