PRETREATMENT OF POLYMER SURFACES PRIOR TO PAINT COATING

The surface of a product molded of polyolefin is washed with a fluorine-containing organic solvent such as CCl2F-CCl2F or CCl2F-CClF2 and, thereafter, the product surface is treated with a plasma. Since the product surface is washed with an organic solvent containing fluorine, wastewater and process...

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Bibliographic Details
Main Authors MASARU ABE, HIROO EBISAWA, KATSUMI SEKIGUCHI, HIROYOSHI NOZAKI, HIROFUMI HARA
Format Patent
LanguageEnglish
Published 08.06.1988
Edition4
Subjects
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
CHEMISTRY
COMPOSITIONS BASED THEREON
GENERAL PROCESSES OF COMPOUNDING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
SPRAYING OR ATOMISING IN GENERAL
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
WORKING-UP
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Summary:The surface of a product molded of polyolefin is washed with a fluorine-containing organic solvent such as CCl2F-CCl2F or CCl2F-CClF2 and, thereafter, the product surface is treated with a plasma. Since the product surface is washed with an organic solvent containing fluorine, wastewater and process operation can be controlled with relative ease. A painted product pretreated by the process of the invention has a high peel strength and water resistance.
Bibliography:Application Number: GB19860007470