水(shui)(shui)(shui)(shui)性(xing)(xing)聚(ju)(ju)(ju)(ju)氨酯(zhi)(zhi)是以水(shui)(shui)(shui)(shui)代替有(you)(you)機溶劑作(zuo)為分(fen)(fen)散介質(zhi)的新(xin)型聚(ju)(ju)(ju)(ju)氨酯(zhi)(zhi)體(ti)(ti)系，也稱(cheng)水(shui)(shui)(shui)(shui)分(fen)(fen)散聚(ju)(ju)(ju)(ju)氨酯(zhi)(zhi)、水(shui)(shui)(shui)(shui)系聚(ju)(ju)(ju)(ju)氨酯(zhi)(zhi)或水(shui)(shui)(shui)(shui)基聚(ju)(ju)(ju)(ju)氨酯(zhi)(zhi)。它(ta)以聚(ju)(ju)(ju)(ju)醚(mi)、聚(ju)(ju)(ju)(ju)酯(zhi)(zhi)等(deng)聚(ju)(ju)(ju)(ju)合(he)物(wu)為主鏈，通(tong)過加(jia)入(ru)異氰(qing)(qing)酸酯(zhi)(zhi)等(deng)反(fan)應(ying)物(wu)反(fan)應(ying)制得。水(shui)(shui)(shui)(shui)性(xing)(xing)聚(ju)(ju)(ju)(ju)氨酯(zhi)(zhi)具有(you)(you)無污染、安全可靠(kao)、機械性(xing)(xing)能優良(liang)、相容性(xing)(xing)好、易(yi)于改(gai)(gai)性(xing)(xing)等(deng)優點。它(ta)可以應(ying)用(yong)于建筑、汽車、家具和(he)(he)航空(kong)航天等(deng)領域，作(zuo)為一種具有(you)(you)良(liang)好附著力(li)和(he)(he)耐候性(xing)(xing)的高分(fen)(fen)子(zi)材料(liao)。此外，水(shui)(shui)(shui)(shui)性(xing)(xing)聚(ju)(ju)(ju)(ju)氨酯(zhi)(zhi)還可以作(zuo)為涂料(liao)染色黏合(he)劑使用(yong)，可以提高染色牢度、改(gai)(gai)進(jin)織物(wu)的可染性(xing)(xing)。在制備水(shui)(shui)(shui)(shui)性(xing)(xing)聚(ju)(ju)(ju)(ju)氨酯(zhi)(zhi)時，通(tong)常(chang)使用(yong)低(di)聚(ju)(ju)(ju)(ju)物(wu)多元(yuan)醇，如聚(ju)(ju)(ju)(ju)醚(mi)二醇、聚(ju)(ju)(ju)(ju)酯(zhi)(zhi)二醇等(deng)，這些低(di)聚(ju)(ju)(ju)(ju)物(wu)多元(yuan)醇可以與異氰(qing)(qing)酸酯(zhi)(zhi)反(fan)應(ying)制得預聚(ju)(ju)(ju)(ju)體(ti)(ti)。水(shui)(shui)(shui)(shui)性(xing)(xing)聚(ju)(ju)(ju)(ju)氨酯(zhi)(zhi)的制備方(fang)法(fa)有(you)(you)多種，如預聚(ju)(ju)(ju)(ju)體(ti)(ti)法(fa)等(deng)。在使用(yong)水(shui)(shui)(shui)(shui)性(xing)(xing)聚(ju)(ju)(ju)(ju)氨酯(zhi)(zhi)時，需(xu)要注意(yi)其缺點，如粘合(he)力(li)不(bu)(bu)強(qiang)、硬度不(bu)(bu)足、耐磨性(xing)(xing)差、耐水(shui)(shui)(shui)(shui)性(xing)(xing)不(bu)(bu)夠強(qiang)以及不(bu)(bu)易(yi)抗化(hua)學(xue)品(pin)腐(fu)蝕等(deng)問題。為了改(gai)(gai)善水(shui)(shui)(shui)(shui)性(xing)(xing)聚(ju)(ju)(ju)(ju)氨酯(zhi)(zhi)的性(xing)(xing)能，可以采取添加(jia)助(zhu)劑、改(gai)(gai)變配方(fang)等(deng)方(fang)法(fa)進(jin)行改(gai)(gai)進(jin)。蘇州(zhou)找水(shui)(shui)(shui)(shui)性(xing)(xing)聚(ju)(ju)(ju)(ju)氨酯(zhi)(zhi)樹脂選擇(ze)哪家，推薦上海(hai)貝爾(er)特新(xin)材料(liao)科技有(you)(you)限公(gong)司。重慶耐水(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)性(xing)(xing)聚(ju)(ju)(ju)(ju)氨酯(zhi)(zhi)樹脂分(fen)(fen)類

水(shui)(shui)性(xing)(xing)(xing)(xing)PU比有機溶劑型(xing)PU應用(yong)(yong)(yong)成本(ben)低、易處理、粘(zhan)合效果(guo)好，在膠粘(zhan)劑及涂(tu)料行(xing)業(ye)有很(hen)好的發展(zhan)前途。PU離子(zi)聚合物對天然和合成橡膠表(biao)面(mian)均具(ju)有很(hen)好粘(zhan)接性(xing)(xing)(xing)(xing)，可用(yong)(yong)(yong)于鞋類(lei)的制造。水(shui)(shui)性(xing)(xing)(xing)(xing)PU主要用(yong)(yong)(yong)做(zuo)家具(ju)漆(qi)、電(dian)(dian)(dian)泳(yong)漆(qi)、電(dian)(dian)(dian)沉積涂(tu)料、建筑涂(tu)料、紙張處理涂(tu)料、玻(bo)璃纖維(wei)涂(tu)料等 除此之(zhi)外(wai)水(shui)(shui)性(xing)(xing)(xing)(xing)涂(tu)料還有一些特(te)殊用(yong)(yong)(yong)途，如用(yong)(yong)(yong)作安全玻(bo)璃的中間涂(tu)膜，以制成不碎(sui)裂的安全玻(bo)璃，常用(yong)(yong)(yong)于汽(qi)車、飛機、輪船或航天儀(yi)器(qi)(qi)。水(shui)(shui)性(xing)(xing)(xing)(xing)分散(san)體主要用(yong)(yong)(yong)作金屬涂(tu)料，如陽離子(zi)型(xing)電(dian)(dian)(dian)沉積涂(tu)料多(duo)用(yong)(yong)(yong)于汽(qi)車底漆(qi)，以提高車體的抗(kang)腐蝕性(xing)(xing)(xing)(xing)能(neng)。重慶木器(qi)(qi)漆(qi)水(shui)(shui)性(xing)(xing)(xing)(xing)聚氨酯樹(shu)(shu)脂批發找水(shui)(shui)性(xing)(xing)(xing)(xing)聚氨酯樹(shu)(shu)脂哪家好，選擇上海貝(bei)爾(er)特(te)新(xin)材料科(ke)技有限公司。

水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)(xing)(xing)(xing)聚(ju)氨(an)酯(zhi)(zhi)(zhi)區別于(yu)溶劑型聚(ju)氨(an)酯(zhi)(zhi)(zhi)的關(guan)鍵(jian)在(zai)(zai)(zai)于(yu)其以水(shui)(shui)(shui)(shui)為分(fen)(fen)散介(jie)質，因此(ci)，要制(zhi)得水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)(xing)(xing)(xing)聚(ju)氨(an)酯(zhi)(zhi)(zhi)關(guan)鍵(jian)是要將(jiang)(jiang)聚(ju)氨(an)酯(zhi)(zhi)(zhi)水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)(xing)(xing)(xing)化(hua)。外(wai)乳(ru)化(hua)法工(gong)藝簡單，但卻存(cun)在(zai)(zai)(zai)以下(xia)缺點：(1)在(zai)(zai)(zai)分(fen)(fen)散階段(duan)(duan)需要強力攪拌設備(bei)，攪拌情況對分(fen)(fen)散液(ye)性(xing)(xing)(xing)(xing)(xing)(xing)能(neng)(neng)影響很大；(2)制(zhi)得的分(fen)(fen)散液(ye)粒徑較(jiao)大，一(yi)(yi)般大于(yu)μm，且粒徑分(fen)(fen)布寬，貯(zhu)存(cun)穩定(ding)性(xing)(xing)(xing)(xing)(xing)(xing)差；(3)乳(ru)化(hua)劑的存(cun)在(zai)(zai)(zai)影響成膜后膠膜的耐水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)(xing)(xing)(xing)、強韌性(xing)(xing)(xing)(xing)(xing)(xing)和(he)粘接性(xing)(xing)(xing)(xing)(xing)(xing)等力學和(he)其他使(shi)用性(xing)(xing)(xing)(xing)(xing)(xing)能(neng)(neng)。國(guo)內水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)(xing)(xing)(xing)聚(ju)氨(an)酯(zhi)(zhi)(zhi)乳(ru)液(ye)的制(zhi)備(bei)多(duo)采用聚(ju)合(he)物(wu)(wu)自乳(ru)化(hua)法，即在(zai)(zai)(zai)聚(ju)合(he)物(wu)(wu)分(fen)(fen)子(zi)(zi)側鏈(lian)上引(yin)入適量的親(qin)(qin)水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)(xing)(xing)(xing)基(ji)(ji)團(tuan)，在(zai)(zai)(zai)一(yi)(yi)定(ding)條件下(xia)分(fen)(fen)散形成穩定(ding)乳(ru)液(ye)。此(ci)種方法的關(guan)鍵(jian)是如何將(jiang)(jiang)適當(dang)的親(qin)(qin)水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)(xing)(xing)(xing)基(ji)(ji)團(tuan)引(yin)入聚(ju)氨(an)酯(zhi)(zhi)(zhi)分(fen)(fen)子(zi)(zi)結構，且將(jiang)(jiang)其良好地(di)分(fen)(fen)散于(yu)水(shui)(shui)(shui)(shui)中(zhong)。國(guo)內一(yi)(yi)般多(duo)借助含(han)親(qin)(qin)水(shui)(shui)(shui)(shui)基(ji)(ji)團(tuan)擴鏈(lian)劑將(jiang)(jiang)親(qin)(qin)水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)(xing)(xing)(xing)基(ji)(ji)團(tuan)引(yin)入硬(ying)段(duan)(duan)中(zhong)。這(zhe)會影響硬(ying)段(duan)(duan)的規整性(xing)(xing)(xing)(xing)(xing)(xing)而降低(di)硬(ying)段(duan)(duan)的結晶性(xing)(xing)(xing)(xing)(xing)(xing)；國(guo)外(wai)多(duo)用一(yi)(yi)種含(han)親(qin)(qin)水(shui)(shui)(shui)(shui)基(ji)(ji)團(tuan)的大分(fen)(fen)子(zi)(zi)活(huo)潑氫化(hua)合(he)物(wu)(wu)，并(bing)以此(ci)為軟段(duan)(duan)合(he)成了聚(ju)氨(an)酯(zhi)(zhi)(zhi)乳(ru)液(ye)，這(zhe)樣，不(bu)會影響硬(ying)段(duan)(duan)的規整性(xing)(xing)(xing)(xing)(xing)(xing)；建議可以將(jiang)(jiang)芳香族多(duo)異氰酸酯(zhi)(zhi)(zhi)和(he)多(duo)元醇的預聚(ju)物(wu)(wu)磺化(hua)，在(zai)(zai)(zai)苯環上引(yin)入-SO3H基(ji)(ji)團(tuan)，在(zai)(zai)(zai)軟、硬(ying)段(duan)(duan)中(zhong)同時引(yin)入離子(zi)(zi)基(ji)(ji)團(tuan)制(zhi)得磺酸鹽(yan)型水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)(xing)(xing)(xing)聚(ju)氨(an)酯(zhi)(zhi)(zhi)，得到的聚(ju)氨(an)酯(zhi)(zhi)(zhi)乳(ru)液(ye)綜合(he)性(xing)(xing)(xing)(xing)(xing)(xing)能(neng)(neng)較(jiao)好。

水性聚氨(an)(an)酯(zhi)(zhi)作(zuo)為(wei)印(yin)花(hua)(hua)(hua)和染(ran)色(se)(se)助(zhu)劑(ji)(ji)(ji)(ji)(ji)，可(ke)作(zuo)為(wei)無紡布黏(nian)合(he)(he)劑(ji)(ji)(ji)(ji)(ji)、織(zhi)物上漿(jiang)劑(ji)(ji)(ji)(ji)(ji)、印(yin)花(hua)(hua)(hua)用(yong)(yong)低溫(wen)黏(nian)合(he)(he)劑(ji)(ji)(ji)(ji)(ji)、層壓黏(nian)合(he)(he)劑(ji)(ji)(ji)(ji)(ji)等(deng)(deng)。水性聚氨(an)(an)酯(zhi)(zhi)作(zuo)為(wei)涂(tu)料染(ran)色(se)(se)黏(nian)合(he)(he)劑(ji)(ji)(ji)(ji)(ji)時，如果是熱反應(ying)型的(de)(de)(de)產品，可(ke)以(yi)在其中加(jia)入少量(liang)的(de)(de)(de)催化劑(ji)(ji)(ji)(ji)(ji)和適量(liang)的(de)(de)(de)交(jiao)聯劑(ji)(ji)(ji)(ji)(ji)；作(zuo)為(wei)染(ran)色(se)(se)牢度(du)(du)劑(ji)(ji)(ji)(ji)(ji)使(shi)用(yong)(yong)時可(ke)與多種(zhong)染(ran)料和纖維反應(ying)，明顯提高染(ran)色(se)(se)的(de)(de)(de)牢度(du)(du)；除此之外，作(zuo)為(wei)染(ran)前處理(li)劑(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)陽(yang)離子型的(de)(de)(de)水性聚氨(an)(an)酯(zhi)(zhi)可(ke)以(yi)改進(jin)織(zhi)物的(de)(de)(de)可(ke)染(ran)性。當水性聚氨(an)(an)酯(zhi)(zhi)作(zuo)為(wei)印(yin)花(hua)(hua)(hua)涂(tu)層劑(ji)(ji)(ji)(ji)(ji)使(shi)用(yong)(yong)時，對織(zhi)物具有(you)良好的(de)(de)(de)黏(nian)附性，可(ke)得到耐(nai)磨且柔軟(ruan)的(de)(de)(de)印(yin)花(hua)(hua)(hua)涂(tu)層；還可(ke)作(zuo)為(wei)特種(zhong)印(yin)花(hua)(hua)(hua)用(yong)(yong)黏(nian)合(he)(he)劑(ji)(ji)(ji)(ji)(ji)，如消光印(yin)花(hua)(hua)(hua)涂(tu)層劑(ji)(ji)(ji)(ji)(ji)、透明印(yin)花(hua)(hua)(hua)涂(tu)層劑(ji)(ji)(ji)(ji)(ji)等(deng)(deng)，對于后者我們應(ying)采用(yong)(yong)滲透性能優(you)(you)良且不泛黃(huang)的(de)(de)(de)水性聚氨(an)(an)酯(zhi)(zhi)樹(shu)脂。水性聚氨(an)(an)酯(zhi)(zhi)樹(shu)脂具有(you)不燃、氣味小、不污染(ran)環境(jing)、節能、操(cao)作(zuo)加(jia)工方便等(deng)(deng)優(you)(you)點。

水性(xing)(xing)聚(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)(zhi)樹(shu)(shu)(shu)脂在(zai)運(yun)動用(yong)(yong)品(pin)(pin)行(xing)業(ye)中也(ye)有(you)較(jiao)(jiao)廣(guang)(guang)的(de)應(ying)用(yong)(yong)。例如在(zai)滑(hua)雪板、帆船(chuan)等(deng)體育用(yong)(yong)品(pin)(pin)中，利用(yong)(yong)聚(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)(zhi)的(de)耐(nai)(nai)磨(mo)(mo)損(sun)(sun)性(xing)(xing)和耐(nai)(nai)氣候性(xing)(xing)，可以(yi)提高(gao)(gao)產品(pin)(pin)的(de)使用(yong)(yong)壽命(ming)和性(xing)(xing)能。此外，在(zai)滑(hua)雪板、沖浪板等(deng)運(yun)動用(yong)(yong)品(pin)(pin)中，采用(yong)(yong)輕質、耐(nai)(nai)磨(mo)(mo)損(sun)(sun)性(xing)(xing)優良的(de)硬(ying)質泡沫(mo)作(zuo)為芯材，以(yi)提高(gao)(gao)產品(pin)(pin)的(de)性(xing)(xing)能和穩(wen)定性(xing)(xing)。然而(er)，水性(xing)(xing)聚(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)(zhi)樹(shu)(shu)(shu)脂也(ye)存在(zai)一些缺點，如粘合力(li)不強、硬(ying)度(du)(du)不足、耐(nai)(nai)磨(mo)(mo)性(xing)(xing)差、耐(nai)(nai)水性(xing)(xing)不夠強以(yi)及(ji)不易抗化學品(pin)(pin)腐蝕(shi)等(deng)問題(ti)。為了改善水性(xing)(xing)聚(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)(zhi)樹(shu)(shu)(shu)脂的(de)性(xing)(xing)能，可以(yi)采取添加助劑(ji)、改變配方等(deng)方法進行(xing)改進。總的(de)來說，水性(xing)(xing)聚(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)(zhi)樹(shu)(shu)(shu)脂作(zuo)為一種環保(bao)、高(gao)(gao)效的(de)高(gao)(gao)分子材料，其(qi)應(ying)用(yong)(yong)范圍非常多(duo)。隨著(zhu)人們對(dui)環保(bao)和可持續(xu)發展(zhan)的(de)日益重視，水性(xing)(xing)聚(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)(zhi)樹(shu)(shu)(shu)脂的(de)應(ying)用(yong)(yong)前景將(jiang)更加廣(guang)(guang)闊(kuo)。由于(yu)水性(xing)(xing)聚(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)(zhi)樹(shu)(shu)(shu)脂中含有(you)大量的(de)水分，其(qi)涂膜硬(ying)度(du)(du)相(xiang)對(dui)較(jiao)(jiao)低，易有(you)磨(mo)(mo)損(sun)(sun)或劃(hua)痕等(deng)問題(ti)，影響美觀度(du)(du)和使用(yong)(yong)壽命(ming)。山東油墨水性(xing)(xing)聚(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)(zhi)樹(shu)(shu)(shu)脂價格(ge)對(dui)比

水(shui)性聚氨酯(zhi)樹脂是(shi)一種(zhong)環保、高效(xiao)的涂料(liao)(liao)材料(liao)(liao)，其應用范圍非常多。重慶耐水(shui)水(shui)性聚氨酯(zhi)樹脂分類(lei)

根(gen)據(ju)產(chan)品(pin)包裝形式分(fen)(fen)，水性(xing)(xing)聚(ju)(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)(zhi)可分(fen)(fen)為單組(zu)(zu)分(fen)(fen)水性(xing)(xing)聚(ju)(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)(zhi)和(he)雙組(zu)(zu)分(fen)(fen)水性(xing)(xing)聚(ju)(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)(zhi)。單組(zu)(zu)分(fen)(fen)水性(xing)(xing)聚(ju)(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)(zhi)包括(kuo)單組(zu)(zu)分(fen)(fen)熱塑性(xing)(xing)、單組(zu)(zu)分(fen)(fen)自交聯型和(he)單組(zu)(zu)分(fen)(fen)熱固性(xing)(xing)三種類(lei)型。其中后者是主導產(chan)品(pin)。按照分(fen)(fen)散狀態，水性(xing)(xing)聚(ju)(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)(zhi)可分(fen)(fen)為水溶性(xing)(xing)聚(ju)(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)(zhi)、聚(ju)(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)(zhi)分(fen)(fen)散體和(he)聚(ju)(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)(zhi)乳(ru)(ru)液(ye)。按照乳(ru)(ru)化(hua)(hua)(hua)方(fang)法，水性(xing)(xing)聚(ju)(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)(zhi)可分(fen)(fen)為內乳(ru)(ru)化(hua)(hua)(hua)法和(he)外乳(ru)(ru)化(hua)(hua)(hua)法，內乳(ru)(ru)化(hua)(hua)(hua)法是指聚(ju)(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)(zhi)鏈(lian)段中含(han)有親水性(xing)(xing)成分(fen)(fen)，因而無(wu)需乳(ru)(ru)化(hua)(hua)(hua)劑即可形成穩定乳(ru)(ru)液(ye)的(de)(de)方(fang)法；外乳(ru)(ru)化(hua)(hua)(hua)法是指分(fen)(fen)子鏈(lian)中只(zhi)含(han)少量(liang)不足以自乳(ru)(ru)化(hua)(hua)(hua)的(de)(de)親水性(xing)(xing)鏈(lian)段或基團，或完全不含(han)親水性(xing)(xing)成分(fen)(fen)，添加乳(ru)(ru)化(hua)(hua)(hua)劑，通過(guo)機(ji)械(xie)攪拌(ban)強制(zhi)分(fen)(fen)散成穩定乳(ru)(ru)液(ye)的(de)(de)方(fang)法。重慶(qing)耐(nai)水水性(xing)(xing)聚(ju)(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)(zhi)樹(shu)脂分(fen)(fen)類(lei)