<***N style="mso-fareast-font-family: 宋體" lang=EN-US>??? PVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">對(duì)玻璃、金屬和塑料、紙張、織物表面具有特別的粘結(jié)力；加上其親水性、分散穩(wěn)定性、無(wú)觸變性、增稠性等特點(diǎn)，使它廣泛用于各種粘結(jié)劑配方中。這種應(yīng)用分為兩類(lèi)。**類(lèi)是將<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">作為膠粘劑的主要成份，另一類(lèi)是將<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的粘結(jié)性能用于需要粘結(jié)劑組份的其他產(chǎn)品中，如涂料、油墨、上光劑、各種片劑、<***N style="mso-fareast-font-family: 宋體" lang=EN-US><***N style="mso-spacerun: yes">? <***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">顆粒劑、燒結(jié)材料釉料等。<***N style="mso-fareast-font-family: 宋體" lang=EN-US>

<***N style="FONT-FAMILY: 宋體; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">在膠粘劑中的應(yīng)用<***N style="FONT-SIZE: 14pt; mso-fareast-font-family: 宋體" lang=EN-US>

<***N style="mso-fareast-font-family: 宋體" lang=EN-US><***N style="mso-spacerun: yes">??? PVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">作為膠粘劑的主要成份，在工業(yè)上應(yīng)用*廣泛的有固體膠水棒、壓敏膠及再濕性膠等。<***N style="mso-fareast-font-family: 宋體" lang=EN-US>

<***N style="mso-fareast-font-family: 宋體" lang=EN-US><***N style="mso-spacerun: yes">??? <***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">固體膠水棒是新型辦公（包括學(xué)校學(xué)生用）膠水，由于其使用涂布方便，初粘力強(qiáng)，適用于各種紙張，粘合后平整無(wú)皺，克服了液體膠水的種種缺點(diǎn)，因此近三十年來(lái)成為世界流行的辦公用品。作為固體膠水棒的粘結(jié)劑應(yīng)具有粘結(jié)能力強(qiáng)，特別是初粘力好；涂布性好，涂層薄而均勻；固形性，在涂布受力時(shí)不變形，且能適應(yīng)各種氣候條件；貯存期長(zhǎng)，無(wú)毒。研究證明，在各種水溶性高分子中，<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">是能全部滿足上述要求的極少幾個(gè)品種之一。市場(chǎng)上也有以<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVA<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">為主要粘結(jié)成份的固體膠水，但它們一般都難以克服<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVA<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的凝膠化傾向，保質(zhì)期短，**失去粘結(jié)力。表<***N style="mso-fareast-font-family: 宋體" lang=EN-US>56<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">為以<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">為原料的若干市售固體膠水產(chǎn)品的粘著強(qiáng)度比較。<***N style="mso-fareast-font-family: 宋體" lang=EN-US>

<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">表<***N style="mso-fareast-font-family: 宋體" lang=EN-US>56<***N style="mso-spacerun: yes">? <***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">固體膠水粘著強(qiáng)度比較<***N style="mso-fareast-font-family: 宋體" lang=EN-US>*

<***N style="FONT-FAMILY: 宋體; COLOR: black; FONT-SIZE: 12.5pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt; mso-hansi-font-family: 'Times New Roman'" lang=EN-US>*<***N style="FONT-FAMILY: 宋體; COLOR: black; FONT-SIZE: 12.5pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt; mso-hansi-font-family: 'Times New Roman'">基材——湖蘭全棉紗綢，<***N lang=EN-US>40×<***N lang=EN-US>40支，測(cè)試方法<***N lang=EN-US>GB 532-82

<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">應(yīng)用試驗(yàn)證明，固體膠水適合于各種書(shū)寫(xiě)紙、臘光紙、拷貝紙、膠板紙、凸版印刷紙、皺紋紙、照相紙，特別是對(duì)小件紙品的粘貼可以操作自如，即貼即寫(xiě)；還可以粘貼織物及聚苯**材料如裝飾用發(fā)泡紙等。因此，已在全球迅速推廣。近十年以來(lái)中國(guó)和韓國(guó)已成為全球固體膠水主要生產(chǎn)和出口基地。兩國(guó)為生產(chǎn)固體膠水采購(gòu)的主要原料<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVP K90<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">達(dá)到<***N style="mso-fareast-font-family: 宋體" lang=EN-US>2000<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">噸左右。例如，中國(guó)江蘇興達(dá)文具集團(tuán)公司每年從國(guó)內(nèi)外采購(gòu)<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVP K90 500-700<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">噸，生產(chǎn)各種類(lèi)型固體膠水<***N style="mso-fareast-font-family: 宋體" lang=EN-US>2<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">－<***N style="mso-fareast-font-family: 宋體" lang=EN-US>3<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">億支，成為全球**的固體膠水制造商。<***N style="mso-fareast-font-family: 宋體" lang=EN-US>

<***N style="mso-fareast-font-family: 宋體" lang=EN-US><***N style="mso-spacerun: yes">??? <***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">以<***N style="mso-fareast-font-family: 宋體" lang=EN-US>NVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">聚合物為主要粘結(jié)成份的另一種膠粘劑是壓敏膠。在壓敏膠配方中加入<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">可提高膠帶的初粘力，強(qiáng)度和硬度。***酯與<***N style="mso-fareast-font-family: 宋體" lang=EN-US>NVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的共聚物可以作為精細(xì)材料的保護(hù)性膜，具有反復(fù)粘著與剝離的性能。醫(yī)用皮膚壓敏膠廣泛采用包括<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">在內(nèi)的水溶性高分子作為粘結(jié)成份；特別在皮膚給藥膜上，這是一種全新可控釋放給藥方式。藥膜本身含有可通過(guò)皮膚吸收的藥物，<***N style="mso-fareast-font-family: 宋體" lang=EN-US>NVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">聚合物作為一種粘結(jié)劑，成為凝膠狀的藥物基質(zhì)，促進(jìn)藥物的擴(kuò)散。治療心肌梗塞的****酯就可以做成這樣的藥膜。又如<***N style="mso-fareast-font-family: 宋體" lang=EN-US>NVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">與***酯的共聚物就可以作為殺菌劑碘的載體，通過(guò)其壓敏粘結(jié)性固定在皮膚上，成為局部防感染的皮膚給藥膜。另一類(lèi)醫(yī)用壓敏膠的作用是將****的電極固定在皮膚上，它往往是具有壓敏粘結(jié)性可以反復(fù)使用的，而且能吸附電解質(zhì)溶液的水凝膠，<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">可以增加水凝膠的強(qiáng)度，提高其在電解質(zhì)中的穩(wěn)定性。<***N style="mso-fareast-font-family: 宋體" lang=EN-US>

<***N style="mso-fareast-font-family: 宋體" lang=EN-US><***N style="mso-spacerun: yes">??? <***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">第三種以<***N style="mso-fareast-font-family: 宋體" lang=EN-US>NVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">聚合物為主要成份的粘結(jié)劑是再濕性膠，所謂再濕性膠是指在干燥狀態(tài)不具有粘結(jié)性，而在吸水的狀態(tài)下可以發(fā)揮粘結(jié)作用。<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">，特別是<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVP/VA<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">，由于其可調(diào)節(jié)的吸濕性，成為這一類(lèi)粘結(jié)劑的主要成份。一種熱熔涂布，再濕使用的粘結(jié)劑就是由<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVP/VA<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">，聚乙二醇組成的，其配方如下表：<***N style="mso-fareast-font-family: 宋體" lang=EN-US>

<***N style="mso-fareast-font-family: 宋體" lang=EN-US><***N style="mso-spacerun: yes">??? <***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">表<***N style="mso-fareast-font-family: 宋體" lang=EN-US>57<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">再濕性粘結(jié)劑配方<***N style="mso-fareast-font-family: 宋體" lang=EN-US>

<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">選擇<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVP/VA<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">合適的分子量和分子中<***N style="mso-fareast-font-family: 宋體" lang=EN-US>VP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">與<***N style="mso-fareast-font-family: 宋體" lang=EN-US>VA<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的比例，可以改進(jìn)膠粘劑的流動(dòng)溫度，在<***N style="mso-fareast-font-family: 宋體" lang=EN-US>75%<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">相對(duì)濕度下的抗結(jié)塊性和對(duì)水的敏感度。從熱穩(wěn)定性、抗結(jié)塊性、粘結(jié)性、粘度、機(jī)械特性、吸濕速度，吸濕粘度等方面滿足涂布、使用和貯存的要求。<***N style="mso-fareast-font-family: 宋體" lang=EN-US>

<***N style="FONT-FAMILY: 宋體; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">在其它產(chǎn)品加工、生產(chǎn)中作為粘結(jié)劑的應(yīng)用<***N style="FONT-SIZE: 14pt; mso-fareast-font-family: 宋體" lang=EN-US>

<***N style="mso-fareast-font-family: 宋體" lang=EN-US><***N style="mso-spacerun: yes">??? <***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">由于<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">對(duì)玻璃有優(yōu)良的粘結(jié)性，所以被用于玻璃纖維的上光劑，使玻纖表面更光滑，減少在拉伸過(guò)程中的磨損，增加纖維束的抱合力。酚醛樹(shù)脂，飽和聚酯樹(shù)脂纖維素衍生物，****<***N style="mso-fareast-font-family: 宋體" lang=EN-US>/<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">*******樹(shù)脂都可與<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">共同組成玻纖上光劑。某些配方已在國(guó)內(nèi)一些大玻纖廠得到應(yīng)用。<***N style="mso-fareast-font-family: 宋體" lang=EN-US>

<***N style="mso-fareast-font-family: 宋體" lang=EN-US><***N style="mso-spacerun: yes">??? <***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">據(jù)以相同的原因，<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">還可用于許多無(wú)機(jī)纖維如碳纖維、<***N style="mso-fareast-font-family: 宋體" lang=EN-US>Al₂O₃<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">纖維，鈦酸鎂纖維的制備和加工，增加纖維與樹(shù)脂復(fù)合時(shí)的粘結(jié)力。<***N style="mso-fareast-font-family: 宋體" lang=EN-US>

<***N style="mso-fareast-font-family: 宋體" lang=EN-US><***N style="mso-spacerun: yes">??? <***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">在用玻璃、陶瓷、石英、**、云母等無(wú)機(jī)材料制備高柔性、特種紙時(shí)，<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">往往可以對(duì)纖維起到分散，粘結(jié)的作用，提高紙張的強(qiáng)度。<***N style="mso-fareast-font-family: 宋體" lang=EN-US>

<***N style="mso-fareast-font-family: 宋體" lang=EN-US><***N style="mso-spacerun: yes">??? PVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">在精細(xì)陶瓷加工，高尺寸**度燒結(jié)陶瓷，可控磁性燒結(jié)陶瓷，柔性陶瓷，陶瓷表面涂層，陶瓷、玻璃用印刷油墨，瓷器釉料，鍍鎳鋼搪瓷釉藥中都可作為漿料、顏料等分散劑、粘結(jié)劑而受到廣泛的重視和應(yīng)用。在陶瓷加工中，<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">可在燒結(jié)時(shí)完全燃燒。因此，對(duì)陶瓷本身無(wú)任何影響。<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVPK90<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">還可防止陶瓷制品在燒結(jié)前的破裂。在釉料和油墨中，<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">對(duì)顏料和染料的親和性可保證釉料和油墨的均勻、穩(wěn)定和高附著力。<***N style="mso-fareast-font-family: 宋體" lang=EN-US>

<***N style="mso-fareast-font-family: 宋體" lang=EN-US><***N style="mso-spacerun: yes">??? PVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">是所有類(lèi)型工業(yè)或民用片劑、顆粒劑的成型粘結(jié)劑，例如用于假牙的清潔片、**用繪畫(huà)涂料片、家用或工業(yè)用片狀、塊狀凈洗劑等。<***N style="mso-fareast-font-family: 宋體" lang=EN-US>

<***N style="mso-fareast-font-family: 宋體" lang=EN-US><***N style="mso-spacerun: yes">??? PVPK30<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">和<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVPK90<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">是制造石膏繃帶的良好粘結(jié)劑，將<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">溶于有機(jī)溶劑如**中，生成**<***N style="mso-fareast-font-family: 宋體" lang=EN-US>-PVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">溶液，將石膏分散其中，然后將懸浮液施于繃帶上，干燥后即可得到塑性好、均勻一致的石膏繃帶，減少碎粉，增加彈性和牢度。<***N style="mso-fareast-font-family: 宋體" lang=EN-US>

<***N style="mso-fareast-font-family: 宋體" lang=EN-US><***N style="mso-spacerun: yes">??? PVPKl7 <***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">可以作為照相紙的粘結(jié)劑。<***N style="mso-fareast-font-family: 宋體" lang=EN-US>

<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">各種需用粘結(jié)劑的產(chǎn)品都有其特別的要求和使用條件，只要充分了解<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的各種性質(zhì)及其相互關(guān)系，就可以在許多新產(chǎn)品的開(kāi)發(fā)中發(fā)揮<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的粘結(jié)作用。<***N style="mso-fareast-font-family: 宋體" lang=EN-US>

<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">全球用于生產(chǎn)粘結(jié)劑的<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">約為<***N style="mso-fareast-font-family: 宋體" lang=EN-US>3300<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">噸，占<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">總消費(fèi)量的<***N style="mso-fareast-font-family: 宋體" lang=EN-US>7%<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">以上。至于用在生產(chǎn)其他各種產(chǎn)品中，主要起粘結(jié)作用的<***N style="mso-fareast-font-family: 宋體" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的需求量就不在以上數(shù)據(jù)之內(nèi)了，也難以正確統(tǒng)計(jì)。<***N style="mso-fareast-font-family: 宋體" lang=EN-US>