1、有机硅改性水性聚氨酯涂层的制备及其防污性能

摘要:以甲苯二异氰酸酯(TDI) 、聚己二酸-1,4- 丁二醇酯(PCL2000) 和羟基硅油(PDMS)为主要原料,合成了一系列有机硅改性的水性聚氨酯(PU)涂层。 采用红外光谱、粒径分析、差示扫描量热、热重分析、接触角分析、偏光显微分析等表征了材料的结构与性能。 将涂覆了改性PU涂层的面板浸泡在河水中,对比了不同质量分数PDMS 的PU涂层的实际防污效果。...

2、UV

In order to solve the shortcomings of the above methods, this experiment introduced silicone highly active modified waterborne polyurethane acrylate through UV grafting copolymerization by modifying inorganic photoinitiator on the surface of silicone.

3、Organosilicon

Herein, we prepared a double crosslinked WPUs with excellent performance using isophorone diisocyanate and polytetrahydrofuran as raw materials, and trihydroxy polyoxypropylene ether, pentaerythritol, and dihydroxy silicone oil as functional monomers.

Preparation of Waterborne Silicone

In this study, we prepared waterborne silicone-modified polyurethane (PUSX) by introducing silicone groups into the polyurethane backbone and tried to make it achieve fiberization through electrospinning.

斯洛柯官网

As an additive type resin, it has advantages such as better compatibility and performance durability compared to conventional organosilicon additives; As the main resin, it also has special physical properties.

Organic silicon modified polyurethane resin for synthetic leather and

The invention designs an organic silicon modified polyurethane resin for synthetic leather and a preparation method thereof, relating to the processing field of synthetic leather.

Silicon Modified Polyurethane Resin

1089R has high silicon content and requires Dolphin 1335 resin (PET High adhesion waterborne PUD) for primer. After improving the adhesion, then scraped or sprayed 1089R.

有机硅改性聚氨酯树脂,silicone

In this paper,we introduce the varieties of organic silicone resin and the modified organic silicone resin and their properties and applications are also briefly introduced.

羟基硅油增强反应性聚氨酯涂层的制备及其性能

The tensile strength and elongation at break of reactive polyurethane (Si-PU) coatings modified by silicone were effectively enhanced, with a maximum increase of 51.9% in tensile strength and 99.3% in elongation at break.

From Molecular Design to Scenario Adaptation: Cutting

To overcome the shortcomings of traditional polyurethane, such as poor weather resistance and susceptibility to hydrolysis, this study systematically explores the preparation techniques of organic silicon-modified polyurethane and its application in intelligent sports fields.

In modern materials science, the development and application of synthetic materials have always been a driving force behind technological advancement. As a high-performance polymer material, HENSIC organic silicon-modified polyurethane resin boasts broad application prospects in fields such as construction, automotive, aviation, and electronics. This article provides an in-depth exploration of the characteristics, preparation methods, and practical performance of HENSIC organic silicon-modified polyurethane resin.

I. Introduction to HENSIC Organic Silicon-Modified Polyurethane Resin

HENSIC is a novel organic silicon-modified polyurethane resin that combines the advantages of both organic silicon and polyurethane polymers. It exhibits excellent mechanical properties, temperature resistance, chemical corrosion resistance, and electrical insulation. Compared to traditional polyurethane resins, HENSIC demonstrates superior heat resistance and oil resistance while maintaining good flexibility and processability.

II. Characteristics of HENSIC Organic Silicon-Modified Polyurethane Resin

1. Excellent Mechanical Properties HENSIC organic silicon-modified polyurethane resin possesses high tensile strength and tear resistance, withstanding significant external forces without fracturing. Its hardness and rigidity are also notable, making it suitable for applications requiring high strength and stiffness.

2. Superior Temperature Resistance HENSIC maintains stable physical properties at elevated temperatures, with a heat deflection temperature (HDT) and thermal stability far exceeding those of conventional polyurethane resins. This enables its use in extreme environments, such as exposure to high-temperature steam.

3. Strong Chemical Resistance HENSIC resists a wide range of chemicals, including strong acids, alkalis, and salt solutions. These properties have led to its widespread adoption in industries like chemical engineering and petroleum.

4. Outstanding Electrical Insulation HENSIC exhibits优异的 electrical insulation performance, with a dielectric constant and volume resistivity surpassing those of standard polyurethane resins. This makes it highly valuable in electronic and electrical applications.

5. Fine Processing Performance HENSIC is easy to process and mold, compatible with extrusion, injection, blow molding, and other techniques. Additionally, its low shrinkage rate during processing ensures precise dimensional accuracy in finished products.

III. Preparation Methods for HENSIC Organic Silicon-Modified Polyurethane Resin

The preparation of HENSIC organic silicon-modified polyurethane resin primarily involves two methods: polymerization reaction and blending modification.

1. Polymerization Reaction Method By controlling reaction conditions such as temperature, catalyst type and dosage, initiator type and concentration, resins with varying properties can be synthesized. This method allows precise control over molecular structure and performance, suitable for large-scale industrial production.

2. Blending Modification Method Blending HENSIC with other high-performance polymers (e.g., polyetheretherketone [PEEK] or polyimide [PI]) enhances the composite’s overall properties, including mechanical strength and temperature resistance.

IV. Application Fields of HENSIC Organic Silicon-Modified Polyurethane Resin

1. Construction Materials Due to its exceptional temperature and chemical resistance, HENSIC is widely used in roofing, flooring, and exterior wall coatings, effectively preventing deformation and aging caused by temperature fluctuations.

2. Automotive Industry HENSIC is employed in automotive interior/exterior components, engine parts, and transmission system components. These applications require not only robust mechanical properties but also resistance to temperature and corrosion in complex environments.

3. Aerospace Sector The aerospace industry demands materials with extreme reliability. HENSIC’s superior heat resistance and chemical stability make it ideal for aircraft fuselages, engine components, and spacecraft shells, ensuring safety in harsh conditions.

4. Electronics HENSIC’s excellent electrical insulation properties are critical in electronic manufacturing. It is used in circuit board substrates, encapsulation materials, and connectors, ensuring the stability and reliability of electronic devices.

With its outstanding mechanical properties, temperature resistance, chemical corrosion resistance, and electrical insulation, HENSIC organic silicon-modified polyurethane resin holds immense potential across multiple industries. As technology advances and market demands grow, HENSIC is poised to play an increasingly vital role in future developments.