CN106046448A - Synthetic rubber foam material and preparation method thereof - Google Patents

Synthetic rubber foam material and preparation method thereof Download PDF

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Publication number
CN106046448A
CN106046448A CN201610436206.8A CN201610436206A CN106046448A CN 106046448 A CN106046448 A CN 106046448A CN 201610436206 A CN201610436206 A CN 201610436206A CN 106046448 A CN106046448 A CN 106046448A
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parts
synthetic rubber
mixing
expanded material
agent
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Chinese (zh)
Inventor
桂诗岭
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Guangdong Rui Platinum Knight New Material Co Ltd
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Guangdong Rui Platinum Knight New Material Co Ltd
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Priority to CN201610436206.8A priority Critical patent/CN106046448A/en
Publication of CN106046448A publication Critical patent/CN106046448A/en
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/72—Measuring, controlling or regulating
    • B29B7/726—Measuring properties of mixture, e.g. temperature or density
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/72—Measuring, controlling or regulating
    • B29B7/728—Measuring data of the driving system, e.g. torque, speed, power, vibration
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/58—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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/58—Measuring, controlling or regulating
    • B29C2043/5816—Measuring, controlling or regulating temperature
    • 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
    • C08J2309/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
    • 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
    • C08J2353/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
    • 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
    • C08J2409/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
    • 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
    • C08J2453/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
    • 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
    • C08L2205/03—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
    • C08L2310/00—Masterbatches

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

The invention discloses a synthetic rubber foam material and a preparation method thereof. The synthetic rubber foam material contains the following ingredients in parts by weight: 10-50 parts of isoprene rubber, 10-30 parts of ethylene propylene terpolymer rubber, 20-40 parts of polyolefin block copolymer elastomer, 10-30 parts of TPE (Thermoplastic Elastomer), 5-15 parts of calcium carbonate, 1-5 parts of flowable formulation, 2-5 parts of foamer, 0.5-1.5 parts of foam boosting agent, 0.4-2 parts of bridging agent and 0.5-5 parts of color master batch. The finished product is prepared through carrying out material preparing, carrying out first-time milling, carrying out open milling, carrying out second-time milling and carrying out granulating molding. The synthetic rubber foam material prepared by the preparation method overcomes disadvantages and defects of EVA in the aspect of physical properties and has the functional characteristics of high wear resistance, high elasticity, dry and wet slip resistance, aging resistance, contraction resistance and the like.

Description

A kind of synthetic rubber expanded material and preparation method thereof
Technical field
The present invention relates to expanded material technical field, particularly to a kind of synthetic rubber expanded material and preparation method thereof.
Background technology
The material that industry planted agent is used in used by footwear material, athletic sports appliance aspect at present is mainly EVA foaming body, PU, TPR Vulcanization of rubber body.People require more and more higher for this material in terms of function physical property: as the high resiliency of material, wear-resisting, on-slip, Light, comfortableness etc..Although some material has the most also been made to promote, formula increases each analog assistant and is modified, but still So do not reach the requirement of application function；Also have in formula interpolation rubber, but addition also can only control 5%-10% it Between.Along with the increase of rubber addition, product material is brittle, flows poor, shrinks big, and the problems such as color is unstable limit The feasibility of goods volume production, it is impossible to meet the widespread adoption of industry.
Summary of the invention
In order to be satisfied with the demand of physical culture motor function material on market, the present invention is to EVA foaming product in prior art Improve, it is provided that a kind of high abrasion, high resiliency, dry and wet antiskid property, aging resistance, the synthetic rubber expanded material of resisted shrinkage.Should Material had both possessed the advantage of EVA expanded material, possessed again the functional characteristic of vulcanite.Another one purpose of the present invention is to provide The preparation method of above-mentioned synthetic rubber expanded material.
In order to solve above-mentioned technical problem, adopt the technical scheme that: a kind of synthetic rubber expanded material, including following heavy The component of amount part:
Preferably, the synthetic rubber expanded material of the present invention, including the component of following weight portion:
Wherein, flowable is EVA flowable or PE wax.EVA flowable specifically can be selected for that platform is poly-moulds EVA 210, Japan three Well EVA 653-04, PE wax concrete for PE wax flowables such as NL100BK-66.
Foaming agent is azodicarbonamide, concrete for AC-170, HA-600.
Blowing promotor is zinc oxide or zinc stearate.
Bridging agent is the tasteless bridging agent of BIPB and/or TAIC cross-linking agent.DCP and TAIC can be according to practical situation in application Allocate.If DCP is 0.4-1 part, TAIC is 0.2-0.8 part.
The present invention also provides for the preparation method of above-mentioned synthetic rubber expanded material, comprises the following steps:
S1, dispensing: in the range of component proportion, select each component parts difference its preparing materials；
S2, the most mixing: the medicated powder auxiliary agent prepared by S1 and host granule order put into masticator and carry out mixing, often 5 DEG C of stirrings once, at least turn over five times, mixing uniform 130 DEG C ± 2 DEG C batch turnings behind 950 " ± 30 "；
S3, mill: the material poured out by S2 mill three times on a mill until, mixing temperature is 90 DEG C-100 DEG C, and roll spacing is less than 2mm；
S4, the most mixing: to put into the material after S3 mill, after temperature reaches 95 DEG C ± 5 DEG C, put into foaming agent, bridge formation It is mixing that agent carries out second time, every 5 DEG C of stirrings once, at least turns over three times, and behind 300 " ± 30 ", mixing uniform 120 DEG C ± 2 DEG C are fallen Material；
S5, granulating and forming: the material poured out by S4 carries out water and cuts pelletize, compression molding.
Wherein, S5 water is cut the temperature of pelletize and is set as: die head 120 DEG C ± 5 DEG C, one section 105 DEG C ± 5 DEG C, and two-stage nitration 105 DEG C ± 5℃。
The hot pressing temperature of S5 compression molding is 175 DEG C ± 2 DEG C, and cure time is 420 "-550 ", and pressure is 100- 130bar。
Compared with prior art, the invention has the beneficial effects as follows: in prior art, the material of EVA foaming product application is TPE elastomer, POE polyolefin elastomer and EPDM ethylene propylene diene rubber, then add all kinds of processing aid such as bridging agent, foaming agent Composite molding, the foaming product prepared there is also defect and limitation in terms of technique physical property, and the synthetic rubber of the present invention is sent out Foam material is adjusted in formula components, neutralizes, and makes this formula breach EVA foaming structure completely, had both possessed the spy of EVA Property, it is provided simultaneously with again the characteristic of rubber.The shortcoming overcoming EVA in terms of physical property of the expanded material that the present invention prepares and not Foot, has the functional characteristics such as high abrasion, high resiliency, dry and wet antiskid property, aging resistance, resisted shrinkage.The expanded material of the present invention simultaneously In preparation process, quality is highly stable.
Detailed description of the invention
Embodiment 1:
S1, dispensing: each material is prepared respectively according to following weight portion:
Isoprene rubber IR (Japanese auspicious father-in-law IR2200) 30 parts,
Ethylene propylene diene rubber EPDM (LG-DOW EPDM 4770) 20 parts,
Polyolefin block formula copolymer OBCs elastomer (LG-DOW INFUSE 9530) 30 parts,
TPE elastomer (KRATON 1648) 20 parts,
Calcium carbonate (TA 1250) 10 parts,
3 parts of HL100 paraffin selected by flowable,
AD 170 4 parts selected by foaming agent,
Zinc oxide 1.0 parts selected by blowing promotor,
Bridging agent selection TAIC 0.4 part, the tasteless bridging agent of BIPB 0.4 part,
Prosperous nation color masterbatch 2 parts,
R103 titanium dioxide 2 parts.
S2, the most mixing: the medicated powder auxiliary agent prepared by S1 and host granule order put into masticator and carry out the most mixed Refining, every 5 DEG C of stirrings once, at least turn over five times, and rear mixing 130 DEG C ± 2 DEG C batch turnings, mixing time is 950 " ± 30 "；
S3, mill: the material poured out by S2 mill three times on a mill until, mixing temperature is 90 DEG C-100 DEG C, mill roller Away from less than 2mm；
S4, the most mixing: to put into the material after S3 mill, after temperature reaches 95 DEG C ± 5 DEG C, put into foaming agent, bridge formation It is mixing that agent carries out second time, every 5 DEG C of stirrings once, at least turns over three times, rear mixing 120 DEG C ± 2 DEG C batch turnings, mixing time It is 300 " ± 30 "；
S5, granulating and forming: the material poured out by S4 carries out water and cuts pelletize, compression molding.
Wherein, water is cut the step of pelletize and is:
A. temperature sets: die head 120 DEG C ± 5 DEG C, one section 105 DEG C ± 5 DEG C, two-stage nitration 105 DEG C ± 5 DEG C
Material-extrusion die head-connection water cutting apparatus the most clearly, by opening feeder-dewaterer-water pump-pelleter-main frame horse Reach such sequencing to operate.During pelletize, can be according to particle smoothness size, from Row sum-equal matrix temperature and pelletizing speed.
The condition of compression molding is: mold thickness is 7mm, when hot pressing temperature is 175 DEG C, and hot pressing in vulcanizing press Molding, cure time is 450 ", pressure is 115bar.
Embodiment 2:
S1, dispensing: each material is prepared respectively according to following weight portion:
Isoprene rubber IR (Japanese auspicious father-in-law IR2200) 50 parts,
Ethylene propylene diene rubber EPDM (LG-DOW EPDM 7470) 30 parts,
Polyolefin block formula copolymer OBCs elastomer (LG-DOW INFUSE 9530) 40 parts,
TPE elastomer (KRATON 1648) 30 parts,
Calcium carbonate (TA 1250) 15 parts,
5 parts of HL100 paraffin selected by flowable,
AD170 5 parts selected by foaming agent,
Zinc oxide 1.5 parts selected by blowing promotor,
Bridging agent selects the tasteless DCP of BIPB 1 part,
Color masterbatch (prosperous nation color masterbatch 1376A) 5 parts.
S2, the most mixing: the medicated powder prepared by S1 and host granule order put into masticator and carry out the most mixing, often 5 DEG C of stirrings once, at least turn over five times, and rear mixing 130 DEG C ± 2 DEG C batch turnings, mixing time is 950 " ± 30 "；
S3, mill: the material poured out by S2 mill three times on a mill until, mixing temperature is 90 DEG C-100 DEG C, mill roller Away from less than 2mm；
S4, the most mixing: to put into the material after S3 mill, after temperature reaches 95 DEG C ± 5 DEG C, put into foaming agent, bridge formation It is mixing that agent carries out second time, every 5 DEG C of stirrings once, at least turns over three times, rear mixing 120 DEG C ± 2 DEG C batch turnings, mixing time It is 300 " ± 30 "；
S5, granulating and forming: the material poured out by S4 carries out water and cuts pelletize, compression molding.
Wherein, water is cut the step of pelletize and is:
A. temperature sets: die head 120 DEG C ± 5 DEG C, one section 105 DEG C ± 5 DEG C, two-stage nitration 105 DEG C ± 5 DEG C
Material-extrusion die head-connection water cutting apparatus the most clearly, by opening feeder-dewaterer-water pump-pelleter-main frame horse Reach such sequencing to operate.Pelletize according to the smoothness of particle and size from Row sum-equal matrix temperature and pelletizing speed.
The condition of compression molding is: mold thickness is 10mm, when hot pressing temperature is 177 DEG C, and heat in vulcanizing press Molded, cure time is 520 ", pressure is 130bar.
Embodiment 3:
S1, dispensing: each material is prepared respectively according to following weight portion:
Isoprene rubber IR (Japanese auspicious father-in-law IR2200) 10 parts,
Ethylene propylene diene rubber EPDM (LG-DOW EPDM 7470) 10 parts,
Polyolefin block formula copolymer OBCs elastomer (LG-DOW INFUSE 9530) 20 parts,
TPE elastomer (KRATON 1648) 10 parts,
Calcium carbonate (TA1250 calcium powder) 5 parts,
1 part of HL100 paraffin selected by flowable,
AD170 2 parts selected by foaming agent,
Zinc stearate 0.5 part selected by blowing promotor,
Bridging agent selects the tasteless DCP of BIPB 0.4 part,
Color masterbatch (prosperous nation color masterbatch 1376A) 0.5 part.
S2, the most mixing: the medicated powder prepared by S1 and host granule order put into masticator and carry out the most mixing, often 5 DEG C of stirrings once, at least turn over five times, and rear mixing 130 DEG C ± 2 DEG C batch turnings, mixing time is 950 " ± 30 "；
S3, mill: the material poured out by S2 mill three times on a mill until, mixing temperature is 90 DEG C-100 DEG C, mill roller Away from less than 2mm；
S4, the most mixing: to put into the material after S3 mill, after temperature reaches 95 DEG C ± 5 DEG C, put into foaming agent, bridge formation It is mixing that agent carries out second time, every 5 DEG C of stirrings once, at least turns over three times, rear mixing 120 DEG C ± 2 DEG C batch turnings, mixing time It is 300 " ± 30 "；
S5, granulating and forming: the material poured out by S4 carries out water and cuts pelletize, compression molding.
Wherein, water is cut the step of pelletize and is:
A. temperature sets: die head 120 DEG C ± 5 DEG C, one section 105 DEG C ± 5 DEG C, two-stage nitration 105 DEG C ± 5 DEG C
Material-extrusion die head-connection water cutting apparatus the most clearly, by opening feeder-dewaterer-water pump-pelleter-main frame horse Reach such sequencing to operate.Pelletize according to the smoothness of particle and size from Row sum-equal matrix temperature and pelletizing speed.
The condition of compression molding is: mold thickness is 7mm, when hot pressing temperature is 173 DEG C, and hot pressing in vulcanizing press Molding, cure time is 480 ", pressure is 100bar.
Table 1 is that tartan of the present invention (RBlite) contrasts table with traditional E VA material property.Wherein, traditional E VA material BASF EVA 6110 selected by material.
Table 1: tartan of the present invention (RBlite) contrasts table with traditional E VA material property
As can be seen from the above table, in physical property, synthetic rubber expanded material (RBlite) relatively traditional E VA material of the present invention produces Product all effects in terms of wear-resisting, elastic, incompressible, extension, dry and wet on-slip and aging resistance are obvious, appear expanded material of the present invention suddenly Superiority.
It can be that professional and technical personnel in the field realize or use, to above-mentioned that above-mentioned embodiment is intended to illustrate the present invention Embodiment is modified and be will be apparent from for those skilled in the art, therefore the present invention includes but not limited to Above-mentioned embodiment, any the claims or description of meeting describes, meet with principles disclosed herein and novelty, The method of inventive features, technique, product, within each falling within protection scope of the present invention.

Claims (9)

1. a synthetic rubber expanded material, it is characterised in that: include the component of following weight portion:
Isoprene rubber 10-50 part, ethylene propylene diene rubber 10-30 part, polyolefin block formula copolymer elastomer 20-40 part, TPE elastomer 10-30 part, calcium carbonate 5-15 part, flowable 1-5 part, foaming agent 2-5 part, blowing promotor 0.5-1.5 part, build bridge Agent 0.4-2 part, color masterbatch 0.5-5 part.
2. synthetic rubber expanded material as claimed in claim 1, it is characterised in that: include the component of following weight portion:
Isoprene rubber 20-40 part, ethylene propylene diene rubber 15-25 part, polyolefin block formula copolymer elastomer 25-35 part, TPE elastomer 15-25 part, calcium carbonate 8-12 part, flowable 2-4 part, foaming agent 3-4 part, blowing promotor 0.8-1.2 part, build bridge Agent 0.5-1.5 part, color masterbatch 1-4 part.
3. synthetic rubber expanded material as claimed in claim 1 or 2, it is characterised in that: described flowable be EVA flowable or PE wax.
4. synthetic rubber expanded material as claimed in claim 1 or 2, it is characterised in that: described foaming agent is azo two formyl Amine.
5. synthetic rubber expanded material as claimed in claim 1 or 2, it is characterised in that: described blowing promotor be zinc oxide or Zinc stearate.
6. synthetic rubber expanded material as claimed in claim 1 or 2, it is characterised in that: described bridging agent be tasteless DCP and/ Or TAIC cross-linking agent.
The preparation method of synthetic rubber expanded material the most according to claim 1 or claim 2, it is characterised in that comprise the following steps:
S1, dispensing: in the range of component proportion, select each component parts difference its preparing materials；
S2, the most mixing: the material order prepared by S1 puts into masticator and carries out mixing, and every 5 DEG C of stirrings once, at least turn over five Secondary, mixing uniform 130 DEG C ± 2 DEG C batch turnings behind 950 " ± 30 "；
S3, mill: the material poured out by S2 mill three times on a mill until, mixing temperature is 90 DEG C-100 DEG C, and roll spacing is less than 2mm；
S4, the most mixing: to put into the material after S3 mill, after temperature reaches 95 DEG C ± 5 DEG C, put into foaming agent, bridging agent enters Row second time is mixing, every 5 DEG C of stirrings once, at least turns over three times, mixing uniform 120 DEG C ± 2 DEG C batch turnings behind 300 " ± 30 "；
S5, granulating and forming: the material poured out by S4 carries out water and cuts pelletize, compression molding.
The preparation method of synthetic rubber expanded material the most according to claim 7, it is characterised in that S5 water cuts the temperature of pelletize It is set as: die head 120 DEG C ± 5 DEG C, one section 105 DEG C ± 5 DEG C, two-stage nitration 105 DEG C ± 5 DEG C.
The preparation method of synthetic rubber expanded material the most according to claim 7, it is characterised in that the hot pressing of S5 compression molding Temperature is 175 DEG C ± 2 DEG C, and cure time is 420 "-550 ", and pressure is 100-130bar.
CN201610436206.8A 2016-06-17 2016-06-17 Synthetic rubber foam material and preparation method thereof Pending CN106046448A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106750629A (en) * 2016-12-07 2017-05-31 广东锐铂耐特新材料有限公司 A kind of three color, three physical property, the preparation method of dual density environment-friendly function sole
CN111944246A (en) * 2020-08-24 2020-11-17 四川远星橡胶有限责任公司 High-temperature-resistant oil-resistant high-flame-retardant environment-friendly foaming adhesive mixture

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CN106750629A (en) * 2016-12-07 2017-05-31 广东锐铂耐特新材料有限公司 A kind of three color, three physical property, the preparation method of dual density environment-friendly function sole
CN111944246A (en) * 2020-08-24 2020-11-17 四川远星橡胶有限责任公司 High-temperature-resistant oil-resistant high-flame-retardant environment-friendly foaming adhesive mixture

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Application publication date: 20161026