CN113402759A - 一种地下通信塑料管及其生产工艺 - Google Patents
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Abstract
本发明公开一种地下通信塑料管及其生产工艺，第一步、按重量份称取ABS树脂、高碳钢粉、硅微粉和无卤阻燃剂KSS，混合均匀后加入单螺杆挤压成形机，后经牵引拉出、水冷却后制得塑料管材，切割成型，制得塑料管基体；第二步、将塑料管基体处理后置于处理液中，静置10s后取出吹干，置于UV灯下5mi n，之后进行喷镀银处理，制得地下通信塑料管；中间体4上具有含氮官能团和巯基官能团，浸泡过程中含氮官能团与ABS塑料上的碳氢键发生反应，进而在ABS塑料上接枝中间体4，之后进行镀银处理，中间体4上的巯基能够与银离子结合，能够迅速在塑料表面进行镀银钝化处理，提高通信塑料管在地下使用时的抗腐蚀性能。
Description
技术领域
本发明属于塑料管制备技术领域，具体为一种地下通信塑料管及其生产工艺。
背景技术
在当前新城建设和老城改造的大环境下，地下通信管道的铺设也在大量的进行，该类型管道往往用于路基下保护线缆，产品包括4孔，5孔和6孔，产品多呈黑色，阻燃，强度达到钢管的强度。地下管道铺设对管道本身的力学性能有较高的要求，需要进行多项指标测试，例如拉伸强度，复原率，管材刚度，扁平实验等等。
申请号为201510859922.2的中国专利公开了一种增强型聚乙烯复合管道，其通过由外至内的碳钢层，高密度聚乙烯层和超高分子量聚乙烯层三层复合结构实现管道的耐磨，耐冲击，耐腐蚀。这种结构形式的复合管道仅仅是对结构进行了改变，管道在地下长久使用后会受到腐蚀等侵害，造成表皮脱落等现象。
发明内容
为了克服上述的技术问题，本发明提供一种地下通信塑料管及其生产工艺。
本发明的目的可以通过以下技术方案实现：
一种地下通信塑料管，包括如下重量份原料：55-70份ABS树脂，1-5份高碳钢粉，4-15份硅微粉，1-3份无卤阻燃剂，30-50份处理液；
所述处理液包括如下步骤制成：
步骤S1、将尿素、去离子水和碳酸氢二钠混合均匀，45-60℃匀速搅拌直至溶解，之后升温至150-160℃，保温并反应2h，反应结束后将反应产物置于水中静置12h，滤出粗品，重结晶，制得中间体1；
步骤S1中尿素在150-160℃下反应生成中间体1，反应过程中两个尿素分子反应生成中间体a，反应过程如下所示：
之后中间体a再和一个尿素分子反应，生成中间体1，反应过程如下所示：
步骤S2、将制得的中间体1加入二苯醚中，升温至100-150℃，匀速搅拌并加入五氯化磷，保温并反应4h，制得中间体2；
步骤S2中将中间体1与五氯化磷混合反应，生成中间体2，反应过程如下所示：
步骤S3、将中间体2、3-氨丙基三乙氧基硅烷和四氢呋喃加入反应釜中，通入氮气进行保护，在转速为200-300r/min，温度为0-5℃的条件下，匀速搅拌并反应5h，制得中间体3，之后加入硫氢化钠，匀速搅拌并反应4h，制得中间体4；
步骤S3中将中间体2和3-氨丙基三乙氧基硅烷在有机溶剂中混合，中间体2和3-氨丙基三乙氧基硅烷反应生成中间体3，反应过程如下所示：
之后中间体3与硫氢化钠反应生成中间体4，反应过程如下所示：
步骤S4、将中间体4加入去离子水中，配置成浓度为1g/L的溶液b，加入稀硫酸，匀速搅拌30min后制得处理液，去离子水和稀硫酸的重量比为10∶1。
进一步地，步骤S1中控制尿素、去离子水和碳酸氢二钠的重量比为1∶10∶0.05，步骤S2中中间体1和五氯化磷的摩尔比为1∶3，步骤S3中中间体2和3-氨丙基三乙氧基硅烷的摩尔比为1∶1，中间体3和硫氢化钠的摩尔比为1∶2。
进一步地，所述高碳钢粉中碳含量大于等于0.6％。
进一步地，所述硅微粉的目数大于1000目，SiO2含量大于等于99.5％。
一种地下通信塑料管的生产工艺，包括如下步骤：
第一步、按重量份称取ABS树脂、高碳钢粉、硅微粉和无卤阻燃剂，混合均匀后加入单螺杆挤压成形机，成形温度控制在160-300℃，后经牵引拉出、水冷却后制得塑料管材，切割成型，制得塑料管基体；
第二步、将塑料管基体处理后置于处理液中，静置10s后取出吹干，置于UV灯下5min，之后进行喷镀银处理，制得地下通信塑料管。
本发明在制备过程中先将原料混合挤出，制备出塑料管基体，之后将塑料管基体浸泡在处理液中，处理液由中间体4、去离子水和稀硫酸配置而成，稀硫酸营造出酸性条件，中间体4上具有含氮官能团和巯基官能团，浸泡过程中含氮官能团与ABS塑料上的碳氢键发生反应，进而在ABS塑料上接枝中间体4，之后进行镀银处理，中间体4上的巯基能够与银离子结合，能够迅速在塑料表面进行镀银钝化处理，提高通信塑料管在地下使用时的抗腐蚀性能。
进一步地，塑料管基体处理的具体步骤为先将塑料管基体用去离子水清洗10min，之后用无水乙醇超声清洗10min，吹干。
本发明的有益效果：
本发明一种地下通信塑料管在制备过程中先将原料混合挤出，制备出塑料管基体，之后将塑料管基体浸泡在处理液中，处理液由中间体4、去离子水和稀硫酸配置而成，稀硫酸营造出酸性条件，中间体4在制备过程中步骤S1中尿素在150-160℃下分两步反应生成中间体1，步骤S2中将中间体1与五氯化磷混合反应，生成中间体2，步骤S3中中间体2和3-氨丙基三乙氧基硅烷反应生成中间体3，之后中间体3与硫氢化钠反应生成中间体4，中间体4上具有含氮官能团和巯基官能团，浸泡过程中含氮官能团与ABS塑料上的碳氢键发生反应，进而在ABS塑料上接枝中间体4，之后进行镀银处理，中间体4上的巯基能够与银离子结合，能够迅速在塑料表面进行镀银钝化处理，使得基体和镀层之间通过化学键结合，结合的更加紧密，使得镀层更不易脱落，进而提高通信塑料管在地下使用时的抗腐蚀性能。
具体实施方式
下面将结合本发明实施例，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。
实施例1
一种地下通信塑料管，包括如下重量份原料：55份ABS树脂，1份高碳钢粉，4份硅微粉，1份无卤阻燃剂KSS，30份处理液；
第一步、按重量份称取ABS树脂、高碳钢粉、硅微粉和无卤阻燃剂KSS，混合均匀后加入单螺杆挤压成形机，成形温度控制在160℃，后经牵引拉出、水冷却后制得塑料管材，切割成型，制得塑料管基体；
第二步、将塑料管基体处理后置于处理液中，静置10s后取出吹干，置于UV灯下5min，之后进行喷镀银处理，制得地下通信塑料管。
实施例2
一种地下通信塑料管，包括如下重量份原料：60份ABS树脂，3份高碳钢粉，8份硅微粉，2份无卤阻燃剂KSS，35份处理液；
第一步、按重量份称取ABS树脂、高碳钢粉、硅微粉和无卤阻燃剂KSS，混合均匀后加入单螺杆挤压成形机，成形温度控制在200℃，后经牵引拉出、水冷却后制得塑料管材，切割成型，制得塑料管基体；
第二步、将塑料管基体处理后置于处理液中，静置10s后取出吹干，置于UV灯下5min，之后进行喷镀银处理，制得地下通信塑料管。
实施例3
一种地下通信塑料管，包括如下重量份原料：70份ABS树脂，5份高碳钢粉，15份硅微粉，3份无卤阻燃剂KSS，50份处理液；
第一步、按重量份称取ABS树脂、高碳钢粉、硅微粉和无卤阻燃剂KSS，混合均匀后加入单螺杆挤压成形机，成形温度控制在300℃，后经牵引拉出、水冷却后制得塑料管材，切割成型，制得塑料管基体；
第二步、将塑料管基体处理后置于处理液中，静置10s后取出吹干，置于UV灯下5min，之后进行喷镀银处理，制得地下通信塑料管。
对比例1
本对比例为市场中一种ABS塑料管。
按照YD/T841.5-2008对实施例1-3的地下通信塑料管的力学性能进行检测，结果如下表1所示：
表1
| 实施例1 | 实施例2 | 实施例3 | 对比例1 | |
| 拉伸强度MPa | 23.5 | 23.8 | 23.6 | 18.5 |
| 管材刚度kPa | 3100 | 3085 | 3110 | 1850 |
从上表1中能够看出实施例1-3的拉伸强度为23.5-23.8MPa，对比例1为18.5MPa，实施例1-3的管材刚度为3085-3110kPa，对比例1的管材刚度为1850kPa。
对实施例1-3和对比例1进行耐酸碱测试，检测拉伸强度变化率，结果如下表2所示：
表2
从上表2耐酸性测试中能够看出实施例1-3的耐酸碱性优于对比例1。
实施例4
处理液包括如下步骤制成：
步骤S1、将尿素、去离子水和碳酸氢二钠混合均匀，45℃匀速搅拌直至溶解，之后升温至150℃，保温并反应2h，反应结束后将反应产物置于水中静置12h，滤出粗品，重结晶，制得中间体1，控制尿素、去离子水和碳酸氢二钠的重量比为1∶10∶0.05；
步骤S2、将制得的中间体1加入二苯醚中，升温至100℃，匀速搅拌并加入五氯化磷，保温并反应4h，制得中间体2，中间体1和五氯化磷的摩尔比为1∶3；
步骤S3、将中间体2、3-氨丙基三乙氧基硅烷和四氢呋喃加入反应釜中，通入氮气进行保护，在转速为200r/min，温度为0℃的条件下，匀速搅拌并反应5h，制得中间体3，之后加入硫氢化钠，匀速搅拌并反应4h，制得中间体4，中间体2和3-氨丙基三乙氧基硅烷的摩尔比为1∶1，中间体3和硫氢化钠的摩尔比为1∶2；
步骤S4、将中间体4加入去离子水中，配置成浓度为1g/L的溶液b，加入稀硫酸，匀速搅拌30min后制得处理液，去离子水和稀硫酸的重量比为10∶1。
实施例5
处理液包括如下步骤制成：
步骤S1、将尿素、去离子水和碳酸氢二钠混合均匀，60℃匀速搅拌直至溶解，之后升温至160℃，保温并反应2h，反应结束后将反应产物置于水中静置12h，滤出粗品，重结晶，制得中间体1，控制尿素、去离子水和碳酸氢二钠的重量比为1∶10∶0.05；
步骤S2、将制得的中间体1加入二苯醚中，升温至150℃，匀速搅拌并加入五氯化磷，保温并反应4h，制得中间体2，中间体1和五氯化磷的摩尔比为1∶3；
步骤S3、将中间体2、3-氨丙基三乙氧基硅烷和四氢呋喃加入反应釜中，通入氮气进行保护，在转速为300r/min，温度为5℃的条件下，匀速搅拌并反应5h，制得中间体3，之后加入硫氢化钠，匀速搅拌并反应4h，制得中间体4，中间体2和3-氨丙基三乙氧基硅烷的摩尔比为1∶1，中间体3和硫氢化钠的摩尔比为1∶2；
步骤S4、将中间体4加入去离子水中，配置成浓度为1g/L的溶液b，加入稀硫酸，匀速搅拌30min后制得处理液，去离子水和稀硫酸的重量比为10∶1。
在本说明书的描述中，参考术语“一个实施例”、“示例”、“具体示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
以上内容仅仅是对本发明所作的举例和说明，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 (6)
1.一种地下通信塑料管，其特征在于，包括如下重量份原料：55-70份ABS树脂，1-5份高碳钢粉，4-15份硅微粉，1-3份无卤阻燃剂，30-50份处理液；
所述处理液包括如下步骤制成：
步骤S1、将尿素、去离子水和碳酸氢二钠混合均匀，45-60℃匀速搅拌直至溶解，之后升温至150-160℃，保温并反应2h，反应结束后将反应产物置于水中静置12h，滤出粗品，重结晶，制得中间体1；
步骤S2、将制得的中间体1加入二苯醚中，升温至100-150℃，匀速搅拌并加入五氯化磷，保温并反应4h，制得中间体2；
步骤S3、将中间体2、3-氨丙基三乙氧基硅烷和四氢呋喃加入反应釜中，通入氮气进行保护，在转速为200-300r/min，温度为0-5℃的条件下，匀速搅拌并反应5h，制得中间体3，之后加入硫氢化钠，匀速搅拌并反应4h，制得中间体4；
步骤S4、将中间体4加入去离子水中，配置成浓度为1g/L的溶液b，加入稀硫酸，匀速搅拌30min后制得处理液，去离子水和稀硫酸的重量比为10∶1。
2.根据权利要求1所述的一种地下通信塑料管，其特征在于，步骤S1中控制尿素、去离子水和碳酸氢二钠的重量比为1∶10∶0.05，步骤S2中中间体1和五氯化磷的摩尔比为1∶3，步骤S3中中间体2和3-氨丙基三乙氧基硅烷的摩尔比为1∶1，中间体3和硫氢化钠的摩尔比为1∶2。
3.根据权利要求1所述的一种地下通信塑料管，其特征在于，所述高碳钢粉中碳含量大于等于0.6％。
4.根据权利要求1所述的一种地下通信塑料管，其特征在于，所述硅微粉的目数大于1000目，SiO2含量大于等于99.5％。
5.根据权利要求1所述的一种地下通信塑料管的生产工艺，其特征在于，包括如下步骤：
第一步、按重量份称取ABS树脂、高碳钢粉、硅微粉和无卤阻燃剂，混合均匀后加入单螺杆挤压成形机，成形温度控制在160-300℃，后经牵引拉出、水冷却后制得塑料管材，切割成型，制得塑料管基体；
第二步、将塑料管基体处理后置于处理液中，静置10s后取出吹干，置于UV灯下5min，之后进行喷镀银处理，制得地下通信塑料管。
6.根据权利要求5所述的一种地下通信塑料管的生产工艺，其特征在于，塑料管基体处理的具体步骤为先将塑料管基体用去离子水清洗10min，之后用无水乙醇超声清洗10min，吹干。
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