隨sui著zhe我wo國guo經jing濟ji發fa展zhan的de需xu要yao伴ban隨sui著zhe工gong程cheng塑su料liao,改gai性xing塑su料liao的de應ying用yong普pu及ji。阻zu燃ran劑ji作zuo為wei塑su料liao橡xiang膠jiao助zhu劑ji中zhong的de重zhong要yao品pin種zhong其qi應ying用yong也ye日ri益yi廣guang泛fan。需xu求qiu量liang不bu斷duan增zeng加jia。
阻燃劑其按元素種類分為:鹵係、磷係、鹵-磷係、氮係、矽係、鋁鎂係等,按化學結構分為無機阻燃劑、有機阻燃劑、高分子阻燃劑等,按阻燃劑與被阻燃材料關係分為添加型阻燃劑和反應型阻燃劑。
鹵(lu)係(xi)阻(zu)燃(ran)劑(ji)是(shi)目(mu)前(qian)產(chan)量(liang)最(zui)大(da)應(ying)用(yong)最(zui)多(duo)的(de)阻(zu)燃(ran)劑(ji)之(zhi)一(yi)。其(qi)阻(zu)燃(ran)機(ji)理(li)主(zhu)要(yao)是(shi)在(zai)添(tian)加(jia)了(le)阻(zu)燃(ran)劑(ji)的(de)材(cai)料(liao)燃(ran)燒(shao)時(shi)阻(zu)燃(ran)劑(ji)分(fen)解(jie)釋(shi)放(fang)出(chu)鹵(lu)化(hua)氫(qing),鹵(lu)化(hua)氫(qing)捕(bu)獲(huo)傳(chuan)遞(di)燃(ran)燒(shao)鏈(lian)或(huo)自(zi)由(you)基(ji),生(sheng)成(cheng)活(huo)性(xing)較(jiao)低(di)的(de)鹵(lu)自(zi)由(you)基(ji)從(cong)而(er)減(jian)緩(huan)或(huo)中(zhong)止(zhi)燃(ran)燒(shao),鹵(lu)化(hua)氫(qing)和(he)燃(ran)燒(shao)時(shi)生(sheng)成(cheng)的(de)鹵(lu)素(su)自(zi)由(you)基(ji)具(ju)有(you)非(fei)揮(hui)發(fa)性(xing)和(he)低(di)遷(qian)移(yi)性(xing),容(rong)易(yi)在(zai)燃(ran)燒(shao)的(de)表(biao)麵(mian)對(dui)氧(yang)氣(qi)產(chan)生(sheng)稀(xi)釋(shi)作(zuo)用(yong)從(cong)而(er)也(ye)有(you)利(li)於(yu)阻(zu)止(zhi)燃(ran)燒(shao),市(shi)場(chang)常(chang)用(yong)品(pin)種(zhong)目(mu)前(qian)有(you)近(jin)百(bai)種(zhong)。包(bao)括(kuo)十(shi)溴(xiu)二(er)苯(ben)醚(mi),四(si)溴(xiu)雙(shuang)酚(fen)A,八溴醚,十溴二苯乙烷,四溴醚,溴代聚苯乙烯,六溴環十二烷及氯化石蠟,得克隆,CPE等。
鹵lu係xi阻zu燃ran劑ji主zhu要yao應ying用yong在zai熱re塑su性xing塑su料liao和he熱re固gu性xing樹shu脂zhi中zhong,熱re塑su性xing塑su料liao中zhong阻zu燃ran劑ji的de應ying用yong以yi溴xiu係xi的de十shi溴xiu二er苯ben醚mi,十shi溴xiu二er苯ben乙yi烷wan,八ba溴xiu二er苯ben醚mi,溴xiu代dai聚ju苯ben乙yi烯xi等deng為wei主zhu,鹵lu係xi阻zu燃ran劑ji具ju有you阻zu燃ran效xiao率lv高gao,價jia格ge適shi中zhong,對dui阻zu燃ran製zhi品pin性xing能neng影ying響xiang小xiao,與yu塑su料liao等deng相xiang溶rong性xing好hao,使shi用yong方fang便bian等deng諸zhu多duo優you點dian。因yin此ci受shou到dao市shi場chang的de青qing睞lai。在zai電dian子zi電dian器qi,汽qi車che,建jian築zhu,包bao裝zhuang,紡fang絲si等deng行xing業ye的de塑su料liao製zhi品pin阻zu燃ran中zhong由you於yu對dui材cai料liao的de機ji械xie性xing能neng要yao求qiu苛ke刻ke,鹵lu係xi阻zu燃ran劑ji幾ji乎hu是shi一yi枝zhi獨du秀xiu。鹵lu係xi的de十shi溴xiu二er苯ben醚mi,十shi溴xiu二er苯ben乙yi烷wan,四si溴xiu雙shuang酚fenA等在阻燃熱固性樹脂方麵也有非凡表現,但有被價格低廉的無機阻燃劑和磷係取代的趨勢。
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無機阻燃劑中應用較多的品種是氫氧化鎂和氫氧化鋁。白色、無wu毒du粉fen末mo。加jia熱re後hou脫tuo水shui起qi到dao阻zu燃ran作zuo用yong,純chun度du較jiao高gao時shi可ke以yi作zuo為wei阻zu燃ran劑ji使shi用yong。經jing過guo特te殊shu工gong藝yi處chu理li後hou其qi顆ke粒li直zhi徑jing可ke達da到dao微wei米mi級ji。在zai橡xiang膠jiao阻zu燃ran中zhong應ying用yong較jiao多duo,一yi般ban達da到daoV0級阻燃標準添加量在40%-70%,guogaodetianjialiangduicailiaokeguanshangqidaoletianchongzuoyong。zairesuxingsuliaozhongyingyongkenenghuishichanpinyoumingxianbiancuijixiang,xingnengdadaxiajiang。yibanxupeiheqitazuranjigongtongshiyong。
氮係阻燃劑主要有三聚氫胺及其鹽,雙氰胺,胍鹽等。商品化品種以三聚氫胺及其鹽為主。包括MC、MA等(deng),通(tong)過(guo)分(fen)解(jie)吸(xi)熱(re)及(ji)生(sheng)成(cheng)不(bu)燃(ran)性(xing)氣(qi)體(ti)稀(xi)釋(shi)可(ke)燃(ran)物(wu)而(er)發(fa)揮(hui)作(zuo)用(yong),在(zai)工(gong)程(cheng)類(lei)塑(su)料(liao)中(zhong)表(biao)現(xian)相(xiang)對(dui)突(tu)出(chu),添(tian)加(jia)量(liang)低(di)時(shi)效(xiao)果(guo)往(wang)往(wang)不(bu)十(shi)分(fen)明(ming)顯(xian),與(yu)樹(shu)脂(zhi)相(xiang)溶(rong)性(xing)不(bu)如(ru)溴(xiu)係(xi),目(mu)前(qian)國(guo)內(nei)商(shang)品(pin)化(hua)品(pin)種(zhong)不(bu)多(duo)。
矽係阻燃劑多為交聯阻燃的機理,受到價格和技術等方麵的製約,目前商品化品種不多。
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阻燃劑的延伸品種-阻zu燃ran母mu料liao。阻zu燃ran母mu料liao亦yi稱cheng阻zu燃ran母mu粒li,阻zu燃ran劑ji母mu粒li,防fang火huo母mu粒li等deng。一yi般ban為wei藥yao片pian大da小xiao顆ke粒li,往wang往wang有you多duo種zhong阻zu燃ran劑ji成cheng份fen複fu配pei而er成cheng經jing雙shuang螺luo杆gan或huo三san螺luo杆gan擠ji出chu機ji混hun煉lian、塑化、擠出、zaoli。qizuichushiweilejiejuezuranjifenliaozaishiyongguochengzhongrongyichanshengfenchenwuranhefensanbujunyunershejidechanpin。jingguolidaidefazhanzuranmuliaoyijingxingchengsuliaoxiangjiaozhujizhongdeyigepinzhongbingxingchengyigexingye。qigongnengyuelaiyuededaojiaqiang,budanjiejuelefenchenwuran、分散不均的問題,其阻燃效率、與樹脂的相溶性、對(dui)工(gong)藝(yi)的(de)適(shi)應(ying)性(xing)也(ye)得(de)到(dao)了(le)進(jin)一(yi)步(bu)的(de)提(ti)高(gao),甚(shen)至(zhi)還(hai)可(ke)以(yi)根(gen)據(ju)需(xu)要(yao)賦(fu)予(yu)其(qi)它(ta)功(gong)能(neng),成(cheng)本(ben)優(you)勢(shi)也(ye)逐(zhu)漸(jian)得(de)以(yi)體(ti)現(xian),為(wei)阻(zu)燃(ran)製(zhi)品(pin)生(sheng)產(chan)企(qi)業(ye)節(jie)約(yue)了(le)設(she)備(bei)、研發、生產、采購及額外浪費等諸多方麵的成本。有利用阻燃製品企業集中精力做優勢產業,有利於企業模塊化、規模化生產。
博亦達公司在06年為市場推出了優勢產品-高效阻燃母料。分別適應聚烯烴和苯乙烯類塑料阻燃。推出之日起便受到了市場的熱烈認可。其環保性、阻燃的高效性、阻燃製品的優良力學表現、極佳的耐候性和對工藝的適宜性、經濟的使用成本得到了大多數客戶的極度稱讚。在阻燃線束波紋管、丙綸紡絲、塑料中空板、電器注塑件、塑料薄膜、汽車內飾件上都得到了應用。公司秉承嚴謹、負責、求實、高效的企業作風,本著誠信、互利、求實、發展的態度與各界同仁交流、合作。 |