Small mattresses are buried with amazing security risks

At present, most of the main filling materials for mattresses with the largest market share are mainly polyurethane (PU) sponges, which are chemical products mainly consisting of “polyol (ether)” + “TDI” + “foaming”. Agents and other additives" and a variety of chemical agents reacted and foamed. Not only does its material pose a safety hazard to human health, but its production process also causes great pollution to the environment.

PU sponge

PU sponge production materials

First, the harm caused by PU sponge raw materials

1. Toluene diisocyanate (TDI) not only endangers its own health, but also affects the health of the next generation.

Toluene diisocyanate (TDI), which is formed by the reaction of toluenediamine with phosgene (phosgene is a combination of carbon monoxide and chlorine gas, all of which are toxic gases, and during the First World War, phosgene and chlorine were treated as Military gas is used), water white or light yellow liquid, has a strong pungent odor, has accumulation and latent in the human body, and has a strong stimulating effect on the skin, eyes and respiratory tract. Inhalation of high concentrations of toluene diisocyanate vapor can cause bronchitis, bronchial pneumonia and pulmonary edema; contact with the skin can cause dermatitis, and contact with the eyes can cause severe irritation, which can cause permanent damage if left untreated.

Expert experiment

In addition, the results of experiments on mice indicate that toluene diisocyanate (TDI) is genotoxic. That is to say, the toxic micro-TDI gas is dissipated by the sponge, and the threat of absorption through the skin always exists, and TDI not only affects our health, but also the hereditary effect of its toxicity affects our female breastfeeding, and more indirect effects. To our next generation!

2, antioxidants, anti-aging agents, anti-yellowing agents, fluorescent whitening agents and other chemical additives have cancer-causing threats.

Chemical additives

Most chemical additives are chemical products, and many benzene-containing chemicals have proven to be carcinogenic. Therefore, many chemical additives are harmful to health, especially fluorescent whitening agents. Fluorescent whitening agents are a kind of Fluorescent dyes, or white dyes, are also complex organic compounds. Its characteristic is that it can excite the incident light to produce fluorescence, so that the dyed substance can obtain the effect of sparkling like fluorite, so that the substance seen by the naked eye is very white and achieves whitening effect. In recent years, it has been found that fluorescent whitening agents are carcinogenic and have great harm to human health. Therefore, in many industries, the use of fluorescent whitening agents to make food packaging wrappers and napkins is prohibited.

First, the harm caused by PU sponge raw materials to the environment

1, foaming aids, CFC-11 and other ozone layer destruction.

Ozone layer

CFC-11 (commonly known as Freon or refrigerant) foaming agent widely used in the sponge industry contains two Cl in the molecule? Is the free radical Cl of chlorine decomposed by high-energy ultraviolet radiation in the atmosphere? , Cl? The following chemical reactions can occur: Cl? +O3→ClO+O2 ClO+O? →Cl? +O2.

Can be seen from the above chemical reaction, Cl? Not only will the ozone layer be consumed, but it can be regenerated, so a Cl? Can consume thousands of ozone molecules. Therefore, CFC-11 (commonly known as Freon or refrigerant) foaming agent will destroy the ozone layer that protects the earth, causing the temperature of the earth to rise, coupled with the greenhouse effect caused by CO2. (The synthesis process of PU sponge will also release a large amount of CO2, carbon dioxide. ), exacerbating the temperature change. Scientists believe that the expansion of the earth's crust has caused frequent earthquakes, and even climate anomalies everywhere are related to the above reasons.

China officially joined the Montreal Protocol on Substances that Deplete the Ozone Layer on June 14, 1991, and received financial and technical support from the Montreal Multilateral Fund. China's responsibility is to follow the Protocol ODS (Ozone Depleting Substance). Ozone-depleting substances) The progress and timetable for the phase-out target, and the phase-out work will be completed as scheduled. For the PU sponge industry, it is scheduled to completely ban the use of CFC-based chemicals in 2010; despite the efforts and research and development of “water-based foaming agents” and others, the same “price-performance” alternatives have not been found.

2. The consumption of huge amounts of polyurethane material causes black (oil) pollution to become increasingly serious.

Black pollution

With the expansion of the industry scale, huge amounts of polyurethane materials are consumed each year, and most of the current polyurethane materials are petroleum downstream products, which consume a large amount of petroleum resources every year. As we all know, black oil is a strategic resource, not renewable, but from exploration → mining → storage and transportation → cracking → deep processing, but no energy consumption, resulting in a greater amount of CO2 emissions, greatly increasing the total amount of CO2 in the atmosphere. The contrasting background is that China's oil recoverable reserves are only 2.3 billion tons. At the current rate, the recoverable period is only 14 years. --Shocking!

3. A large amount of waste polyurethane foam makes the problem of white pollution increasingly prominent.

White pollution

A large amount of waste polyurethane foam is produced during the foaming process of polyurethane and when it is scrapped. Because polyurethane foam is highly toxic, natural decomposition takes more than 100 years, and garbage disposal is very problematic. Most of the discarded foam eventually forms “white pollution”. As the scale of the industry expands, this problem is also increasingly apparent.

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HHCMS-200 Carbon Molecular Sieve
CMS-200 is a new kind of non-polar adsorbent specially designed for extracting nitrogen-rich gas from air. It is suitable for separating nitrogen from air. It has a high adsorption capacity for oxygen and can separate nitrogen from air.
The most notable feature of the carbon molecular sieve is its high gas-producing efficiency, especially the preparation of nitrogen with a purity of less than 99.5%.

It is widely used in large air nitrogen making equipment.

Project parameters

The diameter of:1.0-1.3   1.3-1.5

Packing density:≥660kg/m³

The intensity of particle:≥95

Compressive strength abrasion:≤1%

The moisture content:≤0.5%

Standard packing:20Kg/barrel. 40Kg/barrel. 130Kg/barrel

The adsorption time of test condition was 58s with an average pressure of 1-2s

Adsorption pressure

Nitrogen purity (%)

Yield (Nm3/ h.t.)

Nitrogen recovery rate


















































Pay attention to
1. The nitrogen production equipment can reduce the adsorption temperature to better show its excellent nitrogen production performance under conditions;
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Carbon Molecular Sieve HHCMS-200

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