Assertion: carboxymethyl cellulose's property | /r/HasProperty | due
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Source sentences:
text: Without being bound by theory, it is believed that the above-mentioned rheological properties are due to the presence of poorly or non-substituted parts (i.e. hardly any or no carboxymethyl substitution on that part of the cellulose) and of significantly more highly substituted parts of the CMC according to the invention.