點膠聚酯薄膜
菱(ling)格上(shang)膠(jiao)聚(ju)酯(zhi)薄膜(mo)產(chan)品又(you)稱“點膠(jiao)薄膜(mo)”。選用(yong)(yong)優質(zhi)的(de)(de)(de)聚(ju)酯(zhi)薄膜(mo)做基材(cai)(cai),經表面(mian)處(chu)理；呈(cheng)菱(ling)形點狀(zhuang)涂(tu)以(yi)改性(xing)特種耐高溫(wen)環(huan)氧類絕(jue)緣樹(shu)脂(zhi)膠(jiao)烘培而(er)成。單(dan)面(mian)菱(ling)格上(shang)膠(jiao)聚(ju)酯(zhi)薄膜(mo)產(chan)品常態呈(cheng)干(gan)爽狀(zhuang),沒有(you)(you)(you)完全固(gu)化(hua)具有(you)(you)(you)潛伏固(gu)化(hua)性(xing)，涂(tu)膠(jiao)樹(shu)脂(zhi)層(ceng)不是全面(mian)而(er)是呈(cheng)均勻菱(ling)格形點狀(zhuang)分布;未有(you)(you)(you)涂(tu)層(ceng)的(de)(de)(de)間(jian)隙在(zai)應(ying)(ying)用(yong)(yong)中呈(cheng)通道狀(zhuang),十分有(you)(you)(you)利于絕(jue)緣材(cai)(cai)料間(jian)空氣(qi)的(de)(de)(de)排(pai)出和降溫(wen),有(you)(you)(you)利于液體或氣(qi)體絕(jue)緣材(cai)(cai)料的(de)(de)(de)浸入,使(shi)電(dian)(dian)暈破壞和局部放電(dian)(dian)破壞減少到最小值。菱(ling)格涂(tu)膠(jiao)樹(shu)脂(zhi)在(zai)應(ying)(ying)用(yong)(yong)時,在(zai)線圈干(gan)燥(zao)過程中達到一定溫(wen)度、時間(jian)開(kai)始熔化(hua)產(chan)生固(gu)化(hua)反應(ying)(ying),產(chan)生粘結(jie)作用(yong)(yong); 隨著溫(wen)度的(de)(de)(de)上(shang)升(sheng)和時間(jian)的(de)(de)(de)延(yan)續又(you)開(kai)始固(gu)化(hua)。使(shi)繞(rao)組(zu)(zu)(zu)相鄰(lin)各層(ceng)可靠的(de)(de)(de)粘合(he)(he)成一個固(gu)定繞(rao)組(zu)(zu)(zu)單(dan)老元,改性(xing)環(huan)氧樹(shu)脂(zhi)的(de)(de)(de)粘合(he)(he)強(qiang)度足以(yi)防止短(duan)路時繞(rao)組(zu)(zu)(zu)各層(ceng)的(de)(de)(de)位移(yi),從而(er)保證了絕(jue)緣結(jie)構構的(de)(de)(de)長期(qi)的(de)(de)(de)機械物理性(xing)能(neng)。 廣泛(fan)應(ying)(ying)用(yong)(yong)于適用(yong)(yong)于干(gan)式(shi)變壓器氣(qi)體或油的(de)(de)(de)絕(jue)緣系統(tong)內作層(ceng)間(jian)絕(jue)緣、高電(dian)(dian)流電(dian)(dian)壓互感器、低壓線圈銅(鋁)箔繞(rao)包襯墊絕(jue)緣、以(yi)及B、F級電(dian)(dian)機、電(dian)(dian)器槽絕(jue)緣和匝間(jian)絕(jue)緣等。延(yan)伸使(shi)用(yong)(yong)于航空航天、汽車、電(dian)(dian)子(zi)電(dian)(dian)氣(qi)等領域。