Company News_第17页_Novista Chemicals - The pioneer of Flame retardant

26 2022-3
Mechanisms of brominated flame retardant Due to the low bond energy of the C—Br bond, most bromine-based flame retardants will decompose at 200-300℃. This temperature range is also the decomposition temperature range of polypropylene. Therefore, when polypropylene is thermally decomposed, bromine-based flame retardants will decompose. The fuel also begins to decompose, and can capture the free radicals generated by …
19 2022-3
What are the reasons why flame-retardant PP is used in the socket housing Currently, some switchboard enclosures are made of PC and ABS materials, but some are gradually replacing PC and ABS materials with flame-retardant PP. why? Let us see why: 1, flame retardant PP is usually cheaper than ABS and PC materials, so many manufacturers choose flame retardant PP for cost reasons. .. 2. Flame-retardant PP is considered as a safe housing material in hous…
19 2022-3
Production methods of brominated flame retardants and others Preparation of brominated flame retardant (39568-99-5): 2,3,5,6-tetrabromo-p-xylene was synthesized by reaction of p-xylene with Br2 catalyzed by AlCl3, and the product was replaced by a-H.1. Synthesis of tetrabromo-p-xylene: 1000kg bromine and 3kg anhydrous AlBr3 were added into the reactor in turn. Cooling with ice brine to 0-3 C, slowly adding 80 kg xylene under stirring. Whe…
19 2022-3
Encapsulated red phosphorus (RP) flame retardant masterbatch In order to increase the flame resistance of polymer materials, they are mainly used in polymer materials such as plastics, rubber, fibers and so on. Most of these materials can be burned. Plastics, in particular, must be used in transportation, construction, electrical equipment, aviation, space flight and so on. It is urgent to solve the problem of its anti-combustion. The use…
12 2022-3
Flame-retardant reaction mechanism of polymer materials 1. Endothermic effect The heat released during the combustion process heats the raw material, making it quickly reach the ignition point. The principle of endothermic flame retardancy is that the material needs to absorb a large amount of heat during the combustion process, which can reduce the heating process of the material. It is difficult for the free radicals cracked by the…
12 2022-3
The flame retardancy of tribromonepentyl alcohol does not mean that it is non-combustible. … 1. Non-combustible means that the substance itself cannot be burned, and flame-retardant means that it has no burning ability or is not easy to burn. 2. Flame retardant can sometimes be close to or in contact with fire sources, such as asbestos flame retardant, and gasoline needs to be fire resistant. Flame retardant can also be understood as fire resistance, which is different …
12 2022-3
What are the applications and challenges of tribromoneopentanol in the application of elect… In the 21st century, polymers and their derivatives are ubiquitous in our daily lives. In particular, some composite materials have gradually replaced the wide application of steel and aluminum alloys in the past few decades. Composite materials are generally composed of glass fiber, carbon, aramid or natural fiber reinforced organic polymer matrix. It is understood that the out…
5 2022-3
Do flame retardants actually stop the spread of fires? To answer that question, let’s use flame retardant furniture as an example. The number of upholstered furniture fires in the home environment dropped by 84 percent from 1980, the first year that data were available, to 2009, according to NFPA. While several factors have contributed to that sharp decline, the timeframe coincides with the use of flame retardants to meet flammabil…
5 2022-3
Flame Retardants Save Lives A smoldering cigarette could turn an apartment without flame retardant protection into an inferno in less than 3 minutes.However, if the chair, bedding, or carpet where the cigarette lay, had flame retardant, the fire might never have started. And if a fire did start, the flame retardants would have reduced the heat and spread of the fire, taking 10-15 minutes to be deadly. Flam…
5 2022-3
Why is flame retardant modification so complicated? Many customers will ask: Why is flame retardant modification so complicated? The following will tell you the complexity of flame retardant modification due to various reasons.First, the combustion process is complexCombustion has three conditions: combustible, combustion-supporting, and reaching the ignition point. Since combustibles have various phases (gaseous, liquid, solid, …