A kind of soft medical surgical gown SMS non-woven fabric and preparation method thereof

A non-woven, surgical gown technology, applied in melt spinning, clothing, apparel, etc., can solve the problems of water resistance, poor liquid splash resistance, poor wearing comfort, high price, and achieve good strength and protective shielding performance, The effect of improving softness

Active Publication Date: 2021-10-22
致优无纺布(无锡)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Disposable medical surgical gowns made of spunlace non-woven fabrics made of wood pulp fibers and polyester staple fibers through high-speed puncture and winding with water needles have good softness, which is close to the feel and comfort of traditional woven fabrics, but in terms of barrier and shielding ability. Far inferior to SMS non-woven fabrics, poor water resistance and liquid splash resistance, so the application market is limited, coupled with high prices, most of them are combined with breathable microporous membranes to form products
Spunbond or SMS non-woven fabric lamination products can effectively prevent the penetration of blood bacteria due to the small pores of the microporous membrane, but at the same time, they are not suitable for medical personnel to work for a long time due to their poor ventilation and moisture removal and poor wearing comfort.
Ordinary SMS non-woven fabric made of polypropylene material has good protection and barrier properties through three-antibody finishing, and its wearing comfort is better than that of laminated materials, but there is still a certain distance compared with traditional cotton materials, which will affect The use of medical staff under long-term working conditions, work endurance

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • A kind of soft medical surgical gown SMS non-woven fabric and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] A kind of preparation method of soft medical operation suit SMS nonwoven fabric, comprises the following steps:

[0049] Step 1, raw material mixing

[0050] Raw materials include PP spunbond material, polyolefin copolymer, amide additives, PP meltblown material, blue masterbatch for spunbond, blue masterbatch for meltblown, and the mass ratio is 50:15:1:18:0.5 : 0.5;

[0051] The PP spunbonded material: MFR is 33-35g / 10min;

[0052] The polyolefin copolymer: ethylene and propylene copolymer, the melting point is between 130-155°C, and the ethylene content is 5%.

[0053] Said amide additive: the melting point is between 155-160°C, and the composition includes PP and additives; the additive is erucamide, and its content is 20%.

[0054] The PP meltblown material: MFR is 1100-1300 g / 10min;

[0055] The blue masterbatch for spunbonding: MFR is 18-28 g / 10min;

[0056] The blue masterbatch for melt-blowing: MFR is 80-190 g / 10min;

[0057] Polyolefin copolymers, amide ad...

Embodiment 2

[0088] A kind of preparation method of soft medical operation suit SMS nonwoven fabric, comprises the following steps:

[0089] Step 1, raw material mixing

[0090] Raw materials include PP spunbond material, polyolefin copolymer, amide additives, PP meltblown material, blue masterbatch for spunbond, blue masterbatch for meltblown, the mass ratio is 58:19:2:22:1 :1;

[0091] The PP spunbond material: MFR is 35-37 g / 10min;

[0092] The polyolefin copolymer: ethylene and propylene copolymer, melting point is between 130-155°C, and ethylene content is 17%.

[0093] The amide additive: the melting point is between 155-160° C., and the composition includes PP and additives; the additive is erucamide, with a content of 25%.

[0094] The PP meltblown material: MFR range 1300-1500 g / 10min;

[0095] The blue masterbatch for spunbonding: MFR range 28-35 g / 10min;

[0096] The blue masterbatch for melt blown: MFR range 200-350 g / 10min;

[0097] Polyolefin copolymers, amide additives...

Embodiment 3

[0128] A kind of preparation method of soft medical operation suit SMS nonwoven fabric, comprises the following steps:

[0129] Step 1, raw material mixing

[0130] Raw materials include PP spunbond material, polyolefin copolymer, PP meltblown material, blue masterbatch for spunbond, blue masterbatch for meltblown, the mass ratio is 65: 25: 25: 3.0: 3.0;

[0131] Described PP spunbonded material: MFR is 35-39 g / 10min;

[0132]The polyolefin copolymer: ethylene and propylene copolymer, melting point is between 130-155 °C, and ethylene content is 20%.

[0133] The PP meltblown material: MFR range 1600-1800 g / 10min;

[0134] The blue masterbatch for spunbonding: MFR range 35-58 g / 10min;

[0135] The blue masterbatch for melt-blowing: MFR range 350-480 g / 10min;

[0136] Polyolefin copolymer and blue masterbatch for spunbond are inhaled into their respective auxiliary material hoppers by compressed air, and are uniformly extruded under the screw and added to the spunbond main s...

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Abstract

The invention provides a method for preparing SMS non-woven fabric for soft medical surgical gowns. The raw materials used include PP spunbond material, polyolefin copolymer, amide additives, PP meltblown material, blue masterbatch for spunbond, meltblown Special blue masterbatch, the mass ratio is 50-65:15-25:0-3:18-25:0.5-3.0:0.5-3.0. The preparation method includes a melt extrusion step; in the melt extrusion: the temperature of the screw used for the spunbonded mixture is 225-235°C, the temperature of the melt pipe is 230-235°C, and the temperature of the die is 233-238°C. The temperature of the screw used in the melt-blown mixture is 235-245°C, the temperature of the melt tube is 245-255°C, and the temperature of the die head is 255-260°C. The preparation method also includes a hot rolling step; the hot rolling: use patterned rolls with a hot rolling area of ​​12-15%, the temperature of the rolls is 148-152°C, and the pressure of the rolling mill is 60-65N. The invention significantly improves the softness and smoothness of the SMS non-woven fabric, and at the same time, the prepared non-woven fabric has good strength and protective shielding performance.

Description

technical field [0001] The invention belongs to the technical field of nonwoven fabrics, and in particular relates to a soft SMS nonwoven fabric for medical surgical gowns and a preparation method thereof. Background technique [0002] With the advancement of human science and technology and the development of medical knowledge, people's understanding of sterilization, virus infection and protection during surgery has gradually increased, and the application of surgical gowns has been widely developed. It has been found that under unprotected operations, the mortality rate of patients during or after the operation is high, and medical staff are easily infected with infectious germs. Surgical gowns are a safety barrier to protect medical staff and patients during surgical operations, and can effectively reduce the mutual transmission of germs and microorganisms. After more than half a century of development, the fabrics of surgical gowns have changed from loose, permeable, a...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D04H1/559D04H1/558D04H1/544D04H1/541D04H3/14D04H3/147D01D5/098D06H7/00A41D13/12
CPCA41D13/1209D01D5/0985D04H1/541D04H1/544D04H1/558D04H1/559D04H3/14D04H3/147D06H7/00D10B2401/16D10B2509/00
Inventor 李海娇克里斯特·埃兰德松叶伟王明蒋赟鹏姚普杰
Owner 致优无纺布(无锡)有限公司
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