CN109608789A - 一种高韧性pvc发泡板及其制备方法 - Google Patents

一种高韧性pvc发泡板及其制备方法 Download PDF

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CN109608789A
CN109608789A CN201811560005.4A CN201811560005A CN109608789A CN 109608789 A CN109608789 A CN 109608789A CN 201811560005 A CN201811560005 A CN 201811560005A CN 109608789 A CN109608789 A CN 109608789A
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朱兰明
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Gaomi Vast Wood Mstar Technology Ltd
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Abstract

本发明公开了一种高韧性PVC发泡板及其制备方法，它属于PVC发泡板生产技术领域，所述高韧性PVC发泡板，由以下重量份的原料制备而成：平均聚合度800‑1000的PVC 100份、发泡调节剂2‑6份、发泡剂0.4‑0.7份、氯丁橡胶5‑8份、丁腈橡胶8‑12份、环氧大豆油15‑20份、偏苯三酸三辛酯15‑20份、抗UV剂0.1‑0.3份、木质化植物纤维40‑50份、叶腊石粉3‑6份、轻质碳酸钙20‑25份、氧化聚乙烯蜡1‑3份、马来酸二丁基锡2‑5份。通过在PVC发泡板生产配方中加入氯丁橡胶、丁腈橡胶与木质化植物纤维等材料，提高了PVC发泡板的韧性，同时具有较好的强度。

Description

一种高韧性PVC发泡板及其制备方法
技术领域
本发明涉及PVC发泡板生产技术领域，具体涉及一种高韧性PVC发泡板及其制备方法。
背景技术
目前PVC产业在全世界发展迅速，前景广阔，各国都看好PVC的潜力以及其对生态环境的好处，PVC正以其优越、独特的性能向世人证明其作用和地位是目前任何其它产品都无法取代的。PVC发泡板是一种绿色环保的新型材料，具有质轻、难燃、耐酸碱、防潮、防水、保温、隔音、减震等特性，PVC发泡板用途非常广泛，广泛应用于船舶、列车制造、家具制作、装饰装修、广告业的丝印、制作等，且因其价格相对低、性能优越，日益受到大众欢迎。但是目前PVC发泡板存在韧性不够的问题，容易发生脆性断裂，这在很大程度上限制了其应用。因此，需要提高PVC发泡板的柔韧性来适应市场的需求。
发明内容
对于上述技术问题，本发明提供一种高韧性PVC发泡板及其制备方法，通过在PVC发泡板生产配方中加入氯丁橡胶、丁腈橡胶与木质化植物纤维等材料，提高了PVC发泡板的韧性，同时具有较好的强度。
为了实现上述目的，本发明采用的技术方案如下：
一种高韧性PVC发泡板，由以下重量份的原料制备而成：平均聚合度800-1000的PVC 100份、发泡调节剂2-6份、发泡剂0.4-0.7份、氯丁橡胶5-8份、丁腈橡胶8-12份、环氧大豆油15-20份、偏苯三酸三辛酯15-20份、抗UV剂0.1-0.3份、木质化植物纤维40-50份、叶腊石粉3-6份、轻质碳酸钙20-25份、氧化聚乙烯蜡1-3份、马来酸二丁基锡2-5份。
优选的，上述高韧性PVC发泡板，由以下重量份的原料制备而成：平均聚合度800-1000的PVC 100份、发泡调节剂4份、发泡剂0.6份、氯丁橡胶7份、丁腈橡胶10份、环氧大豆油17份、偏苯三酸三辛酯17份、抗UV剂0.2份、木质化植物纤维45份、叶腊石粉4.5份、轻质碳酸钙22份、氧化聚乙烯蜡2份、马来酸二丁基锡3份。
优选的，所述发泡剂为AC发泡剂。
优选的，所述发泡调节剂为丙烯酸酯类发泡调节剂。
优选的，所述丙烯酸酯类发泡调节剂是由以下重量份数的原料经乳液聚合反应制备而成：甲基丙烯酸甲酯70份、丙烯酸丁酯26份、焦磷酸钠1.4份、十二烷基硫酸钠2份、过硫酸钾1.5份、水200份。
优选的，所述抗UV剂为UV234。
优选的，所述木质化植物纤维为以下的任意一种或几种：木粉、棉杆粉或稻糠。
本发明还提供一种高韧性PVC发泡板的制备方法，包括以下步骤：
(1)称量：按照上述重量份称取各种原料；
(2)将PVC粉、木质化植物纤维、叶腊石粉、轻质碳酸钙、马来酸二丁基锡放入高速搅拌机中均匀混合，直至固体颗粒混合均匀后，加入发泡调节剂、发泡剂、氯丁橡胶、丁腈橡胶、环氧大豆油、偏苯三酸三辛酯、抗UV剂及氧化聚乙烯蜡，直至混合均匀；
(3)将混合均匀的混合物加入双辊混炼机进行开炼，加工温度为130-140℃，直至成膜表面光滑且无龟裂；
(4)将开炼过的混合物置于平板硫化仪中加压成型，压力为4-9MPa，加工温度为135-150℃；
(5)按照需求裁切成所需的尺寸，之后将其置于室温下冷却定型24-72h，即得到最终产品。
本发明采用的丙烯酸酯类发泡调节剂是由甲基丙烯酸甲酯与丙烯酸丁酯双元聚合制备而成，聚合温度在55-60℃，由引发剂引发进行乳液聚合反应，产品的粘度可以达到12-13，该丙烯酸酯类发泡调节剂具有良好的粉体流动性，可制得泡孔均匀的PVC发泡板制品。
本发明的有益效果表现在：
丁腈橡胶的加入，可以增加PVC树脂的韧性，氯丁橡胶加入则能在一定程度上提高材料的强度，二者的共同使用能提高PVC发泡板的力学性能；此外，植物纤维，使得制得的PVC发泡板具有纤维的轻便和韧性，偏苯三酸三辛酯及环氧大豆油作为增塑剂，可以使PVC发泡板的韧性增强，便于加工；抗UV剂的加入提升了PVC发泡板的耐老化性能。
具体实施方式
为了便于本领域技术人员理解，下面结合具体实施例对本发明作进一步的说明：
实施例1：
一种高韧性PVC发泡板，由以下重量份的原料制备而成：平均聚合度800-1000的PVC 100份、发泡调节剂4份、发泡剂0.6份、氯丁橡胶7份、丁腈橡胶10份、环氧大豆油17份、偏苯三酸三辛酯17份、抗UV剂0.2份、木质化植物纤维45份、叶腊石粉4.5份、轻质碳酸钙22份、氧化聚乙烯蜡2份、马来酸二丁基锡3份。
所述发泡剂为AC发泡剂。所述发泡调节剂为丙烯酸酯类发泡调节剂。所述丙烯酸酯类发泡调节剂是由以下重量份数的原料经乳液聚合反应制备而成：甲基丙烯酸甲酯70份、丙烯酸丁酯26份、焦磷酸钠1.4份、十二烷基硫酸钠2份、过硫酸钾1.5份、水200份。
所述抗UV剂为UV234。所述木质化植物纤维为以下的任意一种或几种：木粉、棉杆粉或稻糠。
上述高韧性PVC发泡板的制备方法，包括以下步骤：
(1)称量：按照上述重量份称取各种原料；
(2)将PVC粉、木质化植物纤维、叶腊石粉、轻质碳酸钙、马来酸二丁基锡放入高速搅拌机中均匀混合，直至固体颗粒混合均匀后，加入发泡调节剂、发泡剂、氯丁橡胶、丁腈橡胶、环氧大豆油、偏苯三酸三辛酯、抗UV剂及氧化聚乙烯蜡，直至混合均匀；
(3)将混合均匀的混合物加入双辊混炼机进行开炼，加工温度为130-140℃，直至成膜表面光滑且无龟裂；
(4)将开炼过的混合物置于平板硫化仪中加压成型，压力为4-9MPa，加工温度为135-150℃；
(5)按照需求裁切成所需的尺寸，之后将其置于室温下冷却定型24-72h，即得到最终产品。
实施例2：
一种高韧性PVC发泡板，由以下重量份的原料制备而成：平均聚合度800-1000的PVC 100份、发泡调节剂2份、发泡剂0.4份、氯丁橡胶5份、丁腈橡胶8份、环氧大豆油15份、偏苯三酸三辛酯15份、抗UV剂0.1份、木质化植物纤维40份、叶腊石粉3份、轻质碳酸钙20份、氧化聚乙烯蜡1份、马来酸二丁基锡2份。
所述发泡剂为AC发泡剂。所述发泡调节剂为丙烯酸酯类发泡调节剂。所述丙烯酸酯类发泡调节剂是由以下重量份数的原料经乳液聚合反应制备而成：甲基丙烯酸甲酯70份、丙烯酸丁酯26份、焦磷酸钠1.4份、十二烷基硫酸钠2份、过硫酸钾1.5份、水200份。
所述抗UV剂为UV234。所述木质化植物纤维为以下的任意一种或几种：木粉、棉杆粉或稻糠。
上述高韧性PVC发泡板的制备方法，包括以下步骤：
(1)称量：按照上述重量份称取各种原料；
(2)将PVC粉、木质化植物纤维、叶腊石粉、轻质碳酸钙、马来酸二丁基锡放入高速搅拌机中均匀混合，直至固体颗粒混合均匀后，加入发泡调节剂、发泡剂、氯丁橡胶、丁腈橡胶、环氧大豆油、偏苯三酸三辛酯、抗UV剂及氧化聚乙烯蜡，直至混合均匀；
(3)将混合均匀的混合物加入双辊混炼机进行开炼，加工温度为130-140℃，直至成膜表面光滑且无龟裂；
(4)将开炼过的混合物置于平板硫化仪中加压成型，压力为4-9MPa，加工温度为135-150℃；
(5)按照需求裁切成所需的尺寸，之后将其置于室温下冷却定型24-72h，即得到最终产品。
实施例3：
一种高韧性PVC发泡板，由以下重量份的原料制备而成：平均聚合度800-1000的PVC 100份、发泡调节剂6份、发泡剂0.7份、氯丁橡胶8份、丁腈橡胶12份、环氧大豆油20份、偏苯三酸三辛酯20份、抗UV剂0.3份、木质化植物纤维50份、叶腊石粉6份、轻质碳酸钙25份、氧化聚乙烯蜡3份、马来酸二丁基锡5份。
所述发泡剂为AC发泡剂。所述发泡调节剂为丙烯酸酯类发泡调节剂。所述丙烯酸酯类发泡调节剂是由以下重量份数的原料经乳液聚合反应制备而成：甲基丙烯酸甲酯70份、丙烯酸丁酯26份、焦磷酸钠1.4份、十二烷基硫酸钠2份、过硫酸钾1.5份、水200份。
所述抗UV剂为UV234。所述木质化植物纤维为以下的任意一种或几种：木粉、棉杆粉或稻糠。
上述高韧性PVC发泡板的制备方法，包括以下步骤：
(1)称量：按照上述重量份称取各种原料；
(2)将PVC粉、木质化植物纤维、叶腊石粉、轻质碳酸钙、马来酸二丁基锡放入高速搅拌机中均匀混合，直至固体颗粒混合均匀后，加入发泡调节剂、发泡剂、氯丁橡胶、丁腈橡胶、环氧大豆油、偏苯三酸三辛酯、抗UV剂及氧化聚乙烯蜡，直至混合均匀；
(3)将混合均匀的混合物加入双辊混炼机进行开炼，加工温度为130-140℃，直至成膜表面光滑且无龟裂；
(4)将开炼过的混合物置于平板硫化仪中加压成型，压力为4-9MPa，加工温度为135-150℃；
(5)按照需求裁切成所需的尺寸，之后将其置于室温下冷却定型24-72h，即得到最终产品。
以上内容仅仅是对本发明的结构所作的举例和说明，所属本技术领域的技术人员对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，只要不偏离发明的结构或者超越本权利要求书所定义的范围，均应属于本发明的保护范围。

Claims (8)

1.一种高韧性PVC发泡板，其特征在于，由以下重量份的原料制备而成：平均聚合度800-1000的PVC 100份、发泡调节剂2-6份、发泡剂0.4-0.7份、氯丁橡胶5-8份、丁腈橡胶8-12份、环氧大豆油15-20份、偏苯三酸三辛酯15-20份、抗UV剂0.1-0.3份、木质化植物纤维40-50份、叶腊石粉3-6份、轻质碳酸钙20-25份、氧化聚乙烯蜡1-3份、马来酸二丁基锡2-5份。
2.根据权利要求1所述的一种高韧性PVC发泡板，其特征在于，由以下重量份的原料制备而成：平均聚合度800-1000的PVC 100份、发泡调节剂4份、发泡剂0.6份、氯丁橡胶7份、丁腈橡胶10份、环氧大豆油17份、偏苯三酸三辛酯17份、抗UV剂0.2份、木质化植物纤维45份、叶腊石粉4.5份、轻质碳酸钙22份、氧化聚乙烯蜡2份、马来酸二丁基锡3份。
3.根据权利要求1所述的一种高韧性PVC发泡板，其特征在于，所述发泡剂为AC发泡剂。
4.根据权利要求1所述的一种高韧性PVC发泡板，其特征在于，所述发泡调节剂为丙烯酸酯类发泡调节剂。
5.根据权利要求4所述的一种高韧性PVC发泡板，其特征在于，所述丙烯酸酯类发泡调节剂是由以下重量份数的原料经乳液聚合反应制备而成：甲基丙烯酸甲酯70份、丙烯酸丁酯26份、焦磷酸钠1.4份、十二烷基硫酸钠2份、过硫酸钾1.5份、水200份。
6.根据权利要求1所述的一种高韧性PVC发泡板，其特征在于，所述抗UV剂为UV234。
7.根据权利要求1所述的一种高韧性PVC发泡板，其特征在于，所述木质化植物纤维为以下的任意一种或几种：木粉、棉杆粉或稻糠。
8.权利要求1-7任意一项所述的一种高韧性PVC发泡板的制备方法，其特征在于，包括以下步骤：
(1)称量：按照上述重量份称取各种原料；
(2)将PVC粉、木质化植物纤维、叶腊石粉、轻质碳酸钙、马来酸二丁基锡放入高速搅拌机中均匀混合，直至固体颗粒混合均匀后，加入发泡调节剂、发泡剂、氯丁橡胶、丁腈橡胶、环氧大豆油、偏苯三酸三辛酯、抗UV剂及氧化聚乙烯蜡，直至混合均匀；
(3)将混合均匀的混合物加入双辊混炼机进行开炼，加工温度为130-140℃，直至成膜表面光滑且无龟裂；
(4)将开炼过的混合物置于平板硫化仪中加压成型，压力为4-9MPa，加工温度为135-150℃；
(5)按照需求裁切成所需的尺寸，之后将其置于室温下冷却定型24-72h，即得到最终产品。
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