CN106046591A - Polyvinyl chloride foamed pipe - Google Patents

Polyvinyl chloride foamed pipe Download PDF

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Publication number
CN106046591A
CN106046591A CN201510974591.7A CN201510974591A CN106046591A CN 106046591 A CN106046591 A CN 106046591A CN 201510974591 A CN201510974591 A CN 201510974591A CN 106046591 A CN106046591 A CN 106046591A
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CN
China
Prior art keywords
polyvinyl chloride
parts
chloride pipe
foam polyvinyl
lubricant
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
Application number
CN201510974591.7A
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Chinese (zh)
Inventor
陈忠
陈际
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI SHANGSHU HOLDING GROUP CO Ltd
Original Assignee
SHANGHAI SHANGSHU HOLDING GROUP CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHANGHAI SHANGSHU HOLDING GROUP CO Ltd filed Critical SHANGHAI SHANGSHU HOLDING GROUP CO Ltd
Priority to CN201510974591.7A priority Critical patent/CN106046591A/en
Publication of CN106046591A publication Critical patent/CN106046591A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • C08J9/06—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 by a chemical blowing agent
    • C08J9/10—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 by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
    • C08J9/102—Azo-compounds
    • C08J9/103—Azodicarbonamide
    • 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
    • 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
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
    • 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
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
    • C08J2491/06—Waxes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/14—Applications used for foams
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

The invention provides a polyvinyl chloride foamed pipe, comprising inner and outer solid-wall layers and a middle foamed core layer. The inner and outer solid-wall layers are prepared from, by mass, 100 parts of polyvinyl chloride A, 2 to 4 parts of a stabilizing agent, 0.2 to 1 part of an inner lubricant, 0.2 to 1 part of an outer lubricant, 1 to 2 parts of a processing aid, 2 to 6 parts of an impact modifier, 11 to 15 parts of a filling material and 0.2 to 2 parts of pigment. The middle foamed core layer is prepared from, by mass, 100 parts of polyvinyl chloride B, 2 to 4 parts of a stabilizing agent, 0.2 to 1 part of an inner lubricant, 0.2 to 1 part of an outer lubricant, 4 to 6 parts of a processing aid, 2 to 6 parts of an impact modifier, 0.5 to 0.8 part of an AC foaming agent, 5 to 15 parts of a filling material and 0.2 to 2 parts of pigment. The polyvinyl chloride foamed pipe provided by the invention is corrosion-resistant, light, heat-insulating and shock-resistant; the circumferential rigidity of the polyvinyl chloride foamed pipe is about 8 times higher than the circumferential rigidity of common UPVC pipes; and compared with solid-wall pipes, the polyvinyl chloride foamed pipe provided by the invention saves raw materials by more than 25% and reduces noise by 2 to 3 db, having a substantial noise reduction function.

Description

A kind of foam polyvinyl chloride pipe
Technical field
The present invention relates to a kind of tubing, in particular it relates to a kind of foam polyvinyl chloride pipe
Background technology
Plastic conduit in traditional handicraft, is mainly used in using to, draining.But due to inner wall smooth, pouring Time be easy to produce the loudest singing of the stream.
In traditional technique, often using UPVC, it is the aggregated reaction of Vinyl Chloride Monomer and the nothing made Amorphous thermoplastic resin adds certain additive (such as stabilizer, lubricant, filler etc.) composition.Except With outside additive, additionally use and carry out the way of blending and modifying with other resin so that it is there is obvious practicality It is worth.These resins have CPVC, PE, ABS, EVA, MBS etc..The melt viscosity of UPVC is high, mobility Difference, even if improving injection pressure and melt temperature, the change of mobility is the most little.
It addition, the forming temperature of resin and heat decomposition temperature very close to, it is possible to the temperature range being shaped is very Narrow, it is a kind of material being difficult to molding.
Additionally, existing tubing the most all exist corrosion resistance more weak, thick and heavy and insulation, shockproof effect The best, manufacturing cost is the highest, be not appropriate for modernization commercial production needs.
Summary of the invention
It is contemplated that overcome drawbacks described above, manufacture a kind of PVC PVC core layer foaming tube, in the middle of it be Relative density is a kind of novel tube of 0.7-0.9 low ratio foamed layer, and itself is except corrosion-resistant, light weight, protects Temperature, shockproof outside, its hoop rigidity the most at least exceeds about 8 times of common UPVC pipe, compared with existing tubing Can at least conservation more than 25%, decrease of noise functions is the most notable, at least can reduce and make an uproar compared with existing tubing Sound 2～3db.
The invention provides a kind of foam polyvinyl chloride pipe, it is characterised in that: sent out by interior exterior-excess parietal layer and centre Bubble sandwich layer composition,
Wherein, interior exterior-excess parietal layer is fabricated by by the component of following mass fraction:
Middle foamed core layer is fabricated by by the component of following mass fraction:
During manufacturing, above-mentioned formula passes through extruder, interior exterior-excess parietal layer and middle foamed core layer is divided After other extrusion molding, then co-extruding mould composite molding completes.
Additionally, the foam polyvinyl chloride pipe that the present invention provides, also have a characteristic that above-mentioned polrvinyl chloride A It is the resin of 1000-1200 selected from the degree of polymerization；The above-mentioned polrvinyl chloride B degree of polymerization is the resin of 600-750.
Additionally, the foam polyvinyl chloride pipe that the present invention provides, also have a characteristic that aforementioned stable agent is selected From lead salts complex stabilizer, terres rares is compound, the mixture of one or more in metal soap stabilizer.
Lead salts is selected from lead sulfate tribasic, dibasic lead phosphite, dibasic lead stearate, stearic acid Lead, 2 ethyl acetic acid lead, lead salicylate, tribasic lead stearate, Dythal, three salt Base Malaysia lead plumbate (tribasic maleic acid lead).
Metal soap can be fatty acid (lauric acid, stearic acid, aphthenic acids etc.) metal (lead, barium, Cadmium, zinc, calcium etc.) salt, wherein the most commonly used with stearate.As: barium stearate, Osmanthus tragranscv.Aurantiacu acid barium, castor Fiber crops acid barium, cadmium stearate, cadmium ricinoleate, calcium stearate, calcium ricinoleate, zinc stearate, magnesium stearate.
Additionally, the foam polyvinyl chloride pipe that the present invention provides, also have a characteristic that above-mentioned in-lubricant The mixture of one or more in paraffin, stearic acid and its esters, PE, PTFE, PP.
Additionally, the foam polyvinyl chloride pipe that the present invention provides, also have a characteristic that above-mentioned external lubricant The mixture of one or more in paraffin, Tissuemat E, stearate lubrication prescription.
Additionally, the foam polyvinyl chloride pipe that the present invention provides, also have a characteristic that above-mentioned processing aid Selected from plasticizer, lubricant, heat stabilizer, impact modifier, processing aid etc..It is preferably acrylate Class.
Additionally, the foam polyvinyl chloride pipe that the present invention provides, also have a characteristic that above-mentioned impact modified Agent be selected from chlorinated polyethylene, ethylene/acetic acid ethylene copolymer, one or more in ACR impact modifier Mixture.
Additionally, the foam polyvinyl chloride pipe that the present invention provides, also have a characteristic that above-mentioned filler is selected from Wood powder, potter's clay, calcium carbonate, graphite, magnetic powder, Muscovitum, white carbon black, silicon dioxide, titanium dioxide, Pulvis Talci, The mixture of one or more in calcium carbonate, barium sulfate.
The effect of the present invention and effect
The foam polyvinyl chloride pipe that the present invention provides is made up of with intermediate core layer two-layer inside and outside one, and centre is phase Being a kind of novel tube of 0.7-0.9 low ratio foamed layer to density, itself is except corrosion-resistant, light weight, insulation, Outside shockproof, its hoop rigidity also exceeds about 8 times of common UPVC pipe, can save former compared with solid-wall pipe Material more than 25%, decrease of noise functions is the most notable, can reduce noise 2～3db compared with solid-wall pipe.
Specifically, the foam polyvinyl chloride pipe that the present invention provides is by interior exterior-excess parietal layer and middle foamed core layer group Becoming, the material of interior exterior-excess parietal layer, in addition to requiring good processing characteristics, possesses PVC-U again Strength character.
Therefore, pointing out in the present invention, preferably selecting intermediate molecular weight on polyvinyl chloride resin selects, the degree of polymerization is The resin of about 1000, such as, SG5.And core material wants the preferable low-molecular-weight of selecting liquidity, the degree of polymerization Being the resin of about 750, such as, SG7, the resin of the type not only can be conducive to the raising of foaming quality, also In being conducive to, exterior-excess parietal layer combines with the fine of sandwich layer.
Additionally, be to improve the processing characteristics of this product, should add a part of processing aid improves, as, third Olefin(e) acid lipid (ACR).The addition of the type auxiliary agent not only can improve the plasticizing of PVC compound, moreover it is possible to improves The melt strength of polyvinyl chloride resin, is unlikely to sandwich layer material and can't stand that gas pressure causes because holding in foaming process Cell collapse, causes the effect that abscess subsides.Rationally add the consumption of ACR, foam structure can be carried out Control.
Additionally, due to the plastic pipe impact strength that polrvinyl chloride is made is relatively low, the present invention is additionally added some and resists Impact modifier improves its fragility and the quick sex chromosome mosaicism of breach.Preferably having, anti-impact agent has chlorinated polyethylene (CPE), Ethylene/acetic acid ethylene copolymer (EVA), ACR impact modifier etc..
It addition, in the PVC-U plastic pipe course of processing, because the decomposition temperature of Corvic is close to it Processing temperature, for suppression extrusion time Corvic affected and phenomenon of decomposing by processing temperature, this Invention is additionally added a certain amount of heat stabilizer.Such as lead salts complex stabilizer, terres rares complex stabilizer etc.. Facts have proved along with lead salts complex stabilizer adds the increase the most substantially reduction AC foaming agent decomposition temperature of number The effect of degree.
It addition, during manufacturing, in order to reduce the friction between polymer and equipment, paraffin can be added, Tissuemat E is adjusted.Meanwhile, in order to reduce the friction of molecular resin interchain, improve inside resin Flowing, stearate lubrication prescription also should add in right amount.
It addition, in the present invention preferably inserts be mesh number about 800 light active calcium carbonate, should Inserts can promote foaming, improves gas forming amount and cell density, useful to the stability of regulation foaming structure. Addition controls between 10～20 parts, becomes big beyond this scope sandwich layer abscess, and pipe ring stiffness also can reduce.
Utilizing the product that above-mentioned formula obtains, lightweight, low cost, corrosion-resistant, insulation, shockproof, hoop is firm Property strong, also there is outstanding noise reduction characteristics, it is believed that this product can need heat insulation liquid pipeline in draining, conveying In be widely used.Along with China's degree of progress speed to security housing, drainage pipeline usage amount is year by year It is incremented by, the kind that in various plastic conduit, consumption figure is maximum will be become.
Specific embodiment
Embodiment one, foam polyvinyl chloride pipe 1#
Interior exterior-excess parietal layer is fabricated by by the component of following mass fraction:
PVC-SG5 type 100
Lead sulfate tribasic 2
Paraffin 0.2
Paraffin 0.2
ACR-201 1
CPE130A 2
800 mesh calcium carbonate 15
Titanium dioxide 0.1
Ultramarine 0.1
Middle foamed core layer is fabricated by by the component of following mass fraction:
Embodiment two, foam polyvinyl chloride pipe 2#
Interior exterior-excess parietal layer is fabricated by by the component of following mass fraction:
PVC-SG5 type 100
Barium stearate 2
Paraffin 1
Stearic acid 1801 1
ACR-901 2
EVA 6
Carbon black 15
Titanium dioxide 0.3
Ultramarine 0.3
Middle foamed core layer is fabricated by by the component of following mass fraction:
PVC-SG7 type 100
CZ-108 3
Paraffin 0.2
Stearic acid 1801 0.2
ACR-401 4
CPE130A 6
AC-1500 0.8
Carbon black 15
Titanium dioxide 0.2
Ultramarine 0.2
Embodiment three, foam polyvinyl chloride pipe 3#
Interior exterior-excess parietal layer is fabricated by by the component of following mass fraction:
PVC-SG5 type 100
CZ-108 3
Stearic acid 1500 1
Tissuemat E 0.7
ACR-201 2
EVA 4
White carbon 7
White carbon black 1
Middle foamed core layer is fabricated by by the component of following mass fraction:
PVC-SG7 type 100
CZ-108 4
Tissuemat E 0.5
Stearic acid 1500 0.5
ACR-201 5
CPE130A 2.5
AC-1500 0.6
White carbon 10
White carbon black 0.2
Embodiment four, foam polyvinyl chloride pipe 4#
Interior exterior-excess parietal layer is fabricated by by the component of following mass fraction:
Middle foamed core layer is fabricated by by the component of following mass fraction:
PVC-SG7 type 100
Lead sulfate tribasic/Osmanthus tragranscv.Aurantiacu acid barium (50/50) 4
Paraffin 0.7
Tissuemat E 0.7
ACR-II 4
MBS 6
AC foaming agent 0.7
800 mesh calcium carbonate 10
Titanium dioxide 2
Iron oxide red 0.2
Embodiment five, foam polyvinyl chloride pipe 5#
Interior exterior-excess parietal layer is fabricated by by the component of following mass fraction:
PVC-SG5 type 100
WP01 3
Paraffin 0.2～1
Tissuemat E 0.2～1
ACR-301 1～2
CPE140B 2～6
800 mesh calcium carbonate 10
Titanium dioxide 2
Phthalocyanine blue 0.1
Middle foamed core layer is fabricated by by the component of following mass fraction:
PVC-SG7 type 100
WP01 3
Tissuemat E 0.4
Stearic acid 1500 0.4
ACR-901 5
CPE140B 2
AC-1500 0.5
800 mesh calcium carbonate 10
Titanium dioxide 0.2
Phthalocyanine blue 0.1

Claims (8)

1. a foam polyvinyl chloride pipe, it is characterised in that: it is made up of interior exterior-excess parietal layer and middle foamed core layer, Wherein, described interior exterior-excess parietal layer is fabricated by by the component of following mass fraction:
Described middle foamed core layer is fabricated by by the component of following mass fraction:
2. a kind of foam polyvinyl chloride pipe as claimed in claim 1, it is characterised in that:
Described polrvinyl chloride A is the resin of 1000-1200 selected from the degree of polymerization；
The described polrvinyl chloride B degree of polymerization is the resin of 600-750.
3. a kind of foam polyvinyl chloride pipe as claimed in claim 1, it is characterised in that:
Described stabilizer is selected from lead salts complex stabilizer, terres rares is compound, one in metal soap stabilizer or Several mixture.
4. a kind of foam polyvinyl chloride pipe as claimed in claim 1, it is characterised in that:
Mixing of one or more in paraffin, stearic acid and its esters, PE, PTFE, PP of described in-lubricant Compound.
5. a kind of foam polyvinyl chloride pipe as claimed in claim 1, it is characterised in that:
The described external lubricant mixture of one or more in paraffin, Tissuemat E, stearate lubrication prescription.
6. a kind of foam polyvinyl chloride pipe as claimed in claim 1, it is characterised in that:
Described processing aid is acrylics.
7. a kind of foam polyvinyl chloride pipe as claimed in claim 1, it is characterised in that:
Described impact modifying agent is selected from chlorinated polyethylene, and ethylene/acetic acid ethylene copolymer, in ACR impact modifier The mixture of one or more.
8. a kind of foam polyvinyl chloride pipe as claimed in claim 1, it is characterised in that:
Described filler is selected from wood powder, potter's clay, calcium carbonate, graphite, magnetic powder, Muscovitum, white carbon black, silicon dioxide, titanium The mixture of one or more in white lead, Pulvis Talci, calcium carbonate, barium sulfate.
CN201510974591.7A 2015-12-22 2015-12-22 Polyvinyl chloride foamed pipe Pending CN106046591A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510974591.7A CN106046591A (en) 2015-12-22 2015-12-22 Polyvinyl chloride foamed pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510974591.7A CN106046591A (en) 2015-12-22 2015-12-22 Polyvinyl chloride foamed pipe

Publications (1)

Publication Number Publication Date
CN106046591A true CN106046591A (en) 2016-10-26

Family

ID=57179512

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510974591.7A Pending CN106046591A (en) 2015-12-22 2015-12-22 Polyvinyl chloride foamed pipe

Country Status (1)

Country Link
CN (1) CN106046591A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108276635A (en) * 2017-01-05 2018-07-13 上海清远管业科技有限公司 The preparation method of plastics PP Pipe Compound and square tube core layer foaming winding pipe based on the PP Pipe Compound
CN109825003A (en) * 2019-02-20 2019-05-31 广东光塑科技股份有限公司 A kind of luntttes and effective PVC modified material and preparation method thereof
CN114181432A (en) * 2021-12-10 2022-03-15 江苏吉龙运动休闲用品有限公司 PVC (polyvinyl chloride) mixed stabilizer and preparation method thereof
CN115322496A (en) * 2022-08-12 2022-11-11 联塑科技发展(贵阳)有限公司 Foaming PVC composite material and preparation method and application thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102313084A (en) * 2011-09-02 2012-01-11 王井洋 Three-layer noise reduction drainage pipe and manufacture method thereof
CN202597936U (en) * 2012-06-18 2012-12-12 广东雄塑科技实业有限公司 Unplasticised polyvinyl chloride (U-PVC) mute spiral noise reduction pipe
CN202708368U (en) * 2012-08-21 2013-01-30 上海上塑控股（集团）有限公司 Core layer foaming hush pipe
CN104927250A (en) * 2015-07-06 2015-09-23 江苏圣通环境工程有限公司 Novel hard PVC pipe and production process thereof
CN105062016A (en) * 2015-09-17 2015-11-18 贵州国塑科技管业有限责任公司 High-intensity three-layer noise-reducing mute water drainage pipe and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102313084A (en) * 2011-09-02 2012-01-11 王井洋 Three-layer noise reduction drainage pipe and manufacture method thereof
CN202597936U (en) * 2012-06-18 2012-12-12 广东雄塑科技实业有限公司 Unplasticised polyvinyl chloride (U-PVC) mute spiral noise reduction pipe
CN202708368U (en) * 2012-08-21 2013-01-30 上海上塑控股（集团）有限公司 Core layer foaming hush pipe
CN104927250A (en) * 2015-07-06 2015-09-23 江苏圣通环境工程有限公司 Novel hard PVC pipe and production process thereof
CN105062016A (en) * 2015-09-17 2015-11-18 贵州国塑科技管业有限责任公司 High-intensity three-layer noise-reducing mute water drainage pipe and preparation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108276635A (en) * 2017-01-05 2018-07-13 上海清远管业科技有限公司 The preparation method of plastics PP Pipe Compound and square tube core layer foaming winding pipe based on the PP Pipe Compound
CN109825003A (en) * 2019-02-20 2019-05-31 广东光塑科技股份有限公司 A kind of luntttes and effective PVC modified material and preparation method thereof
CN114181432A (en) * 2021-12-10 2022-03-15 江苏吉龙运动休闲用品有限公司 PVC (polyvinyl chloride) mixed stabilizer and preparation method thereof
CN115322496A (en) * 2022-08-12 2022-11-11 联塑科技发展(贵阳)有限公司 Foaming PVC composite material and preparation method and application thereof

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Application publication date: 20161026