CN105001505A - Formula and preparation technology for ternary rubber synthetic cross-linked polymer - Google Patents
Formula and preparation technology for ternary rubber synthetic cross-linked polymer Download PDFInfo
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- CN105001505A CN105001505A CN201510399558.6A CN201510399558A CN105001505A CN 105001505 A CN105001505 A CN 105001505A CN 201510399558 A CN201510399558 A CN 201510399558A CN 105001505 A CN105001505 A CN 105001505A
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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
- 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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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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
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- 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
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Abstract
A formula and a preparation technology for ternary rubber synthetic cross-linked polymer are provided, wherein the ternary rubber synthetic cross-linked polymer comprises two main components of a rubber and plastic composite and rubber and plastics auxiliary. The rubber and plastic composite comprises the following components in parts by weight: 15-25 parts of EVA; 5-30 parts of natural rubber; 10-20 parts of ethylene-propylene diene copolymer; 5-10 parts of POE; and 5-20 parts of PE. The rubber and plastics auxiliary component comprises the following components in parts by weight: 3-10 parts of fortifier; 5-8 parts of active agent; 0.5-1.5 parts of vulcanizing activator; 0.5-2 parts of vulcanization accelerator, 3-5 parts of flow promoting agent; 1.5-3 parts of cross-linking agent; 3-5 parts of wear-resistant agent; and 0-5 parts of foamer. The preparation technology is: first putting the components of the rubber and plastic composite and the flow promoting agent, fortifier, active agent in the auxiliary into an internal mixer for banburying, adding the foamer and cross-linking agent, and forming ternary rubber synthetic crosslinked polym particles through open mill and extrusion pelletization. A moulding mode comprises one-off injection moulding by using a standing-type injection moulding machine and one-off vulcanization moulding by using a hydraulic-typevulcanizing machine.
Description
Technical field
The present invention relates to formula and the preparation technology of the synthesizing cross-linked body of ternary rubber and plastic, be specially a kind of fusion rubber, ethylene-vinyl acetate copolymer
,poly synthesizing cross-linked body formula and preparation technology, belong to technical field of high-molecular polymer.
Background technology
Rubber finished product are a kind of macromolecular compound goods with snappiness, high stretch, high-insulativity, are divided into natural rubber and synthetic rubber; EVA is the abbreviation of ethene-vinyl acetate copolymer, EVA goods are except possessing the favorable elasticity as rubber, with flexibility, resistance to low temperature, the transparency, surface luster property etc. in addition that rubber is different, the goods that EVA resin is done still can have good pliability at-50 DEG C, the very outstanding feature of EVA goods is blending performance, tinctorial property with filler, easy hot pressing, cut out, gluing, laminating good workability, these features are much better than rubber; Polyethylene, being called for short PE, is that ethene is through being polymerized obtained a kind of thermoplastic resin.Polyethylene odorless, nontoxic, feel ceraceous, the characteristic that the minimum use temperature of polyethylene can reach-70 ~-100 ° of C be rubber and EVA incomparable, the snappiness that rubber and EVA possess and high stretch are then not available for polyethylene.
Along with the development of science and technology and the continuous extension of macromolecular material Application Areas, and traditional Application Areas improving constantly that product properties is required, need to possess simultaneously rubber, EVA, the snappiness of polyethylene three kinds of material properties, high stretch, good flexibility, good processing characteristics, high resistance low-temperature performance goods demand increasingly strong, therefore, how these three kinds of material consolutes are cross-linked into one, just propose a brand-new problem to industry.
Summary of the invention
In order to merge the premium properties of above-mentioned three kinds of materials, the present invention discloses formula and the preparation technology of the synthesizing cross-linked body of a kind of ternary rubber and plastic, except high tensile, snappiness, good flexibility, excellent processability, high resistance low-temperature performance are able to except complete fusion, also embody with the particle form having both injection molding and hydraulic type vulcanizer sulfidization molding.
The technical solution adopted in the present invention is: the formula of the synthesizing cross-linked body of a kind of ternary rubber and plastic and preparation technology, be made up of rubber-plastic composition and the large component of rubber and plastics auxiliaries two, by mass parts, rubber-plastic composition component is made up of 15 ~ 25 parts of ethylene-vinyl acetate copolymers (EVA), 5 ~ 30 parts of natural rubbers, 10 ~ 20 parts of ethylene-propylene diene copolymers, 5 ~ 10 parts of thermoplastic elastomers (POE), 5 ~ 20 parts of polyethylene (PE); Rubber and plastics auxiliaries component is made up of 3 ~ 10 portions of strengthening agents, 5 ~ 8 parts of promoting agents, 0.5 ~ 1.5 part of vulcanization leveller, 0.5 ~ 2 part of vulcanization accelerator, 3 ~ 5 parts of flow promotors, 1.5 ~ 3 parts of linking agents, 3 ~ 5 parts of anti-wear agents, 0 ~ 5 part of whipping agent.
Strengthening agent adopts at least one in carbon black and silicon-dioxide, and promoting agent adopts zinc oxide, and vulcanization leveller adopts Zinic stearas, and vulcanization accelerator adopts stearic acid.
Flow promotor comprises dispersion agent and modify flow agent, what dispersion agent adopted is fatty acid polyglycol ester, and modify flow agent can be at least one in ethylene-butadiene-styrene multipolymer, styrene-ethylene-butadiene styrol copolymer, styrene ethylene-propylene-styrol copolymer.
Linking agent comprises dicumyl peroxide (DCP), di-isopropylbenzene hydroperoxide, benzoyl peroxide, ditertiary butyl peroxide, 2,5-dimethyl-2,5 di-t-butyl hexane peroxides, and the present invention adopts dicumyl peroxide (DCP).
Whipping agent comprises the wherein one of blowing agent H or blowing agent AC or whipping agent OBSH.
Rubber and plastics auxiliaries also comprises anti-aging agent, releasing agent, fire retardant, viscosity increaser, tinting material, oxidation inhibitor, conductive material.
The preparation technology of the synthesizing cross-linked body of this ternary rubber and plastic is: first the flow promotor in formula ratio rubber-plastic composition component and adjuvant component, strengthening agent, promoting agent are put into banburying in Banbury mixer, after add whipping agent and linking agent, then after opening refining, extruding pelletization, become the synthesizing cross-linked body particle of ternary rubber and plastic.
The molding mode of ternary rubber and plastic synthesizing cross-linked body particle comprises and a fluid pressure type vulcanizer sulfidization molding shaping by the shot of erect-position formula injection moulding machine.
Injection molding method is: pressurize to the synthesizing cross-linked body heating particles of this ternary rubber and plastic with the erect-position formula injection moulding machine of any one, it is made to become turbulent sizing material, this turbulent sizing material is injected in mold cavity, and the turbulent sizing material in this mold cavity of sulfuration, foam when sizing material carries out sulfuration simultaneously.
The method of sulfidization molding is: dropped into synthesizing cross-linked for this ternary rubber and plastic of set weight body particle in the mold cavity of curing forming mold, mould enters vulcanization bed heating and pressurizing makes it become turbulent sizing material, turbulent sizing material in this mold cavity of sulfuration, foams when sizing material carries out sulfuration simultaneously.
The invention has the beneficial effects as follows: the synthesizing cross-linked body of this ternary rubber and plastic is except the high tensile, the snappiness that retain rubber, the good flexibility of EVA, excellent processability, poly high resistance low-temperature performance is able to, outside complete fusion embodiment, also embody with the particle form having both injection molding and hydraulic type vulcanizer sulfidization molding.
accompanying drawing illustrates:
Nothing
embodiment:
Embodiment 1:
Natural rubber 20 parts
Thermoplastic elastomer (POE) 9 parts
Ethylene-propylene diene copolymer 20 parts
Polyethylene (PE) 6 parts
Ethylene-vinyl acetate copolymer (EVA) 27 parts
Strengthening agent 9 parts
Anti-wear agent 3 parts
Promoting agent 1.3 parts
Vulcanization leveller 1.3 parts
Vulcanization accelerator 0.8 part
Flow promotor 0.8 part
Linking agent 1 part
Whipping agent 2.3 parts
This formula is for adapting to snappiness, high tensile, microporous foam, the anti-goods requirement compared with low temperature.Preparation process is: first the rubber-plastic composition of formula ratio, flow promotor, strengthening agent, promoting agent, vulcanization leveller, vulcanization accelerator are put into banburying in Banbury mixer, mix and add whipping agent and linking agent after 8 minutes, remix 4 minutes, Banbury mixer temperature 105 DEG C, then after opening refining, extruding pelletizing, become the synthesizing cross-linked body particle of ternary rubber and plastic.
Put in the hopper of erect-position formula injection moulding machine by synthesizing cross-linked for ternary rubber and plastic body particle, open injection moulding machine to ternary rubber and plastic synthesizing cross-linked body particle temperature-pressure, make it become turbulent sizing material, the temperature of this process controls at 100 DEG C, and pressure is at 105MPa.When the synthesizing cross-linked body particle of ternary rubber and plastic becomes the turbulent sizing material that can inject, be injected in the mold cavity of mould by this turbulent sizing material, the turbulent sizing material in this mold cavity of sulfuration, curing temperature is 170 DEG C, curing time is 3 minutes, foams while sizing material carries out sulfuration.After reaching the curing time of setting, the demoulding is the synthesizing cross-linked system product of finished product ternary rubber and plastic.
Synthesizing cross-linked for the ternary rubber and plastic of set weight body particle is put in the mold cavity of curing forming mold, closing molding is also sent into the vulcanization bed of fluid pressure type vulcanizer, temperature-pressure is carried out to curing forming mold, while making the synthesizing cross-linked body particle of the ternary rubber and plastic in mold cavity become turbulent sizing material, turbulent sizing material in this mold cavity of sulfuration, the pressure of this process is at 125MPa, and temperature is 160 DEG C, curing time is 5 minutes, foams while sizing material carries out sulfuration.After reaching the curing time of setting, the demoulding is the synthesizing cross-linked system product of finished product ternary rubber and plastic.
Embodiment 2:
Natural rubber 14 parts
Thermoplastic elastomer (POE) 9 parts
Ethylene-propylene diene copolymer 19 parts
Polyethylene (PE) 12 parts
Ethylene-vinyl acetate copolymer (EVA) 21 parts
Strengthening agent 13 parts
Anti-wear agent 5 parts
Promoting agent 1.2 parts
Vulcanization leveller 1.2 parts
Vulcanization accelerator 0.8 part
Flow promotor 0.8 part
Linking agent 1 part
Whipping agent 2 parts
This formula is for adapting to snappiness, stretch-proof, acid and alkali-resistance, solvent resistant, light foaming, high cryophylactic goods requirement, making step is: first the rubber-plastic composition of formula ratio, flow promotor, strengthening agent, promoting agent, vulcanization leveller, vulcanization accelerator are put into banburying in Banbury mixer, mix and add whipping agent and linking agent after 8 minutes, remix 4 minutes, Banbury mixer temperature 105 DEG C, then after opening refining, extruding pelletizing, become the synthesizing cross-linked body particle of ternary rubber and plastic.
Molding mode is identical with " embodiment 1 " with forming technique parameter.
Claims (7)
1. the formula of the synthesizing cross-linked body of ternary rubber and plastic and preparation technology, it is characterized in that: the synthesizing cross-linked body of ternary rubber and plastic is made up of rubber-plastic composition and the large component of rubber and plastics auxiliaries two, by mass parts, rubber-plastic composition component is made up of 15 ~ 25 parts of ethylene-vinyl acetate copolymers (EVA), 5 ~ 30 parts of natural rubbers, 10 ~ 20 parts of ethylene-propylene diene copolymers, 5 ~ 10 parts of thermoplastic elastomers (POE), 5 ~ 20 parts of polyethylene (PE); Rubber and plastics auxiliaries component is made up of 3 ~ 10 portions of strengthening agents, 5 ~ 8 parts of promoting agents, 0.5 ~ 1.5 part of vulcanization leveller, 0.5 ~ 2 part of vulcanization accelerator, 3 ~ 5 parts of flow promotors, 1.5 ~ 3 parts of linking agents, 3 ~ 5 parts of anti-wear agents, 0 ~ 5 part of whipping agent; Flow promotor in formula ratio rubber-plastic composition component and adjuvant component, strengthening agent, promoting agent are first put into banburying in Banbury mixer by preparation technology, after add whipping agent and linking agent, then after opening refining, extruding pelletization, become the synthesizing cross-linked body particle of ternary rubber and plastic; Molding mode comprises and a fluid pressure type vulcanizer sulfidization molding shaping by the shot of erect-position formula injection moulding machine.
2. the formula of the synthesizing cross-linked body of ternary rubber and plastic according to claim 1 and preparation technology, is characterized in that: described strengthening agent adopts the minimum one in carbon black and silicon-dioxide.
3. the formula of the synthesizing cross-linked body of ternary rubber and plastic according to claim 1 and preparation technology, is characterized in that: described promoting agent adopts zinc oxide, and described vulcanization leveller adopts Zinic stearas, and described vulcanization accelerator adopts stearic acid.
4. the formula of the synthesizing cross-linked body of ternary rubber and plastic according to claim 1 and preparation technology, it is characterized in that: described flow promotor comprises dispersion agent and modify flow agent, what dispersion agent adopted is fatty acid polyglycol ester, and modify flow agent can be at least one in ethylene-butadiene-styrene multipolymer, styrene-ethylene-butadiene styrol copolymer, styrene ethylene-propylene-styrol copolymer.
5. the formula of the synthesizing cross-linked body of ternary rubber and plastic according to claim 1 and preparation technology, is characterized in that: described whipping agent comprises the wherein a kind of of blowing agent H or blowing agent AC or whipping agent OBSH.
6. the formula of the synthesizing cross-linked body of ternary rubber and plastic according to claim 1 and preparation technology, it is characterized in that: described linking agent comprises dicumyl peroxide (DCP), di-isopropylbenzene hydroperoxide, benzoyl peroxide, ditertiary butyl peroxide, 2,5-dimethyl-2,5 di-t-butyl hexane peroxides, the present invention adopts dicumyl peroxide (DCP).
7. the formula of the synthesizing cross-linked body of ternary rubber and plastic according to claim 1 and preparation technology, is characterized in that: described rubber ingredients also comprise anti-aging agent, releasing agent, fire retardant, viscosity increaser, tinting material, oxidation inhibitor, conductive material.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105419119A (en) * | 2015-12-16 | 2016-03-23 | 台州山江橡塑有限公司 | Rubber and plastic foaming material and preparation method thereof |
| CN105585769A (en) * | 2016-03-14 | 2016-05-18 | 福建省长立网络科技有限公司 | High-wear-resistance elastic polymer rubber material and preparation method thereof |
| CN107868294A (en) * | 2017-11-03 | 2018-04-03 | 中国科学院宁波材料技术与工程研究所 | A kind of high durometer rubber expanded material and preparation method thereof |
| CN107936321A (en) * | 2017-11-03 | 2018-04-20 | 中国科学院宁波材料技术与工程研究所 | A kind of shooting foaming elastomeric material and preparation method thereof |
| CN108997647A (en) * | 2018-08-06 | 2018-12-14 | 晋江蓝鲸鞋业有限公司 | Sole damping sheet material and its preparation process |
| CN109306106A (en) * | 2018-08-30 | 2019-02-05 | 福建智铭鞋业有限公司 | A kind of Ultralight high abrasion rubber tread and preparation process |
| CN109306107A (en) * | 2018-08-30 | 2019-02-05 | 福建豪威节能科技发展有限公司 | A kind of light resilient rubber and plastic crosslinked of the EVA containing regeneration |
| CN109337180A (en) * | 2018-08-30 | 2019-02-15 | 福建豪威节能科技发展有限公司 | A kind of light wear-resistant rubber and plastic crosslinked of the EVA containing regeneration |
| CN109337181A (en) * | 2018-08-30 | 2019-02-15 | 福建智铭鞋业有限公司 | A kind of Ultralight high elasticity abrasion-proof sole and preparation process |
| CN111793263A (en) * | 2020-07-23 | 2020-10-20 | 磁县宝岛塑胶鞋业有限公司 | Rubber-plastic cross-linked foaming heat-preservation packaging box and injection molding process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105419119A (en) * | 2015-12-16 | 2016-03-23 | 台州山江橡塑有限公司 | Rubber and plastic foaming material and preparation method thereof |
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| CN107868294A (en) * | 2017-11-03 | 2018-04-03 | 中国科学院宁波材料技术与工程研究所 | A kind of high durometer rubber expanded material and preparation method thereof |
| CN107936321A (en) * | 2017-11-03 | 2018-04-20 | 中国科学院宁波材料技术与工程研究所 | A kind of shooting foaming elastomeric material and preparation method thereof |
| CN108997647A (en) * | 2018-08-06 | 2018-12-14 | 晋江蓝鲸鞋业有限公司 | Sole damping sheet material and its preparation process |
| CN108997647B (en) * | 2018-08-06 | 2021-02-23 | 晋江蓝鲸鞋业有限公司 | Damping sheet for shoe sole and preparation process thereof |
| CN109306106A (en) * | 2018-08-30 | 2019-02-05 | 福建智铭鞋业有限公司 | A kind of Ultralight high abrasion rubber tread and preparation process |
| CN109306107A (en) * | 2018-08-30 | 2019-02-05 | 福建豪威节能科技发展有限公司 | A kind of light resilient rubber and plastic crosslinked of the EVA containing regeneration |
| CN109337180A (en) * | 2018-08-30 | 2019-02-15 | 福建豪威节能科技发展有限公司 | A kind of light wear-resistant rubber and plastic crosslinked of the EVA containing regeneration |
| CN109337181A (en) * | 2018-08-30 | 2019-02-15 | 福建智铭鞋业有限公司 | A kind of Ultralight high elasticity abrasion-proof sole and preparation process |
| CN111793263A (en) * | 2020-07-23 | 2020-10-20 | 磁县宝岛塑胶鞋业有限公司 | Rubber-plastic cross-linked foaming heat-preservation packaging box and injection molding process |
| CN111793263B (en) * | 2020-07-23 | 2023-05-26 | 磁县宝岛塑胶鞋业有限公司 | Rubber-plastic crosslinked foaming heat-insulating packaging box and injection molding process |
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Application publication date: 20151028 |