A kind of sponge with good thermal insulation and preparation method thereof

Abstract

The invention discloses sponge with high heat-insulating property and a preparation method thereof. The sponge is prepared from the following raw materials in parts by weight: 6 to 7 parts of dichloromethane, 40 to 50 parts of polyether, 28 to 32 parts of diphenyl methane diisocyanate, 5 to 6 parts of barite powder, 2 to 4 parts of aluminum oxide, 8 to 10 parts of hollow glass microspheres, 5.0 to 6.5 parts of zinc stearate, 0.2 to 0.5 part of zirconium acetylacetonate, 0.9 to 1.3 parts of didodecanol ester, 0.5 to 1.5 parts of di(dimethyl amino ethyl)ether, 3.0 to 4.0 parts of sodium hydrogen carbonate, 1.0 to 2.0 parts of sodium tripolyphosphate, 4 to 5 parts of a modifying agent and 7.0 to 10.0 parts of water. The sponge has the characteristics of excellent flexibility, elasticity, anti-static property and water tolerance; and the didodecanol ester has strong oxidation resistance, so the sponge can be prevented from being oxidized in the air and cannot change color; and the hollow glass microspheres can insulate heat, so the heat-insulating effect of the sponge is improved.

Description

technical field [0001] The invention relates to a preparation method of a sponge, in particular to a sponge with good thermal insulation and a preparation method thereof. Background technique [0002] Sponge products have been gradually popularized in people's lives, including seats, sofas, mattresses and other household items made of sponges. Polyether polyols are the main raw materials for the production of polyurethane sponges. Polyether polyols are generally used in the production of polyurethane sponges. Alcohols usually use petroleum-based polyether polyols. However, polyurethane made of petroleum-based polyether polyols has high stability and is difficult to decompose in a natural state; making them non-degradable is not conducive to environmental protection and sustainable development. With the expansion of the application field of sponge products, the market needs a large amount of sponge supply. Due to the many performance defects of the current sponges, there are ...

AI Technical Summary

Problems solved by technology

[0002] Sponge products have been gradually popularized in people's lives, including seats, sofas, mattresses and other household items made of sponges. Polyether polyols are the main raw materials for the production of polyurethane sponges. Polyether polyols are generally used in the production of polyurethane sponges. Alcohols usually use petroleum-based polyether polyols. However, polyurethane made of petroleum-based polyether polyols has high stability and is difficult to decompose in a natural state; making them non-degradable is not conducive to environmental protection and sustainable development. With the expansion of the application field of sponge products, the market needs a large supply of sponges. Because the current sponges have many performance defects, there are potential safety hazards in the use of sponges.