CN103772796B - Expanded graphite modified injection grade ultra-high molecular weight polyethylene and preparation method thereof - Google Patents
Expanded graphite modified injection grade ultra-high molecular weight polyethylene and preparation method thereof Download PDFInfo
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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
- 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
- B29C48/04—Particle-shaped
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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
- 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
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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
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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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
- 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
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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
- B29C2948/92504—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
-
- 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
-
- 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
- C08L2207/068—Ultra high molecular weight polyethylene
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- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of expanded graphite modified injection grade ultra-high molecular weight polyethylene and preparation method thereof.It is made up of the ultra-high molecular weight polyethylene that weight ratio is 60～100:5～50:1～10, high density polyethylene (HDPE) and expanded graphite；Preparation method is that ultra-high molecular weight polyethylene, high density polyethylene (HDPE) and expanded graphite join banburying in rubber and plastic banbury, then by crusher in crushing, and last extruding pelletization.Owing to expanded graphite is stripped under high load and shear rate, the expanded graphite of available nano-dispersed, continuous, uniform and stable lubricating film can be formed with matrix, lubrication is played in ultra-high molecular weight polyethylene composite material, the energy transmission between Polyethylene Chain can be improved, ultra-high molecular weight polyethylene segment is slided relatively and becomes easy, thus improve the mobility of ultra-high molecular weight polyethylene.Reduce the coefficient of friction of this composite it addition, expanded graphite also helps and improve its wearability.
Description
Technical field
The present invention relates to a kind of modified ultra-high molecular weight polyethylene, be specifically related to a kind of expanded graphite modified injection grade ultra-high molecular weight polyethylene, meanwhile, the invention still further relates to the preparation method of this expanded graphite modified injection grade ultra-high molecular weight polyethylene a kind of.
Background technology
Ultra-high molecular weight polyethylene (UHMW-PE) is the thermoplastic engineering plastic with Good All-around Property of a kind of linear structure, there is the performances such as excellent impact resistance, mar proof, chemical resistance and self-lubricity, he has been widely used in the severe rugged environment with above-mentioned characteristic, such as, have a wide range of applications in fields such as weaving, mining, chemical industry, machinery, building, medical treatment, aviation and military projects.But cannot overcome that ultra-high molecular weight polyethylene viscosity is big, be difficult to the shortcomings such as flowing and very difficult injection so that limit the range of application of ultra-high molecular weight polyethylene to a certain extent.
Chinese patent CN1245179A discloses the ultra-high molecular weight polyvinyl composite that a kind of available extrusion molding is processed.But due to along with the addition of decahydronaphthalenes, low molecular weight polyethylene, amide-type lubricant etc., the hot strength of composite also certain gap compared with pure ultra-high molecular weight polyethylene, and melt index is on the low side, processing fluidity is bad, is unfavorable for the smooth extrusion of composite.
Chinese patent CN1191230A discloses a kind of extrusion and the preparation method of injection grade modified with ultrahigh molecular weight polyethylene PP Pipe Compound, the LCP of certain mass percent, antioxidant and additive is added with ultra-high molecular weight polyethylene, produce the modified with ultrahigh molecular weight polyethylene PP Pipe Compound that can directly carry out extruding and be molded, but LCP is expensive, limit its marketing to a certain extent.And along with the increase of LCP consumption, the impact strength of ultra-high molecular weight polyethylene composite material and wearability decline bigger.
Summary of the invention
The technical problem to be solved in the present invention is pointed out for overcoming deficiency of the prior art, it is provided that a kind of expanded graphite modified injection grade ultra-high molecular weight polyethylene.
Another technical problem that the invention solves the problems that is for providing the preparation method of this expanded graphite modified injection grade ultra-high molecular weight polyethylene above-mentioned.
For solving the technical problem of the present invention, the technical scheme used is: a kind of expanded graphite modified injection grade ultra-high molecular weight polyethylene, and it is made up of the ultra-high molecular weight polyethylene that weight ratio is 60～100:5～50:1～10, high density polyethylene (HDPE) and expanded graphite；Described ultra-high molecular weight polyethylene is the product that viscosity-average molecular weight is more than 2,000,000, described high density polyethylene (HDPE) is injection grade, selected from be 190 DEG C in temperature, pressure be 2.16kg test condition under the product that melt index is 1～30g/10min, as raised sub-petroleum chemicals 2208J, 1300J or 2100J；Melt index >=the 1.2g/10min of described expanded graphite modified injection grade ultra-high molecular weight polyethylene, hot strength >=27MPa, simply supported beam notch impact strength >=62kJ/m2, coefficient of friction≤0.25.
Further improvement as expanded graphite modified injection grade ultra-high molecular weight polyethylene, in this expanded graphite modified injection grade ultra-high molecular weight polyethylene, the weight ratio of ultra-high molecular weight polyethylene, high density polyethylene (HDPE) and expanded graphite is 70～90:10～30:3～5.Described expanded graphite is the volumetric expansion multiple product more than 200 times.
In order to solve another technical problem of the present invention, the technical scheme used is: the preparation method of above-mentioned expanded graphite modified injection grade ultra-high molecular weight polyethylene, including mixing method, the most first ultra-high molecular weight polyethylene, high density polyethylene (HDPE) and expanded graphite are joined in rubber and plastic banbury, it it is 130～150 DEG C in temperature, rotating speed be under conditions of 40～60rpm banburying less than 10min, then crusher in crushing is passed through, finally by double screw extruder extruding pelletization, obtain expanded graphite modified injection grade ultra-high molecular weight polyethylene.
As the further improvement of expanded graphite modified injection grade ultrahigh molecular weight polyethylene Preparation Method, the extruder temperature of described double screw extruder is 160～220 DEG C, and screw speed is 80～200rpm.The weight ratio of ultra-high molecular weight polyethylene, high density polyethylene (HDPE) and expanded graphite is 70～90:10～30:3～5.Described expanded graphite is the volumetric expansion multiple product more than 200 times.
The present invention is relative to prior art, it provides the benefit that: one, owing to expanded graphite is stripped under high load and shear rate, the expanded graphite of available nano-dispersed, continuous, uniform and stable lubricating film can be formed with matrix, ultra-high molecular weight polyethylene composite material rises lubrication, the energy transmission of ultra-high molecular weight polyethylene interchain can be improved, ultra-high molecular weight polyethylene segment is slided relatively and becomes easy, thus improve the mobility of ultra-high molecular weight polyethylene.Reduce the coefficient of friction of ultra-high molecular weight polyethylene composite material it addition, expanded graphite also helps and improve its wearability.Its two, preparation method science, effectively, it is relatively low that the injection grade ultra-high molecular weight polyethylene prepared has high abrasion, high impact, good fluidity and cost, can meet the demand of injection molding.
Further embodiment as beneficial effect, one, the preferably weight ratio of ultra-high molecular weight polyethylene, high density polyethylene (HDPE) and expanded graphite is 70～90:10～30:3～5, described expanded graphite is the volumetric expansion multiple product more than 200 times, can improve the wearability of injection grade ultra-high molecular weight polyethylene, impact strength and mobility further.Its two, the preferably extruder temperature of double screw extruder is 160～220 DEG C, and screw speed is 80～200rpm, by reasonably arranging extruder temperature and rotating speed, makes material mixing uniformity good, it is easy to injection mo(u)lding.
Detailed description of the invention
Below by specific embodiment, the present invention will be further described, all raw materials are prepared both from market or according to prior art, and ultra-high molecular weight polyethylene described in following embodiment is selected from Jiujiang Zhong Kexin Xingxin Material Co company limited product (viscosity-average molecular weight is more than 2,000,000)；Described high density polyethylene (HDPE) is selected from raising sub-petroleum chemicals 2208J(melt index 3.5-7.5g/10min), 1300J (melt index 9-19 g/10min) or 2100J(melt index 4.0-9.0 g/10min)；Described expanded graphite is selected from Shanghai one sail graphite company limited (volumetric expansion multiple is more than 200 times).
Embodiment 1
90kg ultra-high molecular weight polyethylene (viscosity-average molecular weight 2,000,000), 10kg high density polyethylene (HDPE) (2208J), 3kg expanded graphite (volumetric expansion multiple 200 times) are joined in rubber and plastic banbury, it it is 150 DEG C in temperature, rotating speed is banburying 10min under conditions of 40rpm, then by crusher in crushing, finally by double screw extruder extruding pelletization, obtain expanded graphite modified injection grade ultra-high molecular weight polyethylene composite material.Extruder temperature is 160 DEG C, and screw speed is 80rpm.Melt index 1.2g/10min of gained super-high molecular weight polythene blending modified compound, hot strength 28MPa, simply supported beam notch impact strength 83kJ/m2, coefficient of friction 0.15.
Embodiment 2
90kg ultra-high molecular weight polyethylene (viscosity-average molecular weight 3,000,000), 10kg high density polyethylene (HDPE) (2208J), 5kg expanded graphite (volumetric expansion multiple 300 times) are joined in rubber and plastic banbury, it it is 150 DEG C in temperature, rotating speed is banburying 10min under conditions of 50rpm, then by crusher in crushing, finally by double screw extruder extruding pelletization, obtain expanded graphite modified injection grade ultra-high molecular weight polyethylene composite material.Extruder temperature is 180 DEG C, and screw speed is 120rpm.Melt index 1.5g/10min of gained super-high molecular weight polythene blending modified compound, hot strength 27MPa, simply supported beam notch impact strength 81kJ/m2, coefficient of friction 0.12.
Embodiment 3
80kg ultra-high molecular weight polyethylene (viscosity-average molecular weight 3,000,000), 20kg high density polyethylene (HDPE) (1300J), 3kg expanded graphite (volumetric expansion multiple 200 times) are joined in rubber and plastic banbury, it it is 150 DEG C in temperature, rotating speed is banburying 10min under conditions of 60rpm, then by crusher in crushing, finally by double screw extruder extruding pelletization, obtain expanded graphite modified injection grade ultra-high molecular weight polyethylene composite material.Extruder temperature is 220 DEG C, and screw speed is 200rpm.Melt index 2.2g/10min of gained super-high molecular weight polythene blending modified compound, hot strength 28MPa, simply supported beam notch impact strength 75kJ/m2, coefficient of friction 0.18.
Embodiment 4
80kg ultra-high molecular weight polyethylene (viscosity-average molecular weight 3,000,000), 20kg high density polyethylene (HDPE) (1300J), 5kg expanded graphite (volumetric expansion multiple 300 times) are joined in rubber and plastic banbury, it it is 130 DEG C in temperature, rotating speed is banburying 10min under conditions of 50rpm, then by crusher in crushing, finally by double screw extruder extruding pelletization, obtain expanded graphite modified injection grade ultra-high molecular weight polyethylene composite material.Extruder temperature is 200 DEG C, and screw speed is 160rpm.Melt index 2.8g/10min of gained super-high molecular weight polythene blending modified compound, hot strength 29MPa, simply supported beam notch impact strength 71kJ/m2, coefficient of friction 0.16.
Embodiment 5
70kg ultra-high molecular weight polyethylene (viscosity-average molecular weight 4,000,000), 30kg high density polyethylene (HDPE) (2100J), 3kg expanded graphite (volumetric expansion multiple 200 times) are joined in rubber and plastic banbury, it it is 140 DEG C in temperature, rotating speed is banburying 10min under conditions of 50rpm, then by crusher in crushing, finally by double screw extruder extruding pelletization, obtain expanded graphite modified injection grade ultra-high molecular weight polyethylene composite material.Extruder temperature is 220 DEG C, and screw speed is 120rpm.Melt index 3.8g/10min of gained super-high molecular weight polythene blending modified compound, hot strength 30MPa, simply supported beam notch impact strength 65kJ/m2, coefficient of friction 0.25.
Embodiment 6
70kg ultra-high molecular weight polyethylene (viscosity-average molecular weight 4,000,000), 30kg high density polyethylene (HDPE) (2100J), 5kg expanded graphite (volumetric expansion multiple 300 times) are joined in rubber and plastic banbury, it it is 150 DEG C in temperature, rotating speed is banburying 10min under conditions of 50rpm, then by crusher in crushing, finally by double screw extruder extruding pelletization, obtain expanded graphite modified injection grade ultra-high molecular weight polyethylene composite material.Extruder temperature is 160 DEG C, and screw speed is 200rpm.Melt index 4.3g/10min of gained super-high molecular weight polythene blending modified compound, hot strength 29MPa, simply supported beam notch impact strength 62kJ/m2, coefficient of friction 0.21.
Embodiment described above is only to be described the preferred embodiment of the present invention; not the scope of the present invention is defined; on the premise of designing spirit without departing from the present invention; various deformation that technical scheme is made by those of ordinary skill in the art and improvement, all should fall in the protection domain that claims of the present invention determines.
Claims (3)
1. an expanded graphite modified injection grade ultra-high molecular weight polyethylene, it is characterised in that: it is made up of the ultra-high molecular weight polyethylene that weight ratio is 70～90:10～30:3～5, high density polyethylene (HDPE) and expanded graphite；Described ultra-high molecular weight polyethylene is the product that viscosity-average molecular weight is more than 2,000,000, described high density polyethylene (HDPE) for being 190 DEG C in temperature, pressure be the melt index under the test condition of 2.16kg be the product of 1～30g/10min；Described expanded graphite is the volumetric expansion multiple product more than 200 times.
2. the method for the injection grade ultra-high molecular weight polyethylene that preparation is the most expanded graphite modified, including mixing method, it is characterized in that: first ultra-high molecular weight polyethylene, high density polyethylene (HDPE) and expanded graphite are joined in rubber and plastic banbury, it it is 130～150 DEG C in temperature, rotating speed be under conditions of 40～60rpm banburying less than 10min, then by crusher in crushing, finally by double screw extruder extruding pelletization, expanded graphite modified injection grade ultra-high molecular weight polyethylene is obtained.
The preparation method of expanded graphite modified injection grade ultra-high molecular weight polyethylene the most according to claim 2, it is characterised in that: the extruder temperature of described double screw extruder is 160～220 DEG C, and screw speed is 80～200rpm.
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| CN104356486A (en) * | 2014-11-27 | 2015-02-18 | 中国石油化工股份有限公司 | Production method of abrasion-resistant and high-temperature-resistant material for sucker-rod coupling |
| CN105001487B (en) * | 2015-06-29 | 2017-07-07 | 上海化工研究院有限公司 | Multipurpose is molded the preparation method of class super-high molecular weight polyethylene functional composite material |
| CN106476241B (en) * | 2016-12-07 | 2019-05-07 | 北京化工大学 | A kind of method and device improving ultra-high molecular weight polyethylene plasticizing and transportation performance |
| CN109467790A (en) * | 2018-12-27 | 2019-03-15 | 镇江市宜扬密封制品有限公司 | A kind of ultra-high molecular weight polyethylene product |
| CN110951145B (en) * | 2019-12-18 | 2022-09-09 | 大韩道恩高分子材料(上海)有限公司 | Injection molding grade ultra-high molecular weight polyethylene material and preparation method and application thereof |
| CN114213782A (en) * | 2021-12-09 | 2022-03-22 | 安徽嘉阳新材料科技有限公司 | High-wear-resistance decorative film and preparation method thereof |
| WO2024003060A1 (en) * | 2022-07-01 | 2024-01-04 | Sabic Global Technologies B.V. | Polymer composition comprising uhmwpe and hdpe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4281070A (en) * | 1980-01-07 | 1981-07-28 | The Polymer Corporation | Melt processable UHMWPE |
| CN1401694A (en) * | 2002-03-27 | 2003-03-12 | 上海化工研究院 | Special material for modifying extrusion or blow-moulding-class super-high molecular weight polyethylene and preparing process thereof |
| CN102329444A (en) * | 2011-06-05 | 2012-01-25 | 王崇高 | Modified polyethylene resin |
| CN102675715A (en) * | 2012-05-11 | 2012-09-19 | 河北北塑管业有限公司 | Ultra-high molecular weight polyethylene tube and production technique thereof |
| CN102796300A (en) * | 2011-05-24 | 2012-11-28 | 上海上丰集团有限公司 | Ultra-high molecular weight polyethylene composite pipe, and raw materials and preparation method thereof |
-
2014
- 2014-01-27 CN CN201410039847.0A patent/CN103772796B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4281070A (en) * | 1980-01-07 | 1981-07-28 | The Polymer Corporation | Melt processable UHMWPE |
| CN1401694A (en) * | 2002-03-27 | 2003-03-12 | 上海化工研究院 | Special material for modifying extrusion or blow-moulding-class super-high molecular weight polyethylene and preparing process thereof |
| CN102796300A (en) * | 2011-05-24 | 2012-11-28 | 上海上丰集团有限公司 | Ultra-high molecular weight polyethylene composite pipe, and raw materials and preparation method thereof |
| CN102329444A (en) * | 2011-06-05 | 2012-01-25 | 王崇高 | Modified polyethylene resin |
| CN102675715A (en) * | 2012-05-11 | 2012-09-19 | 河北北塑管业有限公司 | Ultra-high molecular weight polyethylene tube and production technique thereof |
Non-Patent Citations (1)
| Title |
|---|
| 膨胀石墨在聚合物中的分散及其复合材料的结构与性能的研究;王磊磊;《中国博士学位论文全文数据库 工程科技I辑》;中国学术期刊（光盘版）电子杂志社;20121015(第10期);摘要第I页第1-2段 * |
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