Medical sponge formula and preparation process

A sponge and seaweed technology, applied in the field of medical sponges, can solve the problems of unreasonable product layout and inability to provide a variety of different heat, and achieve the effect of antibacterial, advancing and improving hemostasis

Inactive Publication Date: 2017-03-08
上海馨源新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a medical sponge formula and production process to solve the problem of unreasonable product layout and inability to provide a variety of different heats proposed in the background technology

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1: It is made from the following raw materials with the optimal ratio in parts by weight: 80 parts of polyether polyol, 20 parts of polymer polyol, 0.5 part of catalyst, 1 part of algal sodium silicate, 8 parts of chitin, silicone oil 1.8 parts, 4.5 parts of blowing agent, 60 parts of toluene diisocyanate. Through reproduction and processing, it is cut into the required sample shape, and the effect of wound treatment in medical treatment is more obvious.

[0027] By adopting the above-mentioned production materials and preparation methods, the present invention

[0028] 1. By adopting hydrophilic polyether and adding an appropriate amount of alginate sodium silicate and chitin to the formulation system, the hemostatic, antibacterial and wound healing functions of the sponge can be effectively improved.

[0029] 2. Since the two special raw materials added are solid, there are certain operational difficulties in the process of adding. At the same time, there...

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Abstract

The invention discloses a medical sponge formula. The medical sponge formula comprises preparation raw materials in parts as follows: 0-50 parts of polyether polyol, 0-50 parts of polymer polyol, 0-0.5 parts of a catalyst, 0-5 parts of sodium silicate alginate, 0-10 parts of chitin, 0-2 parts of silicone oil, 0-7 parts of a foaming agent and 45-70 parts of toluene diisocynate. Hydrophilic polyether is adopted, and a proper amount of sodium silicate alginate and a proper amount of chitin are added to a formula system and can effectively improve the functions of hemostasis, antibacterium and wound healing promoting of sponge. The two added special raw materials are both solids and are difficult to add, besides, the water content is uncontrollable, and accordingly, foaming failure is easily caused.

Description

technical field [0001] The invention relates to the field of medical sponges, in particular to a medical sponge formula and production process. Background technique [0002] Sponge is a porous material with good water absorption and can be used to clean items. Commonly used sponges are made from wood cellulose fibers or expanded plastic polymers. Alternatively, there are natural sponges made from spongy animals, and most natural sponges are used for body cleaning or painting. In addition, there are three types of synthetic sponges made of other materials, namely low-density polyether (non-absorbent sponge), polyvinyl alcohol (highly absorbent material, no obvious pores) and polyester. [0003] The production process of the sponge is generally: mixing the foaming resin, foaming aid and binder resin (to make the finished product adhesive); B. Carry out foaming processing. Mix 80 parts of ethylene vinyl acetate (EVA), 20 parts of APAO PT 3385, 20 parts of azodicarbonamide, 1...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G18/48C08G18/40C08L75/08C08L5/04C08L5/08C08L83/04A61L24/04A61L24/08A61L24/00C08G101/00
CPCC08G18/48A61L24/0015A61L24/0036A61L24/046A61L24/08A61L2300/232A61L2300/404A61L2300/412A61L2300/418A61L2400/04C08G18/4009C08G2101/00C08L75/08C08L2203/14C08L2205/035C08L5/04C08L5/08C08L83/04
Inventor 林永泉阮志忠杨昌军
Owner 上海馨源新材料科技有限公司
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