CN108727743A - PVC-U noise elimination drainpipes - Google Patents
PVC-U noise elimination drainpipes Download PDFInfo
- Publication number
- CN108727743A CN108727743A CN201810692844.5A CN201810692844A CN108727743A CN 108727743 A CN108727743 A CN 108727743A CN 201810692844 A CN201810692844 A CN 201810692844A CN 108727743 A CN108727743 A CN 108727743A
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- parts
- pvc
- noise
- compatilizer
- high molecular
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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
- 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
- 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
- C08L2205/03—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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses PVC-U noise elimination drainpipes, are made of the raw material of following weight parts:100 parts of polyvinyl chloride resin, 1-3 parts of titanium dioxide, 20-30 parts of filler, 1-3 parts of impact modifier, 2-3 parts of compatilizer, 1-2 parts of lubricant, 2-3 parts of toughener;The compatilizer is high molecular synthetic material, it is a kind of high molecular polymer synthesized by two functional groups with opposite charges of sulphur group and amide group, it is to mix polystyrene storng-acid cation exchange resin, NN- dimethacrylamide and initiator potassium persulfate, according to 80:20:1 mass ratio, in thermostatic container, under nitrogen protection, 70-80 DEG C react 10-12 hours, cool down, wash, drying in the shade to obtain.
Description
Technical field
The present invention relates to PVC-U sleeve technologies fields, and in particular to PVC-U noise elimination drainpipes.
Background technology
Hard polyvinyl chloride (PVC-U) tubing is the plastic products using Corvic as primary raw material, the product corrosion resistant
Erosion, both artistic and practical, good flame resistance, excellent insulating property is excellent in cushion effect, and fluid resistance is small, is not easy to plug, the more same mouth of flow
Diameter cast iron pipe improves 30%, is the ideal material of building chemical draining drainage.The product is light durable, easy for installation, can be effective
Raising engineering efficiency and reduce operating expenses, greatly reduce construction cost.It is used using PVC-U tubing, pipe fitting ratio same
The cast iron pipe low cost of specification 30%, is ideal regeneration product.
Existing noise elimination drainpipe can generally make in the structure of tubing and change, make spiral hush pipe to reduce noise
With double-walled spiral hush pipe, outside all advantage performances for having PVC-U solid wall pipes, especially soundproof effect is apparent, it is than mark
Quasi- solid wall pipe can reduce 8-10 decibels, contain generated noise during sewage discharge really, to make living environment
It is more warm, quiet.Spiral bar is formed on the pipe material inner wall of spiral hush pipe, spiral bar is linearly oblique uniformly distributed, and and noise reduction
The angle of tube hub line is 8 ° -20 °, is formed with linear oblique uniformly distributed spiral bar on pipe material inner wall, and when draining, flow exists
It under the water conservancy diversion of spiral bar, is discharged along pipe material inner wall by the oblique straight line of spiral bar, stronger impact will not be generated to its inner wall, because
This noise is smaller.
PVC-U drainpipes are the outdoor plastic products used, PVC-U drainpipes due to being chronically exposed in natural environment,
The factors such as easy light, heat, mechanical stress lead to pipeline jaundice, cracking, mechanical properties decrease, noise can be caused to increase apparent, because
This usually requires to add antioxidant, light stabilizer etc. in its formula to the product progress stabilized processing of weather resistance.It is anti-
Oxidant, the application of light stabilizer technology and the research of its processing technology directly influence product weather resistance stabilization processes
Validity.The antioxidant of domestic production at present can be divided into Hinered phenols, phosphorous acid esters and thioesters three types;Light is stablized
Agent can be divided into hindered amines, benzotriazole and benzophenone three types.Between different type antioxidant and light stabilizer
Compounding, will produce collaboration or anti-synergistic effect, directly influence the persistence of the weather resistance of product.
Titanium dioxide is a kind of widely applied inorganic pigment, can be divided into rutile type titanium white and sharp according to crystal structure
Titanium-type titanium dioxide.Relative to anatase thpe white powder, rutile type titanium white has better weatherability, therefore rutile titanium dioxide
Powder is the preferred ultraviolet light screener of weather-proof polyvinyl chloride (PVC) product.The titanium dioxide that the country uses is as white pigment
Meanwhile it also can be used as ultraviolet light screener;And the ability of the uvioresistant irradiation of titanium dioxide and anti-oxidant grade weather resistances
Depend primarily on the consistency of its surface inorganic coating layer.Domestic titanium dioxide is although cheap, but due to technology and at
This reason of, the clad of outer surface often coat that uneven or clad is weaker, lead to the Ti0 of internal layer2By
Electronics is lost after photocatalysis and becomes active oxygen atom, accelerates the degradation and aging of PVC-U pipelines instead, even if noise elimination drainpipe
Change in shape or structure, under the degradation of PVC-U pipelines and aging conditions, noise still can increase.
Invention content
The object of the present invention is to provide PVC-U noise elimination drainpipes to pass through after the compatilizer that high molecular synthetic material is added
The suction-operated of high molecular synthetic material can reinforce formula components and the combination of matrix resin, the intensity of reinforcing material
And toughness, the degradation and aging of PVC-U pipelines, achieve the purpose that reduce noise.
PVC-U noise elimination drainpipes, are made of the raw material of following weight parts:
100 parts of polyvinyl chloride resin, 1-3 parts of titanium dioxide, 20-30 parts of filler, 1-3 parts of impact modifier, 2-3 parts of compatilizer, lubrication
1-2 parts of agent, 2-3 parts of toughener;
The compatilizer is high molecular synthetic material, is that one kind carrying opposite electricity for two by sulphur group with amide group
The high molecular polymer of functional group's synthesis of lotus, is by polystyrene storng-acid cation exchange resin, NN- dimethyl allene acyls
Amine (DMAM) and the mixing of initiator potassium persulfate, according to 80:20:1 mass ratio, in thermostatic container, under nitrogen protection,
70-80 DEG C is reacted 10-12 hours, cools down, washs, drying in the shade to obtain.
Polystyrene storng-acid cation exchange resin of the present invention is storng-acid cation exchange resin, model
001*7(732)、001*4(734)。
The titanium dioxide is rutile type titanium white.
The filler is one kind in calcium carbonate, kaolin, talcum powder.
The impact modifier is one in esters of acrylic acid, methyl methacrylate-butadiene-styrene (ABS)
Kind.
The lubricant is calcium stearate.
The toughener is Methacrylate-butadiene-styrene.
The preparation method of PVC-U noise eliminations drainpipe of the present invention is same as the prior art.
Compared with prior art, the invention has the advantages that:
1, the compatilizer used in the present invention is high molecular synthetic material, is in a kind of crosslinked with charge base
The polymer for the nemutogen for being tied with oppositely charged function base is submitted, there are two different groups for tool, it is in highly acidic cation
Exchanger resin (contains only sulfonic group-SO3 -H+) reticular structure in mutually pass through and be wound with oppositely charged functional group (containing ammonia
Base-CH2CHCO(CH3)2N+Cl-) linear polymer a kind of specific type resin, not only with negative and positive two in this resin
Kind of functional group, and both functional groups can attract each other pairing under suitable condition, neutralize Partial charge, formation
Inner salt band reduces the sorptive force to opposite charges.Its compatibility principle is:By the effect that there is a natural attraction between the sexes (electrostatic), anti-
It answers the substance with electrostatic in material to attract each other, achievees the purpose that close compatible.The compatilizer that the present invention uses is from molecule
Level strengthens suction-operated, to which compatible effect is more preferable.
2, the prior art produces PVC-U noise elimination drainpipes, and the fillers such as a large amount of calcium carbonate, kaolin, talcum powder can be added,
These fillers are easy to reunite when in use due to relatively thin, lead in matrix resin (chlorinated polyvinyl chloride resin+PVC trees
Fat) dispersion is uneven, influence material property, and filler is inorganic material, when unprocessed and the bond strength of matrix resin not
Height influences material property.The prior art is usually to first pass through using aluminate coupling agent, titanate ester coupling to the processing of filler
Agent etc. carries out one-time surface processing to filler, then using different coupling agents to filler secondary surface treatment, but such processing, increases
Add process, also increases cost.And the present invention passes through Polymer Synthesizing after the compatilizer that high molecular synthetic material is added
The suction-operated of material can effectively prevent filler reunion, and the bond strength of reinforcing filler and matrix resin, improve filler
Availability improves the performance of material, achievees the purpose that reduce noise.
3, in the prior art, by compounding light stabilizer and antioxidant with titanium dioxide, make light stabilizer and antioxygen
Agent can be good at being coated on titanium dioxide surface and form compacted zone, and a kind of weather resisting agent suitable for PVC-U drainpipes has been made.
And the present invention can reduce or be not added with above-mentioned material, after the compatilizer that high molecular synthetic material is added, be closed by macromolecule
At the suction-operated of material, formula components and the combination of matrix resin can be reinforced, the intensity and toughness of reinforcing material,
The degradation and aging of PVC-U pipelines achieve the purpose that reduce noise.
Specific implementation mode
With specific embodiment, the invention will be further described below, but the invention is not limited in these embodiments.
Embodiment 1
PVC-U noise elimination drainpipes, are made of the raw material of following weight parts:
100 parts of polyvinyl chloride resin, 1 part of rutile type titanium white, 20 parts of filler kaolin, impact modifier esters of acrylic acid 3
Part, 2 parts of compatilizer, 2 parts of lubricant stearic acid calcium, 3 parts of toughener Methacrylate-butadiene-styrene;
The compatilizer is high molecular synthetic material, is that one kind carrying opposite electricity for two by sulphur group with amide group
The high molecular polymer of functional group's synthesis of lotus, is by storng-acid cation exchange resin, model 001*7 (732), NN- diformazans
Base acrylamide (DMAM) and the mixing of initiator potassium persulfate, according to 80:20:1 mass ratio, in thermostatic container, in nitrogen
Under gas shielded, 70-80 DEG C react 10-12 hours, cool down, wash, drying in the shade to obtain.
Embodiment 2
PVC-U noise elimination drainpipes, are made of the raw material of following weight parts:
100 parts of polyvinyl chloride resin, 3 parts of rutile type titanium white, 30 parts of filler talcum powder, impact modifier methyl methacrylate
1 part of ester-butadiene-styrene (ABS), 3 parts of compatilizer, 1 part of lubricant stearic acid calcium, toughener methacrylic acid-butadiene-
2 parts of styrol copolymer;
The compatilizer is high molecular synthetic material, is that one kind carrying opposite electricity for two by sulphur group with amide group
The high molecular polymer of functional group's synthesis of lotus, is by storng-acid cation exchange resin, model 001*4 (734), NN- diformazans
Base acrylamide (DMAM) and the mixing of initiator potassium persulfate, according to 80:20:1 mass ratio, in thermostatic container, in nitrogen
Under gas shielded, 70-80 DEG C react 10-12 hours, cool down, wash, drying in the shade to obtain.
Embodiment 3
PVC-U noise elimination drainpipes, are made of the raw material of following weight parts:
100 parts of polyvinyl chloride resin, 2 parts of rutile type titanium white, 25 parts of filler-calcium carbonate, impact modifier esters of acrylic acid 2
Part, 3 parts of compatilizer, 2 parts of lubricant stearic acid calcium, 2 parts of toughener Methacrylate-butadiene-styrene;
The compatilizer is high molecular synthetic material, is that one kind carrying opposite electricity for two by sulphur group with amide group
The high molecular polymer of functional group's synthesis of lotus, is by storng-acid cation exchange resin, model 001*7 (732), NN- diformazans
Base acrylamide (DMAM) and the mixing of initiator potassium persulfate, according to 80:20:1 mass ratio, in thermostatic container, in nitrogen
Under gas shielded, 70-80 DEG C react 10-12 hours, cool down, wash, drying in the shade to obtain.
Comparative example 1:
100 parts of polyvinyl chloride resin, 2 parts of rutile type titanium white, 25 parts of filler-calcium carbonate, impact modifier esters of acrylic acid 2
Part, 2 parts of lubricant stearic acid calcium, 2 parts of toughener Methacrylate-butadiene-styrene.
Comparative example 2:
100 parts of polyvinyl chloride resins, 3 parts of calcium zinc stabilizers, 1 part of weather resisting agent, 15 parts of calcium carbonate, 3 parts of ABS, 4 parts of PE waxes, 3 parts plus
Work auxiliary agent, wherein weather resisting agent group are divided into:The ratio of light stabilizer GW-622/ antioxidant 1010s is 2:1, the two gross mass accounts for titanium white
Powder mass fraction 5%, coupling agent used are titante coupling agent.
Experimental example:
Five sets of two layers of single-stack drain systems, respectively embodiment and comparative example tubing are established in laboratory, choose two
Representative measurement point position.The duct noise under different flow is tested in measurement point position.
The measuring instrument that experiment is selected is ND6 type precision sound pressure meters, and the measurement error of the instrument is ± ldB.Recorder is
LR-04 type level recorders, the instrument are suitable for recording level and the functional relation or level of frequency and the functional relation of time.
When being more than 10dB with tested noise sound difference in view of background noise during noise level measurement, do not influence to measure
As a result, and less than 3dB when then produces bigger effect, therefore this experiment is in night l1:00- mornings 5:It is tested between 00, room
20 DEG C of interior temperature, background noise 36dB.
Experiment shows:
And the present invention is after the compatilizer that high molecular synthetic material is added, by the suction-operated of high molecular synthetic material,
It can reinforce formula components and the combination of matrix resin, the intensity and toughness of reinforcing material, the degradation of PVC-U pipelines and old
Change, achievees the purpose that reduce noise.
Claims (6)
1.PVC-U noise elimination drainpipes, which is characterized in that be made of the raw material of following weight parts:
100 parts of polyvinyl chloride resin, 1-3 parts of titanium dioxide, 20-30 parts of filler, 1-3 parts of impact modifier, 2-3 parts of compatilizer, lubricant 1-
2 parts, 2-3 parts of toughener;
The compatilizer is high molecular synthetic material, is a kind of to carry opposite charges by sulphur group and amide group two
Functional group synthesis high molecular polymer, be by polystyrene storng-acid cation exchange resin, NN- dimethacrylamide and
Initiator potassium persulfate mixes, according to 80:20:1 mass ratio, in thermostatic container, under nitrogen protection, 70-80 DEG C it is anti-
It answers 10-12 hours, cool down, wash, dries in the shade to obtain;
The polystyrene storng-acid cation exchange resin is storng-acid cation exchange resin, model 001*7,001*
4。
2. PVC-U noise eliminations drainpipe according to claim 1, it is characterised in that:The titanium dioxide is rutile type titanium
White powder.
3. PVC-U noise eliminations drainpipe according to claim 1, it is characterised in that:The filler is calcium carbonate, kaolinite
One kind in soil, talcum powder.
4. PVC-U noise eliminations drainpipe according to claim 1, it is characterised in that:The impact modifier is acrylic acid
One kind in esters, methyl methacrylate-butadiene-styrene.
5. PVC-U noise eliminations drainpipe according to claim 1, it is characterised in that:The lubricant is calcium stearate.
6. PVC-U noise eliminations drainpipe according to claim 1, it is characterised in that:The toughener is methacrylic acid-
Butadiene-styrene copolymer.
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CN201810692844.5A CN108727743A (en) | 2018-06-29 | 2018-06-29 | PVC-U noise elimination drainpipes |
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CN201810692844.5A CN108727743A (en) | 2018-06-29 | 2018-06-29 | PVC-U noise elimination drainpipes |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116178856A (en) * | 2022-12-23 | 2023-05-30 | 河南联塑实业有限公司 | PVC composition and application thereof |
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2018
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US20030204021A1 (en) * | 2002-04-26 | 2003-10-30 | Teknor Apex Company | Blends of fluoropolymer and plasticized polyvinyl chloride |
CN105385064A (en) * | 2015-12-11 | 2016-03-09 | 浙江同正管道技术有限公司 | U-PVC pipe with high impact resistant performance |
CN107778690A (en) * | 2016-08-29 | 2018-03-09 | 广西金滩管业科技有限公司 | Impact pvc pipe and its production method |
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