DOP (Dioctyl Phthalate) Plasticizer High-Performance Flexibility

It is a colorless and high-boiling liquid. DOP is highly stable to light and soluble in most solvents.

Applications

DOP is the most commonly used PVC plasticizer. It also has a good compatibility with cellulose nitrate.

Polyvinyl chloride (PVC) products: It is the most commonly used plasticizer in PVC processing and is widely used in the production of various soft PVC products, such as PVC film, artificial leather, wire and cable sheathing, plastic door and window seals, hoses, etc.

In PVC film, it can make the film soft and transparent, suitable for agricultural film, packaging film, etc.; in wires and cables, it can improve the flexibility and low temperature resistance of the insulation layer, ensuring the safe use of wires and cables under different environmental conditions.

Rubber products: It can be used for the processing of natural rubber and synthetic rubber, can improve the processing performance of rubber, reduce its hardness, improve its flexibility, cold resistance and aging resistance, and make rubber products more suitable for various application scenarios, such as rubber seals, hoses, tires, etc.

Other fields: It can also be used in coatings, inks, adhesives and other fields. In coatings, it can be used as a plasticizer to improve the film-forming property, flexibility and adhesion of coatings; in inks, it can improve the fluidity and transferability of inks, making printed products have better gloss and flexibility; in adhesives, it helps to improve the adhesion and flexibility of adhesives to different materials.

Characteristics

Good plasticizing effect: DOP molecules can be inserted between polymer molecular chains, weaken the forces between molecular chains, increase the activity of polymer molecular chains, and thus significantly improve the flexibility, softness and elongation of plastic products, making them easier to process and shape.

Good compatibility with a variety of polymers: It is well compatible with a variety of polymers such as polyvinyl chloride (PVC), vinyl chloride-vinyl acetate copolymer, polystyrene, natural rubber, synthetic rubber, etc., and is evenly dispersed in the polymer matrix to form a stable system without stratification or precipitation, thereby effectively playing a plasticizing role.

Low volatility: At room temperature and general processing temperature, DOP has low volatility and can be retained in plastic products for a long time, continuously playing a plasticizing effect, reducing the performance changes of plastic products and environmental pollution caused by the volatilization of plasticizers.

Good water and oil resistance: DOP has a certain hydrophobicity, which enables plastic products to maintain good stability when in contact with water or oil, and is not easily swollen or dissolved by water or oil, thereby maintaining its physical properties and appearance quality.

Precautions

Storage and transportation: It should be stored in a cool, ventilated and dry warehouse, away from fire and heat sources, and prevent direct sunlight. The storage temperature should be controlled between 5℃ - 35℃ to avoid volatilization or deterioration of DOP due to excessively high temperature. Too low temperature may cause it to solidify and affect its use. During transportation, ensure that the packaging is intact to prevent leakage and avoid mixing with oxidants, acids, alkalis and other substances to avoid chemical reactions.

Safety of use: DOP is irritating to the skin and eyes to a certain extent, and direct contact should be avoided during use. Operators should wear protective gloves, goggles and other protective equipment. If it accidentally comes into contact with the skin, it should be rinsed immediately with plenty of clean water; if it splashes into the eyes, it should be rinsed immediately with clean water and seek medical attention.

In addition, DOP has a certain degree of toxicity. Although the toxicity is low under general use conditions, long-term contact or ingestion may cause potential harm to the human body, such as affecting the endocrine system and reproductive system. Therefore, it is necessary to pay attention to protection during production and use to avoid inhaling its vapor or dust.

Environmental protection requirements: Since DOP may cause certain pollution to the environment, in some countries and regions, there are strict restrictions on its use in different products. For example, in the fields of plastic products and toys that come into contact with food, there are strict limit standards for the content of DOP to ensure human health and environmental safety.

Therefore, when using DOP, it is necessary to reasonably control its use according to the specific application field and relevant regulatory requirements, and choose products that meet environmental protection requirements.

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