1、Vinyl acetate/butyl acrylate copolymers—part 1: mechanism of
This work deals with the mechanism of degradation of vinyl acetate/butyl acrylate (VA/BA) copolymers varying the VA/BA ratio. It is shown that for higher VA contents, the degradation starts at comparatively lower temperature but a more thermally stable material is formed.
2、Preparation, Characterization and Properties of Vinyl Acetate
The purpose of the current work is to examine systematically the effect of the comonomer composition and the method of monomer addition (two factors which do affect the compositional homogeneity) on the bulk and colloidal properties of vinyl acetate-butyl acrylate copolymer latexes.
3、醋酸乙烯酯及丙烯酸丁酯半连续法乳液共聚合
Abstract: Copolymerization of vinyl acetate and butyl acrylate was carried out by using semi-continuous emulsion process.Monomer conversion, particle size, particle number of latexes and...
4、Preparation and Characterization of Soap
Abstract The soap-free emulsion of vinyl acetate (VAc)/butyl acrylate (BA) copolymer was prepared by a semi-continuous and pre-emulsification polymerization method, using ammonium sulfate allyloxy nonylphenoxy poly (ethyleneoxy) (10) ether (DNS-86) as a reactive emulsifier.
(PDF) Vinyl Acetate/butyl acrylate/acrylate Research of Ternary Soap
Through the vinyl acetate/butyl acrylate/acrylic acrylic emulsion preparation without soap vinegar, with solid content, gel, emulsion stability and film forming properties and tensile...
Miniemulsion copolymerization of vinyl acetate and butyl acrylate. IV
The copolymerization kinetics of conventional emulsions and miniemulsions of 50:50 and 25:75 molar ratios vinyl acetate–butyl acrylate monomer mixtures were studied using sodium hexadecyl sulfate as surfactant.
Study of the copolymerization of vinyl acetate/butyl acrylate
Vinyl acetate (VAc)/butyl acrylate (BA) random copolymers have been prepared by seeded emulsion polymerization following a semi-continuous feeding method. The copolymerization process...
Preparation and Characterization of Soap
The soap-free emulsion of vinyl acetate (VAc)/butyl acrylate (BA) copolymer was prepared by a semi-continuous and pre-emulsification polymerization method, using ammonium sulfate allyloxy nonylphenoxy poly (ethyleneoxy) (10) ether (DNS-86) as a reactive emulsifier.
Vinyl Acetate/butyl acrylate/acrylate Research of Ternary Soap
Using vinyl acetate and butyl acrylate and acrylic acid as monomer soap-free emulsion polymerization, non-soap emulsion obtained in all aspects of performance is very good.
Vinyl Acetate Semi
Vinyl acetate (VAc) was used as principal monomer and copolymerized with butyl acrylate (BuA) and 2‐ethyl hexyl acrylate (2-EHA) at the feeding ratio of 85/15/0, 85/0/15, 85/5/10, 85/10/5, 85/7.5/7.5 wt % of VAc/BuA/2-EHA using deionised water as dispersion medium.
In the vast universe of chemistry, compounds shine like stars in the natural world's night sky. Among them, vinyl acetate and butyl acrylate stand out as two brilliant stars, each with unique chemical properties and applications, forming an indispensable part of modern materials science. This article explores the mysteries of these organic compounds, from their synthesis and applications to their environmental impact, providing a comprehensive interpretation of these essential chemical raw materials.
Vinyl Acetate is a colorless, odorless, and flammable liquid produced by the addition reaction of ethylene and acetic acid. This straightforward chemical reaction not only illustrates the fundamental principles of organic compound synthesis but also highlights the importance of raw material selection in the chemical industry. Due to its excellent solubility and chemical stability, vinyl acetate is widely used in coatings, adhesives, and plastics. In coatings, it enhances weather resistance and flexibility; in adhesives, it acts as a plasticizer to improve adhesion. Additionally, vinyl acetate serves as a key intermediate in the production of polyvinyl alcohol formalin.
Butyl Acrylate (also known as butyl acrylate) is a colorless or pale-yellow, transparent, oily liquid. Its preparation involves the polymerization of acrylic acid and butyl alcohol. Butyl acrylate boasts exceptional solubility, dissolving easily in solvents such as alcohols, ethers, and ketones. Consequently, it finds broad applications in cosmetics, personal care products, and pesticides. For example, in cosmetics, it functions as an emulsifier and stabilizer, aiding in the formation of stable emulsions; in pesticides, it acts as an active ingredient for controlling plant diseases.
The synthesis of both compounds adheres to green chemistry principles in the chemical industry. Minimizing harmful substances, maximizing raw material efficiency, and reducing waste are critical to sustainable development. For instance, advancements in catalysts and reaction conditions for vinyl acetate production have significantly lowered energy consumption and emissions, enabling cleaner production. Similarly, using bio-based raw materials and eco-friendly solvents in butyl acrylate manufacturing reduces environmental pollution.
their applications also pose challenges. Due to their high volatility, safety measures are essential to prevent harm to human health and the environment. as environmental awareness grows, balancing market demand with reduced environmental impact becomes a pressing issue for the chemical industry.
Looking ahead, advancements in technology and stricter environmental standards ensure a bright future for vinyl acetate and butyl acrylate. Innovations could enhance production efficiency, lower costs, and expand their use in new materials and renewable energy. Additionally, exploring their biodegradability and developing eco-friendly alternatives could mitigate environmental pollution.
vinyl acetate and butyl acrylate—as vital organic compounds—demonstrate the ingenuity of chemical engineering while confronting environmental challenges. Only through continuous innovation can these compounds better serve humanity's progress.
