CN104072881A - Thermoplastic micro-foaming damping material and preparation method thereof - Google Patents

Thermoplastic micro-foaming damping material and preparation method thereof Download PDF

Info

Publication number
CN104072881A
CN104072881A CN201310103357.8A CN201310103357A CN104072881A CN 104072881 A CN104072881 A CN 104072881A CN 201310103357 A CN201310103357 A CN 201310103357A CN 104072881 A CN104072881 A CN 104072881A
Authority
CN
China
Prior art keywords
parts
foaming
micro
thermoplasticity
thermoplastic
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.)
Granted
Application number
CN201310103357.8A
Other languages
Chinese (zh)
Other versions
CN104072881B (en
Inventor
杨桂生
郭学林
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.)
Nanjing Qingyan New Materials Research Institute Co., Ltd.
Original Assignee
CHUZHOU GEMEITE TECHNOLOGY 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 CHUZHOU GEMEITE TECHNOLOGY CO LTD filed Critical CHUZHOU GEMEITE TECHNOLOGY CO LTD
Priority to CN201310103357.8A priority Critical patent/CN104072881B/en
Publication of CN104072881A publication Critical patent/CN104072881A/en
Application granted granted Critical
Publication of CN104072881B publication Critical patent/CN104072881B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/14—Copolymers of propene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • 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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
    • C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
    • 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
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76494—Controlled parameter
    • B29C2945/76498—Pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76494—Controlled parameter
    • B29C2945/76531—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76494—Controlled parameter
    • B29C2945/76551—Time
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/14—Copolymers of propene
    • 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
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/04—Thermoplastic elastomer
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/066—LDPE (radical process)

Abstract

The invention belongs to the technical field of polymer material processing, and relates to a thermoplastic micro-foaming damping material and a preparation method thereof. The damping material is composed of the following components in parts by weight: 80 to 100 parts of polypropylene, 50 to 80 parts of thermoplastic elastomer, 8 to 15 parts of filling materials, 1 to 2 parts of antioxidant, 12 to 25 parts of viscosity adjusting agent, 10 to 18 parts of foaming master batch, and 0.8 to 1.5 parts of dispersant. Polypropylene is co-modified by the thermoplastic elastomer and a viscosity adjusting agent to prepare the thermoplastic micro-foaming damping material so as to achieve the goals of toughening and strengthening; and at the same time, foaming master batch is added for injection foaming, so the foaming is uniform and the product appearance is beautiful. The preparation method has the advantages of simple formula, easily available raw materials, low cost, simple operation, controllable technology conditions, low operation cost, high production efficiency, and good product performance. The thermoplastic micro-foaming damping material is widely used in industries such as package industry, construction industry, automobile industry, aerospace industry, and sports equipment industry.

Description

Micro-foamed damping material of a kind of thermoplasticity and preparation method thereof
Technical field
The invention belongs to processing of high molecular material technical field, relate to micro-foamed damping material of a kind of thermoplasticity and preparation method thereof.
Background technology
Micro-foaming material refers to take polymer materials as matrix, wherein contains abscess-size from being less than the porous polymer material of a micron to tens microns.Porous plastics prepared by conventional physics or chemical blowing process is because its aperture is larger, conventionally do not belong to this category, compare with the millimetre-sized abscess of general porous plastics, the abscess of micro-foamable polymer is much smaller, and cell density is much bigger, thereby be called micro-foamed polymer material.Micro-foamed thermoplastic elastomers is because it has good mechanical property, excellent resistance toheat, resistant to chemical media, weathering resistance and ageing resistance has been applied to the damping field of high-speed railway, but that generally uses at present prepares in pure foamed thermoplastic elastomers not independently bubble with chemical blowing process, bubble is large and remain chemical substance, its mechanical properties etc. are unstable, can't meet the needs of high ferro damping completely.Existing rubber pad, EVA pad, TPU pad have been difficult to meet the damping requirement of growing high-speed railway, and work-ing life is also short; Though and engineering plastics have higher-strength but itself snappiness and dynamic properties cause its damping effect poor.
Summary of the invention
The object of the invention is to provides micro-foamed damping material of a kind of thermoplasticity and preparation method thereof for overcoming the defect of prior art.
For achieving the above object, the technical solution used in the present invention is as follows:
The micro-foamed damping material of thermoplasticity, by the component that comprises following weight part, made:
Described polypropylene is selected from Co-polypropylene, and its melting index is 1.5～3g/10min.
Described thermoplastic elastomer is selected from one or more in thermoplastic polyester elastomer (TPEE), thermoplasticity Ethylene Propylene Terpolymer dynamic vulcanization elastomerics (TPV) or thermoplastic styrene class elastomerics (TPS); Wherein, thermoplastic polyester elastomer (TPEE) is by terephthalic acid 1,4 butyleneglycols and poly-butanols copolymerization form, thermoplasticity Ethylene Propylene Terpolymer dynamic vulcanization elastomerics (TPV) is formed in acrylic plastering matrix by terpolymer EP rubber microparticulate, and thermoplastic styrene class elastomerics (TPS) is the multipolymer of divinyl or isoprene and styrene block type.
Described filler is selected from one or more in titanium dioxide, mica, talcum powder or silicon-dioxide.
Described oxidation inhibitor is selected from thio-2 acid octadecyl ester, [β-(3,5 di-t-butyl 4-hydroxyl-phenyl) propionic acid] pentaerythritol ester, Tyox B or 4, one or more in 4 '-sulfo-(6-tertiary butyl-3-methylphenol).
Described viscosity modifier is selected from one or more in Low Density Polyethylene, acrylonitrile-butadiene-styrene terpolymer or ethylene-vinyl acetate copolymer.
Described dispersion agent is selected from one or more in oleic acid, polyethylene wax or stearic acid.
Described foaming master batch is made by the component that comprises following weight part:
Described whipping agent is Cellmic C 121.
Described nucleator is talcum powder.
Described cladding is ethylene-vinyl acetate copolymer.
Described foaming master batch vector resin is Low Density Polyethylene.
A preparation method for the micro-foamed damping material of above-mentioned thermoplasticity, comprises the following steps:
(1) prepare foaming master batch: by 15～25 parts of whipping agents, 45～60 parts of nucleators, 30～45 parts of claddings, after 100 parts of foaming master batch vector resins add homogenizer fully to mix, utilize that twin screw extruder is extruded, granulation; Extrusion temperature is 140～150 ℃, and screw speed is 40r/min;
(2) prepare base-material: by 80～100 parts of polypropylene, 50～80 parts of thermoplastic elastomers, 8～15 parts of fillers, 1～2 part, oxidation inhibitor, 12～25 parts of viscosity modifiers, 0.8～1.5 part of dispersion agent adds stirrer high speed to be uniformly mixed 5～8min, then joins twin screw extruder and carries out granulation; Rotating speed is 180～240r/min, and Temperature Setting is 180～190 ℃, and water cooling bracing pelletizing becomes base-material;
(3) injection foaming: get in step 2 base-material of preparation, then add 10～18 parts of foaming master batchs and be mixed to join injector hopper injection foaming and obtain product.
Twin screw extruder diameter 76mm in described step (1), length-to-diameter ratio 40;
In described step (3), the concrete technology of injection foaming is: injector drying temperature is 80～90 ℃, injection pressure is 55～65MPa, be 1～2 second inject time, barrel zone temperature is respectively 185～195 ℃, 190～200 ℃, 175～185 ℃, nozzle temperature is 185～195 ℃, and die temperature is 20～30 ℃.
The prescription of micro-foamed damping material provided by the invention is simple, raw material is easy to get, with low cost, and the properties of product is good.Moulding product of the present invention is that aperture is the micro-foaming elastomer goods of closed pore of tens microns, and its smooth in appearance is smooth, has advantages of that independently bubble, foaming are less, residual without chemical substance.Simultaneously moulding product of the present invention can loss of weight 10%-40%, when being hit, the energy of absorption can increase 3-5 doubly, can make original crack tip passivation, thereby improved toughness and the antifatigue life-span of material, can meet the requirement such as mechanical property, elasticity, kinetic energy absorption of high ferro shock-absorption backing plate needs.
Beneficial effect of the present invention:
Compared with prior art, the micro-foamed damping material of thermoplasticity of the present invention adopts thermoplastic elastomer and viscosity modifier composite modified polypropylene, because viscosity modifier makes, thermoplastic elastomer and filler mobility in polypropylene is easy to control, interface is compatible good, reach the object that the while is toughness reinforcing, strengthen, ageing resistance and the anti-discolouration of material by adding oxidation inhibitor, have been improved, and add foaming master batch and carry out injection foaming, uniform in foaming, can easily control the attractive in appearance of the foaming size of abscess and product surface;
While foaming master batch of the present invention has overcome powdery whipping agent and has been easy to fly upward, affect the defects such as Measuring Precision and Working environment health, whipping agent is made to suitable size, evengranular master batch, there is high gas-forming property, the good dispersed and consistency good with resin, be easy to form the porous, expanded material structure that the closed pore gas-solid of standard combines, thermoplastic plastic's melt flow and melt diffusion have been increased, . improved melt strength, when being hit, the energy absorbing rises to five times, can make original crack tip passivation, thereby toughness and the resistance to fatigue of material have been improved.
In addition, preparation method provided by the invention is simple to operate, and processing condition are easy to control, good product performance, steady quality.
Embodiment
Below in conjunction with specific embodiment, further illustrate the present invention.In following examples, adopt GB(GB) measure the properties of material, if no special instructions, the umber of component is parts by weight.In addition, in the following example, polypropylene is selected from Co-polypropylene, and its melting index is 1.5～3g/10min.
Embodiment 1
Being prepared as follows of the micro-foamed damping material of thermoplasticity in the present embodiment:
(1) prepare foaming master batch: by 18 parts of Cellmic C 121s, 50 parts of talcum powder, 30 parts of ethylene-vinyl acetate copolymers, after 100 parts of Low Density Polyethylenes add homogenizer fully to mix, utilize that twin screw extruder is extruded, granulation; Extrusion temperature is 140～145 ℃, and screw speed is 40r/min;
(2) prepare base-material: by 100 parts of polypropylene, 50 parts, thermoplasticity Ethylene Propylene Terpolymer dynamic vulcanization elastomerics (TPV), 15 parts of titanium dioxides, 1.2 parts of thio-2 acid octadecyl esters, 12 parts of Low Density Polyethylenes, 1.3 parts of polyethylene waxs add stirrer high speed to be uniformly mixed 5min, then join twin screw extruder and carry out granulation; Rotating speed is 210r/min, and Temperature Setting is 180～185 ℃, and water cooling bracing pelletizing becomes base-material;
(3) injection foaming: get above-mentioned gained base-material, then add 15 parts of foaming master batchs and be mixed to join injector hopper injection foaming and obtain product.
Twin screw extruder diameter 76mm described above, length-to-diameter ratio 40; Injector drying temperature is 80～90 ℃, and injection pressure is 58MPa, and be 1 second inject time, and barrel zone temperature is respectively 185～190 ℃, 190～195 ℃, 175～180 ℃, and nozzle temperature is 185～190 ℃, and die temperature is 20～25 ℃.Its properties test sees attached list 1.
Embodiment 2
Being prepared as follows of the micro-foamed damping material of thermoplasticity in the present embodiment:
(1) prepare foaming master batch: by 15 parts of Cellmic C 121s, 45 parts of talcum powder, 35 parts of ethylene-vinyl acetate copolymers, after 100 parts of Low Density Polyethylenes add homogenizer fully to mix, utilize that twin screw extruder is extruded, granulation; Extrusion temperature is 140～145 ℃, and screw speed is 40r/min;
(2) prepare base-material: by 90 parts of polypropylene, 65 parts, thermoplastic styrene class elastomerics (TPS), 4 parts of 4 parts, mica and talcum powder, 4,1.0 parts of 4 '-sulfo-s (6-tertiary butyl-3-methylphenol), 18 parts of ethylene-vinyl acetate copolymers, 0.8 part of stearic acid adds stirrer high speed to be uniformly mixed 8min, then joins twin screw extruder and carries out granulation; Rotating speed is 180r/min, and Temperature Setting is 185～190 ℃, and water cooling bracing pelletizing becomes base-material;
(3) injection foaming: get above-mentioned gained base-material, then add 10 parts of foaming master batchs and be mixed to join injector hopper injection foaming and obtain product.
Twin screw extruder diameter 76mm described above, length-to-diameter ratio 40; Injector drying temperature is 80～90 ℃, and injection pressure is 55MPa, and be 2 seconds inject time, and barrel zone temperature is respectively 185～190 ℃, 195～200 ℃, 180～185 ℃, and nozzle temperature is 190～195 ℃, and die temperature is 25～30 ℃.Its properties test sees attached list 1.
Embodiment 3
Being prepared as follows of the micro-foamed damping material of thermoplasticity in the present embodiment:
(1) prepare foaming master batch: by 20 parts of Cellmic C 121s, 60 parts of talcum powder, 45 parts of ethylene-vinyl acetate copolymers, after 100 parts of Low Density Polyethylenes add homogenizer fully to mix, utilize that twin screw extruder is extruded, granulation; Extrusion temperature is 145～150 ℃, and screw speed is 40r/min;
(2) prepare base-material: by 80 parts of polypropylene, 70 parts of thermoplastic polyester elastomers (TPEE), 12 parts of titanium dioxides, [β-(3,5 di-t-butyl 4-hydroxyl-phenyl) propionic acid] 1.5 parts of pentaerythritol esters, 20 parts of ethylene-vinyl acetate copolymers, 1.2 parts of polyethylene waxs add stirrer high speed to be uniformly mixed 6min, then join twin screw extruder and carry out granulation; Rotating speed is 240r/min, and Temperature Setting is 185～190 ℃, and water cooling bracing pelletizing becomes base-material;
(3) injection foaming: get above-mentioned gained base-material, then add 18 parts of foaming master batchs and be mixed to join injector hopper injection foaming and obtain product.
Twin screw extruder diameter 76mm described above, length-to-diameter ratio 40; Injector drying temperature is 80～90 ℃, and injection pressure is 65MPa, and be 1 second inject time, and barrel zone temperature is respectively 190～195 ℃, 190～195 ℃, 180～185 ℃, and nozzle temperature is 185～190 ℃, and die temperature is 25～30 ℃.Its properties test sees attached list 1.
Embodiment 4
Being prepared as follows of the micro-foamed damping material of thermoplasticity in the present embodiment:
(1) prepare foaming master batch: by 25 parts of Cellmic C 121s, 55 parts of talcum powder, 40 parts of ethylene-vinyl acetate copolymers, after 100 parts of Low Density Polyethylenes add homogenizer fully to mix, utilize that twin screw extruder is extruded, granulation; Extrusion temperature is 145～150 ℃, and screw speed is 40r/min;
(2) prepare base-material: by 90 parts of polypropylene, 80 parts of thermoplastic polyester elastomers (TPEE), 0 part of silica 1,4,1.2 parts of 4 '-sulfo-s (6-tertiary butyl-3-methylphenol), 25 parts of Low Density Polyethylenes, 1.5 parts of stearic acid add stirrer high speed to be uniformly mixed 8min, then join twin screw extruder and carry out granulation; Rotating speed is 210r/min, and Temperature Setting is 180～185 ℃, and water cooling bracing pelletizing becomes base-material;
(3) injection foaming: get above-mentioned gained base-material, then add 15 parts of foaming master batchs and be mixed to join injector hopper injection foaming and obtain product.
Twin screw extruder diameter 76mm described above, length-to-diameter ratio 40; Injector drying temperature is 80～90 ℃, and injection pressure is 62MPa, and be 1.5 seconds inject time, and barrel zone temperature is respectively 185～190 ℃, 190～195 ℃, 175～180 ℃, and nozzle temperature is 185～190 ℃, and die temperature is 20～25 ℃.Its properties test sees attached list 1.
Comparative example 1
Being prepared as follows of the micro-foamed damping material of thermoplasticity (do not add thermoplastic elastomer, all the other steps are with embodiment 3) in the present embodiment:
(1) prepare foaming master batch: by 20 parts of Cellmic C 121s, 60 parts of talcum powder, 45 parts of ethylene-vinyl acetate copolymers, after 100 parts of Low Density Polyethylenes add homogenizer fully to mix, utilize that twin screw extruder is extruded, granulation; Extrusion temperature is 145～150 ℃, and screw speed is 40r/min;
(2) prepare base-material: by 80 parts of polypropylene, 12 parts of titanium dioxides, [β-(3,5 di-t-butyl 4-hydroxyl-phenyl) propionic acid] 1.5 parts of pentaerythritol esters, 20 parts of ethylene-vinyl acetate copolymers, 1.2 parts of polyethylene waxs add stirrer high speed to be uniformly mixed 6min, then join twin screw extruder and carry out granulation; Rotating speed is 240r/min, and Temperature Setting is 185～190 ℃, and water cooling bracing pelletizing becomes base-material;
(3) injection foaming: get above-mentioned gained base-material, then add 18 parts of foaming master batchs and be mixed to join injector hopper injection foaming and obtain product.
Twin screw extruder diameter 76mm described above, length-to-diameter ratio 40; Injector drying temperature is 80～90 ℃, and injection pressure is 65MPa, and be 1 second inject time, and barrel zone temperature is respectively 190～195 ℃, 190～195 ℃, 180～185 ℃, and nozzle temperature is 185～190 ℃, and die temperature is 25～30 ℃.Its properties test sees attached list 1.
Comparative example 2
Being prepared as follows of the micro-foamed damping material of thermoplasticity (do not prepare foaming master batch, all the other steps are with embodiment 4) in the present embodiment:
(1) prepare base-material: by 90 parts of polypropylene, 80 parts of thermoplastic polyester elastomers (TPEE), 0 part of silica 1,4,1.2 parts of 4 '-sulfo-s (6-tertiary butyl-3-methylphenol), 25 parts of Low Density Polyethylenes, 1.5 parts of stearic acid add stirrer high speed to be uniformly mixed 8min, then join twin screw extruder and carry out granulation; Rotating speed is 210r/min, and Temperature Setting is 180～185 ℃, and water cooling bracing pelletizing becomes base-material;
(2) injection foaming: get above-mentioned gained base-material, then add 15 parts of whipping agent Cellmic C 121s and be mixed to join injector hopper injection foaming and obtain product.
Twin screw extruder diameter 76mm described above, length-to-diameter ratio 40; Injector drying temperature is 80～90 ℃, and injection pressure is 62MPa, and be 1.5 seconds inject time, and barrel zone temperature is respectively 185～190 ℃, 190～195 ℃, 175～180 ℃, and nozzle temperature is 185～190 ℃, and die temperature is 20～25 ℃.Its properties test sees attached list 1.
Table 1
By every data in table 1, can be found out, the over-all properties of embodiment 3,4 is better, embodiment 1～4 is along with the variation of thermoplastic elastomer and viscosity modifier, and the obviously increase such as elongation at break and shock strength, compression set and oil-proofness cubical expansivity diminish, and tensile strength changes very little; By the contrast of comparative example 1 and embodiment 3, find that micro-its shock strength of foamed damping material of thermoplasticity and the elongation at break that do not add thermoplastic elastomer decline a lot, compression set is variation also; By the contrast of comparative example 2 and embodiment 4, find that micro-its compression set of foamed damping material of thermoplasticity and the oil-proofness cubical expansivity that do not add foaming master batch become large, shock strength also diminishes, and performance reduces.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.Person skilled in the art obviously can easily make various modifications to these embodiment, and General Principle described herein is applied in other embodiment and needn't passes through performing creative labour.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and not departing from the improvement that category of the present invention makes and revise all should be within protection scope of the present invention.

Claims (10)

1. the micro-foamed damping material of thermoplasticity, is characterized in that: by the component that comprises following weight part, made:
2. the micro-foamed damping material of thermoplasticity according to claim 1, is characterized in that: described polypropylene is selected from Co-polypropylene, and its melting index is 1.5～3g/10min.
3. the micro-foamed damping material of thermoplasticity according to claim 1, is characterized in that: described thermoplastic elastomer is selected from one or more in thermoplastic polyester elastomer, thermoplasticity Ethylene Propylene Terpolymer dynamic vulcanization elastomerics or thermoplastic styrene class elastomerics; Wherein, thermoplastic polyester elastomer is by terephthalic acid 1,4 butyleneglycols and poly-butanols copolymerization form, thermoplasticity Ethylene Propylene Terpolymer dynamic vulcanization elastomerics is formed in acrylic plastering matrix by terpolymer EP rubber microparticulate, and thermoplastic styrene class elastomerics is the multipolymer of divinyl or isoprene and styrene block type.
4. the micro-foamed damping material of thermoplasticity according to claim 1, is characterized in that: described filler is selected from one or more in titanium dioxide, mica, talcum powder or silicon-dioxide;
Or described oxidation inhibitor is selected from thio-2 acid octadecyl ester, [β-(3,5 di-t-butyl 4-hydroxyl-phenyl) propionic acid] pentaerythritol ester, Tyox B or 4, one or more in 4 '-sulfo-(6-tertiary butyl-3-methylphenol).
5. the micro-foamed damping material of thermoplasticity according to claim 1, is characterized in that: described viscosity modifier is selected from one or more in Low Density Polyethylene, acrylonitrile-butadiene-styrene terpolymer or ethylene-vinyl acetate copolymer;
Or described dispersion agent is selected from one or more in oleic acid, polyethylene wax or stearic acid.
6. the micro-foamed damping material of thermoplasticity according to claim 1, is characterized in that: described foaming master batch is made by the component that comprises following weight part:
7. the micro-foamed damping material of thermoplasticity according to claim 6, is characterized in that: described whipping agent is Cellmic C 121;
Or described nucleator is talcum powder;
Or described cladding is ethylene-vinyl acetate copolymer;
Or described foaming master batch vector resin is Low Density Polyethylene.
8. a preparation method for arbitrary described micro-foamed damping material of thermoplasticity in claim 1-7, is characterized in that: comprise the following steps:
(1) prepare foaming master batch: by 15～25 parts of whipping agents, 45～60 parts of nucleators, 30～45 parts of claddings, after 100 parts of foaming master batch vector resins add homogenizer fully to mix, utilize that twin screw extruder is extruded, granulation; Extrusion temperature is 140～150 ℃, and screw speed is 40r/min;
(2) prepare base-material: by 80～100 parts of polypropylene, 50～80 parts of thermoplastic elastomers, 8～15 parts of fillers, 1～2 part, oxidation inhibitor, 12～25 parts of viscosity modifiers, 0.8～1.5 part of dispersion agent adds stirrer high speed to be uniformly mixed 5～8min, then joins twin screw extruder and carries out granulation; Rotating speed is 180～240r/min, and Temperature Setting is 180～190 ℃, and water cooling bracing pelletizing becomes base-material;
(3) injection foaming: get in step 2 base-material of preparation, then add 10～18 parts of foaming master batchs and be mixed to join injector hopper injection foaming and obtain product.
9. preparation method according to claim 8, is characterized in that: twin screw extruder diameter 76mm in described step (1), length-to-diameter ratio 40.
10. preparation method according to claim 8, it is characterized in that: in described step (3), the concrete technology of injection foaming is: injector drying temperature is 80～90 ℃, injection pressure is 55～65MPa, be 1～2 second inject time, barrel zone temperature is respectively 185～195 ℃, 190～200 ℃, 175～185 ℃, nozzle temperature is 185～195 ℃, and die temperature is 20～30 ℃.
CN201310103357.8A 2013-03-28 2013-03-28 A kind of thermoplasticity fretting map vibration-absorptive material and preparation method thereof Active CN104072881B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310103357.8A CN104072881B (en) 2013-03-28 2013-03-28 A kind of thermoplasticity fretting map vibration-absorptive material and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310103357.8A CN104072881B (en) 2013-03-28 2013-03-28 A kind of thermoplasticity fretting map vibration-absorptive material and preparation method thereof

Publications (2)

Publication Number Publication Date
CN104072881A true CN104072881A (en) 2014-10-01
CN104072881B CN104072881B (en) 2018-03-06

Family

ID=51594506

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310103357.8A Active CN104072881B (en) 2013-03-28 2013-03-28 A kind of thermoplasticity fretting map vibration-absorptive material and preparation method thereof

Country Status (1)

Country Link
CN (1) CN104072881B (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104672616A (en) * 2015-03-16 2015-06-03 深圳市光华伟业实业有限公司 Woody 3D printing line
CN105235126A (en) * 2015-09-02 2016-01-13 江苏科技大学 Method for producing super-stretchable propene polymer (PP)/low-density polyethylene (LDPE) microporous product in ordinary injection machine
CN105885240A (en) * 2016-04-25 2016-08-24 中山诗兰姆汽车零部件有限公司 Microcellular foaming composite material and preparation method thereof
CN106189103A (en) * 2016-08-24 2016-12-07 深圳市传佳新材料有限公司 A kind of thermoplastic polyester elastomer expanded beads and preparation method
CN106543561A (en) * 2016-10-31 2017-03-29 江苏昊晟塑业科技有限公司 Automotive trim panel damping expanded material
CN107200924A (en) * 2017-07-10 2017-09-26 海南新美特科技有限公司 A kind of technological process of air inlet pipe development ＆ production
CN107200919A (en) * 2017-06-23 2017-09-26 苏州润佳工程塑料股份有限公司 A kind of injection grade micro-foaming polypropylene composite material and preparation method thereof
WO2018125391A1 (en) 2016-12-29 2018-07-05 Exxonmobil Chemical Patents Inc. Thermoplastic vulcanizates for foaming applications
CN108285578A (en) * 2018-02-09 2018-07-17 郑州大学 A kind of preparation method of PP/ABS micro-foaming materials
CN108340532A (en) * 2018-02-09 2018-07-31 江苏科技大学 A kind of product molding method of PP/PC micro-foaming materials
CN108690267A (en) * 2018-05-29 2018-10-23 芜湖创科新材料科技有限公司 A kind of micro-foaming polypropylene material and preparation method thereof
CN108929554A (en) * 2018-08-28 2018-12-04 三斯达（江苏）环保科技有限公司 A kind of children's foam pad rubber and its processing method
CN109337153A (en) * 2018-08-09 2019-02-15 南京聚隆科技股份有限公司 A kind of automobile batteries shell cover material and preparation method thereof
WO2019112724A1 (en) 2017-12-06 2019-06-13 Exxonmobil Chemical Patents Inc. Low density foamed thermoplastic vulcanizate compositions
US10508184B2 (en) 2016-12-29 2019-12-17 Exxonmobil Chemical Patents Inc. Foaming agent masterbatches for foaming thermoplastic vulcanizates
WO2020148781A1 (en) * 2019-01-16 2020-07-23 Vijay Transtech Private Limited A gel and cushioning material based on thermoplastic elastomers and method of making thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101792554A (en) * 2010-03-12 2010-08-04 株洲时代新材料科技股份有限公司 Micro-foaming polypropylene and preparation method thereof
CN102218879A (en) * 2010-04-18 2011-10-19 黎明 Waste polypropylene-modified foaming plate and manufacturing method thereof
CN102464831A (en) * 2010-11-17 2012-05-23 宝瑞龙高分子材料(天津)有限公司 Microcellular foam thermoplastic elastomer for high-speed railway damping base plate and preparation method thereof
CN102604223A (en) * 2012-03-16 2012-07-25 武汉富蒂亚新型材料有限公司 Polypropylene resin foam concentrate and preparation method thereof
CN102634096A (en) * 2012-03-31 2012-08-15 合肥工业大学 Polypropylene foaming masterbatch and production method thereof
CN102850655A (en) * 2012-09-26 2013-01-02 长城汽车股份有限公司 Low-density automobile back door plate module and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101792554A (en) * 2010-03-12 2010-08-04 株洲时代新材料科技股份有限公司 Micro-foaming polypropylene and preparation method thereof
CN102218879A (en) * 2010-04-18 2011-10-19 黎明 Waste polypropylene-modified foaming plate and manufacturing method thereof
CN102464831A (en) * 2010-11-17 2012-05-23 宝瑞龙高分子材料(天津)有限公司 Microcellular foam thermoplastic elastomer for high-speed railway damping base plate and preparation method thereof
CN102604223A (en) * 2012-03-16 2012-07-25 武汉富蒂亚新型材料有限公司 Polypropylene resin foam concentrate and preparation method thereof
CN102634096A (en) * 2012-03-31 2012-08-15 合肥工业大学 Polypropylene foaming masterbatch and production method thereof
CN102850655A (en) * 2012-09-26 2013-01-02 长城汽车股份有限公司 Low-density automobile back door plate module and preparation method thereof

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104672616A (en) * 2015-03-16 2015-06-03 深圳市光华伟业实业有限公司 Woody 3D printing line
CN104672616B (en) * 2015-03-16 2019-11-15 深圳光华伟业股份有限公司 A kind of 3D printing lines with woodiness touch
CN105235126B (en) * 2015-09-02 2017-05-17 江苏科技大学 Method for producing super-stretchable propene polymer (PP)/low-density polyethylene (LDPE) microporous product in ordinary injection machine
CN105235126A (en) * 2015-09-02 2016-01-13 江苏科技大学 Method for producing super-stretchable propene polymer (PP)/low-density polyethylene (LDPE) microporous product in ordinary injection machine
CN105885240A (en) * 2016-04-25 2016-08-24 中山诗兰姆汽车零部件有限公司 Microcellular foaming composite material and preparation method thereof
CN106189103A (en) * 2016-08-24 2016-12-07 深圳市传佳新材料有限公司 A kind of thermoplastic polyester elastomer expanded beads and preparation method
CN106543561A (en) * 2016-10-31 2017-03-29 江苏昊晟塑业科技有限公司 Automotive trim panel damping expanded material
US10508184B2 (en) 2016-12-29 2019-12-17 Exxonmobil Chemical Patents Inc. Foaming agent masterbatches for foaming thermoplastic vulcanizates
WO2018125391A1 (en) 2016-12-29 2018-07-05 Exxonmobil Chemical Patents Inc. Thermoplastic vulcanizates for foaming applications
US11192992B2 (en) 2016-12-29 2021-12-07 Exxonmobil Chemical Patents Inc. Thermoplastic vulcanizates for foaming applications
CN107200919A (en) * 2017-06-23 2017-09-26 苏州润佳工程塑料股份有限公司 A kind of injection grade micro-foaming polypropylene composite material and preparation method thereof
CN107200924A (en) * 2017-07-10 2017-09-26 海南新美特科技有限公司 A kind of technological process of air inlet pipe development ＆ production
WO2019112724A1 (en) 2017-12-06 2019-06-13 Exxonmobil Chemical Patents Inc. Low density foamed thermoplastic vulcanizate compositions
CN108285578A (en) * 2018-02-09 2018-07-17 郑州大学 A kind of preparation method of PP/ABS micro-foaming materials
CN108340532B (en) * 2018-02-09 2020-05-22 江苏科技大学 Method for forming PP/PC micro-foaming material product
CN108340532A (en) * 2018-02-09 2018-07-31 江苏科技大学 A kind of product molding method of PP/PC micro-foaming materials
CN108690267A (en) * 2018-05-29 2018-10-23 芜湖创科新材料科技有限公司 A kind of micro-foaming polypropylene material and preparation method thereof
CN109337153A (en) * 2018-08-09 2019-02-15 南京聚隆科技股份有限公司 A kind of automobile batteries shell cover material and preparation method thereof
CN108929554A (en) * 2018-08-28 2018-12-04 三斯达（江苏）环保科技有限公司 A kind of children's foam pad rubber and its processing method
WO2020148781A1 (en) * 2019-01-16 2020-07-23 Vijay Transtech Private Limited A gel and cushioning material based on thermoplastic elastomers and method of making thereof
JP2022508360A (en) * 2019-01-16 2022-01-19 コンフォート グリッド テクノロジーズ プライベート リミテッド Gels and cushioning materials based on thermoplastic elastomers and their manufacturing methods

Also Published As

Publication number Publication date
CN104072881B (en) 2018-03-06

Similar Documents

Publication Publication Date Title
CN104072881A (en) Thermoplastic micro-foaming damping material and preparation method thereof
CN100463939C (en) Wood plastic micro foaming composite material and its processing shaping method
CN102977624B (en) A kind of degradable type bamboo-plastic composite material with superhigh tenacity and preparation method thereof
CN101024709A (en) Moulding-grade wood-plastic composite and processing process
CN105647137A (en) 3D printing polylactic acid /leather powder composite materials and preparation method thereof
CN103059391A (en) Toughened foamed master batch, and preparation method and application thereof
CN102250476A (en) Bamboo-fiber-based micro-foamed wood-plastic composite material and preparation method thereof
CN101768333B (en) Wood-plastic composite material and forming plate made of wood-plastic composite material
CN103242632A (en) Polylactic acid degradable foaming material and preparation method thereof
CN105623098A (en) Preparation method of long-fiber reinforced polypropylene microcellular foam material
CN103087484A (en) Biodegradable composite film material of controllable degradation rate and preparation method thereof
CN101851419B (en) Matte polyimide/ acrylonitrile-butadiene-phenylethylene alloy resin composition and preparation method thereof
CN103709544A (en) High-strength micro-foaming PVC wood plastic special-purpose material and its preparation method and use
CN103991246B (en) A kind of polyolefin masterbatch prepares the method for three-layer co-extruded tubing
CN103160020A (en) Polypropylene micro-foam bamboo plastic composite, and preparation method thereof
CN109385000A (en) A kind of fiber reinforcement co-extrusion foaming wood plastic composite and its production technology
CN109651783A (en) A kind of fretting map natural fibre reinforced polylactic acid composite material and preparation method thereof
CN107011476B (en) A kind of wood moulding PVC resin specially and its preparation method and application
CN104072880B (en) The preparation method of a kind of TPO foam microspheres and application
CN104530739A (en) Thermotropic high-polymer liquid crystal reinforced/toughened polyolefin-base wood-plastic composite material and preparation method thereof
CN106497118B (en) A kind of wood plastic composite, preparation method and the profiled sheeting made of the composite material
CN112011155A (en) Thermoplastic copolyester elastomer/AS resin composite material foaming master batch and preparation method and application thereof
CN106432887A (en) Polyolefin foaming masterbatch composition and preparation method and application
CN109734987A (en) A kind of bamboo fibre microcellular foam material and its manufacturing method
CN110272592A (en) A kind of high-impact, lightweight polypropylene composite materials part and moulding process

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20190313

Address after: 210047 11/F, Building D, 606 Ningliu Road, Jiangbei New District, Nanjing City, Jiangsu Province

Patentee after: Nanjing Qingyan New Materials Research Institute Co., Ltd.

Address before: 239000 Chuzhou Economic and Technological Development Zone, Chuzhou City, Anhui Province

Patentee before: Chuzhou Gemeite Technology Co.,Ltd.

TR01 Transfer of patent right