有機玻(bo)璃(亞(ya)克力)板材的(de)種類
亞克力板(ban)材(cai)的規格種(zhong)類很多(duo)。普通(tong)板(ban)有(you):透(tou)明板(ban),染(ran)色(se)透(tou)明板(ban),乳白(bai)板(ban),彩色(se)板(ban);特種(zhong)板(ban)有(you):衛浴板(ban),云彩板(ban),鏡面板(ban),夾布(bu)板(ban),中空板(ban),抗(kang)沖板(ban), 阻燃板,超耐磨(mo)板,表面花紋板,磨(mo)砂(sha)板,珠光板,金(jin)屬效(xiao)果板等。不同(tong)(tong)的(de)性能,不同(tong)(tong)的(de)色(se)彩(cai)及視(shi)覺效(xiao)果以滿足千變(bian)萬化(hua)的(de)要求。
1、亞(ya)克力(li)板(ban)(ban)(ban)(ban)按(an)生產工(gong)藝分(fen)澆(jiao)鑄板(ban)(ban)(ban)(ban)和擠(ji)壓板(ban)(ban)(ban)(ban),按(an)透光度可分(fen)為透明板(ban)(ban)(ban)(ban)、半透明板(ban)(ban)(ban)(ban)(包括染色板(ban)(ban)(ban)(ban)透明板(ban)(ban)(ban)(ban))、色板(ban)(ban)(ban)(ban)(包括黑白及彩色板(ban)(ban)(ban)(ban));按(an)性能(neng)分(fen)抗沖擊(ji)板(ban)(ban)(ban)(ban)、抗紫(zi)外線板(ban)(ban)(ban)(ban)、普通(tong)板(ban)(ban)(ban)(ban)和特殊(shu)板(ban)(ban)(ban)(ban)如高抗沖板(ban)(ban)(ban)(ban)、阻燃板(ban)(ban)(ban)(ban)、磨砂板(ban)(ban)(ban)(ban)、金屬(shu)效(xiao)果板(ban)(ban)(ban)(ban)、高耐磨板(ban)(ban)(ban)(ban)、導光板(ban)(ban)(ban)(ban)等。
A:澆鑄板(ban):分子量(liang)高,具有(you)出色的(de)剛度(du)、強度(du)以及優異的(de)抗化(hua)學(xue)品性(xing)能。因(yin)而比較(jiao)適合(he)加(jia)工(gong)大尺(chi)寸的(de)標(biao)識牌匾(bian),相對在軟化(hua)過程中時(shi)間稍長。這種板(ban)材的(de)特(te)點是小批量(liang)加(jia)工(gong),在顏(yan)色體系和表面(mian)紋理效(xiao)果方(fang)面(mian)有(you)無法比擬(ni)的(de)靈(ling)活性(xing),且(qie)產(chan)品規格(ge)齊全(quan),實用于(yu)各種特(te)殊用途。
B:擠壓板(ban):與澆鑄(zhu)板(ban)相比(bi),擠壓板(ban)分(fen)子量(liang)較(jiao)低,機(ji)械性(xing)(xing)能稍(shao)弱,柔性(xing)(xing)比(bi)較(jiao)高(gao)。然而(er),這一(yi)特(te)點有利于折(zhe)彎和熱成型加(jia)工,軟(ruan)化(hua)時(shi)間較(jiao)短。在處(chu)理尺寸(cun)較(jiao)大的板(ban)材時(shi),有利于各種快速真空(kong)吸塑成型。同(tong)時(shi),擠壓板(ban)的厚度公(gong)差比(bi)澆鑄(zhu)板(ban)小。由于擠壓板(ban)是大批量(liang)自動化(hua)生產(chan),顏色和規格不便調理,所以產(chan)品(pin)規格多樣性(xing)(xing)受到(dao)一(yi)定的限制。
2、亞(ya)克力(li)還(huan)有(you)一種叫回料再(zai)生板是采用回收亞(ya)克力(li)邊(bian)角料,經過熱降解后(hou)得(de)到再(zai)生MMA(甲(jia)基丙烯酸甲(jia)酯)單體,再由化學聚合(he)反應之后(hou)得來。經過嚴格的(de)工藝流(liu)程,可以重新得到(dao)純凈的(de)MMA單(dan)體(ti)(ti),與新合成單(dan)體(ti)(ti),品質(zhi)(zhi)上沒有任何區(qu)別(bie)。但生產出來的降解單(dan)體(ti)(ti),純度不高,板(ban)材成型后(hou),其(qi)品質(zhi)(zhi)、性能(neng)很差。
總結:擠壓板(ban)(ban)使用顆粒(li)原料(liao),經過(guo)高溫(wen)溶解(jie)后擠壓成型(xing),而澆鑄板(ban)(ban)是用MMA單體(液態)直接澆(jiao)鑄(zhu)成型(xing),雖然擠(ji)壓板(ban)(ban)(ban)外形上(shang)較(jiao)為平(ping)整光潔,但因其在(zai)(zai)顆粒原料成型(xing)時(shi)以完(wan)成聚(ju)合(he)(he)。在(zai)(zai)加工(gong)成板(ban)(ban)(ban)材時(shi)其結(jie)構、性能(neng)較(jiao)弱(ruo),并不(bu)適合(he)(he)作為戶(hu)(hu)外標識(shi)產(chan)品的(de)材料,只(zhi)適合(he)(he)作水(shui)晶字(zi)或產(chan)品支(zhi)架等戶(hu)(hu)內產(chan)品。另(ling)外由于擠(ji)壓板(ban)(ban)(ban)多(duo)數(shu)不(bu)具防紫外線(xian)功能(neng),其戶(hu)(hu)外使用(yong)的(de)壽命與澆(jiao)鑄(zhu)板(ban)(ban)(ban)不(bu)可(ke)同(tong)日而語,顏色會漸褪并且很(hen)容易(yi)脆(cui)化,直至破裂。澆(jiao)鑄(zhu)板(ban)(ban)(ban)是在(zai)(zai)板(ban)(ban)(ban)材加工(gong)過(guo)程中完(wan)成結(jie)構聚(ju)合(he)(he),其間加入紫外線(xian)吸收(shou)劑(ji),具有極高的(de)強度(du)和UV功能,戶外使用壽命長達5年以上甚至(zhi)10年,使(shi)用期間(jian)色(se)澤一直(zhi)亮麗(li)如新。