CN114479692A - 聚烯烃纳米合金反射隔热净化空气均质的多功能自粘防水卷材 - Google Patents
聚烯烃纳米合金反射隔热净化空气均质的多功能自粘防水卷材 Download PDFInfo
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- CN114479692A CN114479692A CN202210312583.6A CN202210312583A CN114479692A CN 114479692 A CN114479692 A CN 114479692A CN 202210312583 A CN202210312583 A CN 202210312583A CN 114479692 A CN114479692 A CN 114479692A
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Abstract
本发明涉及一种聚烯烃纳米合金反射隔热净化空气均质的多功能自粘防水卷材,为解决不环保耐用问题,是卷材由下列材料:氯化聚乙烯粉,低密度聚乙烯,聚丙烯,高密聚乙烯,茂金属聚乙烯,三元乙丙橡胶,聚氨酯,乙烯‑醋酸乙烯共聚物及适量助剂经混炼、造粒、混合、流延,底面覆胶覆膜制成;混炼是氯化聚乙烯粉及低密度聚乙烯和聚丙烯用预热混合机进行混炼,加入均混的表面活化改性剂及纳米光触媒进行混炼,加入除增塑剂以外的其它助剂进行混炼,最后加入增塑剂进行混炼;混合是造粒制得的颗粒与高密聚乙烯及茂金属聚乙烯、三元乙丙橡胶、聚氨酯和乙烯‑醋酸乙烯共聚物用混合机混合。具有防水反射隔热净化空气自粘耐用性综合性能好,特别是净化空气反射及隔热性,卷材轻便方便施工耐用性能方面能很好地满足现代建筑需要的优点。
Description
技术领域
本发明涉及一种自粘防水卷材,特别是涉及一种聚烯烃纳米合金反射隔热净化空气均质的多功能自粘防水卷材。
背景技术
建筑防水是关系到国计民生的重要产业,建筑防水关乎建筑安全和寿命,关乎百姓民生和安康。目前,我国防水卷材仍然是以沥青基或改性沥青为主,以单一防水功能为主。然而沥青是一种棕黑色有机胶凝状物质,包括天然沥青、石油沥青、页岩沥青和煤焦油沥青等四种。主要成分是沥青质和树脂,其次有高沸点矿物油和少量的氧、硫和氯的化合物。有光泽,呈液体、半固体或固体状态,低温时质脆,粘结性和防腐性能良好。沥青烟和粉尘可经呼吸道和污染皮肤而引起中毒,发生皮炎、视力模糊、眼结膜炎、胸闷、腹病、心悸、头痛等症状。经科学试验证明,沥青和沥青烟中所含的3,4苯并芘是引起皮肤癌、肺癌、胃癌和食道癌的主要原因之一。在受沥青污染的空气中生活,易致免疫力下降。沥青及其所含蒽、菲、吡啶等均系光毒物,在紫外线作用下可引起光化学反应。沥青所致光化学反应系沥青在有氧条件下通过光能作用所发生的光化学反应,反应生成的自由基、过氧化物引起细胞损伤,造成非免疫性疾病。
国家建筑防水材料中,SBS/APP改性沥青防水卷材生产占26.3%,沥青油毡类防水卷材占13%,玻纤沥青瓦占3.6%,防水涂料占23.1%,自粘防水卷材占12.4%,高分子防水卷材占15.1%,其它新型防水卷材占6.4%。国家建筑防水行业发展规划指出,要大力推进新材料在防水工程中的应用,淘汰部分改性沥青、沥青复合防水卷材,优先发展高分子自粘膜防水卷材,鼓励开发具有保温、隔热、阻燃等功能复合型防水材料,发展单层屋面系统。但高分子防水卷材存在问题:产品功能单一化,仅能防水;多功能卷材是多层复合,而非均质;多数防水材料为焊接型,焊接会污染空气,且一旦破损,就会蹿水;基本没有能净化空气的功能等。
现有一种自粘织物内增强热塑性聚烯烃复合防水卷材,至少包括一织物内增强热塑性聚烯烃层、一铝膜或是铝塑膜层和一自粘胶层,多层结构复合为一体;所述的织物内增强热塑性聚烯烃层由两层热塑性聚烯烃层复合一层织物增强层构成;所述的热塑性聚烯烃层主要由下述组分与质量份数的原料组成:第一组分热塑性聚烯烃40~60份,第二组分热塑性聚烯烃40~60份,填充剂25~50份,偶联剂1~2份,光屏蔽剂3~6份,抗氧剂0.3~0.6份,光稳定剂0.3~0.6份。但是在防水、反射、隔热、净化空气、自粘、耐用性等综合性能方面,特别是净化空气反射及隔热性和方便施工耐用性能方面还不能满足现代建筑需要。
发明内容
本发明目的在于克服现有技术的上述缺陷,提供一种结构简单,反射及隔热性和耐用性能好,方便施工并能净化空气的聚烯烃纳米合金反射隔热净化空气均质的多功能自粘防水卷材。
为实现上述目的,本发明聚烯烃纳米合金反射隔热净化空气均质的多功能自粘防水卷材,是卷材底面覆胶覆膜;其特别之处在于所述卷材由下列重量配比的主体材料:氯化聚乙烯粉100-110,低密度聚乙烯10-12,聚丙烯2-3,高密聚乙烯2.1-2.3,茂金属聚乙烯2-2.2,三元乙丙橡胶1.5-1.8,聚氨酯0.3-0.5,乙烯-醋酸乙烯共聚物0.2-0.6及适量助剂经制材,底面覆胶覆膜制成;所述制材步骤有混炼、造粒、混合、流延;混炼是氯化聚乙烯粉及低密度聚乙烯和聚丙烯用预热混合机进行混炼,加入均匀混合的助剂中的表面活化改性剂及纳米光触媒进行混炼,加入助剂中除增塑剂以外的其它助剂进行混炼,最后加入助剂中的增塑剂进行混炼;混合是造粒制得的颗粒与高密聚乙烯及茂金属聚乙烯、三元乙丙橡胶、聚氨酯和乙烯-醋酸乙烯共聚物用混合机混合。氯化聚乙烯粉及低密度聚乙烯和聚丙烯混炼后形成与表面活化改性剂及纳米光触媒亲和性好的预混炼物,再与表面活化改性剂及纳米光触媒混炼后形成与助剂中除增塑剂以外的其它助剂易混合的再混炼物,进一步与助剂中除增塑剂以外的其它助剂混炼成均质物进行助剂赋能,均质物再与增塑剂混炼成增塑均质物。混合是增塑均质物造粒制得的颗粒与高密聚乙烯及茂金属聚乙烯、三元乙丙橡胶、聚氨酯和乙烯-醋酸乙烯共聚物用混合机混合能进行很好地高分子赋能改性。总之,使用这些特殊原料,再利用这些特别的制备工艺步骤能够很好地对传统主体材料进行赋能改性增效,从而获得优异的综合性能。其中极性材料使卷材具有高强度胶粘性能。例如,表面光滑反射性能好,伸缩耐受性强、更易于接铺施工、并且耐用,多种结构材料及助剂有序混炼形成多优势综合体,显著降低传热性,增强隔热性,更能很好地与自粘结合,大幅度提高面耐候性能。覆胶的胶是压敏胶黏剂。经检验证明:具有防水、反射、隔热、净化空气、自粘、耐用性综合性能好,特别是净化空气反射及隔热性,卷材轻便方便施工耐用性能方面能很好地满足现代建筑需要的优点。
作为优化,助剂为表面活化改性剂、纳米光触媒、抗氧剂、硬脂酸金属盐、稳定剂、热稳定剂、紫外线吸收剂、光稳定剂、润滑剂、增塑剂。纳米光触媒是纳米TiO2(金红石型)、纳米TiO2(锐钛型)、纳米ZnO、纳米MgO、纳米Al2O3、纳米CaO中的一种或多种。这些助剂功能完备,能在发挥各自作用前提下,更进一步地产生很好地相互间协调作用,从而很好地满足现代建筑需要。硬脂酸金属盐作为加工助剂,显著提高成型加工性能及脱模和防腐性能。
作为优化,所述制材步骤是混炼、造粒、混合、流延;所述混炼是将氯化聚乙烯粉及低密度聚乙烯、聚丙烯在预热的高速混合机中进行第一次高速搅拌,加入均匀混合的表面活化改性剂及纳米光触媒进行第二次高速搅拌,加入抗氧化剂及硬脂酸金属盐、稳定剂、紫外线吸收剂、光稳定剂、润滑剂进行第三次高速搅拌,最后加入增塑剂进行第四次高速搅拌出料待用;所述混合是造粒制得的颗粒和高密聚乙烯及茂金属聚乙烯、三元乙丙橡胶、聚氨酯、乙烯-醋酸乙烯共聚物用混合机混合。
作为优化,所述造粒是用预热后的造粒机将上述混炼产物挤出、拉条、切粒;所述流延是用预热的流延机挤出流延,经冷却、测厚、展平后收卷;高速混合机的预热温度为65℃,造粒机的预热温度为175℃-180℃,流延机的预热温度为185℃-195℃。预热温度依次提高,能很好地满足从初混到再混到最终混合的各材料混合温度适应性需要。
作为优化,第四次高速搅拌时间大于第二和三次高速搅拌时间,第二和三次高速搅拌时间大于第一次高速搅拌时间。搅拌时间依次延长,能很好地满足从初混到再混到最终混合的各材料混合时间适应性需要。
作为优化,所述表面活化改性剂的重量配比为2-3,纳米光触媒的重量配比为1-1.2,抗氧剂为抗氧剂B225和亚磷酸三苯酯,硬脂酸金属盐为硬脂酸锂及硬脂酸锌和硬脂酸钙,稳定剂的重量配比为0.5-0.7,热稳定剂的重量配比为0.5-0.6,紫外线吸收剂为UV-531和UV-9,光稳定剂的重量配比为1-1.1,润滑剂为聚乙烯蜡及氧化聚乙烯蜡、白油和硅酮粉,增塑剂为环氧大豆油和环氧脂肪酸甲酯及硬脂酸丁酯。这种润滑剂的多种配合使用,能显著提高混炼混合的质效。这种增塑剂的多种配合使用,能显著提高长期使用中防龟裂防水耐候耐用性能。
作为优化,抗氧剂B225的重量配比为1.7-2.0,亚磷酸三苯酯的重量配比为0.5-0.6;环氧大豆油的重量配比为5-6,环氧脂肪酸甲酯的重量配比为2-2.1,硬脂酸丁酯的重量配比为0.5-0.6。这种增塑剂的多种配合使用,能显著提高和保障长期使用中防龟裂防水耐候耐用性能。
作为优化,硬脂酸锂的重量配比为2 -2.15,硬脂酸锌的重量配比为2 -2.12,硬脂酸钙的重量配比为1.5-1.7。此配比的硬脂酸复合金属盐作为加工助剂,显著提高和保障成型加工性能及脱模和防腐性能。
作为优化,表面活化改性剂为铝酸酯,稳定剂为硅酸镁铝和硅酸镁锂中的任意多种,热稳定剂为硫醇二甲基锡,光稳定剂为受阻胺。
作为优化,UV-531的重量配比为0.6-0.8,UV-9的重量配比为0.3-0.5;聚乙烯蜡的重量配比为0.5-0.6,氧化聚乙烯蜡的重量配比为0.5-0.7,白油的重量配比为1-1.2,硅酮粉的重量配比为0.7-0.8。这种润滑剂的多种配伍使用,能显著提高及保障混炼混合的质效。
经检验证明:(1)本产品隔热卷材,又称“冷屋面”,具有优良的热工性能,能较好的反射太阳光,尤其是近红外光,隔热温差大,所以称为冷屋面卷材。冷屋面是根据美国橡树岭国家实验室给出的概念,冷屋面可避免屋面因太阳暴晒使室内温度升高而增加建筑耗能,可以反射太阳光,把建筑围护结构的温度保持的比较低,从而减少能源的消耗,降低空气污染,降低城市热岛效应,让建筑更节能,让居者更舒适。本产品经国家建筑材料测试中心检验,近红外反射比为85%,太阳光反射比为84%,与弹性体改性沥青基防水卷材在彩钢瓦屋面上使用比较,室内温度降低了12℃。说明本产品符合“冷屋面”的定义,在炎热的夏天可以降低室内温度,缓解城市热岛效应,减少空调的使用,是节约能源的绿色建材。美国虽提出“冷屋面”的概念,但据可查的信息,国外并无冷屋面类的防水卷材使用,国外多是涂料、金属板材作为冷屋面材料。
(2)本产品具有自原料到产品到施工绿色环保的特点。原料选用无毒无污染;加工选用热熔挤出流延,无废水、废气、废渣排放,冷却水可一直循环使用;施工时仅需将基面清理干净,整齐铺粘卷材即可;本卷材轻便,与传统的沥青基防水卷材厚重、施工复杂、大部分需喷灯烘烤相比,有质的改变。本卷材自粘所选用的压敏胶黏剂能达到片材之间的自粘、卷材与水泥之间的良好粘接,粘接后的力学性能超过卷材本身。原料中加入了极性材料,使卷材具有高强度胶粘性能。本卷材的接缝剥离强度为≥2.5N/mm,超过国家标准中对硫化橡胶类、非硫化橡胶类、树脂类片材的要求≥1.5N/mm,与基面粘接后形成满粘层,杜绝蹿水的可能。本卷材重量轻, 1.2mm厚,1.2kg/㎡,而SBS改性沥青约1.75kg/㎡;施工层次少,节约人力,直接压敏粘接,不需明火喷枪热熔粘接;寿命长,仪器检测寿命可达2500小时之久,因仪器检测时间限制,自测已超5000小时。
(3)本产品为纳米合金卷材。通过包覆分散将纳米材料均匀的添加到卷材中。由于纳米粒子的结构特点及小尺寸效应、量子化效应等,提高了卷材的柔性、拉伸强度、光反射性、隔热性等,表现出优良独特的性质。同时,所使用的部分纳米材料在空气净化领域属于光催化材料,可以抑制霉菌的生成,避免霉菌对卷材的热反射效率造成影响。
(4)该产品在利用纳米分散技术改性方面既有创新性,达到国内领先水平。是集防水、反射隔热净化空气自粘为一体的绿色均质卷材。是创新的节能冷屋面卷材。
采用上述技术方案后,本发明聚烯烃纳米合金反射隔热净化空气均质的多功能自粘防水卷具有防水、反射、隔热、净化空气、自粘、耐用性综合性能好,特别是净化空气反射及隔热性,卷材轻便方便施工耐用性能方面能很好地满足现代建筑需要的优点。
具体实施方式
本发明聚烯烃纳米合金反射隔热净化空气均质的多功能自粘防水卷材是卷材底面覆胶覆膜;所述卷材由下列重量配比的主体材料:氯化聚乙烯粉100-110,低密度聚乙烯10-12,聚丙烯2-3,高密聚乙烯2.1-2.3,茂金属聚乙烯2-2.2,三元乙丙橡胶1.5-1.8,聚氨酯0.3-0.5,乙烯-醋酸乙烯共聚物0.2-0.6及适量助剂经制材,底面覆胶覆膜制成;所述制材步骤有混炼、造粒、混合、流延;混炼是氯化聚乙烯粉及低密度聚乙烯和聚丙烯用预热混合机进行混炼,加入均匀混合的助剂中的表面活化改性剂及纳米光触媒进行混炼,加入助剂中除增塑剂以外的其它助剂进行混炼,最后加入助剂中的增塑剂进行混炼;混合是造粒制得的颗粒与高密聚乙烯及茂金属聚乙烯、三元乙丙橡胶、聚氨酯和乙烯-醋酸乙烯共聚物用混合机混合。氯化聚乙烯粉及低密度聚乙烯和聚丙烯混炼后形成与表面活化改性剂及纳米光触媒亲和性好的预混炼物,再与表面活化改性剂及纳米光触媒混炼后形成与助剂中除增塑剂以外的其它助剂易混合的再混炼物,进一步与助剂中除增塑剂以外的其它助剂混炼成均质物进行助剂赋能,均质物再与增塑剂混炼成增塑均质物。混合是增塑均质物造粒制得的颗粒与高密聚乙烯及茂金属聚乙烯、三元乙丙橡胶、聚氨酯和乙烯-醋酸乙烯共聚物用混合机混合能进行很好地高分子赋能改性。总之,使用这些特殊原料,再利用这些特别的制备工艺步骤能够很好地对传统主体材料进行赋能改性增效,从而获得优异的综合性能。其中极性材料使卷材具有高强度胶粘性能。例如,表面光滑反射性能好,伸缩耐受性强、更易于接铺施工、并且耐用,多种结构材料及助剂有序混炼形成多优势综合体,显著降低传热性,增强隔热性,更能很好地与自粘结合,大幅度提高面耐候性能。覆胶的胶是压敏胶黏剂。经检验证明:具有防水、反射、隔热、净化空气、自粘、耐用性综合性能好,特别是反射及隔热性和方便施工耐用性能方面能很好地满足现代建筑需要的优点。
助剂为表面活化改性剂、纳米光触媒、抗氧剂、硬脂酸金属盐、稳定剂、热稳定剂、紫外线吸收剂、光稳定剂、润滑剂、增塑剂。纳米光触媒是纳米TiO2(金红石型)、纳米TiO2(锐钛型)、纳米ZnO、纳米MgO、纳米Al2O3、纳米CaO中的一种或多种。这些助剂功能完备,能在发挥各自作用前提下,更进一步地产生很好地相互间协调作用,从而很好地满足现代建筑需要。硬脂酸金属盐作为加工助剂,显著提高成型加工性能及脱模和防腐性能。
所述制材步骤是混炼、造粒、混合、流延;所述混炼是将氯化聚乙烯粉及低密度聚乙烯、聚丙烯在预热的高速混合机中进行第一次高速搅拌,加入均匀混合的表面活化改性剂及纳米光触媒进行第二次高速搅拌,加入抗氧化剂及硬脂酸金属盐、稳定剂、紫外线吸收剂、光稳定剂、润滑剂进行第三次高速搅拌,最后加入增塑剂进行第四次高速搅拌出料待用;所述混合是造粒制得的颗粒和高密聚乙烯及茂金属聚乙烯、三元乙丙橡胶、聚氨酯、乙烯-醋酸乙烯共聚物用混合机混合。
所述造粒是用预热后的造粒机将上述混炼产物挤出、拉条、切粒;所述流延是用预热的流延机挤出流延,经冷却、测厚、展平后收卷;高速混合机的预热温度为65℃,造粒机的预热温度为175℃-180℃,流延机的预热温度为185℃-195℃。预热温度依次提高,能很好地满足从初混到再混到最终混合的各材料混合温度适应性需要。第四次高速搅拌时间大于第二和三次高速搅拌时间,第二和三次高速搅拌时间大于第一次高速搅拌时间。搅拌时间依次延长,能很好地满足从初混到再混到最终混合的各材料混合时间适应性需要。
所述表面活化改性剂的重量配比为2-3,纳米光触媒的重量配比为1-1.2,抗氧剂为抗氧剂B225和亚磷酸三苯酯,硬脂酸金属盐为硬脂酸锂及硬脂酸锌和硬脂酸钙,稳定剂的重量配比为0.5-0.7,热稳定剂的重量配比为0.5-0.6,紫外线吸收剂为UV-531和UV-9,光稳定剂的重量配比为1-1.1,润滑剂为聚乙烯蜡及氧化聚乙烯蜡、白油和硅酮粉,增塑剂为环氧大豆油和环氧脂肪酸甲酯及硬脂酸丁酯。这种润滑剂的多种配合使用,能显著提高混炼混合的质效。这种增塑剂的多种配合使用,能显著提高长期使用中防龟裂防水耐候耐用性能。
抗氧剂B225的重量配比为1.7-2.0,亚磷酸三苯酯的重量配比为0.5-0.6;环氧大豆油的重量配比为5-6,环氧脂肪酸甲酯的重量配比为2-2.1,硬脂酸丁酯的重量配比为0.5-0.6。这种增塑剂的多种配合使用,能显著提高和保障长期使用中防龟裂防水耐候耐用性能。硬脂酸锂的重量配比为2 -2.15,硬脂酸锌的重量配比为2 -2.12,硬脂酸钙的重量配比为1.5-1.7。表面活化改性剂为铝酸酯,稳定剂为硅酸镁铝和硅酸镁锂中的任意多种,热稳定剂为硫醇二甲基锡,光稳定剂为受阻胺。UV-531的重量配比为0.6-0.8,UV-9的重量配比为0.3-0.5;聚乙烯蜡的重量配比为0.5-0.6,氧化聚乙烯蜡的重量配比为0.5-0.7,白油的重量配比为1-1.2,硅酮粉的重量配比为0.7-0.8。这种润滑剂的多种配伍使用,能显著提高及保障混炼混合的质效。
下面结合具体实例作更进一步说明。
实施例一,本发明聚烯烃纳米合金反射隔热净化空气均质的多功能自粘防水卷材,是卷材底面覆胶覆膜;其特征在于所述卷材由下列重量配比(计量单位为公斤)的主体材料:氯化聚乙烯粉100,低密度聚乙烯10,聚丙烯2,高密聚乙烯2.1,茂金属聚乙烯2,三元乙丙橡胶1.5,聚氨酯0.3,乙烯-醋酸乙烯共聚物0.2及助剂:表面活化改性剂铝酸酯2,纳米光触媒TiO2(金红石型)1,抗氧剂(B225)1.7,抗氧剂亚磷酸三苯酯0.5,硬脂酸锂2,硬脂酸锌2,硬脂酸钙1.5,稳定剂硅酸镁铝(也可以是硅酸镁锂)0.5,热稳定剂硫醇二甲基锡0.5,紫外线吸收剂UV-531:0.6,紫外线吸收剂UV-9:0.3,光稳定剂受阻胺1,润滑剂聚乙烯蜡0.5,润滑剂氧化聚乙烯蜡0.5,润滑剂白油1,润滑剂硅酮粉0.7,增塑剂环氧大豆油5,增塑剂环氧脂肪酸甲酯2,增塑剂硬脂酸丁酯0.5:经制材,底面覆胶覆膜制成。纳米光触媒也可以是除了单独纳米TiO2(金红石型)以外的,单独纳米TiO2(金红石型)、纳米TiO2(锐钛型)、纳米ZnO、纳米MgO、纳米Al2O3、纳米CaO中的一种或多种。并且都能取得好的类似单独纳米TiO2(金红石型)的技术效果。硬脂酸金属盐作为加工助剂,显著提高成型加工性能。具有防水、反射、隔热、净化空气、自粘、耐用性综合性能好,特别是净化空气反射及隔热性,卷材轻便方便施工耐用性能方面能很好地满足现代建筑需要的优点。覆胶的胶是压敏胶黏剂。
所述制材步骤有混炼、造粒、混合、流延;混炼是氯化聚乙烯粉及低密度聚乙烯和聚丙烯用预热混合机进行混炼,加入均匀混合的助剂中的表面活化改性剂及纳米光触媒进行混炼,加入助剂中除增塑剂以外的其它助剂进行混炼,最后加入助剂中的增塑剂进行混炼;混合是造粒制得的颗粒与高密聚乙烯及茂金属聚乙烯、三元乙丙橡胶、聚氨酯和乙烯-醋酸乙烯共聚物用混合机混合。氯化聚乙烯粉及低密度聚乙烯和聚丙烯混炼后形成与表面活化改性剂及纳米光触媒亲和性好的预混炼物,再与表面活化改性剂及纳米光触媒混炼后形成与助剂中除增塑剂以外的其它助剂易混合的再混炼物,进一步与助剂中除增塑剂以外的其它助剂混炼成均质物进行助剂赋能,均质物再与增塑剂混炼成增塑均质物。混合是增塑均质物造粒制得的颗粒与高密聚乙烯及茂金属聚乙烯、三元乙丙橡胶、聚氨酯和乙烯-醋酸乙烯共聚物用混合机混合能进行很好地高分子赋能改性。这些助剂功能完备,能很好地满足现代建筑需要。总之,使用这些特殊原料,再利用这些特别的制备工艺步骤能够很好地对传统主体材料进行赋能改性增效,从而获得优异的综合性能。例如,表面光滑反射性能好,伸缩耐受性强、更易于接铺施工、并且耐用,多种结构材料及助剂有序混炼形成多优势综合体,显著降低传热性,增强隔热性,更能很好地与自粘结合,大幅度提高面耐候性能。具有防水、反射、隔热、净化空气、自粘、耐用性综合性能好,特别是反射及隔热性和方便施工耐用性能方面能很好地满足现代建筑需要的优点。
所述混炼是将氯化聚乙烯粉及低密度聚乙烯、聚丙烯在预热的高速混合机中进行第一次高速搅拌,加入均匀混合的表面活化改性剂及纳米光触媒进行第二次高速搅拌,加入抗氧化剂及硬脂酸金属盐、稳定剂、紫外线吸收剂、光稳定剂、润滑剂进行第三次高速搅拌,最后加入增塑剂进行第四次高速搅拌出料待用。所述流延是用预热的流延机挤出流延,经冷却、测厚、展平后收卷;高速混合机的预热温度为65℃,造粒机的预热温度为175℃-180℃,流延机的预热温度为185℃-195℃。预热温度依次提高,能很好地满足从初混到再混到最终混合的各材料混合温度适应性需要。第四次高速搅拌时间大于第二和三次高速搅拌时间,第二和三次高速搅拌时间大于第一次高速搅拌时间。搅拌时间依次延长,能很好地满足从初混到再混到最终混合的各材料混合时间适应性需要。
更具体是:一,混炼工艺流程:1.预热高速混合机,预热温度65℃。将氯化聚乙烯粉及低密度聚乙烯和聚丙烯加入高速混合机中,高速搅拌1min。2.将由表面活化改性剂铝酸酯均匀分散后的纳米TiO2(金红石型)、纳米TiO2(锐钛型)、纳米ZnO、纳米MgO、纳米、纳米CaO中的一种或多种加入高速混合机中,高速搅拌3min。3.将除增塑剂以外的其余助剂加入高速混合机中,高速搅拌3min。4.将增塑剂加入高速混合机中,高速搅拌5min。5.出料待用。
二,造粒工艺流程:1、预热造粒机1h,使造粒机在1h内依次稳定在:各段温度175℃、178℃、180℃、180℃、180℃、180℃、180℃后。2、将混炼制得的粉料加入进料漏斗。3、运行设备,挤出、拉条。4、切粒。
三,混合工艺流程:1、将制得的颗粒和高密聚乙烯及茂金属聚乙烯、三元乙丙橡胶、聚氨酯和乙烯-醋酸乙烯共聚物颗粒倒入混合机的进料槽。混合5min,出料待用。
四流延工艺流程:1.预热流延机2h,使流延机在2h内依次稳定在:各段温度185℃、188℃、192℃、195℃、195℃、195℃、195℃、195℃、195℃后。2.将混合好的料加入进料口。3.挤出流延,经冷却辊、测厚仪、展平辊后收卷。4.卷材覆胶覆膜。5.成品入库。经检验证明:具有防水、反射、隔热、净化空气、自粘、耐用性综合性能好,特别是反射及隔热性和方便施工耐用性能方面能很好地满足现代建筑需要的优点。
实施例二,本发明聚烯烃纳米合金反射隔热净化空气均质的多功能自粘防水卷材与上述实施例一的区别是:卷材底面覆胶覆膜;其特征在于所述卷材由下列重量配比(计量单位为公斤)的主体材料:氯化聚乙烯粉110,低密度聚乙烯12,聚丙烯3,高密聚乙烯2.3,茂金属聚乙烯2.2,三元乙丙橡胶1.8,聚氨酯0.5,乙烯-醋酸乙烯共聚物0.6及助剂:表面活化改性剂铝酸酯3,纳米光触媒TiO2(金红石型)1.2,抗氧剂(B225)2.0,抗氧剂亚磷酸三苯酯0.6,硬脂酸锂2.15,硬脂酸锌2.12,硬脂酸钙1.7,稳定剂硅酸镁铝(也可以是硅酸镁锂)0.7,热稳定剂硫醇二甲基锡0.6,紫外线吸收剂UV-531:0.8,紫外线吸收剂UV-9:0.5,光稳定剂受阻胺1.1,润滑剂聚乙烯蜡0.6,润滑剂氧化聚乙烯蜡0.7,润滑剂白油1.2,润滑剂硅酮粉0.8,增塑剂环氧大豆油6,增塑剂环氧脂肪酸甲酯2.1,增塑剂硬脂酸丁酯0.6:经制材,底面覆胶覆膜制成。经检验证明:同样具有防水、反射、隔热、净化空气、自粘、耐用性综合性能好,特别是反射及隔热性和方便施工耐用性能方面能很好地满足现代建筑需要的优点。
实施例三,本发明聚烯烃纳米合金反射隔热净化空气均质的多功能自粘防水卷材与上述实施例一的区别是:卷材底面覆胶覆膜;其特征在于所述卷材由下列重量配比(计量单位为公斤)的主体材料:氯化聚乙烯粉105,低密度聚乙烯11,聚丙烯2.5,高密聚乙烯2.2,茂金属聚乙烯2.1,三元乙丙橡胶1.7,聚氨酯0.4,乙烯-醋酸乙烯共聚物0.4及助剂:表面活化改性剂铝酸酯2.5,纳米光触媒TiO2(金红石型)1.1,抗氧剂(B225)1.8,抗氧剂亚磷酸三苯酯0.55,硬脂酸锂2.1,硬脂酸锌2.05,硬脂酸钙1.6,稳定剂硅酸镁铝(也可以是硅酸镁锂)0.6,热稳定剂硫醇二甲基锡0.55,紫外线吸收剂UV-531:0.7,紫外线吸收剂UV-9:0.4,光稳定剂受阻胺1.05,润滑剂聚乙烯蜡0.55,润滑剂氧化聚乙烯蜡0.6,润滑剂白油1.1,润滑剂硅酮粉0.75,增塑剂环氧大豆油5.5,增塑剂环氧脂肪酸甲酯2.05,增塑剂硬脂酸丁酯0.55:经制材,底面覆胶覆膜制成。经检验证明:同样具有防水、反射、隔热、净化空气、自粘、耐用性综合性能好,特别是反射及隔热性和方便施工耐用性能方面能很好地满足现代建筑需要的优点。
产品技术特点:(1)产品选材环保。本产品完全与传统的沥青基防水材料不同,选用的树脂与橡胶都是对环境友好的材料,不会对环境造成污染。助剂也对人体无危害。(2)柔软并可粘接性强。本产品的柔软度较好,可以任意弯折,对于一些不平整的基面,也可以粘合完全。牢固粘合在基面,杜绝了蹿水的可能。(3)成型技术简单。本产品成型技术目前国内属于普遍通用的,主要设备为流延机挤压成型即可,工艺简单,性质稳定。(4)施工方式简便。本产品对施工要求较低,仅需将基面处理洁净,铺粘整齐即可。由于成品卷材具有轻、薄,自粘的特点,避免火枪烤沾合,大大减少了施工复杂性、减少火灾,减少施工难度、减少施工人员的负重。
创新点:(1)该卷材为绿色卷材。卷材的生产改变了目前国内市场上沥青基防水卷材污染严重的现状,所用原料及助剂都是环境友好材料,创造了加工助剂不使用含铅、铬、钡等氧化物,使用含锌、钙、铝等加工助剂的新途径,通过混合、造粒、热熔流延等工艺,生产过程中无废水、废气、废渣排放,不造成环境污染。(2)该卷材为防水卷材。具有优良的防水性能、拉伸性能、抗老、抗紫、抗氧化性能,经国家建筑材料测试中心检验,各项主要物理力学性能指标优于较类似的《热塑性聚烯烃(TPO)防水卷材国家标准(GB27789-2011),例如本产品的热处理尺寸变化率纵横向都为0.46%,而TPO标准要求为≤2%。经国家建筑材料测试中心检验的各项主要物理力学性能指标,请见下表1。
(3)该卷材为隔热卷材,又称“冷屋面”,具有优良的热工性能,能较好的反射太阳光,尤其是近红外光,隔热温差大,称为冷屋面卷材。经国家建筑材料测试中心检验,本产品近红外反射比为85%,太阳光反射比为84%,与改性沥青基防水卷材在彩钢瓦屋面上使用比较,室内的温度降低了12℃,说明在炎热的夏天可以降低室内温度,缓解城市热岛效应,减少空调的使用,是节约能源的绿色建材。国家建筑材料测试中心检验阳光反射隔热温差结果,请见下表2。
冷屋面是根据美国橡树岭国家实验室(NationalOak Ridge Laboratory)给出的概念,冷屋面可避免屋面因太阳暴晒使室内温度升高而增大建筑能耗,可以反射太阳光,把建筑围护结构的温度保持得比较低,从而减少能源的消耗,降低空气污染,降低城市热岛效应,让建筑更节能,让居者更舒适。
(4)该卷材为自粘卷材。与该卷材相配套的压敏胶黏剂,能达到片材之间的自粘、卷材与水泥之间的良好粘接,粘接后的力学性能超过卷材本身。本产品的接缝剥离强度为≥2.5N/mm,国家标准《高分子防水卷材自粘防水卷材(片材)(GB-18173.1-2012)》中对硫化橡胶类、非硫化橡胶类、树脂类片材的要求为≥1.5N/mm。国家建筑材料测试中心检验胶黏剂片材之间的剥离强度结果,请见下表3。
(5)该卷材为纳米合金卷材。通过特殊的包覆分散技术,将纳米材料均匀的添加到卷材中。由于纳米粒子的结构特点及小尺寸效应、量子化效应等,提高了卷材的柔性、拉伸强度、光反射性、隔热性等,表现出优良独特的性质。人工气候加速老化1500h后拉伸强度保持率在96%以上,断裂伸长率保持在92%以上,远远优于《热塑性聚烯烃(TPO)防水卷材国家标准(GB27789-2011)》中两者保持率≥90%的要求。本申请人检验的人工气候老化报告,请见下表4。
(6)该卷材可用于室内外,因添加纳米光触媒,可以有净化室内外空气的作用,去除室内外空气中的甲醛、苯及苯系物,TVOC可挥发性有机物、氨等有害气体。净化效果,请见下表5。
(7)该卷材施工工艺简单。通过压敏胶黏剂,可以实现片材自粘,卷材与水泥基材粘接。(8)聚烯烃纳米合金防水隔热自粘卷材是集防水、反射、隔热、自粘、净化空气、均质多种性能为一体的绿色卷材。
总之,本发明聚烯烃纳米合金反射隔热净化空气均质的多功能自粘防水卷材具有防水、反射、隔热、净化空气、自粘、耐用性综合性能好,特别是净化空气反射及隔热性,卷材轻便方便施工耐用性能方面能很好地满足现代建筑需要的优点。
Claims (10)
1.一种聚烯烃纳米合金反射隔热净化空气均质的多功能自粘防水卷材,是卷材底面覆胶覆膜;其特征在于所述卷材由下列重量配比的主体材料:氯化聚乙烯粉100-110,低密度聚乙烯10-12,聚丙烯2-3,高密聚乙烯2.1-2.3,茂金属聚乙烯2-2.2,三元乙丙橡胶1.5-1.8,聚氨酯0.3-0.5,乙烯-醋酸乙烯共聚物0.2-0.6及适量助剂经制材,底面覆胶覆膜制成;所述制材步骤有混炼、造粒、混合、流延;混炼是氯化聚乙烯粉及低密度聚乙烯和聚丙烯用预热混合机进行混炼,加入均匀混合的助剂中的表面活化改性剂及纳米光触媒进行混炼,加入助剂中除增塑剂以外的其它助剂进行混炼,最后加入助剂中的增塑剂进行混炼;混合是造粒制得的颗粒与高密聚乙烯及茂金属聚乙烯、三元乙丙橡胶、聚氨酯和乙烯-醋酸乙烯共聚物用混合机混合。
2.根据权利要求1所述聚烯烃纳米合金反射隔热净化空气均质的多功能自粘防水卷材,其特征在于助剂为表面活化改性剂、纳米光触媒、抗氧剂、硬脂酸金属盐、稳定剂、热稳定剂、紫外线吸收剂、光稳定剂、润滑剂、增塑剂。
3.根据权利要求1所述聚烯烃纳米合金反射隔热净化空气均质的多功能自粘防水卷材,其特征在于所述制材步骤是混炼、造粒、混合、流延;所述混炼是将氯化聚乙烯粉及低密度聚乙烯、聚丙烯在预热的高速混合机中进行第一次高速搅拌,加入均匀混合的表面活化改性剂及纳米光触媒进行第二次高速搅拌,加入抗氧化剂及硬脂酸金属盐、稳定剂、紫外线吸收剂、光稳定剂、润滑剂进行第三次高速搅拌,最后加入增塑剂进行第四次高速搅拌出料待用;所述混合是造粒制得的颗粒和高密聚乙烯及茂金属聚乙烯、三元乙丙橡胶、聚氨酯、乙烯-醋酸乙烯共聚物用混合机混合。
4.根据权利要求3所述聚烯烃纳米合金反射隔热净化空气均质的多功能自粘防水卷材,其特征在于所述造粒是用预热后的造粒机将上述混炼产物挤出、拉条、切粒;所述流延是用预热的流延机挤出流延,经冷却、测厚、展平后收卷;高速混合机的预热温度为65℃,造粒机的预热温度为175℃-180℃,流延机的预热温度为185℃-195℃。
5.根据权利要求3所述聚烯烃纳米合金反射隔热净化空气均质的多功能自粘防水卷材,其特征在于第四次高速搅拌时间大于第二和三次高速搅拌时间,第二和三次高速搅拌时间大于第一次高速搅拌时间。
6.根据权利要求2所述聚烯烃纳米合金反射隔热净化空气均质的多功能自粘防水卷材,其特征在于所述表面活化改性剂的重量配比为2-3,纳米光触媒的重量配比为1-1.2,抗氧剂为抗氧剂B225和亚磷酸三苯酯,硬脂酸金属盐为硬脂酸锂及硬脂酸锌和硬脂酸钙,稳定剂的重量配比为0.5-0.7,热稳定剂的重量配比为0.5-0.6,紫外线吸收剂为UV-531和UV-9,光稳定剂的重量配比为1-1.1,润滑剂为聚乙烯蜡及氧化聚乙烯蜡、白油和硅酮粉,增塑剂为环氧大豆油和环氧脂肪酸甲酯及硬脂酸丁酯。
7.根据权利要求6所述聚烯烃纳米合金反射隔热净化空气均质的多功能自粘防水卷材,其特征在于抗氧剂B225的重量配比为1.7-2.0,亚磷酸三苯酯的重量配比为0.5-0.6;环氧大豆油的重量配比为5-6,环氧脂肪酸甲酯的重量配比为2-2.1,硬脂酸丁酯的重量配比为0.5-0.6。
8.根据权利要求6所述聚烯烃纳米合金反射隔热净化空气均质的多功能自粘防水卷材,其特征在于硬脂酸锂的重量配比为2 -2.15,硬脂酸锌的重量配比为2 -2.12,硬脂酸钙的重量配比为1.5-1.7。
9.根据权利要求6所述聚烯烃纳米合金反射隔热净化空气均质的多功能自粘防水卷材,其特征在于表面活化改性剂为铝酸酯,稳定剂为硅酸镁铝和硅酸镁锂中的任意多种,热稳定剂为硫醇二甲基锡,光稳定剂为受阻胺。
10.根据权利要求6所述聚烯烃纳米合金反射隔热净化空气均质的多功能自粘防水卷材,其特征在于UV-531的重量配比为0.6-0.8,UV-9的重量配比为0.3-0.5;聚乙烯蜡的重量配比为0.5-0.6,氧化聚乙烯蜡的重量配比为0.5-0.7,白油的重量配比为1-1.2,硅酮粉的重量配比为0.7-0.8。
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