CN112143068A - 一种高强度pe管及其制备方法 - Google Patents
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- 238000002360 preparation method Methods 0.000 title abstract description 6
- 239000004698 Polyethylene Substances 0.000 claims abstract description 57
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 10
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 7
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 5
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 5
- 239000012745 toughening agent Substances 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims description 15
- 238000004513 sizing Methods 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000012760 heat stabilizer Substances 0.000 claims description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 4
- 239000003063 flame retardant Substances 0.000 claims description 4
- 239000003607 modifier Substances 0.000 claims description 4
- 239000003963 antioxidant agent Substances 0.000 claims description 3
- 230000003078 antioxidant effect Effects 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 231100000647 material safety data sheet Toxicity 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- -1 Polyethylene Polymers 0.000 description 6
- 229920000573 polyethylene Polymers 0.000 description 6
- 238000009863 impact test Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000003017 thermal stabilizer Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
-
- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
-
- 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
-
- 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
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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- 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
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92904—Die; Nozzle zone
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
本发明公开了一种高强度PE管及其制备方法,由以下质量份数的原料组成,高密度聚乙烯60‑85份;抗紫外线助剂1‑2份;增韧剂3‑5份;白色母1‑3份。该高强度PE管具有较强抗冲击力,高强度,使用寿命长。
Description
技术领域:
本发明涉及管材领域,具体讲是一种高强度PE管及其制备方法。
背景技术:
现有的PE,是聚乙烯(Polyethylene of raised temperature resistance的英文缩写),PE管材是一种结晶度高、非极性的热塑性树脂。原态HDPE的外表呈乳白色,在微薄截面呈一定程度的半透明状。PE具有优良的耐大多数生活和工业用化学品的特性。
聚乙烯管材生产的主要原料是聚乙烯颗粒,聚乙烯原料在其聚合的过程中会加入引发剂、催化剂、相对分子质量调节剂和终止剂等,现有的PE管使用寿命在10年左右,抗冲击力以及耐牢度都无法满足不断提高的应用场景的需求。
发明内容:
本发明所要解决的技术问题是,提供一种具有较强抗冲击力,高强度的高强度PE管,该PE管使用寿命长。
本发明的技术解决方案是,提供一种高强度PE管,由以下质量份数的原料组成,
高密度聚乙烯60-85份;
抗紫外线助剂1-2份;
增韧剂3-5份;
白色母1-3份。
作为优选,还包括绝缘剂1-2份,热稳定剂1-3份,PE改性剂1-3份。
作为优选,抗紫外线助剂为168抗氧化剂,白色母为阻燃白色母。
作为优选,绝缘剂为ASK一50,热稳定剂为1010MSDS。
本发明还提供一种高强度PE管的制备方法,包括以下工艺步骤,
准备原料:准备制备PE管的各种原材料;
混合:将各原料按配方加入到混料机中进行搅拌混合,当温度升至工艺所需
温度112-118℃后,开始冷混,当温度降至35-45℃时,将物料放出;
挤出:将事先预热好的挤出机启动,然后将物料投入到挤出机中,从模口挤出PE管,主机速度为10-15r/min,各区温度如下:
机筒温度:一区,160-220℃;二区,165-225℃;三区,160-230℃;四区,180-235℃;合流芯,180-240℃;
模具温度:一区,180-240℃;二区,175-235℃;三区,175-230℃;四区,170-220℃;
冷却:对离开模口的PE管进行冷却,使得PE管的外圆结皮;
定径:采用定径套对PE管进行定径,使得PE管的外圆与定径套的内圆紧密贴合;
得到成品:采用牵引机牵引PE管,得到PE5G专用管成品。
采用以上方案后与现有技术相比,本发明具有以下优点:有较强抗冲击力,高强度的PE管。
具体实施方式:
下面就具体实施方式对本发明作进一步说明:
实施例1
一种高强度PE管,由以下质量份数的原料组成,
高密度聚乙烯60-85份;
抗紫外线助剂1-2份;
增韧剂3-5份;
白色母1-3份;
绝缘剂1-2份;
PE改性剂1-3份;
热稳定剂1-3份。
其中,抗紫外线助剂为168抗氧化剂,白色母为阻燃白色母,绝缘剂为ASK一50,热稳定剂为1010MSDS,增韧剂为POC,PE改性剂为TLY008。
其制备方法包括以下工艺步骤,
准备原料:准备制备PE管的各种原材料;
混合:将各原料按配方加入到混料机中进行搅拌混合,当温度升至工艺所需温度112-118℃后,开始冷混,当温度降至35-45℃时,将物料放出;
挤出:将事先预热好的挤出机启动,然后将物料投入到挤出机中,从模口挤出PE管,主机速度为10-15r/min,各区温度如下:
机筒温度:一区,160-220℃;二区,165-225℃;三区,160-230℃;四区,180-235℃;合流芯,180-240℃;
模具温度:一区,180-240℃;二区,175-235℃;三区,175-230℃;四区,170-220℃;
冷却:对离开模口的PE管进行冷却,使得PE管的外圆结皮;
定径:采用定径套对PE管进行定径,使得PE管的外圆与定径套的内圆紧密贴合;
得到成品:采用牵引机牵引PE管,得到PE5G专用管成品。
该PE管具备阻燃绝缘效果,且抗冲击性强,强度高。经测试,其环刚度为24.8kpa(80℃),而PE管的技术要求为大于等于12kpa(80℃),同时,压扁测试时,加荷至试样垂直方向变形量为原内径38%时,试样无裂缝或破损,而PE管的技术要求为加荷至试样垂直方向变形量为原内径30%时,试样无裂缝或破损;落锤冲击试验中(3kg,1200mm),试样无裂缝或破损,而PE管的技术要求为落锤冲击试验中(2.5kg,1200mm),试样无裂缝或破损;维卡软化温度为95.8℃,而现有技术要求为93.℃,另外纵向回缩率(150℃,1h)为3%,而现有技术的PE管的纵向回缩率为5%。相比现有PE管10年使用寿命,可提高至30年使用寿命。
以上仅就本发明较佳的实施例作了说明,但不能理解为是对权利要求的限制。凡是利用本发明说明书所做的等效结构或等效流程变换,均包括在本发明的专利保护范围之内。
Claims (5)
1.一种高强度PE管,其特征在于:由以下质量份数的原料组成,
高密度聚乙烯60-85份;
抗紫外线助剂1-2份;
增韧剂3-5份;
白色母1-3份。
2.根据权利要求1所述的高强度PE管,其特征在于:还包括绝缘剂1-2份,热稳定剂1-3份,PE改性剂1-3份。
3.根据权利要求1所述的高强度PE管,其特征在于:抗紫外线助剂为168抗氧化剂,白色母为阻燃白色母。
4.根据权利要求1所述的高强度PE管,其特征在于:绝缘剂为ASK一50,热稳定剂为1010MSDS。
5.根据权利要求1所述的高强度PE管的制备方法,其特征在于:包括以下工艺步骤,
准备原料:准备制备PE管的各种原材料;
混合:将各原料按配方加入到混料机中进行搅拌混合,当温度升至工艺所需温度112-118℃后,开始冷混,当温度降至35-45℃时,将物料放出;
挤出:将事先预热好的挤出机启动,然后将物料投入到挤出机中,从模口挤出PE管,主机速度为10-15r/min,各区温度如下:
机筒温度:一区,160-220℃;二区,165-225℃;三区,160-230℃;四区,180-235℃;合流芯,180-240℃;
模具温度:一区,180-240℃;二区,175-235℃;三区,175-230℃;四区,170-220℃;
冷却:对离开模口的PE管进行冷却,使得PE管的外圆结皮;
定径:采用定径套对PE管进行定径,使得PE管的外圆与定径套的内圆紧密贴合;
得到成品:采用牵引机牵引PE管,得到成品。
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105037883A (zh) * | 2015-07-23 | 2015-11-11 | 柳州联海科技有限公司 | 一种耐热高强度pe管材及其制备方法 |
CN108948483A (zh) * | 2018-06-02 | 2018-12-07 | 浙江华力管业有限公司 | 一种抗紫外线环保pe管材 |
CN109181158A (zh) * | 2018-08-27 | 2019-01-11 | 四川亮力新材料科技有限公司 | 一种高分子抗冲改性剂及其制备方法和应用 |
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CN105037883A (zh) * | 2015-07-23 | 2015-11-11 | 柳州联海科技有限公司 | 一种耐热高强度pe管材及其制备方法 |
CN108948483A (zh) * | 2018-06-02 | 2018-12-07 | 浙江华力管业有限公司 | 一种抗紫外线环保pe管材 |
CN109181158A (zh) * | 2018-08-27 | 2019-01-11 | 四川亮力新材料科技有限公司 | 一种高分子抗冲改性剂及其制备方法和应用 |
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