CN107446243A - 一种改性白石墨烯复合聚丙烯管材及其制备方法 - Google Patents
一种改性白石墨烯复合聚丙烯管材及其制备方法 Download PDFInfo
- Publication number
- CN107446243A CN107446243A CN201710713906.1A CN201710713906A CN107446243A CN 107446243 A CN107446243 A CN 107446243A CN 201710713906 A CN201710713906 A CN 201710713906A CN 107446243 A CN107446243 A CN 107446243A
- Authority
- CN
- China
- Prior art keywords
- graphite alkene
- white graphite
- modified white
- preparation
- composite polypropylene
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
- C09J183/06—Polysiloxanes containing silicon bound to oxygen-containing groups
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/08—Ingredients agglomerated by treatment with a binding agent
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
-
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
-
- 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
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
-
- 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
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/134—Phenols containing ester groups
- C08K5/1345—Carboxylic esters of phenolcarboxylic acids
-
- 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
-
- 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
- C08K7/00—Use of ingredients characterised by shape
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
-
- 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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/14—Solid materials, e.g. powdery or granular
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/382—Boron-containing compounds and nitrogen
- C08K2003/385—Binary compounds of nitrogen with boron
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/006—Additives being defined by their surface area
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/008—Additives improving gas barrier properties
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/14—Gas barrier composition
-
- 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
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Sealing Material Composition (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
本发明涉及塑料管道技术领域,具体公开了一种改性白石墨烯复合聚丙烯管材,该管材其原料组成按重量份配比为100份聚丙烯树脂、0.1~10份改性白石墨烯、0.05~1份抗氧剂、0.05‑1份分散剂。还公开了该管材的制备方法,具体包括改性白石墨烯的制备、改性白石墨烯与聚丙烯树脂的共混、改性白石墨烯聚丙烯母粒的制备、挤出成型。本发明制备的改性白石墨烯复合聚丙烯管材与现有的聚丙烯管材相比,0℃低温抗冲击性能提高达350%以上,拉伸断裂强度提高达30%,维卡耐热温度提高达5℃,透氧率降低达40%,同时导热性与耐腐蚀性良好,且易于加工、成本较低,具有很强的实用性。
Description
技术领域
本发明涉及塑料管道技术领域,具体涉及一种改性白石墨烯复合聚丙烯管材及其制备方法。
背景技术
聚丙烯是由丙烯聚合制得的一种热塑性树脂,是五大通用塑料之一,被广泛应用于各种高性能管材中。聚丙烯具有密度小、耐疲劳、耐化学腐蚀、耐应力开裂及易于成型加工等优点,缺点是耐低温冲击性差,较易老化。
随着聚丙烯管材越来越多的应用于建筑物的冷热水***、采暖***、输送或排放化学介质等工业用管道***,对管材的抗压及低温抗冲击性能、阻氧性、热稳定性、耐腐蚀性等特定性能的要求也日益提高,因此如何对聚丙烯进行改性,使其在保持原有性能的基础上对特定性能进行改善,成为一个重要的研究课题。
在现有的研究和专利中,通常采用其他塑料、橡胶或弹性体与聚丙烯共混进行改性,可提高其耐冲击性,但拉伸强度和弯曲强度会大幅降低。还有通过添加特定晶型的成核剂控制聚丙烯的晶型来实现聚丙烯的高性能化。如专利CN104086887A采用新型微纳米尺度的成核剂对聚丙烯进行耐候、耐冲击改性,但由于成核剂具有很高的表面能,极易团聚,同时与基体材料相容性差,从而影响聚丙烯的性能。
发明内容
有鉴于此,有必要针对上述问题,提供一种改性白石墨烯复合聚丙烯管材及其制备方法。
为实现上述目的,本发明采取以下技术方案:
本发明的改性白石墨烯复合聚丙烯管材,其原料按重量份组成为100份聚丙烯树脂、0.1~10份改性白石墨烯、0.05~1份抗氧剂、0.05-1份分散剂。
作为优选的,所述改性白石墨烯复合聚丙烯管材,其原料按重量份组成为100份聚丙烯树脂、1~7份改性白石墨烯、0.1~0.5份抗氧剂、0.1-0.5份分散剂。
进一步的,所述聚丙烯树脂为管材级无规共聚聚丙烯树脂、均聚聚丙烯树脂、嵌段共聚聚丙烯树脂中的一种或多种。
进一步的,所述抗氧剂为亚磷酸酯抗氧剂、受阻酚抗氧剂中的一种或多种。
进一步的,所述分散剂为硬脂酸、石蜡、聚乙烯蜡中的一种或多种。
进一步的,所述改性白石墨烯为选用5-10层的白石墨烯用0.1-0.5%表面活性剂水溶液浸泡22-26小时,经离心、真空干燥后得到。
作为优选的,所述改性白石墨烯为选用10层的白石墨烯用0.1%表面活性剂水溶液浸泡24小时,经离心、真空干燥后得到。
进一步的,所述表面活性剂包括长链路易斯碱、长链路易斯酸、季铵化物、磺酸化物、非离子型表面活性剂中的一种或多种。
作为优选的,所述长链路易斯碱为胺类;所述长链路易斯酸为硼烷类;所述季铵化物包括烷基三甲基季铵盐、烷基二甲基苄基季铵盐、二烷基二甲基季铵盐;所述磺酸化物包括十二烷基苯磺酸钠、十二烷基磺酸钠、木质素磺酸钠;所述非离子型表面活性剂包括聚醚、聚酯、聚乙烯醇、纤维素衍生物。
一种改性白石墨烯复合聚丙烯管材的制备方法,包括:
步骤1)改性白石墨烯的制备:选用5-10层的白石墨烯制备改性白石墨烯;
步骤2)共混:按重量份配比称取聚丙烯树脂、改性白石墨烯、抗氧剂及分散剂,经高速混合机混合均匀;
步骤3)母粒的制备:将步骤2)混合后的原料经双螺杆挤出机熔融挤出,水冷拉条切粒后得到改性白石墨烯聚丙烯母粒;
步骤4)挤出成型:将步骤3)得到的改性白石墨烯聚丙烯母粒,再经管材挤出机挤出成型,得到改性白石墨烯复合聚丙烯管材成品。
进一步的,步骤2)所述共混,为于高速混合机高速分散5-30min。
进一步的,步骤3)所述的母粒的制备过程,双螺杆挤出机各区温度为140-160℃、机头温度为150-170℃。
进一步的,步骤4)中所述管材挤出机挤出成型温度为140-170℃。
与现有技术相比,本发明的有益效果为:
1)经过改性的白石墨烯具有良好的阻气性、强度和耐热性,耐高温可达2000℃,且具有优异的导热性能和化学惰性。本发明的改性白石墨烯复合聚丙烯管材与现有的聚丙烯管材相比,0℃低温抗冲击性能提高200%以上,拉伸断裂强度提高30%,维卡耐热温度提高5℃,透氧率降低40%,同时导热性与耐腐蚀性良好。
2)本发明的改性白石墨烯复合聚丙烯管材可充分利用塑料改性、成型加工产业上的现有设备,易于加工、成本较低,可广泛应用于建筑物的冷热水***、采暖***、输送或排放化学介质等工业用管道***,具有很大的实用价值。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚,下面将结合本发明实施例,对本发明的技术方案作进一步清楚、完整地描述。需要说明的是,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做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例1
步骤1)改性白石墨烯的制备:选用5-10层的白石墨烯用0.1%聚乙烯醇水溶液浸泡24小时,经离心、真空干燥后得改性白石墨烯;
步骤2)共混:按重量份数分别称取100份管材级无规共聚聚丙烯树脂、0.1份改性白石墨烯、0.1份受阻酚抗氧剂1010以及0.1份硬脂酸经高速混合机均匀混合10min;
步骤3)母粒的制备:将步骤2)均匀混合后的原料经双螺杆挤出机熔融挤出,挤出机各区温度145℃、机头温度150℃,再经水冷拉条切粒后得到改性白石墨烯聚丙烯母粒;
步骤4)挤出成型:将步骤3)得到的改性白石墨烯聚丙烯母粒再经管材挤出机挤出成型,挤出温度为150℃,得到改性白石墨烯复合聚丙烯管材成品。
实施例2
步骤1)改性白石墨烯的制备:选用5-10层的白石墨烯用0.1%油胺水溶液浸泡24小时,经离心、真空干燥后得改性白石墨烯;
步骤2)共混:按重量份数分别称取100份管材级无规共聚聚丙烯树脂、1份改性白石墨烯、0.3份受阻酚抗氧剂1010以及0.3份聚乙烯蜡经高速混合机均匀混合10min;
步骤3)母粒的制备:将步骤2)均匀混合后的原料经双螺杆挤出机熔融挤出,挤出机各区温度150℃、机头温度170℃,再经水冷拉条切粒后得到改性白石墨烯聚丙烯母粒;
步骤4)挤出成型:将步骤3)得到的改性白石墨烯聚丙烯母粒再经管材挤出机挤出成型,挤出温度为155℃,得到改性白石墨烯复合聚丙烯管材成品。
实施例3
步骤1)改性白石墨烯的制备:选用5-10层的白石墨烯用0.4%油胺水溶液浸泡24小时,经离心、真空干燥后得改性白石墨烯;
步骤2)共混:按重量份数分别称取100份管材级均聚聚丙烯树脂、3份改性白石墨烯、0.5份亚磷酸酯抗氧剂168以及0.5份硬脂酸经高速混合机均匀混合15min;
步骤3)母粒的制备:将步骤2)均匀混合后的原料经双螺杆挤出机熔融挤出,挤出机各区温度155℃、机头温度170℃,再经水冷拉条切粒后得到改性白石墨烯聚丙烯母粒;
步骤4)挤出成型:将步骤3)得到的改性白石墨烯聚丙烯母粒再经管材挤出机挤出成型,挤出温度为160℃,得到改性白石墨烯复合聚丙烯管材成品。
实施例4
步骤1)改性白石墨烯的制备:选用5-10层的白石墨烯用0.5%十二烷基磺酸钠水溶液浸泡24小时,经离心、真空干燥后得改性白石墨烯;
步骤2)共混:按重量份数分别称取100份管材级嵌段共聚聚丙烯、6份改性白石墨烯、0.2份亚磷酸酯抗氧剂168、0.1份受阻酚抗氧剂1010以及0.3份石蜡经高速混合机均匀混合25min;
步骤3)母粒的制备:将步骤2)均匀混合后的原料经双螺杆挤出机熔融挤出,挤出机各区温度160℃、机头温度170℃,再经水冷拉条切粒后得到改性白石墨烯聚丙烯母粒;
步骤4)挤出成型:将步骤3)得到的改性白石墨烯聚丙烯母粒再经管材挤出机挤出成型,挤出温度为170℃,得到改性白石墨烯复合聚丙烯管材成品。
对比实施例1
对比实施例1为市售的无规共聚聚丙烯管材。
表1中为市售的无规共聚聚丙烯管材和实施例1-4中所制备的改性白石墨烯复合聚丙烯管材的性能参数:
表1对比例和实施例1-4的聚丙烯管材性能测试结果
与市售的普通聚丙烯管材性能相比,本发明制备的改性白石墨烯复合聚丙烯管材,0℃低温抗冲击性能提高达350%以上,拉伸断裂强度提高达30%,维卡耐热温度提高达5℃,透氧率降低达40%,同时导热性与耐腐蚀性良好,且易于加工、成本较低,具有很强的实用性。
以上所述实施例仅表达了本发明的几种实施方式,其描述较为具体和详细,但并不能因此而理解为对本发明专利范围的限制。应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。因此,本发明专利的保护范围应以所附权利要求为准。
Claims (10)
1.一种改性白石墨烯复合聚丙烯管材,其特征在于,其原料按重量份组成为100份聚丙烯树脂、0.1~10份改性白石墨烯、0.05~1份抗氧剂、0.05-1份分散剂。
2.根据权利要求1所述的改性白石墨烯复合聚丙烯管材,其特征在于,所述聚丙烯树脂为管材级无规共聚聚丙烯树脂、均聚聚丙烯树脂、嵌段共聚聚丙烯树脂中的一种或多种。
3.根据权利要求1所述的改性白石墨烯复合聚丙烯管材,其特征在于,所述抗氧剂为亚磷酸抗氧剂、受阻酚抗氧剂中的一种或多种。
4.根据权利要求1所述的改性白石墨烯复合聚丙烯管材,其特征在于,所述分散剂为硬脂酸、石蜡、聚乙烯蜡中的一种或多种。
5.根据权利要求1-4任意一项所述的改性白石墨烯复合聚丙烯管材,其特征在于,所述改性白石墨烯为选用5-10层的白石墨烯用0.1-0.5%表面活性剂水溶液浸泡22-26小时,经离心、真空干燥后得到。
6.根据权利要求5所述的改性白石墨烯复合聚丙烯管材,其特征在于,所述表面活性剂包括长链路易斯碱、长链路易斯酸、季铵化物、磺酸化物、非离子型表面活性剂中的一种或多种。
7.根据权利要求6所述的改性白石墨烯复合聚丙烯管材,其特征在于,所述长链路易斯碱为胺类;所述长链路易斯酸为硼烷类;所述季铵化物包括烷基三甲基季铵盐、烷基二甲基苄基季铵盐、二烷基二甲基季铵盐;所述磺酸化物为十二烷基苯磺酸钠、十二烷基磺酸钠、木质素磺酸钠;所述非离子型表面活性剂为聚醚、聚酯、聚乙烯醇、纤维素衍生物。
8.一种改性白石墨烯复合聚丙烯管材的制备方法,包括:
步骤1)改性白石墨烯的制备:选用5-10层的白石墨烯制备改性白石墨烯;
步骤2)共混:按重量份配比称取聚丙烯树脂、改性白石墨烯、抗氧剂及分散剂,经高速混合机混合均匀;
步骤3)母粒的制备:将步骤2)混合后的原料经双螺杆挤出机熔融挤出,水冷拉条切粒后得到改性白石墨烯聚丙烯母粒;
步骤4)挤出成型:将步骤3)得到的改性白石墨烯聚丙烯母粒,再经管材挤出机挤出成型,得到改性白石墨烯复合聚丙烯管材成品。
9.根据权利要求8所述的改性白石墨烯复合聚丙烯管材的制备方法,其特征在于,步骤2)所述共混,为于高速混合机高速分散5-30min。
10.根据权利要求8所述的改性白石墨烯复合聚丙烯管材的制备方法,其特征在于,步骤3)所述的母粒的制备过程,双螺杆挤出机各区温度为140-160℃,机头温度为150-170℃;步骤4)中所述管材挤出机挤出成型温度为140-170℃。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2016107036751 | 2016-08-22 | ||
CN201610703675.1A CN106281205A (zh) | 2016-08-22 | 2016-08-22 | 一种高阻气性能的复合硅酮密封胶及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107446243A true CN107446243A (zh) | 2017-12-08 |
Family
ID=57661124
Family Applications (7)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610703675.1A Pending CN106281205A (zh) | 2016-08-22 | 2016-08-22 | 一种高阻气性能的复合硅酮密封胶及其制备方法 |
CN201710714421.4A Pending CN107383752A (zh) | 2016-08-22 | 2017-08-18 | 一种改性白石墨烯复合abs材料及其制备方法 |
CN201710713133.7A Pending CN107383545A (zh) | 2016-08-22 | 2017-08-18 | 一种改性白石墨烯复合聚乙烯管材及其制备方法 |
CN201710713884.9A Active CN107383612B (zh) | 2016-08-22 | 2017-08-18 | 一种改性白石墨烯复合聚丙烯铝塑稳态管材及其制备方法 |
CN201710713907.6A Pending CN107383693A (zh) | 2016-08-22 | 2017-08-18 | 一种改性白石墨烯复合硬质聚氯乙烯管材及其制备方法 |
CN201710714408.9A Pending CN107541179A (zh) | 2016-08-22 | 2017-08-18 | 一种高阻气性能的复合硅酮密封胶及其制备方法 |
CN201710713906.1A Pending CN107446243A (zh) | 2016-08-22 | 2017-08-18 | 一种改性白石墨烯复合聚丙烯管材及其制备方法 |
Family Applications Before (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610703675.1A Pending CN106281205A (zh) | 2016-08-22 | 2016-08-22 | 一种高阻气性能的复合硅酮密封胶及其制备方法 |
CN201710714421.4A Pending CN107383752A (zh) | 2016-08-22 | 2017-08-18 | 一种改性白石墨烯复合abs材料及其制备方法 |
CN201710713133.7A Pending CN107383545A (zh) | 2016-08-22 | 2017-08-18 | 一种改性白石墨烯复合聚乙烯管材及其制备方法 |
CN201710713884.9A Active CN107383612B (zh) | 2016-08-22 | 2017-08-18 | 一种改性白石墨烯复合聚丙烯铝塑稳态管材及其制备方法 |
CN201710713907.6A Pending CN107383693A (zh) | 2016-08-22 | 2017-08-18 | 一种改性白石墨烯复合硬质聚氯乙烯管材及其制备方法 |
CN201710714408.9A Pending CN107541179A (zh) | 2016-08-22 | 2017-08-18 | 一种高阻气性能的复合硅酮密封胶及其制备方法 |
Country Status (2)
Country | Link |
---|---|
CN (7) | CN106281205A (zh) |
WO (1) | WO2018036427A1 (zh) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107981444A (zh) * | 2018-01-02 | 2018-05-04 | 山东省圣泉生物质石墨烯研究院 | 一种抗菌增氧口罩及其制备方法 |
CN108384114A (zh) * | 2018-03-08 | 2018-08-10 | 广东纳路纳米科技有限公司 | 复合聚丙烯材料及其制备方法 |
CN108504128A (zh) * | 2018-03-08 | 2018-09-07 | 广东纳路纳米科技有限公司 | 白石墨烯改性lcp复合材料及其制备方法 |
CN109796682A (zh) * | 2018-12-18 | 2019-05-24 | 武汉金牛经济发展有限公司 | 增韧耐热ppr管材及其制备方法 |
CN110255513A (zh) * | 2019-06-19 | 2019-09-20 | 常州兴烯石墨烯科技有限公司 | 一种亲水改性白石墨烯及其制备方法 |
CN112111105A (zh) * | 2020-08-28 | 2020-12-22 | 安徽越洋达新能源科技有限公司 | 一种高强度电源支架 |
CN112694671A (zh) * | 2020-12-28 | 2021-04-23 | 福建恒杰塑业新材料有限公司 | 一种耐老化抗冲击自洁聚丙烯复合管的制作方法 |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106281205A (zh) * | 2016-08-22 | 2017-01-04 | 广东纳路纳米科技有限公司 | 一种高阻气性能的复合硅酮密封胶及其制备方法 |
CN108239358B (zh) * | 2018-02-26 | 2020-12-18 | 深圳市友晖电子科技有限公司 | 一种氧化锌/石墨烯复合材料改性pvc型材及其制备方法 |
CN108503972A (zh) * | 2018-03-08 | 2018-09-07 | 广东纳路纳米科技有限公司 | 复合聚乙烯材料及其制备方法 |
CN108485347B (zh) * | 2018-03-22 | 2020-07-31 | 广东纳路纳米科技有限公司 | 防火涂料及其制备方法 |
CN108728036A (zh) * | 2018-05-02 | 2018-11-02 | 中国航发北京航空材料研究院 | 一种单组分石墨烯耐高温脱酸型硅酮密封胶及其制备方法 |
CN108795367A (zh) * | 2018-06-28 | 2018-11-13 | 芜湖市棠华建材科技有限公司 | 中性室温硫化硅酮密封胶 |
CN108977166A (zh) * | 2018-06-28 | 2018-12-11 | 芜湖市棠华建材科技有限公司 | 一种硅酮密封胶及其制备方法 |
CN109575872A (zh) * | 2018-11-08 | 2019-04-05 | 佛山市真由美化工建材有限公司 | 一种耐高温防霉硅酮密封胶及其制备方法 |
CN110791041A (zh) * | 2019-11-04 | 2020-02-14 | 安徽杰蓝特新材料有限公司 | 一种增强型硬质聚氯乙烯电缆管 |
CN111303514A (zh) * | 2020-01-08 | 2020-06-19 | 武汉金牛经济发展有限公司 | 一种高稳定性阻氧管材的制备方法 |
CN111302462A (zh) * | 2020-04-16 | 2020-06-19 | 清有生态科技(上海)有限公司 | 一种制罐工艺废水预处理剂其制备方法 |
CN111777978A (zh) * | 2020-05-11 | 2020-10-16 | 福建俊达装配材料有限公司 | 一种不易老化且绿色环保的ms胶及其制备方法 |
CN111978915A (zh) * | 2020-09-02 | 2020-11-24 | 湖州冠居金属装饰材料股份有限公司 | 一种隔热、耐高温高湿的铜门密封胶的制备方法 |
CN112341706A (zh) * | 2020-11-05 | 2021-02-09 | 上海荣腾包装服务有限公司 | 一种石塑聚丙烯管材及其制备方法 |
CN112662371A (zh) * | 2020-12-18 | 2021-04-16 | 科建高分子材料(上海)股份有限公司 | 一种填缝用单组分高强度自流平中性硅酮密封胶 |
CN112679824B (zh) * | 2020-12-22 | 2022-04-19 | 安徽杰蓝特新材料有限公司 | 一种增强耐磨pe排水管及其制备方法 |
CN112920766B (zh) * | 2021-01-30 | 2022-11-04 | 高时(厦门)石业有限公司 | 一种双组份抗菌硅酮密封胶及其制备方法 |
CN113248825B (zh) * | 2021-04-27 | 2022-04-12 | 安徽杰蓝特新材料有限公司 | 一种石墨烯改性高效导热热源地暖管材的制备方法 |
CN113322039B (zh) * | 2021-05-24 | 2023-02-03 | 烟台德邦科技股份有限公司 | 一种单组分硅烷改性聚醚导热材料及其制备方法 |
CN114992395A (zh) * | 2022-06-23 | 2022-09-02 | 广东东方管业有限公司 | 改性聚乙烯耐磨复合管及其成型工艺 |
CN115044346B (zh) * | 2022-07-01 | 2024-04-12 | 安徽华晟新能源科技有限公司 | 密封材料及其制备方法、太阳能电池组件 |
CN115124797A (zh) * | 2022-08-22 | 2022-09-30 | 鄂尔多斯市东澳管业有限公司 | 一种石墨烯复合硬聚氯乙烯管材及其制备方法 |
CN115678492B (zh) * | 2022-11-23 | 2023-06-16 | 江西天永诚高分子材料有限公司 | 一种太阳能光伏组件双组份密封胶及其制备方法 |
CN115816931A (zh) * | 2022-11-30 | 2023-03-21 | 广东东方广厦模块化建筑有限公司 | 一种耐热耐磨复合板及其制备方法 |
CN116003891B (zh) * | 2022-12-14 | 2024-06-18 | 重庆伟星新型建材有限公司 | 一种用于园林花卉种植采暖的管材及其制备方法 |
CN115873500A (zh) * | 2022-12-28 | 2023-03-31 | 中国海洋石油集团有限公司 | 石墨烯导热胶及其制备方法和应用 |
CN116042174B (zh) * | 2023-02-25 | 2023-12-05 | 常熟市江南粘合剂有限公司 | 一种耐油硅酮密封胶及其制备方法与应用 |
CN116622333B (zh) * | 2023-07-25 | 2023-09-15 | 山东沃赛新材料科技有限公司 | 一种高倍防霉脱醇型美容收边胶的制备方法 |
CN117070166B (zh) * | 2023-08-08 | 2024-04-02 | 德州科顺建筑材料有限公司 | 胶层组合物、聚烯烃防水卷材及其制备方法和应用 |
CN117070186B (zh) * | 2023-10-18 | 2023-12-26 | 山东景茂新材料有限公司 | 一种醇型硅酮密封胶的制备方法 |
CN117700609A (zh) * | 2023-12-12 | 2024-03-15 | 青岛拓普石油化工有限公司 | 一种固化型耐高温高压螺纹密封剂 |
CN118006291A (zh) * | 2024-04-10 | 2024-05-10 | 临朐县金迪胶业有限公司 | 一种适用于光伏组件的耐湿热硅酮结构胶 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104151664A (zh) * | 2014-05-07 | 2014-11-19 | 武汉金牛经济发展有限公司 | 一种用石墨烯改性的聚乙烯复合管材的制备方法 |
CN105131385A (zh) * | 2015-07-29 | 2015-12-09 | 天津金发新材料有限公司 | 一种高阻氧高强的聚烯烃导热管材及其制备方法 |
CN106117649A (zh) * | 2016-08-22 | 2016-11-16 | 广东纳路纳米科技有限公司 | 一种改性纳米复合橡胶材料及其制备 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8303922B2 (en) * | 2009-08-24 | 2012-11-06 | The United States Of America As Represeted By The Administrator Of The National Aeronautics And Space Administration | Method for exfoliation of hexagonal boron nitride |
US9441076B2 (en) * | 2009-11-12 | 2016-09-13 | The Trustees Of Princeton University | Multifunctional graphene-silicone elastomer nanocomposite, method of making the same, and uses thereof |
CN102532906A (zh) * | 2010-12-30 | 2012-07-04 | 比亚迪股份有限公司 | 一种有机硅组合物及其制备方法 |
CN102532629B (zh) * | 2011-12-30 | 2013-06-05 | 北京化工大学 | 完全剥离的氧化石墨烯/橡胶纳米复合材料的制备方法 |
CN103937259B (zh) * | 2014-04-04 | 2017-02-15 | 东莞市柏力有机硅科技有限公司 | 一种氧化石墨烯改性复合型导热硅橡胶及其制备方法 |
CN104004294A (zh) * | 2014-05-07 | 2014-08-27 | 武汉金牛经济发展有限公司 | 一种用石墨烯改性的硬质聚氯乙烯复合管材的制备方法 |
CN106281205A (zh) * | 2016-08-22 | 2017-01-04 | 广东纳路纳米科技有限公司 | 一种高阻气性能的复合硅酮密封胶及其制备方法 |
CN106281126B (zh) * | 2016-08-31 | 2017-12-29 | 广东纳路纳米科技有限公司 | 中空玻璃用改性白石墨烯复合丁基密封胶及其密封方法 |
-
2016
- 2016-08-22 CN CN201610703675.1A patent/CN106281205A/zh active Pending
-
2017
- 2017-08-18 CN CN201710714421.4A patent/CN107383752A/zh active Pending
- 2017-08-18 CN CN201710713133.7A patent/CN107383545A/zh active Pending
- 2017-08-18 CN CN201710713884.9A patent/CN107383612B/zh active Active
- 2017-08-18 WO PCT/CN2017/098068 patent/WO2018036427A1/zh active Application Filing
- 2017-08-18 CN CN201710713907.6A patent/CN107383693A/zh active Pending
- 2017-08-18 CN CN201710714408.9A patent/CN107541179A/zh active Pending
- 2017-08-18 CN CN201710713906.1A patent/CN107446243A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104151664A (zh) * | 2014-05-07 | 2014-11-19 | 武汉金牛经济发展有限公司 | 一种用石墨烯改性的聚乙烯复合管材的制备方法 |
CN105131385A (zh) * | 2015-07-29 | 2015-12-09 | 天津金发新材料有限公司 | 一种高阻氧高强的聚烯烃导热管材及其制备方法 |
CN106117649A (zh) * | 2016-08-22 | 2016-11-16 | 广东纳路纳米科技有限公司 | 一种改性纳米复合橡胶材料及其制备 |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107981444A (zh) * | 2018-01-02 | 2018-05-04 | 山东省圣泉生物质石墨烯研究院 | 一种抗菌增氧口罩及其制备方法 |
CN108384114A (zh) * | 2018-03-08 | 2018-08-10 | 广东纳路纳米科技有限公司 | 复合聚丙烯材料及其制备方法 |
CN108504128A (zh) * | 2018-03-08 | 2018-09-07 | 广东纳路纳米科技有限公司 | 白石墨烯改性lcp复合材料及其制备方法 |
CN108504128B (zh) * | 2018-03-08 | 2020-10-23 | 广东纳路纳米科技有限公司 | 白石墨烯改性lcp复合材料及其制备方法 |
CN109796682A (zh) * | 2018-12-18 | 2019-05-24 | 武汉金牛经济发展有限公司 | 增韧耐热ppr管材及其制备方法 |
CN109796682B (zh) * | 2018-12-18 | 2021-08-17 | 武汉金牛经济发展有限公司 | 增韧耐热ppr管材及其制备方法 |
CN110255513A (zh) * | 2019-06-19 | 2019-09-20 | 常州兴烯石墨烯科技有限公司 | 一种亲水改性白石墨烯及其制备方法 |
CN112111105A (zh) * | 2020-08-28 | 2020-12-22 | 安徽越洋达新能源科技有限公司 | 一种高强度电源支架 |
CN112694671A (zh) * | 2020-12-28 | 2021-04-23 | 福建恒杰塑业新材料有限公司 | 一种耐老化抗冲击自洁聚丙烯复合管的制作方法 |
Also Published As
Publication number | Publication date |
---|---|
CN107541179A (zh) | 2018-01-05 |
CN107383612A (zh) | 2017-11-24 |
WO2018036427A1 (zh) | 2018-03-01 |
CN106281205A (zh) | 2017-01-04 |
CN107383612B (zh) | 2022-03-29 |
CN107383693A (zh) | 2017-11-24 |
CN107383545A (zh) | 2017-11-24 |
CN107383752A (zh) | 2017-11-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107446243A (zh) | 一种改性白石墨烯复合聚丙烯管材及其制备方法 | |
CN105504498B (zh) | 一种注塑级聚丙烯微孔发泡复合材料及其制备方法 | |
CN106380711B (zh) | 一种玻纤增强阻燃聚苯乙烯树脂组合物及其制备方法 | |
CN102408610A (zh) | 一种功能性聚乙烯管材及其制备方法 | |
CN105273314A (zh) | 一种聚丙烯发泡隔热材料及其制备方法 | |
CN104292741A (zh) | 一种abs复合材料及其制备方法 | |
CN110283384A (zh) | 一种高光泽高强度玄武岩增强聚丙烯复合材料及制备方法 | |
CN109354774A (zh) | 聚丙烯增韧保温复合材料及其制备方法 | |
CN102977443B (zh) | 一种碳素纤维刚性电缆工程管 | |
CN106519445A (zh) | 一种高刚耐热聚丙烯复合材料及其制备方法 | |
CN102506241A (zh) | 保温阻氧抗菌高抗冲聚丙烯管材及其制造方法 | |
CN104371174A (zh) | 一种耐酸腐蚀医用合金材料及其制备方法 | |
CN108017820A (zh) | 一种纤维增强高密度聚乙烯/石墨烯复合材料及其制备方法 | |
CN103205044A (zh) | 一种硅烷接枝聚乙烯导热复合材料及其制备方法和应用 | |
CN104448772B (zh) | 一种用于家用电器壳体的复合材料 | |
CN107033434B (zh) | 高强度抗静电管材及其制备方法 | |
CN104927220A (zh) | 一种聚苯乙烯复合材料的制备方法 | |
CN104387680A (zh) | 一种具有高抗冲性能的pp-r管材及其制备方法 | |
CN108047573B (zh) | 一种ppr管材专用料及其制备方法 | |
CN104672692A (zh) | 一种聚乙烯发泡母料及其制备方法 | |
CN104177724A (zh) | 一种改性导电型硬质交联聚氯乙烯泡沫及其制备方法 | |
CN109354777A (zh) | 低翘曲聚丙烯复合材料及其制备方法 | |
CN103613853A (zh) | 一种透明玻纤增强聚丙烯复合材料及其制备方法 | |
CN110591345B (zh) | 一种类铝线性膨胀系数的导热复合材料及其制备方法 | |
CN108017804A (zh) | 一种纤维增强高密度聚乙烯/石墨/石墨烯复合材料及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171208 |