| abstract |
This invention relates to the chemistry of polymers and can be used in medicine to create surgical sutures. The invention allows to obtain a modified polyglycolide for surgical monofilament yarns with a low biodegradation rate (strength reduction in 14 days is 50-70%), which is achieved by polymerization of glycolide in bulk under the action of tin dichloride dihydrate when heated to 160-180 ° C in the presence of 0.5-0.5% by weight of polyoxyethyleneglycol monoester glycolide of general formula RCO 3 - C 17H 37n n n N = 10-30. 2 TABLE. |