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Method for preparing polyethylene material for medical trachea cannula

A technology for endotracheal intubation and polyethylene, which is applied in the field of preparation of polyethylene materials for medical endotracheal intubation, can solve problems such as large market space, and achieve the effects of simple operation, high economic benefits, and good mechanical properties

Inactive Publication Date: 2015-10-07
SUZHOU JONATHAN NEW MATERIALS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, my country has been able to independently produce ventilators and related plastic products, but due to factors such as product fineness, the products are mainly used in small and medium-sized cities and vast rural areas or exported, while the markets of big cities such as Beijing, Tianjin and Shanghai are mainly used abroad. Imported products, so the market space is still very large

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] A preparation method of a polyethylene material for medical tracheal intubation, said method comprising the following steps: Step 1, weighing 80 parts of polyethylene, 24 parts of neoprene, 2 parts of polyvinylpyrrolidone, and 2 parts of chitosan according to parts by weight 4 parts of ethylene-α-ethylene-octene copolymer, 3 parts of dicumyl peroxide, 4 parts of acetyl citrate, 6 parts of bismaleamic acid, 2 parts of diethylenetetramine, 4 parts of lecithin , 6 parts of bismaleamic acid, 3 parts of plastin, 3 parts of octyltin maleate, 2 parts of methyltin mercaptide, 11 parts of dispersant, 14 parts of antibacterial agent; Step 2, mix each component Mix well in the mixer; step 3, put the mixed material into the reaction kettle, heat to 100-120°C under vacuum, stir for 10-20 minutes, cool down to 30-40°C, stir for 5-10 minutes, get mixed material;

[0012] Step 4: Put the mixed material in a twin-screw extruder at 180-190° C. to extrude a sample, then water-cool, air-d...

Embodiment 2

[0016] A preparation method of a polyethylene material for medical tracheal intubation, the method comprising the following steps: Step 1, weighing 90 parts of polyethylene, 30 parts of neoprene, 5 parts of polyvinylpyrrolidone, and 8 parts of chitosan according to parts by weight 7 parts of ethylene-α-ethylene-octene copolymer, 7 parts of dicumyl peroxide, 14 parts of acetyl citrate, 12 parts of bismaleamic acid, 6 parts of diethylenetetramine, 6 parts of lecithin , 12 parts of bismaleamic acid, 8 parts of plastin, 6 parts of octyltin maleate, 5 parts of methyltin mercaptide, 14 parts of dispersant, 20 parts of antibacterial agent; Step 2, mix each component Mix well in the mixer; step 3, put the mixed material into the reaction kettle, heat to 100-120°C under vacuum, stir for 10-20 minutes, cool down to 30-40°C, stir for 5-10 minutes, get mixed material;

[0017] Step 4: Put the mixed material in a twin-screw extruder at 180-190° C. to extrude a sample, then water-cool, air...

Embodiment 3

[0021] A preparation method of a polyethylene material for medical tracheal intubation, said method comprising the following steps: Step 1, weighing 85 parts of polyethylene, 28 parts of neoprene, 4 parts of polyvinylpyrrolidone, and 6 parts of chitosan according to parts by weight 6 parts of ethylene-α-ethylene-octene copolymer, 5 parts of dicumyl peroxide, 10 parts of acetyl citrate, 8 parts of bismaleamic acid, 4 parts of diethylenetetramine, 5 parts of lecithin , 8 parts of bismaleamic acid, 5 parts of plastin, 4 parts of octyltin maleate, 3 parts of methyltin mercaptide, 13 parts of dispersant, 16 parts of antibacterial agent; step 2, mix each component Mix well in the mixer; step 3, put the mixed material into the reaction kettle, heat to 100-120°C under vacuum, stir for 10-20 minutes, cool down to 30-40°C, stir for 5-10 minutes, get mixed material;

[0022] Step 4: Put the mixed material in a twin-screw extruder at 180-190° C. to extrude a sample, then water-cool, air-...

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Abstract

The invention discloses a method for preparing a polyethylene material for a medical trachea cannula. The method comprises the steps of 1, preparing all the components by weight; 2, evenly mixing all the components in a mixing and stirring machine; 3, placing evenly mixed materials into a reaction still, heating the reaction still under the vacuum condition to 100-120 DEG C, stirring the materials for 10-20 min, cooling the materials to 30-40 DEG C, stirring the materials for 5-10 min, and obtaining a mixed material; 4, placing the mixed material in a double-screw extruder at a temperature of 180-190 DEG C to obtain sample bars through extrusion, and conducting water cooling, air drying and grain-sized dicing to obtain the polyethylene material. The preparing method is short in process, simple in operation, low in cost, environment-friendly and high in economical effectiveness. Compared with the prior art, the polyethylene material for the medical trachea cannula prepared with the method has the advantage that biocompatibility and safety performance are excellent and better than those of related products existing in the current market.

Description

technical field [0001] The invention belongs to the field of polymer materials and relates to a preparation method of a polyethylene material for medical tracheal intubation. technical background [0002] As a very important material, plastic has been widely used in the medical and health field. It can be made into disposable medical equipment such as drip bottles, syringes, etc., and can be used in non-disposable medical equipment such as gauges, surgical instruments, etc. The field of medical plastics is currently one of the most promising markets in the plastics industry. [0003] With the continuous growth of the global population, especially the aging population and the increase in the number of people suffering from chronic diseases, the continuous growth of the medical service market has been promoted, and special medical devices have been widely demanded. Due to the excellent characteristics of polymer materials and the ability to reduce costs, at present, medical ...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L11/00C08L39/06C08L5/08C08L23/08C08L89/00C08K13/02C08K5/11C08K5/17C08K5/521C08K3/08C08K3/32
CPCC08L23/06C08K2201/011C08L2203/02C08L2203/18C08L2205/035
Inventor 吕少波李卓才李苏杨
Owner SUZHOU JONATHAN NEW MATERIALS TECH
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