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Special sizing material for foaming rubber sole

A technology of foamed rubber and rubber materials, applied in shoe soles, applications, footwear, etc., can solve problems such as inability to apply shoe outsoles, unsuitable upper injection soles, insufficient strength of rubber soles, etc., to achieve microsphere particle size Uniform distribution, smooth sole appearance and good mechanical properties

Active Publication Date: 2013-03-13
JIHUA 3514 LEATHER & FOOTWARE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the sizing material provided by this technology uses filling materials such as kaolin, and the resulting rubber sole has insufficient strength and cannot be applied to the outsole of shoes and boots; when the foaming agent AC is in use, its foaming temperature is relatively high. Generally, it is above 155°C, and the foaming temperature of the upper injection sole is generally 140-150°C during preparation, which is not suitable for the preparation of the upper injection sole

Method used

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  • Special sizing material for foaming rubber sole
  • Special sizing material for foaming rubber sole

Examples

Experimental program
Comparison scheme
Effect test

Embodiment １-5

[0061] Embodiment 1-5 is respectively a kind of sizing material for foam rubber soles, and its raw material ratio is as shown in Table 1:

[0062]

[0063] The preparation method of the sizing material for foamed rubber soles in the embodiment 1-5 is carried out according to the following steps respectively

[0064] (1) Mastication of natural rubber

[0065] The natural rubber is put into the 450-type open mill for masticating, and the plasticity is required to be 0.50-0.60, so as to obtain natural rubber with satisfactory plasticity;

[0066] (2) Preparation for weighing raw materials

[0067] Accurately weigh the masticated natural rubber and other required raw materials according to the formula requirements, and set aside;

[0068] (3) Compound mixing

[0069] Put the masticated natural rubber, active agent, anti-aging agent, carbon black, plasticizer and other raw materials into the internal mixer for internal mixing. When the temperature of the rubber material reach...

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Abstract

The invention discloses a special sizing material for a foaming rubber sole, which utilizes natural rubber, a physical foaming agent and various compounding agents to be effectively matched to produce the sizing material for producing a foaming sole by an upper-joint glue injection process, so that the error of expansion ratios of different parts of a de-molded sole is obviously reduced, the appearance quality of the foaming sole is improved, and the sole qualified rate and the appearance grade are improved; and the sizing material produced by the invention is used when the foaming rubber sole is machined, so that the problems that the size stability of the foaming rubber sole is not good when a shoe is produced by using the upper-joint glue injection process and the appearance is rough are solved. The special sizing material is applicable to preparing the foaming soles of shoes including fashion shoes, winter heat-preservation shoes and the like.

Description

technical field [0001] The invention belongs to the technical field of shoemaking, and in particular relates to a rubber material specially used for foaming rubber soles. Background technique [0002] At present, the foamed rubber soles basically use a chemical foaming agent to cooperate with the corresponding foaming aids, and decompose at a suitable temperature to generate gas, form cells inside the rubber, and finally produce foamed rubber soles. Before the introduction of continuous side glue injection vulcanization process, rubber foam soles were produced through flat vulcanization process. After the foam soles were released from the mold, they were modified in appearance and then used in shoe production. In the production of continuous side glue injection vulcanization process, the following problems mainly exist in the production of rubber foam soles: [0003] (1) The produced sole has a very irregular shape: the foamed rubber is constrained by the mold cavity in the...

Claims

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Application Information

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IPC IPC(8): C08L7/00C08K13/02C08K3/04C08K3/26C08K5/18C08K3/22C08K5/09C08J9/12C08J3/24A43B13/04
Inventor 焦占磊赵宏伟
Owner JIHUA 3514 LEATHER & FOOTWARE
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