1、New type of primers based on polypropylene grafted maleic anhydride (PP

The study examines various factors, including concentration of PP-g-MAH in the primer solution, the degree of grafting of polypropylene with maleic anhydride, the solvent type, the temperature of primer application, and pressure duration and magnitude.

2、CPO

Pre-treatment of plastic substrates is often no longer necessary. Good compatibility with other paint components such as resins and additives. Supplied in butyl acetate as solvent, and therefore more friendly with regard to Health & Safety than toluene containing alternatives. Can be used in primers and topcoats.

3、Adhesion Promoters

It can be used as a blend-in additive for waterborne primers and base coats. This enables the development of volatile organic compound (VOC)-compliant coatings for adhesion to modified polypropylene substrates.

Primer

SURFLEN™ is a modified polyolefin elastomer with improved weather resistant adhesion and low temperature flexibility/shock resistance. It was developed uniquely in our company as a primer for coating non-polar olefin resin surfaces such as polypropylene (PP) and polyethylene (PE).

CoatingResins2026_India_0425.indd

DIC’s printing inks, organic pigments, PPS compounds and other products are used in a wide range of industries in markets around the world. Through new three business groups which reorganized focusing value provided, the DIC Group works to provide products that respond to the needs of society and its customers.

New Resins for Durable Coatings on Plastics

A grafted polyolefin-modified acrylic resin can be used as a primer to provide exceptional adhesion to PP. Additionally, a chemical-resistant acrylic polyol can produce a chemically resistant topcoat that prevents attack on the substrate and itself resists degradation.

Eco

Potassium silicate binder of zinc-rich coating was modified by adding water-based acrylic resin. Several series of coatings containing 5, 10, and 15 wt % of acrylic and acrylic/styrene binders were added to potassium silicate.

Can You Paint Polypropylene? Here's What You Need to Know

Acrylic Paints: Water-based acrylics can be used but require a compatible primer. Polyurethane Paints: Provide a durable and flexible finish, often used in automotive applications.

丙烯酸树脂_百度百科

丙烯酸树脂（Acrylic resin）是以丙烯酸酯、甲基丙烯酸酯及苯乙烯等乙烯类单体为主要原料合成的共聚物的总称，是一种重要的高分子材料。 丙烯酸树脂透明柔韧，保光、保色性优良，耐候性、耐化学腐蚀、 耐温性优异。

TOYOBO USA

Can be blended with other resins, and used as pigment dispersed type coatings, ink vehicles, and other types of adhesives.

Can Modified Acrylic Resin Be Used as PP Primer?

Before exploring this question, it is essential to understand what modified acrylic resin and PP primer are. First, modified acrylic resin refers to acrylic resin whose inherent properties have been altered through chemical reactions or physical methods. It may exhibit enhanced characteristics such as water resistance, chemical resistance, and adhesion. PP primer, on the other hand, is a coating material typically composed of pigments, solvents, additives, and other components designed to provide protective and decorative functions.

So, can modified acrylic resin be used as PP primer? The answer is: Yes, but selection and adjustment must be tailored to specific application requirements.

Key Considerations:

1. Performance Matching First, the performance of modified acrylic resin must align with the requirements of PP primer. If the modified resin demonstrates excellent water resistance, chemical resistance, and adhesion, it can serve as a viable option for PP primer. if these properties do not meet the needs of the primer, alternative materials should be considered.

2. Compatibility The compatibility between modified acrylic resin and PP primer must also be evaluated. If they blend smoothly to form a uniform coating, they can function effectively as a primer. Conversely, if mixing leads to issues like delamination or bubble formation, alternative materials should replace them.

3. Cost-Effectiveness While modified acrylic resin may offer certain advantages, its cost relative to other materials is critical. If its price significantly exceeds that of alternatives, it may not be economically practical. Balancing cost and performance is key to selecting the most suitable material.

4. Practical Application Real-world conditions must also be factored in. For example:

   • If the primer must withstand high temperatures or humidity, materials with superior temperature resistance are required.
   • If the primer needs durability against wear or scratching, materials with corresponding properties should be prioritized.

Modified acrylic resin can be a strong candidate for PP primer, but its use depends on careful selection and adaptation to specific needs. In practice, a comprehensive evaluation of performance, compatibility, cost-effectiveness, and application conditions is necessary to ensure the optimal choice of material.