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As a white pigment filler of high quality, has a variety of uses. It can be used in plastic profile, colormasterbatch, paint, cosmetics, emulsion, powder, paper making and chemical fiber. The product can be used with both the water-based system, the solvent-based system, and the solventless 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 such as the problem of bubbles. Depending on the different USES for titanium dioxide, a variety of organic treating agents are needed to achieve a satisfactory effect in the application. 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. High viscosity extrusion/dispersion lubricant
As plastic products become stronger and cheaper, they add more color fillers. 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 plastic industry: it is usually 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 to moisten the most titanium dioxide possible in order to achieve a high-concentration white masterbatch. This will avoid low resin compatibility when applied. 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, or resin, 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 must have excellent temperature resistance. Secondly, the UV resistance of most plastic products, such as electrical appliances, film or plastic, used outdoors, must be taken into consideration. Normally, when processing PVC plastics, a lead stabiliser is added. This type of stabiliser is easily reacted with other active chemical substances 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 (such as fillers, resins, and pigments) are also metering continuously using transmission belts and vibration leakage Sieve equipment. Imagine that the flow rate of titanium dioxide powder dry isn’t good. 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. High viscosity extrusion/dispersion lubricant
As plastic products become stronger and cheaper, they add more color fillers. 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 plastic industry: it is usually 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 to moisten the most titanium dioxide possible in order to achieve a high-concentration white masterbatch. This will avoid low resin compatibility when applied. 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, or resin, 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 must have excellent temperature resistance. Secondly, the UV resistance of most plastic products, such as electrical appliances, film or plastic, used outdoors, must be taken into consideration. Normally, when processing PVC plastics, a lead stabiliser is added. This type of stabiliser is easily reacted with other active chemical substances 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 (such as fillers, resins, and pigments) are also metering continuously using transmission belts and vibration leakage Sieve equipment. Imagine that the flow rate of titanium dioxide powder dry isn’t good. 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.