Environment-friendly dust-free foam and preparation method thereof

Abstract

The invention discloses environment-friendly dust-free foam and a preparation method thereof. The method comprises the steps that waste foam is smashed into particles, wherein the particles are added into raw materials for manufacturing the foam, and granular polyurethane is added into the raw materials for manufacturing the foam; and then the foam manufacturing raw materials are uniformly stirred and mixed with the waste foam particles and the polyurethane so that the waste foam particles are uniformly fused with the raw materials. The preparation method comprises the following specific preparation steps: S1, preparing foam particles: crushing recycled waste foam into particles; s2, preparing a foam stock solution, namely mixing and stirring raw materials for preparing foam to form the stock solution; s3, preparing a foam foaming agent: uniformly mixing and stirring a foam stock solution and foam particles; s4, foam forming: pouring a foaming agent into the mold, and taking out a finished product after the foaming agent is formed. The foam product disclosed by the invention is halogen-free and accords with an ROHS2.0 environment-friendly material; high rebound resilience, high adhesive force and retention force are achieved, and the waterproof and anti-permeation functions are achieved; and good market application values are realized.

Description

technical field [0001] The invention relates to the technical field of artificial synthetic materials, in particular to an environment-friendly dust-free foam and a preparation method thereof. Background technique [0002] Foam is a material made of foamed plastic particles, referred to as foam. Foam is divided into PU foam, anti-static foam, conductive foam, EPE, anti-static EPE, CR, EVA, bridging PE, SBR, EPDM, etc. At the same time, the foam has a series of characteristics such as elasticity, light weight, fast pressure-sensitive fixation, convenient use, free bending, ultra-thin volume, and reliable performance. Therefore, it is widely used in production and life. However, most of these commonly used foam products are soft in texture, easy to shed dust during cutting, and prone to defects in the incision, which has limitations in electronic products such as mobile phones, digital cameras, video cameras, tablet computers, and mobile communications. [0003] Therefore, ...

AI Technical Summary

Problems solved by technology

However, most of these commonly used foam products are soft in texture, easy to drop dust during the cutting process, and the incision is prone to defects, which has limitations in electronic products such as mobile phones, digital cameras, video cameras, tablet computers, and mobile communications.

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