Sponge bonding rubber as well as preparation method and method for avoiding foaming of rubber shoes sponge

A technology of adhesive glue and sponge glue, which is applied in the direction of shoemaking machinery, adhesive types, and bonded shoe parts, etc., can solve problems such as the quality of sponge foam in rubber shoes, and achieve the effect of solving the problem of adhesive delamination

Active Publication Date: 2008-07-23
际华制鞋工业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention solves the quality problem of rubber shoes sponge foam from the following aspects:

Method used

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  • Sponge bonding rubber as well as preparation method and method for avoiding foaming of rubber shoes sponge
  • Sponge bonding rubber as well as preparation method and method for avoiding foaming of rubber shoes sponge
  • Sponge bonding rubber as well as preparation method and method for avoiding foaming of rubber shoes sponge

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054]Embodiment 1: raw materials are taken in proportion: rubber 1000g, sulfur 25g, vulcanization accelerator DS 50g, nano zinc oxide (vulcanization activator) 80g, clay (filler) 1850g and composite resin DS-B (tackifying resin) 450g . First, take the rubber and carry out mastication on the XK-400 open mill. The temperature of the rollers is 40-50°C, the roller distance is 0.8mm, and the roller distance is passed 3-4 times, and then the rubber is wrapped on the open mill with a roller distance of 9-10mm. The roller removes air bubbles, so that the plasticity of the rubber reaches 0.45, and then the plasticized rubber is obtained, and then the plasticized rubber is added to the internal mixer, and then the vulcanization accelerator DS, nano-zinc oxide, clay, and composite resin DS-B are added in sequence, and after mixing Mix at 90-100°C until the plasticity is 0.4-0.5 to obtain the sponge adhesive. Tested on a steam-heated flat vulcanizer with a temperature of 143±1°C and a ...

Embodiment 2

[0056] Embodiment 2: raw materials are taken in proportion: rubber 800g, sulfur 20g, vulcanization accelerator DM 60g, stearic acid (vulcanization active agent) 90g, clay (filler) 2100g and composite resin DS-B (tackifying resin) 400g , Take the rubber and masticate it on the internal mixer for 5-5.5min. The conditions of the internal mixer are: the temperature of the internal mixing room is 90-120°C, the pressure of the internal mixing room is 0.2Mpa, and the rotor speed of the internal mixer is 1440r / min, so that the plasticity can reach 0.4, then add vulcanization accelerator DS, stearic acid, clay, and composite resin DS-B in sequence, mix and refine at 100-120°C for 4-6 minutes to obtain the sponge adhesive.

[0057] The gluing process is as described in Example 1.

Embodiment 3

[0058] Embodiment 3: raw material is taken in proportion: rubber 30kg, sulfur 0.75kg, vulcanization accelerator DM 1.5kg, stearic acid (vulcanization activator) 2.4kg, pottery clay (filler) 55.5kg and composite resin DS-B (enhancement agent) Adhesive resin) 15kg, masticate the rubber to make its plasticity reach 0.5, then add vulcanization accelerator DM, stearic acid, pottery clay, and composite resin DS-B in sequence, mix and knead according to the conventional process to obtain the sponge adhesive glue.

[0059] The gluing process is as described in Example 1.

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Abstract

The invention provides a sponge bonding adhesive and the preparation method as well as the method for solving the blistering of rubber shoe sponge; wherein, the sponge bonding adhesive is prepared with rubber, sulphur, vulcanization accelerator, vulcanization activator, filler, and tackifying resin. The preparation method of the sponge bonding adhesive comprises the following steps: plasticating the rubber to enable the plasticity to reach 0.4-0.5; then milling the rubber and the compounding agent into the sponge bonding adhesive; subsequently, pressing together the sponge bonding adhesive and the gelatine sponge bottom via a sponge fractioning process, wherein, the pressing thickness of the sponge bonding adhesive is 0.5 to 0.7 mm, and the overall thickness of the gelatine sponge bottom and the sponge bonding adhesive is 3.0 to 3.4 mm; after die cutting the fractioning gelatine sponge bottom, bonding together the sponge bonding adhesive layer with the smooth surface on the outer bottom of the rubber shoe. The preparation method for the sponge bonding adhesive has the advantages of reducing the generation rate of the sponge blister in rubber products below 0.03%, greatly lowering the ratio of the sponge blister, and thus considerably improving the quality of rubber shoes.

Description

technical field [0001] The invention relates to the field of rubber shoes shoemaking, in particular to a sponge adhesive glue and a preparation method thereof, and a method for solving the foaming quality problem of the rubber shoes sponge by using the sponge adhesive glue. Background technique [0002] During the preparation process of rubber shoes, sponge foaming is one of the main problems affecting the quality of rubber shoes. The so-called sponge foam refers to the problem of layered air bubbles in the middle of the sponge rubber sole of rubber shoes, and the layering of the contact surface between the sponge rubber sole and the outsole of the rubber shoes, commonly known as sponge foam. The generation of sponge bubbles will change the internal structure of the sponge rubber sole and reduce the strength of the rubber shoes. The sponge rubber sole will also be uneven due to the existence of sponge bubbles, which will affect wearing, form defective products, and cause los...

Claims

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Application Information

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IPC IPC(8): C09J121/00C08J3/24C08K3/06A43D25/00
Inventor 陈松雄杜江周川泉晋齐怀杨东田吉
Owner 际华制鞋工业有限公司
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