Shanghai Daoqin Plastics Co., Ltd.

膨胀 type flame retardant （IFR） is types environmental protection green flame retardant, 不含卤素, using/adopting oxidation is agent, its system tool has function. 含膨胀 type flame retardant plastics in 燃烧时 surface formed foam 层, to thermal insulation, oxygen, 抑烟, anti and other 功效, tool has excellent flame retardant property can, low 烟, low 毒, 无腐蚀 property gas generate, combined future flame retardant research development direction, already formed is inner outer most is active flame retardant research field/area 之一.

膨胀 type flame retardant agent (IFR) is types nitrogen, is main/primary formed composite/compounding flame retardant, it 不含卤素, using/adopting oxidation as is agent, type flame retardant in hot foaming 膨胀, is type flame retardant, it is type high low 毒 environmental protection type flame retardant. 20世纪90 year rear, type flame retardant research 逐渐开始 active 跃, it by is is achieve flame retardant 无卤化 has 效途径之一, its in textile product flame retardant in tool force.

膨胀 type flame retardant has basic elements. acid 源, and gas 源. acid also water agent or promote agent, generally is machine acid or in can 原位生 formed acid combined material, acid, acid, acid and acid ester and other; 炭源也叫 formed agent, it is formed foam 炭化层 基础, main/primary is 一 含 carbon amount high more 羟基化 combined material, powder, 蔗糖, 糊精, ***, ethylene glycol, aldehyde resin and other; gas 源也叫 foaming 源, is nitrogen combined material, 如尿素, poly amine, polyamide (PA) and other. separation in, acid most is main/primary, ratio/proportion most large, flame retardant 元素含于 acid in, therefore acid is true positive upper flame retardant, carbon and foaming agent is agent.

IFR flame retardant function main/primary is in material surface formed more foam 焦炭层, it is more versus system, has solid and liquid and gas material. 炭层 flame retardant property main/primary in: make hot difficult 于穿透凝 poly versus, retardant oxygen gas 进入燃烧区域, retardant degradation formed gas or liquid material 溢出材 material surface. carbon formed process is: in 150℃ left right, acid generate can ester more alcohol and can as is water agent acid; in high temperature degree lower, acid and carbon 源进行 ester reaction, system in amine as is ester reaction catalytic agent, accelerated reaction; system in ester reaction front and ester process in melt, reaction process in generate property gas make already 处于熔 melt system foaming, and meanwhile, more alcohol and ester water carbon 化, formed machine material and carbon material, system 进一步 foaming; reaction 接近完 formed 时, system and solid 化, most rear formed more foam 炭层.

膨胀 type flame retardant used for fiber and material main/primary through types methods, is will flame retardant made formed liquid, through coating and other methods to material surface, fiber large more using/adopting methods; is will type flame retardant as is types copolymer mono add to polymer in, large more used for combined formed fiber flame retardant.

combined formed types tool acid 源, and gas 源三位一体 膨胀 type flame retardant is flame retardant research hot 点. in addition, improve/increase type flame retardant heat stabilized property, meet/satisfy polymer high temperature processing need, is type flame retardant in the future development direction.