Polyisoprene gasket directly contacted with medicinal liquor

Abstract

The invention discloses a polyisoprene gasket directly contacted with medicinal liquor and belongs to the technical field of medicinal and pharmaceutical substances. The polyisoprene gasket is prepared from the following components in parts by weight: 80-100 parts of isoprene rubber, 15-20 parts of kaolin, 5-10 parts of white carbon black, 0.3 part of carbon black, 3 parts of titanium dioxide and 1.3 parts of a vulcanizing agent. The polyisoprene gasket disclosed by the invention has the advantages that the gasket adopts high-cleanness isoprene rubber and overcomes the defect that a conventional isoprene gasket is easily separated out; a brand new formula design is adopted to satisfy the related requirement that the gasket is directly contacted with a transfusion drug; when an inner cover of a medicinal transfusion combined cover is not used, the resistance in the process that a nurse punctures is reduced in an assistant manner, and the probability of puncture exfoliation is reduced, so that the polyisoprene gasket is suitable for being used in hospitals.

Description

technical field [0001] The invention relates to the technical field of medical supplies, in particular to a polyisoprene gasket directly in contact with liquid medicine. Background technique [0002] Isoprene is clean, transparent, good processability and adhesion, polyisoprene elastomer is a synthetic polymer, mainly stereoregular polymer, molecular structure and performance are similar to natural rubber, with high cis There are three main types of synthetic polyisoprene rubber (IR) with -1,4 content: 1) Ziegler-NattaIR, polymerized with titanium / aluminum catalysts, 2) anionic IR, polymerized with alkyllithium as an initiator, 3) Rare earth IR, polymerized with rare earth catalysts. [0003] The traditional combination cap for medicinal infusion is composed of: outer cap + isoprene gasket + inner cap. Because the inner cap is made of PP material, it is difficult to puncture in actual use, and the puncture debris is relatively large, causing certain damage to the infusion...

AI Technical Summary

Problems solved by technology

[0003] The traditional combination cap for medicinal infusion is composed of: outer cap + isoprene gasket + inner cap. Because the inner cap is made of PP material, it is difficult to puncture in actual use, and the puncture debris is relatively large, causing certain damage to the infusion. In order to solve this problem, we have completed the development of the medicinal infusion combination cap to cancel the inner cover part, so the gasket that can directly contact the medicinal liquid is required to seal the medicine