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Modified tpc-et, its antibacterial composite material and its preparation method and application

A composite material, blending modification technology, used in applications, other household appliances, household appliances, etc., can solve the problem that tiny bacteria and viruses cannot be completely isolated, cannot achieve 100% antibacterial ability, and is not in line with environmental protection development. Direction and other issues, to achieve good antibacterial effect, good protection effect, low cost of use

Active Publication Date: 2019-08-06
RENOLIT HENGXUN PACKAGING TECH BEIJING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] CN202011188U discloses a non-woven fabric for medical use, which includes an upper layer of spunbond non-woven fabric, a lower layer of antibacterial non-woven fabric and a melt-blown non-woven fabric located between the two. The three layers of different functional non-woven fabrics increase the The antibacterial and waterproof properties of the material, but the antibacterial ability is extremely low, and the application range is limited
The case mainly introduces PE film or waterproof and breathable membrane in the middle layer, which improves the waterproof, antibacterial and isolation characteristics of the material; however, this kind of waterproof and breathable membrane is based on the principle of microporous ventilation, which cannot completely treat tiny bacteria and viruses. isolation
[0005] PTFE microporous membrane is the mainstream composite material with waterproof, breathable and antibacterial functions, but because PTFE itself is expensive and does not conform to the direction of environmental protection development, and cannot achieve 100% antibacterial ability, it is gradually replaced

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] This embodiment provides a kind of blending modified TPC-ET, super antibacterial composite material and preparation method thereof, the method comprising:

[0041] SEBS with a styrene content of 5wt.% and Arnitel VT3108 TPC-ET material from DSM were mechanically premixed at a ratio of SEBS mass fraction of 3wt.% and the rest being the TPC-ET material. Then carry out extrusion granulation on an extruder to obtain the blended modified TPC-ET of this example, wherein the extrusion temperature is: 175°C-185°C, and the extrusion speed is 25rpm / min.

[0042] The modified TPC-ET material is prepared into a 15μm film by blow molding production equipment and then rolled up as the middle layer; the grammage is 20g / m 2 The melt-blown non-woven fabric is used as the outer layer; the grammage is 15g / m 2 The meltblown nonwoven fabric is used as the inner layer.

[0043] The above middle layer, outer layer and inner layer were respectively introduced into a hot melt adhesive coating...

Embodiment 2

[0049] This embodiment provides a kind of blending modified TPC-ET, super antibacterial composite material and preparation method thereof, the method comprising:

[0050] The SEBS with a styrene content of 8wt.% was mechanically premixed with the Arnitel VT3104 TPC-ET material from DSM at a mass fraction of SEBS of 6wt.%, and the rest being the TPC-ET material. Then carry out extrusion granulation on an extruder to obtain the blended modified TPC-ET of this example, wherein the extrusion temperature is: 175°C-185°C, and the extrusion speed is 25rpm / min.

[0051] The modified TPC-ET material is prepared into a 10 μm film by casting production equipment, and the weight of the film is 30g / m 2 The outer layer of the city cloth is used as the bottom substrate, and the weight is 15g / m 2 The inner layer of muslin is used as the upper substrate, and the whole width of the multi-point hot melt adhesive is coated and compounded by the online high-temperature forming roller. The pressin...

Embodiment 3

[0057] This embodiment provides a kind of blending modified TPC-ET, super antibacterial composite material and preparation method thereof, the method comprising:

[0058] SEBS with a styrene content of 5wt.% and Arnitel VT3108 TPC-ET material from DSM were mechanically premixed according to the ratio of SEBS mass fraction to 5wt.%, and the rest to the TPC-ET material. Then extrude and granulate on an extruder to obtain the blended modified TPC-ET of this example, wherein the extrusion temperature is 175° C. to 185° C. and the extrusion speed is 25 rpm / min.

[0059] The modified TPC-ET material is prepared into a 10μm film by blow molding production equipment and then rolled up as the middle layer; the grammage is 20g / m 2 The muslin is used as the outer layer; the grammage is 25g / m 2 muslin as the inner layer.

[0060] The above middle layer, outer layer and inner layer were respectively introduced into a hot melt adhesive coating compound machine to form the super antibacter...

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Abstract

The invention provides modified TPC-ET, an antibacterial composite material containing the same and a preparation method and application of antibacterial composite material. The modified TPC-ET comprises 1-8wt.% of styrene thermoplastic elastomer and the balance TPC-ET raw material, wherein the styrene content in the styrene thermoplastic elastomer is 5-25%. The antibacterial composite material comprises an inner layer, a middle layer and an outer layer which are adhered to one another, wherein the middle layer is made of the modified TPC-ET; the outer layer or the inner layer is made of nonwoven fabric or cotton fabric. The antibacterial composite material or protective products produced by the antibacterial composite material are comfortable and dry to wear, capable of resisting water thoroughly, high in moisture permeability, capable thoroughly defending the invasion of external bacteria and viruses, resistant to sterilization, washable and reusable.

Description

technical field [0001] The invention relates to a modified material, in particular to blended modified TPC-ET, an antibacterial composite material containing it and its preparation method and application, belonging to protective materials in the fields of medicine and chemical industry (such as in hospitals, laboratories , protective gloves used in clean production sites, protective clothing, etc.) field. Background technique [0002] The staff of hospitals, laboratories, clean production sites, and chemical plants are often exposed to toxic and harmful substances such as germs, blood, and chemical reagents. Traditional protective clothing, surgical gowns, isolation gowns, etc. , due to the porosity of the material itself, it does not have antibacterial ability. [0003] CN202011188U discloses a non-woven fabric for medical use, which includes an upper layer of spunbond non-woven fabric, a lower layer of antibacterial non-woven fabric and a melt-blown non-woven fabric locat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L67/00C08L53/02B32B27/12B32B37/12B32B37/10B32B37/06B32B27/36B32B27/30
CPCB32B5/02B32B27/12B32B27/302B32B27/36B32B37/06B32B37/10B32B37/1207B32B2037/1215B32B2307/7145B32B2307/73B32B2571/00C08L67/00C08L53/025
Inventor 张文芳王婧杨伟夺刘建东马懿章卫东
Owner RENOLIT HENGXUN PACKAGING TECH BEIJING CO LTD