FIELD: polymer materials.
SUBSTANCE: invention relates to a composition for producing a biodegradable polymer film material and can be used in biomedicine and pharmacology, for example, disposable instruments, packaging materials, capsules, food industry, for example, packaging material and essential goods, agriculture, for example, biodegradable films. Composition for producing biodegradable polymer film material contains the following components at the following ratio, wt.%: starch 0.3–0.7, NaCMC 0.75–1.5, polyvinyl alcohol 0.8–1.8, glycerine 1.8–3.5, citric acid 0.07–0.17, water—the rest. Invention also relates to a biodegradable polymer film material based on a composition for producing a biodegradable polymer film material.
EFFECT: high strength of the obtained film, namely, high breaking stress and low degree of sorption of water vapors.
2 cl, 1 tbl, 12 ex
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