CN111763377A - 一种克拉管及其制备工艺 - Google Patents
一种克拉管及其制备工艺 Download PDFInfo
- Publication number
- CN111763377A CN111763377A CN202010654302.6A CN202010654302A CN111763377A CN 111763377 A CN111763377 A CN 111763377A CN 202010654302 A CN202010654302 A CN 202010654302A CN 111763377 A CN111763377 A CN 111763377A
- Authority
- CN
- China
- Prior art keywords
- parts
- pipe
- krah
- krah pipe
- raw materials
- 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
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 71
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 39
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 32
- 239000011347 resin Substances 0.000 claims abstract description 30
- 229920005989 resin Polymers 0.000 claims abstract description 30
- 238000001816 cooling Methods 0.000 claims abstract description 28
- -1 polypropylene Polymers 0.000 claims abstract description 17
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 16
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 16
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 16
- 239000002270 dispersing agent Substances 0.000 claims abstract description 16
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 15
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 15
- 239000004743 Polypropylene Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 14
- 229920001155 polypropylene Polymers 0.000 claims abstract description 14
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 13
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 13
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 13
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims abstract description 13
- 235000013539 calcium stearate Nutrition 0.000 claims abstract description 13
- 239000008116 calcium stearate Substances 0.000 claims abstract description 13
- 239000006229 carbon black Substances 0.000 claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- 239000004595 color masterbatch Substances 0.000 claims abstract description 13
- 239000003365 glass fiber Substances 0.000 claims abstract description 13
- 239000012760 heat stabilizer Substances 0.000 claims abstract description 13
- 229920001684 low density polyethylene Polymers 0.000 claims abstract description 13
- 239000004702 low-density polyethylene Substances 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 13
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 13
- 239000010703 silicon Substances 0.000 claims abstract description 13
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 13
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 13
- 239000012745 toughening agent Substances 0.000 claims abstract description 13
- 238000005299 abrasion Methods 0.000 claims abstract description 6
- 238000004804 winding Methods 0.000 claims description 33
- 239000010410 layer Substances 0.000 claims description 24
- 239000011241 protective layer Substances 0.000 claims description 24
- 230000003014 reinforcing effect Effects 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 21
- 238000002844 melting Methods 0.000 claims description 21
- 230000008018 melting Effects 0.000 claims description 21
- 238000002156 mixing Methods 0.000 claims description 21
- 238000001125 extrusion Methods 0.000 claims description 18
- 238000007689 inspection Methods 0.000 claims description 13
- 238000001035 drying Methods 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 238000005303 weighing Methods 0.000 claims description 9
- 238000009966 trimming Methods 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 6
- 230000018044 dehydration Effects 0.000 claims description 6
- 238000006297 dehydration reaction Methods 0.000 claims description 6
- 238000005469 granulation Methods 0.000 claims description 6
- 230000003179 granulation Effects 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 239000012856 weighed raw material Substances 0.000 claims description 6
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000002216 antistatic agent Substances 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 3
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000002904 solvent Substances 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000219000 Populus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000002310 elbow joint Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- 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
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- 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
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/046—Forming abrasion-resistant coatings; Forming surface-hardening coatings
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
- C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D123/04—Homopolymers or copolymers of ethene
- C09D123/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2409/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
- C08J2409/02—Copolymers with acrylonitrile
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2427/00—Characterised by the use 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; Derivatives of such polymers
- C08J2427/02—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/12—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2427/18—Homopolymers or copolymers of tetrafluoroethylene
-
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
-
- 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
- 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
- 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
- C08L2207/066—LDPE (radical process)
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
一种克拉管,该克拉管基管包括以下重量份原料:聚丙烯:70~85份、HDPE树脂:60~65份、纳米碳酸钙:15~20份、LDPE树脂:10~15份、硬脂酸钙:12~16份、色母粒:10~12份、二氧化硅:6~8份、玻璃纤维粉:5~10份、增韧剂:6~9份、白炭黑:3~5份、硅烷偶联剂:3~5份、丁腈橡胶:7~10份、降温母粒:4~6份、相容剂:1~3份、抗老化剂:1~2份、分散剂:1~2份、抗氧剂:3~5份,热稳定剂:2~5份、有机硅增粘剂:2~3份;本发明还提出了一种克拉管的制备工艺。本发明制备的克拉管具有更好的综合性能,使用寿命长,而且进一步提高了克拉管的整体抗磨损性能,制备工艺的连续性好,有助于生产加工。
Description
技术领域
本发明涉及克拉管技术领域,尤其涉及一种克拉管及其制备工艺。
背景技术
克拉管即热态缠绕成型高密度聚乙烯缠绕结构壁管,该壁管是以高密度聚乙烯树脂为主要原材料,采用热态缠绕杨型工艺,以聚丙烯单壁波纹管为支撑结构制成具有较高抗外压能力的特殊结构壁管材,克拉管产品可分为PR、OP、SQ、VW四种系列;其中,PR、OP主要用做埋地排水管道,SQ主要用于制造容器或窨井,VW主要用于三通、弯头、二次加工成型的管件,产品中应用最多的是PR系列;现有克拉管的耐磨性等防护性能不好,在管道施工过程中,由于管材的移动及与地面的接触,以至于管材表面在装卸、施工过程中经常受到破坏及损伤,并且现有克拉管的质量不佳,在使用时容易受到损坏,而且生产工艺的连续性差,有待进行改善。
发明内容
(一)发明目的
为解决背景技术中存在的技术问题,本发明提出一种克拉管及其制备工艺,克拉管的环刚度、拉伸强度、弯曲强度、耐冲击性等综合性能更好,使用寿命长,而且通过在克拉管外表面涂覆耐磨防护层,进一步提高了克拉管的整体抗磨损性能,并且制备工艺的连续性好,进一步提高了克拉管的整体性。
(二)技术方案
本发明提出了一种克拉管,该克拉管基管包括以下重量份原料:
聚丙烯:70~85份、HDPE树脂:60~65份、纳米碳酸钙:15~20份、LDPE树脂:10~15份、硬脂酸钙:12~16份、色母粒:10~12份、二氧化硅:6~8份、玻璃纤维粉:5~10份、增韧剂:6~9份、白炭黑:3~5份、硅烷偶联剂:3~5份、丁腈橡胶:7~10份、降温母粒:4~6份、相容剂:1~3份、抗老化剂:1~2份、分散剂:1~2份、抗氧剂:3~5份,热稳定剂:2~5份、有机硅增粘剂:2~3份。
优选的,该克拉管基管包括以下重量份原料:
聚丙烯:70份、HDPE树脂:60份、纳米碳酸钙:15份、LDPE树脂:10份、硬脂酸钙:12份、色母粒:10份、二氧化硅:6份、玻璃纤维粉:5份、增韧剂:6份、白炭黑:3份、硅烷偶联剂:3份、丁腈橡胶:7份、降温母粒:4份、相容剂:1份、抗老化剂:1份、分散剂:1份、抗氧剂:3份,热稳定剂:2份、有机硅增粘剂:2份。
优选的,该克拉管基管包括以下重量份原料:
聚丙烯:85份、HDPE树脂:65份、纳米碳酸钙:20份、LDPE树脂:15份、硬脂酸钙:16份、色母粒:12份、二氧化硅:8份、玻璃纤维粉:10份、增韧剂:9份、白炭黑:5份、硅烷偶联剂:5份、丁腈橡胶:10份、降温母粒:6份、相容剂:3份、抗老化剂:2份、分散剂:2份、抗氧剂:5份,热稳定剂:5份、有机硅增粘剂:3份。
优选的,该克拉管基管包括以下重量份原料:
聚丙烯:80份、HDPE树脂:62份、纳米碳酸钙:18份、LDPE树脂:12份、硬脂酸钙:14份、色母粒:11份、二氧化硅:7份、玻璃纤维粉:8份、增韧剂:7份、白炭黑:4份、硅烷偶联剂:4份、丁腈橡胶:8份、降温母粒:5份、相容剂:2份、抗老化剂:1份、分散剂:2份、抗氧剂:4份,热稳定剂:4份、有机硅增粘剂:2份。
本发明还提出了一种克拉管的制备工艺,包括以下步骤:
S1、根据克拉管的制备配方称取所需的各原料重量,原料品质需符合相关规定;
S2、使用密闭的高效混合机对称取的各原料进行混合,混合时间为60~90min,混合温度为65~80℃;
S3、使用干燥设备对混合原料进行烘干,以实现混合原料的脱水,原料水分控制在≤2‰;
S4、将干燥后的原料投入带有熔融设备的挤出机中,熔融设备对原料进行熔融,挤出机对熔融后的原料进行挤出,以形成设定形状的克拉管基管;
S5、制备缠绕加固层并使缠绕加固层缠绕在克拉管基管的外壁,通过激光光束熔融缠绕加固层并使其与克拉管基管相连接,制得克拉管管体;
S6、通过冷却风机吹风来冷却克拉管管体,直至管体克拉管冷却定型;
S6、对克拉管尺寸进行加工以使其符合标准尺寸,并对克拉管进行修整以使其外观平滑规整;
S7、制备耐磨防护层用料,并将耐磨防护层用料涂覆在克拉管管体的外表面,以起到防护作用;
S8、对克拉管进行质量检验,并对检验合格后的克拉管进行切割,将切割后的克拉管包装入库。
优选的,在S4中,挤出过程具体如下:
采用单螺杆挤出机挤出成型得到克拉管基管,挤出温度为195~240℃,挤出压力为8~12MPa,挤出真空度为~0.07~~0.04MPa,挤出管材牵引速度为1.5~4m/min。
优选的,在S6中,主要是对克拉管管体的的承口和插口进行加工,并对端口进行修整,以及对克拉管管体的表面进行处理。
优选的,在S3中,还包括造粒操作,具体如下:
将干燥后的混合原料输送到双螺杆造粒机中,通过双螺杆造粒机进行造粒,挤出造粒的温度为230~250℃,以得到克拉管基管专用料。
优选的,在S7中,耐磨防护层的制备操作如下:
按照重量份比例称取所需原料,在不低于3500转/分钟的转速下搅拌10~30分钟,获得混合物;
对混合物进行熔融共混,得到防护材料,将获得的防护材料涂覆于克拉管管体的外表面,冷却后形成耐磨防护层。
优选的,耐磨防护层用料包括以下重量份原料:
PE树脂:75~80份、纳米碳酸钙:8~10份、纳米二硫化钼:8~12份、石墨:5~6份、聚四氟乙烯:5~6份、抗静电剂:2~3份、相容剂:2~3份、润滑分散剂:2~3份、抗氧剂:2~3份、阻燃剂:2~3份。
本发明的上述技术方案具有如下有益的技术效果:
克拉管的环刚度、拉伸强度、弯曲强度、耐冲击性等综合性能更好,使用寿命长,而且通过在克拉管外表面涂覆耐磨防护层,进一步提高了克拉管的整体抗磨损性能,并且制备工艺的连续性好,进一步提高了克拉管的整体性。
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明了,下面结合具体实施方式,对本发明进一步详细说明。应该理解,这些描述只是示例性的,而并非要限制本发明的范围。此外,在以下说明中,省略了对公知结构和技术的描述,以避免不必要地混淆本发明的概念。
实施例一
本发明提出的一种克拉管,该克拉管基管包括以下重量份原料:
聚丙烯:70~85份、HDPE树脂:60~65份、纳米碳酸钙:15~20份、LDPE树脂:10~15份、硬脂酸钙:12~16份、色母粒:10~12份、二氧化硅:6~8份、玻璃纤维粉:5~10份、增韧剂:6~9份、白炭黑:3~5份、硅烷偶联剂:3~5份、丁腈橡胶:7~10份、降温母粒:4~6份、相容剂:1~3份、抗老化剂:1~2份、分散剂:1~2份、抗氧剂:3~5份,热稳定剂:2~5份、有机硅增粘剂:2~3份。
本发明还提出了一种克拉管的制备工艺,包括以下步骤:
S1、根据克拉管的制备配方称取所需的各原料重量,原料品质需符合相关规定;
S2、使用密闭的高效混合机对称取的各原料进行混合,混合时间为60~90min,混合温度为65~80℃;
S3、使用干燥设备对混合原料进行烘干,以实现混合原料的脱水,原料水分控制在≤2‰;
S4、将干燥后的原料投入带有熔融设备的挤出机中,熔融设备对原料进行熔融,挤出机对熔融后的原料进行挤出,以形成设定形状的克拉管基管;
S5、制备缠绕加固层并使缠绕加固层缠绕在克拉管基管的外壁,通过激光光束熔融缠绕加固层并使其与克拉管基管相连接,制得克拉管管体;
S6、通过冷却风机吹风来冷却克拉管管体,直至管体克拉管冷却定型;
S6、对克拉管尺寸进行加工以使其符合标准尺寸,并对克拉管进行修整以使其外观平滑规整;
S7、制备耐磨防护层用料,并将耐磨防护层用料涂覆在克拉管管体的外表面,以起到防护作用;
S8、对克拉管进行质量检验,并对检验合格后的克拉管进行切割,将切割后的克拉管包装入库。
实施例二
本发明提出的一种克拉管,该克拉管基管包括以下重量份原料:
聚丙烯:70份、HDPE树脂:60份、纳米碳酸钙:15份、LDPE树脂:10份、硬脂酸钙:12份、色母粒:10份、二氧化硅:6份、玻璃纤维粉:5份、增韧剂:6份、白炭黑:3份、硅烷偶联剂:3份、丁腈橡胶:7份、降温母粒:4份、相容剂:1份、抗老化剂:1份、分散剂:1份、抗氧剂:3份,热稳定剂:2份、有机硅增粘剂:2份。
本发明还提出了一种克拉管的制备工艺,包括以下步骤:
S1、根据克拉管的制备配方称取所需的各原料重量,原料品质需符合相关规定;
S2、使用密闭的高效混合机对称取的各原料进行混合,混合时间为60~90min,混合温度为65~80℃;
S3、使用干燥设备对混合原料进行烘干,以实现混合原料的脱水,原料水分控制在≤2‰;
S4、将干燥后的原料投入带有熔融设备的挤出机中,熔融设备对原料进行熔融,挤出机对熔融后的原料进行挤出,以形成设定形状的克拉管基管;
S5、制备缠绕加固层并使缠绕加固层缠绕在克拉管基管的外壁,通过激光光束熔融缠绕加固层并使其与克拉管基管相连接,制得克拉管管体;
S6、通过冷却风机吹风来冷却克拉管管体,直至管体克拉管冷却定型;
S6、对克拉管尺寸进行加工以使其符合标准尺寸,并对克拉管进行修整以使其外观平滑规整;
S7、制备耐磨防护层用料,并将耐磨防护层用料涂覆在克拉管管体的外表面,以起到防护作用;
S8、对克拉管进行质量检验,并对检验合格后的克拉管进行切割,将切割后的克拉管包装入库。
实施例三
本发明提出的一种克拉管,该克拉管基管包括以下重量份原料:
聚丙烯:85份、HDPE树脂:65份、纳米碳酸钙:20份、LDPE树脂:15份、硬脂酸钙:16份、色母粒:12份、二氧化硅:8份、玻璃纤维粉:10份、增韧剂:9份、白炭黑:5份、硅烷偶联剂:5份、丁腈橡胶:10份、降温母粒:6份、相容剂:3份、抗老化剂:2份、分散剂:2份、抗氧剂:5份,热稳定剂:5份、有机硅增粘剂:3份。
本发明还提出了一种克拉管的制备工艺,包括以下步骤:
S1、根据克拉管的制备配方称取所需的各原料重量,原料品质需符合相关规定;
S2、使用密闭的高效混合机对称取的各原料进行混合,混合时间为60~90min,混合温度为65~80℃;
S3、使用干燥设备对混合原料进行烘干,以实现混合原料的脱水,原料水分控制在≤2‰;
S4、将干燥后的原料投入带有熔融设备的挤出机中,熔融设备对原料进行熔融,挤出机对熔融后的原料进行挤出,以形成设定形状的克拉管基管;
S5、制备缠绕加固层并使缠绕加固层缠绕在克拉管基管的外壁,通过激光光束熔融缠绕加固层并使其与克拉管基管相连接,制得克拉管管体;
S6、通过冷却风机吹风来冷却克拉管管体,直至管体克拉管冷却定型;
S6、对克拉管尺寸进行加工以使其符合标准尺寸,并对克拉管进行修整以使其外观平滑规整;
S7、制备耐磨防护层用料,并将耐磨防护层用料涂覆在克拉管管体的外表面,以起到防护作用;
S8、对克拉管进行质量检验,并对检验合格后的克拉管进行切割,将切割后的克拉管包装入库。
实施例四
本发明提出的一种克拉管,该克拉管基管包括以下重量份原料:
聚丙烯:80份、HDPE树脂:62份、纳米碳酸钙:18份、LDPE树脂:12份、硬脂酸钙:14份、色母粒:11份、二氧化硅:7份、玻璃纤维粉:8份、增韧剂:7份、白炭黑:4份、硅烷偶联剂:4份、丁腈橡胶:8份、降温母粒:5份、相容剂:2份、抗老化剂:1份、分散剂:2份、抗氧剂:4份,热稳定剂:4份、有机硅增粘剂:2份。
本发明还提出了一种克拉管的制备工艺,包括以下步骤:
S1、根据克拉管的制备配方称取所需的各原料重量,原料品质需符合相关规定;
S2、使用密闭的高效混合机对称取的各原料进行混合,混合时间为60~90min,混合温度为65~80℃;
S3、使用干燥设备对混合原料进行烘干,以实现混合原料的脱水,原料水分控制在≤2‰;
S4、将干燥后的原料投入带有熔融设备的挤出机中,熔融设备对原料进行熔融,挤出机对熔融后的原料进行挤出,以形成设定形状的克拉管基管;
S5、制备缠绕加固层并使缠绕加固层缠绕在克拉管基管的外壁,通过激光光束熔融缠绕加固层并使其与克拉管基管相连接,制得克拉管管体;
S6、通过冷却风机吹风来冷却克拉管管体,直至管体克拉管冷却定型;
S6、对克拉管尺寸进行加工以使其符合标准尺寸,并对克拉管进行修整以使其外观平滑规整;
S7、制备耐磨防护层用料,并将耐磨防护层用料涂覆在克拉管管体的外表面,以起到防护作用;
S8、对克拉管进行质量检验,并对检验合格后的克拉管进行切割,将切割后的克拉管包装入库。
在一个可选的实施例中,在S4中,挤出过程具体如下:采用单螺杆挤出机挤出成型得到克拉管基管,挤出温度为195~240℃,挤出压力为8~12MPa,挤出真空度为~0.07~~0.04MPa,挤出管材牵引速度为1.5~4m/min。
在一个可选的实施例中,在S6中,主要是对克拉管管体的的承口和插口进行加工,并对端口进行修整,以及对克拉管管体的表面进行处理。
在一个可选的实施例中,在S3中,还包括造粒操作,具体如下:将干燥后的混合原料输送到双螺杆造粒机中,通过双螺杆造粒机进行造粒,挤出造粒的温度为230~250℃,以得到克拉管基管专用料。
在一个可选的实施例中,在S7中,耐磨防护层的制备操作如下:按照重量份比例称取所需原料,在不低于3500转/分钟的转速下搅拌10~30分钟,获得混合物;对混合物进行熔融共混,得到防护材料,将获得的防护材料涂覆于克拉管管体的外表面,冷却后形成耐磨防护层。
在一个可选的实施例中,耐磨防护层用料包括以下重量份原料:
PE树脂:75~80份、纳米碳酸钙:8~10份、纳米二硫化钼:8~12份、石墨:5~6份、聚四氟乙烯:5~6份、抗静电剂:2~3份、相容剂:2~3份、润滑分散剂:2~3份、抗氧剂:2~3份、阻燃剂:2~3份。
本发明中,克拉管的环刚度、拉伸强度、弯曲强度、耐冲击性等综合性能更好,使用寿命长,而且通过在克拉管外表面涂覆耐磨防护层,进一步提高了克拉管的整体抗磨损性能,并且制备工艺的连续性好,进一步提高了克拉管的整体性。
应当理解的是,本发明的上述具体实施方式仅仅用于示例性说明或解释本发明的原理,而不构成对本发明的限制。因此,在不偏离本发明的精神和范围的情况下所做的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。此外,本发明所附权利要求旨在涵盖落入所附权利要求范围和边界、或者这种范围和边界的等同形式内的全部变化和修改例。
Claims (10)
1.一种克拉管,其特征在于,该克拉管基管包括以下重量份原料:
聚丙烯:70~85份、HDPE树脂:60~65份、纳米碳酸钙:15~20份、LDPE树脂:10~15份、硬脂酸钙:12~16份、色母粒:10~12份、二氧化硅:6~8份、玻璃纤维粉:5~10份、增韧剂:6~9份、白炭黑:3~5份、硅烷偶联剂:3~5份、丁腈橡胶:7~10份、降温母粒:4~6份、相容剂:1~3份、抗老化剂:1~2份、分散剂:1~2份、抗氧剂:3~5份,热稳定剂:2~5份、有机硅增粘剂:2~3份。
2.根据权利要求1所述的一种克拉管,其特征在于,该克拉管基管包括以下重量份原料:
聚丙烯:70份、HDPE树脂:60份、纳米碳酸钙:15份、LDPE树脂:10份、硬脂酸钙:12份、色母粒:10份、二氧化硅:6份、玻璃纤维粉:5份、增韧剂:6份、白炭黑:3份、硅烷偶联剂:3份、丁腈橡胶:7份、降温母粒:4份、相容剂:1份、抗老化剂:1份、分散剂:1份、抗氧剂:3份,热稳定剂:2份、有机硅增粘剂:2份。
3.根据权利要求1所述的一种克拉管,其特征在于,该克拉管基管包括以下重量份原料:
聚丙烯:85份、HDPE树脂:65份、纳米碳酸钙:20份、LDPE树脂:15份、硬脂酸钙:16份、色母粒:12份、二氧化硅:8份、玻璃纤维粉:10份、增韧剂:9份、白炭黑:5份、硅烷偶联剂:5份、丁腈橡胶:10份、降温母粒:6份、相容剂:3份、抗老化剂:2份、分散剂:2份、抗氧剂:5份,热稳定剂:5份、有机硅增粘剂:3份。
4.根据权利要求1所述的一种克拉管,其特征在于,该克拉管基管包括以下重量份原料:
聚丙烯:80份、HDPE树脂:62份、纳米碳酸钙:18份、LDPE树脂:12份、硬脂酸钙:14份、色母粒:11份、二氧化硅:7份、玻璃纤维粉:8份、增韧剂:7份、白炭黑:4份、硅烷偶联剂:4份、丁腈橡胶:8份、降温母粒:5份、相容剂:2份、抗老化剂:1份、分散剂:2份、抗氧剂:4份,热稳定剂:4份、有机硅增粘剂:2份。
5.一种克拉管的制备工艺,其特征在于,包括以下步骤:
S1、根据克拉管的制备配方称取所需的各原料重量,原料品质需符合相关规定;
S2、使用密闭的高效混合机对称取的各原料进行混合,混合时间为60~90min,混合温度为65~80℃;
S3、使用干燥设备对混合原料进行烘干,以实现混合原料的脱水,原料水分控制在≤2‰;
S4、将干燥后的原料投入带有熔融设备的挤出机中,熔融设备对原料进行熔融,挤出机对熔融后的原料进行挤出,以形成设定形状的克拉管基管;
S5、制备缠绕加固层并使缠绕加固层缠绕在克拉管基管的外壁,通过激光光束熔融缠绕加固层并使其与克拉管基管相连接,制得克拉管管体;
S6、通过冷却风机吹风来冷却克拉管管体,直至管体克拉管冷却定型;
S6、对克拉管尺寸进行加工以使其符合标准尺寸,并对克拉管进行修整以使其外观平滑规整;
S7、制备耐磨防护层用料,并将耐磨防护层用料涂覆在克拉管管体的外表面,以起到防护作用;
S8、对克拉管进行质量检验,并对检验合格后的克拉管进行切割,将切割后的克拉管包装入库。
6.根据权利要求5所述的一种克拉管的制备工艺,其特征在于,在S4中,挤出过程具体如下:
采用单螺杆挤出机挤出成型得到克拉管基管,挤出温度为195~240℃,挤出压力为8~12MPa,挤出真空度为~0.07~~0.04MPa,挤出管材牵引速度为1.5~4m/min。
7.根据权利要求5所述的一种克拉管的制备工艺,其特征在于,在S6中,主要是对克拉管管体的的承口和插口进行加工,并对端口进行修整,以及对克拉管管体的表面进行处理。
8.根据权利要求5所述的一种克拉管的制备工艺,其特征在于,在S3中,还包括造粒操作,具体如下:
将干燥后的混合原料输送到双螺杆造粒机中,通过双螺杆造粒机进行造粒,挤出造粒的温度为230~250℃,以得到克拉管基管专用料。
9.根据权利要求5所述的一种克拉管的制备工艺,其特征在于,在S7中,耐磨防护层的制备操作如下:
按照重量份比例称取所需原料,在不低于3500转/分钟的转速下搅拌10~30分钟,获得混合物;
对混合物进行熔融共混,得到防护材料,将获得的防护材料涂覆于克拉管管体的外表面,冷却后形成耐磨防护层。
10.根据权利要求9所述的一种克拉管的制备工艺,其特征在于,耐磨防护层用料包括以下重量份原料:
PE树脂:75~80份、纳米碳酸钙:8~10份、纳米二硫化钼:8~12份、石墨:5~6份、聚四氟乙烯:5~6份、抗静电剂:2~3份、相容剂:2~3份、润滑分散剂:2~3份、抗氧剂:2~3份、阻燃剂:2~3份。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010654302.6A CN111763377A (zh) | 2020-07-09 | 2020-07-09 | 一种克拉管及其制备工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010654302.6A CN111763377A (zh) | 2020-07-09 | 2020-07-09 | 一种克拉管及其制备工艺 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111763377A true CN111763377A (zh) | 2020-10-13 |
Family
ID=72726172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010654302.6A Pending CN111763377A (zh) | 2020-07-09 | 2020-07-09 | 一种克拉管及其制备工艺 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111763377A (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112940331A (zh) * | 2021-04-23 | 2021-06-11 | 江西恒东管业有限公司 | 一种阻燃克拉管及其制备方法 |
CN113072769A (zh) * | 2021-04-07 | 2021-07-06 | 河北通涛管业集团股份有限公司 | 一种石墨烯克拉管材及其制造方法 |
CN113512347A (zh) * | 2021-04-23 | 2021-10-19 | 江西恒东管业有限公司 | 一种高端耐磨克拉管及其制备方法 |
CN114015100A (zh) * | 2021-11-09 | 2022-02-08 | 江西淼通材料有限公司 | Hdpe—fh高密度聚乙烯复合增强结构克拉管及生产方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106366453A (zh) * | 2016-11-11 | 2017-02-01 | 福建晟扬管道科技有限公司 | 一种耐磨克拉管及其制备方法 |
CN110372946A (zh) * | 2019-09-02 | 2019-10-25 | 福建亚通新材料科技股份有限公司 | 一种耐磨克拉管 |
CN110591220A (zh) * | 2019-03-30 | 2019-12-20 | 河北汇锐管业有限公司 | 一种高模量改性聚丙烯克拉管及其生产方法 |
-
2020
- 2020-07-09 CN CN202010654302.6A patent/CN111763377A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106366453A (zh) * | 2016-11-11 | 2017-02-01 | 福建晟扬管道科技有限公司 | 一种耐磨克拉管及其制备方法 |
CN110591220A (zh) * | 2019-03-30 | 2019-12-20 | 河北汇锐管业有限公司 | 一种高模量改性聚丙烯克拉管及其生产方法 |
CN110372946A (zh) * | 2019-09-02 | 2019-10-25 | 福建亚通新材料科技股份有限公司 | 一种耐磨克拉管 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113072769A (zh) * | 2021-04-07 | 2021-07-06 | 河北通涛管业集团股份有限公司 | 一种石墨烯克拉管材及其制造方法 |
CN112940331A (zh) * | 2021-04-23 | 2021-06-11 | 江西恒东管业有限公司 | 一种阻燃克拉管及其制备方法 |
CN113512347A (zh) * | 2021-04-23 | 2021-10-19 | 江西恒东管业有限公司 | 一种高端耐磨克拉管及其制备方法 |
CN114015100A (zh) * | 2021-11-09 | 2022-02-08 | 江西淼通材料有限公司 | Hdpe—fh高密度聚乙烯复合增强结构克拉管及生产方法 |
CN114015100B (zh) * | 2021-11-09 | 2022-12-02 | 江西淼通材料有限公司 | Hdpe—fh高密度聚乙烯复合增强结构克拉管及生产方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111763377A (zh) | 一种克拉管及其制备工艺 | |
CN109882664B (zh) | 钢带增强螺旋波纹管及其生产工艺 | |
CN104893084B (zh) | 一种碳纤维增强聚乙烯防水卷材及制备方法 | |
CN102850650A (zh) | 一种玄武岩纤维增强聚丙烯复合材料及其制备方法 | |
CN109456563B (zh) | 一种uhmwpe合金增容增韧改性聚丙烯波纹管专用料及其制备方法 | |
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 | |
CN112210146B (zh) | 一种低熔垂炭黑母粒及其制备方法 | |
CN113429655A (zh) | 一种纤维增强复合hdpe双壁波纹管及其加工工艺 | |
CN107057154A (zh) | 耐磨聚乙烯复合管材 | |
CN108503943A (zh) | 一种抗老化塑料管材及其制备方法 | |
WO2022100025A1 (zh) | 一种高耐磨低温升的聚酰胺组合物及其制备方法和应用 | |
CN116589771A (zh) | 一种高环刚度和环柔度的双壁波纹管道 | |
CN101979431A (zh) | 硅烷交联聚乙烯薄膜专用料及其制备方法与应用 | |
CN114605727A (zh) | 一种再生聚乙烯纳米改性合金muhdpe管材 | |
CN111442140A (zh) | 一种纳米抗菌pe给水管道及其制造工艺 | |
CN104845403A (zh) | 一种高强度耐磨高分子材料及制备方法 | |
CN106279862A (zh) | 一种自润滑超高分子量聚乙烯耐磨抗菌管道 | |
CN113337026A (zh) | 一种耐腐蚀pe排水管制备工艺 | |
KR101873661B1 (ko) | 파이프 및 와이어 및 케이블 응용을 위한 흑색 화합물의 제조에서의 카본블랙의 직접적인 공급 / 압력관 응용을 위한 개선된 특성을 갖는 중합체 조성물 | |
CN105348623A (zh) | 一种聚乙烯梅花管材料 | |
KR100728087B1 (ko) | 반응압출을 이용한 폐 고밀도 폴리에틸렌의 재활용 방법 | |
CN111533984A (zh) | 一种抗老化pe给水管材料及其制备方法 | |
WO2022222536A1 (zh) | 低收缩聚乙烯护套材料及其制备方法和应用 | |
CN112812716A (zh) | 一种耐候型衬塑钢管用粘接树脂及其制备方法 | |
CN108342007A (zh) | 一种吹塑用油箱材料及其制备方法 |
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: 20201013 |