Liquid rubber modified vinyl ester resins: fracture and mechanical behavior

Auad, Marı́a L.; Frontini, Patricia María; Borrajo, Julio; Aranguren, Mirta I.

doi:10.1016/s0032-3861(00)00773-4

Cited by 82 publications

(73 citation statements)

References 16 publications

(23 reference statements)

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…• Copolymerization with epoxy (EP) resin • Blending CE resin with thermoplastic resins, for example polysulfone [5,6], polyarylate [7], poly(ether imide) [8], polycarbone, polyamide and so on • Application of reactive elastomers [9,10].…”

Section: Introductionmentioning

confidence: 99%

Curing of dicyanate ester/epoxy copolymers modified with polysiloxane and butadiene-acrylonitrile rubbers

Szeluga

Moryc

2011

J Therm Anal Calorim

View full text Add to dashboard Cite

The cyanate ester (CE) and epoxy (EP) resins were cured together at various mass compositions. The curing behavior of CE and CE/EP systems was studied by means of differential scanning calorimetry (DSC) in nonisothermal conditions. The DSC measurements indicated that the curing reactions were dependent on the stoichiometric ratio of the mixtures and showed the dilution effect of the EP resin in the cyclotrimerization of the catalyzed CE resin. The CE and CE/EP (70/30) systems were modified using reactive liquid butadiene-acrylonitrile copolymer (ETBN) and polysiloxane core-shell (PS) elastomer. The influence of ETBN and PS on the curing process and glass transition temperature (T g ) of CE/EP systems was determined. The impact resistance characteristics of the completely cured systems indicated the influence of the modifiers and the EP content in the mixtures on its impact resistance.

show abstract

Section: Introductionmentioning

confidence: 99%

Curing of dicyanate ester/epoxy copolymers modified with polysiloxane and butadiene-acrylonitrile rubbers

Szeluga

Moryc

2011

J Therm Anal Calorim

View full text Add to dashboard Cite

show abstract

“…Most published data on cast resins studied ageing mechanisms without correlating degradation to mechanical properties. Few works on water absorption of vinyl ester resins presented the effect of the hygrothermal ageing on the mechanical properties of the neat resin 4,6,7 Materials Research and on the fracture surface 8 . Additionally, fracture surface appearance of epoxy systems has been studied [9][10][11] and has been correlated to the failure mechanisms 10 , although no similar studies have been found for vinyl-ester systems.…”

Section: Introductionmentioning

confidence: 99%

The effects of water absorption on an ester vinyl resin system

Sobrinho¹,

Ferreira²,

Bastian³

2009

Mat. Res.

View full text Add to dashboard Cite

Derakene is a vinyl ester resin largely employed as matrix for polymeric based composite systems. In this work, the performance of such polymeric system was evaluated considering the effect of hygrothermal aging. The mechanical and thermal properties were examined for the processed material before and after ageing in water at 60 °C for a maximum period of 64 days. Both analyses indicated the occurrence of post cure of the system after 16 days due to exposition at 60 °C in water, which was also confirmed by analyses in samples with post cure treatment. Moreover, it was observed plasticizing of resin after 36 and 64 days of ageing. Micro structural and fracture surface analyses were carried out in order to characterize the samples. The appearance of surface voids was also observed.

show abstract

“…They not only reduced the stress bearing areas but also acted as stress raisers, initiating the cracks [4]. Auad et al found that the flexural strength of neat divinyl ester resin (DVES) was 88.18 MPa, which was also not far from that obtained by Ray et al [5]. They modified the flexural properties of divinyl ester resin with carboxyl terminated poly (butadiene-co-acrylonitrile) (CTBN) and vinyl terminated poly (butadiene-co-acrylonitrile) (VTBN) respectively.…”

Section: Resultsmentioning

confidence: 90%

“…They then dropped either moderately for VTBN modified composites or drastically for CBTN modified composites. For VTBN modified composite, the flexural strength increased again after 7.5 % by weight of reinforcer [5]. Figure 1 shows the flexural strength of Sphericel 60P18 filled epoxy composites.…”

Section: Resultsmentioning

confidence: 96%

A Pilot Study on the Flexural Properties of Vinyl Ester Composites Filled with Glass Powder

Trada

Huq

2010

AMR

View full text Add to dashboard Cite

Abstract.Vinyl ester resin was filled with of glass powder with a view to increasing the flexural strength of the composites for civil and structural applications by a research Centre on composites, University of Southern Queensland (USQ). In order to reduce costs, the Centre wishes to fill as much glass powder as possible to the resin subject to maintaining sufficient strength of the composites in civil and structural applications. This project varies the percentage by weight of the glass powder in the composites, which are then subjected to flexural tests. The flexural strength and strain of the glass powder filled vinyl ester composites decreased with increasing filler content but the flexural modulus was highest at 20 w/t % of glass powder. Scanning Electron Microscope (SEM) was used to analyze the fractured samples and it was found that the fractured surfaces examined were correlated with the flexural properties.

show abstract

Liquid rubber modified vinyl ester resins: fracture and mechanical behavior

Cited by 82 publications

References 16 publications

Curing of dicyanate ester/epoxy copolymers modified with polysiloxane and butadiene-acrylonitrile rubbers

Curing of dicyanate ester/epoxy copolymers modified with polysiloxane and butadiene-acrylonitrile rubbers

The effects of water absorption on an ester vinyl resin system

A Pilot Study on the Flexural Properties of Vinyl Ester Composites Filled with Glass Powder

Contact Info

Product

Resources

About