CN103498973B - 一种β晶型铝塑复合聚丁烯管材及其制造方法 - Google Patents
一种β晶型铝塑复合聚丁烯管材及其制造方法 Download PDFInfo
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Abstract
本发明涉及一种β晶型铝塑复合聚丁烯管材及其制造方法。该β晶型铝塑复合聚丁烯管材包括5层共挤结构，外至内为依次为PB层、热熔胶层、铝层、热熔胶层、PB层；该β晶型铝塑复合聚丁烯管材能够有效增强聚丁烯管材的抗老化性、耐寒、耐热、耐压、耐候性、韧性、耐磨性等性能，其综合技术性能和经济指标远远优于其它同类产品，尤其是它卓越的耐热、耐压、耐寒、使用寿命长等性能，产品具有环保卫生、节能降耗及经济等优点。
Description
技术领域
本发明涉及一种塑料管道技术领域的新型高分子材料，尤其是一种β晶型铝塑复合聚丁烯管材及其制造方法。
背景技术
目前，国际上塑料管道技术创新的主要方向是：通过材料改性和加工工艺的技术创新、或使用新材料，制造出比传统塑料管道性能更好，兼有高强度、高韧性、阻燃、绝缘、高耐磨、防结垢、抗老化、耐压安全、卫生环保的管道系统。
发明内容
为了克服现有技术中的不足之处，本发明提供一种β晶型铝塑复合聚丁烯管材及其制造方法，该β晶型铝塑复合聚丁烯管材能够有效增强聚丁烯管材的抗老化性、耐寒、耐热、耐压、耐候性、韧性、耐磨性等性能，其综合技术性能和经济指标远远优于其它同类产品，尤其是它卓越的耐热、耐压、耐寒、使用寿命长等性能，产品具有环保卫生、节能降耗及经济等优点。
本发明解决其技术问题所采用的技术方案是：该β晶型铝塑复合聚丁烯管材包括5层共挤结构，外至内为依次为PB层、热熔胶层、铝层、热熔胶层、PB层；该β晶型铝塑复合聚丁烯管材的PB层配方质量份组成为：聚丁烯（PB）树脂100份，嵌段共聚聚丙烯（PP-B）树脂5-20份，喹吖啶酮醌0.5-1.0份，硅烷偶联剂3-4份，色母2份；该β晶型铝塑复合聚丁烯管材的热熔胶层配方质量份组成为：聚丁烯（PB）树脂100份，嵌段共聚聚丙烯（PP-B）树脂5-20份，喹吖啶酮醌1-3份，硅烷偶联剂3-4份，聚异丁烯4-6份，色母2份；其中，聚丁烯（PB）树脂，为熔体指数（MI）为0.4g/10min(ASTMD-1238，条件E)的PB树脂，是基于聚（1-丁烯）的半结晶性聚烯烃热塑性塑料，包括均聚物和一系列聚（1-丁烯/乙烯）共聚物；喹吖啶酮醌，别名喹啉并[2,3-B]吖啶-6,7,13,14(5H,12H)-四酮，分子式为C20H10N2O4，分子量342.30，属于染料类，是一种促进聚丁烯树脂和聚丙烯树脂形成β六方结晶体的成核剂，提高管材综合性能；硅烷偶联剂，是一类具有特殊结构的低分子有机硅化合物，其通式为RSiX3，式中R代表与聚合物分子有亲和力或反应能力的活性官能团，如氧基、巯基、乙烯基、环氧基、酰胺基、氨丙基等;X代表能够水解的烷氧基，如卤素、烷氧基、酰氧基等，提高配方各组份之间界面粘结能力，与铝层形成化学键，提高各层的结合强度；聚异丁烯，是粘均分子量为85000的中分子量食品级聚异丁烯，是一种增粘剂，加强管材各层之间的粘合能力；色母，可以根据需求添加不同颜色的色母；
该β晶型铝塑复合聚丁烯管材的制造方法为：按照各层配方比例称重后一起加入高速混合机搅拌8-10分钟后加入挤出机共挤，先挤出PB层真空定型，覆盖挤出热熔胶层，制成内管；采用超声波对接焊将铝带焊接为一均匀壁厚的铝管覆盖在内管上，进入共挤模具，覆盖挤出热熔胶层、PB层；真空冷却定型、喷码、切割、检验、包装、入库；其中，挤出温度是：进料段为120-150℃，压缩段为160-180℃，塑化段为180-190℃，均化段为200-210℃，模具温度为190-200℃；冷却水温度15-20℃；冷却定型真空为0.5MPa。
本发明的有益效果是：该β晶型铝塑复合聚丁烯管材能够有效增强聚丁烯管材的抗老化性、耐寒、耐热、耐压、耐候性、韧性、耐磨性等性能，其综合技术性能和经济指标远远优于其它同类产品，尤其是它卓越的耐热、耐压、耐寒、使用寿命长等性能，产品具有环保卫生、节能降耗及经济等优点。
附图说明
下面结合附图和实施例对本发明进一步说明。
图1为一种β晶型铝塑复合聚丁烯管材的结构组成示意图。
图1中，1.PB层，2.热熔胶层，3.铝层。
具体实施方式
在图1中，该β晶型铝塑复合聚丁烯管材，包括5层共挤结构，由外至内为依次为PB层1、热熔胶层2、铝层3、热熔胶层2、PB层1；该β晶型铝塑复合聚丁烯管材的PB层1配方质量份组成为：聚丁烯（PB）树脂100份，嵌段共聚聚丙烯（PP-B）树脂5-20份，喹吖啶酮醌0.5-1.0份，硅烷偶联剂3-4份，色母2份；该β晶型铝塑复合聚丁烯管材的热熔胶层配方质量份组成为：聚丁烯（PB）树脂100份，嵌段共聚聚丙烯（PP-B）树脂5-20份，喹吖啶酮醌1-3份，硅烷偶联剂3-4份，聚异丁烯4-6份，色母2份；其中，聚丁烯（PB）树脂，为熔体指数（MI）为0.4g/10min(ASTMD-1238，条件E)的PB树脂，是基于聚（1-丁烯）的半结晶性聚烯烃热塑性塑料，包括均聚物和一系列聚（1-丁烯/乙烯）共聚物；喹吖啶酮醌，别名喹啉并[2,3-B]吖啶-6,7,13,14(5H,12H)-四酮，分子式为C20H10N2O4，分子量342.30，属于染料类，是一种促进聚丁烯树脂和聚丙烯树脂形成β六方结晶体的成核剂，提高管材综合性能；硅烷偶联剂，是一类具有特殊结构的低分子有机硅化合物，其通式为RSiX3，式中R代表与聚合物分子有亲和力或反应能力的活性官能团，如氧基、巯基、乙烯基、环氧基、酰胺基、氨丙基等;X代表能够水解的烷氧基，如卤素、烷氧基、酰氧基等，提高配方各组份之间界面粘结能力，与铝层形成化学键，提高各层的结合强度；聚异丁烯，是粘均分子量为85000的中分子量食品级聚异丁烯，是一种增粘剂，加强管材各层之间的粘合能力；色母，可以根据需求添加不同颜色的色母；
该β晶型铝塑复合聚丁烯管材的制造方法为：按照各层配方比例称重后一起加入高速混合机搅拌8-10分钟后加入挤出机共挤，先挤出PB层真空定型，覆盖挤出热熔胶层，制成内管；采用超声波对接焊将铝带焊接为一均匀壁厚的铝管覆盖在内管上，进入共挤模具，覆盖挤出热熔胶层、PB层；真空冷却定型、喷码、切割、检验、包装、入库；其中，挤出温度是：进料段为120-150℃，压缩段为160-180℃，塑化段为180-190℃，均化段为200-210℃，模具温度为190-200℃；冷却水温度15-20℃；冷却定型真空为0.5MPa。
Claims (3)
1.一种β晶型铝塑复合聚丁烯管材，其特征在于，该β晶型铝塑复合聚丁烯管材，包括5层共挤结构，由外至内依次为PB层（1）、热熔胶层（2）、铝层（3）、热熔胶层（2）、PB层（1）；其特征是：该β晶型铝塑复合聚丁烯管材的PB层（1）配方质量份组成为：聚丁烯（PB）树脂100份，嵌段共聚聚丙烯（PP-B）树脂5-20份，喹吖啶酮醌0.5-1.0份，硅烷偶联剂3-4份，色母2份；该β晶型铝塑复合聚丁烯管材的热熔胶层（2）配方质量份组成为：聚丁烯（PB）树脂100份，嵌段共聚聚丙烯（PP-B）树脂5-20份，喹吖啶酮醌1-3份，硅烷偶联剂3-4份，聚异丁烯4-6份，色母2份。
2.根据权利要求1所述的一种β晶型铝塑复合聚丁烯管材，其特征是：该β晶型铝塑复合聚丁烯管材的制造方法为：按照各层配方比例称重后一起加入高速混合机搅拌8-10分钟后加入挤出机共挤，先挤出PB层真空定型，覆盖挤出热熔胶层，制成内管；采用超声波对接焊将铝带焊接为一均匀壁厚的铝管覆盖在内管上，进入共挤模具，覆盖挤出热熔胶层、PB层；真空冷却定型、喷码、切割、检验、包装、入库；其中，挤出温度是：进料段为120-150℃，压缩段为160-180℃，塑化段为180-190℃，均化段为200-210℃，模具温度为190-200℃；冷却水温度15-20℃；冷却定型真空为0.5MPa。
3.根据权利要求1所述的一种β晶型铝塑复合聚丁烯管材，其特征是：所述的聚丁烯（PB）树脂，为熔体指数（MI）为0.4g/10min(ASTMD-1238，条件E)的PB树脂，是基于聚（1-丁烯）的半结晶性聚烯烃热塑性塑料，包括均聚物和一系列聚（1-丁烯/乙烯）共聚物；喹吖啶酮醌，别名喹啉并[2,3-B]吖啶-6,7,13,14(5H,12H)-四酮，分子式为C20H10N2O4，分子量342.30，属于染料类，是一种促进聚丁烯树脂和聚丙烯树脂形成β六方结晶体的成核剂，提高管材综合性能；硅烷偶联剂，是一类具有特殊结构的低分子有机硅化合物，其通式为RSiX3，式中R代表与聚合物分子有亲和力或反应能力的活性官能团；X代表能够水解的烷氧基，提高配方各组份之间界面粘结能力，与铝层形成化学键，提高各层的结合强度；聚异丁烯，是粘均分子量为85000的中分子量食品级聚异丁烯，是一种增粘剂，加强管材各层之间的粘合能力；所述色母为根据需求添加的不同颜色的色母。
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