Sustainable Material Technologies for EVA Foam

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Ethylene Vinyl Acetate (EVA) foam has been a stalwart in various industries, from footwear to packaging, owing to its versatility, flexibility, and cost-effectiveness. However, the environmental impact of traditional EVA foam production has raised concerns, prompting a quest for sustainable alternatives.

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Environmental problems are becoming more and more prominent as economic development, and achieving green chemistry is an urgent task nowadays. Supercritical foam technology is a revolutionary new technology, the foaming agents used in supercritical foaming technology are usually supercritical carbon dioxide (ScCO2) and supercritical nitrogen (ScN2), both of which are used without environmental burden.EVA (Ethylene Vinyl Acetate) foam is a common lightweight, soft, and durable plastic material that has been a stalwart in various industries due to its versatility, flexibility, and cost-effectiveness.

Key Benefits

01

Improve the elasticity of EVA foam materials

Compared with talcum powder or anti-abrasion agent, Si-TPV has better elasticity.
02

Improve the color saturation of EVA foam materials

Some groups on Si-TPV may interact with dye chromophores, enhancing color saturation.
03

Decrease the heat shrinkage of EVA foam materials

The elasticity of Si-TPV helps release the internal stress of EVA foam material.
04

Improve the wear anti-abrasion resistance of EVA foam materials

Si-TPV can participate in the reaction of the cross-linking agent, which increases the crosslinking density.
05

Heterogeneous nucleation

Si-TPV is uniformly dispersed in the EVA foam material, which can assist cell nucleation.
06

Decrease the compression deformation of EVA foam materials

Si-TPV has good high and low-temperature resistance performance, and can simultaneously improve the high and low temperature compression deformation of higher hardness EVA foam materials

Durability Sustainability

Advanced solvent-free technology, without plasticizer, no softening oil, and odorless.
Environmental protection and recyclability.
Available in regulatory-compliant formulations.

EVA foaming Guide

Si-TPV 2250 series has the characteristics of a long-term skin-friendly soft touch, good stain resistance, no plasticizer and softener added, and no precipitation after long-term use, especially suitably used for Super light high elastic eco-friendly EVA foaming material preparation.

Innovation in EVA Foam materials (4)

After adding Si-TPV 2250-75A, the bubble cell density of EVA foam gets slightly reduce, bubble wall thickening, and Si-TPV is dispersed in the bubble wall, the bubble wall becomes rough.

Comparison of Si-TPV2250-75A and polyolefin elastomer addition effects in EVA foam

Innovation in EVA Foam materials (5)

Innovation-in-EVA-Foam-materials-7

Innovation-in-EVA-Foam-materials-8

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Application

Novel green environment-friendly Si-TPV modifier empowering the EVA foaming material that reshaped various daily life and business activities products industries. such as footwear, sanitary product, sports leisure products, floor/yoga mats, toys, packaging, medical devices, protective equipment, water non-slip products, and photovoltaic panels...

For example, in the production of footwear products, the common foam material for soles, insoles, and insole liners is EVA material, which plays a role in effectively supporting and cushioning the feet and improving wearing comfort. In addition, EVA foam is also widely used in the packaging industry. Because of its lightweight and has good cushioning and protective properties, EVA foam is often used to make boxes, packaging cushions, etc., to protect the product from vibration and extrusion damage during transportation. Of course, EVA foam is also often used in the manufacture of sports equipment. For example, in fitness equipment, yoga mats made of EVA foam materials have better anti-slip, waterproof and comfortable performance, providing yoga enthusiasts with a safe and comfortable workout environment. Overall, EVA foam is a very versatile material. Its lightweight, soft and durable properties make it an important application in footwear products, packaging, sports equipment and other fields. However, the environmental impact of traditional EVA foam production has raised concerns, prompting a search for sustainable alternatives.

Enter Sustainable Material Technologies? SILIKE Si-TPV is a novel elastomer modifier, Compared with OBC and POE, Highlight reduces the compression set and heat shrinkage rate of EVA foam materials. it can improve the elasticity and softness of EVA foaming. In addition, improves the anti-slip and anti-abrasion resistance, and the DIN wear is reduced from 580 mm3 to 179 mm3. That will benefit producing EVA foaming-related products such as shoe soles, sanitary products, sports leisure products, floor/yoga mats, and more...
4.Research and Innovation in EVA Foam
To address the limitations of traditional EVA foaming, manufacturers have been exploring innovative solutions. One promising approach is combining EVA with other elastomers to enhance performance. This is particularly important as the industry seeks materials that offer both improved functionality and environmental benefits.
5, Si-TPV: A Game Changer for Eco-Friendly EVA Foam
SILIKE’s Si-TPV is a groundbreaking thermoplastic silicone-based elastomer that serves as a high-performance modifier for EVA foam. By introducing Si-TPV modifier into EVA foam materials, and leveraging chemical foaming technology, manufacturers can create microporous EVA foams with significant advantages: environmental sustainability, low thermal shrinkage, no chemical migration, and adjustable foaming ratios. This innovation streamlines the production process, resulting in energy savings while improving the mechanical properties of EVA foam. Si-TPV reduces the presence of residual foaming agents, minimizes foam pore sizes, and achieves an ideal balance of low density, high resilience, excellent wear resistance, and reduced thermal shrinkage. Additionally, it enhances the color vibrancy of EVA foams, driving improvements in comfort, aesthetics, durability, and sustainability. Discover the Future of EVA Foam, enhance your products with Si-TPV-modified EVA foams. Contact SILIKE via email at email：amy.wang@silike.cn to learn how this innovative Thermoplastic Silicone Elastomers material can transform your production process and deliver superior results!