Poly(methyl vinyl ether-alt-maleic anhydride)
Methyl vinyl ether|maleic anhydride copolymer
CAS: 9011-16-9
Molecular Formula: C7H8O4
Poly(methyl vinyl ether-alt-maleic anhydride) - Names and Identifiers
| Name | Methyl vinyl ether|maleic anhydride copolymer |
| Synonyms | 2,5-Furandione,polymerwithmethoxyethene (Malricanhydride-methylvinylether)copolymer Poly(methul vinyl enter-alt-maleic anhydride) POLY(METHYL VINYL ETHER-ALT-MALEIC ANHYDRIDE) Poly(methyl vinyl ether-alt-maleic anhydride) Poly(Methyl vinyl ether-alt-Maleic anhydride) average Mw ~216,000, average Mn ~80,000 |
| CAS | 9011-16-9 |
| EINECS | 241-473-5 |
| InChI | InChI=1/C4H2O3.C3H6O/c5-3-1-2-4(6)7-3;1-3-4-2/h1-2H;3H,1H2,2H3 |
Poly(methyl vinyl ether-alt-maleic anhydride) - Physico-chemical Properties
| Molecular Formula | C7H8O4 |
| Molar Mass | 156.14 |
| Boling Point | 202°C at 760 mmHg |
| Flash Point | 103.3°C |
| Solubility | several organic solvents and in water upon hydrolysis: soluble |
| Vapor Presure | 0.299mmHg at 25°C |
| Appearance | powder |
| Color | White |
| Storage Condition | 2-8℃ |
Poly(methyl vinyl ether-alt-maleic anhydride) - Risk and Safety
| Hazard Symbols | T - Toxic |
| Risk Codes | R45 - May cause cancer R46 - May cause heritable genetic damage R48/20/21/22 - |
| Safety Description | S53 - Avoid exposure - obtain special instructions before use. S36/37 - Wear suitable protective clothing and gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| WGK Germany | 3 |
| HS Code | 39119000 |
Poly(methyl vinyl ether-alt-maleic anhydride) - Preparation Method
Open Data Verified Data
The maleic anhydride monomethyl vinyl ether copolymer, glycerin, water and ethoxylated nonylphenol were heated in a polyethylene bag at 60 ° C. And then cooled to obtain an adhesive.
Last Update：2022-01-01 11:08:51
Poly(methyl vinyl ether-alt-maleic anhydride) - Use
Open Data Verified Data
The adhesive has good adhesion to the skin, good adhesion to glass, paper and bandage, and it is difficult to remove the skin (pull the scalp), and the skin is excellent.
Last Update：2022-01-01 11:08:51
Poly(methyl vinyl ether-alt-maleic anhydride) - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Overview | Because of the good chemical stability, adhesion, cohesion, water retention and film-forming properties (the film is easy to peel off) as well as non-toxic and harmless to the human body and other excellent properties, methyl vinyl ether-maleic anhydride copolymer has been in medicine, agriculture and fine chemicals have been widely used in many fields. Alternating methyl vinyl ether/maleic acid copolymer, white loose powder solid at normal temperature and pressure; Soluble in water, acid, tetrahydrobevia, butanone and other organic solvents; Density 0.329/cm3, relative density of 1.37; Softening point of 200~225 deg C; PH (free acid, 5% water). At present, the largest manufacturer of methyl vinyl ether-maleic anhydride copolymer in the world is the United States International Special Products Company (IsP, ntie emo Delta®), formerly known as GAF company. They developed a range of MVE polymer products. The production of this series of products is first carried out by co-polymerization of MVE and maleic acid to form AN series of products, with different molecular weight distributions for different uses. S, ES, MS series products are then prepared by reacting AN with water, alcohol, or calcium/sodium ions, respectively. With the increasing demand for environmental protection, the demand for methyl vinyl ether-maleic anhydride copolymer will increase. In some studies, an alternating copolymer of methyl vinyl ether (MVE) and maleic anhydride (MAN) was synthesized by solution free radical copolymerization. The effects of solvent, polymerization temperature and reaction time on the yield and intrinsic viscosity of the product were analyzed, The synthesis conditions of PMVMA were discussed, and the structure of the copolymer was characterized by FT-IR and 13C-NMR, the rate of change of refractive index of methyl vinyl ether-maleic anhydride copolymer with solution concentration in tetrahydrofuran and water was also determined. To determine the relative molecular mass of the copolymer, the appropriate mobile phase was selected to provide the basis. |
| solubility | solubility of methyl vinyl ether-maleic anhydride copolymer in water, ethanol and isopropanol, see Table 2-3. The AN form copolymer is insoluble in water and dispersed into a uniform slurry. In fact, the AN form copolymer, under certain conditions, is rapidly hydrolyzed in contact with water and converted into a clear solution in the form of a free acid s. |
| Use | is commonly used as film formers, dispersants, emulsifiers, thickeners, binders, flocculants and complexing agents. |
Last Update：2024-04-10 22:39:43
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CAS: 9011-16-9
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