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clearfix"><h1>福建雙組分溶劑型丙烯酸壓敏膠的應(yīng)用誠信互利臨沂金港精細(xì)化工供應(yīng)</h1><div id="m48nbxy" class="proBig"><div id="tteouls" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/lyjgjxhgyxgs/637143714226279297/1313669.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="hcnu33g" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/lyjgjxhgyxgs/637143714226279297/1313669.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="j383fqc" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>山東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>福建雙組分溶劑型丙烯酸壓敏膠的應(yīng)用,壓敏膠</p><p><span>***更新：</span>2020-09-01 15:21:51</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="d4bec2d" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">臨沂金港精細(xì)化工有限公司</a></p><p><span>聯(lián)系人：</span>姚其營</p><p><span>郵箱: </span>jingangjiaozhan@163.com</p><p><span>電話: </span>18653987178</p><p><span>傳真: </span>0539_7858566</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0539-7858566</p><p><span>地址: </span>臨港經(jīng)濟(jì)開發(fā)區(qū)團(tuán)林鎮(zhèn)</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="iopqhi3" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="w2epqwx" class="box"><p><p> 丙烯酸系的壓敏膠一般以溶液型為主，也有極少的是水性壓敏膠，丙烯酸系的熱熔壓敏膠主要組成可以堪稱是軟單體、硬單體和官能單體這三種的構(gòu)成。軟單體是提供壓敏性能的重要單體，福建雙組分溶劑型丙烯酸壓敏膠的應(yīng)用，在共聚物中的占比大，例如丙烯酸丁酯和丙烯酸2-乙基乙酯等都是，可以占到混合單體總量的85%。硬單體例如甲基丙烯酸甲酯等這些均聚物的Tg比較高，能夠提高壓敏膠的內(nèi)聚強(qiáng)度，隨著硬單體用量的增加，壓敏膠的粘度增大，剝離強(qiáng)度增大，初粘力則會有所降低。官能單體指的是丙烯酸、丙烯酰胺、馬來酸酐等的單體，他們的加入在共聚物當(dāng)中引入極性基團(tuán)，極性基團(tuán)的電子效應(yīng)增強(qiáng)了共聚物與極性被粘結(jié)表面粘結(jié)的牢靠性，福建雙組分溶劑型丙烯酸壓敏膠的應(yīng)用，福建雙組分溶劑型丙烯酸壓敏膠的應(yīng)用。 </p> <p> 臨沂金港精細(xì)化工有限公司成立于2010年，是一家專業(yè)從事丙烯酸酯類膠粘劑產(chǎn)品生產(chǎn)的企業(yè)，具有工藝設(shè)備先進(jìn)、安全環(huán)保、節(jié)能有效、質(zhì)量優(yōu)良等諸多優(yōu)勢。歡迎咨詢。溶劑型丙烯酸壓敏膠有什么突出的優(yōu)勢？福建雙組分溶劑型丙烯酸壓敏膠的應(yīng)用</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建雙組分溶劑型丙烯酸壓敏膠的應(yīng)用,壓敏膠" src="http://tyunfile.71360.com/UploadFile/lyjgjxhgyxgs/637143714226279297/1313669.jpg"></div><p> 相對分子質(zhì)量及其分布對壓敏膠性能的影響 </p> <p> 共聚物的相對分子質(zhì)量對它們的力學(xué)性能和膠粘性能有很大影響，低相對分子質(zhì)量共聚物制成的壓敏膠，雖然初粘力有時可能不錯，但剝離強(qiáng)度和持粘力一般都不高，一個好的壓敏膠其持粘力隨相對分子質(zhì)量增加而迅速提高，初粘力和剝離強(qiáng)度則下降到一個穩(wěn)定水平，剝離出現(xiàn)穩(wěn)定的界面破壞。因此，制備丙烯酸酯壓敏膠時必須將共聚物的相對分子質(zhì)量控制在一定的范圍內(nèi)。共聚物組成和結(jié)構(gòu)不同，相對分子質(zhì)量的較好范圍也不相同。 </p> <p> 相對分子質(zhì)量分布對壓敏膠的性能也有影響，一般來說，高相對分子質(zhì)量的部分決定了壓敏膠的持粘力，低相對分子質(zhì)量成分則影響初粘力和剝離強(qiáng)度。在同樣的情況下，相對分子質(zhì)量分布較寬的共聚物膠粘劑更容易做到壓敏膠三大性能的平衡。實(shí)際表明，在相對分子質(zhì)量較高的交聯(lián)型丙烯酸酯壓敏膠中，混入少量較低相對分子質(zhì)量的非交聯(lián)型丙烯酸酯共聚物，使用權(quán)相對分子質(zhì)量分布變寬，可以在保持較好持粘力的情況下在極大的提高初粘力和剝離強(qiáng)度。 </p> <p> 歡迎廣大新老客戶致電咨詢浙江丙烯酸壓敏膠批發(fā)價格壓敏膠黏劑的這種特點(diǎn)通常也被稱為不干膠。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建雙組分溶劑型丙烯酸壓敏膠的應(yīng)用,壓敏膠" src="http://tyunfile.71360.com/UploadFile/lyjgjxhgyxgs/637143715089863281/1612152.jpg"></div><p> 丙烯酸酯壓敏膠粘劑由各種丙烯酸酯單體經(jīng)溶液或乳液共聚合所得到的溶液或乳液共聚物構(gòu)成.常溫下,它有優(yōu) 良的壓敏性和粘接性,又由于耐老化性,耐光性,耐水性, 耐油性優(yōu)良,所以幾乎沒有經(jīng)時變化引起壓敏性下降的問題,而且可剝離性能優(yōu)良.與橡膠類壓敏膠相比,內(nèi)聚強(qiáng)度較低,所以常使之發(fā)生部分交聯(lián)以提高內(nèi)聚力。 </p> <p> 溶劑型丙烯酸酯壓敏膠是由丙烯酸酯單體在有機(jī)溶劑中進(jìn)行自由基聚合而得的黏稠液體,加或不加其他的添加劑所構(gòu)成,分為非交聯(lián)型,交聯(lián)型和非水分散型.溶劑型丙烯酸酯壓敏膠具有平均相對分子量較低,潤濕性好,初粘力大,干燥速度快,耐水性好等諸多優(yōu)點(diǎn),至今仍被寬泛用于制作醫(yī)用膠帶,壓敏標(biāo)簽,BOPP包裝膠帶,文具膠帶,雙面膠帶,防爆膠帶等f21.不過,溶劑型丙烯酸酯壓敏膠也存在著耐溫性差的缺點(diǎn),尤其是耐高溫性,這較大的影響了其使用范圍.因此,對于其耐高溫性的研究還是一個熱點(diǎn)。 </p><p> 共聚物的玻璃化溫度 </p> <p> 用作壓敏膠粘劑的丙烯酸酯共聚物，一般都是上述3類單體在自由基型引發(fā)劑作用下進(jìn)行自由基共聚合制得的。溶液聚合常用的引發(fā)劑為過氧化苯甲酰(BPO)和偶氮二異丁腈(AIBN);乳液聚合則用水溶性的過liu酸銨(APS)或過liu酸鉀(KPS)作引發(fā)劑。共聚時3類單體的用量，要考慮到粘性及內(nèi)聚力的平衡，共聚物的玻璃化溫度在一定程度上反映了壓敏膠的性能，因此，人們常常用玻璃化溫度的數(shù)值來預(yù)測一個共聚物是否適宜用作壓敏膠粘劑，還可以指導(dǎo)如何改進(jìn)共聚物的力學(xué)性能。只有當(dāng)共聚物的玻璃化溫度低于-200C 時，室溫才會產(chǎn)生壓敏膠粘性;若1個壓敏膠在室溫標(biāo)準(zhǔn)條件下進(jìn)行剝離測試時主要發(fā)生膠層內(nèi)部破壞，那么設(shè)法提高玻璃化溫度就能使它的壓敏膠粘性能得到提高。 </p> <p> 歡迎廣大新老客戶致電咨詢。丙烯酸環(huán)保型水性壓敏膠的主要特性是什么？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建雙組分溶劑型丙烯酸壓敏膠的應(yīng)用,壓敏膠" src="http://tyunfile.71360.com/UploadFile/lyjgjxhgyxgs/637143714226035156/4512763.jpg"></div><p> 壓敏膠粘劑對被粘表面的濕潤 </p> <p> *是壓敏膠粘劑與被粘表面的緊密接觸還不能產(chǎn)生粘合力，還必須對被粘表面有良好的濕潤，使它與被粘表面達(dá)到分子接近程度才能產(chǎn)生分子間力，即粘合力，壓敏膠粘劑對固體表面的濕潤可以從熱力學(xué)和動力學(xué)兩個方面考慮。濕潤首先必須滿足熱力學(xué)和動力學(xué)條件，當(dāng)壓敏膠的表面張力與被粘物的表面張力相差越小時，它們的接觸角就越接近00，此時濕潤性當(dāng)然就越好，在天然橡膠中加入增粘樹脂就是降低表面張力，提高界面結(jié)合力。從動力學(xué)考慮，濕潤還有一個速度問題，主要取決于壓敏膠的粘度和接觸角的大小。粘度越小、接觸角或表面張力越小，壓敏膠對被粘物表面的濕潤速度越快，濕潤性戟好。于壓敏膠內(nèi)加入軟化劑便函是為降低粘度，達(dá)到提高濕潤性的目的。<br /> 歡迎廣大新老客戶致電咨詢壓敏膠主要用于什么行業(yè)？浙江丙烯酸壓敏膠批發(fā)價格</p><p style="text-indent:25px">丙烯酸環(huán)保型水性壓敏膠是什么樣的？有人知道嗎？福建雙組分溶劑型丙烯酸壓敏膠的應(yīng)用</p><p> 壓敏膠粘劑的應(yīng)用 </p> <p> 雖然壓敏膠黏劑可以直接被用于一些材料和物品的粘接，但絕大多數(shù)情況下都是將壓敏膠黏劑涂布于塑料薄膜、織物、紙張、金屬箔片或多孔的片材上，制成膠黏帶和膠黏標(biāo)簽等壓敏膠黏制品來使用。這些制品具有黏之容易，揭之不難，剝而不損，并在較長時間內(nèi)膠層不會干涸的特點(diǎn)。壓敏膠黏劑的這種特點(diǎn)通常也被稱為不干膠。正因?yàn)榇?，壓敏膠黏制品具有非常寬泛的應(yīng)用領(lǐng)域，如辦公和包裝用的膠黏帶;涂裝和刻蝕用的遮蔽帶;電工和電器用的絕緣帶;各種鏡面的保護(hù)帶以及各種壓敏標(biāo)簽等。<br /> 歡迎廣大新老客戶致電咨詢福建雙組分溶劑型丙烯酸壓敏膠的應(yīng)用</p><p style="text-indent:25px">臨沂金港精細(xì)化工有限公司致力于化工，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。公司自創(chuàng)立以來，投身于溶劑型丙烯酸壓敏膠，丙烯酸環(huán)保型水性壓敏膠，甲苯，甲醇，是化工的主力軍。金港化工繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。金港化工始終關(guān)注化工市場，以敏銳的市場洞察力，實(shí)現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1119138.html</p></div></div></div></div></div><div id="vkbnj3j" class="page-right twoColRt"><div id="qj3uvr8" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="z73absj" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="go2s3kq" 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