FIELD: chemistry.
SUBSTANCE: invention concerns technology for obtaining polyvinyl alcohol films, particularly composition for film modification intended for enhanced fire and heat resistance, and can be applied in various fields of industry, science, technology and agriculture. Claimed composition includes 5-10% aqueous solution of methylphosphite borate and 5-10% aqueous solution of chitosan at the following component ratio, weight parts: methylphosphite borate - 5-10; chitosan - 5-10; water - 190-180.
EFFECT: improved fire and heat resistance of polyvinyl alcohol films.
2 tbl, 3 ex
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Authors
Dates
2009-05-20—Published
2007-12-27—Filed