SY-P1B发(fa)(fa)泡胶(jiao)(jiao)为(wei)(wei)改性环(huan)氧单组(zu)分高温(wen)固(gu)(gu)化(hua)片(pian)状(zhuang)(zhuang)(或(huo)称为(wei)(wei)片(pian)状(zhuang)(zhuang))发(fa)(fa)泡胶(jiao)(jiao)粘剂,具(ju)有(you)一(yi)定(ding)的自粘性,在(zai)常温(wen)条件(jian)下可(ke)借(jie)助电(dian)吹风(feng)进(jin)行封边(bian)贴(tie)合(he)及蜂(feng)(feng)窝芯(xin)拼接组(zu)装(zhuang),供(gong)应状(zhuang)(zhuang)态(tai)为(wei)(wei)成卷或(huo)平装(zhuang)无(wu)载体(ti)胶(jiao)(jiao)膜,可(ke)用(yong)于金(jin)(jin)属(shu)蜂(feng)(feng)窝及非金(jin)(jin)属(shu)蜂(feng)(feng)窝承(cheng)力构件(jian)的制造。SY-P3B为(wei)(wei)高温(wen)固(gu)(gu)化(hua)粉(fen)状(zhuang)(zhuang)发(fa)(fa)泡胶(jiao)(jiao),主要用(yong)于填(tian)充(chong)增强(qiang)(qiang)。SY-P11A为(wei)(wei)中温(wen)固(gu)(gu)化(hua)片(pian)状(zhuang)(zhuang)发(fa)(fa)泡胶(jiao)(jiao)粘剂,主要用(yong)于封边(bian)贴(tie)合(he)及蜂(feng)(feng)窝芯(xin)拼接组(zu)装(zhuang)。SY-P6为(wei)(wei)中温(wen)固(gu)(gu)化(hua)粉(fen)状(zhuang)(zhuang)发(fa)(fa)泡胶(jiao)(jiao),主要用(yong)于填(tian)充(chong)增强(qiang)(qiang)。SY-P11A和(he)SY-P6发(fa)(fa)泡胶(jiao)(jiao),都具(ju)备中温(wen)固(gu)(gu)化(hua)中高温(wen)使用(yong)的特(te)性。上述发(fa)(fa)泡胶(jiao)(jiao)可(ke)用(yong)于战斗机、教练机、运输机和(he)轰炸机金(jin)(jin)属(shu)蜂(feng)(feng)窝舵面的蜂(feng)(feng)窝芯(xin)拼接及边(bian)缘(yuan)连(lian)接、碳纤(xian)维复合(he)材料副翼边(bian)缘(yuan)连(lian)接以(yi)及蜂(feng)(feng)窝芯(xin)的填(tian)充(chong)补(bu)强(qiang)(qiang),也用(yong)于雷达(da)天线罩的生产(chan)或(huo)蜂(feng)(feng)窝夹层结构的修补(bu),可(ke)在(zai)-55 ~ 177℃可(ke)长期使用(yong)。
【使用工艺】
•被粘物(wu)表面(mian)处(chu)(chu)理:2A12T4 (原牌(pai)号为LY12CZ)包铝铝合(he)(he)金胶(jiao)接件或(huo)试片表面(mian)建议(yi)按HB/Z197采用(yong)(yong)磷酸阳(yang)极化表面(mian)处(chu)(chu)理。钢试样或(huo)零件可(ke)采用(yong)(yong)喷砂(sha)处(chu)(chu)理。复(fu)合(he)(he)材料(liao)可(ke)用(yong)(yong)砂(sha)纸打磨至均匀的粗糙度,用(yong)(yong)刷子除去粉(fen)尘或(huo)用(yong)(yong)丙酮清洗(xi)。任何(he)金属或(huo)非金属蜂窝(wo)芯材可(ke)根据工艺(yi)要(yao)求进行(xing)相应的表面(mian)清洁(jie)处(chu)(chu)理,应确(que)保无油(you)污(wu)污(wu)染。
•预装配:制备(bei)试(shi)样应(ying)根据发泡胶固化后密度(du)和发泡胶所填充的空间(jian)(jian)体(ti)积来计算填充量。将胶接零(ling)件(jian)(jian)的表面相(xiang)互仔细修合,封边(bian)零(ling)件(jian)(jian)的间(jian)(jian)隙(xi)应(ying)不大于1.5mm,蜂窝芯材(cai)之间(jian)(jian)拼接的间(jian)(jian)隙(xi)应(ying)不大于2.0mm。
•固化(hua)保温(wen)(wen)(wen)时间(jian)及压力:胶接(jie)压力为0MPa~0.3MPa,升(sheng)温(wen)(wen)(wen)速率为2℃/min~3℃/min (推荐),SY-P1B和(he)SY-P3B温(wen)(wen)(wen)度(du)升(sheng)至175℃ ± 5℃(温(wen)(wen)(wen)度(du)指(zhi)制(zhi)件温(wen)(wen)(wen)度(du))后保温(wen)(wen)(wen)2.0h± 0.5h, SY-P11A和(he)SY-P6温(wen)(wen)(wen)度(du)升(sheng)至125℃ ± 5℃(温(wen)(wen)(wen)度(du)指(zhi)制(zhi)件温(wen)(wen)(wen)度(du))后保温(wen)(wen)(wen)2.0h±0.5h,固化(hua)后的降(jiang)温(wen)(wen)(wen)速率为1.5℃/min ~ 2.0℃/mino制(zhi)件60℃以下方可取(qu)出。
【包装.运输(shu)及贮存】
•包装(zhuang)、运(yun)输:片状(zhuang)发泡(pao)胶(jiao)以聚乙烯薄膜作为(wei)隔离(li)层(ceng),平放在纸箱中(zhong)(zhong)。粉状(zhuang)发泡(pao)胶(jiao)或糊状(zhuang)发泡(pao)胶(jiao)密封包装(zhuang)于(yu)铁皮桶或塑料桶中(zhong)(zhong)。按非危险品运(yun)输,在室温条件(jian)下(xia)运(yun)输不应超过(guo)5d,注意防潮(chao),轻拿轻放。
贮存(cun):SY-P1B发(fa)泡胶(jiao)、SY-P3B和SY-P6发(fa)泡胶(jiao)可室(shi)温(wen)贮存(cun),SY-P1B发(fa)泡胶(jiao)室(shi)温(wen)(25℃以下(xia))累计外置时(shi)间
•不(bu)超(chao)(chao)过(guo)12个月(yue);SY-P3B和(he)SY-P6发(fa)泡(pao)(pao)(pao)胶的室(shi)温(wen)(wen)(25℃以下(xia))累计(ji)外置(zhi)时间(jian)不(bu)超(chao)(chao)过(guo)9个月(yue)。SY-P11A发(fa)泡(pao)(pao)(pao)胶应贮(zhu)存于温(wen)(wen)度为(wei)(wei)-18℃的冰柜或(huo)冷库中,密(mi)封包装,在(zai)使(shi)(shi)用(yong)前保持密(mi)封状态于室(shi)温(wen)(wen)下(xia)解冻8h ~ 24h在(zai)拆开包装使(shi)(shi)用(yong),室(shi)温(wen)(wen)累计(ji)外置(zhi)时间(jian)不(bu)超(chao)(chao)过(guo)10d。发(fa)泡(pao)(pao)(pao)胶从生产日期(qi)起(qi),SY-P1B发(fa)泡(pao)(pao)(pao)胶、SY-P3B和(he)SY-P6发(fa)泡(pao)(pao)(pao)胶在(zai)20℃以下(xia)有(you)效贮(zhu)存期(qi)一(yi)年(nian),5Y-P11A发(fa)泡(pao)(pao)(pao)胶于温(wen)(wen)度为(wei)(wei)-10℃的环(huan)境中的有(you)效贮(zhu)存期(qi)一(yi)年(nian)。过(guo)明(ming)发(fa)泡(pao)(pao)(pao)胶检验合格(ge)后仍可(ke)使(shi)(shi)用(yong),但总的贮(zhu)存期(qi)不(bu)得超(chao)(chao)过(guo)二年(nian)。
【应用(yong)领域】•航空、航天领域或其他民用(yong)领域。