1、SOLUTION

The grafting of vinyl acelate (VA) onto low molecular weight polyethylene (PEW) was studied in benzene with benzoyl peroxide (BPO) as initiator. The effects of the reaction temperature, time, the amount of BPO and VA on the grafting ratio, the conversion and the grafting efficiency were investigated.

2、Synthesis of Degradable Polyethylene and Poly(ethylene

We report the synthesis of PE and poly (ethylene- co -vinyl acetate) (EVA) bearing a low content of in-chain thioester functions introduced via a co- or terpolymerization approach involving ethylene (E), vinyl acetate (VAc), and ε-thionocaprolactone (TCL).

3、Polyvinyl Acetate and Vinyl Acetate

The goal is to develop a hybrid IPN network of polyvinyl acetate (PVAc) and ethylene-vinyl acetate (VAE). In this research work, the vinyl acetate (VAc)/ VAE hybrid emulsion and polyvinyl acetate emulsion (PVAc) were effectively synthesized.

Synthesis of stable fluorescent ethylene

The synthesis and application of rare earth organic complexes (REOCs) are gaining attention due to their advantages including low excitation thresholds and high luminescence efficiencies.

Synthesis and characterization of new vinyl acetate grafting onto

Modified poly (vinyl acetate) copolymers with epoxidized linseed oil (ELO) as co-monomer have been prepared. The polymerization was performed in aqueous medium without any additional protective colloid in the presence of sodium persulfate as catalyst.

Synthesis and characterization of vinyl acetate graft copolymers

The effect of α-CD inclusion to the self-assembly behavior of methoxy polyethylene glycol (mPEG) grafted chitosan (CS) was studied.

Polyvinyl Acetate and Vinyl Acetate

In this research work, the vinyl acetate (VAc)/ VAE hybrid emulsion and polyvinyl acetate emulsion (PVAc) were effectively synthesized. Emulsions with various characteristics have been developed by adjusting the weight ratios between the vinyl acetate monomer and the VAE component.

Gamma radiation

This work investigated the modification of EVA via gamma radiation-induced grafting of butyl acrylate (BuA) monomers and the evaluation of grafted EVA as a pour point depressant for crude oil.

Preparation and Performance Evaluation of a New Type of Polyethylene

In this work, organic PSMS with an average size of 1.4 μm was first synthesized by dispersion polymerization. Then, a new type of EVA/PSMS composite PPD was prepared by melt blending.

Efficient synthesis of polyethylene wax using 8

In summary, a series of nickel complexes based on 8- (arylimino)-5,6,7-trihydroquinoline with different groups in para -position of the amine (Ni1 – Ni4) were designed and synthesized for efficient synthesis of polyethylene wax.

Introduction to the Synthesis and Application of Polyethylene Wax Grafted with Vinyl Acetate

Polyethylene wax (PE wax) is a polymer widely used in the plastics industry, known for its unique physical and chemical properties that enable excellent performance in various applications. In recent years, with advancements in materials science, researchers have explored introducing other functional groups into polyethylene wax through grafting reactions to enhance its properties. Vinyl acetate (VAc), a common olefin monomer, has been extensively studied due to its excellent chemical stability and modifiability. This article will introduce the synthesis methods of polyethylene wax grafted with vinyl acetate and its applications in various fields.

Synthesis Methods of Polyethylene Wax Grafted with Vinyl Acetate

The synthesis of polyethylene wax grafted with vinyl acetate typically employs free radical polymerization or ionic polymerization methods. Among them, free radical polymerization is the most commonly used due to its simple operation and strong controllability. The following is a typical free radical polymerization process:

1. Selection of Initiation Agents: Selecting the appropriate initiation agent is crucial for achieving polyethylene wax grafting. Commonly used initiation agents include dicumyl peroxide (DCP), azobisisobutyronitrile (AIBN), etc.
2. Polymerization Conditions: Controlling the polymerization temperature, time, and amount of catalyst is essential to obtain the desired grafting rate and molecular weight distribution.
3. Post-treatment: After grafting, polyethylene wax needs post-treatment such as washing and drying to remove unreacted monomers and low-molecular-weight products.

Applications of Polyethylene Wax Grafted with Vinyl Acetate

The grafted polyethylene wax exhibits higher thermal stability and mechanical strength while retaining the good processing performance of polyethylene wax. This makes grafted polyethylene wax widely used in many fields:

1. Packaging Materials: Due to its excellent tear resistance and transparency, polyethylene wax grafted with vinyl acetate is widely used in food, pharmaceutical, and cosmetic packaging materials.
2. Cable Sheaths: Cable sheaths made of grafted polyethylene wax have excellent weather resistance and wear resistance, effectively preventing cable damage caused by external environmental factors.
3. Rubber Products: Polyethylene wax grafted with vinyl acetate can be used as a plasticizer for rubber, improving its flexibility and heat resistance.
4. Paints and Adhesives: This material has good adhesion and water resistance, often used in the production of paints and adhesives.
5. Textiles: Textiles grafted with polyethylene wax have good stain resistance and wear resistance, suitable for outdoor sportswear and footwear materials.

The research and application of polyethylene wax grafted with vinyl acetate demonstrate the charm of macromolecular materials science. Through simple grafting reactions, we can impart new functions and properties to traditional materials, thereby opening up broader application areas. In the future, with the development of new materials and the continuous exploration of functions, polyethylene wax grafted with vinyl acetate will play an important role in more fields and contribute to the development of human society.