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重慶油墨水性聚氨酯樹脂供應

發布時間:    來源:宜興市恒通風機有限公司   閱覽次數:4155次

對預(yu)聚(ju)(ju)(ju)(ju)體(ti)(ti)進(jin)行擴鏈(lian),由于受釋(shi)放反(fan)應(ying)的(de)制(zhi)約,擴鏈(lian)反(fan)應(ying)能(neng)夠平穩(wen)地進(jin)行,得到性(xing)(xing)能(neng)良好的(de)水性(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)酯(zhi)(zhi)一脲分(fen)散液(ye)。酮亞(ya)(ya)胺/酮聯(lian)氮法(fa)(fa)適用(yong)于由芳(fang)香族(zu)異(yi)氰酸酯(zhi)(zhi)制(zhi)備水性(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)酯(zhi)(zhi)分(fen)散液(ye),該法(fa)(fa)融合(he)了法(fa)(fa)、預(yu)聚(ju)(ju)(ju)(ju)體(ti)(ti)混合(he)法(fa)(fa)的(de)優(you)點,是制(zhi)備高(gao)質量(liang)水性(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)酯(zhi)(zhi)的(de)重要(yao)方法(fa)(fa)。保護端(duan)基(ji)乳(ru)化(hua)法(fa)(fa)使用(yong)酚類(lei)、甲乙酮亞(ya)(ya)胺、吡(bi)咯烷酮、亞(ya)(ya)硫酸氫鈉等封(feng)閉(bi)劑,將帶(dai)有親(qin)水性(xing)(xing)離子基(ji)團(tuan)(tuan)(tuan)和-NCO封(feng)端(duan)的(de)聚(ju)(ju)(ju)(ju)氨(an)酯(zhi)(zhi)預(yu)聚(ju)(ju)(ju)(ju)物的(de)端(duan)-NCO基(ji)團(tuan)(tuan)(tuan)保護起來,使-NCO基(ji)團(tuan)(tuan)(tuan)失去(qu)活(huo)性(xing)(xing),制(zhi)成一種封(feng)閉(bi)式的(de)聚(ju)(ju)(ju)(ju)氨(an)酯(zhi)(zhi)預(yu)聚(ju)(ju)(ju)(ju)體(ti)(ti),加入擴鏈(lian)劑和交聯(lian)劑共同乳(ru)化(hua)后,制(zhi)成水性(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)酯(zhi)(zhi)分(fen)散液(ye)。應(ying)用(yong)時,加熱可使預(yu)聚(ju)(ju)(ju)(ju)物端(duan)-NCO基(ji)團(tuan)(tuan)(tuan)解(jie)封(feng),-NCO基(ji)團(tuan)(tuan)(tuan)與擴鏈(lian)劑、交聯(lian)劑反(fan)應(ying),形成網絡結構的(de)聚(ju)(ju)(ju)(ju)氨(an)酯(zhi)(zhi)膠(jiao)膜。此法(fa)(fa)對工(gong)藝要(yao)求頗高(gao),乳(ru)液(ye)穩(wen)定性(xing)(xing)差,關鍵在(zai)于選擇(ze)(ze)解(jie)封(feng)溫度低的(de)高(gao)效封(feng)閉(bi)劑。無錫找水性(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)酯(zhi)(zhi)樹脂選擇(ze)(ze)哪家,推薦上海貝爾特(te)新材料科技(ji)有限(xian)公司。重慶油墨水性(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)酯(zhi)(zhi)樹脂供(gong)應(ying)

重慶油墨水性聚氨酯樹脂供應,水性聚氨酯樹脂

內(nei)乳化(hua)(hua)法(fa)(fa)又(you)可(ke)(ke)分(fen)(fen)(fen)為(wei)法(fa)(fa)、預(yu)聚(ju)(ju)(ju)(ju)體(ti)(ti)(ti)混(hun)合(he)(he)(he)法(fa)(fa)、熔融(rong)分(fen)(fen)(fen)散(san)(san)法(fa)(fa)、酮亞胺(an)/酮聯氮法(fa)(fa)、保(bao)護端基乳化(hua)(hua)法(fa)(fa)。法(fa)(fa)首先(xian)合(he)(he)(he)成含(han)(han)-NCO端基的高(gao)粘(zhan)(zhan)(zhan)度(du)聚(ju)(ju)(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)預(yu)聚(ju)(ju)(ju)(ju)體(ti)(ti)(ti),加溶解,使(shi)其粘(zhan)(zhan)(zhan)度(du)降低(di)(di),然后用含(han)(han)離子(zi)(zi)基團擴鏈(lian)劑進(jin)(jin)行(xing)擴鏈(lian),在(zai)高(gao)速(su)攪(jiao)拌下通過(guo)強剪(jian)切力使(shi)之分(fen)(fen)(fen)散(san)(san)于水(shui)(shui)中(zhong),乳化(hua)(hua)后減壓(ya)蒸餾(liu)脫除溶劑,得(de)到水(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)分(fen)(fen)(fen)散(san)(san)液(ye)(ye)。法(fa)(fa)易(yi)于操(cao)作,重復(fu)性(xing)(xing)(xing)(xing)好(hao)(hao),制得(de)的水(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)分(fen)(fen)(fen)子(zi)(zi)量(liang)可(ke)(ke)變范圍寬(kuan),粒(li)徑的大(da)小(xiao)可(ke)(ke)控,產(chan)品質量(liang)好(hao)(hao),是(shi)目(mu)前生產(chan)水(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)的主要(yao)方法(fa)(fa)。但該法(fa)(fa)需使(shi)用低(di)(di)沸點,易(yi)造(zao)成環(huan)境污(wu)染(ran),工藝復(fu)雜,成本(ben)高(gao),安全性(xing)(xing)(xing)(xing)低(di)(di),不(bu)利于工業生產(chan)。預(yu)聚(ju)(ju)(ju)(ju)體(ti)(ti)(ti)混(hun)合(he)(he)(he)法(fa)(fa)首先(xian)合(he)(he)(he)成含(han)(han)親水(shui)(shui)基團及端-NCO的預(yu)聚(ju)(ju)(ju)(ju)體(ti)(ti)(ti),當預(yu)聚(ju)(ju)(ju)(ju)體(ti)(ti)(ti)的相對分(fen)(fen)(fen)子(zi)(zi)量(liang)不(bu)太高(gao)且粘(zhan)(zhan)(zhan)度(du)較小(xiao)時,可(ke)(ke)不(bu)加或加少量(liang)溶劑,高(gao)速(su)攪(jiao)拌下分(fen)(fen)(fen)散(san)(san)于水(shui)(shui)中(zhong),再(zai)用親水(shui)(shui)性(xing)(xing)(xing)(xing)單體(ti)(ti)(ti)(二(er)胺(an)或三胺(an))將其部分(fen)(fen)(fen)擴鏈(lian),生成相對分(fen)(fen)(fen)子(zi)(zi)量(liang)高(gao)的水(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)一脲。終得(de)到水(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)分(fen)(fen)(fen)散(san)(san)液(ye)(ye)。為(wei)合(he)(he)(he)成低(di)(di)粘(zhan)(zhan)(zhan)度(du)預(yu)聚(ju)(ju)(ju)(ju)體(ti)(ti)(ti),通常(chang)選(xuan)擇(ze)脂(zhi)肪(fang)族(zu)或脂(zhi)環(huan)族(zu)多異氰酸(suan)酯(zhi)(zhi),因為(wei)這兩種多異氰酸(suan)酯(zhi)(zhi)的反應活(huo)性(xing)(xing)(xing)(xing)低(di)(di),預(yu)聚(ju)(ju)(ju)(ju)體(ti)(ti)(ti)分(fen)(fen)(fen)散(san)(san)于水(shui)(shui)中(zhong)后用二(er)胺(an)擴鏈(lian)時受(shou)水(shui)(shui)的影(ying)響小(xiao)。但預(yu)聚(ju)(ju)(ju)(ju)體(ti)(ti)(ti)混(hun)合(he)(he)(he)分(fen)(fen)(fen)散(san)(san)過(guo)程必須在(zai)低(di)(di)溫(wen)下進(jin)(jin)行(xing),以降低(di)(di)-NCO與(yu)水(shui)(shui)的反應活(huo)性(xing)(xing)(xing)(xing);必須嚴格控制預(yu)聚(ju)(ju)(ju)(ju)體(ti)(ti)(ti)粘(zhan)(zhan)(zhan)度(du),否則預(yu)聚(ju)(ju)(ju)(ju)體(ti)(ti)(ti)在(zai)水(shui)(shui)中(zhong)分(fen)(fen)(fen)散(san)(san)將非常(chang)困難,預(yu)聚(ju)(ju)(ju)(ju)體(ti)(ti)(ti)混(hun)合(he)(he)(he)法(fa)(fa)避免了有機溶劑的大(da)量(liang)使(shi)用,工藝簡(jian)單。天津油墨水(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)樹脂(zhi)廠家(jia)現(xian)貨(huo)水(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)(an)(an)酯(zhi)(zhi)樹脂(zhi)推(tui)薦哪家(jia),選(xuan)擇(ze)上海貝爾特(te)新(xin)材料科技有限公司(si)。

重慶油墨水性聚氨酯樹脂供應,水性聚氨酯樹脂

或水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)單體(ti))分(fen)(fen)(fen)水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)氨(an)(an)酯(zhi)(zhi)(zhi)(zhi)可分(fen)(fen)(fen)為陰(yin)離子(zi)(zi)(zi)型(xing)(xing)水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)氨(an)(an)酯(zhi)(zhi)(zhi)(zhi)、陽離子(zi)(zi)(zi)型(xing)(xing)水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)氨(an)(an)酯(zhi)(zhi)(zhi)(zhi)和(he)(he)非離子(zi)(zi)(zi)型(xing)(xing)水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)氨(an)(an)酯(zhi)(zhi)(zhi)(zhi)。其中陰(yin)離子(zi)(zi)(zi)型(xing)(xing)產量大、應(ying)用(yong)廣。陰(yin)離子(zi)(zi)(zi)型(xing)(xing)水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)氨(an)(an)酯(zhi)(zhi)(zhi)(zhi)又(you)可分(fen)(fen)(fen)為羧酸(suan)型(xing)(xing)和(he)(he)磺酸(suan)型(xing)(xing)兩大類(lei)。近年來,非離子(zi)(zi)(zi)型(xing)(xing)水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)氨(an)(an)酯(zhi)(zhi)(zhi)(zhi)在大分(fen)(fen)(fen)子(zi)(zi)(zi)表面(mian)活性(xing)(xing)(xing)(xing)劑(ji)、締合型(xing)(xing)增稠劑(ji)方面(mian)的研(yan)究越來越多。陽離子(zi)(zi)(zi)型(xing)(xing)水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)氨(an)(an)酯(zhi)(zhi)(zhi)(zhi)滲透性(xing)(xing)(xing)(xing)好,具有、防霉性(xing)(xing)(xing)(xing)能(neng),主(zhu)要用(yong)于(yu)皮革涂飾(shi)劑(ji)。以合成用(yong)單體(ti)分(fen)(fen)(fen)水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)氨(an)(an)酯(zhi)(zhi)(zhi)(zhi)可分(fen)(fen)(fen)為聚(ju)(ju)醚型(xing)(xing)、聚(ju)(ju)酯(zhi)(zhi)(zhi)(zhi)型(xing)(xing)、聚(ju)(ju)碳(tan)酸(suan)酯(zhi)(zhi)(zhi)(zhi)型(xing)(xing)和(he)(he)聚(ju)(ju)醚、聚(ju)(ju)酯(zhi)(zhi)(zhi)(zhi)混合型(xing)(xing)。依照(zhao)選用(yong)的二異(yi)氰酸(suan)酯(zhi)(zhi)(zhi)(zhi)的不同(tong),水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)氨(an)(an)酯(zhi)(zhi)(zhi)(zhi)又(you)可分(fen)(fen)(fen)為芳(fang)香(xiang)(xiang)族(zu)(zu)(zu)、脂肪族(zu)(zu)(zu)、芳(fang)脂族(zu)(zu)(zu)和(he)(he)脂環族(zu)(zu)(zu),或具體(ti)分(fen)(fen)(fen)為TDI型(xing)(xing)、IPDI型(xing)(xing)、MDIX型(xing)(xing),等(deng)等(deng)。芳(fang)香(xiang)(xiang)族(zu)(zu)(zu)水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)氨(an)(an)酯(zhi)(zhi)(zhi)(zhi)同(tong)溶(rong)劑(ji)型(xing)(xing)聚(ju)(ju)氨(an)(an)酯(zhi)(zhi)(zhi)(zhi)類(lei)似具有明顯的黃(huang)變性(xing)(xing)(xing)(xing),耐候(hou)性(xing)(xing)(xing)(xing)較差,屬于(yu)低端普及型(xing)(xing)產品;脂肪族(zu)(zu)(zu)水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)氨(an)(an)酯(zhi)(zhi)(zhi)(zhi)則具有很好的保色性(xing)(xing)(xing)(xing)、耐候(hou)性(xing)(xing)(xing)(xing),但(dan)價格高(gao),屬于(yu)產品;芳(fang)脂族(zu)(zu)(zu)和(he)(he)脂環族(zu)(zu)(zu)的性(xing)(xing)(xing)(xing)能(neng)居(ju)于(yu)二者之間。以產品包裝(zhuang)形式分(fen)(fen)(fen)水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)氨(an)(an)酯(zhi)(zhi)(zhi)(zhi)可分(fen)(fen)(fen)為單組分(fen)(fen)(fen)水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)氨(an)(an)酯(zhi)(zhi)(zhi)(zhi)和(he)(he)雙(shuang)組分(fen)(fen)(fen)水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)氨(an)(an)酯(zhi)(zhi)(zhi)(zhi)。其中,雙(shuang)組分(fen)(fen)(fen)水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)氨(an)(an)酯(zhi)(zhi)(zhi)(zhi)包括兩種類(lei)型(xing)(xing):一種由(you)(you)水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)氨(an)(an)酯(zhi)(zhi)(zhi)(zhi)主(zhu)劑(ji)和(he)(he)交(jiao)聯劑(ji)組成,如水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)氨(an)(an)酯(zhi)(zhi)(zhi)(zhi)上(shang)的羧基可用(yong)多氮丙(bing)啶(ding)化合物進行外交(jiao)聯;另一種由(you)(you)水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)羥基組分(fen)(fen)(fen)(可以是水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)丙(bing)烯酸(suan)樹(shu)脂、水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)酯(zhi)(zhi)(zhi)(zhi)或水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)氨(an)(an)酯(zhi)(zhi)(zhi)(zhi))和(he)(he)水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)多異(yi)氰酸(suan)酯(zhi)(zhi)(zhi)(zhi)固(gu)化劑(ji)組成;使用(yong)時將兩組分(fen)(fen)(fen)混合,水(shui)(shui)(shui)揮發后(hou),通過(guo)室溫。

有(you)的(de)乳化(hua)方法(fa)(fa)既屬(shu)**法(fa)(fa)又屬(shu)預(yu)(yu)聚(ju)(ju)(ju)(ju)(ju)體(ti)(ti)法(fa)(fa)。熔融分散法(fa)(fa)又稱(cheng)熔體(ti)(ti)分散法(fa)(fa)、預(yu)(yu)聚(ju)(ju)(ju)(ju)(ju)體(ti)(ti)分散甲(jia)(jia)(jia)醛擴(kuo)(kuo)鏈(lian)(lian)(lian)法(fa)(fa)。預(yu)(yu)先合成(cheng)(cheng)含叔胺(an)(an)基(ji)團(或(huo)(huo)離子基(ji)團)的(de)端(duan)NCO基(ji)團預(yu)(yu)聚(ju)(ju)(ju)(ju)(ju)體(ti)(ti),再與(yu)尿素(或(huo)(huo)氨(an)(an)水(shui)(shui)(shui))在(zai)(zai)(zai)本體(ti)(ti)體(ti)(ti)系(xi)反(fan)應(ying)(ying),形成(cheng)(cheng)聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)酯(zhi)(zhi)雙縮二脲(niao)(或(huo)(huo)含離子基(ji)團的(de)端(duan)脲(niao)基(ji))低(di)(di)聚(ju)(ju)(ju)(ju)(ju)物,并加(jia)(jia)入氯代(dai)酰(xian)胺(an)(an)在(zai)(zai)(zai)高(gao)溫熔融狀(zhuang)態繼(ji)續反(fan)應(ying)(ying),繼(ji)續季胺(an)(an)化(hua)。聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)酯(zhi)(zhi)雙縮二脲(niao)離聚(ju)(ju)(ju)(ju)(ju)物具(ju)有(you)足夠(gou)的(de)親水(shui)(shui)(shui)性,加(jia)(jia)酸的(de)稀水(shui)(shui)(shui)溶液(ye)形成(cheng)(cheng)均相溶液(ye),再與(yu)甲(jia)(jia)(jia)醛水(shui)(shui)(shui)溶液(ye)反(fan)應(ying)(ying)進行羥甲(jia)(jia)(jia)基(ji)化(hua),含羥甲(jia)(jia)(jia)基(ji)的(de)聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)酯(zhi)(zhi)嚴縮二脲(niao)能在(zai)(zai)(zai)50-130℃用無限水(shui)(shui)(shui)稀釋,形成(cheng)(cheng)穩定乳液(ye)。當降低(di)(di)體(ti)(ti)系(xi)的(de)pu值時,能在(zai)(zai)(zai)分散相中(zhong)進行縮聚(ju)(ju)(ju)(ju)(ju)反(fan)應(ying)(ying),形成(cheng)(cheng)高(gao)分子量聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)酯(zhi)(zhi)。含離子基(ji)團的(de)端(duan)NCO預(yu)(yu)聚(ju)(ju)(ju)(ju)(ju)體(ti)(ti)形成(cheng)(cheng)端(duan)脲(niao)基(ji)或(huo)(huo)縮二脲(niao)基(ji)聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)酯(zhi)(zhi)低(di)(di)聚(ju)(ju)(ju)(ju)(ju)物后(hou),則(ze)直接(jie)(jie)在(zai)(zai)(zai)熔融狀(zhuang)態乳化(hua)于(yu)水(shui)(shui)(shui),再加(jia)(jia)甲(jia)(jia)(jia)醛水(shui)(shui)(shui)溶液(ye)進行羥甲(jia)(jia)(jia)基(ji)化(hua)及擴(kuo)(kuo)鏈(lian)(lian)(lian)反(fan)應(ying)(ying)。(3)二元(yuan)(yuan)胺(an)(an)直接(jie)(jie)擴(kuo)(kuo)鏈(lian)(lian)(lian)與(yu)酮(tong)(tong)(tong)亞胺(an)(an)-酮(tong)(tong)(tong)連(lian)氮(dan)(dan)法(fa)(fa)在(zai)(zai)(zai)預(yu)(yu)聚(ju)(ju)(ju)(ju)(ju)體(ti)(ti)分散法(fa)(fa)中(zhong),若采用溶于(yu)水(shui)(shui)(shui)的(de)二元(yuan)(yuan)伯胺(an)(an)擴(kuo)(kuo)鏈(lian)(lian)(lian)劑擴(kuo)(kuo)鏈(lian)(lian)(lian),由于(yu)-NCO與(yu)-NH2的(de)反(fan)應(ying)(ying)速度快,不易得到微細而均勻的(de)乳液(ye),可采用酮(tong)(tong)(tong)亞胺(an)(an)或(huo)(huo)酮(tong)(tong)(tong)連(lian)氮(dan)(dan)法(fa)(fa)解決此問題。酮(tong)(tong)(tong)亞胺(an)(an)-酮(tong)(tong)(tong)連(lian)氮(dan)(dan)法(fa)(fa)是指預(yu)(yu)聚(ju)(ju)(ju)(ju)(ju)體(ti)(ti)與(yu)被(bei)酮(tong)(tong)(tong)保護(hu)了的(de)二元(yuan)(yuan)胺(an)(an)(酮(tong)(tong)(tong)亞胺(an)(an)體(ti)(ti)系(xi))或(huo)(huo)肼(酮(tong)(tong)(tong)連(lian)氮(dan)(dan)體(ti)(ti)系(xi))混合后(hou),再用水(shui)(shui)(shui)分散,分散過(guo)程中(zhong),酮(tong)(tong)(tong)亞胺(an)(an)、酮(tong)(tong)(tong)連(lian)氮(dan)(dan)以一(yi)定的(de)速率水(shui)(shui)(shui)解,釋放出游離的(de)二元(yuan)(yuan)胺(an)(an)或(huo)(huo)肼與(yu)分散的(de)聚(ju)(ju)(ju)(ju)(ju)合物微粒反(fan)應(ying)(ying)。浙江找水(shui)(shui)(shui)性聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)酯(zhi)(zhi)樹脂選(xuan)擇哪家,選(xuan)擇上海貝爾特新材料科技有(you)限公(gong)司。

重慶油墨水性聚氨酯樹脂供應,水性聚氨酯樹脂

水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)整個合成(cheng)(cheng)(cheng)過程可(ke)分(fen)(fen)(fen)(fen)為兩(liang)個階(jie)(jie)段。第(di)一(yi)階(jie)(jie)段為預(yu)逐(zhu)步聚(ju)(ju)(ju)(ju)合,即由(you)低聚(ju)(ju)(ju)(ju)物二醇、擴(kuo)鏈劑(ji)、水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)(xing)單體(ti)(ti)、二異氰酸酯(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)通過溶液(ye)(ye)逐(zhu)步聚(ju)(ju)(ju)(ju)合生成(cheng)(cheng)(cheng)相(xiang)對分(fen)(fen)(fen)(fen)子質量(liang)為l000量(liang)級(ji)的(de)水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)預(yu)聚(ju)(ju)(ju)(ju)體(ti)(ti);第(di)二階(jie)(jie)段為中(zhong)和(he)(he)后預(yu)聚(ju)(ju)(ju)(ju)體(ti)(ti)在水(shui)(shui)(shui)(shui)中(zhong)的(de)分(fen)(fen)(fen)(fen)散。水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)(xing)PU因其具有環保(bao)作用(yong)(yong)(yong),雖(sui)然歷史不長,但發(fa)展非常(chang)迅(xun)速。水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)包括聚(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)水(shui)(shui)(shui)(shui)溶液(ye)(ye)、水(shui)(shui)(shui)(shui)分(fen)(fen)(fen)(fen)散液(ye)(ye)和(he)(he)水(shui)(shui)(shui)(shui)乳(ru)(ru)液(ye)(ye)三種(zhong),為二元(yuan)膠態體(ti)(ti)系(xi),聚(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(PU)粒(li)子分(fen)(fen)(fen)(fen)散于(yu)連續(xu)的(de)水(shui)(shui)(shui)(shui)相(xiang)中(zhong),也有人稱(cheng)水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)(xing)PU或(huo)水(shui)(shui)(shui)(shui)基PU。由(you)于(yu)聚(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)原(yuan)料和(he)(he)配方的(de)多(duo)樣性(xing)(xing)(xing)(xing),水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)開發(fa)40年左右(you)的(de)時間,人們已研究出(chu)許(xu)多(duo)種(zhong)制備方法和(he)(he)制備配方。水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)品種(zhong)繁(fan)多(duo),可(ke)以按(an)多(duo)種(zhong)方法分(fen)(fen)(fen)(fen)類。1、以外觀分(fen)(fen)(fen)(fen)水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)可(ke)分(fen)(fen)(fen)(fen)為聚(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)乳(ru)(ru)液(ye)(ye)、聚(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)分(fen)(fen)(fen)(fen)散液(ye)(ye)、聚(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)水(shui)(shui)(shui)(shui)溶液(ye)(ye)。實(shi)際應用(yong)(yong)(yong)**多(duo)的(de)是聚(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)乳(ru)(ru)液(ye)(ye)及分(fen)(fen)(fen)(fen)散液(ye)(ye),本書中(zhong)統稱(cheng)為水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)或(huo)聚(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)乳(ru)(ru)液(ye)(ye)。2、按(an)使(shi)用(yong)(yong)(yong)形式(shi)分(fen)(fen)(fen)(fen)水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)膠粘劑(ji)按(an)使(shi)用(yong)(yong)(yong)形式(shi)可(ke)分(fen)(fen)(fen)(fen)為單組(zu)分(fen)(fen)(fen)(fen)及雙組(zu)分(fen)(fen)(fen)(fen)兩(liang)類。可(ke)直接(jie)使(shi)用(yong)(yong)(yong),或(huo)無(wu)需交(jiao)(jiao)聯(lian)(lian)劑(ji)即可(ke)得到(dao)所需使(shi)用(yong)(yong)(yong)性(xing)(xing)(xing)(xing)能(neng)(neng)(neng)(neng)(neng)的(de)水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)稱(cheng)為單組(zu)分(fen)(fen)(fen)(fen)水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)膠粘劑(ji)。若(ruo)單獨使(shi)用(yong)(yong)(yong)不能(neng)(neng)(neng)(neng)(neng)獲得所需的(de)性(xing)(xing)(xing)(xing)能(neng)(neng)(neng)(neng)(neng),必須添加(jia)交(jiao)(jiao)聯(lian)(lian)劑(ji);或(huo)者一(yi)般單組(zu)分(fen)(fen)(fen)(fen)水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)添加(jia)交(jiao)(jiao)聯(lian)(lian)劑(ji)后能(neng)(neng)(neng)(neng)(neng)提高(gao)粘接(jie)性(xing)(xing)(xing)(xing)能(neng)(neng)(neng)(neng)(neng),在這些情況(kuang)中(zhong),水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)主劑(ji)和(he)(he)交(jiao)(jiao)聯(lian)(lian)劑(ji)二者就組(zu)成(cheng)(cheng)(cheng)雙組(zu)分(fen)(fen)(fen)(fen)體(ti)(ti)系(xi)。紹興水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)樹脂推薦哪(na)家,選擇(ze)上海貝爾特新(xin)材料科技(ji)有限公(gong)司。天津啞光(guang)水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)(xing)聚(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)樹脂價格(ge)對比

蘇州找水(shui)性聚氨(an)酯(zhi)(zhi)樹(shu)脂選擇哪家,推(tui)薦上海貝爾特新材料科技有限公司。重慶油墨水(shui)性聚氨(an)酯(zhi)(zhi)樹(shu)脂供應

前言水(shui)(shui)性(xing)(xing)聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)是以(yi)水(shui)(shui)代(dai)替有機(ji)溶劑(ji)(ji)作為(wei)分散介(jie)質的(de)(de)(de)(de)(de)(de)新(xin)(xin)型(xing)(xing)聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)體系,也(ye)(ye)稱水(shui)(shui)分散聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)、水(shui)(shui)系聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)或水(shui)(shui)基聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)。水(shui)(shui)性(xing)(xing)聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)以(yi)水(shui)(shui)為(wei)溶劑(ji)(ji),無污染、安全(quan)可靠(kao)、機(ji)械性(xing)(xing)能優良、相(xiang)容(rong)性(xing)(xing)好(hao)(hao)、易(yi)于改性(xing)(xing)等(deng)優點(dian)。進入90年代(dai),隨著(zhu)人們(men)環(huan)保(bao)意識以(yi)及(ji)環(huan)保(bao)法規的(de)(de)(de)(de)(de)(de)加(jia)強,環(huan)境友好(hao)(hao)的(de)(de)(de)(de)(de)(de)水(shui)(shui)性(xing)(xing)聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)(de)(de)(de)研究(jiu)(jiu)(jiu)、開發(fa)日(ri)益受(shou)到(dao)重(zhong)視,其應用已(yi)(yi)(yi)由皮(pi)革(ge)涂(tu)(tu)飾劑(ji)(ji)不(bu)斷(duan)擴展到(dao)涂(tu)(tu)料、黏合劑(ji)(ji)等(deng)領(ling)域,正(zheng)在(zai)逐步(bu)占領(ling)溶劑(ji)(ji)型(xing)(xing)聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)(de)(de)(de)市場,**著(zhu)涂(tu)(tu)料、黏合劑(ji)(ji)的(de)(de)(de)(de)(de)(de)發(fa)展方(fang)向。令人奇怪(guai)的(de)(de)(de)(de)(de)(de)是,在(zai)水(shui)(shui)性(xing)(xing)樹脂中,水(shui)(shui)性(xing)(xing)聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)仍然(ran)也(ye)(ye)是樹脂的(de)(de)(de)(de)(de)(de)**,是現代(dai)水(shui)(shui)性(xing)(xing)樹脂研究(jiu)(jiu)(jiu)的(de)(de)(de)(de)(de)(de)熱點(dian)之一。基本(ben)概念水(shui)(shui)性(xing)(xing)聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)是以(yi)水(shui)(shui)代(dai)替有機(ji)溶劑(ji)(ji)作為(wei)分散介(jie)質的(de)(de)(de)(de)(de)(de)新(xin)(xin)型(xing)(xing)聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)體系,也(ye)(ye)稱水(shui)(shui)分散聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)、水(shui)(shui)系聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)或水(shui)(shui)基聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)。水(shui)(shui)性(xing)(xing)聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)以(yi)水(shui)(shui)為(wei)溶劑(ji)(ji),無污染、安全(quan)可靠(kao)、機(ji)械性(xing)(xing)能優良、相(xiang)容(rong)性(xing)(xing)好(hao)(hao)、易(yi)于改性(xing)(xing)等(deng)優點(dian)。聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)樹脂的(de)(de)(de)(de)(de)(de)水(shui)(shui)性(xing)(xing)化已(yi)(yi)(yi)逐步(bu)取代(dai)溶劑(ji)(ji)型(xing)(xing),成為(wei)聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)工業發(fa)展的(de)(de)(de)(de)(de)(de)重(zhong)要方(fang)向。水(shui)(shui)性(xing)(xing)聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)可廣泛應用于涂(tu)(tu)料、膠(jiao)粘(zhan)劑(ji)(ji)、織物涂(tu)(tu)層與(yu)整理劑(ji)(ji)、皮(pi)革(ge)涂(tu)(tu)飾劑(ji)(ji)、紙(zhi)張表面處理劑(ji)(ji)和纖維(wei)表面處理劑(ji)(ji)。本(ben)項目經過國(guo)家自(zi)(zi)(zi)然(ran)科(ke)學(xue)基金資助研究(jiu)(jiu)(jiu)及(ji)十多年的(de)(de)(de)(de)(de)(de)研發(fa),已(yi)(yi)(yi)具(ju)有成熟(shu)的(de)(de)(de)(de)(de)(de)陰離子型(xing)(xing)自(zi)(zi)(zi)乳(ru)化聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)乳(ru)液和陽(yang)離子型(xing)(xing)自(zi)(zi)(zi)乳(ru)化聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)乳(ru)液合成改性(xing)(xing)的(de)(de)(de)(de)(de)(de)技術。重(zhong)慶油墨(mo)水(shui)(shui)性(xing)(xing)聚(ju)(ju)(ju)(ju)(ju)氨(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)樹脂供(gong)應

上海(hai)貝爾特(te)新材(cai)料科技有限(xian)公司(si)是國(guo)內一家多年來(lai)專(zhuan)注從(cong)事水(shui)性(xing)聚氨(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi),染色定(ding)(ding)(ding)(ding)型(xing)水(shui)性(xing)聚氨(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi),數碼打印(yin)水(shui)性(xing)聚氨(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi),紡(fang)織品(pin)涂層印(yin)花水(shui)性(xing)聚氨(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)老牌企業(ye)。公司(si)位于上海(hai)市嘉定(ding)(ding)(ding)(ding)區環城路2222號1幢J,成(cheng)立(li)于2019-07-19。公司(si)的(de)(de)(de)產(chan)品(pin)營(ying)銷網(wang)絡遍布(bu)國(guo)內各大市場。公司(si)主要(yao)經營(ying)水(shui)性(xing)聚氨(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi),染色定(ding)(ding)(ding)(ding)型(xing)水(shui)性(xing)聚氨(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi),數碼打印(yin)水(shui)性(xing)聚氨(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi),紡(fang)織品(pin)涂層印(yin)花水(shui)性(xing)聚氨(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)等產(chan)品(pin),我們依(yi)托高素質的(de)(de)(de)技術人員和(he)(he)(he)銷售(shou)(shou)隊(dui)伍(wu),本著誠信經營(ying)、理解客戶需求為(wei)經營(ying)原(yuan)則(ze),公司(si)通過良(liang)好的(de)(de)(de)信譽和(he)(he)(he)周到的(de)(de)(de)售(shou)(shou)前(qian)、售(shou)(shou)后服(fu)務,贏(ying)得(de)用(yong)戶的(de)(de)(de)信賴和(he)(he)(he)支持。公司(si)秉承以人為(wei)本,科技創新,市場先導,和(he)(he)(he)諧共贏(ying)的(de)(de)(de)理念,建立(li)一支由水(shui)性(xing)聚氨(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi),染色定(ding)(ding)(ding)(ding)型(xing)水(shui)性(xing)聚氨(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi),數碼打印(yin)水(shui)性(xing)聚氨(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi),紡(fang)織品(pin)涂層印(yin)花水(shui)性(xing)聚氨(an)(an)(an)(an)(an)酯(zhi)(zhi)(zhi)(zhi)專(zhuan)家組成(cheng)的(de)(de)(de)顧問團(tuan)隊(dui),由經驗(yan)豐富(fu)的(de)(de)(de)技術人員組成(cheng)的(de)(de)(de)研(yan)發和(he)(he)(he)應用(yong)團(tuan)隊(dui)。上海(hai)貝爾特(te)新材(cai)料科技有限(xian)公司(si)依(yi)托多年來(lai)完善(shan)的(de)(de)(de)服(fu)務經驗(yan)、良(liang)好的(de)(de)(de)服(fu)務隊(dui)伍(wu)、完善(shan)的(de)(de)(de)服(fu)務網(wang)絡和(he)(he)(he)強(qiang)大的(de)(de)(de)合作伙伴,目前(qian)已經得(de)到化工行業(ye)內客戶認可和(he)(he)(he)支持,并(bing)贏(ying)得(de)長(chang)期合作伙伴的(de)(de)(de)信賴。

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