Preparation, Properties and Applications of Unsaturated Polyesters

Johnson, Kim (Zeimet); Le, Yang

doi:10.1002/0470090685.ch21

Cited by 24 publications

(25 citation statements)

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“…Unsaturated polyesters resin (UPR) composites have been widely used in marine, automotive, and building industries due to their high chemical resistance, good processability, high mechanical properties, and adequate ageing resistance . For improving the performance of the UPR composites, different additives, fillers, and reinforcements have been proposed .…”

Section: Introductionmentioning

confidence: 99%

Thermal, mechanical, and viscoelastic properties of recycled poly(ethylene terephthalate) fiber‐reinforced unsaturated polyester composites

et al. 2016

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Recycled polyethylene terephthalate (PET) fiber has been used as reinforcing filler for unsaturated polyester resin (UPR) in order to obtain UPR/PET fiber composites. Different loadings of PET fibers (5-18 phr-parts per hundred parts of resin) of different average lengths (2-3 to 20 mm) were added to the UPR. The mechanical properties of the UPR/PET fiber composites increased up to 8 phr PET fiber loading with a length lower than 5 mm, because of the high affinity between the UPR and the PET fiber surface and the good dispersion of the fiber into the matrix. However, higher PET fiber loading caused a decrease in the mechanical properties of the composites because of the agglomeration of the fibers. The UPR/PET fiber composites presented higher storage moduli than the UPR, and an increase of the glass transition temperature in the composites reinforced with 5-8 phr of short PET fiber was found; further, higher degree of crosslinking was reached. The addition of 5-8 phr PET fiber of short length improved the thermal stability of the composites and the post-curing was produced at higher temperature with much reduced enthalpy.

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Section: Introductionmentioning

confidence: 99%

Thermal, mechanical, and viscoelastic properties of recycled poly(ethylene terephthalate) fiber‐reinforced unsaturated polyester composites

et al. 2016

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“…Available references report a large number of materials being used as fillers in order to enlarge the applied range of UPE . The use of wood fiber as a reinforcing material was limited by its high moisture sorption, poor dimensional stability, low thermal resistance, isotropic fiber resistance, and variability of composition . The main reason for thes limitations is its hydrophilicity.…”

Section: Introductionmentioning

confidence: 99%

Chemical treatment of wood fiber and its reinforced unsaturated polyester composites

Zhang

Cui

Zhang

2013

Vinyl Additive Technology

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In order to enhance the interfacial adhesion between wood fiber and an unsaturated polyester matrix (UPE), acrylic acid (acrylic acid)/poly(methyl methacrylate), and (acrylic acid)/silanization (AAS) were used to treat the wood fibers. The mechanical properties and the impact fracture surfaces of the prepared composites were measured and characterized, and the fracture mechanism of these kinds of composites was analyzed. The results showed that the AAS composites possessed the optimum comprehensive mechanical properties. When the weight fraction of wood fiber was 16%, the flexural strength and flexural modulus of the AAS composites were increased by 28.9 and 51.8%, respectively, compared to those of untreated composites. The highest tensile strength and lowest water absorption were also noted for AAS composites. These composites possessed the strongest interfacial adhesion between wood fiber and the UPE matrix. J. VINYL ADDIT. TECHNOL., 19:18–24, 2013. © 2013 Society of Plastics Engineers

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“…Dicyclopentadiene is one of the most popular reagents used for synthesis because of its reactivity, accessibility, and low cost. It is utilized for the preparation of, e.g., acidic esters, secondary alcohols which serves as intermediate compounds for polymer preparation [10][11][12]. The chemical modification of dicyclopentadiene-based products with organic peracids allows obtaining high reactive epoxy derivatives during cure due to the high ring strain of epoxycyclopentenyl groups.…”

Section: Introductionmentioning

confidence: 99%

Thermal and viscoelastic properties of novel epoxy-dicyclopentadiene-terminated polyesters-styrene copolymers

Worzakowska

2012

J Therm Anal Calorim

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This article presents the studies on the thermal and viscoelastic properties of novel epoxy-dicyclopentadiene-terminated polyesters-styrene copolymers. The novel materials were prepared during a three step process including the addition reaction of maleic acid to norbonenyl double bond of dicyclopentadiene; polycondensation of acidic ester of dicyclopentadiene, cyclohex-4-ene-dicarboxylic anhydride, maleic anhydride, and suitable glycol: ethylene, diethylene, or triethylene glycol; and the epoxidation process of prepared polyesters. It allowed obtaining novel epoxy-dicyclopentadiene-terminated polyesters which were successfully used as a component of different styrene content (10-80 mass%) copolymers. The influence of the structures of polyester and styrene content on the cross-linking density (v e ), tgd max , tgd max height, storage modulus (E 0 20°C ), FWHM values as well as the thermal stability of copolymers was evaluated by TG, DSC, and DMA analyses and discussed.

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Preparation, Properties and Applications of Unsaturated Polyesters

Cited by 24 publications

References 0 publications

Thermal, mechanical, and viscoelastic properties of recycled poly(ethylene terephthalate) fiber‐reinforced unsaturated polyester composites

Thermal, mechanical, and viscoelastic properties of recycled poly(ethylene terephthalate) fiber‐reinforced unsaturated polyester composites

Chemical treatment of wood fiber and its reinforced unsaturated polyester composites

Thermal and viscoelastic properties of novel epoxy-dicyclopentadiene-terminated polyesters-styrene copolymers

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