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Manufacturing method of waterborne PU (Polyurethane) foam glove

A production method and glove technology, which can be applied to household components, applications, coatings, etc., can solve the problems that sweat cannot be discharged outside in time, the service life is only once, and water-based PU feels hard, so as to improve the experience and water resistance. , the effect of uniform glue layer

Pending Publication Date: 2018-06-19
SHANDONG XINGYU GLOVES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the water-based PU gloves produced and sold on the market are made of water-based PU non-foaming rubber material, resulting in poor air permeability of the gloves, extremely poor user comfort, and the glove materials contain organic solvents that are harmful to the human body. , when used, the sweat produced on the hands will not be discharged to the outside in time, and the sweat will be in contact with the gloves, and the sweat will dissolve some toxic organic solvents and be absorbed by the human body through the pores
Moreover, the non-foaming water-based PU feels relatively hard, which is inconvenient and uncomfortable to wear.
In addition, some water-based PU gloves on the market have extremely poor water resistance, and they will be damaged after a few washes with water. The wear resistance is relatively short, and the service life is even only once.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Step S1: prepare foaming glue: mix 20 mass parts neoprene latex in 100 mass parts water-based polyether type PU (solid content mass fraction 30%), then add 3 mass parts zinc oxide cross-linking agent, stir After 15 minutes, add 5 parts by mass of water, then add 1 part by mass of water-based black slurry and stir evenly, add 3 parts of potassium oleate foaming agent, use a foaming machine to foam to 1.3 times, add 3 parts by mass of poly Sodium acrylate thickens the viscosity to 2000mpa.s.

[0023] Step S2: Soaking in foaming glue: put the chemical fiber knitted glove embryo on the hand mold, when the temperature of the hand mold is 35°C, soak the gloves in 20% by mass calcium nitrate aqueous solution, then take it out, and dry it at 70°C After 15 minutes, dip into the foamed water-based PU glue that has been prepared in step S1, take it out, and then place it for 15 seconds to drip glue, so that the glue layer on the surface of the glove embryo is more uniform.

[002...

Embodiment 2

[0026] Step S1: Prepare foaming glue: mix 10 parts of chloroprene latex into 120 parts by mass of water-based polyester PU (solid content mass fraction 30% to 40%), and then add 0.5 parts by mass of zinc titanate crosslinking agent After stirring for 15 minutes, add 2 parts by mass of water, then add 1.5 parts by mass of water-based black slurry and stir evenly, add 6 parts by mass of sodium dodecylbenzenesulfonate foaming agent, and use a foaming machine to foam to 1.5 times, add 1 mass part of sodium caseinate to thicken the viscosity to 1900mpa.s.

[0027] Step S2: Soaking in foaming glue: put the chemical fiber glove embryo on the hand mold, and when the temperature of the hand mold is 45°C, soak the glove in 10% by mass calcium chloride aqueous solution, then take it out, and dry it at 65°C After 20 minutes, dip into the foamed water-based PU glue that has been prepared in step S1. After taking it out, leave the glove blanks for 20 seconds to drip glue, so that the glue l...

Embodiment 3

[0030] Step S1: Prepare foaming glue: mix 15 parts of styrene-butadiene latex into 90 parts by mass of water-based polyether-type PU (solid content mass fraction 30% to 40%), and then add 2 parts by mass of zinc oxide and stearic acid Zinc mixture (8:2 mass mixing) is used as a crosslinking agent, after stirring for 10 minutes, add 8 parts by mass of water, add 10 parts of potassium laurate foaming agent, use a foaming machine to foam to 1.1 times, add 5 Parts by mass of sodium polyacrylate are thickened.

[0031] Step S2: Soaking in foaming glue: Dip the cotton wool glove embryo directly into the foaming water-based PU glue prepared in step S1, take out the glue and leave it for 20 seconds until the glue surface does not flow.

[0032]Step S3: vulcanization drying: after the rubber surface stops flowing, dry it: bake at 75°C-85°C for 30 minutes, and at 110°C-120°C for 60 minutes to prepare water-based PU foam gloves.

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PUM

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Abstract

The invention discloses a manufacturing method of a waterborne PU (Polyurethane) foam glove. The manufacturing method comprises the following steps: S1, preparing foaming rubber cement, wherein the foaming rubber cement is prepared by mixing and foaming the following components in parts by mass: 90 to 120 parts of waterborne polyurethane, 10 to 30 parts of neoprene latex or styrene-butadiene latexor natural latex, 0.5 to 6 parts of a cross-linking agent, 1 to 10 parts of a foaming agent, 0 to 6 parts of a thickening agent, 0 to 2 parts of waterborne colour paste and 0 to 20 parts of water; S2, soaking in foaming rubber cement, namely, soaking a glove blank in the foaming rubber cement which is prepared in the step S1; and S3, vulcanizing and drying the glove which is treated through the step S2. The waterborne PU foam glove provided by the invention is pollution free, non-toxic and harmless, and does not contain DMF. Particularly, a certain proportion of the neoprene latex or the styrene-butadiene latex or the natural latex is added and is cross-linked and connected with active groups of the waterborne polyurethane through a certain proportion of the cross-linking agent, so that when a glove product achieves necessary comfort, softness and air permeability, the water resistance, the wear resistance and the mechanical strength of the waterborne PU foam glove are ensured; the glove product is convenient to wear; and the product quality and the experience of a user are remarkably improved.

Description

technical field [0001] The invention relates to a manufacturing method of water-based PU foam gloves. Background technique [0002] Polyurethane material is the abbreviation of polyurethane, the English name is polyurethane, it is a kind of polymer material, referred to as PU. At present, the water-based PU gloves produced and sold on the market are made of water-based PU non-foaming rubber material, resulting in poor air permeability of the gloves, extremely poor user comfort, and the glove materials contain organic solvents that are harmful to the human body. , When used, the sweat produced on the hands will not be discharged to the outside in time, and the sweat will be in contact with the gloves, and the sweat will dissolve some toxic organic solvents and be absorbed by the human body through the pores. Moreover, the non-foaming water-based PU feels relatively hard, making it inconvenient and uncomfortable to wear. In addition, some water-based PU gloves on the market ...

Claims

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Application Information

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IPC IPC(8): C08L75/08C08L11/02C08L33/02C08J9/30C08J9/40B29C41/20
CPCB29C41/20B29L2031/4864C08J9/0023C08J9/0033C08J9/0061C08J9/0066C08J9/30C08J9/40C08J2375/08C08J2407/00C08J2411/02C08J2429/04C08J2433/02C08J2489/00
Inventor 周星余孙永峰
Owner SHANDONG XINGYU GLOVES