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Ultra-low-temperature fast-curing reinforcing glue for rubber shoes and preparation method thereof

A rapid vulcanization, ultra-low temperature technology, used in applications, shoe uppers, footwear, etc., can solve problems such as delamination of rubber shoes

Active Publication Date: 2008-07-23
JIHUA 3537 SHOE MAKING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to solve the problem of delamination of the rubber shoe skirt by adjusting the formula of the reinforcing rubber compound, and provide a kind of ultra-low temperature rapid vulcanization reinforcing rubber for rubber shoes and its preparation method. The cross-linking stress increases the speed of cross-linking and setting, ensuring that the cross-linking stress is greater than the sum of "outsole rebound force + expansion force generated by sponge foaming", and makes the reinforcement strips and the outsole straight mouth, surrounding strips, and uppers The glue is cross-linked and shaped before the plastic flow period of the glue, which fundamentally avoids the problem of delamination of the rubber shoe skirt

Method used

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  • Ultra-low-temperature fast-curing reinforcing glue for rubber shoes and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Embodiment 1: Raw materials: 2# standard glue 800g, styrene-butadiene rubber 200g, sulfur 18g, 16g accelerator M, 18g accelerator DM, 8g accelerator DS, active zinc oxide 20g, stearic acid 16g, softening oil 200g, polystyrene Ethylene glycol 40g, white carbon black 400g, light calcium 480g, calcium base fat 14g, anti-aging agent KY-405 13g

[0043] Preparation method: (1) Masticating: Take natural rubber and refine it on an open rubber mixer to make its Vickers plasticity reach 0.40-0.45 to obtain plasticized rubber. The plasticating conditions are: the temperature of the roller of the rubber mixer 40~50℃, the rolling distance of the rubber mixing machine is below 1mm, the rubber passes through the rolling distance of the rubber mixing machine for 3 to 4 times, and then the rubber covered roll is removed from the air bubbles under the rolling distance of 9~10mm;

[0044] (2) Ingredients: product A obtained by mixing plasticizing rubber and styrene-butadiene rubber, prod...

Embodiment 2

[0049] Embodiment 2: Raw materials: 2# standard rubber 800g, styrene-butadiene rubber 200g, sulfur 18g, accelerator (M+DM+DS) 42g, active zinc oxide 36g, softening oil 200g, polyethylene glycol 40g and white carbon black 400g

[0050] Preparation method: (1) Masticating: Take natural rubber and refine it in a banbury mixer so that its Vickers plasticity reaches 0.40-0.45 to obtain plasticized rubber. The refining conditions are: the temperature in the banburying room is 90-100 ℃, mixing chamber pressure 0.2MPa, internal mixer rotor speed 1440rpm, internal mixer internal mixing time 5-5.5min;

[0051] (2) Ingredients: product A obtained by mixing plasticizing rubber and styrene-butadiene rubber, product B obtained by mixing polyethylene glycol and white carbon black, product C obtained by mixing accelerator and activated zinc oxide;

[0052] (3) Mixing: Put product A into the rubber mixer, refine it for 0.5 minutes at a temperature of 60-80°C and a pressure of 0.35Mpa, then add...

Embodiment 3

[0054] Embodiment 3: Raw materials: 2# standard rubber 600g, styrene-butadiene rubber 150g, sulfur 15g, accelerator (M+DM+DS) 50g, stearic acid 25g, active zinc oxide 5g, softening oil 150g, polyethylene glycol 30g And white carbon black 500g, light calcium 600g, calcium base fat 20g, anti-aging agent KY-405 15g

[0055] Preparation method: (1) Mastication: Take natural rubber and refine it to make its Vickers plasticity reach 0.40-0.45 to obtain plastication rubber;

[0056] (2) Ingredients: product A by mixing plasticizing rubber and styrene-butadiene rubber, product B by mixing polyethylene glycol, white carbon black, light calcium and calcium-based grease, accelerator (M+DM+DS), active zinc oxide , stearic acid and anti-aging agent KY-405 are mixed to obtain product C;

[0057] (3) Mixing: put product A into the rubber mixer, refine for 1 minute under the conditions of temperature 100-120°C and pressure 0.45Mpa, then add product B and product C to continue refining for 2 ...

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Abstract

The invention discloses an ultra low temperature fast vulcanization strengthening adhesive used by rubber shoes and a preparation method of the strengthening adhesive, which is characterized in that: firstly, natural rubber is masticated to form masticated rubber, product A is obtained by mixing the masticated rubber and the synthetic rubber, the product B is obtained by mixing the polyethylene glycol and the silica, the product C is obtained by mixing the vulcanizing agent, the vulcanization accelerator and the vulcanization active agent; the product A is put into the rubber refiner to be refined for 0.5 to 1 minute, the product C is added into the rubber refined and keep on refining for 2 to 5 minutes, and then softener is added into the refiner to be refined homogenously, when the discharged material reaches the flattening machine, the supplementary re-processing is carried out to obtain the rubber compound, at last sulfur is added into the rubber compound to obtain the ultra low temperature fast vulcanization strengthening adhesive. The preparation method of the strengthening adhesive has the advantages that: the prescription of the strengthening adhesive materials are improved, the crosslinking stress of the strengthening adhesive is enhanced, thus, the crosslinking stress is ensured to be larger than the rebound force of the outsole plus the expansive force produced by the foaming sponge, and the crosslinking calibration speed is increased; meanwhile, the rubber foxing delamination problem is totally avoided.

Description

technical field [0001] The invention relates to a reinforcing glue and a preparation method thereof, in particular to an ultra-low temperature rapid vulcanization reinforcing glue for solving the delamination of rubber shoe skirts and a preparation method thereof. Background technique [0002] Under normal circumstances, the apron (also known as lace) of rubber shoes is tightly adhered to the upper, that is, the apron is bonded with the reinforcing strip, the straight mouth of the outsole and the glue body, and the apron remains the original piece The thickness does not change. However, in the production process of rubber shoes, due to the restrictions of various conditions, it is easy to cause the problem of strip delamination, that is, the straight mouth of the outsole is detached from the reinforcing rubber strip and the glue to form a cavity and the surrounding strip at the straight mouth Thinning denaturation affects the performance of rubber shoes. [0003] The reaso...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08K3/34A43B15/00A43B23/00C08L21/00
Inventor 陈松雄杜江周川泉晋齐怀杨东田吉
Owner JIHUA 3537 SHOE MAKING
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