Table 1 Summary of physical and mechanical properties of WF and MFLC biocomposites

From: Highly reinforced and degradable lignocellulose biocomposites by polymerization of new polyester oligomers

Sample

Thickness (μm)

Apparent density (g/cm3)

Apparent porosity (%)

Polymer gel content (wt%)

Polymer degree of crystallinity (%)

Elastic modulus (GPa)

Ultimate tensile strength (MPa)

Strain to failure (%)

c-PCL

135.3 (12.6)

1.18 (0.16)

0

43 (2)

44.0

0.5 (0.1)

11.5 (1.2)

5 (0.4)

25% WF

199.6 (16)

1.23 (0.10)

2

64 (2)

30.8

1.9 (0.3)

20.6 (2.6)

2.0 (0.2)

37% WF

161.3 (6.5)

1.21 (0.05)

7

55 (2)

30.0

2.9 (0.9)

23.8 (2.8)

2.2 (0.3)

44% WF

133.0 (6.5)

1.21 (0.06)

8

75 (4)

22.4

3.4 (0.6)

26.9 (2.4)

2.7 (0.5)

54% WF

99.7 (4.5)

1.22 (0.05)

10

83 (1)

25.3

3.6 (0.7)

39.4 (6)

2.5 (0.2)

77% HP-WF

180.4 (7.1)

1.24 (0.05)

13

34 (2)

50.7

6.6 (1.8)

82.1 (8.2)

1.7 (0.4)

27% MFLC

103.6 (5.6)

1.19 (0.06)

6

77 (2)

17.5

1.4 (0.1)

43 (1.4)

16.3 (2.3)

35% MFLC

97.6 (7.4)

1.22 (0.09)

6

69 (1)

16.2

1.4 (0.3)

53.2 (4.1)

14.6 (0.5)

41% MFLC

61.9 (2.1)

1.30 (0.04)

1

46 (2)

29.4

3.2 (0.4)

61.1 (4.6)

5.5 (0.8)

50% MFLC

56.0 (2.1)

1.30 (0.05)

3

55 (2)

20.2

3.1 (0.3)

62.0 (11.0)

6.6 (1.3)

  1. Values in parentheses are standard deviations. Degree of crystallinity of c-PCL is calculated from first heating cycle of original samples (no thermal history removal), assuming melting enthalpy of 136.4 J/g for 100% crystalline PCL.
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