CN107254087A - 一种增强复合聚乙烯双壁缠绕管及其制备方法 - Google Patents
一种增强复合聚乙烯双壁缠绕管及其制备方法 Download PDFInfo
- Publication number
- CN107254087A CN107254087A CN201710318421.2A CN201710318421A CN107254087A CN 107254087 A CN107254087 A CN 107254087A CN 201710318421 A CN201710318421 A CN 201710318421A CN 107254087 A CN107254087 A CN 107254087A
- Authority
- CN
- China
- Prior art keywords
- pipe
- composite polyethylene
- enhancing
- enhancing composite
- polyethylene
- 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
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
-
- 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
-
- 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
- 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
- C09J11/06—Non-macromolecular additives organic
-
- 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
- C09J11/08—Macromolecular additives
-
- 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
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/04—Homopolymers or copolymers of ethene
- C09J123/06—Polyethene
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies
-
- 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
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
- 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
- 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
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- 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
- C08L2205/24—Crystallisation aids
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
本发明涉及管道技术领域,具体地说,是一种增强复合聚乙烯双壁(又名中空壁)缠绕管及其制备方法,所述的增强复合聚乙烯双壁缠绕管由增强复合聚乙烯中空矩形管经螺旋缠绕并用粘接胶条粘接而成。本发明通过对复合聚乙烯双壁缠绕管原材料配方和制备方法的改变,克服了现有聚乙烯双壁缠绕管的缺点,显著提高了聚乙烯双壁缠绕管的韧性和刚性,提高了产品的耐高温性和化学稳定性,降低缠绕管的收缩率,提高了尺寸稳定性;由于起增强作用的聚丙烯的结晶度要比聚乙烯高许多,且在本发明配方中又加入了提高结晶度和结晶速度的成核剂作为改性助剂,在实际生产时,显著提高了产品的冷却成型速度,由此大大提高了生产效率,节约了生产成本。
Description
技术领域
本发明涉及管道技术领域,具体地说,是一种增强复合聚乙烯双壁(又名中空壁)缠绕管及其制备方法。
背景技术
高密度聚乙烯双壁缠绕管以高密度聚乙烯(HDPE)为主要原料,采用特殊挤出工艺在热熔状态下缠绕而成,其轴向管壁截面为双壁工字形,内壁致密光滑,中空,管材本身质量轻而强度高。由于其独特的成型工艺,可生产口径达3000mm 的大口径管材。作为一种新型的化学建材,HDPE双壁缠绕管具有重量轻、耐腐蚀、管壁光滑、过流能力大等优点,在我国城市排水***建设过程中得到大量的应用。
PE管道虽然韧性很好,但是普遍存在刚性差,收缩率大,尺寸稳定性差,耐热温度低等缺点。
中国专利文献CN102691832A公开了一种玻纤增强HDPE双壁缠绕管及其制作方法,由玻纤增强HDPE塑料管经螺旋缠绕并用塑料热熔胶焊接而成,其中的玻纤增强HDPE塑料管为长玻纤的重量百分比含量在5%-40%之间的中空矩形玻纤增强HDPE塑料管。现有技术中的聚乙烯缠绕管的韧性好,耐低温性能优良;但是普遍具有刚性相对较差,耐热温度低,收缩率大,尺寸稳定性较差,耐光老化性能差等缺点,且成本较高。
发明内容
本发明的目的在于克服现有技术中的缺点,提供一种增强复合聚乙烯双壁缠绕管及其制备方法,在保证管材性能的前提下,更好的提高聚乙烯双壁缠绕管的韧性和刚性,提高管材耐热温度、尺寸稳定性和耐光老化性能,同时降低生产成本。
本发明的第一方面,提供一种增强复合聚乙烯双壁缠绕管,所述的增强复合聚乙烯双壁缠绕管由增强复合聚乙烯中空矩形管经螺旋缠绕并用粘接胶条粘接而成,所述的生产增强复合聚乙烯中空矩形管的材料以重量份计包括以下组分:
所述的生产粘接胶条的材料以重量份计包括以下组分:
所述的生产增强复合聚乙烯中空矩形管的材料以重量份计还包括同类回用料2-25份;所述的生产粘结胶条的材料以重量份计还包括同类回用料2-25份;所述的同类回用料是指相同组分的增强复合聚乙烯双壁缠绕管的破碎回料,例如生产出来的尺寸不合格管材破碎回用,其原料配比与上述增强复合聚乙烯双壁缠绕管完全相同,或者是可确定的具有相似组分及性能的其他再生回用料,添加同类回用料可以降低原料成本,避免浪费。
所述的增强复合聚乙烯双壁缠绕管的内径一般为150-3000mm,也可以根据客户需要定制其他尺寸,所述的中空矩形管的空腔尺寸除满足国标要求的任意尺寸之外,也可以根据其他特殊要求需要来进行定制。
所述的高密度聚乙烯的熔融指数为0.08-0.14g/10min(2.16kg),密度为 0.941-0.945g/CC,优选上海金菲的TR-480。
所述的聚丙烯为的熔融指数为≤0.20g/10min(230℃,2.16kg),优选北京燕山石化和南京金陵石化的PPR-ED-001。
所述的线性低密度聚乙烯(LLDPE),主要优选中国石化的7042N。作为韧性调节作用。它在经过充分的拉伸后,由于结晶和取向,使得它对于提高拉伸强度和抗冲击性能有很大帮助。
所述的塑料改性助剂为成核剂,选自山梨糖醇衍生物类、羧酸盐类成核剂等,用来提高结晶度及结晶的均匀度,使得产品的收缩率变小,有效提高产品的尺寸稳定性等性能。对提高生产效率也有较大的作用。
所述的抗氧剂为复合抗氧剂,提高加工稳定性及制品耐久性能;优选复合抗氧剂B215、B225,在产品生产商方面,优选巴斯夫。
所述的增强用填充母料选自以超细活性碳酸钙、滑石粉、或云母为基础制成的功能性填充母料。本发明由于采用了锥形双螺杆结构,所以采用一定目数的粉状填充料,可以大幅降低原料成本。
所述的色母粒就是着色剂,如黑色母粒等。
所述的吸水母粒,也就是消泡剂,功能是吸水。
所述的润滑剂就是在生产过程中起润滑作用的助剂,一般为PE蜡或PP蜡。
所述的粘接胶条与中空矩形管的原料配方相似,可以使粘接胶条与中空矩形管具有良好的相容性,使粘接更加牢固,成品管材的密封性更好。同时考虑到对物理性能的因素,配方比例有部分差异。
本发明的第二方面,提供一种上述任一增强复合聚乙烯双壁缠绕管的制备方法,包括以下步骤:
A、按照所述配方称取配料并混合搅拌分别得到制备增强复合聚乙烯中空矩形管和粘接胶条的混合料;
B、将增强复合聚乙烯中空矩形管混合料放入双螺杆挤出机上,经模具挤出和真空冷却定型,得到增强复合聚乙烯中空矩形管;并使得其在冷却定型前有足够的拉伸取向来保证具有相对高的强度。
C、将粘接胶条混合料放入胶条挤出机中并挤出粘接胶条,将步骤B中的增强复合聚乙烯中空矩形管在管材成型缠绕盘上进行螺旋缠绕,并同时由粘接胶条粘接,冷却成型并切割后,制得所述的增强复合聚乙烯双壁缠绕管。
所述的双螺杆挤出机为锥形双螺杆,螺杆温度控制在180-230℃区间内,转速控制需与生产规格及成型盘的控制速度相匹配。
本发明优点在于:
本发明通过对复合聚乙烯双壁缠绕管原材料配方和制备方法的改变,克服了现有聚乙烯双壁缠绕管的缺点,显著提高了聚乙烯双壁缠绕管的韧性和刚性,提高了产品的耐高温性和化学稳定性,降低缠绕管的收缩率,提高了尺寸稳定性;由于起增强作用的聚丙烯的结晶度要比聚乙烯高许多,且在本发明配方中又加入了提高结晶度和结晶速度的成核剂作为改性助剂,在实际生产时,显著提高了产品的冷却成型速度,由此大大提高了生产效率,节约了生产成本。另外,同类回用料的加入,在保证产品性能的前提下,也大大降低了产品的成本。
具体实施方式
下面结合实施例对本发明提供的具体实施方式作详细说明。
以下实施例中高密度聚乙烯选用上海金菲的TR-480,聚丙烯选用南京金陵石化的PPR-ED-001,线性低密度聚乙烯选用中国石化的7042N,增强用填充母料选用超细活性碳酸钙,润滑剂选用PE蜡,塑料改性助剂选用山梨糖醇衍生物类成核剂,抗氧剂选用巴斯夫复合抗氧剂B215。
实施例a-d
按照所述配方称取配料放入混料机中混合搅拌分别得到制备复合聚乙烯中空矩形管和粘接胶条的混合料;
将复合聚乙烯中空矩形管混合料放入锥形双螺杆挤出机上,螺杆温度控制在180-230℃区间内,经模具挤出和真空冷却定型,得到增强复合聚乙烯中空矩形管;
将粘接胶条混合料放入胶条挤出机中并挤出粘接胶条,将步骤B中的复合聚乙烯中空矩形管在管材成型缠绕盘上进行螺旋缠绕,并同时由粘接胶条粘接,冷却成型并切割后,制得所述的增强复合聚乙烯双壁缠绕管。
表1:实施例a-d及对比例e中复合聚乙烯中空矩形管各原料的配方
注:对比例e是指现有技术中绝大多数企业生产达标HDPE中空壁缠绕管的标准配方,一般都采用单螺杆设备,并且均采用粒料生产。
用实例a-d配方生产的产品与对比例e进行全方位比较试验:见表2;
对比例e试验条件:1.同一条生产线;2.相同的工艺(包括温度、熔体压力、真空冷却定型箱的真空度、冷却水温度等等);3.试样的壁厚与每米重量相同;
4.测试条件相同(同一项目在相同的设备上进行检测)。
表2实施例a-d及对比例e产品之间各种性能及***格比较表
从表2中可以看出:
1.冷却成型速度随着聚丙烯的用量提高而加快;由于起增强作用的聚丙烯的结晶度要比聚乙烯高许多,且在本发明配方中又加入了提高结晶度和结晶速度的成核剂作为改性助剂,在实际生产时,显著提高了产品的冷却成型速度,由此大大提高了生产效率,节约了生产成本。
2.由于聚丙烯的结构特性及物理特性,制品的柔韧性会随着聚丙烯的用量提高而降低;也随着填充母料的增加而降低。
3.在一定范围内,制品的环刚度会随着聚丙烯用量的增加而提高;也会随着填充母料的增加而提高;但必须兼顾柔韧性及其他性能要满足标准要求才行。
4.由于聚丙烯原料的特性,耐热温度要明显高于聚乙烯;所以不难得出在上面实施例中,耐热温度随着聚丙烯的用量增加而提高。
5.在抗冲击性能方面,聚丙烯用量在一定的范围内都能满足抗冲试验要求;但单单从测试数据方面来讲,随着聚丙烯用量的提升,制品的冲击性能也会随之下降;填充料就更加明显。
6.由于聚丙烯原料的高结晶度特性,且又有成核剂作改性助剂配合,所以,在实施例中可以看到,在一定范围内,随着聚丙烯用量的增加和填充母料的增加,制品的尺寸稳定性也相应提高。但这必须兼顾产品的其他性能指标满足标准要求才行。
7.从配方成本上看,由于聚丙烯原料要比聚乙烯低很多,所以加入聚丙烯会明显降低生产成本;且本发明在填充母料的选择上要比原现有技术采用的填充母料有相当大的价格优势,所以在配方总成本上,本发明有着明显的价格优势。
8.由于本发明的产品冷却成型速度大大优于原有技术,使得生产速度和效率高于原有技术约40%,大大降低了生产成本。
以上已对本发明创造的较佳实施例进行了具体说明,但本发明创造并不限于所述实施例,熟悉本领域的技术人员在不违背本发明创造精神的前提下还可做出种种的等同的变型或替换,这些等同的变型或替换均包含在本申请权利要求所限定的范围内。
Claims (9)
1.一种增强复合聚乙烯双壁缠绕管,其特征在于,所述的增强复合聚乙烯双壁缠绕管由增强复合聚乙烯中空矩形管经螺旋缠绕并用粘接胶条粘接而成,所述的生产增强复合聚乙烯中空矩形管的材料以重量份计包括以下组分:
所述的生产粘接胶条的材料以重量份计包括以下组分:
2.根据权利要求1所述的增强复合聚乙烯双壁缠绕管,其特征在于,所述的生产增强复合聚乙烯中空矩形管的材料以重量份计还包括同类回用料2-25份;所述的生产粘结胶条的材料以重量份计还包括同类回用料2-25份;所述的同类回用料是指相同组分的增强复合聚乙烯双壁缠绕管的破碎回料。
3.根据权利要求1所述的增强复合聚乙烯双壁缠绕管,其特征在于,所述的高密度聚乙烯的熔融指数为0.08-0.14g/10min,密度为0.941-0.945g/ml。
4.根据权利要求1所述的增强复合聚乙烯双壁缠绕管,其特征在于,所述的聚丙烯的熔融指数为≤0.20g/10min。
5.根据权利要求1所述的增强复合聚乙烯双壁缠绕管,其特征在于,所述的塑料改性助剂为成核剂,选自山梨糖醇衍生物类、羧酸盐类成核剂中的一种或几种的混合物。
6.根据权利要求1所述的增强复合聚乙烯双壁缠绕管,其特征在于,所述的抗氧剂,所述的抗氧剂为复合抗氧剂B215。
7.根据权利要求1所述的增强复合聚乙烯双壁缠绕管,其特征在于,所述的增强用填充母料选自超细活性碳酸钙、滑石粉、或云母中的一种;所述的色母粒为着色用母粒;所述的吸水母粒为消泡剂;所述的润滑剂选自PE蜡或PP蜡。
8.一种如权利要求1-7任一所述的增强复合聚乙烯双壁缠绕管的制备方法,其特征在于,包括以下步骤:
A、按照所述配方称取配料并混合搅拌分别得到制备增强复合聚乙烯中空矩形管和粘接胶条的混合料;
B、将增强复合聚乙烯中空矩形管混合料放入双螺杆挤出机上,经模具挤出和真空及冷却水冷却定型,得到增强复合聚乙烯中空矩形管;
C、将粘接胶条混合料放入胶条挤出机中并挤出粘接胶条,将步骤B中的增强复合聚乙烯中空矩形管在管材成型缠绕盘上进行螺旋缠绕,并同时由粘接胶条粘接,冷却成型并切割后,制得所述的增强复合聚乙烯双壁缠绕管。
9.根据权利要求8所述的增强复合聚乙烯双壁缠绕管的制备方法,其特征在于,所述的双螺杆挤出机为锥形双螺杆,螺杆温度控制在180-230℃区间内。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710318421.2A CN107254087A (zh) | 2017-05-08 | 2017-05-08 | 一种增强复合聚乙烯双壁缠绕管及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710318421.2A CN107254087A (zh) | 2017-05-08 | 2017-05-08 | 一种增强复合聚乙烯双壁缠绕管及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107254087A true CN107254087A (zh) | 2017-10-17 |
Family
ID=60027325
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710318421.2A Pending CN107254087A (zh) | 2017-05-08 | 2017-05-08 | 一种增强复合聚乙烯双壁缠绕管及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107254087A (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109027444A (zh) * | 2018-07-26 | 2018-12-18 | 徐州辛辛那提新型材料有限公司 | 一种高刚度抗静电改性中空壁缠绕管的制备工艺 |
CN109880216A (zh) * | 2019-03-11 | 2019-06-14 | 陕西飞天管业科技有限公司 | Hdpe双壁波纹管及其生产工艺 |
CN110229407A (zh) * | 2019-06-26 | 2019-09-13 | 南京乐洁新型材料有限公司 | 一种防腐蚀中空壁缠绕管的生产工艺 |
CN110845794A (zh) * | 2019-11-29 | 2020-02-28 | 江西天丰建设集团管业科技有限公司 | 一种波纹管原料组合物、其制备方法及管材 |
CN114409986A (zh) * | 2021-12-28 | 2022-04-29 | 浙江中财型材有限责任公司 | 一种hdpe波纹管及其制备方法 |
CN115651314A (zh) * | 2022-11-10 | 2023-01-31 | 河南华瑞兴业防水科技有限公司 | 一种高粘结强度防水卷材及其生产方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101016964A (zh) * | 2007-02-07 | 2007-08-15 | 李寿山 | 由缠绕材料构成管材壁的大口径高强度塑料缠绕管及制法 |
CN105156772A (zh) * | 2015-07-27 | 2015-12-16 | 湖北金牛管业有限公司 | 一种frpp增强中空结构壁缠绕管及其加工工艺 |
CN105440404A (zh) * | 2015-12-10 | 2016-03-30 | 长沙天卓塑胶有限公司 | 一种hdpe波纹管的混合原料及制作方法 |
CN106608994A (zh) * | 2015-10-23 | 2017-05-03 | 上海清远管业科技有限公司 | 塑料管材专用料和连续纤维布增强双壁缠绕管的制备方法 |
-
2017
- 2017-05-08 CN CN201710318421.2A patent/CN107254087A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101016964A (zh) * | 2007-02-07 | 2007-08-15 | 李寿山 | 由缠绕材料构成管材壁的大口径高强度塑料缠绕管及制法 |
CN105156772A (zh) * | 2015-07-27 | 2015-12-16 | 湖北金牛管业有限公司 | 一种frpp增强中空结构壁缠绕管及其加工工艺 |
CN106608994A (zh) * | 2015-10-23 | 2017-05-03 | 上海清远管业科技有限公司 | 塑料管材专用料和连续纤维布增强双壁缠绕管的制备方法 |
CN105440404A (zh) * | 2015-12-10 | 2016-03-30 | 长沙天卓塑胶有限公司 | 一种hdpe波纹管的混合原料及制作方法 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109027444A (zh) * | 2018-07-26 | 2018-12-18 | 徐州辛辛那提新型材料有限公司 | 一种高刚度抗静电改性中空壁缠绕管的制备工艺 |
CN109880216A (zh) * | 2019-03-11 | 2019-06-14 | 陕西飞天管业科技有限公司 | Hdpe双壁波纹管及其生产工艺 |
CN109880216B (zh) * | 2019-03-11 | 2021-07-20 | 陕西飞天管业科技有限公司 | Hdpe双壁波纹管及其生产工艺 |
CN110229407A (zh) * | 2019-06-26 | 2019-09-13 | 南京乐洁新型材料有限公司 | 一种防腐蚀中空壁缠绕管的生产工艺 |
CN110845794A (zh) * | 2019-11-29 | 2020-02-28 | 江西天丰建设集团管业科技有限公司 | 一种波纹管原料组合物、其制备方法及管材 |
CN114409986A (zh) * | 2021-12-28 | 2022-04-29 | 浙江中财型材有限责任公司 | 一种hdpe波纹管及其制备方法 |
CN115651314A (zh) * | 2022-11-10 | 2023-01-31 | 河南华瑞兴业防水科技有限公司 | 一种高粘结强度防水卷材及其生产方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107254087A (zh) | 一种增强复合聚乙烯双壁缠绕管及其制备方法 | |
CN107033457A (zh) | 一种增强改性聚丙烯双壁缠绕管及其制备方法 | |
CN103756088B (zh) | 高强度耐温耐磨的聚乙烯管材 | |
CN104045901B (zh) | 超高分子量聚乙烯组合物及生产该组合物管材的工艺方法 | |
CN105644074A (zh) | 一种高强度木塑包覆共挤复合材料及其制备方法 | |
CN103304934B (zh) | Pvc排水管材及其制备方法 | |
CN111040277A (zh) | 高强度聚乙烯双壁波纹管内壁用填充母料及其制造方法 | |
CN106189218A (zh) | 隔热条专用的玻璃纤维增强的pa66组合物及其制备方法 | |
CN109111616A (zh) | 一种超高分子量聚乙烯材料增强的hdpe复合材料及其制备方法和应用 | |
CN103571039A (zh) | 高熔指聚丙烯组合物及其制备方法 | |
CN103467822B (zh) | 一种制备pe结构壁管的原料及其制备方法 | |
CN102241860A (zh) | 一种增强聚丙烯材料及其制备方法 | |
CN106589585A (zh) | 高强度聚丙烯(pp‑hm)双壁波纹管及生产工艺 | |
CN104961960A (zh) | 一种抗菌pe填充母料及其制备方法 | |
EP1764389B1 (en) | Pressureless pipe comprising a multimodal polyethylene composition with an inorganic filler | |
CN103991246B (zh) | 一种聚烯烃母料制备三层共挤管材的方法 | |
CN105086242A (zh) | 一种硬质pvc管材及其制备方法 | |
CN109532154A (zh) | 一种阻燃共挤木塑型材 | |
CN105778355A (zh) | 一种低密度抗冲改性聚氯乙烯管材及其生产工艺 | |
CN107400307A (zh) | 一种耐火耐腐蚀管道材料及其制备方法 | |
CN104760261A (zh) | 一种pe超大口径厚壁管材的制备工艺 | |
CN107964145A (zh) | 一种高强度管材用环保工程塑料的制备方法 | |
CN103707482A (zh) | 同时具备高强高阻氧聚烯烃管及其制备方法 | |
CN102504382A (zh) | 纳米改性超高分子量聚乙烯耐磨管的生产工艺 | |
CN114350063B (zh) | 一种纤维增强型pp-rct复合管及其制备方法 |
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 |
Application publication date: 20171017 |
|
RJ01 | Rejection of invention patent application after publication |