粘扣帶(dai)用(yong)熱熔壓敏膠除了應(ying)提(ti)供合適的基本粘接(jie)物(wu)性,如初期粘著力、剝(bo)離力、及(ji)持粘力外,還需具備有下(xia)列特性:
1)良(liang)好的熱穩定性:
一(yi)般高(gao)分子在(zai)170℃以上(shang)(shang)的環境作(zuo)業時(shi)(shi)會產生(sheng)斷鍵現象。一(yi)個品(pin)質好的熱(re)(re)(re)(re)(re)(re)(re)熔(rong)(rong)(rong)壓敏膠(jiao)(jiao)(jiao)必需(xu)在(zai)提供(gong)給涂(tu)布應用廠商時(shi)(shi)具(ju)有甚佳的抗老化(hua)、裂(lie)解(jie)的熱(re)(re)(re)(re)(re)(re)(re)穩定(ding)特性(xing)。熱(re)(re)(re)(re)(re)(re)(re)穩定(ding)性(xing)能不佳的熱(re)(re)(re)(re)(re)(re)(re)熔(rong)(rong)(rong)壓敏膠(jiao)(jiao)(jiao)會在(zai)高(gao)溫作(zuo)業期間快速(su)碳(tan)化(hua)而附著于熔(rong)(rong)(rong)膠(jiao)(jiao)(jiao)槽壁(bi)、模頭內部或上(shang)(shang)膠(jiao)(jiao)(jiao)輥輪上(shang)(shang)。這些碳(tan)化(hua)的熱(re)(re)(re)(re)(re)(re)(re)熔(rong)(rong)(rong)膠(jiao)(jiao)(jiao)會影響(xiang)熱(re)(re)(re)(re)(re)(re)(re)媒或電熱(re)(re)(re)(re)(re)(re)(re)系統的熱(re)(re)(re)(re)(re)(re)(re)傳導,使得上(shang)(shang)膠(jiao)(jiao)(jiao)時(shi)(shi)必需(xu)不斷的加(jia)(jia)高(gao)作(zuo)業溫度來熔(rong)(rong)(rong)解(jie)熱(re)(re)(re)(re)(re)(re)(re)熔(rong)(rong)(rong)膠(jiao)(jiao)(jiao),更(geng)加(jia)(jia)速(su)了熱(re)(re)(re)(re)(re)(re)(re)熔(rong)(rong)(rong)膠(jiao)(jiao)(jiao)的劣(lie)化(hua)。
2)外觀:淺(qian)色透明
應用于(yu)各(ge)種彩色織帶的(de)熱熔(rong)壓敏膠的(de)顏(yan)色應該是(shi)淺色透明的(de),這樣才(cai)不會影響整個織帶的(de)外觀。高(gao)(gao)分子(zi)中活性(xing)(xing)較高(gao)(gao)的(de)分子(zi)鍵(jian)。當高(gao)(gao)分子(zi)中的(de)變(bian)鍵(jian)經(jing)過氫化(hua)處理后會飽(bao)和而(er)變(bian)成單鍵(jian)。氫化(hua)后的(de)高(gao)(gao)分子(zi)顏(yan)色變(bian)淺、活性(xing)(xing)降低、穩定性(xing)(xing)增加、耐熱、耐候性(xing)(xing)均可提(ti)高(gao)(gao)。但是(shi),由于(yu)活性(xing)(xing)降低,粘(zhan)(zhan)度將相對(dui)減(jian)弱。必須(xu)調節熱熔(rong)壓敏粘(zhan)(zhan)合劑的(de)粘(zhan)(zhan)彈性(xing)(xing)以改善(shan)粘(zhan)(zhan)合性(xing)(xing)能。
3)特殊粘著物性(xing):沒(mei)有任何一個接著劑(ji)是(shi)萬能(neng)的(de)。粘扣帶用(yong)(yong)熱(re)(re)(re)熔(rong)壓(ya)敏(min)膠的(de)基本物性(xing)要(yao)求為(wei)熱(re)(re)(re)熔(rong)膠與被(bei)接著物間的(de)抓力(li)(li)必須大于(yu)織帶(鉤、毛(mao))間的(de)拉力(li)(li)(剝離(li)力(li)(li))及(ji)剪(jian)切(qie)刀(平等力(li)(li))。然而,在許多特殊應用(yong)(yong)市(shi)場,粘扣帶用(yong)(yong)熱(re)(re)(re)熔(rong)壓(ya)敏(min)膠還須考慮耐熱(re)(re)(re)、耐寒性(xing)及(ji)對低極(ji)性(xing)物質的(de)接著力(li)(li)。
邦(bang)林服務于粘扣帶行業十余年,積(ji)累了豐(feng)富的應用(yong)經驗,提供經市場驗證的穩(wen)定(ding)(ding)產品。粘扣帶用(yong)熱熔膠系列產品廣泛(fan)應用(yong)于紗窗門簾固(gu)定(ding)(ding)、汽車腳墊固(gu)定(ding)(ding)、箱包鞋服固(gu)定(ding)(ding)、線束(shu)固(gu)定(ding)(ding)、一次性(xing)拖把(ba)固(gu)定(ding)(ding)等市場。產品具備(bei)良好的粘結(jie)力和持粘力;以(yi)低(di)用(yong)膠量實現高(gao)粘結(jie)性(xing)能;出(chu)色的高(gao)低(di)溫性(xing)能保證粘結(jie)有效(xiao)性(xing)。
產品:
705(汽車腳墊/箱包服(fu)飾):低用膠量,高性(xing)價比
701A(一次性拖(tuo)把(ba)):較(jiao)強的粘著力(li),均衡的高低溫性能(neng)
3388T(線束固定背靠(kao)背):粘(zhan)著力強、易模切(qie)
701E(紗(sha)窗門簾(lian)):超強(qiang)的粘著(zhu)力(li)、耐熱性能(neng)突出
国产黄色三级精品粘扣带用热熔压敏胶应具备的特性-杭州邦林粘合科技有限公司
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