CN105086127A - Special rubber vulcanizing agent hexamethylene diamine carbamate predispersed master batch and preparation method thereof - Google Patents
Special rubber vulcanizing agent hexamethylene diamine carbamate predispersed master batch and preparation method thereof Download PDFInfo
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- CN105086127A CN105086127A CN201510568254.8A CN201510568254A CN105086127A CN 105086127 A CN105086127 A CN 105086127A CN 201510568254 A CN201510568254 A CN 201510568254A CN 105086127 A CN105086127 A CN 105086127A
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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
- C08L23/0869—Acids or derivatives thereof
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- 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
- B29B7/002—Methods
- B29B7/005—Methods for mixing in batches
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- 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
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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
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—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
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
-
- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—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
- C08J2423/16—Ethene-propene or ethene-propene-diene copolymers
Abstract
The present invention discloses a special rubber vulcanizing agent hexamethylene diamine carbamate predispersed master batch, which comprises, by weight, 69-71 parts of hexamethylene diamine carbamate, 10-15 parts of a rubber carrier, 1-6 parts of stearic acid, 1-6 parts of saturated zinc fatty acid, 1-5 parts of fatty alcohol ester, 1-5 parts of a plasticizer and 1-10 parts of naphthenic oil. The preparation method of the special rubber vulcanizing agent hexamethylene diamine carbamate predispersed master batch provided by the invention is simple and easy to operate; the prepared special rubber vulcanizing agent hexamethylene diamine carbamate predispersed master batch can effectively preserve the original activity of HMDC, doe not stick at room temperature, and is easy for mixing the ingredients, so as to make the formula convenient and accurate. The rubber vulcanizing agent hexamethylene diamine carbamate predispersed master batch is an ideal substitute for carcinogenic guanidine-based vulcanizing agents DOTG and DPG; and the dust pollution in the rubber mixing process using the pre-disperse master batch has been effectively controlled and reduced; and HMDC is uniformly dispersed in the rubber to reach good compatibility with the rubber.
Description
Technical field
The present invention relates to rubber ingredients and preparing technical field thereof, specifically a kind of pre-dispersed masterbatch particles and preparation method thereof of specialty elastomer vulcanizing agent hexa-methylene carboxylamine diamines.
Background technology
According to REACH regulation, European Union will prohibit the use guanidine class vulcanizing agent, as DPG(diphosphoglyceric acid) and DOTG(N, N'-di-o-tolylguanidine), because it has carcinogenesis.Usually, DOTG or DPG and DOTG mixture and HMDA or HMDC use.Such as, ethylene acrylic elastomers (AEM) has the effect of high-low temperature resistant and the fluid of resistance to new automobile erosion, and its application on automobile has: sealing article, pad, conduit, sebific duct, dust-proof flexible pipe and vibroshock etc.; Vulcanization system the most frequently used in ethylene-acrylate (AEM) rubber size is the paralled system of DOTG (di-o-tolylguanidine) or DPG (vulkacit D) and HMDC (hexamethylene diamine carbamate).HMDA (hexamethylene-diamine) and carbonic acid gas can be resolved into when HMDC is exposed in high temperature and/or moisture.High temperature vulcanized period, HMDC converts HMDA to, is the active thionating agent of AEM.The component that in AEM sizing material, cost second is high is HMDC.Some nearest researchs show, by REACH regulation, HMDC is considered to the secure replacement product of carcinogenic auxiliary agent DOTG and DPG.HMDC, i.e. hexa-methylene carboxylamine diamines, be a kind of specialty elastomer vulcanizing agent, its outward appearance is white powder, and fusing point is not less than 155 DEG C.When HMDC is added directly in rubber, can causes disperseing problem that is uneven and dust from flying in rubber mixing process, cause environmental pollution and workers ' health problem.
Summary of the invention
Technical problem to be solved by this invention is: for the deficiencies in the prior art, pre-dispersed masterbatch particles of a kind of specialty elastomer vulcanizing agent hexa-methylene carboxylamine diamines and preparation method thereof is provided, this pre-dispersed masterbatch particles is the ideal substitute of carcinogenic guanidine class vulcanizing agent DOTG and DPG, can retain the activity of HMDC to greatest extent; Adopt the dust pollution question in the rubber mixing process after this pre-dispersed masterbatch particles be effectively controlled and reduce, HMDC is uniformly dispersed in rubber, good with the consistency of rubber.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of pre-dispersed masterbatch particles of specialty elastomer vulcanizing agent hexa-methylene carboxylamine diamines, count by weight, consisting of of this masterbatch particles: hexa-methylene carboxylamine diamines 69 ~ 71 parts, rubber carrier 10 ~ 15 parts, stearic acid 1 ~ 6 part, 1 ~ 6 part, saturated fatty acid zinc, alcohol fatty acid ester 1 ~ 5 part, 1 ~ 5 part, softening agent, naphthenic oil 1 ~ 10 part.
As preferably, described rubber carrier comprises any one in ethylene-acrylate rubber, paracril, styrene-butadiene rubber(SBR), terpolymer EP rubber and chlorohydrin rubber.
As preferably, described softening agent is any one in Octyl adipate, o-phthalic acid dibutyl ester, dimixo-octyl phthalate, dibutyl phthalate, diisobutyl phthalate, triphenyl, cresyl diphenyl phosphate, the different certain herbaceous plants with big flowers ester of diphenyl phosphate and tributyl phosphate.
As preferably, count by weight, consisting of of this masterbatch particles: hexa-methylene carboxylamine diamines 70 parts, rubber carrier 13 parts, stearic acid 3 parts, 2 parts, saturated fatty acid zinc, alcohol fatty acid ester 2 parts, 3 parts, softening agent, naphthenic oil 7 parts.
The preparation method of the pre-dispersed masterbatch particles of above-mentioned specialty elastomer vulcanizing agent hexa-methylene carboxylamine diamines, comprises the following steps:
(1) take according to proportion speed and prepare each raw material needed for masterbatch particles;
(2) rubber carrier is put in Banbury mixer by proportioning, temperature be 70 ~ 80 DEG C, rotating speed be the condition of 50 ~ 60r/min under mixing 3 ~ 8min;
(3) hexa-methylene carboxylamine diamines, stearic acid, saturated fatty acid zinc, alcohol fatty acid ester, softening agent and naphthenic oil are put in the Banbury mixer of step (2), temperature be 70 ~ 80 DEG C, rotating speed continues mixing 2 ~ 7min under being the condition of 50 ~ 60r/min, obtains sizing material;
(4) by mixing for step (3) rear gained sizing material feeding to forcing machine, to extrude, pelletizing, namely obtain the pre-dispersed masterbatch particles of specialty elastomer vulcanizing agent hexa-methylene carboxylamine diamines.
As preferably, in step (4), by the sizing material feeding that obtains in step (3) to forcing machine, after 80 object strainer filterings, extrude pelletizing, namely obtain the pre-dispersed masterbatch particles of specialty elastomer vulcanizing agent hexa-methylene carboxylamine diamines.Time prepared by masterbatch particles, granulation after filtering, make the masterbatch particles inclusion-free for preparing and dust, follow-uply can not produce filter net jam phenomenon for the manufacture of during rubber extruding goods, be particularly useful for quality and the higher rubber extruding goods of accuracy requirement, the scrap rate of rubber extruding goods can be reduced, improve yield rate.
Compared with prior art, the invention has the advantages that: the preparation method of the pre-dispersed masterbatch particles of specialty elastomer vulcanizing agent hexa-methylene carboxylamine diamines provided by the invention is simple, easy to operate; The pre-dispersed masterbatch particles of the specialty elastomer vulcanizing agent hexa-methylene carboxylamine diamines prepared effectively can retain original activity of HMDC, and at room temperature sticky group, is easy to mixing ingredient, makes batching convenient, accurate.The pre-dispersed masterbatch particles of specialty elastomer vulcanizing agent hexa-methylene carboxylamine diamines of the present invention is the ideal substitute of carcinogenic guanidine class vulcanizing agent DOTG and DPG, the dust pollution question in the rubber mixing process after this pre-dispersed masterbatch particles is adopted to be effectively controlled and to reduce, HMDC is uniformly dispersed in rubber, good with the consistency of rubber.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
Consisting of of the pre-dispersed masterbatch particles of the specialty elastomer vulcanizing agent hexa-methylene carboxylamine diamines of embodiment one: hexa-methylene carboxylamine diamines 70 parts, ethylene-acrylate rubber 13 parts, stearic acid 3 parts, 2 parts, saturated fatty acid zinc, alcohol fatty acid ester 2 parts, Octyl adipate 3 parts, naphthenic oil 7 parts, the preparation method of this masterbatch particles, comprises the following steps:
(1) take according to proportion speed and prepare each raw material needed for masterbatch particles;
(2) ethylene-acrylate rubber is put in Banbury mixer by proportioning, temperature be 80 DEG C, rotating speed be the condition of 55r/min under mixing 4min;
(3) hexa-methylene carboxylamine diamines, stearic acid, saturated fatty acid zinc, alcohol fatty acid ester, Octyl adipate and naphthenic oil are put in the Banbury mixer of step (2), temperature be 80 DEG C, rotating speed continues mixing 4min under being the condition of 55r/min, obtains sizing material;
(4) by mixing for step (3) rear gained sizing material feeding to forcing machine, after 80 object strainer filtering, extrude pelletizing, namely obtain the pre-dispersed masterbatch particles of the specialty elastomer vulcanizing agent hexa-methylene carboxylamine diamines of embodiment one.After testing, the density of this rubber master batch 20 DEG C is 1.12g/cm
3, the mooney viscosity ML(1+4 of 50 DEG C) and be 49.8.
Consisting of of the pre-dispersed masterbatch particles of the specialty elastomer vulcanizing agent hexa-methylene carboxylamine diamines of embodiment two: hexa-methylene carboxylamine diamines 69 parts, terpolymer EP rubber 12 parts, stearic acid 2 parts, 2 parts, saturated fatty acid zinc, alcohol fatty acid ester 3 parts, triphenyl 3 parts, naphthenic oil 9 parts, the preparation method of this masterbatch particles, comprises the following steps:
(1) take according to proportion speed and prepare each raw material needed for masterbatch particles;
(2) terpolymer EP rubber is put in Banbury mixer by proportioning, temperature be 75 DEG C, rotating speed be the condition of 58r/min under mixing 3min;
(3) hexa-methylene carboxylamine diamines, stearic acid, saturated fatty acid zinc, alcohol fatty acid ester, triphenyl and naphthenic oil are put in the Banbury mixer of step (2), temperature be 75 DEG C, rotating speed continues mixing 5min under being the condition of 58r/min, obtains sizing material;
(4) by mixing for step (3) rear gained sizing material feeding to forcing machine, after 80 object strainer filtering, extrude pelletizing, namely obtain the pre-dispersed masterbatch particles of the specialty elastomer vulcanizing agent hexa-methylene carboxylamine diamines of embodiment two.After testing, the density of this rubber master batch 20 DEG C is 1.11g/cm
3, the mooney viscosity ML(1+4 of 50 DEG C) and be 50.4.
Consisting of of the pre-dispersed masterbatch particles of the specialty elastomer vulcanizing agent hexa-methylene carboxylamine diamines of embodiment three: hexa-methylene carboxylamine diamines 71 parts, ethylene-acrylate rubber 14 parts, stearic acid 2 parts, 2 parts, saturated fatty acid zinc, alcohol fatty acid ester 1 part, tributyl phosphate 2 parts, naphthenic oil 8 parts, the preparation method of this masterbatch particles, comprises the following steps:
(1) take according to proportion speed and prepare each raw material needed for masterbatch particles;
(2) ethylene-acrylate rubber is put in Banbury mixer by proportioning, temperature be 78 DEG C, rotating speed be the condition of 56r/min under mixing 5min;
(3) hexa-methylene carboxylamine diamines, stearic acid, saturated fatty acid zinc, alcohol fatty acid ester, tributyl phosphate and naphthenic oil are put in the Banbury mixer of step (2), temperature be 78 DEG C, rotating speed continues mixing 5min under being the condition of 56r/min, obtains sizing material;
(4) by mixing for step (3) rear gained sizing material feeding to forcing machine, after 80 object strainer filtering, extrude pelletizing, namely obtain the pre-dispersed masterbatch particles of the specialty elastomer vulcanizing agent hexa-methylene carboxylamine diamines of embodiment three.After testing, the density of this rubber master batch 20 DEG C is 1.15g/cm
3, the mooney viscosity ML(1+4 of 50 DEG C) and be 50.8.
Claims (6)
1. the pre-dispersed masterbatch particles of a specialty elastomer vulcanizing agent hexa-methylene carboxylamine diamines, it is characterized in that, count by weight, consisting of of this masterbatch particles: hexa-methylene carboxylamine diamines 69 ~ 71 parts, rubber carrier 10 ~ 15 parts, stearic acid 1 ~ 6 part, 1 ~ 6 part, saturated fatty acid zinc, alcohol fatty acid ester 1 ~ 5 part, 1 ~ 5 part, softening agent, naphthenic oil 1 ~ 10 part.
2. the pre-dispersed masterbatch particles of a kind of specialty elastomer vulcanizing agent hexa-methylene carboxylamine diamines according to claim 1, it is characterized in that, described rubber carrier comprises any one in ethylene-acrylate rubber, paracril, styrene-butadiene rubber(SBR), terpolymer EP rubber and chlorohydrin rubber.
3. the pre-dispersed masterbatch particles of a kind of specialty elastomer vulcanizing agent hexa-methylene carboxylamine diamines according to claim 1 and 2, it is characterized in that, described softening agent is any one in Octyl adipate, o-phthalic acid dibutyl ester, dimixo-octyl phthalate, dibutyl phthalate, diisobutyl phthalate, triphenyl, cresyl diphenyl phosphate, the different certain herbaceous plants with big flowers ester of diphenyl phosphate and tributyl phosphate.
4. the pre-dispersed masterbatch particles of a kind of specialty elastomer vulcanizing agent hexa-methylene carboxylamine diamines according to claim 1 and 2, it is characterized in that, count by weight, consisting of of this masterbatch particles: hexa-methylene carboxylamine diamines 70 parts, rubber carrier 13 parts, stearic acid 3 parts, 2 parts, saturated fatty acid zinc, alcohol fatty acid ester 2 parts, 3 parts, softening agent, naphthenic oil 7 parts.
5. the preparation method of the pre-dispersed masterbatch particles of a kind of specialty elastomer vulcanizing agent hexa-methylene carboxylamine diamines according to any one of Claims 1 to 4, is characterized in that, comprise the following steps:
(1) take according to proportion speed and prepare each raw material needed for masterbatch particles;
(2) rubber carrier is put in Banbury mixer by proportioning, temperature be 70 ~ 80 DEG C, rotating speed be the condition of 50 ~ 60r/min under mixing 3 ~ 8min;
(3) hexa-methylene carboxylamine diamines, stearic acid, saturated fatty acid zinc, alcohol fatty acid ester, softening agent and naphthenic oil are put in the Banbury mixer of step (2), temperature be 70 ~ 80 DEG C, rotating speed continues mixing 2 ~ 7min under being the condition of 50 ~ 60r/min, obtains sizing material;
(4) by mixing for step (3) rear gained sizing material feeding to forcing machine, to extrude, pelletizing, namely obtain the pre-dispersed masterbatch particles of specialty elastomer vulcanizing agent hexa-methylene carboxylamine diamines.
6. the preparation method of the pre-dispersed masterbatch particles of a kind of specialty elastomer vulcanizing agent hexa-methylene carboxylamine diamines according to claim 5, it is characterized in that, in step (4), by the sizing material feeding that obtains in step (3) to forcing machine, after 80 object strainer filterings, extrude pelletizing, namely obtain the pre-dispersed masterbatch particles of specialty elastomer vulcanizing agent hexa-methylene carboxylamine diamines.
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| CN201510568254.8A CN105086127B (en) | 2015-09-09 | 2015-09-09 | A kind of pre-dispersed masterbatch particles of specific rubber vulcanizing agent hexa-methylene carbamic acid diamines and preparation method thereof |
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| CN201510568254.8A CN105086127B (en) | 2015-09-09 | 2015-09-09 | A kind of pre-dispersed masterbatch particles of specific rubber vulcanizing agent hexa-methylene carbamic acid diamines and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109111718A (en) * | 2018-07-11 | 2019-01-01 | 宁波艾克姆新材料有限公司 | Pre-dispersed masterbatch particles of nickel dibutyl dithiocarbamate and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1386943A1 (en) * | 2002-07-29 | 2004-02-04 | Illinois Tool Works Inc. | Fluoroelastomer compositions, their preparation, and their use |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1386943A1 (en) * | 2002-07-29 | 2004-02-04 | Illinois Tool Works Inc. | Fluoroelastomer compositions, their preparation, and their use |
Non-Patent Citations (2)
| Title |
|---|
| 中国橡胶工业协会橡胶助剂专业委员会等编著: "《中国橡胶助剂工业的清洁生产》", 30 September 2011, 中国商业出版社 * |
| 张孟存等: "氟橡胶/丁睛橡胶混炼胶的研制", 《特种橡胶制品》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109111718A (en) * | 2018-07-11 | 2019-01-01 | 宁波艾克姆新材料有限公司 | Pre-dispersed masterbatch particles of nickel dibutyl dithiocarbamate and preparation method thereof |
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Address after: 315000 No.261 huangjipu Road, high tech Industrial Park, Jiangbei District, Ningbo City, Zhejiang Province Patentee after: Ningbo EKM New Material Co.,Ltd. Address before: 315000 No.1, Lane 168, Haichuan Road, Jiangbei District, Ningbo City, Zhejiang Province Patentee before: NINGBO ACTMIX RUBBER CHEMICALS Co.,Ltd. |