CN114013113B - 一种耐高温pvc复合静音排水管材及其制备方法 - Google Patents
一种耐高温pvc复合静音排水管材及其制备方法 Download PDFInfo
- Publication number
- CN114013113B CN114013113B CN202111298126.8A CN202111298126A CN114013113B CN 114013113 B CN114013113 B CN 114013113B CN 202111298126 A CN202111298126 A CN 202111298126A CN 114013113 B CN114013113 B CN 114013113B
- Authority
- CN
- China
- Prior art keywords
- parts
- pvc
- temperature
- resistant
- pvc composite
- 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.)
- Active
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 73
- 238000002360 preparation method Methods 0.000 title abstract description 10
- 239000010410 layer Substances 0.000 claims abstract description 86
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 32
- 239000000314 lubricant Substances 0.000 claims abstract description 29
- 239000003381 stabilizer Substances 0.000 claims abstract description 29
- 239000011347 resin Substances 0.000 claims abstract description 28
- 229920005989 resin Polymers 0.000 claims abstract description 28
- 239000011358 absorbing material Substances 0.000 claims abstract description 22
- 239000012792 core layer Substances 0.000 claims abstract description 19
- 239000001038 titanium pigment Substances 0.000 claims abstract description 17
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 16
- 239000000945 filler Substances 0.000 claims abstract description 13
- 239000004088 foaming agent Substances 0.000 claims abstract description 13
- 239000004609 Impact Modifier Substances 0.000 claims abstract description 12
- 239000004800 polyvinyl chloride Substances 0.000 claims description 115
- 239000000463 material Substances 0.000 claims description 48
- 238000002156 mixing Methods 0.000 claims description 35
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 20
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 12
- 238000005303 weighing Methods 0.000 claims description 12
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 10
- 229920001971 elastomer Polymers 0.000 claims description 10
- 239000000806 elastomer Substances 0.000 claims description 10
- 239000010445 mica Substances 0.000 claims description 10
- 229910052618 mica group Inorganic materials 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 2
- 229920000058 polyacrylate Polymers 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 113
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 11
- 239000004408 titanium dioxide Substances 0.000 description 9
- 239000004709 Chlorinated polyethylene Substances 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005187 foaming Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical compound [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a non-planar shape
- B32B1/08—Tubular products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
-
- 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
-
- 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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/04—Devices damping pulsations or vibrations in fluids
- F16L55/045—Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer
-
- 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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/02—Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
-
- 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
- F16L9/21—Rigid pipes made of sound-absorbing materials or with sound-absorbing structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2597/00—Tubular articles, e.g. hoses, pipes
-
- 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
- C08J2327/00—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
- C08J2327/02—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
- C08J2327/04—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 chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Laminated Bodies (AREA)
- Molding Of Porous Articles (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
本发明属于PVC排水管材技术领域,具体涉及一种耐高温PVC复合静音排水管材及其制备方法,由内层、中间芯层和外层构成,所述内层和外层为耐高温PVC复合材料层,中间芯层为PVC复合吸音材料层,所述耐高温PVC复合材料层包括PVC树脂100份,耐高温抗冲改性剂50‑80份,轻质碳酸钙5‑10份,稳定剂3‑5份,润滑剂0.5‑2份和钛白粉1‑3份;所述的PVC复合吸音材料层包括PVC树脂100份,吸音填料60‑100份,稳定剂4‑6份,润滑剂0.3‑1.5份,钛白粉1‑2份和PVC发泡剂4‑8份。本发明制备得到的耐高温PVC复合静音排水管材,可以用来提高PVC排水管的吸音降噪效果以及耐高温性。
Description
技术领域
本发明属于PVC排水管材技术领域,具体涉及一种耐高温PVC复合静音排水管材及其制备方法。
背景技术
PVC排水管是以聚氯乙烯(PVC)树脂为主要原料,加入适量的稳定剂、润滑剂、填充剂、着色剂等辅料,充分混合后经双螺杆挤出机挤出成型。该管材具有成本低、耐腐蚀性好、使用寿命长、质量轻、安装成本低等优点,被广泛应用于建筑工程和家庭装修等领域。但传统的PVC排水管在排水过程中易产生较大的噪音,破坏居室安静,严重影响了人们的日常生活质量。此外,PVC排水管的长期使用温度一般在40℃以下,是因为PVC材料的维卡软化温度较低,耐高温性较差,高温废水的排放会大大降低PVC排水管的强度和使用寿命。
鉴于此,提出本发明。
发明内容
为了解决现有技术中存在的上述缺陷,本发明提供了一种耐高温PVC复合静音排水管材,用来提高PVC排水管材的吸音降噪效果以及耐高温性。
为了实现上述目的,本发明采取的技术方案如下:
一种耐高温PVC复合静音排水管材,由内层、中间芯层和外层构成,所述内层和外层为耐高温PVC复合材料层,中间芯层为PVC复合吸音材料层,所述耐高温PVC复合材料层包括PVC树脂100份,耐高温抗冲改性剂50-80份,轻质碳酸钙5-10份,稳定剂3-5份,润滑剂0.5-2份和钛白粉1-3份;所述的PVC复合吸音材料层包括PVC树脂100份,吸音填料60-100份,稳定剂4-6份,润滑剂0.3-1.5份,钛白粉1-2份和PVC发泡剂4-8份;耐高温PVC复合材料层和PVC复合吸音材料层中使用的稳定剂和润滑剂相同,均为钙锌复合稳定剂和钙锌复合润滑剂。
所述耐高温抗冲改性剂为热塑性聚氨酯弹性体(TPU)。
所述吸音填料为片状滑石粉或片状云母中的一种或者两种。
所述PVC发泡剂为丙烯酸脂类高分子聚合物。
一种耐高温PVC复合静音排水管材的制备方法,包括如下步骤:
(1)耐高温PVC复合材料层的混合:按照质量配比分别称取PVC树脂,耐高温抗冲改性剂,轻质碳酸钙,稳定剂,润滑剂和钛白粉,加入到高速混合机中,高速混合至温度为100-110℃,然后冷却出料,得到混配料;再将混配料加入到密炼机中,密炼5-8分钟,即完成耐高温PVC复合材料层的混合;
(2)PVC复合吸音材料层的混合:按照质量配比分别称取PVC树脂,吸音填料,稳定剂,润滑剂,钛白粉和PVC发泡剂,加入到高速混合机中,高速混合至温度为100-110℃,然后冷却出料,得到混配料;再将混配料加入到密炼机中,密炼5-8分钟,即完成PVC复合吸音材料层的混合;
(3)将步骤(1)和(2)密炼好的耐高温PVC复合材料层的混配料和PVC复合吸音材料层的混配料,采用两组PVC挤出机分别挤出耐高温PVC复合材料层(内外层)和PVC复合吸音材料层(中间芯层),再通过共挤模具将三层PVC材料进行复合共挤成型,从而得到一种耐高温PVC复合静音排水管材。
本发明的有益技术效果如下:
(1)本发明采用片状滑石粉以及片状云母作为吸音填料,并且采用中间芯层发泡的方法,使PVC管材内部形成多重复杂结构,即片状填料网络阻隔区域,低密度PVC发泡材料区域,中空区域等,当水流冲击管材内壁形成的噪音通过上述多重复杂结构时,可以有效吸收和耗散声波中的能量,因此可以明显提高PVC管材的吸音降噪效果;
(2)本发明采用热塑性聚氨酯弹性体(TPU)作为耐高温抗冲改性剂,替代传统PVC管材中使用的氯化聚乙烯抗冲改性剂(CPE),不仅可以提高PVC管材的抗冲击性,从而减少水流对管材内壁的冲击力,降低噪音的产生,还可以明显提高PVC管材的维卡软化温度,使PVC管材可以实现高温废水的排放;
(3)本发明在传统PVC混料工艺的基础上,额外增加了一道密炼的工序,利用密炼机的强挤压作用,不仅可以提高耐高温PVC复合材料层中PVC树脂和耐高温抗冲改性剂TPU的相容性,还可以提高PVC复合吸音材料层中吸音填料区域的密实程度,从而使一种耐高温PVC复合静音排水管材达到更好的吸音降噪的效果。
具体实施方式
为了使本发明的技术手段及其所能达到的技术效果,能够更清楚更完善的揭露,兹提供了两个具体实施例和两个对比实施例,进行详细地说明。
实施例1
本实施例的一种耐高温PVC复合静音排水管材,包括内层和外层,以及中间芯层的三层结构。内层和外层为耐高温PVC复合材料层,包括如下重量份数的各组分:PVC树脂100份,热塑性聚氨酯弹性体(TPU)75份,轻质碳酸钙8份,稳定剂5份,润滑剂1.2份,钛白粉2份;中间芯层为PVC复合吸音材料层,包括如下重量份数的各组分:PVC树脂100份,片状滑石粉40份,片状云母40份,稳定剂5份,润滑剂1份,钛白粉2份,PVC发泡剂7份。
本实施例的一种耐高温PVC复合静音排水管材及其制备方法,包括如下步骤:
(1)耐高温PVC复合材料层的混合:按照质量配比分别称取PVC树脂,热塑性聚氨酯弹性体(TPU),轻质碳酸钙,稳定剂,润滑剂,钛白粉,加入到高速混合机中,高速混合至100℃,然后冷却出料,得到混配料;再将混配料加入到密炼机中,密炼8分钟,即完成耐高温PVC复合材料层的混合;
(2)PVC复合吸音材料层的混合:按照质量配比分别称取PVC树脂,片状滑石粉,片状云母,稳定剂,润滑剂,钛白粉,PVC发泡剂,加入到高速混合机中,高速混合至100℃,然后冷却出料,得到混配料;再将混配料加入到密炼机中,密炼8分钟,即完成PVC复合吸音材料层的混合;
(3)将步骤(1)和(2)密炼好的耐高温PVC复合材料层的混配料和PVC复合吸音材料层的混配料,采用两组PVC挤出机分别挤出耐高温PVC复合材料层(内外层)和PVC复合吸音材料层(中间芯层),再通过共挤模具将三层PVC材料进行复合共挤成型,从而得到一种耐高温PVC复合静音排水管材。
实施例2
本实施例的一种耐高温PVC复合静音排水管材,包括内层和外层,以及中间芯层的三层结构。内层和外层为耐高温PVC复合材料层,包括如下重量份数的各组分:PVC树脂100份,热塑性聚氨酯弹性体(TPU)60份,轻质碳酸钙6份,稳定剂4份,润滑剂1份,钛白粉2份;中间芯层为PVC复合吸音材料层,包括如下重量份数的各组分:PVC树脂100份,片状滑石粉30份,片状云母30份,稳定剂5份,润滑剂0.8份,钛白粉2份,PVC发泡剂6份。
本实施例的一种耐高温PVC复合静音排水管材及其制备方法,包括如下步骤:
(1)耐高温PVC复合材料层的混合:按照质量配比分别称取PVC树脂,热塑性聚氨酯弹性体(TPU),轻质碳酸钙,稳定剂,润滑剂,钛白粉,加入到高速混合机中,高速混合至110℃,然后冷却出料,得到混配料;再将混配料加入到密炼机中,密炼6分钟,即完成耐高温PVC复合材料层的混合;
(2)PVC复合吸音材料层的混合:按照质量配比分别称取PVC树脂,片状滑石粉,片状云母,稳定剂,润滑剂,钛白粉,PVC发泡剂,加入到高速混合机中,高速混合至110℃,然后冷却出料,得到混配料;再将混配料加入到密炼机中,密炼6分钟,即完成PVC复合吸音材料层的混合;
(3)将步骤(1)和(2)密炼好的耐高温PVC复合材料层的混配料和PVC复合吸音材料层的混配料,采用两组PVC挤出机分别挤出耐高温PVC复合材料层(内外层)和PVC复合吸音材料层(中间芯层),再通过共挤模具将三层PVC材料进行复合共挤成型,从而得到一种耐高温PVC复合静音排水管材。
对比例1
本对比例的PVC排水管材,采用传统PVC管材中使用的氯化聚乙烯(CPE)作为内层和外层的抗冲改性剂,具体包括如下重量份的各组分:PVC树脂100份,氯化聚乙烯(CPE)60份,轻质碳酸钙6份,稳定剂4份,润滑剂1份,钛白粉2份;采用传统PVC管材中使用的碳酸钙作为中间芯层的填料,具体包括如下重量份的各组分:PVC树脂100份,碳酸钙60份,稳定剂5份,润滑剂0.8份,钛白粉2份,不添加PVC发泡剂。
本对比例的PVC排水管材及其制备方法,包括如下步骤:
(1)内层和外层料的混合:按照质量配比分别称取PVC树脂,氯化聚乙烯(CPE),轻质碳酸钙,稳定剂,润滑剂,钛白粉,加入到高速混合机中,高速混合至110℃,然后冷却出料,得到混配料;再将混配料加入到密炼机中,密炼6分钟,出料;
(2)中间芯层料的混合:按照质量配比分别称取PVC树脂,碳酸钙,稳定剂,润滑剂,钛白粉,加入到高速混合机中,高速混合至110℃,然后冷却出料,得到混配料;再将混配料加入到密炼机中,密炼6分钟,出料;
(3)将步骤(1)和(2)密炼好的内层和外层的混配料和中间芯层的混配料,采用两组PVC挤出机分别挤出内外层和中间芯层,再通过共挤模具将三层PVC材料进行复合共挤成型PVC排水管材。
对比例2
本对比例的PVC排水管材,包括内层和外层,以及中间芯层的三层结构。内层和外层包括如下重量份的各组分:PVC树脂100份,热塑性聚氨酯弹性体(TPU)60份,轻质碳酸钙6份,稳定剂4份,润滑剂1份,钛白粉2份;中间芯层包括如下重量份的各组分:PVC树脂100份,片状滑石粉30份,片状云母30份,稳定剂5份,润滑剂0.8份,钛白粉2份,不添加PVC发泡剂。
本对比例的PVC排水管材及其制备方法,包括如下步骤:
(1)内层和外层料的混合:按照质量配比分别称取PVC树脂,热塑性聚氨酯弹性体(TPU),轻质碳酸钙,稳定剂,润滑剂,钛白粉,加入到高速混合机中,高速混合至100℃,然后冷却出料,得到混配料,混配料不再经过密炼的工序;
(2)中间芯层料的混合:按照质量配比分别称取PVC树脂,片状滑石粉,片状云母,稳定剂,润滑剂,钛白粉,加入到高速混合机中,高速混合至100℃,然后冷却出料,得到混配料,混配料不再经过密炼的工序;
(3)将步骤(1)和(2)混合好的内外层的混配料和中间芯层的混配料,采用两组PVC挤出机分别挤出内外层和中间芯层,再通过共挤模具将三层PVC材料进行复合共挤成型PVC排水管材。
对实施例1和2,对比例1和2的各项性能进行检测对比,其中PVC管材的维卡软化温度按照GB/T 8802-2001 《热塑性塑料管材、管件维卡软化温度的测定》进行检测,PVC管材的流水噪音分贝值按照CJ/T 312-2009 《建筑排水管道系统噪声测试方法》进行检测,水流量为2 L/s,检测结果如下:
实施例1 | 实施例2 | 对比例1 | 对比例2 | |
维卡软化温度(℃) | 108.6 | 103.7 | 72.3 | 98.1 |
噪音分贝值(dB) | 29 | 32 | 52 | 43 |
通过实施例1和2以及对比例1和2可以发现,采用热塑性聚氨酯弹性体(TPU)作为耐高温抗冲改性剂,可以明显提高PVC管材的维卡软化温度,使PVC管材可以实现高温废水的排放;采用片状滑石粉以及片状云母作为吸音填料,并且采用芯层发泡的方法,可以明显提高PVC管材的吸音降噪效果;此外,在一种耐高温PVC复合静音排水管材的制备方法中额外增加一道密炼的工序,可以使PVC管材达到更好的吸音降噪的效果和耐高温特性。
以上内容是结合本发明的优选实施方式对所提供技术方案所作的进一步详细说明,不能认定本发明具体实施只局限于上述这些说明,对于本发明所属技术领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干简单推演或替换,都应当视为属于本发明的保护范围。
Claims (3)
1.一种耐高温PVC复合静音排水管材,由内层、中间芯层和外层构成,其特征在于:所述内层和外层为耐高温PVC复合材料层,中间芯层为PVC复合吸音材料层,所述耐高温PVC复合材料层包括PVC树脂100份,耐高温抗冲改性剂50-80份,轻质碳酸钙5-10份,稳定剂3-5份,润滑剂0.5-2份和钛白粉1-3份;所述的PVC复合吸音材料层包括PVC树脂100份,吸音填料60-100份,稳定剂4-6份,润滑剂0.3-1.5份,钛白粉1-2份和PVC发泡剂4-8份;所述耐高温抗冲改性剂为热塑性聚氨酯弹性体;所述吸音填料为片状滑石粉或片状云母中的一种或者两种。
2.如权利要求1所述的一种耐高温PVC复合静音排水管材,其特征在于:所述PVC发泡剂为丙烯酸脂类高分子聚合物。
3.一种如权利要求1所述的耐高温PVC复合静音排水管材的制备方法,其特征在于,具体操作步骤如下:
(1)耐高温PVC复合材料层的混合:按照质量配比分别称取PVC树脂,耐高温抗冲改性剂,轻质碳酸钙,稳定剂,润滑剂和钛白粉,加入到高速混合机中,高速混合至温度为100-110℃,然后冷却出料,得到混配料;再将混配料加入到密炼机中,密炼5-8分钟,即完成耐高温PVC复合材料层的混合;
(2)PVC复合吸音材料层的混合:按照质量配比分别称取PVC树脂,吸音填料,稳定剂,润滑剂,钛白粉和PVC发泡剂,加入到高速混合机中,高速混合至温度为100-110℃,然后冷却出料,得到混配料;再将混配料加入到密炼机中,密炼5-8分钟,即完成PVC复合吸音材料层的混合;
(3)将步骤(1)和(2)密炼好的耐高温PVC复合材料层的混配料和PVC复合吸音材料层的混配料,采用两组PVC挤出机分别挤出耐高温PVC复合材料层和PVC复合吸音材料层,再通过共挤模具将三层PVC材料进行复合共挤成型,从而得到一种耐高温PVC复合静音排水管材。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111298126.8A CN114013113B (zh) | 2021-11-04 | 2021-11-04 | 一种耐高温pvc复合静音排水管材及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111298126.8A CN114013113B (zh) | 2021-11-04 | 2021-11-04 | 一种耐高温pvc复合静音排水管材及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN114013113A CN114013113A (zh) | 2022-02-08 |
CN114013113B true CN114013113B (zh) | 2023-11-14 |
Family
ID=80060559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111298126.8A Active CN114013113B (zh) | 2021-11-04 | 2021-11-04 | 一种耐高温pvc复合静音排水管材及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN114013113B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115975312B (zh) * | 2023-03-21 | 2023-06-02 | 日丰企业(天津)有限公司 | 一种消音pvc排水管及其制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030041221A (ko) * | 2001-11-19 | 2003-05-27 | 주식회사 엘지화학 | 피브이씨와 변성 티피오로 조성된 발포층을 가진 바닥장식재와 그의 제조방법 |
CN205136851U (zh) * | 2015-09-16 | 2016-04-06 | 上海上丰集团有限公司 | 复合静音排水管 |
CN111674130A (zh) * | 2020-06-15 | 2020-09-18 | 山东鲁泰控股集团有限公司石墨烯高分子复合材料研发中心 | 一种煤矿井下用pvc防静电增韧改性材料及其制备方法 |
CN112143211A (zh) * | 2020-09-18 | 2020-12-29 | 东莞市雄林新材料科技股份有限公司 | 一种耐气压型tpu复合材料及其制备方法 |
CN113309911A (zh) * | 2021-05-13 | 2021-08-27 | 章文婷 | 一种三层复合pvc静音排水管及制备方法 |
-
2021
- 2021-11-04 CN CN202111298126.8A patent/CN114013113B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030041221A (ko) * | 2001-11-19 | 2003-05-27 | 주식회사 엘지화학 | 피브이씨와 변성 티피오로 조성된 발포층을 가진 바닥장식재와 그의 제조방법 |
CN205136851U (zh) * | 2015-09-16 | 2016-04-06 | 上海上丰集团有限公司 | 复合静音排水管 |
CN111674130A (zh) * | 2020-06-15 | 2020-09-18 | 山东鲁泰控股集团有限公司石墨烯高分子复合材料研发中心 | 一种煤矿井下用pvc防静电增韧改性材料及其制备方法 |
CN112143211A (zh) * | 2020-09-18 | 2020-12-29 | 东莞市雄林新材料科技股份有限公司 | 一种耐气压型tpu复合材料及其制备方法 |
CN113309911A (zh) * | 2021-05-13 | 2021-08-27 | 章文婷 | 一种三层复合pvc静音排水管及制备方法 |
Non-Patent Citations (1)
Title |
---|
热塑性聚氨酯与聚氯乙烯共混改性研究;叶成兵,张军,周圣中;中国塑料(第08期);全文 * |
Also Published As
Publication number | Publication date |
---|---|
CN114013113A (zh) | 2022-02-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102345312B (zh) | 一种静音排水管 | |
CN103486355A (zh) | 一种超强静音pe芯层微发泡排水管及其制备方法 | |
CN102002970B (zh) | 一种静音排水管 | |
CN114013113B (zh) | 一种耐高温pvc复合静音排水管材及其制备方法 | |
CN103158314B (zh) | 多层复合环保阻燃隔声卷材制品 | |
CN108192221B (zh) | 阻燃耐高温增强聚丙烯静音排水管及其应用 | |
CN104989890A (zh) | 埋地排水排污用双层增强改性聚烯烃drpo波纹管 | |
CN103883812A (zh) | 一种内螺旋耐高温超静音排水管及其制造方法 | |
CN102219955B (zh) | 高温静音排水管 | |
CN107778691A (zh) | Pvc消音排水管及其生产方法 | |
CN203940132U (zh) | 一种upvc空壁内螺旋管 | |
CN113309911A (zh) | 一种三层复合pvc静音排水管及制备方法 | |
CN105330929A (zh) | 一种双壁波纹管及其制备方法 | |
CN1177113C (zh) | 一种低噪声排水管 | |
CN113085280A (zh) | 一种三层共挤静音排水管及其制备方法和应用 | |
KR20010017363A (ko) | 삼중벽 구조 내충격 수도관 | |
CN109676892B (zh) | 一种三层复合pvc静音排水管及制备方法 | |
CN113789021A (zh) | 一种增强阻燃静音胶溶排水管道 | |
CN207569394U (zh) | 一种聚丙烯三层复合螺旋超静音排水管 | |
CN216843456U (zh) | 一种吸音降噪管 | |
CN113415038B (zh) | 一种聚丙烯超静音管道及其制备方法 | |
CN104610639A (zh) | 一种hdpe大口径波纹管专用料的制备方法 | |
CN205781485U (zh) | Hdpe双壁波纹管 | |
CN115746473B (zh) | 一种降噪吸声排水管 | |
CN220910698U (zh) | 一种三层静音复合pvc排水管 |
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 | ||
GR01 | Patent grant | ||
GR01 | Patent grant |