Chlorinated Polypropylene (CPP) is a versatile functional polymer that has gained widespread use across multiple industrial sectors due to its exceptional adhesion properties, compatibility with various resins, and ability to modify surface characteristics of low-energy materials. Below are the three primary application fields of CPP, each playing a critical role in modern manufacturing and coating technologies. 1.CPP for Inks (Chlorinated Ink Resin) High-molecular-weight CPP is specifically designed for printing inks on PP substrates, available in both toluene-soluble and ester-soluble systems. It is mainly used in packaging printing to effectively enhance ink adhesion on PP film surfaces, preventing the printed layer from detaching during processing or end-use. The most common end-use is in rotogravure and flexographic printing of PP films, which are extensively used for snack food packaging, confectionery wraps, shrink sleeves, and laminated stand-up pouches. The inherent non-polar nature of PP films causes conventional inks to exhibit poor wetting and weak anchorage, leading to smudging, rubbing, or complete detachment during handling or transportation. By utilizing high-molecular-weight CPP as the ink vehicle or as a co-binder, the ink layer forms a strong physical and chemical bond with the PP surface, ensuring excellent rub resistance, block resistance, and adhesion even under high-speed printing and subsequent converting operations. Additionally, the high molecular weight imparts improved pigment wetting and dispersion stability, resulting in vibrant colors and consistent print density across long production runs. 2. Adhesion Promoter for PU Inks Low-molecular-weight CPP is used as an adhesion promoter for PU inks, primarily to solve adhesion problems on PP and PE films. This application is common in packaging printing, where it strengthens the bond between the ink layer and low-surface-energy substrates, effectively preventing ink peeling, smudging, and other defects, thereby ensuring print quality. 3.Automotive Coatings and Adhesives CPP exhibits strong affinity for polyolefin substrates such as PP and TPO, and shows good compatibility with resins like acrylics and polyurethanes, significantly improving coating adhesion. Specific applications include: •Automotive bumper coatings (high-flexibility grades); •Interior trim coatings (low-VOC, environmentally friendly formulations); •Adhesion-promoting primer layers for polymer substrates; •Adhesives for structural bonding of PP to metals and PP to rubber. We can supply many different types of CPP resin. So any more informations, pls let us know.

What is reflective paint? Reflective paint is made by mixing directional reflective materials in a solvent. Acrylic resin is the base material. Reflective paint is a new type of reflective paint. It reflects light through reflective beads. It has better reflective effects at night. Due to high reflectance, it can prevent ultraviolet light irradiation and color fading. It is also highly resistant to salt spray, acid and alkali. How to use reflective powder for paint? Method 1: Reflective paint is made by directly mixing reflective powder with paint. It is easy to use and control. Reflective powder is used according to the reflectance. Method 2: Preparation of reflective paste: Weigh an appropriate amount of reflective powder, and mix it with the solvent (cyclohexanone) into paste. Then, mix it with transparent printing paste by stirring. Reflective powder will be half exposed on the surface, to achieve the reflective effect. Reflective powders of different particle sizes have different reflective effects. (Different particle sizes will lead to better reflective effects.) What is reflective paint used for? Applications of reflective powder in paint 1. Traffic signs Reflective powder is an important material of traffic signs. If reflective powder is used in paint of traffic signs, traffic signs will be clearly visible at night. This can improve the road safety. 2. Architectural decoration Reflective paint is also widely used in architectural decoration. When reflective paint is applied on the surfaces of buildings, the visual effect of buildings at night will be enhanced. 3. Automotive paint Reflective powder is often added in automotive paint. It has a protective effect. It can improve the safety of vehicles running at night. What are the precautions for using reflective paint? 1. Thoroughly remove oil stains, water stains and dust on the substrate surface before construction. Keep the working surface dry. 2. Fully mix the reflective primer and reflective paint before use. Stir them constantly during construction. 3. First apply our reflective primer. When the reflective primer is dry, spray reflective paint. Preferably, spray two layers of reflective primer on cement. 4. The paint film should be even and thin. Its thickness should be about 20 microns. Otherwise, the effect will be poor.

A medida que los envases flexibles y las líneas de conversión de alta velocidad impulsan una mayor eficiencia, el control de la fricción se ha convertido en un parámetro de calidad imprescindible. Los expertos del sector señalan que la cera de PTFE micronizada es el aditivo de referencia para lograr coeficientes de fricción (COF) constantemente bajos sin comprometer la calidad de impresión. En las formulaciones modernas de tintas de impresión, el coeficiente de fricción es mucho más que una métrica de laboratorio: determina directamente la suavidad con la que las películas, láminas y papel pasan por rebobinadoras, selladoras, cortadoras y llenadoras. Cuando el COF es demasiado alto, los convertidores se enfrentan a una serie de problemas costosos: bloqueo en rollos enrollados, rayado superficial, alimentación irregular y paradas frecuentes de línea. Por el contrario, una fricción excesivamente baja puede generar problemas de registro o deslizamiento de pilas. Por ello, encontrar el equilibrio adecuado es un desafío principal de formulación. La cera de politetrafluoroetileno (PTFE) micronizada ha ganado aceptación como una solución altamente eficiente para reducir el COF en sistemas de tinta tanto a base de solvente como a base de agua. Su química única, caracterizada por una energía superficial excepcionalmente baja, permite que las partículas finas migren hacia la superficie de la película de tinta durante el secado o curado. Allí, forman una capa lubricante ultrafina y discontinua que reduce drásticamente la resistencia al deslizamiento mientras conserva las propiedades de adhesión subyacente y propiedades mecánicas. Más allá del deslizamiento: resistencia al bloqueo y a la abrasión Los beneficios van más allá de una simple mejora del deslizamiento. En los envases flexibles, donde las bandas impresas se enrollan bajo alta tensión y se almacenan durante días o semanas, el rendimiento anti-bloqueo es fundamental. La cera de PTFE minimiza la adhesión entre capas adyacentes, evitando defectos costosos en los rollos. Al mismo tiempo, el mismo efecto lubricante reduce las marcas por roce y la abrasión durante el transporte, garantizando que los envases terminados lleguen a los propietarios de las marcas con gráficos impecables. Elegir el grado adecuado de PTFE No todas las ceras de PTFE tienen el mismo rendimiento. Los formuladores deben evaluar el tamaño de partícula, la calidad de dispersión y la compatibilidad con la resina para lograr resultados óptimos. Los grados micronizados finos, normalmente en el rango de 3–6 µm, proporcionan superficies más lisas y una claridad superior, algo especialmente valorado en la impresión de alta definición sobre películas transparentes. La compatibilidad con aglutinantes de poliéster, poliuretano, nitrocelulosa y acrílicos es igualmente esencial para una viscosidad estable y una aplicación uniforme de la tinta. La dosificación, sin embargo, requiere una calibración cuidadosa. Una dosis insuficiente no proporciona...