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Middle-sole latex and preparation process thereof

A preparation process, latex technology, applied in the direction of shoe soles, footwear, applications, etc., can solve the problems of not easy to degrade, easy to regain moisture, difficult to degrade paper molds, etc., to achieve the effect of easy recycling, good affinity and easy degradation

Active Publication Date: 2012-09-19
JIANGMEN GAOLIYI TECH IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the process of manufacturing shoe midsoles, fiber paper molds are required. Conventional shoe midsole latex has poor affinity with fibers and is not easy to adhere to the paper molds, so that the prepared shoe midsoles cannot completely match the paper molds.
And part of the monomer (prepolymer) will enter between the fibers, making it difficult to degrade the waste paper mold
[0005] In the production process of the existing midsole latex, formaldehyde and APEO emulsifiers generally need to be added due to cost considerations and technical limitations. The midsole made from the existing midsole latex is not easy to degrade and easy to regain moisture , uncomfortable to wear
The formaldehyde emitted during the production process directly endangers human health, and will also pollute the environment after discharge

Method used

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  • Middle-sole latex and preparation process thereof
  • Middle-sole latex and preparation process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] A shoe midsole latex, the raw material of which contains the following parts by mass: 0.5 parts of modified starch, 1 part of cellulose, 15 parts of butyl acrylate, 5 parts of isooctyl acrylate, 32 parts of styrene, 3 parts of functional monomer, emulsified 2.5 parts of an agent and 0.5 parts of an initiator, wherein the functional monomer is acrylamide, the emulsifier is disodium phosphate half ester ethoxylated alcohol, and the initiator is potassium persulfate.

[0055] Its preparation process is as follows:

[0056]1) Add modified starch, cellulose and appropriate amount of water into the reaction kettle, gradually raise the temperature to 75°C under stirring, keep it warm for 40 minutes, and then adjust the temperature to 80°C;

[0057] 2) Mix butyl acrylate, isooctyl acrylate, styrene, and functional monomers evenly to obtain an ethylenic monomer mixture, which is set aside;

[0058] 3) Continue to add emulsifier and 0.5% of pH buffering agent to the reaction ket...

Embodiment 2

[0061] A shoe midsole latex, the raw material of which contains the following parts by mass: 1 part of modified starch, 0.8 part of cellulose, 17 parts of butyl acrylate, 4 parts of isooctyl acrylate, 34 parts of styrene, 1 part of functional monomer, emulsified 3 parts of agent and 0.4 part of initiator, wherein, the functional monomer is styrene, the emulsifier is the equal proportion mixture of E010 and disodium ethoxylate phosphate half ester, and the initiator is potassium persulfate, sodium bisulfite and Equal proportion mixture of AIBA.

[0062] Its preparation process is as follows:

[0063] 1) Add modified starch, cellulose and appropriate amount of water to the reactor, gradually raise the temperature to 90°C under stirring, keep it warm for 40 minutes, and then adjust the temperature to 75°C;

[0064] 2) Mix butyl acrylate, isooctyl acrylate, styrene, and functional monomers evenly to obtain an ethylenic monomer mixture, which is set aside;

[0065] 3) Continue to...

Embodiment 3

[0068] A shoe midsole latex, the raw material of which contains the following parts by mass: 2 parts of modified starch, 0.5 part of cellulose, 20 parts of butyl acrylate, 6 parts of isooctyl acrylate, 28 parts of styrene, 4 parts of functional monomer, emulsified 2.5-4 parts of agent and 0.2-0.8 parts of initiator, the functional monomer is methacrylic acid, the emulsifier is an equal proportion mixture of E010 and modified fatty alcohol ethoxylate, and the initiator is potassium persulfate and bisulfite Sodium mixture in equal proportions.

[0069] Its preparation process comprises the following steps:

[0070] 1) Add appropriate amount of water, modified starch, cellulose, part of emulsifier and part of pH buffer into the reaction kettle, and stir evenly;

[0071] 2) Add water and the remaining emulsifier into the emulsification kettle, and continue to drop butyl acrylate, isooctyl acrylate, styrene, and functional monomers under stirring, and stir evenly;

[0072] 3) Add...

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PUM

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Abstract

The invention discloses middle-sole latex and a preparation process thereof. Raw materials of the middle-sole latex comprise modified starch, cellulose, butyl acrylate, 2-ethylhexyl acrylate, styrene, a functional monomer, an emulsifying agent and appropriated amount of initiator. A middle-sole paper model produced by the middle-sole latex is easy to degrade after being discarded. The middle-solelatex and paper fiber are in good affinity, the latex can be distributed on the paper model easily, and obtained middle-sole sizes are stable. Simultaneously, the used paper model is easy to recycle,the discarded paper model is easy to degrade and the latex is beneficial to environmental protection.

Description

technical field [0001] The invention relates to a shoe midsole latex and a preparation process thereof. Background technique [0002] The midsole is located between the bottom layer and the surface layer of the shoe, and is generally made of foam material. Although the midsole of the shoe is not in direct contact with the foot, it has a good shock absorption effect. The midsole of the shoe has a direct impact on the wearing comfort and the breathability of the shoe. [0003] Since the upper and lower sides of the midsole of the shoe are not in direct contact with air, it needs to bear the weight of the person for a long time during the wearing process, which requires that it not only have good elasticity, but also have good toughness, and also need to have good water resistance. sex. [0004] In the process of manufacturing shoe midsoles, fiber paper molds are needed. Conventional shoe midsole latex has poor affinity with fibers and is not easy to adhere to paper molds, s...

Claims

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Application Information

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IPC IPC(8): C08F251/00C08F251/02C08F220/18C08F212/08C08F2/24A43B13/04
Inventor 张敏盛张益盛龙占利
Owner JIANGMEN GAOLIYI TECH IND
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