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Formula for producing polyurethane material with uniform bubbles and high air permeability and fabrication technology thereof

A polyurethane material and manufacturing process technology, applied in the field of polyurethane materials, can solve the problems of disordered cell structure, skin infection, excessive sweat secretion, etc., and achieve the effect of reducing bacterial proliferation, tidy cell structure, and avoiding excessive heat.

Inactive Publication Date: 2014-03-26
SHANGHAI GLORY HOME TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the clothing production industry, bras are one of the must-have items for women. In order to improve the beauty of bras, many bras need sponges for shaping, but most of the sponges used for underwear production now use air to Foaming is carried out, and the air contains moisture and other impurities. When foaming with air, it is easy to cause the cell structure to be chaotic and affect the air permeability of the sponge. If the underwear uses this sponge as a shaping material, it will reduce the air permeability of the underwear. Sex, not good for human health
[0003] In addition, bras are used as women's close-fitting clothing. Hot and airtight bras are easy to cause the wearer to secrete too much sweat, especially in summer. It is easy to breed bacteria, even if it is washed with water and exposed to the sun, the bacteria in the sponge cannot be removed, causing skin infection, which is not conducive to the health of human skin

Method used

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  • Formula for producing polyurethane material with uniform bubbles and high air permeability and fabrication technology thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Put 10-30 parts of isocyanate, 50-65 parts of polyether polyol, 1 part of water, 1 part of silicone oil, 1.5 parts of foaming agent, 0.8 part of antibacterial agent, 0.05 part of tin, and 2 parts of other additives into the The working storage tank is used for high-speed stirring, and the stirring speed is 3000~6000r / min, which can be adjusted step by step.

[0027] When it is put into the working storage tank for high-speed stirring to form a raw material mixture, the temperature in each working storage tank is controlled within the range of 18-20°C, and the fluctuation range should be less than 1°C. The raw material is sprayed from the working storage tank into the foaming room filled with nitrogen through the foamer. When foaming, the nozzle of the foamer swings at a constant speed, and the raw material mixture is evenly sprayed on the lining paper laid in the foaming room through the hose. , so that the raw material mixture is foamed, and the foaming time is control...

Embodiment 2

[0029] Mix 31-45 parts of isocyanate, 35-45 parts of polyether polyol, 15-30 parts of polymer polyol, 2 parts of water, 1.5 parts of silicone oil, 5 parts of foaming agent, 1 part of antibacterial agent, 0.5 part of tin, and other additives The 3 parts of the agent are respectively put into the working storage tank with a metering pump, and stirred at a high speed. The stirring speed is 3000~6000r / min, which can be adjusted in stages.

[0030] When it is put into the working storage tank for high-speed stirring to form a raw material mixture, the temperature in each working storage tank is controlled within the range of 21-25°C, and the fluctuation range should be less than 1°C. The raw material is sprayed from the working storage tank into the foaming room filled with nitrogen through the foamer. When foaming, the nozzle of the foamer swings at a constant speed, and the raw material mixture is evenly sprayed on the lining paper laid in the foaming room through the hose. , so ...

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Abstract

The invention relates to the field of a plastic material, and particularly relates to a polyurethane material. A formula for producing a polyurethane material with uniform bubbles and high air permeability comprises a polyurethane material, wherein the polyurethane material comprises the following components by weight percent: 20-60% of isocyanate, 50-100% of polyether polyol, 30-70% of polymer polyols, 0.05-1.0% of amine catalyst, 1.0-4.0% of water, 0.5-2.5% of silicon oil, 0.5-1.0% of antibacterial agent, 0.03-1.0% of tin, and 0.5-5.0% of other assistants. A fabrication technology of the polyurethane material with uniform bubbles and high air permeability comprises the following steps: mixing the raw materials, foaming and molding the raw materials, and cutting polyurethane foam. The technical scheme is adopted, so that nitrogen instead of air is utilized to foam the polyurethane material, so that the foamed polyurethane sponge is regular and even in bubble structure, good in air permeability, safer and more healthful, and bacterial replication is reduced.

Description

technical field [0001] The invention relates to the field of plastic materials, in particular to a polyurethane material. Background technique [0002] Polyurethane sponge is widely used in various industries, such as textiles, automobiles, civil aviation and other industries, and its use scale is still expanding. In the clothing production industry, bras are one of the must-have items for women. In order to improve the beauty of bras, many bras need sponges for shaping, but most of the sponges used for underwear production now use air to Foaming is carried out, and the air contains moisture and other impurities. When foaming with air, it is easy to cause the cell structure to be chaotic and affect the air permeability of the sponge. If the underwear uses this sponge as a shaping material, it will reduce the air permeability of the underwear. sex, is not conducive to human health. [0003] In addition, bras are used as women's close-fitting clothing. Hot and airtight bras ...

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 Applications(China)
IPC IPC(8): C08G18/76C08G18/75C08G18/66C08J9/12C08G101/00
CPCC08G18/4072C08G2101/00C08J9/08C08J9/122C08J2203/02C08J2203/06C08J2203/184C08J2375/08
Inventor 丘国豪
Owner SHANGHAI GLORY HOME TECH CO LTD
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