Pfropfpolymer mit funktionellen Glycidylester-Gruppen, Olefin-Copolymer als Matrixmaterial, hohe Reaktivität

Glycidyl Methacrylate, or GMA for short, is a monomer having epoxy groups and double acrylate linkages. Due to their high reactivity, acrylate double bonds can self-polymerise and copolymerize with a variety of different monomers.
Epoxy groups can interact with hydroxyl, amino, carboxyl, or acid anhydrides to introduce additional functional groups and increase the usefulness of products. GMA is frequently employed as a reactive diluent for epoxy resins, a stabilizer for vinyl chloride, a modifier for rubber and resins, an ion exchange resin, and a binder for printing inks due to the unique nature of its molecular structure.
As a result, GMA is frequently used in the production of chemical fiber, paper, printing, and dyes, composite materials, UV-curable materials, coatings, adhesives, leather, and other products.

Free radical polymerization is a modification technique called “polymer graft modification” that adds polar or functional side groups to the polymer chain. The polymer has exceptionally high polarity or a unique functional group after graft modification, which may enhance the polymer’s adhesion and printability and be utilized as a compatibilizer, a toughener, and diverse functional materials.

W5D ist ein Pfropfpolymer mit funktionellen Glycidylester-Gruppen, Olefin-Copolymer als Matrixmaterial, hohe Reaktivität.W5D Polyester Kompatibilisator ist POE-basierte Material durch die Einführung von starken polaren reaktiven Gruppe GMA (Glycidylmethacrylat), so dass das Material hat eine hohe Polarität und Reaktivität, die für Flammschutzmittel, Verstärkung, Verbesserung verwendet werden kann Die Modifikation von Polyester-Materialien wie Zähigkeit, Füllung, etc. kann effektiv verbessern die Kompatibilität von Composite-Materialien und die Dispersion von Füllstoffen, und verbessern die Produktleistung. Es kann auch als Kompatibilisierungsmittel für ABS/PC, PBT/PC und andere Legierungen verwendet werden. Dieser Kompatibilisator hat offensichtliche Vorteile für PBT-Flammschutzmittel und Faserzusatz.

Typical data of W5D in PBT plus fiber

From the above table, adding 5% W5D in the PBT fiber system can improve the notched impact strength and preserve other properties well. The results show that W5D has superior processability and high fluidity in the PBT fiber system can help the glass fiber to disperse better.

Typical data of W5D in flame retardant reinforcement of PBT

Note: PBT Taiwan Changchun 1100 -211 M  GF Jushi 988A Antimony trioxide Brominated epoxy

It can be seen from the above table that the addition of 4% W5D in the PBT flame retardant reinforcement system can improve the notched impact strength and preserve other properties well. It shows that W5D has superior processing performance in PBT flame retardant reinforcement system and high fluidity can help glass fiber to disperse better.

Typical data of  W5D in PC+PBT alloy

Test raw materials: PBT (Changchun 1100N), PC (Teijin 1250Y); Test equipment: 35 type twin-screw extruder granulator

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Bei diesem Produkt handelt es sich um Propenpolymer mit funktionalisiertem Maleinsäureanhydrid, das sich besonders für die Verstärkung und Kompatibilisierung von PP-Mineralfasern und Glasfasern eignet.

Modification of polymer graft effects

Polymere können durch die Hinzufügung polarer funktioneller Gruppen mittels Pfropfmodifikation eine Vielzahl neuartiger Effekte erzeugen; die wichtigsten Arten von Effekten werden hier erörtert.

Effect of flame retardants

• Through grafting chemical process, flame-retardant elements or groups are added to the polymer’s main chain or side chain, transforming the polymer into an intrinsic flame-retardant resin. For instance, adding boron, silicon, sulfur, metal, etc. to the resin can increase its ability to resist flame.
• The compatibilizer’s functionTo increase the resin’s compatibility with other polymers, reactive functional groups are added by the chemical process of grafting. It serves as a polymer alloy compatibilizer. A common HDPE/PA compatibilizer is polyethylene grafted maleic anhydride.
• A toughening agent’s function
  Although many elastomers have a good toughening effect, it is challenging to exert the required toughening impact due to their poor compatibility with the toughening matrix resin. This type of elastomer’s compatibility with the toughening matrix resin and toughening performance may both be significantly enhanced after graft modification treatment. If maleic anhydride is used for graft modification to create POE-g-MAH, it improves the compatibility with PA and becomes the best toughening agent for PA.Another illustration is the overall toughening impact of pure SEBS on PET and PBT, which is similarly due to the two materials’ poor compatibility. Glycidyl methacrylate (GMA) is a great toughening agent for PET and PBT when it is utilized for graft modification to create SEBS-g-GMA.

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1. Es kann als Kompatibilisator für PBT, PC, PET und Glasfaser verwendet werden.
2. Es kann als Zähigkeitsvermittler für PBT und PC verwendet werden.
3. Kann als PBT / PC-Legierungskompatibilisator verwendet werden;Anwendung Industrie1. Adhesives and Sealants: This graft polymer is a great option for creating adhesives and sealants because to its strong reactivity and outstanding adhesion capabilities. It is suitable for bonding a variety of substrates, such as metals, polymers, ceramics, and composites.2. Coatings and Paints: This product’s adaptability makes it excellent for coatings and paint formulation. It functions as a binder to promote durability, adhesion, and chemical resistance. A coating’s outstanding hardness and scratch resistance are produced by crosslinking processes made possible by the strong reactivity of the glycidyl ester functional groups.

3. Composites: The graft polymer can be employed in composite materials as a strengthening agent. Due to its high reactivity, it can create solid bonds with the matrix substance, improving the composites’ mechanical characteristics. Because of this, it may be used in fields including construction, aircraft, and the automobile industry.

4. Functional Materials: Due to the graft polymer’s distinct functionality, it may be used to create a variety of functional materials. Surfaces can be changed, compatibility between materials can be improved, or specialized qualities like conductivity, hydrophobicity, or biocompatibility can be added.