Shanghai Daoqin Plastics Co., Ltd.

         can used for polypropylene (PP) flame retardant product types more, chemical formed can nano is large type: has machine flame retardant and machine flame retardant;按 use methods also separation is reaction type and add type. tool has table/sheet property flame retardant has bromine 系, nitrogen 系, and hydrogen oxidation aluminum, hydrogen oxidation and other.

         bromine flame retardant

         due to C—Br键 键 can relatively low, large separation bromine flame retardant in 200-300℃ lower separation understanding, temperature degree scope/range positive good is polypropylene (PP) separation understanding temperature degree scope/range, therefore in polypropylene (PP) hot separation understanding 时, bromine flame retardant 也开始进行 separation understanding, can polypropylene (PP) degradation reaction formed 自由基, from 而延缓 or 终止燃烧 链 reaction. bromine flame retardant separation understanding meanwhile 释放出HBr, this is types flame resistant gas 体, this type of gas density large, can cover/cap in material surface, to retardant surface can gas function, can made material 燃烧. this category of flame retardant also can and other 一 化 combined material (如三 oxidation 二锑)复配 use, through 协同效应 make flame retardant obvious to improve/increase. bromine flame retardant in polypropylene (PP) flame retardant application upper tool has important 位, main/primary product has bromine ether, bromine di 酚A, bromine 二季戊四 alcohol, bromine polystyrene (PS), bromine and bromine ring 十二烷 and other. bromine flame retardant main/primary disadvantages is reduce by flame retardant UV resistant stability property, 燃烧时生 formed relatively more 烟, property gas and has gas 体, make its application to 一定限 made.

        磷- nitrogen flame retardant

        磷- nitrogen flame retardant also 称膨胀 type flame retardant, has this category of flame retardant high poly material hot 时, surface can formed uniform carbon foam 层, to thermal insulation, oxygen, function, anti generate phenomenon, tool has good flame retardant property can. type flame retardant system generally 由三 部 separation formed: acid 源(脱 water agent), carbon 源(formed carbon agent) and gas 源(nitrogen 源, foaming 源). type flame retardant main/primary through formed more foam carbon in poly versus flame retardant function. nitrogen flame retardant tool has 无卤, low 烟, low advantages.

        磷系 flame retardant

        磷系 flame retardant therefore can to flame retardant function main/primary in its can make high poly material separation understanding 时 脱 water 炭化. this water steps must high poly material 本身 含 oxygen 基团, for/regarding structure tool has oxygen high poly material, it flame retardant 效果会 good. for/regarding polypropylene (PP) 讲, due to separation structure has oxygen 基团, mono use flame retardant flame retardant 效果不佳, is if and hydrogen oxidation aluminum and hydrogen oxidation and other 复配即 can generate 协同效应, from to good flame retardant 效果.

         commonly used has machine flame retardant has acid ester, acid 三甲苯 ester, acid 三(二甲苯) ester, 丙苯系磷 acid ester, 丁苯系磷 acid ester and other. acid ester type features is tool has flame retardant and increase di heavy function. it can make flame retardant achieve 无卤化, its increase function can make plastics molding flow processing property good, can made rear material. its main/primary advantages is efficiency relatively high; for light stabilization property or light stabilizer function effect/influence relatively small; processing and in property small; has retardant 碍复燃 function;极 less or increase flame retardant material quality; generate property gas and property gas ratio flame retardant less. large more acid ester type flame retardant in disadvantages, heat resistant property 差, property large, versus property 不理想, but also in 燃烧时 has material generate and other.

        含磷无 machine flame retardant most main/primary product has flame retardant, acid salt, poly acid and other. 随 无卤 flame retardant material use amount increase, flame retardant use amount in increase. flame retardant ratio acid ester type flame retardant more good. 含磷无 machine flame retardant its heat stabilized property good, 不挥发, generate property gas 体, 效果持久, property low and other advantages obtain application.

         hydrogen oxidation aluminum

         hydrogen oxidation aluminum (简称ATH) in 200-300℃ between separation understanding, hot amount is 1 967.8 J/g, is flame retardant, 抑烟, filling large function 于一身 flame retardant. it tool has 无毒, 无腐蚀, stability property good, 不挥发, high temperature lower generate has gas advantages, price low 廉, 源广泛. as is flame retardant, it has filling amount large, filling rear material force property can decline, processing property disadvantages. hydrogen oxidation aluminum separation understanding temperature degree positive polypropylene (PP) from versus is liquid versus process in, can made polypropylene (PP) material temperature degree upper rise. hydrogen oxidation aluminum add quality separation is 40%时, can significantly decrease material hot separation understanding speed degree, tool has flame retardant and reduce amount 效果.

         hydrogen oxidation 镁

         hydrogen oxidation in 340-490℃ between separation understanding, hot amount is 782.9 J/g, heat stabilized property good, tool has good flame retardant and 消烟效果, especially 适宜于 processing temperature degree relatively high polypropylene (PP) material. hydrogen oxidation used for polypropylene (PP) 时(添 add amount large 于50%) tool has good flame retardant 效果, excellent hydrogen oxidation aluminum. in same filling amount lower, different hydrogen oxidation aluminum, hydrogen oxidation ratio its flame retardant 效果差别不 obvious, types composite/compounding use ratio mono use need good, is is water reaction, in separation understanding temperature degree and hot amount upper has 差别. hydrogen oxidation in more high temperature degree lower water, meanwhile has 炭化效果. hydrogen oxidation 镁 吸 hot amount versus for small, its made material temperature degree upper rise 效果不如 hydrogen oxidation aluminum, composite/compounding use can versus 互补充, its flame retardant property can ratio mono use need good. hydrogen oxidation has resistant acid property 差, dispersion property and versus property and other disadvantages, development versus property good new product types.