CN106750161A - 一种耐风雨侵蚀的聚氨酯塑胶跑道及其制备方法 - Google Patents

一种耐风雨侵蚀的聚氨酯塑胶跑道及其制备方法 Download PDF

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CN106750161A
CN106750161A CN201611109090.3A CN201611109090A CN106750161A CN 106750161 A CN106750161 A CN 106750161A CN 201611109090 A CN201611109090 A CN 201611109090A CN 106750161 A CN106750161 A CN 106750161A
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汪亚生
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Abstract

一种耐风雨侵蚀的聚氨酯塑胶跑道，其特征在于，其由如下原料制备而成：多聚甲醛、二甲基乙醇胺、甲苯、松香、茶多酚、双氧水、甲酸、磷酸、六氢邻苯二甲酸酐、丙二胺、硫酸溶液、硫酸钡、聚丙烯酸钠、氢氧化铝粉末份、二氧化硅、失水山梨醇单油酸酯、甲基三乙氧基硅烷、钛酸四异丙酯、硬脂酸镁、环氧大豆油、2，4‑二羟基二苯甲酮、3‑氨基‑1,2,4‑三氮唑、聚丙二醇、二苯基甲烷二异氰酸酯、8‑10%NaOH溶液、去离子水。本发明制备的聚氨酯塑胶跑道具有弹性好、耐磨、防滑、色彩美观、场地清洁、易于维护管理、不受气候等条件影响的优异性能。

Description

一种耐风雨侵蚀的聚氨酯塑胶跑道及其制备方法
技术领域
本发明涉及塑胶制备技术领域，具体是一种耐风雨侵蚀的聚氨酯塑胶跑道及其制备方法。
技术背景
聚氨酯全称为聚氨基甲酸酯，是主链上含有重复氨基甲酸酯基团的大分子化合物的统称。聚氨酯具有卓越的耐磨性、高强度、高伸长率、高弹性、耐油、耐射线辐射等优异性能。聚氨酯应用于铺地材料具有平整度好、抗压强度高、硬度弹性适当、物理性能稳定的特性，并且具有一定的弹性和色彩，具有一定的抗紫外线能力和耐老化能力。
传统的聚氨酯铺地材料产品都是甲苯二异氰酸酯(TDI)型的，由于TDI聚氨酯跑道内含有的重金属物质，会在使用过程中氧化污染环境。另外，TDI聚氨酯组分中还含有多种催化剂(含铅、汞、锡)、二元胺类扩链剂、有机分子增塑剂、溶剂、橡胶配合剂和双苯溶剂等有毒有害化学物质，对人体以及均环境造成不良影响。而环保型二苯甲烷二异氰酸酯(MDI)具有毒性小、对人体健康危害小、对环境的影响较小等优点，更符合当前环保的需要。
作者孙青峰等人在《MDI型双组分聚氨酯塑胶跑道浆料的研制》一文中，以聚醚多元醇、扩链剂、异氰酸酯、增塑剂、填料等为原材料,制备了MDI型双组分聚氨酯塑胶跑道用浆料。研究了各种因素对聚氨酯塑胶跑道制品机械性能的影响。研究表明该MDI型塑胶跑道与传统的TDI聚氨酯塑胶跑道相比,气味小,符合环保要求,而且综合性能优越。
发明内容
本发明的目的在于提供一种符合环保要求且综合性能优越的耐风雨侵蚀的聚氨酯塑胶跑道及其制备方法。
为了实现本发明的目的，本发明通过以下方案实施：
一种耐风雨侵蚀的聚氨酯塑胶跑道，其特征在于，其由如下重量份的原料制备而成：多聚甲醛100份、二甲基乙醇胺15-20份、甲苯200-250份、松香15-20份、茶多酚10-12份、双氧水30-40份、甲酸12-15份、磷酸10-12份、六氢邻苯二甲酸酐6-8份、丙二胺5-6份、硫酸溶液80-100份、硫酸钡15-20份、聚丙烯酸钠5-6份、氢氧化铝粉末10-12份、二氧化硅15-20份、失水山梨醇单油酸酯6-8份、甲基三乙氧基硅烷6-8份、钛酸四异丙酯5-6份、硬脂酸镁5-6份、环氧大豆油3-4份、2，4-二羟基二苯甲酮5-6份、3-氨基-1,2,4-三氮唑3-4份、聚丙二醇6-8份、二苯基甲烷二异氰酸酯140-150份、8-10%NaOH溶液适量、去离子水适量。
所述的耐风雨侵蚀的聚氨酯塑胶跑道，其特征在于，其由如下步骤制备而成：
（1）将二甲基乙醇胺和甲苯加入到反应容器中，开始搅拌，在搅拌作用下每隔0.5h，将多聚甲醛分4次投入到反应容器中，多聚甲醛投入完毕后，升温至70-80℃，继续恒温搅拌反应3-4h，加入松香和茶多酚，升温至90-100℃，继续恒温搅拌反应5-6h，通氮气，然后抽真空脱水1-2h，脱水后于0.4-0.5MPa压力下，降低温度至40℃，滴加双氧水、甲酸和磷酸，搅拌10-20min，50-60℃反应3-5h，再加入六氢邻苯二甲酸酐和丙二胺，升高温度至70-75℃，反应8-10h，加入8-10%的NaOH溶液至PH为7，减压蒸馏，得到多元醇类物质；
（2）将硫酸溶液持缓慢加入到硫化钡中，加入完毕后，加入聚丙烯酸钠，在60-80℃下充分搅拌30-40min，过滤除去滤液，将滤饼进行水洗2-3次，加入相当于滤饼重量份4-5倍去离子水、氢氧化铝粉末、二氧化硅、失水山梨醇单油酸酯、甲基三乙氧基硅烷，在2000-2500转/min的转速下搅拌分散30-40min，再加入钛酸四异丙酯和硬脂酸镁，充分搅拌，加热至温度为70-80℃，球磨2-3h，烘干，研磨，筛分得细度为2-4μm的粉末；；
（3）在搅拌杯子中加入环氧大豆油、2，4-二羟基二苯甲酮、3-氨基-1,2,4-三氮唑、步骤（2）的产物、聚丙二醇、多元醇类物质和相当于多元醇类物质重量份二十分之一的去离子水，强力搅5-10min，然后加入二苯基甲烷二异氰酸酯，强力搅拌10-20s，快速倒入模具中，加热到40-50℃，固化20-30h。
所述的耐风雨侵蚀的聚氨酯塑胶跑道，其特征在于，所述硫酸溶液的浓度为1-2mol/L。
本发明的有益效果：本发明加入硫化钡、氢氧化铝、二氧化钛填充，并利用聚丙烯酸钠和甲基三乙氧基硅烷包覆处理，可以提高表面附着力，分散在聚氨酯基体中，可以提高木塑板材的耐腐蚀性能，耐风雨侵蚀能力；本发明以相对便宜的多聚甲醛、二甲基乙醇胺及松香为原料，松香是一类重要的可再生植物资源，属于天然树脂酸，再加入六氢邻苯二甲酸酐和丙二胺，进行交联扩链，制备得到多元醇类物质，既可以作为聚氨酯塑胶跑道的一个合算的原料，对环境友好并节省成本；也可以制备交联度高，高分子量的聚氨酯泡沫，增加聚氨酯塑胶跑道的弹性和耐磨性能；本发明制备的聚氨酯塑胶跑道具有弹性好、耐磨、防滑、色彩美观、场地清洁、易于维护管理、不受气候等条件影响的优异性能。
具体实施方式
本实施例的耐风雨侵蚀的聚氨酯塑胶跑道，其由如下重量份的原料制备而成：多聚甲醛100份、二甲基乙醇胺20份、甲苯250份、松香20份、茶多酚12份、双氧水40份、甲酸15份、磷酸12份、六氢邻苯二甲酸酐8份、丙二胺6份、硫酸溶液100份、硫酸钡20份、聚丙烯酸钠6份、氢氧化铝粉末10份、二氧化硅15份、失水山梨醇单油酸酯8份、甲基三乙氧基硅烷8份、钛酸四异丙酯6份、硬脂酸镁6份、环氧大豆油4份、2，4-二羟基二苯甲酮6份、3-氨基-1,2,4-三氮唑4份、聚丙二醇8份、二苯基甲烷二异氰酸酯150份、10%NaOH溶液适量、去离子水适量。
本实施例的耐风雨侵蚀的聚氨酯塑胶跑道，其由如下步骤制备而成：
（1）将二甲基乙醇胺和甲苯加入到反应容器中，开始搅拌，在搅拌作用下每隔0.5h，将多聚甲醛分4次投入到反应容器中，多聚甲醛投入完毕后，升温至80℃，继续恒温搅拌反应4h，加入松香和茶多酚，升温至100℃，继续恒温搅拌反应6h，通氮气，然后抽真空脱水2h，脱水后于0.5MPa压力下，降低温度至40℃，滴加双氧水、甲酸和磷酸，搅拌20min，60℃反应5h，再加入六氢邻苯二甲酸酐和丙二胺，升高温度至75℃，反应10h，加入10%的NaOH溶液至PH为7，减压蒸馏，得到多元醇类物质；
（2）将硫酸溶液持缓慢加入到硫化钡中，加入完毕后，加入聚丙烯酸钠，在80℃下充分搅拌40min，过滤除去滤液，将滤饼进行水洗3次，加入相当于滤饼重量份5倍去离子水、氢氧化铝粉末、二氧化硅、失水山梨醇单油酸酯、甲基三乙氧基硅烷，在2500转/min的转速下搅拌分散40min，再加入钛酸四异丙酯和硬脂酸镁，充分搅拌，加热至温度为80℃，球磨3h，烘干，研磨，筛分得细度为2-4μm的粉末；；
（3）在搅拌杯子中加入环氧大豆油、2，4-二羟基二苯甲酮、3-氨基-1,2,4-三氮唑、步骤（2）的产物、聚丙二醇、多元醇类物质和相当于多元醇类物质重量份二十分之一的去离子水，强力搅10min，然后加入二苯基甲烷二异氰酸酯，强力搅拌20s，快速倒入模具中，加热到50℃，固化30h。
本实施例制备的聚氨酯塑胶的性能为：无刺激性气味；邵A硬度在50-70HA范围；拉伸强度大于5.0Mpa；撕裂强度大于25kN·m-1；伸长率大于300%。

Claims (3)

1.一种耐风雨侵蚀的聚氨酯塑胶跑道，其特征在于，其由如下重量份的原料制备而成：多聚甲醛100份、二甲基乙醇胺15-20份、甲苯200-250份、松香15-20份、茶多酚10-12份、双氧水30-40份、甲酸12-15份、磷酸10-12份、六氢邻苯二甲酸酐6-8份、丙二胺5-6份、硫酸溶液80-100份、硫酸钡15-20份、聚丙烯酸钠5-6份、氢氧化铝粉末10-12份、二氧化硅15-20份、失水山梨醇单油酸酯6-8份、甲基三乙氧基硅烷6-8份、钛酸四异丙酯5-6份、硬脂酸镁5-6份、环氧大豆油3-4份、2，4-二羟基二苯甲酮5-6份、3-氨基-1,2,4-三氮唑3-4份、聚丙二醇6-8份、二苯基甲烷二异氰酸酯140-150份、8-10%NaOH溶液适量、去离子水适量。
2.根据权利要求1所述的耐风雨侵蚀的聚氨酯塑胶跑道，其特征在于，其由如下步骤制备而成：
（1）将二甲基乙醇胺和甲苯加入到反应容器中，开始搅拌，在搅拌作用下每隔0.5h，将多聚甲醛分4次投入到反应容器中，多聚甲醛投入完毕后，升温至70-80℃，继续恒温搅拌反应3-4h，加入松香和茶多酚，升温至90-100℃，继续恒温搅拌反应5-6h，通氮气，然后抽真空脱水1-2h，脱水后于0.4-0.5MPa压力下，降低温度至40℃，滴加双氧水、甲酸和磷酸，搅拌10-20min，50-60℃反应3-5h，再加入六氢邻苯二甲酸酐和丙二胺，升高温度至70-75℃，反应8-10h，加入8-10%的NaOH溶液至PH为7，减压蒸馏，得到多元醇类物质；
（2）将硫酸溶液持缓慢加入到硫化钡中，加入完毕后，加入聚丙烯酸钠，在60-80℃下充分搅拌30-40min，过滤除去滤液，将滤饼进行水洗2-3次，加入相当于滤饼重量份4-5倍去离子水、氢氧化铝粉末、二氧化硅、失水山梨醇单油酸酯、甲基三乙氧基硅烷，在2000-2500转/min的转速下搅拌分散30-40min，再加入钛酸四异丙酯和硬脂酸镁，充分搅拌，加热至温度为70-80℃，球磨2-3h，烘干，研磨，筛分得细度为2-4μm的粉末；；
（3）在搅拌杯子中加入环氧大豆油、2，4-二羟基二苯甲酮、3-氨基-1,2,4-三氮唑、步骤（2）的产物、聚丙二醇、多元醇类物质和相当于多元醇类物质重量份二十分之一的去离子水，强力搅5-10min，然后加入二苯基甲烷二异氰酸酯，强力搅拌10-20s，快速倒入模具中，加热到40-50℃，固化20-30h。
3.根据权利要求1、2所述的耐风雨侵蚀的聚氨酯塑胶跑道，其特征在于，所述硫酸溶液的浓度为1-2mol/L。
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