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Injection molding surface chemical modification
by：CSSSLD
2021-01-23
Plastic surface chemical modification is said in the injection molding processing products adhered to the surface of a layer of other material, in order to improve the performance of the method.
Plastic surface layer belongs to a direct modification methods, and can be used to improve the hardness, wear resistance and electric conductivity of plastic, flame retardant, barrier property, corrosion and aging proof, and so on.
There are various methods for preparation of plastic surface layer, common electroplating, ion plating, vacuum evaporation, vacuum plating, vapor deposition, brush, artificial spraying, ion coating, high temperature coating, etc.
plastic surface sputtering treatment modification is high frequency voltage applied between the two levels of Yin and Yang, Yin and Yang are made under vacuum conditions in glow discharge between two levels, the results between the two levels of inert gas or can reactant gas ionization, thus forming a cation, the cation cathode attract great kinetic energy, and quickly rushed to the cathode, onslaught on the cathode of injection molding products processing, the onslaught of repeatedly, make the plastic processing products on the cathode surface is mechanical low coarsening processing, so as to improve the adhesion performance.
plastic vacuum evaporate plating chemical modification
plastic under high vacuum environment, will melt under certain pressure and temperature evaporation plating materials, content on the plastic surface evaporation condenses into a membrane method called plastic vacuum evaporation. Vacuum evaporation advantage can be plated with a range of plastic, plastic are conductive to the vacuum evaporation. Evaporation in vacuum evaporation, in order to ensure the material to stay plating surface, should reduce the obstacles between evaporation source and evaporation, and should minimize the existence of gas pressure should be as small as possible. Compared with plating, vacuum evaporation is the advantages of no environmental pollution, can choose very extensive coating materials and coating materials, coating can be transparent, disadvantages for coating fastness is not high, the wear resistance coating material is bad, often need to add wear-resisting layer.
vacuum plating process steps 1. The purpose of pretreatment, the pretreatment is to remove the oil blur on the surface of injection molding products processing, methods for solvent cleaning method. For PE and PP materials, in addition to cleaning, also can undertake flame treatment or chemical oxidation method. 2. Primer, general plastic can not add primer, but for some special plastic, such as foam plastics and plastic processing products containing plasticizers. In order to prevent the gas overflow, general need primer. 3. Vacuum coating, will have to deal with good plastic parts in indoor, plating will have cleaned the high purity aluminium wire hanging on the black wire heating electrode, put proper amount of desiccant, into a vacuum, heating.
plastic ion plating chemical modification
plastic surface ion plating is, in fact, electroplating and vacuum plating composite of the two methods. Its specific applied voltage of glow discharge, make an inert gas plasma state, with electron beam or resistance heating way then make metal evaporation, high-energy plasma ionization to form the metal materials of evaporation metal ions, and in the excited state, metal ions to the plastic products surface after losing electrons, back in the form a layer of coating on the surface of metal atoms and in plastic.
more wonderful to share: in April 2016, the article summary, click directly.
or copy the link: http://www. csssld。 cn//html/2016/Notice_0430/218。 HTML
nantong on plastic products factory's official website: http://www. csssld。 cn//
plastic surface sputtering treatment modification is high frequency voltage applied between the two levels of Yin and Yang, Yin and Yang are made under vacuum conditions in glow discharge between two levels, the results between the two levels of inert gas or can reactant gas ionization, thus forming a cation, the cation cathode attract great kinetic energy, and quickly rushed to the cathode, onslaught on the cathode of injection molding products processing, the onslaught of repeatedly, make the plastic processing products on the cathode surface is mechanical low coarsening processing, so as to improve the adhesion performance.
plastic vacuum evaporate plating chemical modification
plastic under high vacuum environment, will melt under certain pressure and temperature evaporation plating materials, content on the plastic surface evaporation condenses into a membrane method called plastic vacuum evaporation. Vacuum evaporation advantage can be plated with a range of plastic, plastic are conductive to the vacuum evaporation. Evaporation in vacuum evaporation, in order to ensure the material to stay plating surface, should reduce the obstacles between evaporation source and evaporation, and should minimize the existence of gas pressure should be as small as possible. Compared with plating, vacuum evaporation is the advantages of no environmental pollution, can choose very extensive coating materials and coating materials, coating can be transparent, disadvantages for coating fastness is not high, the wear resistance coating material is bad, often need to add wear-resisting layer.
vacuum plating process steps 1. The purpose of pretreatment, the pretreatment is to remove the oil blur on the surface of injection molding products processing, methods for solvent cleaning method. For PE and PP materials, in addition to cleaning, also can undertake flame treatment or chemical oxidation method. 2. Primer, general plastic can not add primer, but for some special plastic, such as foam plastics and plastic processing products containing plasticizers. In order to prevent the gas overflow, general need primer. 3. Vacuum coating, will have to deal with good plastic parts in indoor, plating will have cleaned the high purity aluminium wire hanging on the black wire heating electrode, put proper amount of desiccant, into a vacuum, heating.
plastic ion plating chemical modification
plastic surface ion plating is, in fact, electroplating and vacuum plating composite of the two methods. Its specific applied voltage of glow discharge, make an inert gas plasma state, with electron beam or resistance heating way then make metal evaporation, high-energy plasma ionization to form the metal materials of evaporation metal ions, and in the excited state, metal ions to the plastic products surface after losing electrons, back in the form a layer of coating on the surface of metal atoms and in plastic.
more wonderful to share: in April 2016, the article summary, click directly.
or copy the link: http://www. csssld。 cn//html/2016/Notice_0430/218。 HTML
nantong on plastic products factory's official website: http://www. csssld。 cn//
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