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International Journal of Polymer Science
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International Journal of Polymer Science
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2017
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Article
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Tab 3
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Research Article
(Bio)degradable Ionomeric Polyurethanes Based on Xanthan: Synthesis, Properties, and Structure
Table 3
Physic-mechanical characteristics of the IPU, IPU/Xa films after acid and alkaline hydrolysis.
Xa content, %
0,1 N solution of КОН
0,1 N solution of НCl
Weight loss, %
Tensile strength
σ
, МPа
Elongation at a break point,
ε
, %
Weight loss, %
Tensile strength
σ
, МPа
Elongation at a break point,
ε
, %
0
0,1
5,7
970
0,22
6,7
860
5,0
1,8
1,3
442
1,7
1,7
402
10
3,3
3,4
30
10,6
11
of the film.