Foaming TPU color insole or shoe sole and production method thereof

Abstract

The invention relates to the field of shoes and particularly relates to a foaming TPU color insole or shoe sole which comprises 40 weight parts of liquid PU foaming material and 60 weight parts of solid color TPU foaming particles, wherein the liquid PU foaming material comprises 100 weight parts of material A and 70 weight parts of material B; the material A comprises 18KG of polyester polyol, 350G of ammonia fixing pre-catalyst, 80G of isopropyl ammonia post-catalyst, 180G of water, 360G of silicone oil and 300G of pigment; and the material B is isocyanate.

Description

technical field [0001] The invention relates to the field of shoes, in particular to a foamed TPU colored sole and insole with lightness, high elasticity, a boosting effect during exercise, dazzling and colorful, environmentally friendly, and concave-convex texture, and a manufacturing method thereof. Background technique [0002] At present, the materials of soles or insoles on the market mainly include the following types: TPR, RB, EVA, PU, ​​TPU, etc. The soles or insoles made of the above materials are relatively heavy except for EVA and PU materials, which are relatively light. Moreover, materials such as TPR, RB, and EVA are not environmentally friendly, and currently the soles or insoles need to be painted or painted in color to make them colorful, which firstly causes pollution to the environment, and more importantly, brings harm to the human body. Contents of the invention [0003] In order to solve the above problems, the present invention provides a foamed TPU ...

AI Technical Summary

Problems solved by technology

[0002] At present, the materials of soles or insoles on the market mainly include the following types: TPR, RB, EVA, PU, ​​TPU, etc. The soles or insoles made of the above materials are relatively heavy except for EVA and PU materials, which are relatively light. Moreover, materials such as TPR, RB, and EVA are not environmentally friendly, and currently the soles or insoles need to be painted and painted in color to make them colorful, which will first pollute the environment, and more importantly, bring harm to the human body.