CN106519388A - Foam material used for pipeline heat preservation, heat insulation and sound insulation and application thereof - Google Patents

Foam material used for pipeline heat preservation, heat insulation and sound insulation and application thereof Download PDF

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Publication number
CN106519388A
CN106519388A CN201610972120.7A CN201610972120A CN106519388A CN 106519388 A CN106519388 A CN 106519388A CN 201610972120 A CN201610972120 A CN 201610972120A CN 106519388 A CN106519388 A CN 106519388A
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pipeline
heat
insulation
compound
foam material
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王万炯
王劼宁
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Ningbo High Tech Zone Wanmeng New Mstar Technology Ltd
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Ningbo High Tech Zone Wanmeng New Mstar Technology Ltd
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Priority to CN201610972120.7A priority Critical patent/CN106519388A/en
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions 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
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/06Polyethene
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/24Crosslinking, e.g. vulcanising, of macromolecules
    • C08J3/246Intercrosslinking of at least two polymers
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06Working-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
    • C08J9/08Working-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 carbon dioxide
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06Working-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
    • C08J9/10Working-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
    • C08J9/102Azo-compounds
    • C08J9/103Azodicarbonamide
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06Working-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
    • C08J9/10Working-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
    • C08J9/104Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof
    • C08J9/105Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof containing sulfur
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions 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
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/08Copolymers of ethene
    • C08L23/0846Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0853Vinylacetate
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00Foams characterized by the expanding agent
    • C08J2203/02CO2-releasing, e.g. NaHCO3 and citric acid
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00Foams characterized by the expanding agent
    • C08J2203/04N2 releasing, ex azodicarbonamide or nitroso compound
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00Foams characterized by the expanding agent
    • C08J2203/20Ternary blends of expanding agents
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02Characterised 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
    • C08J2323/04Homopolymers or copolymers of ethene
    • C08J2323/06Polyethene
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02Characterised 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
    • C08J2323/04Homopolymers or copolymers of ethene
    • C08J2323/08Copolymers of ethene
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02Characterised 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
    • C08J2423/04Homopolymers or copolymers of ethene
    • C08J2423/08Copolymers of ethene
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02Characterised 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
    • C08J2423/16Ethene-propene or ethene-propene-diene copolymers
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    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/14Applications used for foams
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00Properties characterising the ingredient of the composition
    • C08L2207/06Properties of polyethylene
    • C08L2207/066LDPE (radical process)

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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)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Thermal Insulation (AREA)

Abstract

The invention discloses a foam material used for pipeline heat preservation, heat insulation and sound insulation and application thereof. The foam material is composed of, by weight, 100 parts of base materials, 1-20 parts of first foaming agents, 0.8-10 parts of second foaming agents, 1-18 parts of third foaming agents and 1.5-4 parts of cross-linking agents; and thermoplastic plastic or thermoplastic elastic bodies serves as the base materials, or a mixture of thermoplastic plastic or thermoplastic elastic bodies and rubber serves as the base materials. The invention further provides a foam material application method. The foam material has the advantages that the foam material can foam at the ordinary pressure, forming of independent bubbles in the foam material can be effectively prompted, adjacent bubbles in the foam material do not communicate with each other, the water absorption of the foam material is effectively lowered, and thus the effects of heat preservation, heat insulation and sound insulation of the foam material are improved; and the foam material is firmly attached to the outer peripheral faces of pipelines in complex shapes in the foaming expansion process, and the problem that liquid in the pipelines conducts heat exchange with air and then heat is leaked due to the fact that the liquid is not wrapped tightly is solved.

Description

For pipe insulation, the expanded material of heat-insulated, sound insulation and its application
Technical field
The present invention relates to a kind of expanded material manufacturing technology, especially it is a kind of for pipe insulation, the foaming of heat-insulated, sound insulation Material and its application.
Background technology
At present, the heat-insulation and heat-preservation to pipeline, particularly to complicated shape and the heat-insulation and heat-preservation of structural pipeline, mainly using two The method of kind, one is, using the insulation material of molding, two are, using the polyurethane material of foam-in-place, both defective, Using the heat preserving method of moulding material, on pipeline, meeting seam between insulation material, is not only had with structural pipeline to complicated shape Seam, and the untight problem of parcel is there is also, so as to reduce heat insulation effect.And adopt the side of polyurethane on-the-spot foam Method, due to the percent opening of abscess in polyurethane foam material it is very big, it is cold through over a long time during pipe insulation is heat-insulated Heat exchange, produced steam can make heat insulation effect prolongation over time and constantly decline, very in more and more suction abscesses To can also have the opposite effect, because the heat conductivity of water is much larger than the heat conductivity of air, while the component of complicated shape pipeline is often It is unable to Jing often dismountings to change heat-insulated, insulation, deadener.Therefore in the urgent need to a kind of use temperature retention time is longer on market Insulation material is filling up.
The content of the invention
First technical problem to be solved by this invention is provided a kind of formula and closes for above-mentioned state of the art Reason and be incubated, heat-insulated, soundproof efficiency it is good for pipe insulation, the expanded material of heat-insulated, sound insulation.
The present invention solve first technical scheme being adopted of above-mentioned technical problem for:This be used for pipe insulation, it is heat-insulated, every The expanded material of sound, it is characterised in that:The expanded material is made up of formula as below:100 weight portion of basic material, the first foaming 1~20 weight portion of agent, 0.8~10 weight portion of the second foaming agent, 1~18 weight portion of the 3rd foaming agent, 1.5~4 weight of cross-linking agent Part;The basic material is thermoplastic or thermoplastic elastomer (TPE), or:Thermoplastic or thermoplastic elastomer (TPE) and rubber The mixture of glue, when the basic material selects the mixture for thermoplastic or thermoplastic elastomer (TPE) and rubber, thermoplastic Property plastics or the mixing ratio of thermoplastic elastomer (TPE) and rubber be 60~90: 40~10;First foaming agent is two formyl of azo Amine, second foaming agent are sodium bicarbonate, and the 3rd foaming agent is OBSH foaming agent.
Used as improvement, the cross-linking agent is preferably cumyl peroxide, BIPB cross-linking agent, 2,5- dimethyl -2,5 two One or more mixture in tert-butyl hydroperoxide hexane, TAIC cross-linking agent.
Used as improvement, the BIPB cross-linking agent may be selected to be dual-tert-butyl peroxide diisopropyl benzene;The TAIC is handed over Connection agent may be selected to be Triallyl isocyanurate.
Used as improvement, it is C that the OBSH foaming agent is molecular formula12H14O5H4S2;Chemical name:The double benzene sulfonyls of 4,4- oxos Hydrazine.
As improvement, 0.5~3 weight portion of blowing promotor in the formula, is may further be enriched with, the blowing promotor is preferable For Zinc Oxide or/and zinc stearate.
As improvement, 0.8~2 weight portion of lubricant in the formula, is may further be enriched with, the lubricant may be selected to be firmly Ester acid.
As improvement, 1~25 weight portion of fire retardant, 0.2~5 weight portion of pigment, filling in the formula, is may further be enriched with 1~30 weight portion of agent, 0.2~1 weight portion of antioxidant, 0.3~2 weight portion of ultraviolet (UV) resistant agent, the fire retardant are antimony trioxide, The filler is Calcium Carbonate or wollastonite, and antioxidant is irgasfos 168, and the irgasfos 168 is three (2,4- bis- uncles of phosphorous acid Butyl phenyl) ester, or cry:Three (2,4- di-t-butyl) phenyl-phosphite, the ultraviolet (UV) resistant agent be 2- (2 '-hydroxyl -5 ' - T-octyl phenyl) benzotriazole.
Improve again, the thermoplastic or thermoplastic elastomer (TPE) may be selected to be:EVA, polyethylene from high pressure process, one kind of EBA, Two kinds or three kinds of mixture compounds, the rubber may be selected to be ethylene propylene diene rubber.
Second technical problem to be solved by this invention is to provide a kind of for managing for above-mentioned state of the art Road insulation, the application of the expanded material of heat-insulated, sound insulation, using the expanded material of the present invention, can be according to need by expanded material Pipeline to be incubated individually is coated, and energy expanded material is adhered on the outer peripheral face of pipeline securely.
The present invention solve second technical scheme being adopted of above-mentioned technical problem for:Foamed according to made by above-mentioned formula The application of material, it is characterised in that:The applying step is as follows:Basic material is mixed with the auxiliary agent being related to by above-mentioned formula After form compound, being then covered in compound needs insulation, on the outer peripheral face of heat-insulated, sound insulation pipeline, will be enclosed with mixing It is expanded by heating foaming in 160~180 DEG C that the pipeline of material is placed in temperature, by expanded material secure adhesion in pipeline outer peripheral face On, and will have for pipe insulation, heat-insulated, sound insulation expanded material be coated on pipeline outer peripheral face, make pipeline possess insulation, The performance of heat-insulated, sound insulation;The time of foaming is:It is wrapped in thickness × 3 minute of compound on pipeline, the list of the thickness Position is millimeter.
Used as improvement, described that compound is covered on the outer peripheral face of pipeline, which concretely comprises the following steps:By compound by note Penetrate and be covered on the outer peripheral face of pipeline, injection temperature is 98~125 DEG C, or, compound is dissolved in into ethylene glycol acetic acid In ester, then the compound being dissolved in ethylene glycol ether acetate is sprayed to need insulation, the outer peripheral face of heat-insulated, sound insulation pipeline On, or, compound is dissolved in ethylene glycol ether acetate, then the opening envelope of insulation, heat-insulated, sound insulation pipeline will be needed Close, then pipeline impregnated in be dissolved with the ethylene glycol ether acetate of compound, make compound be covered in the outer peripheral face of pipeline On.
Compared with prior art, it is an advantage of the current invention that the applicant passes through years of researches and test, have developed A kind of expanded material that can be used on labyrinth pipeline and the method expanded material being applied on pipeline.This expanded material Formula, not only raw material sources are extensively, cheap, and importantly, adopt expanded material made by inventive formulation Can foam at ambient pressure, as the present invention adopts three kinds of foaming agent, because of AC foaming agent, (i.e. azodicarbonamide foaming agent, that is, claim First foaming agent) high amount of heat can be produced when decomposing, the rupture of expanded material cell wall is so easily caused at ambient pressure, For adding the second foaming agent of sodium bicarbonate (i.e. sodium bicarbonate) in this this formula, because sodium bicarbonate can absorb heat in decomposition Amount, the heat that such AC foaming agent is produced are absorbed by sodium bicarbonate, reach suction so as to reach the first foaming agent and the second foaming agent Thermal discharge is balanced, and enables expanded material that the rupture of expanded material cell wall is greatly reduced when foaming at normal temperatures, is effectively promoted Enter the formation of separated foam in expanded material, make it is not connected between adjacent bubbles in expanded material, so as to significantly reduce The water absorption rate of expanded material, improves the insulation of expanded material, heat-insulated, soundproof effect then;Further, this expanded material is in foaming Together with being firmly adhered to complicated shape pipeline outer peripheral face in expansion process, connecing of existing between expanded material is not only eliminated A seam difficult problem, and more importantly expanded material firmly, closely, hermetically can be wrapped on the outer peripheral face of complicated shape pipeline, The liquid eliminated in pipeline expels the heat-evil because wrapping up not closely exchange cold and hot with air, so that the guarantor of complicated shape pipeline Warm, heat-insulated, soundproof effect reaches a qualitative leap;Further, this expanded material be pipeline external surface is wrapped up (or claim cover Lid) foam again, so pipeline or pipe joint will be changed all without impact heat preserving and insulating material parcel effect;Therefore the present invention is protected The expanded material formula of warm, heat-insulated, sound insulation and application, the insulation, heat-insulated, sound insulation to pipeline serve one and revolutionary change Enter, solve that pipe insulation in the market, heat-insulated, sound insulation are difficult, particularly complicated shape pipe insulation, heat-insulated, sound insulation is difficult One big problem is pipe insulation, heat-insulated, soundproofing field brings has big Gospel.
Specific embodiment
With reference to embodiments the present invention is described in further detail.
The present embodiment for pipe insulation, the expanded material of heat-insulated, sound insulation, the expanded material is by formula as below group Into:100 weight portion of basic material, 1~20 weight portion of the first foaming agent, 0.8~10 weight portion of the second foaming agent, the 3rd foaming agent 1~18 weight portion, 1.5~4 weight portion of cross-linking agent;The basic material is thermoplastic or thermoplastic elastomer (TPE), or: Thermoplastic or thermoplastic elastomer (TPE) and the mixture of rubber, select to be thermoplastic or thermoplasticity when the basic material During the mixture of elastomer and rubber, thermoplastic or thermoplastic elastomer (TPE) are 60~90: 40~10 with the mixing ratio of rubber; First foaming agent is azodicarbonamide, and second foaming agent is sodium bicarbonate, and the 3rd foaming agent is that OBSH sends out Infusion.The cross-linking agent be cumyl peroxide, BIPB cross-linking agent, 2,5- dimethyl -2,5 di-tert-butyl peroxide hexanes, One or more mixture in TAIC cross-linking agent.The BIPB cross-linking agent is dual-tert-butyl peroxide diisopropyl benzene;Institute TAIC cross-linking agent is stated for Triallyl isocyanurate.It is C that the OBSH foaming agent is molecular formula12H14O5H4S2;Chemical name: 4,4- OBSHs, or cry, 4,4 '-disulfonyl hydrazide diphenyl ether.Also be added with the formula blowing promotor 0.5~ 3 weight portions, the blowing promotor are Zinc Oxide or/and zinc stearate.Lubricant 0.8~2 weight is added with the formula also Part, the lubricant is stearic acid.Fire retardant 1~25 weight portion is added with the formula also, 0.2~5 weight portion of pigment is filled out 1~30 weight portion of agent is filled, 0.2~1 weight portion of antioxidant, 0.3~2 weight portion of ultraviolet (UV) resistant agent, the fire retardant are three oxidations Antimony, the filler are Calcium Carbonate or wollastonite, and antioxidant is irgasfos 168, and the irgasfos 168 is phosphorous acid three (2,4- Di-tert-butyl-phenyl) ester, or cry:Three (2,4- di-t-butyl) phenyl-phosphite, the ultraviolet (UV) resistant agent be 2- (2 '-hydroxyl- 5 '-t-octyl phenyl) benzotriazole.The thermoplastic or thermoplastic elastomer (TPE) are:EVA, polyethylene from high pressure process, the one of EBA Kind, two kinds or three kinds of mixture compounds, the mixing ratio are arbitrarily ratio.The rubber is ethylene propylene diene rubber.The EVA is second Alkene vinyl acetate co-polymer, the EBA are ethylene butyl acrylate copolymer.
The application of the foam material being made according to above-mentioned formula, the applying step are as follows:By above-mentioned formula by basis Material forms compound after mixing with the auxiliary agent being related to, then compound is covered in need insulation, it is heat-insulated, sound insulation pipeline On outer peripheral face, the pipeline for being enclosed with compound is placed in into temperature for expanded by heating foaming in 160~180 DEG C, by foaming material Material secure adhesion is on pipeline outer peripheral face, and will be coated on outside pipeline with the expanded material for pipe insulation, heat-insulated, sound insulation On side face, pipeline is made to possess insulation, the performance of heat-insulated, sound insulation;The time of foaming is:It is wrapped in the thickness of compound on pipeline Degree × 3 minutes, the unit of the thickness is millimeter.Such as, the time is represented for t, and thickness is represented for m, then time formula is:T=mm × 3 minutes.Described that compound is covered on the outer peripheral face of pipeline, which concretely comprises the following steps:Compound is covered in by injection On the outer peripheral face of pipeline, injection temperature is 98~125 DEG C, or, compound is dissolved in ethylene glycol ether acetate, then will The compound being dissolved in ethylene glycol ether acetate is sprayed to needs insulation, on the outer peripheral face of heat-insulated, sound insulation pipeline, or, Compound is dissolved in ethylene glycol ether acetate, then the closure of openings of insulation, heat-insulated, sound insulation pipeline will be needed, then will pipe Road impregnated in and be dissolved with the ethylene glycol ether acetate of compound, compound is covered on the outer peripheral face of pipeline.
The invention will be further described below, and LDPE below refers to polyethylene from high pressure process;DCP cross-linking agent refers to peroxidating Diisopropylbenzene (DIPB), EPDM refer to ethylene propylene diene rubber, and EVA refers to ethylene vinyl acetate copolymer.
Embodiment one, for pipe insulation, the expanded material of heat-insulated, sound insulation, the expanded material is made up of formula as below:
After mixing, the extruding pelletization in 105~125 DEG C of extruder, by the mixed of pelletize for the various raw materials of above-mentioned formula Material injection parcel is closed to pipeline, injection temperature is 105~125 DEG C, then the pipeline that injection is enclosed with compound is placed in drying tunnel In foamed, blowing temperature be 160~180 DEG C, foamed time be t=mm × 3 minute, take out pipeline be enclosed with insulation, The pipeline of heat-insulated, sound insulation.
Embodiment two, for pipe insulation, the expanded material of heat-insulated, sound insulation, the expanded material is made up of formula as below:
After mixing, the extruding pelletization in 95~115 DEG C of extruder, by the mixing of pelletize for the various raw materials of above-mentioned formula To pipeline, injection temperature is 98~110 DEG C to material injection parcel, then the pipeline that injection is enclosed with compound is placed in drying tunnel Row foaming, blowing temperature be 160~180 DEG C, foamed time be t=mm × 3 minute, take out pipeline be enclosed with insulation, it is heat-insulated, The pipeline of sound insulation.
Embodiment three, for pipe insulation, the expanded material of heat-insulated, sound insulation, the expanded material is made up of formula as below:
After mixing, the extruding pelletization in 105~125 DEG C of extruder, by the mixed of pelletize for the various raw materials of above-mentioned formula Material injection parcel is closed to pipeline, injection temperature is 115~125 DEG C, then the pipeline that injection is enclosed with compound is placed in drying tunnel In foamed, blowing temperature be 160~180 DEG C, foamed time be t=mm × 3 minute, take out pipeline be enclosed with insulation, The pipeline of heat-insulated, sound insulation.

Claims (10)

1. it is a kind of for pipe insulation, the expanded material of heat-insulated, sound insulation, it is characterised in that:The expanded material is by formula as below Composition:100 weight portion of basic material, 1~20 weight portion of the first foaming agent, 0.8~10 weight portion of the second foaming agent, the 3rd foaming 1~18 weight portion of agent, 1.5~4 weight portion of cross-linking agent;The basic material is thermoplastic or thermoplastic elastomer (TPE), or It is:Thermoplastic or thermoplastic elastomer (TPE) and the mixture of rubber, select to be thermoplastic or heat when the basic material During the mixture of thermoplastic elastic and rubber, thermoplastic or thermoplastic elastomer (TPE) are 60~90: 40 with the mixing ratio of rubber ~10;First foaming agent is azodicarbonamide, and second foaming agent is sodium bicarbonate, and the 3rd foaming agent is OBSH foaming agent.
2. expanded material according to claim 1, it is characterised in that:The cross-linking agent is cumyl peroxide, BIPB Cross-linking agent, 2,5- dimethyl -2, one or more mixture in 5 di-tert-butyl peroxide hexanes, TAIC cross-linking agent.
3. expanded material according to claim 2, it is characterised in that:The BIPB cross-linking agent is dual-tert-butyl peroxide Diisopropyl benzene;The TAIC cross-linking agent is Triallyl isocyanurate.
4. expanded material according to claim 1, it is characterised in that:The OBSH foaming agent for molecular formula is C12H14O5H4S2;Chemical name:4,4- OBSHs.
5. expanded material according to claim 3, it is characterised in that:Blowing promotor 0.5~3 is added with the formula also Weight portion, the blowing promotor are Zinc Oxide or/and zinc stearate.
6. expanded material according to claim 5, it is characterised in that:Lubricant 0.8~2 weight is added with the formula also Amount part, the lubricant are stearic acid.
7. expanded material according to claim 6, it is characterised in that:Fire retardant 1~25 weight is added with the formula also Amount part, 0.2~5 weight portion of pigment, 1~30 weight portion of filler, 0.2~1 weight portion of antioxidant, 0.3~2 weight of ultraviolet (UV) resistant agent Amount part, the fire retardant are antimony trioxide, and the filler is Calcium Carbonate or wollastonite, and antioxidant is irgasfos 168, described anti- Oxygen agent 168 is phosphorous acid three (2,4- di-tert-butyl-phenyl) ester, or is cried:Three (2,4- di-t-butyl) phenyl-phosphite, it is described Ultraviolet (UV) resistant agent is 2- (2 '-hydroxyl -5 '-t-octyl phenyl) benzotriazole.
8. according to arbitrary described expanded material in claim 1 to 7, it is characterised in that:The thermoplastic or thermoplasticity Elastomer is:EVA, polyethylene from high pressure process, one kind of EBA, two kinds or three kinds of mixture compounds, the rubber are ethylene-propylene-diene monomer Glue.
9. in a kind of claim 1 to 7 arbitrary expanded material application, it is characterised in that:The applying step is as follows:Press Above-mentioned formula forms compound after basic material is mixed with the auxiliary agent being related to, then compound is covered in need insulation, On the outer peripheral face of heat-insulated, sound insulation pipeline, the pipeline for being enclosed with compound is placed in into temperature and is sent out for expanded by heating in 160~180 DEG C Type is soaked, by expanded material secure adhesion on pipeline outer peripheral face, and by with the foaming for pipe insulation, heat-insulated, sound insulation Material is coated on pipeline outer peripheral face, makes pipeline possess insulation, the performance of heat-insulated, sound insulation, and the time of foaming is:It is wrapped in Thickness × 3 minute of compound on pipeline, the unit of the thickness is millimeter.
10. application according to claim 9, it is characterised in that:It is described that compound is covered on the outer peripheral face of pipeline, its Concretely comprise the following steps:Compound is covered on the outer peripheral face of pipeline by injection, injection temperature is 98~125 DEG C, or, will be mixed Close material be dissolved in ethylene glycol ether acetate, then the compound being dissolved in ethylene glycol ether acetate is sprayed to need protect On the outer peripheral face of warm, heat-insulated, sound insulation pipeline, or, compound is dissolved in ethylene glycol ether acetate, then will need to protect Warm, the heat-insulated, closure of openings of sound insulation pipeline, then pipeline impregnated in be dissolved with the ethylene glycol ether acetate of compound, make Compound is covered on the outer peripheral face of pipeline.
CN201610972120.7A 2016-10-25 2016-10-25 Foam material used for pipeline heat preservation, heat insulation and sound insulation and application thereof Pending CN106519388A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108164838A (en) * 2017-12-27 2018-06-15 河北金威新型建筑材料有限公司 The production method of high-temperature flexible heat-insulating material
CN108948465A (en) * 2018-07-04 2018-12-07 合肥帧讯低温科技有限公司 High-strength heat-insulating pipeline and preparation method thereof
CN113635509A (en) * 2021-08-13 2021-11-12 常州丰锦塑胶科技有限公司 Foaming process of compression-resistant heat-insulating pipe

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010009930A1 (en) * 1999-02-10 2001-07-26 Michael S. Lunt Elastomeric shock absorbing component and method of manufacture thereof
CN103254508A (en) * 2013-05-16 2013-08-21 泉州三盛橡塑发泡鞋材有限公司 Foaming material of propylene based elastomer
CN104650443A (en) * 2013-11-19 2015-05-27 中国石油化工股份有限公司 A flame-retardant EVA foaming material and a preparing method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010009930A1 (en) * 1999-02-10 2001-07-26 Michael S. Lunt Elastomeric shock absorbing component and method of manufacture thereof
CN103254508A (en) * 2013-05-16 2013-08-21 泉州三盛橡塑发泡鞋材有限公司 Foaming material of propylene based elastomer
CN104650443A (en) * 2013-11-19 2015-05-27 中国石油化工股份有限公司 A flame-retardant EVA foaming material and a preparing method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108164838A (en) * 2017-12-27 2018-06-15 河北金威新型建筑材料有限公司 The production method of high-temperature flexible heat-insulating material
CN108948465A (en) * 2018-07-04 2018-12-07 合肥帧讯低温科技有限公司 High-strength heat-insulating pipeline and preparation method thereof
CN113635509A (en) * 2021-08-13 2021-11-12 常州丰锦塑胶科技有限公司 Foaming process of compression-resistant heat-insulating pipe

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