Formula and its production for shock-absorbing EVA foaming sectional material

A manufacturing method and profile technology, which are applied to the formulation of shock-absorbing EVA foam profiles and the field of manufacturing thereof, can solve the problems of poor shock-absorbing effect and unreasonable manufacturing methods of EVA foam profiles, and achieve better shock-absorbing effects.

Inactive Publication Date: 2007-06-20
郭廷志
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Due to the unreasonable manufacturing method of the existing EVA foam profile, the

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] The preferred embodiment one of the manufacturing method of the shock-absorbing EVA foam profile proposed by the present invention comprises the following steps:

[0042] (1) 30 kg of ethylene-vinyl acetate copolymer, 25 kg of styrene-isoprene-styrene block copolymer, 10 kg of ethylene-acrylic acid copolymer, 20 kg of talcum powder, 1.5 kg of zinc oxide, 1.2 kg of bridging agent, 0.5 kg of bridging aid, 3.25 kg of foaming agent, and 3 kg of color masterbatch are fully mixed;

[0043] (2) Mixing the mixture by banburying, the banburying mixing temperature is 125°C, and the time is 15 minutes;

[0044] (3) Carry out kneading and remixing of the mixture after banbury mixing, the kneading and remixing time is 10 to 15 minutes, and the beam is thinned, and the thickness of the beam thin layer is 1 to 1.5 mm;

[0045] (4) the mixture obtained in step (3) is made into a plate with a thickness of 1.2 mm;

[0046] (5) Put the profiled material obtained in step (4) into a compr...

Embodiment 2

[0050] The preferred embodiment two of the manufacturing method of the shock-absorbing EVA foam profile proposed by the present invention comprises the following steps:

[0051] (1) 30 kg of ethylene-vinyl acetate copolymer, 25 kg of styrene-isoprene-styrene block copolymer, 10 kg of ethylene-acrylic acid copolymer, 20 kg of talcum powder, 1.5 kg of zinc oxide, 1.2 kg of bridging agent, 0.5 kg of bridging aid, 3.25 kg of foaming agent, and 3 kg of color masterbatch are fully mixed;

[0052] (2) Mixing the mixture by banburying, the banburying mixing temperature is 125°C, and the time is 15 minutes;

[0053] (3) Carry out kneading and remixing of the mixture after banbury mixing, the kneading and remixing time is 10 to 15 minutes, and the beam is thinned, and the thickness of the beam thin layer is 1 to 1.5 mm;

[0054] (4) the mixture obtained in step (3) is made into a material granule with a diameter of 3 millimeters;

[0055] (5) Inject the material granules obtained in s...

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Abstract

Formula of shock-absorbing EVA foaming sections and its production are disclosed. The formula consists of vinyl-vinyl acetate multi-polymer 30 proportion, styrene-isoprene-styrene block multi-polymer 25 proportion, vinyl-acrylic acid multi-polymer 10 proportion, hydrated magnesium silicate 20 proportion, zinc oxide 1.5 proportion, bridging agent 1.2 proportion, bridging auxiliaries, foaming agent 3.25 proportion and colorant 3 proportion. The process is carried out by blending, internally mixing, open milling, tying to obtain plate and grain, mold pressing or injection mold pressing, grinding while cutting for foaming plate and secondary foaming. It can be used to produce EVA sole.

Description

technical field [0001] The invention relates to a shock-absorbing EVA foamed profile formula and a manufacturing method thereof. Background technique [0002] Existing EVA foam profiles are generally made of EVA materials mixed with foaming agents, but the existing EVA materials have poor shock absorption effects. The existing EVA material production steps are; [0003] 1. Mixing: mix the EVA material and foaming agent evenly; [0004] 2. Rolling: rolling the mixture into sheets; [0005] 3. Slicing: Cut the slice into blocks of equal size; [0006] 4. Foaming: Foaming the bulk material with a large hydraulic press to make a foaming body; [0007] 5. Grinding and cutting: Grinding the surface of the foam to remove the skin and cutting; [0008] 6. Hot pressing and cold pressing forming: Put the semi-finished EVA material into the sole mold, use high temperature and high pressure die casting, and then cool and form. [0009] Due to the unreasonable manufacturing method ...

Claims

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Application Information

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IPC IPC(8): C08L23/08C08L53/02C08K3/34C08J9/00
Inventor 郭廷志
Owner 郭廷志
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