CN105061863A - 一种高强度聚乙烯通信管材 - Google Patents

一种高强度聚乙烯通信管材 Download PDF

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CN105061863A
CN105061863A CN201510476428.8A CN201510476428A CN105061863A CN 105061863 A CN105061863 A CN 105061863A CN 201510476428 A CN201510476428 A CN 201510476428A CN 105061863 A CN105061863 A CN 105061863A
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tubing
communication tubing
resistance
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梅章文
余文辉
姚磊
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Anhui Telecom Equipment Trading Industry Co Ltd
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    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
    • C08J3/223—Packed additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
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    • C—CHEMISTRY; METALLURGY
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    • C08L2203/00—Applications
    • C08L2203/18—Applications used for pipes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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Abstract

本发明公开了一种高强度聚乙烯通信管材，按重量份计，由以下各原料组成：高密度聚乙烯25-30、二甲苯7-9、氯乙烯共聚合树脂18-20、乙丙橡胶10-12、乙基纤维素5.4-6.2、纳米级硅藻土1.5-2.5、聚丙烯成核剂1.2-1.8、铝粉2.5-4.5、聚氨酯类增稠剂0.2-0.4、纳米级氢氧化铝0.8-1.5、色母4-6；本发明有效解决了通信管材的低温脆性、耐磨性、耐腐蚀性、抗老化性、耐热性、加工性、阻燃性等问题。

Description

一种高强度聚乙烯通信管材
技术领域
本发明涉及通信管材领域，具体属于一种高强度聚乙烯通信管材。
背景技术
目前，通信管材通常选用PE管，PE管也有一定的弱点，如强度低，碰到坚石，金属碰撞挤压，易引起凹坑，直至穿孔；没有阻燃性；对最高使用压力有限制，而在我国北方地区，在冬季野外铺设的聚乙烯埋地给水时，总结出一条经验是在零度以下就不适宜铺设施工，因为这时聚乙烯管轻易脆裂；另外，PE管堆放要求高，不能长时间日晒雨淋，否则轻易老化，降低使用寿命。
发明内容
本发明的目的是提供一种高强度聚乙烯通信管材，有效解决了通信管材的低温脆性、耐磨性、耐腐蚀性、抗老化性、耐热性、加工性、阻燃性等问题。
本发明采用的技术方案如下：
一种高强度聚乙烯通信管材，按重量份计，由以下各原料组成：
高密度聚乙烯25-30、二甲苯7-9、氯乙烯共聚合树脂18-20、乙丙橡胶10-12、乙基纤维素5.4-6.2、纳米级硅藻土1.5-2.5、聚丙烯成核剂1.2-1.8、铝粉2.5-4.5、聚氨酯类增稠剂0.2-0.4、纳米级氢氧化铝0.8-1.5、色母4-6；该管材制备方法如下：先将上述各组分原料加入高速混合机中，高速混合30～35min后，高速混合机放出的物料放入研磨机中循环研磨30-35min后，进入双螺杆挤出机造粒，挤出温度是：进料段为120-122℃，压缩段为210-215℃，塑化段为220-225℃，均化段为205-212℃，模具温度为195-210℃，冷却水温度8-12℃；冷却定型真空为0.1—0.2MPa。
一种高强度聚乙烯通信管材，按重量份计，高密度聚乙烯28、二甲苯8、氯乙烯共聚合树脂19、乙丙橡胶11、乙基纤维素5.8、纳米级硅藻土2、聚丙烯成核剂1.5、铝粉3.5、聚氨酯类增稠剂0.3、纳米级氢氧化铝1.1、色母5。
本发明双螺杆挤出机造粒时，进料段、压缩段、塑化段温度设置不同，有效解决了通信管材的低温脆性、耐磨性、耐腐蚀性、抗老化性、耐热性、加工性、阻燃性等问题。
具体实施方式
一种高强度聚乙烯通信管材，按重量份计，高密度聚乙烯28、二甲苯8、氯乙烯共聚合树脂19、乙丙橡胶11、乙基纤维素5.8、纳米级硅藻土2、聚丙烯成核剂1.5、铝粉3.5、聚氨酯类增稠剂0.3、纳米级氢氧化铝1.1、色母5；该管材制备方法如下：先将上述各组分原料加入高速混合机中，高速混合30～35min后，高速混合机放出的物料放入研磨机中循环研磨30-35min后，进入双螺杆挤出机造粒，挤出温度是：进料段为120-122℃，压缩段为210-215℃，塑化段为220-225℃，均化段为205-212℃，模具温度为195-210℃，冷却水温度8-12℃；冷却定型真空为0.1—0.2MPa。
本发明的高强度聚乙烯通信管材性能实验数据：
在80℃、155h条件下，静液压试验环应力为5.4Mpa；
在80℃、960h条件下静液压试验环应力为5.1Mpa。

Claims (2)

1.一种高强度聚乙烯通信管材，按重量份计，其特征在于，由以下各原料组成：
高密度聚乙烯25-30、二甲苯7-9、氯乙烯共聚合树脂18-20、乙丙橡胶10-12、乙基纤维素5.4-6.2、纳米级硅藻土1.5-2.5、聚丙烯成核剂1.2-1.8、铝粉2.5-4.5、聚氨酯类增稠剂0.2-0.4、纳米级氢氧化铝0.8-1.5、色母4-6；该管材制备方法如下：先将上述各组分原料加入高速混合机中，高速混合30～35min后，高速混合机放出的物料放入研磨机中循环研磨30-35min后，进入双螺杆挤出机造粒，挤出温度是：进料段为120-122℃，压缩段为210-215℃，塑化段为220-225℃，均化段为205-212℃，模具温度为195-210℃，冷却水温度8-12℃；冷却定型真空为0.1—0.2MPa。
2.根据权利要求1所述高强度聚乙烯通信管材，其特征在于，按重量份计，高密度聚乙烯28、二甲苯8、氯乙烯共聚合树脂19、乙丙橡胶11、乙基纤维素5.8、纳米级硅藻土2、聚丙烯成核剂1.5、铝粉3.5、聚氨酯类增稠剂0.3、纳米级氢氧化铝1.1、色母5。
CN201510476428.8A 2015-08-06 2015-08-06 一种高强度聚乙烯通信管材 Pending CN105061863A (zh)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105696109A (zh) * 2016-03-07 2016-06-22 太仓市晨洲塑业有限公司 一种高密度聚乙烯单丝
CN105778241A (zh) * 2016-05-09 2016-07-20 李红玉 一种抗辐射通信管材及其制备工艺
CN106188739A (zh) * 2016-07-08 2016-12-07 广安奥海通讯电子科技有限公司 一种耐腐蚀埋地通信管材及其制备方法
CN107556589A (zh) * 2017-10-20 2018-01-09 桐城市中汇塑业有限公司 一种高强度聚乙烯管材

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1322774A (zh) * 2001-06-06 2001-11-21 宁波信高塑化有限公司 通讯光缆护套管专用料及其制备方法
CN102617914A (zh) * 2012-04-01 2012-08-01 广东三凌塑料管材有限公司 聚乙烯电缆导管
CN102850629A (zh) * 2012-09-18 2013-01-02 浙江新大塑料管件有限公司 一种矿用聚乙烯管
CN103756088A (zh) * 2013-12-26 2014-04-30 宁波波尔管业开发有限公司 高强度耐温耐磨的聚乙烯管材

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1322774A (zh) * 2001-06-06 2001-11-21 宁波信高塑化有限公司 通讯光缆护套管专用料及其制备方法
CN102617914A (zh) * 2012-04-01 2012-08-01 广东三凌塑料管材有限公司 聚乙烯电缆导管
CN102850629A (zh) * 2012-09-18 2013-01-02 浙江新大塑料管件有限公司 一种矿用聚乙烯管
CN103756088A (zh) * 2013-12-26 2014-04-30 宁波波尔管业开发有限公司 高强度耐温耐磨的聚乙烯管材

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105696109A (zh) * 2016-03-07 2016-06-22 太仓市晨洲塑业有限公司 一种高密度聚乙烯单丝
CN105778241A (zh) * 2016-05-09 2016-07-20 李红玉 一种抗辐射通信管材及其制备工艺
CN106188739A (zh) * 2016-07-08 2016-12-07 广安奥海通讯电子科技有限公司 一种耐腐蚀埋地通信管材及其制备方法
CN107556589A (zh) * 2017-10-20 2018-01-09 桐城市中汇塑业有限公司 一种高强度聚乙烯管材

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