TPR（ThermoplasticRubber）包(bao)膠(jiao)(jiao)注(zhu)(zhu)(zhu)塑工(gong)(gong)(gong)藝(yi)是一(yi)種特(te)(te)殊的(de)(de)(de)(de)(de)塑料(liao)(liao)(liao)(liao)加工(gong)(gong)(gong)技(ji)術，結合了TPR材(cai)料(liao)(liao)(liao)(liao)的(de)(de)(de)(de)(de)性(xing)能(neng)與注(zhu)(zhu)(zhu)塑技(ji)術的(de)(de)(de)(de)(de)優(you)勢。這(zhe)一(yi)工(gong)(gong)(gong)藝(yi)主要(yao)用(yong)于(yu)(yu)制(zhi)造(zao)需(xu)要(yao)彈性(xing)、耐用(yong)性(xing)以(yi)(yi)及(ji)優(you)良(liang)觸感的(de)(de)(de)(de)(de)塑料(liao)(liao)(liao)(liao)制(zhi)品(pin)。TPR包(bao)膠(jiao)(jiao)注(zhu)(zhu)(zhu)塑工(gong)(gong)(gong)藝(yi)的(de)(de)(de)(de)(de)在于(yu)(yu)將TPR顆粒加熱至熔(rong)融狀態后注(zhu)(zhu)(zhu)入模(mo)具(ju)(ju)，通(tong)過(guo)與模(mo)具(ju)(ju)內(nei)的(de)(de)(de)(de)(de)硬(ying)(ying)塑料(liao)(liao)(liao)(liao)件結合，形成具(ju)(ju)有(you)雙重材(cai)料(liao)(liao)(liao)(liao)特(te)(te)性(xing)的(de)(de)(de)(de)(de)產品(pin)。在此過(guo)程中，關鍵在于(yu)(yu)確(que)(que)保(bao)TPR與硬(ying)(ying)塑料(liao)(liao)(liao)(liao)之間的(de)(de)(de)(de)(de)良(liang)好(hao)粘接(jie)(jie)，以(yi)(yi)獲得的(de)(de)(de)(de)(de)成品(pin)。要(yao)實(shi)現這(zhe)一(yi)目(mu)標，需(xu)要(yao)注(zhu)(zhu)(zhu)意以(yi)(yi)下幾點(dian)：首先，TPR包(bao)膠(jiao)(jiao)料(liao)(liao)(liao)(liao)與硬(ying)(ying)塑料(liao)(liao)(liao)(liao)制(zhi)品(pin)的(de)(de)(de)(de)(de)相(xiang)容性(xing)需(xu)匹配(pei)，分子(zi)溶解度相(xiang)接(jie)(jie)近，以(yi)(yi)確(que)(que)保(bao)良(liang)好(hao)的(de)(de)(de)(de)(de)分子(zi)相(xiang)容性(xing)。其次，在模(mo)具(ju)(ju)設計中，應避免(mian)尖(jian)銳的(de)(de)(de)(de)(de)轉角，以(yi)(yi)確(que)(que)保(bao)TPR與硬(ying)(ying)膠(jiao)(jiao)件之間的(de)(de)(de)(de)(de)良(liang)好(hao)接(jie)(jie)觸，從而提高粘接(jie)(jie)效果。此外，通(tong)過(guo)適當的(de)(de)(de)(de)(de)排氣以(yi)(yi)避免(mian)在模(mo)腔內(nei)殘留氣體也(ye)是至關重要(yao)的(de)(de)(de)(de)(de)。同時，保(bao)持足夠(gou)的(de)(de)(de)(de)(de)成型溫度對于(yu)(yu)確(que)(que)保(bao)TPR包(bao)膠(jiao)(jiao)料(liao)(liao)(liao)(liao)的(de)(de)(de)(de)(de)良(liang)好(hao)粘接(jie)(jie)效果同樣(yang)重要(yao)。在TPR包(bao)膠(jiao)(jiao)注(zhu)(zhu)(zhu)塑工(gong)(gong)(gong)藝(yi)中，還需(xu)特(te)(te)別關注(zhu)(zhu)(zhu)TPR材(cai)料(liao)(liao)(liao)(liao)的(de)(de)(de)(de)(de)流(liu)動(dong)性(xing)。由(you)于(yu)(yu)TPR的(de)(de)(de)(de)(de)包(bao)膠(jiao)(jiao)層厚度與尺寸比(bi)很(hen)小，因此TPR需(xu)要(yao)流(liu)經較長的(de)(de)(de)(de)(de)路徑和(he)薄(bo)壁區(qu)來充入模(mo)具(ju)(ju)。這(zhe)就(jiu)要(yao)求TPR包(bao)膠(jiao)(jiao)料(liao)(liao)(liao)(liao)具(ju)(ju)有(you)較好(hao)的(de)(de)(de)(de)(de)流(liu)動(dong)性(xing)，以(yi)(yi)確(que)(que)保(bao)填充效果的(de)(de)(de)(de)(de)均(jun)勻性(xing)和(he)完整性(xing)。總(zong)之，TPR包(bao)膠(jiao)(jiao)注(zhu)(zhu)(zhu)塑工(gong)(gong)(gong)藝(yi)通(tong)過(guo)精心設計和(he)操作(zuo)，能(neng)夠(gou)制(zhi)造(zao)出具(ju)(ju)有(you)優(you)良(liang)性(xing)能(neng)和(he)外觀的(de)(de)(de)(de)(de)塑料(liao)(liao)(liao)(liao)制(zhi)品(pin)。這(zhe)一(yi)工(gong)(gong)(gong)藝(yi)在玩具(ju)(ju)、汽車配(pei)件、電子(zi)產品(pin)等領(ling)域具(ju)(ju)有(you)廣(guang)泛的(de)(de)(de)(de)(de)應用(yong)前景。

TPR包膠(jiao)475熱塑性(xing)(xing)彈(dan)性(xing)(xing)體是在常溫下顯(xian)示出(chu)硫化橡(xiang)膠(jiao)的高彈(dan)性(xing)(xing)，而高溫下又(you)像熱塑性(xing)(xing)塑料(liao)一(yi)樣易于加工成型，兼具(ju)硫化橡(xiang)膠(jiao)和熱塑性(xing)(xing)塑料(liao)特性(xing)(xing)的聚合物(wu)材(cai)料(liao)，稱為第三代橡(xiang)膠(jiao)。

熱塑(su)性(xing)(xing)(xing)彈性(xing)(xing)(xing)體(TPR，TPE)的物理機械(xie)性(xing)(xing)(xing)能和熱塑(su)性(xing)(xing)(xing)塑(su)料(liao)的工(gong)藝加工(gong)性(xing)(xing)(xing)能，不需要經過熱硫化，使(shi)(shi)用(yong)通用(yong)的塑(su)料(liao)加工(gong)設備即可完成(cheng)產品生產，這一特點使(shi)(shi)橡(xiang)膠(jiao)(jiao)工(gong)業生產流程縮短了1/4，節約能耗(hao)25%~40%，提率10倍(bei)~20倍(bei)，可在橡(xiang)膠(jiao)(jiao)工(gong)業展開又一次材料(liao)與(yu)工(gong)藝技術的革命性(xing)(xing)(xing)發展。

彈性體(ti)行業(ye)TPR與TPE的(de)區(qu)分。

在彈(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)體(ti)(ti)行業，TPE有(you)(you)廣義(yi)和狹義(yi)兩個概念，TPR包(bao)膠475材(cai)料，廣義(yi)的(de)(de)(de)(de)(de)(de)TPE指(zhi)的(de)(de)(de)(de)(de)(de)是(shi)所(suo)有(you)(you)的(de)(de)(de)(de)(de)(de)彈(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)體(ti)(ti)，TPR包(bao)膠475料，包(bao)括上文提到的(de)(de)(de)(de)(de)(de)類(lei)彈(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)體(ti)(ti)TPR(也稱(cheng)(cheng)TPS)和TPE(稱(cheng)(cheng)為(wei)(wei)TPES)，還包(bao)括，聚酯彈(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)體(ti)(ti)TPEE，以(yi)及(ji)EPDM/PP共(gong)混彈(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)體(ti)(ti)TPV等等。狹義(yi)的(de)(de)(de)(de)(de)(de)TPE則指(zhi)類(lei)彈(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)體(ti)(ti)TPES.至(zhi)于(yu)TPR彈(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)體(ti)(ti)，業內比較統一(yi)的(de)(de)(de)(de)(de)(de)理解是(shi)類(lei)彈(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)體(ti)(ti)TPS.彈(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)體(ti)(ti)業內認為(wei)(wei)，以(yi)SEBS為(wei)(wei)基體(ti)(ti)改性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)制得(de)的(de)(de)(de)(de)(de)(de)彈(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)體(ti)(ti)材(cai)料稱(cheng)(cheng)為(wei)(wei)TPE，浙(zhe)江TPR包(bao)膠475，而以(yi)SBS為(wei)(wei)基體(ti)(ti)改性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)得(de)到的(de)(de)(de)(de)(de)(de)彈(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)體(ti)(ti)稱(cheng)(cheng)為(wei)(wei)BS為(wei)(wei)SBS的(de)(de)(de)(de)(de)(de)氫化(hua)(hua)產(chan)物(wu)，其(qi)化(hua)(hua)學(xue)穩(wen)定性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)，耐老(lao)化(hua)(hua)抗紫外線(xian)等性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)能(neng)等均優于(yu)SBS，因(yin)此，以(yi)SEBS為(wei)(wei)基材(cai)合(he)成(cheng)的(de)(de)(de)(de)(de)(de)TPE比以(yi)SBS為(wei)(wei)基材(cai)合(he)成(cheng)的(de)(de)(de)(de)(de)(de)TPR其(qi)化(hua)(hua)學(xue)穩(wen)定性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)，耐老(lao)化(hua)(hua)抗紫外線(xian)等性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)能(neng)也更為(wei)(wei)優良(liang)。需要指(zhi)出，有(you)(you)些地方可能(neng)稱(cheng)(cheng)呼(hu)習慣的(de)(de)(de)(de)(de)(de)原因(yin)，將類(lei)彈(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)體(ti)(ti)改性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)材(cai)料TPE，TPR都(dou)稱(cheng)(cheng)為(wei)(wei)TPR，而忽(hu)略了材(cai)料存在SEBS和SBS基材(cai)的(de)(de)(de)(de)(de)(de)差別。本文所(suo)提的(de)(de)(de)(de)(de)(de)TPR彈(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)體(ti)(ti)專(zhuan)指(zhi)SBS改性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)合(he)成(cheng)的(de)(de)(de)(de)(de)(de)TPS彈(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)體(ti)(ti)，與SEBS改性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)合(he)成(cheng)的(de)(de)(de)(de)(de)(de)TPES彈(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)體(ti)(ti)有(you)(you)所(suo)區別。