CN107488273A - A kind of accelerator ZDEC mixtures and its rubber compound composition - Google Patents
A kind of accelerator ZDEC mixtures and its rubber compound composition Download PDFInfo
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- CN107488273A CN107488273A CN201610412532.5A CN201610412532A CN107488273A CN 107488273 A CN107488273 A CN 107488273A CN 201610412532 A CN201610412532 A CN 201610412532A CN 107488273 A CN107488273 A CN 107488273A
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/39—Thiocarbamic acids; Derivatives thereof, e.g. dithiocarbamates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/43—Compounds containing sulfur bound to nitrogen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/45—Heterocyclic compounds having sulfur in the ring
- C08K5/46—Heterocyclic compounds having sulfur in the ring with oxygen or nitrogen in the ring
- C08K5/47—Thiazoles
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2205/02—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
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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
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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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- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of accelerator ZDEC mixtures and its rubber compound composition, accelerator ZDEC mixtures include benzothiazole based bisulfide, bismuth dimethyl dithiocarbamate salt, dithio morpholine, and the weight ratio of three is：1.5：0.6：1.5.The each group that rubber compound composition includes is divided into：EPDM rubber, calcium carbonate, carbon black, naphthenic oil, activator, vulcanizing agent, accelerator mixture, accelerator mixture includes benzothiazole accelerator, dithiocarbamate accelerator and Thiolation morpholine accelerator, activator can be zinc oxide and stearic composition, it can also be the composition of zinc oxide and polyethylene glycol, can also be zinc oxide, polyethylene glycol, the composition of alkylphenol-formaldehyde resin.Beneficial effects of the present invention are：The present invention can effectively prevent the formation of iris gloss, or can minimize the formation of iris gloss, so as to obtain the molding and extruded product that aesthetic property greatly improves.
Description
Technical field
The present invention relates to accelerator preparing technical field, more particularly to one kind can prevent iris gloss or by iris
The accelerator ZDEC mixtures and its rubber compound composition that the formation of gloss minimize.
Background technology
As known to professional and technical personnel, extruding and molding rubber composition is special in multiple use perhaps
It is not in the automotive industry, to be widely used as packing ring, sealing ring, flexible pipe, gasket ring, sebific duct, rubber strip, cushion pad etc..One kind claims
For the rubber of Ethylene-Propylene-Diene monomer terpolymer（Or ethylene propylene diene rubber）, due to good processing characteristics and
Vulcanizing properties, it is used for above-mentioned every purposes successful.Professional and technical personnel is very familiar with these rubber, and they are by second
Alkene, one or more monoene containing 3 to 16 carbon atoms（Preferably propylene）And one or more contain multiple carbon-to-carbon double bonds
Polyenoid copolymerization form.
This EPDM（EPDM）Diene monomers in rubber are preferably the more insatiable hungers of the open chain containing 4 to 20 carbon atoms
And hydrocarbon, such as Isosorbide-5-Nitrae-hexadiene.Monocyclic and more ring polyenes more preferably, preferably the bridged ring hydrocarbon of how unsaturated or halo bridged ring hydrocarbon.
The example of the latter include two rings-（2,2,1）The how unsaturated derivative of-heptane, wherein at least one double bond are located at a bridge
Among ring（Such as bicyclopentadiene, two rings-（2,2,1）- hept- 2,5- diene）；Alkylidene ENB, especially 5- alkylenes
Base -2- ENBs, wherein alkylidene contain 1 to 20 carbon atom, preferably containing 1 to 8 carbon atom；And alkenyl drop
Bornylene, especially 5- alkenyls -2- ENBs, its alkenyl groups contain about 3 to 20 carbon atoms, preferably contain 3
To 10 carbon atoms.Be suitably used as diene monomers other bridged ring hydrocarbon include two rings-（2,2,2）The how unsaturated of-octane is spread out
Biology（Such as two rings-（3,2,1）Octane）, two rings-（3,3,1）The how unsaturated derivative of nonane and two rings-（3,2,2）Nonane
How unsaturated derivative.
The instantiation of preferable endocyclic compound includes 5- methylene -2- ENBs, 5- ethylidene -2- norborneols
Positive propylidene -2- the ENBs of alkene, 5-, dicyclopentadiene and methyl butyl ENB, such as 5-（2- methyl -2- butyl）-
2- ENBs, 5-（3- methyl -2- butyl）- ENB and 5-（3,5- dimethyl -4- hexyls）- 2- ENBs.
There are some in this kind of EPDM rubber in Copolymer Rubber and Chemical Corporation（Copolymerization
Thing rubber and chemical company）With the trademark Soynatto of " EPsyn ".
For above-mentioned final use, until rubber has vulcanized or solidifies, so as to improve mechanical strength and
Stability necessary to long-term reservoir, processing and forming just calculate completion.
EPDM side chain unsaturation is provided by various mechanism, including by peroxide, sulphur and resin, carries out sulphur
The possibility of change.The selection of vulcanizing system is critically important, because it had both influenceed the stress-strain property of final vulcanizate, and shadow
Ring its heat resistance and compression.
It is right when it is desirable that improving heat resistance and the rubber mixture that can not use sulphur or peroxide crosslinking with other in EPDM
EPDM uses resin crosslinks system.
Peroxide systems are often used without for EPDM, because it is odorous, and require special sulfurization technology；Example
Such as, hot-air cure can not be used for peroxide systems.Need to use high content（More than 20%）Cycloalkanes or paraffinic and carbon
Black formula, i.e., it is also very slow using the peroxide of high content, vulcanization.For EPDM, sulfur-crosslinked system is used more extensive, because
To prepare, not needing special technology and process equipment in extruding or molding and sulfidation.By adjusting base-material EPDM
In unsaturation it is horizontal, the very economical state of cure (vulcanization) efficiently controlled in made finished product of sulfur system can be used, and without worrying
It is crosslinked during extruding or molding.From appropriate accelerator, it is possible to achieve very quick vulcanisation operation.
A kind of sulfurizing formula for being typically used for sulfur sulfide system should include：（1）A kind of activator, typically metal oxygen
Compound, such as zinc oxide, magnesia, manganese oxide, if using organic accelerator, also there is aliphatic acid（Such as stearic acid）With
Metal oxide is used cooperatively,（2）Sulphur or Sulfur masterbatch, and（3）A kind of accelerator, this is to be cut to commercial Application
Reality reaches in the feasible time necessary to specific state of cure (vulcanization).
For referred to herein as various uses in EPDM formula in, it usually needs incorporation carbon black and plasticizer or add
Work oil.Carbon black is intended for reinforcing agent, and provides the stability of confrontation harmful radiation and ozone.Processing oil reduces blend
Effective viscosity, so as to which the EPDM rubber of those high Mooney viscosities that is relatively cheap and being readily obtained can be used.
Using carbon black formula when, before vulcanization and after, fine and close and spongy extruder member and densification
Iris gloss is all observed on moulded parts.This gloss is a kind of superficial phenomenon that visible golden, green and blue is presented.
The surface area of extruder member or molded parts is bigger, and iris gloss is stronger.Even if this gloss seems not influence vulcanization system
The physical property of product, auto industry have also assert that this color appearance is inappropriate.EPDM in the automotive industry extensively should
Harmed with the outward appearance of the oil slick due to being associated with this iris gloss phenomenon.Hyundai Motor designer is especially closed
The collocation of colour of the various automobile components of the heart.If the quality of black surface can be made adaptable with other colors, often
Specify dark features.
Ultraviolet light is exposed in manufactured goods（Common fluorescence has the UV intensity for being enough to produce iris）During with ozone
Iris gloss phenomenon can especially be produced.It has been determined that in ozone concentration it is 50pphm by molding or extruder member sample（5000000000 points
One of）Ozone chamber in place 4 hours, the appearance of gloss can accelerate.
When studying iris gloss phenomenon, once many aspects of manufacturing process were examined, including formula, batch mixing side
Method, extruding or condition of moulding and vulcanization process and condition.Previously it is known that formula in component（Typically sulphur and plasticising
Agent）Frosting is understood, on the surface for moving to molding or extrusion.Many documents on batch mixing are mentioned by properly selecting sulphur,
Such as using the dosage for mixing organic sulfur vulcanization agent reduction Sulfur, Sulfur frosting can be minimize.Here it was observed that rainbow
Glory pool be one with Sulfur frosting differ the problem of, generally will not in same formula observe both phenomenons.But
When to iris gloss being due to some component or some components penetrate into the hypothesis on rubber components surface and studied, laboratory
Researcher is it is disclosed that gloss phenomenon can be washed off with some solvents or extract.The solvent of extraction contains promotion through analysis
Agent component and plasticiser system.
The content of the invention
In order to solve the problems of the prior art, it is an object of the invention to provide a kind of accelerator ZDEC mixtures and its rubber
Glue batch mixing composition, it can effectively prevent the formation of iris gloss, or can minimize the formation of iris gloss, so as to obtain
The molding and extruded product that aesthetic property greatly improves.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of accelerator ZDEC mixtures, it is characterised in that it includes benzothiazole accelerator, dithiocar-bamate promotes
Agent, Thiolation morpholine accelerator, the benzothiazole accelerator, dithiocarbamate accelerator, Thiolation morpholine promote
The weight ratio of agent is：1.5：0.6：1.5.
Preferably, the benzothiazole accelerator is benzothiazole based bisulfide.
It is further preferred that the dithiocarbamate accelerator is bismuth dimethyl dithiocarbamate salt.
Still more preferably, the Thiolation morpholine accelerator is dithio morpholine.
Present invention also offers a kind of rubber compound composition, its each group included is divided into：EPDM rubber, calcium carbonate,
Carbon black, naphthenic oil, activator, vulcanizing agent, accelerator mixture, the accelerator mixture include benzothiazole accelerator, two
Thiocarbamate accelerator and Thiolation morpholine accelerator.
Preferable scheme, the benzothiazole accelerator corresponding to the EPDM rubber of 100 parts by weight, dithiocar-bamate
The parts by weight of each in accelerator, Thiolation morpholine accelerator are 0.1~3 parts by weight.
Further preferred scheme, the benzothiazole accelerator are benzothiazole based bisulfide, the two thio ammonia
Base formates accelerator is bismuth dimethyl dithiocarbamate salt, and the Thiolation morpholine is dithio morpholine.
Scheme still more preferably, the activator are zinc oxide and stearic composition.
The activator can also be the composition of zinc oxide and polyethylene glycol, wherein, the EPDM rubber institute of 100 parts by weight
The parts by weight of corresponding polyethylene glycol are 0.5~6 parts by weight.
The activator can also be zinc oxide, polyethylene glycol, the composition of alkylphenol-formaldehyde resin, wherein, 100 weight
The total weight parts of polyethylene glycol and alkylphenol-formaldehyde resin corresponding to the EPDM rubber of part are 0.5~6 parts by weight.
By using above technical scheme, a kind of accelerator ZDEC mixtures of the present invention and its rubber compound composition are with showing
There is technology to compare, its advantage is：
1st, the present invention can effectively prevent the formation of iris gloss by using special enhancer compositions, or can be by iris light
The formation in pool minimize, so as to obtain the molding and extruded product that aesthetic property greatly improves；
2nd, the activator of rubber compound composition of the present invention can make rubber comprehensive using polyethylene glycol and alkylphenol-formaldehyde resin
Close performance further to be improved, resin strengthens total cure, reduces the tendency of frosting.
Embodiment
To make the object, technical solutions and advantages of the present invention of greater clarity, with reference to instantiation, to the present invention
It is further described.It should be understood that these descriptions are merely illustrative, and it is not intended to limit the scope of the present invention.In addition,
In illustrating below, the description to known features and technology is eliminated, to avoid unnecessarily obscuring idea of the invention.
The present invention relates to a kind of enhancer compositions and improved rubber compound composition, more specifically, the present invention relates to
And rubber compound composition, wherein containing a kind of unique accelerator mixture, so as to which iris gloss is reduced into minimum level, and
Obtain improved cross-linking system.
The basic conception of the present invention is a kind of rubber composition, and can reduce gloss phenomenon containing one kind in its formula goes out
Existing special vulcanization or cross-linking system and the enhancer compositions for vulcanizing this rubber.It has been found that in EPDM rubbers
Glue formula includes a kind of accelerator mixture using Thiolation morpholine as solvent, can be by this gloss phenomenon significantly
Reduce or minimize degree.In a preferred embodiment of the present invention, Thiolation morpholine promotees with dithiocar-bamate
Enter agent and benzothiazole accelerator is used cooperatively together.It has been found that when using Spider sulphur as vulcanizing agent, it is this special
Accelerator mixture concur, so as to prevent or reduce EPDM rubber crosslinking in observe gloss phenomenon.
If the aliphatic acid in activator is replaced with the mixture of polyethylene glycol or polyethylene glycol and alkylphenol-formaldehyde resin
（Typically stearic acid）Component, then it can realize further improvement.The quantity of polyethylene glycol used can be rubber parts per hundred parts
Glue is with 0.5 to 6.0 part（Preferably every 100 parts of rubber is with 2 parts）, equally, when using the mixture of polyethylene glycol and resin, two
The dosage of person is every 100 parts of rubber with 0.5 to 6.0 part（Preferably every 100 parts of rubber is respectively with 2 parts）.
When implementing of the invention, the dosage of accelerator becomes according to the crosslink density of required final products.It is general next
Say, the dosage of each accelerator is every 100 parts（Weight）Rubber is with 0.1 to 3 part（Weight）.
It has been found that the basic conception of the present invention is best suited for EPDM rubber as described above, the rubber and one or more are normal
Carbon black additive, antioxidant, filler and the plasticizer of rule（Processing oil or extending oil）Prepare together.It is it has also been found that above-mentioned special
Accelerator mixture can also be used to exclude or greatly reduce in carbon black and conventional nitrile rubber（NBR）And butadiene-styrene rubber
（SBR）Preparation in observe gloss phenomenon.But the EPDM rubber of type described above is best, now the dosage of accelerator must
Must be higher, to offset the influence more relatively low than NBR and SBR of the degree of unsaturation of the rubber.
As known to professional and technical personnel, this EPDM rubber contains the ethene and propylene of chemical bonding（It is or other
C3 to C6 monoolefines）, the mol ratio of ethene and propylene is between 95: 10 to 5: 90, preferably from 70: 30 to 55: 55.At this
Polyenoid or substitution polyenoid in class EPDM rubber are chemical bondings, and its quantity is 0.1 to 10%（Mole）In the range of.Main chain
The degree of unsaturation of rubber can be that every 1000 carbon atoms contain 0 to 20 double bond in polymer chain.
Accelerator used in the embodiment of this invention, it is known for each, moreover, no matter the theory of the present invention
According to how, it is believed that effectiveness of the invention is derived from the combination of several accelerator.In the preferred embodiments of the invention
In, a kind of important accelerator is Thiolation morpholine.A morpholine group is referred to used herein of the Thiolation word of morpholine one
Pass through-S-S- keys and another heterocycle（Preferably another morpholine group）Mutually it is bonded.
In a preferred embodiment of the invention, using with the double morpholines of 4,4 '-curing（The trade mark of commercial goods is
“VanaxA”）：
VanaxA, Bismate and Altax are R.T.Vandcrbilt companies（Norwalk, Connecticut）Registration mark.
Morpholine double dithio can also use as vulcanizing agent, because it can play a part of for sulphur body.In elementary sulfur dosage
Must be low and require that last vulcanization rubber has the situation of excellent heat aging performance, two thiobis are used in formula
Quinoline is preferable.Sulfur and other two kind accelerator of the morpholine accelerator with Spider boards（Dithiocarbamate accelerator and
Benzothiazole accelerator）It is used cooperatively together.Spider boards sulfur sulfurizing agent can be any commercially available containing elementary sulfur
Vulcanizing agent.Dithiocarbamate accelerator is preferably the carbaminate of bismuth, preferably aminodithioformic acid bismuth salt.This
Bismuth dimethyl dithiocarbamate preferably is used in invention, it is with the trademark Soynatto of " Bismate ".Bismate is as super
Accelerator is especially effective, and it is preferably used for occasion of the curing temperature more than 160 DEG C.
As for benzothiazole accelerator, preferably with double（2,2 '-benzothiazole）Disulphide.It is commonly referred to as MBTS,
With the trademark Soynatto of " Altax ".
When preparing rubber compound composition in addition to those usually used, it is not necessary to which special technology of preparing adds
Work step is rapid.As long as simply using the vulcanizing system of the present invention, vulcanizing system is drawn together with rubber size by finished product producer
It is sufficient to enter in banbury, roll mill, extruding machine or similar routine techniques equipment.
After the basic conception of the present invention is described, referring now to following examples, these embodiments are as the present invention
Illustrate, rather than to implement the present invention limitation.
Embodiment 1
This example illustrates a kind of formula of EPDM moulding compounds using accelerator system of the present invention.Use Copolymer
Rubber and Chemical Corporation（Copolymer rubber and chemical company）The two kinds of EPDM polymer sold are made
For control formula, they have filled the carbon black, non-black fillers and plasticizer of high content, are fine and close automobile extrusions
Standard sizing material.Component in formula includes a kind of activator（Stearic acid and zinc oxide）And the calcium carbonate as inorganic filler.
Its composition is as follows：
Composition weight number
EPDM rubber（EPsyn 5508） 55
EPDM rubber（EPsyn 6906） 45
Calcium carbonate 20
Carbon black（N650 is black） 150
Carbon black（N762 is black） 85
Naphthenic oil（Flexon 680） 158
Activator-zinc oxide 6
Stearic acid 1.5
Sulphur（Spider sulphur） 1.0
The formula of enhancer compositions is as follows：
Accelerator parts by weight
Benzothiazole based bisulfide（Altax） 1.5
Bismuth dimethyl dithiocarbamate（Bismate） 0.6
Dithio morpholine（Vanax A） 1.5
Whole batch of materials are mixed in a BR Laboratary type Banbury mixer, the composition in banbury is followed with reverse mixing
Ring mastication.When reaching 250 °F（121℃）Dump temperature when, by sizing material by being released in banbury.
Composition is extruded by a Haake-Buchler Rheomix 600 with flat-die;Extrudate is made 12 inches
Length.By repeat samples in air circulating oven at 400 °F（204℃）Place 6 minutes.6 inches × 6 inches of tension test is used
Film and the compression deformation test film of fitting are at 350 °F（177℃）Compression molding 5 minutes.By the fixed sample of vulcanization and
Slit extrusion obtains stress-strain property, ageing property and compression evaluation.
To promote the appearance of iris gloss, sample is set as to 50pphm Orec 0600-C ozone chambers in ozone concentration
It is middle to place 4 hours.The quality of appearance is judged by observation, because it is a kind of aesthetic phenomenon to whether there is iris gloss, it is not necessary to survey
Amount.One surface without iris gloss is typically black or bright black, and iris gloss then show it is apparent blue, green and golden
Color.
The extrusion vulcanized with the accelerator system of the present invention does not have iris gloss after being placed in ozone chamber 4 hours.Make
To compare, the following accelerator system being usually used in EPDM rubber is used under similarity condition：
Accelerator parts by weight
Benzothiazole based bisulfide（Altax） 1.50
Tetramethylthiuram disulfide（MethylTuads） 0.80
Cupric dimethyldithio carbamate（Cumate） 0.27
Zinc dibutyl dithiocarbamate（ButylZimate） 2.0
Sulphur（Spider sulphur） 1.80
After being placed 4 hours in ozone chamber, control formula shows obvious iris gloss.
By above-mentioned it is clear that of the invention can substantially reduce iris gloss, so as to obtain the molding that aesthetic property greatly improves
And extruded product.
Embodiment 2
This example illustrates, the fatty acid component in activator is replaced with the polar organic polymers of higher molecular weight, it is possible to achieve
It is further to improve.Stearic acid used in embodiment 1 is proved to move on surface, form from rubber extraction "
A part for white compound ".Two following formulas are tested as example 1.It is formulated the polyethylene glycol of 2 parts of low molecule amounts of A
（A kind of non-blooming organic lubricant）Instead of 1.5 parts of stearic acid.
Improved formula A
Composition weight number
EPsyn 5508 55
EPsyn 6906 45
Calcium carbonate 20
N650 black 150
N762 black 85
Naphthenic oil 160
Zinc oxide 6
Polyethylene glycol（P.E.G.3350） 2
Sulphur（Spider board sulphur） 1.0
Accelerator parts by weight
Benzothiazole based bisulfide（Altax） 1.5
Bismuth dimethyl dithiocarbamate（Bismate） 0.6
Dithio morpholine（Vanax A） 1.5
Improved formula B
Composition weight number
EPsyn 5508 55
EPsyn 6906 45
Calcium carbonate 20
N650 black 150
N762 black 85
Naphthenic oil 160
Zinc oxide 6
Polyethylene glycol（P.E.G.3350） 2
Alkylphenol-formaldehyde resin（SP-1068） 2
Sulphur（Spider board sulphur） 1.0
Accelerator parts by weight
Benzothiazole based bisulfide（Altax） 1.5
Bismuth dimethyl dithiocarbamate（Bismate） 0.6
Dithio morpholine（Vanax A） 1.5
Formula B explanations above, replace 1.5 parts of stearic acid to be entered with each 2 parts of polyethylene glycol and alkylphenol-formaldehyde resin
The improvement of one step.Resin strengthens total cure, so as to reduce the tendency of frosting.
Above-mentioned embodiment is exemplary, is to preferably make skilled artisans appreciate that originally
Patent, it is impossible to be not understood as the limitation for including scope to this patent；As long as times made of spirit according to disclosed in this patent
How with change or modification, the scope that this patent includes is each fallen within.
Claims (10)
1. a kind of accelerator ZDEC mixtures, it is characterised in that it includes benzothiazole accelerator, dithiocar-bamate promotees
Enter agent, Thiolation morpholine accelerator, the benzothiazole accelerator, dithiocarbamate accelerator, Thiolation morpholine promote
The weight ratio for entering agent is：1.5：0.6：1.5.
2. a kind of accelerator ZDEC mixtures according to claim 1, it is characterised in that the benzothiazole accelerator is
Benzothiazole based bisulfide.
A kind of 3. accelerator ZDEC mixtures according to claim 1, it is characterised in that the dithiocar-bamate
Accelerator is bismuth dimethyl dithiocarbamate salt.
A kind of 4. accelerator ZDEC mixtures according to claim 1, it is characterised in that the Thiolation morpholine accelerator
For dithio morpholine.
5. a kind of rubber compound composition, it is characterised in that its each group included is divided into：EPDM rubber, calcium carbonate, carbon black,
Naphthenic oil, activator, vulcanizing agent, accelerator mixture, the accelerator mixture include benzothiazole accelerator, two thio ammonia
Base formates accelerator and Thiolation morpholine accelerator.
A kind of 6. rubber compound composition according to claim 5, it is characterised in that the EPDM rubber institute of 100 parts by weight
The weight of each in corresponding benzothiazole accelerator, dithiocarbamate accelerator, Thiolation morpholine accelerator
Part is 0.1~3 parts by weight.
7. a kind of rubber compound composition according to claim 6, it is characterised in that the benzothiazole accelerator is benzene
Benzothiazolyl disulphide, the dithiocarbamate accelerator are bismuth dimethyl dithiocarbamate salt, the sulphur
Alcoholization morpholine is dithio morpholine.
8. a kind of rubber compound composition according to claim 5, it is characterised in that the activator is for zinc oxide and firmly
The composition of resin acid.
9. a kind of rubber compound composition according to claim 5, it is characterised in that the activator is zinc oxide and gathered
The composition of ethylene glycol, wherein, the parts by weight of the polyethylene glycol corresponding to the EPDM rubber of 100 parts by weight are 0.5~6 weight
Part.
10. a kind of rubber compound composition according to claim 5, it is characterised in that the activator is zinc oxide, gathered
The composition of ethylene glycol, alkylphenol-formaldehyde resin, wherein, polyethylene glycol and alkyl corresponding to the EPDM rubber of 100 parts by weight
The total weight parts of fluosite are 0.5~6 parts by weight.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1051741A (en) * | 1989-11-13 | 1991-05-29 | 斯塔米卡本公司 | Enhancer compositions and the rubber batch mixing composition that contains enhancer compositions |
| CN101973919A (en) * | 2010-09-28 | 2011-02-16 | 江苏飞亚化学工业有限责任公司 | Method for preparing zinc diphenyl dithiocarbamate |
| WO2014154602A1 (en) * | 2013-03-26 | 2014-10-02 | Akzo Nobel Chemicals International B.V. | Process for crosslinking epm and epdm |
| CN106674073A (en) * | 2016-12-12 | 2017-05-17 | 西安交通大学 | Method for preparing porous bismuth dibutyldithiocarbamate visible light catalyst |
-
2016
- 2016-06-13 CN CN201610412532.5A patent/CN107488273A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1051741A (en) * | 1989-11-13 | 1991-05-29 | 斯塔米卡本公司 | Enhancer compositions and the rubber batch mixing composition that contains enhancer compositions |
| CN101973919A (en) * | 2010-09-28 | 2011-02-16 | 江苏飞亚化学工业有限责任公司 | Method for preparing zinc diphenyl dithiocarbamate |
| WO2014154602A1 (en) * | 2013-03-26 | 2014-10-02 | Akzo Nobel Chemicals International B.V. | Process for crosslinking epm and epdm |
| CN106674073A (en) * | 2016-12-12 | 2017-05-17 | 西安交通大学 | Method for preparing porous bismuth dibutyldithiocarbamate visible light catalyst |
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