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Hydroxyethyl acrylate is an unsaturated organic acid

Views:0     Author:Site Editor     Publish Time: 2021-06-09      Origin:Site

Hydroxyethyl acrylate, molecular weight of 72.06, is a kind of organic compound, colorless liquid, pungent odor, corrosive, strong acid.  It is soluble in water, ethanol and ether, but also soluble in benzene, acetone, chloroform and other properties.  

The physical and chemical properties :best 2 Hydroxyethyl acrylate HEA - YuanfarChemicals

Colorless liquid.  Strong organic acids.  It has a pungent acid taste and produces smoke.  It crystallizes acicularly below the melting point.  Molecular weight 72.06.  The density of 1.0511 g/cm3.  The melting temperature of 13.5 ℃.  Boiling points: 141.6℃, 122℃ (53.329×103Pa), 103.3℃ (26.664×103Pa), 86.1℃ (13.332× 103Pa), 66.2℃ (5.333×103Pa), 48.5℃ (2.000× 2.000 Pa)  103Pa), 39℃ (1.333×103Pa), 27.3℃ (0.667×103Pa).  Flash point 54 ℃.  The refractive index is 1.4224.  Soluble in acetone, benzene, miscible with water, ethanol, ether.  Corrosive, chemically active, unstable, easy to polymerize in oxygen, preservation can be added to hydroquinone or methoxyhydroquinone and other polymer inhibitors.  

The toxicity of hydroxyethyl acrylate:

Smoke can irritate eyes and nasal mucosa. If it sticks to the skin, it will corrode and irritate the skin. Attention should be paid when operating.  The LD50 of rats was 2590mg/kg.  

The main purpose  hydroxyethyl acrylate:

The α-β-position hydrogen of this product is easy to be replaced, and its carboxyl group can generate ester, amide, acyl chloride, acid anhydride, etc.;  Its double bond has double bond universality, chemical activity, can be homopolymerization and copolymerization, polymer is a wide range of uses, is an important chemical raw materials;  This product and its ester can be used as the monomer of polymer;  In addition, it can also be used as raw materials for adhesives, coatings, resins, etc.  By this synthetic resin can be respectively used in pharmaceutical, leather, textile, papermaking, chemical fiber, rubber, building materials, plastics, packaging materials, water treatment, oil drilling, and industrial aspects of acrylic acid is a kind of unsaturated organic acid, molecule contains carbon - carbon double bond and carboxyl structure, thus can derive a series of compounds, forming a kinds of acrylic products.  At present, it has formed a unique acrylic acid industry in the field of modern chemical industry, which has become an important derivative of propylene like polypropylene, acrylonitrile and propylene oxide.  Acrylic acid has excellent polymerization and esterification ability, which provides a very important intermediate for the synthesis and preparation of various fine chemicals.    

The main downstream products and applications of acrylic acid are introduced as follows: 

Divide general acrylic ester and special acrylic ester.  Common acrylates include methyl acrylate (MA), ethyl acrylate (EA), butyl acrylate (BA), octyl acrylate (EHA).  Special acrylates consist of esters with one or more functional groups and may contain hydroxyl, epoxy, amino, and various polyols, etc.  Acrylate is the first downstream application field of acrylic acid, because of its good light and color retention, heat resistance, weather resistance, strong adhesion, water resistance, acid and alkali resistance, adhesion resistance and environmental friendly characteristics, widely used in coatings and adhesives industry, accounting for 40% and 44% of the market share in the domestic market.  It is used as cement modifier and building sealant in construction field, and its mechanical properties, bonding strength and waterproof properties are better than polyvinyl acetate adhesive.  In the pressure sensitive adhesive industry, mainly used for paper, cloth, nonwovens, PE, PVC, OPP and other coating.  In addition, in the automotive interior decoration, electronic components, color expansion printing, electrical insulation, restripping tape and other fields have also been widely used.  The average annual growth rate of foreign pressure-sensitive adhesives is 8% ~ 10%.  

Special acrylate, acrylate hydroxyl ester is mainly HEA and HPA two, which is a hydroxyl containing acrylic functional monomer, mainly used in thermal crosslinking acrylic paint, ink and fabric processing;  Amino-acrylate used in automotive finishes;  Alkyl carbamides are used in water treatment, paper processing and paints.  Special monomer is the fastest development of polyols and acrylic esterification of two, three functional polar monomer, its characteristics are used for radiation curing, with fast drying, high strength, high decorative and no pollution emissions, suitable for high temperature curing coating.  The second most popular use of radiation curing is for decorative coatings on plastic surfaces, and to give them better hardness, durability and wear resistance.  


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