FIELD: composite materials.
SUBSTANCE: invention relates to a method for producing a rigid polyvinyl chloride composition using wood flour as organic filler for the manufacture of highly filled wood-polymer materials. The method includes the preparation of a polymer composition based on PVA, a modifier of impact strength, a heat stabilizer, a stabilizer-lubricant, wood flour and mesoporous silicate as a binding agent. Wood flour is obtained by preliminary dry mixing of wood flour with powdered mesoporous silicate of the MSM-41 type.
EFFECT: resulting wood-polymer composites have increased tensile strength and thermal stability, as well as reduced melt viscosity.
1 cl, 1 tbl, 3 ex
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