Contact with resin may cause mild irritation of skin. Polyscience, powered by polyscope polymers from the netherlands is an official sponsor of the smalp network. The top countries of supplier is south africa, from which the percentage of styrene maleic anhydride supply is 3% respectively. Styrene maleic anhydride sma compounds have long been used as moulding resins in the automotive, packaging, and building and construction industries, and maleic anhydride itself is a wellknown coupling agent between glass or natural fibres and resin matrices. Articles of styrene maleic anhydride copolymer are included as well. The main characteristics of sma copolymer are its transparent appearance, high heat resistance, high dimensional stability, and the specific reactivity of the anhydride groups. The top countries of supplier is south africa, from which the percentage of. Both forms of the polymer are widely used in industry and they have many different applications. Xiran resins have mw from 5,000250,000 gmol with a varying maleic. Lipodisq polymers are capable of forming nanosized lipidbased discoidal particles capable of incorporating membrane proteins.
Styrene maleic anhydride manufacturers, polyvinyl butyral resin manufacturers, polystyrene manufacturers, polychem limited, manufacturers, high impact polystyrene exporters sponsored links thirumalai chemicals limited. Home polyscope global leader in styrene maleic anhydride. The modified copolymers were characterized by spectral, thermal and xray analyses. Maleic anhydride copolymers mac are specialty resins derived from copolymerization of maleic anhydride and a vinyl monomer. Styrene maleic anhydride copolymer the latest price quotation, cas no. Styrenemaleic anhydride copolymer product ingredients. Synthesis of unsaturated polyester resin effect of anhydride composition abdeen ahamad, mary lubi c. This product is the anhydride form of the sma copolymer 1. Us4506056a maleic anhydridemodified polymers and process. Contact with resin may cause mild irritation of eyes.
Show this safety data sheet to the doctor in attendance. Styrene acrylonitrile resin is a copolymer plastic consisting of styrene and acrylonitrile. Apr 01, 2019 a for the purpose of this section, styrene maleic anhydride copolymers are those produced by the polymerization of styrene and maleic anhydride so that the finished polymers meet the specifications prescribed in paragraph b of this section, when tested by the methods described in paragraph c of this section. Contact with maleic anhydride vapour will cause severe skin irritation. Panjiva uses over 30 international data sources to help you find qualified vendors of styrene maleic. A process for the preparation of carboxylcontaining polymers comprising mixing together maleic anhydride, a free radical initiator, an additive which inhibits the homopolymerization of maleic anhydride but not that of methyl methacrylate below about 100 c. These two monomers can be mixed in a bulk process and induced to polymerize under the action of freeradical initiators. Contact with maleic anhydride vapour will cause severe eye irritation. Maleic resins coatings ingredients selection specialchem. First aid measures general advice consult a physician. Styrene maleic anhydride sma is known as a polymer that enhances heat deflection of polymers like pvc that are amorphous. Since it biodegrades in sewage treatment plants and hydrolyzes, its likely that it will degrade in soil. Search results for styrene maleic anhydride at sigmaaldrich.
Synthesis and characterization of styrene maleic anhydride copolymer derivatives thesis presented in partial fulfillment of the requirements for the degree of master of science polymer chemistry by khotso mpitso university of stellenbosch faculty of science department of chemistry and polymer science september 2009. Styrenemaleic acid sma is the hydrolyzed form of the styrenemaleic anhydride smanh copolymer, which is synthesized by the copolymerization of styrene and maleic anhydride monomers fig. Standard test method for acid number of styrenemaleic. The monomers can be almost perfectly alternating, making it an alternating copolymer, but random copolymerisation with less. Synthesis and characterization of styrene maleic anhydride. Sma can also be used as compatibilizer in amorphous thermoplastics and copolymers to improve thermal performance, surface polarity and miscibility with other resins in blends and alloys. Shows high softening point point, high gloss, weather resistance, alcohol solubility.
The absorption process was followed using atomic absorption spectrometry. Article views are the countercompliant sum of full text article downloads since november 2008 both pdf and html across all institutions and individuals. Styrene maleic anhydride copolymer, a thermoplastic resin produced by the copolymerization of styrene and maleic anhydride. Styrenemaleic anhydride copolymer is a polymer of styrene and maleic anhydride monomers. Surfactantfree artificial latexes from modified styrenemaleic anhydride sma copolymers article pdf available in polymer 4722. The obtained product was used for cd ii, cu ii and pb ii uptake from aqueous solutions. The discovery that copolymers composed of styrene and maleic acid groups can solubilize native lipid. Surfactantfree artificial latexes from modified styrene.
Dec 18, 2017 styrene maleic anhydride resin with a molar ratio styrene maleic anhydride close to 11. For many years, styrene maleic anhydride sma copolymers have been successfully used as both dispersants for waterbased pigment dispersions and as transfer additives in flexographic printing inks. Poly styrenemaleic anhydride sma copolymer was modified by reacting the anhydride group with two diamines derivatives. Sma 3000 h solution styrene maleic anhydride copolymer solution sma 3000 h solution typical physical and chemical properties appearance clear liquid solids, wt. Maleic anhydride appears as colorless crystalline needles, flakes, pellets, rods, briquettes, lumps or a fused mass. The resulting particle sizes and levels of coagulum were measured to determine the optimum conditions for incorporation of the sma resins into the resulting latexes. These metrics are regularly updated to reflect usage leading up to the last few days. Styrene maleic anhydride sma is an excellent compatibilizer. Certificate of analysis coa product information sheet pdf specification sheet pdf similar products. In addition to this, polyscope supplies styrene maleic anhydride and nphenylmaleimide smanpmi terpolymers. The result is a polymer with an alternatingblock structure, in which. The product had a low polydispersity and a predetermined molar mass. Styrenemaleic anhydride copolymer aldrichcpr sigma. Identification of the substance maleic anhydride cas number 108316 1.
Dec 06, 2015 styrenemaleic acid sma is the hydrolyzed form of the styrenemaleic anhydride smanh copolymer, which is synthesized by the copolymerization of styrene and maleic anhydride monomers fig. While studies on the use of sma copolymers as dispersants have been well documented, a thorough analysis of the use of sma copolymers as. Maleic anhydride is a cyclic dicarboxylic anhydride that is the cyclic anhydride of maleic acid. D3644 06 standard test method for acid number of styrene maleic anhydride resins, acid number, free acid, polish, resins, sma resins, styrene maletic anhydrid resin, titration. It is a cyclic dicarboxylic anhydride and a member of furans.
Polyscope has the broadest portfolio of styrene maleic anhydride sma copolymers, also known as poly styrene co maleic anhydride, compounds and aqueous solutions. Purified styrenemaleic anhydride polymer binder johns. Safety data sheet northwest missouri state university. Maleic anhydride is a white solid obtained by the oxidation of benzene or butane. A rigid, heatresistant, and chemicalresistant plastic, it is used in automobile parts, small appliances, and foodservice trays. A wide variety of styrene maleic anhydride options are available to you, there are 1 suppliers who sells styrene maleic anhydride on, mainly located in asia. Quality supplier of research chemicals and biochemicals including inhibitors, building blocks, gmp products, impurities and metabolites, apis for veterinary, natural compounds, adcs, stem cell molecule and chiral compounds. For thermoset products, the resultant resin was blended with styrene for crosslinking and small amount of peroxide as initiator. Styrenemaleic anhydride resin with a molar ratio styrenemaleic anhydride close to 11. Application lipodisq reagents are novel polymers derived from styrene and maleic acid. Maleic anhydride copolymers mac are specialty resins derived from copolymerization of maleic anhydride and a. Styrenemaleic anhydride copolymer aldrichcpr sigmaaldrich. A combination of these processes should be important. It is widely used in place of polystyrene owing to its greater thermal resistance.
Polyscope is the global leader in research, product development, production and supply of styrene maleic anhydride sma copolymers, compounds, aqueous solutions and styrene, maleic anhydride and nphenylmaleimide smanpmi terpolymers. Polyanhydride resins styrenemaleic anhydride and other resins properties. How do i make a solution of styrenemalefic anhydride. Sma ma is a low molecular weight styrene maleic anhydride amic acid resin which exhibits a unique combination of properties. A new styrene maleic anhydride copolymer additive 2018. Msds of the product maleic anhydride for eastern and western europe, but with excellent opportunities for export outside of europe. The monomers can be almost perfectly alternating, making it an alternating copolymer, citation needed but random copolymerisation with less than 50% maleic anhydride content is also possible. Styrenemaleic anhydride copolymer, a thermoplastic resin produced by the copolymerization of styrene and maleic anhydride. An aqueous binding composition for a fibrous material comprising purified styrene maleic anhydride which has been purified using an azeotrope method to reduce the amount of cumene and acetophenone by forming an aqueous and toluene solution of the styrene maleic anhydride and an azeotrope. Styrene maleic manufacturers suppliers of styrene maleic. Styrene maleic anhydride, resin chemical information, properties, structures, articles, patents and more chemical data. Poly styrene maleic anhydride sma copolymer was modified by reacting the anhydride group with two diamines derivatives.
Maleic anhydride is a colorless to white solid that forms orthorhombic crystals and decomposes in water. Styrene maleic anhydride sma or smanh is a synthetic polymer that is builtup of styrene and maleic anhydride monomers. Citations are the number of other articles citing this article, calculated by crossref and updated daily. Styrene maleic anhydride mumbai polychem limited id. Unlike detergents, which tend to strip away most or all of the lipids in the immediate environment of a membrane protein, sma extracts. Unsaturated polyester resin for specialty applications. Maleic anhydride 72 has been used extensively in the textiles and fibers industry. Jun 06, 2018 for many years, styrene maleic anhydride sma copolymers have been successfully used as both dispersants for waterbased pigment dispersions and as transfer additives in flexographic printing inks. Sma resins are used in diverse applications such as paper sizing, powder coating.
Synthesis of unsaturated polyester resin effect of. Maleic anhydride released into water will hydrolyze rapidly halflife 0. Solubilisation of biological lipid bilayer membranes for analysis of their protein complement has traditionally been carried out using detergents, but there is increasing interest in the use of amphiphilic copolymers such as styrene maleic acid sma for the solubilisation, purification and characterisation of integral membrane proteins in the form of proteinlipid nanodiscs. Sma multifunctional resins are a family of low molecular weight resins which include styrenemaleic anhydride, amic acids, imides, copolymer base resins, partial esters of the base resins and aqueous ammonia salt solutions of the base resins and ester resins. A new styrene maleic anhydride copolymer additive 201806. Styrenemaleic anhydride copolymer chemical compound. Controlled radical copolymerization of styrene and maleic. Polyanhydride resins styrene maleic anhydride and other resins properties. If inhaled if breathed in, move person into fresh air. The chains of the polymer show alternating repeat units of styrene and acrylonitrile, and it is a copolymer. The chains of the polymer show alternating repeat units of. Styrenemaleic anhydride copolymers identified in paragraph a of this section may be safely used as articles or components of articles intended for use in contact with food, subject to provisions of this section. D3644 06 standard test method for acid number of styrenemaleic anhydride resins, acid number, free acid, polish, resins, sma resins, styrenemaletic anhydrid resin, titration.
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