The parameters of textile coating emulsion include appearance, viscosity, solid content, pH value, glass transition temperature (Tg), storage temperature and shelf life, etc. These parameters are crucial for evaluating the performance and application conditions of the emulsion. The following are some specific parameter descriptions: Appearance: The emulsion can be a milky white slightly blue phase liquid or a light yellow liquid, depending on the specific type and composition of the emulsion. Viscosity: Viscosity is an indicator for measuring the fluidity of emulsions. Different types of emulsions have different viscosity ranges. For example, the viscosity of the textile emulsion PA-510 is less than 500 mPa·s, while the viscosity range of the vinyl acetate-ethylene copolymer emulsion is between 1000 and 1500 mPa·s. Solid content: Solid content refers to the proportion of solid components in an emulsion, expressed as a percentage. For example, the solid content of the textile emulsion PA-510 is 45±1%. pH value: The pH value reflects the acidic or alkaline properties of the emulsion. Different emulsions have different pH value ranges. For instance, the pH value of high-elasticity waterborne acrylic emulsion is between 7 and 8, while that of silicone emulsion is between 6 and 8. Glass transition temperature (Tg) : The glass transition temperature is the temperature at which a material transitions from the glassy state to the rubbery state. Different emulsions have different glass transition temperatures. For example, the glass transition temperature of the textile emulsion PA-510 is -16℃. Storage temperature: Emulsions should be stored within a specific temperature range to maintain their performance. For instance, the storage temperature for highly elastic waterborne acrylic emulsions is 5 to 40 degrees Celsius. Shelf life: The shelf life of an emulsion refers to the length of time it can maintain its performance under specific conditions. For instance, the shelf life of a highly elastic water-based acrylic emulsion is 9 months. These parameters jointly determine the application performance and usage conditions of the emulsion, which is crucial for choosing an emulsion suitable for a specific purpose Sinograce Chemical produces waterborne acrylic emulsion and waterborne polyurethane for use in the textile industry. Welcome to consult.

Water based acrylic acid Sinograce Chemical masters the core technologies of primary and secondary dispersions. By precisely regulating key parameters such as molecular weight, glass transition temperature, core-shell structure, physical and chemical modification, and particle size, it can meet diversified application scenarios and customize innovative products according to customer needs. Acrylic dispersion is a high-performance acrylic resin without surfactants and is widely used in various coating systems. These dispersions perform exceptionally well in coating formulations, endowing the coating with superior hardness, chemical resistance and anti-corrosion properties, ensuring the stability and long-lasting durability of the product. Sinograce Chemical offers a wide range of acrylic dispersions, covering coatings, inks, wood coatings and special applications, providing reliable and proven stability for various products. In addition, we work closely with our customers to develop customized acrylic dispersion solutions for high-end coating applications. Grace in waterborne acrylate copolymer chemical covering water soluble, gliadin, emulsion and dispersion four major categories, with low VOC, no APEO, contain and renewable, accord with environmental protection laws and regulations and the requirement for sustainable development. We are always dedicated to acrylic dispersions of technological innovation, continuous research and development, breakthrough products in response to changing market demand, to ensure that each product can accurately match the needs of different application scenarios. Sinograce Chemical's acrylic dispersion is widely used in: ✅ Protective coatings (from temporary coatings to long-term protective coatings) ✅ Printing ink ✅ General industrial coatings ✅ Architectural and construction coatings ✅ Textile and Paper industry ✅ High-performance adhesives ✅ Specialty high performance coatings With leading technical strength and outstanding product performance, Sinograce Chemical continuously provides customers with high-quality, environmentally friendly and high-performance acrylic dispersion solutions, contributing to the innovative development of the industry.

Sinograce Chemical researches, develops, produces and sells various acrylic emulsions, waterborne polyurethane dispersions, etc., which are applied in packaging lamination, waterborne coatings, wood coatings, waterborne metal anti-corrosion paints, single and two-component waterborne plastic paints, leather finishing agents, printing inks and varnishes, adhesion of waterborne composite inks, laminating adhesives, laminating adhesives, panel adhesives, PVC laminating adhesives, textile stiffening agents, printing pastes Pressure-sensitive adhesive PSA, etc. Acrylic emulsion is a water-based emulsion, composed of two different monomers: soft monomers and hard monomers. Soft monomers refer to monomers with high hydrophilicity and dispersion performance. Hard monomers refer to monomers with high lipophilicity and crystallization properties. I. Functional Differences between soft monomers and hard monomers 1.Different dispersion performance: Soft monomers have better dispersion performance, which can evenly disperse the particles in the emulsion and improve the quality of products such as coatings and adhesives; Hard monomers, on the other hand, have poor dispersion performance, which can easily lead to particle agglomeration and affect product quality. 2. Different morphological stability: Hard monomers have higher crystallization performance, which can enhance the morphological stability of emulsions, prevent the precipitation and phase separation of emulsions. However, soft monomers have poor crystallization performance and are prone to causing emulsion instability. 3. Different application fields: Soft monomers are suitable for preparing highly dispersed, highly transparent and highly hard emulsion products; Hard monomers, on the other hand, are suitable for preparing emulsion products with high filling amount, high flexibility and high viscosity. Ii. The proportion of soft monomers to hard monomers in acrylic emulsion Under normal circumstances, the ratio of soft monomers to hard monomers is between 3:7 and 7:3. In practical applications, it is necessary to select the appropriate proportion of monomers based on the requirements of the product and process conditions to achieve better performance and effect.

In the application of fabric coatings, waterborne polyurethane not only plays the role of an adhesive but also carries specific functional characteristics. The full play of its performance depends on whether the coating can closely adhere to the substrate. So, where exactly does the adhesion force between the waterborne polyurethane coating and the substrate come from? What methods are there to enhance this adhesive force and make the fabric substrate bond more firmly? From the perspective of academic theory, the early bonding theory tended to be the mechanical action theory, suggesting that the adhesive force mainly relied on the micro-pore anchoring effect and the physical interlocking caused by surface roughness. Accordingly, the surface characteristics of the adhesive and the substrate have become the key factors determining the adhesion strength. Subsequently, the adsorption theory further deepened our understanding of the bonding mechanism, regarding it as a special interface phenomenon. Various polar groups in the polyurethane molecular chain, such as carbamate bonds, hydroxyl groups, ether-oxygen bonds, etc., constitute the core elements of the cohesive force of the adhesive by forming dispersion forces. In addition, the diffusion theory emphasizes the mutual permeability between the adhesive and the adherend. It vividly depicts the viscous characteristics of polymers with a "crawler" model, indicating that highly branched polymers exhibit more significant advantages in bonding performance compared to linear polymers. Comprehensive classical theory above, we can extract the following key strategies: improve coating adhesion and fabric of the fabric surface appropriately pretreatment, to increase its wettability; Adjust the polarity of waterborne polyurethane molecules to promote stronger intermolecular interactions; And increase the branching degree of molecules, taking advantage of the spatial structure of polymer chains to further enhance the adhesion effect. These measures together constitute an effective way to optimize the bonding strength between the coating and the fabric.