A polystyrene composition, its preparation and use

By adding self-cleaning agents, hydrophobic agents, and lubricants to polystyrene compositions, the problems of brittleness and insufficient antifouling properties of polystyrene materials are solved, achieving efficient self-cleaning and hydrophobic effects, and enhancing the material's impact toughness and antifouling ability.

CN116218093BActive Publication Date: 2026-04-07TIANJIN KINGFA NEW MATERIAL
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Patent Information

Application Number
CN202211691134.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-28
Publication Date
2026-04-07
Estimated Expiration
2042-12-28

AI Technical Summary

Technical Problem

Polystyrene is brittle and has low impact strength. Existing self-cleaning materials have insufficient mechanical properties and dimensional stability, making it difficult to meet the needs of certain scenarios with high mechanical performance and dimensional requirements. At the same time, the materials have insufficient anti-fouling properties.

Method used

Adding self-cleaning agents, hydrophobic agents, hydrophobic synergists, and lubricants to polystyrene compositions can improve their self-cleaning properties and impact toughness through synergistic effects.

Benefits of technology

This invention achieves excellent self-cleaning and hydrophobic properties in polystyrene compositions, provides good waterproof and stain-resistant properties, maintains a good appearance over a long period of time, and enhances the mechanical properties of the material.

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Abstract

The application relates to the technical field of modified plastics, and particularly discloses a polystyrene composition, a preparation method and application thereof. The polystyrene composition comprises the following components in parts by weight: polystyrene 60-80 parts, a toughening agent 10-25 parts, a self-cleaning agent 2-30 parts, a hydrophobic agent 0.1-0.5 parts, a hydrophobic synergist 2-10 parts and a lubricant 0.1-1 part; the self-cleaning agent is polyethylene; and the hydrophobic synergist is a two-dimensional sheet-shaped inorganic material. The four, namely the self-cleaning agent, the hydrophobic agent with the function of reducing the surface energy of the material, the hydrophobic synergist and the lubricant, are mutually synergistic, so that the contact angle of the polystyrene composition is increased, the polystyrene composition has excellent self-cleaning performance and hydrophobic performance, and oil stains are difficult to remain on the surface. In actual application, the polystyrene composition has good waterproof and dirt-proof performance, and can maintain a good appearance for a long time in use.
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