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As a white pigment filler of high quality, has a variety of uses. It can be used in plastic profiles, colormasterbatch, paints, emulsions paints or powder paints for paper making, cosmetics, chemical fibers, and more. It can be used with both the water-based system, the solvent system, and the solvent free system. The different application and application systems have additional requirements in selecting organic coatings agents. Traditional TMP and peg are no longer sufficient to meet these requirements. They also have some negative effects, like the bubble problem. In order to achieve an acceptable treatment effect for the application, it is important to use different organic treating agents according to the different USES (applications) of titanium dioxide. In addition to the different USES for titanium dioxide, there are also differences in titanium dioxide application performance requirements.
Plastics – Requirements on titanium dioxide
1. Lubricants for high-viscosity dispersion/extrusion
As plastic products become stronger and cheaper, they add more color filler. However, as the resin proportion decreases and compatibility between components becomes more challenging, it can cause the surface to be rough and unattractive. Consider the colormasterbatch that is commonly used in plastics: it’s made by extrusion of titanium dioxide and granulation after being kneaded with high temperature organic resins such as polyethylene wax or high-pressure polyester. It is necessary to use the least amount of carrier resin possible in order to moisten maximum titanium dioxide. This will help to achieve a higher concentration of white masterbatch while avoiding low resin compatibility. In order to produce masterbatches, titanium dioxide must have excellent surface wetting and lubricating properties. If not, it is difficult to granulate or disperse.
2. Temperature/weather Resistance
Before processing or forming, the vast majority of plastics products, regardless of their type, processing method, and resin used, must be in high-temperature melt with titanium dioxide and additives. Processing temperatures for plastics are around 200 degrees, or higher. The decomposition of some components at this temperature will cause pigment migration, porosity and a serious impact on the physical strength and surface quality of plastic products. Each component of the formula should have excellent temperature resistance. In addition, the UV resistance of most plastic products, such as film and electrical appliances made from plastic, must be taken into consideration for those that will be used outdoors. In PVC products, lead is added as a stabilizer. This type of stabiliser is easily reacted with other active chemcial materials at high temperature and produces black substances. Lead stabilizers cannot react with organic coating agents on titanium dioxide surfaces.
3. Dry Powder Fluidity/Moisture Resistant
As more factories adopt continuous production lines in the plastic industry, raw materials related to these products (resins, fillers and pigments) are also metering continuously using transmission belts or vibratory leakage sieve equipment. Imagine that the flow rate of titanium dioxide dry is low. The powder will then get stuck in the belt of the transmission or block the screen hole. This can lead to titanium dioxide not being accurately measured and added smoothly.
( Tech Co., Ltd. ) is an Titanium oxide professional manufacturer with 12 years’ experience in chemical research and product development. Contact us to send an inquiry if you are interested in high-quality Titanium oxide.
Plastics – Requirements on titanium dioxide
1. Lubricants for high-viscosity dispersion/extrusion
As plastic products become stronger and cheaper, they add more color filler. However, as the resin proportion decreases and compatibility between components becomes more challenging, it can cause the surface to be rough and unattractive. Consider the colormasterbatch that is commonly used in plastics: it’s made by extrusion of titanium dioxide and granulation after being kneaded with high temperature organic resins such as polyethylene wax or high-pressure polyester. It is necessary to use the least amount of carrier resin possible in order to moisten maximum titanium dioxide. This will help to achieve a higher concentration of white masterbatch while avoiding low resin compatibility. In order to produce masterbatches, titanium dioxide must have excellent surface wetting and lubricating properties. If not, it is difficult to granulate or disperse.
2. Temperature/weather Resistance
Before processing or forming, the vast majority of plastics products, regardless of their type, processing method, and resin used, must be in high-temperature melt with titanium dioxide and additives. Processing temperatures for plastics are around 200 degrees, or higher. The decomposition of some components at this temperature will cause pigment migration, porosity and a serious impact on the physical strength and surface quality of plastic products. Each component of the formula should have excellent temperature resistance. In addition, the UV resistance of most plastic products, such as film and electrical appliances made from plastic, must be taken into consideration for those that will be used outdoors. In PVC products, lead is added as a stabilizer. This type of stabiliser is easily reacted with other active chemcial materials at high temperature and produces black substances. Lead stabilizers cannot react with organic coating agents on titanium dioxide surfaces.
3. Dry Powder Fluidity/Moisture Resistant
As more factories adopt continuous production lines in the plastic industry, raw materials related to these products (resins, fillers and pigments) are also metering continuously using transmission belts or vibratory leakage sieve equipment. Imagine that the flow rate of titanium dioxide dry is low. The powder will then get stuck in the belt of the transmission or block the screen hole. This can lead to titanium dioxide not being accurately measured and added smoothly.
( Tech Co., Ltd. ) is an Titanium oxide professional manufacturer with 12 years’ experience in chemical research and product development. Contact us to send an inquiry if you are interested in high-quality Titanium oxide.