Front Matter

 

248 Introduction to Renewable Biomaterials

Table 8.7Composition of polyethylene/

thermoplastic starch blend with and without

zeolite 5A in the amount of 1–3–5%.

Samples

LLDPE

(wt%)

TPS

(wt%)

Zeolite

5A (wt%)

PE 100 – –

TPS – 100 –

PE/TPS 70 30 –

PE/TPS/Z1 69.3 29.7 1

PE/TPS/Z3 67.9 29.1 3

PE/TPS/Z5 66.5 28.5 5

Thipmanee and Sane 2012 [27]. Reproduced with

permission of John Wiley and Sons.

PE

a

c

c

b b

b

a a

c

a

Tensile strength (MPa) Elongation at break (%)

(^00)
200
300
400
500
5 100
10
15
20
25
30
35
PE/TPS PE/TPS/Z1 PE/TPS/Z3PE/TPS/Z5
(a) (b)
PE PE/TPS PE/TPS/Z1 PE/TPS/Z3 PE/TPS/Z5
Figure 8.4(a) Tensile strength of low-density polyethylene/thermoplastic starch with and without
zeolite 5A. (b) Elongation at break of low-density polyethylene/thermoplastic starch blend with and
without zeolite 5A. Thipmanee and Sane 2012 [27]. Reproduced with permission of John Wiley and
Sons.
Table 8.8Glass transition temperature and
crystallization temperature of low-density
polyethylene/thermoplastic starch blend with and
without zeolite 5A.
Samples (numbers
represent ratios) Tg(∘C) Tc(∘C)
PE 100 – 122.1±0.2
TPS 100 51.6±1.4 –
PE 70/TPS 30 47.4±1.9 108.1±0.2
PE 69.3/TPS 29.7/Z 1 43.0±0.9 108.3±0.3
PE 67.9/TPS 29.1/Z 3 44.2±1.0 107.6±0.5
PE 66.5/TPS 28.5/Z 5 43.4±1.2 105.1±1.1
Thipmanee and Sane 2012 [27]. Reproduced with
permission of John Wiley and Sons.