CN103707597A - 超高分子量聚乙烯多层溜槽及其制备方法 - Google Patents
超高分子量聚乙烯多层溜槽及其制备方法 Download PDFInfo
- Publication number
- CN103707597A CN103707597A CN201310719078.4A CN201310719078A CN103707597A CN 103707597 A CN103707597 A CN 103707597A CN 201310719078 A CN201310719078 A CN 201310719078A CN 103707597 A CN103707597 A CN 103707597A
- Authority
- CN
- China
- Prior art keywords
- weight polyethylene
- polymer
- ultra
- molecular weight
- high molecular
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 title claims abstract description 56
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 title claims abstract description 56
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 229920000642 polymer Polymers 0.000 claims abstract description 25
- 239000000945 filler Substances 0.000 claims abstract description 19
- 229920001002 functional polymer Polymers 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 16
- 238000001125 extrusion Methods 0.000 claims abstract description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 239000003063 flame retardant Substances 0.000 claims description 2
- 229920001903 high density polyethylene Polymers 0.000 claims description 2
- 239000004700 high-density polyethylene Substances 0.000 claims description 2
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 2
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 2
- 229920001684 low density polyethylene Polymers 0.000 claims description 2
- 239000004702 low-density polyethylene Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 4
- 230000032683 aging Effects 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 abstract description 2
- 239000002861 polymer material Substances 0.000 abstract 2
- 239000010410 layer Substances 0.000 description 44
- 238000005065 mining Methods 0.000 description 7
- 239000004698 Polyethylene Substances 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
Images
Classifications
-
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
-
- 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
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- 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
- B29C2948/92885—Screw or gear
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Laminated Bodies (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
本发明公开了一种超高分子量聚乙烯多层溜槽及其制备方法,包括超高分子量聚乙烯内层,在超高分子量聚乙烯内层外设有改性聚合物层,在改性聚合物层外设有功能聚合物外层;其中改性聚合物层的材料是经过加入了填料改性的聚合物,填料与聚合物的质量比为5∶95~40∶60。本发明采用多层共挤法制备出的矿用输送管,内外层为超高分子量聚乙烯,其具有超强的耐磨性、自润滑性,强度比较高、化学性质稳定、抗老化性能强等性能;中间层采用填料改性聚合物材料;外层采用聚合物材,使得其具有抗静电、强度高、抗冲击等优异的性能。为此,本发明人通过大量的实验论证得出了此实验方案。通过对超高分子量聚乙烯、填料、聚合物的含量来控制制品的综合性能,通过对工艺条件的优化,得到性能较优的矿用溜槽。
Description
技术领域
本发明涉及高分子科学领域,尤其是一种超高分子量聚乙烯多层溜槽及其制备方法。
背景技术
多层共挤是在多台挤出机上分别挤出不同的熔融料流,在一个复合模头内汇合共挤出得到多层复合制品的加工过程。具有不同性能的物料流在挤出过程中彼此复合在一起,使制品兼有几种不同材料的优良特性。制品在性质上能够进行互补,从而获得具有特别性能和外观的材料,如防氧和防湿的阻隔能力、着色性、保温性、热成型和热粘合能力,以及强度、刚度、硬度等机械性能。这些具有综合性能的多层复合材料在许多领域中有极其广泛的应用价值。因此,共挤出技术被广泛用于复合薄膜、板材、管材和电线电缆的生产。
超高分子量聚乙烯是一种高分子材料,其具有极高的耐磨性、自润滑性、化学性质较稳定,强度比较高、耐低温、抗老化等特点。超高分子量聚乙烯具有极高的抗冲击性,采用多层共挤制备矿用输送管,能有效防止内外层蠕变,增加了其对抗冲击、压力、弯曲的能力,增加了其承受能力。采用超高分子量聚乙烯材料制备矿用输送管不怕磕碰,不会破裂,特别适用于一些环境恶劣的矿井输送设备。
中国专利公开号CN1217971,于1999年6月2日公开了“高分子聚乙烯矿用溜槽及其制作工艺方法”。该方法是采用超高分子量聚乙烯取代钢材,热压成型,采用联板顺插锁扣制取代燕尾板顺插法。产品具有自润滑性,抗静电、耐冲击耐磨损耐化学腐蚀,在低温的情况下具有较好的抗折断和扭曲能力。但是采用超高分子量聚乙烯作为单层材料,产品的成本较高。这两件专利采用聚乙烯或超分子量聚乙烯作为主要原料,采用超高分子量聚乙烯作为单一原料生产过程成本高,不经济,采用聚乙烯作为溜槽材料,产品耐摩擦性能差。
发明内容
本发明的目的是:提供一种超高分子量聚乙烯多层溜槽及其制备方法,它克服矿用溜槽由于矿物和煤矸石撞击和摩擦,导致溜槽易受损害等缺点。
本发明是这样实现的:超高分子量聚乙烯多层溜槽,包括超高分子量聚乙烯内层,在超高分子量聚乙烯内层外设有改性聚合物层,在改性聚合物层外设有功能聚合物外层;超高分子量聚乙烯内层、改性聚合物层及功能聚合物外层组成的形状是底部水平,两侧向上翘起的结构,或组成一个圆弧形结构;其中改性聚合物层的材料是经过加入了填料改性的聚合物,填料与聚合物的质量比为5:95~40:60。
所述的改性聚合物层中的聚合物与功能聚合物外层的聚合物为UHMWPE、HDPE、LLDPE、LDPE、PP、PVC、PA其中一种或几种的任意组合;改性聚合物层中的填料为粘合剂、石墨、碳纤维、碳酸钙、硫酸钙、抗静电剂或阻燃剂其中一种或几种的任意组合。
超高分子量聚乙烯内层的厚度为0.1~5mm,改性聚合物层的厚度为5~50mm,功能聚合物外层的厚度为5~20mm。
超高分子量聚乙烯多层溜槽的制备方法,将超高分子量聚乙烯、改性聚合物以及功能聚合物采用多层共挤的加工方式,生产获得超高分子量聚乙烯多层溜槽。
超高分子量聚乙烯内层挤出机挤出参数为:挤出各段温度为:一区200℃、二区220℃、三区230℃、四区240℃、五区250℃、六区250℃;主机转速为 300r/min。
由于采用了上述的技术方案,本发明采用多层共挤法制备出的矿用溜槽,内外层为超高分子量聚乙烯,超高分子量聚乙烯是一种高分子聚合物,其具有超强的耐磨性、自润滑性,强度比较高、化学性质稳定、抗老化性能强等性能。在矿物运输的过程中能够降低矿物对溜槽的摩擦损害作用;中间层采用填料改性聚合物材料;外层采用聚合物材,使得其具有抗静电、强度高、抗冲击等优异的性能。为此,其价格较采用单一挤出机相比,其成本大幅降低,且制品的性能得到改善。本发明人通过大量的实验论证得出了此实验方案,设计出两种形状不同的矿用溜槽。通过对超高分子量聚乙烯、填料、聚合物的含量来控制制品的综合性能,通过对工艺条件的优化,得到性能较优的矿用溜槽。本发明的制备方法较简易,综合性能较好,具有一定的市场竞争力。
附图说明
附图1为本发明的实施例1的结构示意图;
附图2为本发明的实施例2的结构示意图。
具体实施方式
本发明的实施例1:超高分子量聚乙烯多层溜槽如图1所示,包括超高分子量聚乙烯内层1,在超高分子量聚乙烯内层1外设有改性聚合物层2,在改性聚合物层2外设有功能聚合物外层3;超高分子量聚乙烯内层1的厚度为0.1mm,改性聚合物层2的厚度为5mm,功能聚合物外层3的厚度为5mm;超高分子量聚乙烯内层1、改性聚合物层2及功能聚合物外层3组成的形状是底部水平,两侧向上翘起的结构;其中改性聚合物层2的材料是经过加入了填料改性的聚合物,填料与聚合物的质量比为5:95;所述的改性聚合物层2中的聚合物与功能聚合物外层3的聚合物为PVC;改性聚合物层2中的填料为碳纤维。
超高分子量聚乙烯多层共挤矿用输送管的制备方法,将超高分子量聚乙烯、改性聚合物以及功能聚合物采用多层共挤的加工方式,生产获得超高分子量聚乙烯多层溜槽;超高分子量聚乙烯内层1挤出机挤出参数为:挤出各段温度为:一区200℃、二区220℃、三区230℃、四区240℃、五区250℃、六区250℃;主机转速为 300r/min。
本发明的实施例2:超高分子量聚乙烯多层溜槽如图2所示,包括超高分子量聚乙烯内层1,在超高分子量聚乙烯内层1外设有改性聚合物层2,在改性聚合物层2外设有功能聚合物外层3;超高分子量聚乙烯内层1的厚度为5mm,改性聚合物层2的厚度为50mm,功能聚合物外层3的厚度为20mm;超高分子量聚乙烯内层1、改性聚合物层2及功能聚合物外层3组成的圆弧形结构;其中改性聚合物层2的材料是经过加入了填料改性的聚合物,填料与聚合物的质量比为40:60;所述的改性聚合物层2中的聚合物与功能聚合物外层3的聚合物为PA;改性聚合物层2中的填料为石墨。
制备方法同实施例1。
Claims (5)
1.一种超高分子量聚乙烯多层溜槽,包括超高分子量聚乙烯内层(1),其特征在于:在超高分子量聚乙烯内层(1)外设有改性聚合物层(2),在改性聚合物层(2)外设有功能聚合物外层(3);超高分子量聚乙烯内层(1)、改性聚合物层(2)及功能聚合物外层(3)组成的形状是底部水平,两侧向上翘起的结构,或组成一个圆弧形结构;其中改性聚合物层(2)的材料是经过加入了填料改性的聚合物,填料与聚合物的质量比为5:95~40:60。
2.根据权利要求1所述的超高分子量聚乙烯多层溜槽,其特征在于:所述的改性聚合物层(2)中的聚合物与功能聚合物外层(3)的聚合物为UHMWPE、HDPE、LLDPE、LDPE、PP、PVC、PA其中一种或几种的任意组合;改性聚合物层(2)中的填料为填料为粘合剂、石墨、碳纤维、碳酸钙、硫酸钙、抗静电剂或阻燃剂其中一种或几种的任意组合。
3.根据权利要求1或2所述的超高分子量聚乙烯多层溜槽,其特征在于:超高分子量聚乙烯内层(1)的厚度为0.1~5mm,改性聚合物层(2)的厚度为5~50mm,功能聚合物外层(3)的厚度为5~20mm。
4.一种如权利要求1所述的超高分子量聚乙烯多层溜槽的制备方法,其特征在于:将超高分子量聚乙烯、改性聚合物以及功能聚合物采用多层共挤的加工方式,生产获得超高分子量聚乙烯多层溜槽。
5.根据权利要求4所述的超高分子量聚乙烯多层溜槽的制备方法,其特征在于:超高分子量聚乙烯内层(1)挤出机挤出参数为:挤出各段温度为:一区200℃、二区220℃、三区230℃、四区240℃、五区250℃、六区250℃;主机转速为 300r/min。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310719078.4A CN103707597B (zh) | 2013-12-24 | 2013-12-24 | 超高分子量聚乙烯多层溜槽及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310719078.4A CN103707597B (zh) | 2013-12-24 | 2013-12-24 | 超高分子量聚乙烯多层溜槽及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103707597A true CN103707597A (zh) | 2014-04-09 |
CN103707597B CN103707597B (zh) | 2016-06-15 |
Family
ID=50401120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310719078.4A Expired - Fee Related CN103707597B (zh) | 2013-12-24 | 2013-12-24 | 超高分子量聚乙烯多层溜槽及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103707597B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109248777A (zh) * | 2018-12-03 | 2019-01-22 | 辽宁工程技术大学 | 一种环氧树脂填充泡沫铝层合结构矿用溜槽及其制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07148858A (ja) * | 1993-11-26 | 1995-06-13 | Yokohama Rubber Co Ltd:The | 耐摩耗ホース |
JP2006266332A (ja) * | 2005-03-22 | 2006-10-05 | Sekisui Chem Co Ltd | 複層ポリエチレン管 |
CN101706021A (zh) * | 2009-10-29 | 2010-05-12 | 河北省清河县长城密封件有限公司 | 一种超高分子量聚乙烯复合管材及其制备方法 |
CN101797821A (zh) * | 2010-01-26 | 2010-08-11 | 天津军星管业集团有限公司 | 多组分多层共挤改性高模量塑料复合管材 |
CN202091649U (zh) * | 2010-11-27 | 2011-12-28 | 泰州申视塑料有限公司 | 一种高承压超高分子量聚乙烯增强复合管材结构 |
-
2013
- 2013-12-24 CN CN201310719078.4A patent/CN103707597B/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07148858A (ja) * | 1993-11-26 | 1995-06-13 | Yokohama Rubber Co Ltd:The | 耐摩耗ホース |
JP2006266332A (ja) * | 2005-03-22 | 2006-10-05 | Sekisui Chem Co Ltd | 複層ポリエチレン管 |
CN101706021A (zh) * | 2009-10-29 | 2010-05-12 | 河北省清河县长城密封件有限公司 | 一种超高分子量聚乙烯复合管材及其制备方法 |
CN101797821A (zh) * | 2010-01-26 | 2010-08-11 | 天津军星管业集团有限公司 | 多组分多层共挤改性高模量塑料复合管材 |
CN202091649U (zh) * | 2010-11-27 | 2011-12-28 | 泰州申视塑料有限公司 | 一种高承压超高分子量聚乙烯增强复合管材结构 |
Non-Patent Citations (1)
Title |
---|
温变英等: "《高分子材料与加工》", 31 March 2011, 中国轻工业出版社 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109248777A (zh) * | 2018-12-03 | 2019-01-22 | 辽宁工程技术大学 | 一种环氧树脂填充泡沫铝层合结构矿用溜槽及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN103707597B (zh) | 2016-06-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105061892A (zh) | 一种纤维增强聚丙烯材料及其管道的应用 | |
CN103672197B (zh) | 超高分子量聚乙烯多层共挤矿用输送管及其制备方法 | |
WO2018127031A1 (zh) | 一种新型混合复合管材及制备方法和应用 | |
CN103013065B (zh) | 聚丁二酸丁二醇酯可降解薄膜用复合材料及其制备方法 | |
CN102649848B (zh) | 一种韧性改进的hdpe非开挖管材 | |
CN101797821A (zh) | 多组分多层共挤改性高模量塑料复合管材 | |
CN104277293A (zh) | 一种增强型hdpe双壁波纹管 | |
CN103160055A (zh) | 户外用asa/pvc-m共挤出管材组合物及其制备工艺 | |
CN102911425A (zh) | 高熔体流动性挤出级超高分子量聚乙烯管材专用料及其制备方法 | |
CN102011897A (zh) | 一种用于矿井的纤维增强管及其生产方法 | |
CN102996913A (zh) | 一种新型高强度hdpe复合管及其生产方法 | |
CN103062519A (zh) | 高强度hdpe波纹管 | |
CN103707597B (zh) | 超高分子量聚乙烯多层溜槽及其制备方法 | |
CN101190563A (zh) | 四层复合金属增强聚乙烯管材的制作装置 | |
CN201916608U (zh) | 煤矿井下用超高分子量聚乙烯复合管材 | |
CN203743645U (zh) | 一种钢丝网骨架聚乙烯塑料复合管 | |
CN201973371U (zh) | 一种超高分子量聚乙烯加筋管材 | |
CN202147408U (zh) | 一种复合金属增强聚乙烯管材的制作装置 | |
CN103062520B (zh) | 新型耐高压hdpe水管 | |
CN202213208U (zh) | 四层复合金属增强聚乙烯管材的制作装置 | |
CN202215862U (zh) | 一种增强复合保温隔热超高分子量聚乙烯管材 | |
CN104786461A (zh) | 一种增强热塑性塑料管的制备工艺 | |
CN103509290A (zh) | 废旧聚氯乙烯再生材料 | |
CN102731932A (zh) | 一种穿条式隔热型材材料及其制备方法 | |
CN201092131Y (zh) | 四层复合金属增强聚乙烯管材的制作装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information |
Address after: 550001 Guizhou Province, Guiyang city Baoshan Road No. 27 (khine building 22 floor No. -12/13) Applicant after: GUIZHOU LANTU NEW MATERIAL CO.,LTD. Address before: 550001 Guizhou Province, Guiyang city Baoshan Road No. 27 (khine building 22 floor No. -12/13) Applicant before: GUIZHOU LANTU NEW MATERIALS Co.,Ltd. |
|
COR | Change of bibliographic data | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 |