1、Vinyl Acetate Odor Removal

An ethylene copolymer emulsion and odor removal technology, applied in the field of vinyl acetate, can solve the problems of odor, the inability to achieve conversion rate of monomers, etc., and achieve the effects of industrialized production and simple device structure.

2、Removal kinetics of vinyl acetate under aerobic and anoxic conditions

The Haldane biokinetic equation, widely preferred for toxic substances, was used to determine the relationship between the specific growth rate and vinyl acetate concentrations in removing vinyl acetate under aerobic conditions.

3、Odour in polymers can be restrained by use of special additives

A new plastics additive has been developed to remove taste and odor molecules as they pass through packaging films and other plastic packaging elements. Ampacet's masterbatch additive helps control taste and odor issues in plastics film applications for trash bags and flexible food packaging.

Method for removing peculiar smell of vinyl acetate

Abstract The invention belongs to the technical field of vinyl acetate, and particularly relates to a method for removing peculiar smell of vinyl acetate - ethylene copolymer emulsion.

Removal of Volatile Organic Compounds from Bulk and Emulsion Polymers

Volatile organic compounds (VOCs) are mostly toxic and hazardous substances that generally have a strong odor and can cause health and environmental problems. It is thus of upmost importance for the polymer manufacturing industry to eliminate these volatiles from the synthesized polymers.

Odor Remover Masterbatch

This Masterbatch offers complete solution to avoid undesired odor in polymer, in virgin as well as in recycled material. The active ingredients consist of micro porous inorganic materials with a high capacity to absorb volatile organic compounds.

Bad Odor (VOCs) from Recycled Plastics

Ampacet's masterbatch additive, Ampacet 101787, is designed to remove taste and odor molecules as they pass through plastic packaging elements. This product is effective in LDPE and ethylene vinyl acetate films used in various applications, including trash bags and flexible food packaging.

Method for dispelling odor in ethylene

A vinyl acetate and copolymer technology, which is used in the field of odor removal of ethylene-vinyl acetate foam materials and ethylene-vinyl acetate copolymer odor removal, can solve problems such as carcinogenicity, chemical residues, human health threats, etc. Good foaming effect, good stability and repeatability, low price effect

The Odor of Vinyl Acetate Emulsion

An ethylene copolymer emulsion and odor removal technology, applied in the field of vinyl acetate, can solve the problems of odor, the inability to achieve conversion rate of monomers, etc., and achieve the effects of industrialized production and simple device structure.

How to Remove the Smell from a Brand New EVA Case and Is It Harmful?

To make sure your EVA case is as fresh as possible, here’s the most effective way to eliminate or reduce any lingering odors. While some people suggest methods like using baking soda or activated charcoal, these are often less effective compared to simply letting the case air out.

In industrial production, vinyl acetate, as an important organic synthetic raw material, is widely used in plastics, adhesives, coatings, and other fields. due to its unique chemical structure and properties, it tends to produce unpleasant odors, affecting product quality and the production environment. effectively removing the odor of vinyl acetate has become a critical issue for improving product quality and production efficiency. This article explores methods and technologies for vinyl acetate odor removal from multiple perspectives.

I. Physical Deodorization Methods

1. Adsorption Method: Activated carbon is a commonly used adsorbent with strong adsorption capacity. It can effectively remove volatile organic compounds (VOCs) from vinyl acetate. By fully contacting activated carbon with vinyl acetate, odor molecules are adsorbed by its porous structure, thereby achieving deodorization. This method is simple to operate and low in cost, but its effectiveness depends on factors such as the quality of activated carbon, contact time, and temperature.

2. Dilution Method: Mixing vinyl acetate with an appropriate amount of water reduces its concentration, thereby decreasing the concentration of odor molecules and achieving deodorization. This method is simple but may not completely eliminate all odor molecules and could have environmental impacts.

II. Chemical Deodorization Methods

1. Neutralization Method: Adding alkaline or acidic substances to react with vinyl acetate can generate non-odorous products, eliminating the smell. This method is suitable for treating vinyl acetate with acidic odors.

2. Oxidation Method: Using oxidants such as ozone or hydrogen peroxide, odor molecules in vinyl acetate can be oxidized and decomposed into harmless substances, achieving deodorization. This method thoroughly eliminates odors but requires specialized equipment and chemicals, making it costly.

III. Biological Deodorization Methods

1. Microbial Degradation: Specific microorganisms, such as yeast and bacteria, can metabolize vinyl acetate into harmless substances. Although this method is slower, it adapts well to certain types of odors.

2. Plant-Based Deodorization: Using plants with natural deodorizing functions, such as mint or lemongrass, their leaves can be added to vinyl acetate. The natural fragrance of these plants masks the odor, achieving deodorization. This eco-friendly method has limited effectiveness.

IV. Comprehensive Deodorization Methods

1. Combining Multiple Methods: In practical production, combining several methods can enhance deodorization effects. For example, using adsorption to remove part of the odor molecules first, followed by neutralization or oxidation for further treatment, achieves optimal results.

2. Optimizing Process Parameters: Adjusting process parameters such as temperature, pressure, and contact time can improve deodorization. For instance, increasing temperature accelerates reaction rates, shortening deodorization time, while higher pressure enhances solubility and mass transfer efficiency.

As a key chemical raw material, vinyl acetate’s odor issues cannot be overlooked. Through the comprehensive application of the methods mentioned above, odors in vinyl acetate can be effectively removed, improving product quality and production efficiency. Future industrial production should strengthen research and application of deodorization technologies to promote sustainable development in the chemical industry.