1、Silane coupling agent

In the present research, through molecular structure design and the internal emulsification method, we synthesized a series of bio-based waterborne polyurethanes modified with silane coupling agent (SWPU).

2、高性能环保型硅烷偶联剂改性水性聚氨酯的制备与性能研究

该研究为开发兼具机械性能与环保特性的高性能WPU提供了新策略。 在涂层、胶粘剂和纺织领域，水性聚氨酯 (WPU)因其环保低VOC特性备受青睐。 然而，传统WPU存在三大痛点：依赖不可再生的石化原料、分子链亲水基团导致耐水性不足、以及热稳定性和界面附着力欠佳。 这些缺陷严重制约了WPU在高湿环境或高端工业场景的应用。 更令人担忧的是，现有改性方案往往顾此失彼——氟化物虽能提升疏水性却带来环境毒性，而物理共混又难以解决组分相容性问题。 面对这些挑战，能否通过分子设计开发出兼顾机械强度、耐水性与环保特性的新一代WPU？ 郑州大学的研究团队在《Progress in Organic Coatings》发表的研究给出了肯定答案。

3、Preparation and Performance Evaluation of Waterborne Polyurethane

An environmentally friendly waterborne polyurethane (CWPU) emulsion was developed via a dual modification strategy by combining both the silane coupling agent KH-602 with renewable castor oil (CO) as a sustainable substitute for petroleum-based polyols.

Zhejiang Boiling Point Silane Coupling Agents

Coating Industry: Zhejiang Boiling Point silane coupling agents enhance coating adhesion to metals, plastics, glass, and other substrates, extending coating lifespan and improving weather resistance and decorative effects.

Silane coupling agent

In the present research, through molecular structure design and the internal emulsification method, we synthesized a series of bio-based waterborne polyurethanes modified with silane coupling agent (SWPU).

Zhejiang Feidian Chemical Co., Ltd. 浙江沸点化工有限公司

It may be used as a coupling agent in polysulfide and polyurethane caulks and sealants, in mineral-filled or glass-reinforced thermosets and thermoplastics, and in glass roving size-binders.

(PDF) Recent Progress in Silane Coupling Agent with Its Emerging

This paper presents the effects of silane coupling agent, which includes interfacial adhesive strength, water treatment, polymer composites and coatings that make it valuable for...

Recent Progress in Silane Coupling Agent with Its Emerging

This paper presents the efects of silane coupling agent, which includes interfacial adhesive strength, water treatment, polymer composites and coatings that make it valuable for multi-materialization.

Silane coupling agent

Semantic Scholar extracted view of "Silane coupling agent-modified environmentally friendly waterborne polyurethane with excellent mechanical properties and water resistance" by Lin Wang et al.

Silane coupling agent

In the present research, through molecular structure design and the internal emulsification method, we synthesized a series of bio-based waterborne polyurethanes modified with silane coupling agent (SWPU).

In modern industry, optimizing material performance is key to enhancing product quality. Silane coupling agents, as a novel modifier for polymer materials, play critical roles across various fields due to their unique chemical structures and excellent physical properties. Particularly, Zhejiang waterborne silane coupling agents, which use water as a solvent, not only reduce production costs but also significantly improve critical properties such as adhesion, heat resistance, and chemical resistance. This article explores the scientific principles, application examples, and practical industrial effects of Zhejiang waterborne silane coupling agents.

Scientific Principles

Waterborne silane coupling agents are compounds containing siloxane groups and organic functional groups. The siloxane groups react chemically with hydroxyl groups on the surfaces of substrates, forming stable chemical bonds. This reaction enhances interfacial bonding strength while introducing organic groups to improve wettability and processability. Additionally, silane coupling agents can form hydrogen bonds or other chemical interactions with substrate surfaces, further improving mechanical properties and thermal stability.

Application Fields

1. Construction Industry: In building materials such as coatings, adhesives, and sealants, waterborne silane coupling agents significantly enhance coating adhesion and weather resistance. For example, adding an optimal amount to exterior wall coatings effectively prevents peeling and extends building lifespan.

2. Automotive Manufacturing: In automotive production, these agents improve bonding strength between plastic components, reducing maintenance costs. Applying a silane coupling agent layer to plastic surfaces strengthens adhesion to metal parts, ensuring structural reliability.

3. Electronics Industry: Silane coupling agents treat micro-scratches on metal surfaces, improving weld strength and conductivity. Pre-treating metal surfaces with silane coupling agents before soldering reduces defects like weak joints or cold solders.

4. Aerospace: In aerospace composites, waterborne silane coupling agents enhance interfacial bonding between composite materials and metal/ceramic components, improving overall structural stability and durability.

Practical Effects

Zhejiang waterborne silane coupling agents demonstrate significant advantages in industrial applications. Compared to traditional solvent-based silane coupling agents, they exhibit lower volatile organic compound (VOC) emissions, making them more environmentally friendly. Their superior solubility and dispersibility ensure uniform application across substrates, improving product consistency and quality stability.

Zhejiang waterborne silane coupling agents have become indispensable materials in modern industry due to their unique chemical structures and broad application potential. As technology advances and environmental awareness grows, these agents are poised to expand their roles in more fields. Future innovations in waterborne silane coupling agents will address evolving material performance demands, driving sustained progress in industrial technology.