Organic titanium crosslinking agent is a widely used chemical additive in multiple industrial fields, mainly used to improve the performance of polymer materials. The following is a detailed introduction to organic titanium crosslinking agents:
definition
Organic titanium crosslinker is a type of compound obtained by reacting titanium ester compounds with organic alcohols, which can form crosslinking points between linear or micro branched polymer molecular chains, thereby transforming the polymer from a linear structure to a three-dimensional network structure.
Chemical properties and reactions
The main chemical properties of organic titanium crosslinking agents are reflected in their reactivity, which can react with functional groups such as hydroxyl and carboxyl groups in polymer molecular chains to form stable chemical bonds. This reaction is usually carried out at a certain temperature, pH value, and in the presence of a catalyst.
Preparation process
The preparation process of organic titanium crosslinking agent usually includes the following steps:
Raw material preparation：Select appropriate titanium ester compounds and organic alcohols as raw materials, and mix them in a certain proportion.
Reaction condition control：Conduct the reaction under certain temperature, pressure, and stirring conditions to ensure the smooth progress of the reaction.
Post reaction processing：Filter, wash, dry and other post-treatment steps are carried out on the reaction products to remove impurities and unreacted raw materials.
application area
Organic titanium crosslinkers have a wide range of applications in various fields, including:
petroleum industry：Used for the preparation of oilfield fracturing fluid, improving the high temperature resistance, shear resistance, and sand carrying capacity of the fracturing fluid, while reducing geological pollution. For example, TA-361 organic titanium crosslinking agent has been promoted and applied in major oil fields across the country.
rubber industry：Used for cross-linking and curing of rubber products to improve their strength, wear resistance, and aging resistance.
Paint industry：Improve the adhesion and water resistance of the coating, and enhance the overall performance of the coating.
Other fields：In industrial fields such as plastics, textiles, and papermaking, organic titanium crosslinking agents are also used.
Characteristics and precautions
characteristic：
High temperature resistance, shear resistance, and strong sand carrying capacity.
Thoroughly breaking the adhesive, high backflow rate, and reducing geological pollution.
Good water solubility, easy to use, stable performance, and long storage period.
matters needing attention：
When using, the appropriate type and amount of organic titanium crosslinking agent should be selected according to the specific application scenario and polymer type.
During use, safety precautions should be taken to avoid direct contact with the skin. In case of accidental contact, rinse immediately with plenty of water.
When storing, it should be placed in a cool, dry, and ventilated place, avoiding direct sunlight and high temperatures.
Typical physical properties
Taking TA-361 organic titanium crosslinking agent as an example, its appearance is a brownish yellow liquid with a density of about 1.20g/cm ³ (D20), a flash point opening of about 20 ℃, a pH value between 6-8, and a water solubility of ≥ 10:1.
summary
Organic titanium crosslinker is an important chemical additive with wide applications in industries such as petroleum, rubber, and coatings. By selecting the appropriate type and amount of organic titanium crosslinking agent, the performance of polymer materials can be effectively improved and the overall quality of products can be enhanced. During use, attention should be paid to safe operation and relevant storage and usage regulations should be followed.
