Bamboo charcoal polyurethane foam composite material and production method thereof

Abstract

The invention relates to a bamboo charcoal polyurethane foam composite material, which comprises the following raw materials in portion by weight: 30 to 70 portions of polyether polyol, 30 to 70 portions of toluene di-isocyanate, 5 to 10 portions of bamboo charcoal powder and a dispersing agent thereof, and a certain amount of mold-release agent, catalyst, blowing promoter and the like. The production method comprises four production steps of the production of the bamboo charcoal powder, the preparation of composite bamboo charcoal powder, the preparation of a prepolymer, and the preparation of the foam composite material. The bamboo charcoal polyurethane foam composite material is suitable for manufacturing compartment sandwich materials, sofas, seat cushions, mattresses and the like, is soft and comfortable and is rich in elasticity, has the advantages of strong performances of absorbing free formaldehyde, releasing negative ions and emitting far infrared rays, and is advantageous for the health of human bodies.

Description

【Technical field】 [0001] The invention relates to a polyurethane foam composite material mixed with bamboo charcoal powder and a production method thereof. 【Background technique】 [0002] Polyurethane foam materials have been widely used in people's daily life, such as interlayer materials for carriages, seats, beds, pads, etc. Most of them use their porous and elastic characteristics to give people a soft and comfortable feeling. But although ordinary foam material can absorb moisture, it is not easy to distribute moisture, and it is easy to breed germs due to the smell of dirt. For this reason, CN1865326 discloses "a kind of bamboo charcoal sponge and its preparation method", and CN1478817 discloses "antibacterial elastic polyurethane nanocomposite material and its preparation". Method", it is beneficial to increase and improve the moisture absorption and drying, antibacterial and deodorizing properties of the foamed material. But the bamboo charcoal in the CN1865326 pate...

AI Technical Summary

Problems solved by technology

But although ordinary foam material can absorb moisture, it is not easy to distribute moisture, and it is easy to breed germs due to the smell of dirt. For this reason, CN1865326 discloses "a kind of bamboo charcoal sponge and its preparation method", and CN1478817 discloses "antibacterial elastic polyurethane nanocomposite material and its preparation". method", which is beneficial to increase and improve the moisture absorption and drying, antibacterial and deodorizing properties of foamed materials

But the bamboo charcoal in the CN1865326 patent application contains 15%-50% in the sponge, the ratio is too high, which affects the maintenance of the original characteristics of the sponge, and the bamboo charcoal is not specifically processed and selected, and the relevant excellent characteristics of the bamboo charcoal cannot be fully explored.

The composite material of CN1478817 patent application contains heavy metal ions and organic antibacterial agents, which to a certain extent cause environmental pollution and the emergence of drug-resistant bacteria

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