Process for producing coating material for improving capability of PVC sheet material
The invention relates to a method for preparing a coating material for improving surface hydrophilicity and antistatic performance of a PVC sheet material. The proposal of the method comprises the following steps: adding ethyl orthosilicate, anhydrous ethyl alcohol, coupling agent and water into a c...
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| creator | YUAN LING CAI AIYUN ZHU AIPING |
| description | The invention relates to a method for preparing a coating material for improving surface hydrophilicity and antistatic performance of a PVC sheet material. The proposal of the method comprises the following steps: adding ethyl orthosilicate, anhydrous ethyl alcohol, coupling agent and water into a container and mixing the mixture evenly, dripping concentrated nitric acid with mass fraction of 65 percent, adjusting pH value to between 2 and 4, magnetically stirring the mixture after being sealed, and sealing the mixture again and layering the mixture to obtain organic modified nano SiO2 ethanol dispersoid solution; and adding polymethyl methacrylate and tetrahydro furan or ethyl acetate into another container, stirring the mixture to dissolve the polymethyl methacrylate, and mixing the two solutions evenly to obtain the polymethyl methacrylate/SiO2 composite nano colloidal solution. The method overcomes the defect that surface free energy of PVC coated with PVDC latex has larger difference, and the coating has |
| format | Patent |
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The proposal of the method comprises the following steps: adding ethyl orthosilicate, anhydrous ethyl alcohol, coupling agent and water into a container and mixing the mixture evenly, dripping concentrated nitric acid with mass fraction of 65 percent, adjusting pH value to between 2 and 4, magnetically stirring the mixture after being sealed, and sealing the mixture again and layering the mixture to obtain organic modified nano SiO2 ethanol dispersoid solution; and adding polymethyl methacrylate and tetrahydro furan or ethyl acetate into another container, stirring the mixture to dissolve the polymethyl methacrylate, and mixing the two solutions evenly to obtain the polymethyl methacrylate/SiO2 composite nano colloidal solution. 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| language | chi ; eng |
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| subjects | ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CORRECTING FLUIDS DYES FILLING PASTES GENERAL PROCESSES OF COMPOUNDING INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS WORKING-UP |
| title | Process for producing coating material for improving capability of PVC sheet material |
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