Processable heat‐resistant polymers, 10. Synthesis and characterization of an unsaturated polyesterimide containing 1,5‐dioxoisoindoline‐2,5‐diyl units

Maiti, Sukumar; Ray, Aniruddha; Maiti, Manoranjan

doi:10.1002/macp.1982.021831208

Cited by 7 publications

(1 citation statement)

References 20 publications

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“…Rosin is used to obtain new polymers such as polyesterimides [25] and polyamidimide [26]. It is also incorporated in some formulations of unsaturated polyester, but in small quantities [27]. A large Applied Mechanics and Materials Vol.…”

Section: Rosin Based Compositesmentioning

confidence: 99%

Rosin Product Review

Mahendra

2019

AMM

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Rosin is the non-volatile exudate of pine resin with hydrophobic characteristics that are widely used and modified as a precursor for many industrial applications such as paints, inks and adhesives. The review paper discusses the rosin, its nature, processing, production material development for green science. The composite materials have been designed and tailored with respect to desired applications to offer a potential replacement of petrochemical use. Rosin consists of different resin acids that can undergo isomerisation at elevated temperatures and interchange its form, which, can be used as a rigid building block to manipulate their mechanical properties and crystallisation behaviours. Modified rosin epoxy binders have been recognised as materials with resistance to a wide variety of chemical conditions that can be used to fabricate a variety of reinforced constructions. Rosin has been employed in foam making in addition to composite material, depicting its ability as a crosslinker.

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Section: Rosin Based Compositesmentioning

confidence: 99%

Rosin Product Review

Mahendra

2019

AMM

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Heat‐Resistant Polymers

Cassidy

Aminabhavi

Reddy

2000

Kirk-Othmer Encyclopedia of Chemical Technology

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The intensive interest in heat‐resistant polymers results from new technological processes requiring higher use temperatures for development. Thermally stable or high performance polymers dictate high melting (softening) temperatures, resistance to oxidative degradation at elevated temperature, resistance to other (nonoxidative) thermolytic processes, and stability to radiation and chemical reagents. A number of thermally stable polymers have been synthesized, but in general the types of structures that impart thermal resistance also result in poor processing characteristics. Attempts to overcome this problem have largely been concentrated on the incorporation of flexible groups into the backbone or the attachment of stable pendent groups. Among the class of polymers claimed to be thermally stable only a few have achieved technological importance, some of which are polyamides, polyimides, polyquinoxalines, polyquinolines, and polybenzimidazoles. Of these, polyimides have been the most widely explored.

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Synthesis of a novel polyesterimide

Dolui

Pal

Maiti

1985

J of Applied Polymer Sci

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SynopsisA new polyesterimide has been synthesized from trimellitic acid anhydride, diaminodiphenylsulfone, and bisphenol-A following three different routes. Solubility behavior in different solvents, solution viscosity, density, crystallinity, and thermal and electrical properties of the polyesterimide have been discussed. Results indicate that the polyesterimide thus prepared has medium thermal stability. Synthesis of MonomersSynthesis of Bisphenoldiacetate (BPDA). Typical charge consists of 20 g (0.087 mol) bisphenol A, 60 mL (0.54 mol) acetic anhydride, and 8 drops of concentrated sulfuric acid. The reactants were taken in a 250 mL threenecked flask equipped with a stirrer, a thermometer, and a reflux condenser. The reaction mass was heated and stirred for 30 min at the reflux temperature of acetic anhydride. After the reaction was over, the product was

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Processable heat‐resistant polymers, 10. Synthesis and characterization of an unsaturated polyesterimide containing 1,5‐dioxoisoindoline‐2,5‐diyl units

Cited by 7 publications

References 20 publications

Rosin Product Review

Rosin Product Review

Heat‐Resistant Polymers

Synthesis of a novel polyesterimide

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