Table 10 Comparison of all tests with other literature.

From: Sustainable development of bioepoxy composites reinforced with recycled rigid polyurethane foam for mechanical, thermal, acoustic, and electromagnetic applications in a circular economy approach

Tests

Sample dimensions

Materials

Results

References

Tensile

250 × 25x5 mm3

Epoxy composite reinforced with Tamarindus

8.13 MPa

57

70 × 15 × 3 mm3

50%DPF/epoxy

25.7657 MPa

58

ASTM D638

0.25% GNP for 2 h ultrasonication

50.9 MPa

59

ASTM D2256

Epoxy + 30% jute + 70% glass

329 ± 19.8 MPa

60

ASTM D3039

Epoxy + 5% WRPU + VMT10%

10.4707 N/mm2

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Impact

ASTM D256

Chitosan (CTS) and date palm (DP) reinforced in epoxy with 40 wt.% DP CTS 20 wt.%

2.70 J/m2

61

ASTM D256

50% DPF/epoxy

98.71 J/m2

58

ASTM D256

Kevlar 1 layer on top and bottom + 14 layers of E-glass

75 kJ/m2

62

ASTM D256

Epoxy + luffa fiber (20 wt.%) + graphene (4 wt.%)

4.352 kJ/m2

63

ASTM D5942

Kolon/epoxy/SiC particles

3.21 ± 0.209 J/cm2

64

ASTM D256

Epoxy + 5% WRPU + 10% VMT

0.006 kJ/cm2

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Flexural

-

Sugarcane fiber (SCF) and tamarind seed powder (TSP) reinforced epoxy with 35 wt% SCF/15 wt% TSP

36.543 MPa

65

ASTM D790-02

DOCF15/ 0.2GNP

777 ± 49 MPa

66

ASTM D-790

Epoxy + 30 vol.% glass fiber + 1.5 wt.% clay

232.6 MPa

67

ASTM D7264

25NS-GKFRP (25 wt.% nano-silica in hybrid woven glass/UD kenaf fiber reinforced polymer composites)

126.38 MPa

68

ASTM D790

50%DPF/epoxy

32.64 MPa

69

ASTM D3039

Epoxy + 5wt%WRPU + 10wt%VMT

46.7959 N/mm2

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Dielectric constant

ASTM D2863-97

fluoro-phosphonium salt(P), melamine(M) reinforced epoxy with 2 wt.% of P and 10 wt.% of M

2.90

70

2 × 2 × 20 mm3

hollow glass microspheres(S-HGMs)

1.58

71

-

fluorinated epoxy resin (diglycidol ether of 2,4-bis (1,1,1,3,3,3-hexafluoroisopropyl) fluorobenzene (FB-EP)) with 45.7 wt.% fluorine content was synthesized from fluorobenzene, epichlorohydrin, and hexafluoroacetone

2.23

72

ASTM D150

Epoxy + 5 wt.% WRPU + 10wt.% VMT

1.111

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EMI Shielding Effectiveness

-

flame retardant epoxy resins (FREP) reinforced with carbon foam (FREP-CF)

33.5 dB

73

-

2 mm thick epoxy composite reinforced with 5 wt.% SCF along with 1 wt.% MWCNT (CNT-SCF5)

35.4 dB

74

-

addition of vermiculite in 5%, 10% and 15% of total mass of polyurethane material

–20 dB

75

0.7 mm thickness

different weight percentages of magnetite nanoparticles (Fe3O4) and cost-effective carbon black nanoparticles (CBN)

36.6 dB

76

ASTM D4935

bio-based polyamide 11/poly (lactic acid) composites with various carbon fiber (30% CF)

28 dB

77

 

ASTM D4935 (50 × 50 × 7 mm3)

Epoxy + 5wt%WRPU + 10wt%VMT

−35.246 dB

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Acoustic (NRC)

-

kenaf fiber, carbon black (CB), nickel (Ni), and bamboo charcoal (BC) reinforced epoxy with 14.0 g and 4,6,10 wt.% respectively

0.524

78

-

coal fly ash in nanoparticles varied at 5 – 25 wt. % was employed as reinforcement in the fabrication of epoxy resin composites

0.8072

79

sample thickness of 30 mm

renewable monomer and epoxy as polyol, methylene diphenyl diisocyanate (MDI) as crosslinker

0.4850

80

EN ISO 10,534–2

A binder mixture of an aerial lime type CL-90 S, designated according to the European standard UNE-EN 459–1 with lightweight aggregate vermiculite (V)

0.037 ± 0.002

81

-

pervious concrete includes cement, coarse aggregates with little or no fine aggregate

0.28

82

ASTME 1050–19

Epoxy + 5 wt% WRPU + 10wt% VMT

0.295

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Thermal conductivity

-

75 wt% jute 25 wt% snake plant reinforced epoxy composite

0.20 (W/mK)

83

-

APTES((3-aminopropyl) (triethoxysilane)-BNNS(boron nitride nanosheets)/EP 40wt%

5.86 W/mK

84

-

Epoxy + A 6%(alumina) + B 4% BNNs

0.47 W/mK

85

thickness-2.45 mm

Epoxy + jute(plain structure) with 35 + 2% fibre volume fraction

0.25 W/mK

86

ASTM D5470(25 × 25 × 5 mm3)

Epoxy + 5wt%WRPU + 10wt%VMT

0.141266291 W/mK

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Flammability

ASTM D3801

pure RPU foam, Si-oil, A33, and deionized water were first mixed with polyether polyol

v2 (fail)

27

ASTMD 3801–96

PU + VMT + polyol with isocyanate

5.5 mm/Min

v2 (fail)

40

UL 94

carbon foam/epoxy (FREP-CF)

v0 is achieved

73

UL 94

Walnut shell powder reinforced epoxy with pumice powder as filler

v2 (fail)

87

UL 94

Sisal fibre added to epoxy and ammonium phosphate as flame retardant

(5wt% to 15 wt%)

v0 is achieved

88

ASTM D3801

Epoxy + 5wt%WRPU + 10wt%VMT

6.8 mm/min

V1 (Good)

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