CN105670146A - High-performance vulcanized rubber jacket for transmission belts - Google Patents
High-performance vulcanized rubber jacket for transmission belts Download PDFInfo
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- CN105670146A CN105670146A CN201610181321.5A CN201610181321A CN105670146A CN 105670146 A CN105670146 A CN 105670146A CN 201610181321 A CN201610181321 A CN 201610181321A CN 105670146 A CN105670146 A CN 105670146A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 19
- 239000004636 vulcanized rubber Substances 0.000 title abstract 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229920005989 resin Polymers 0.000 claims abstract description 17
- 239000011347 resin Substances 0.000 claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 229920001084 poly(chloroprene) Polymers 0.000 claims abstract description 15
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 12
- 239000004200 microcrystalline wax Substances 0.000 claims abstract description 12
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 12
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000008117 stearic acid Substances 0.000 claims abstract description 12
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 11
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 11
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000011787 zinc oxide Substances 0.000 claims abstract description 11
- 239000012744 reinforcing agent Substances 0.000 claims abstract description 4
- 229920001971 elastomer Polymers 0.000 claims description 60
- 238000004073 vulcanization Methods 0.000 claims description 29
- 238000002156 mixing Methods 0.000 claims description 18
- 239000002994 raw material Substances 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- 239000006229 carbon black Substances 0.000 claims description 13
- 239000011230 binding agent Substances 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 9
- 238000007670 refining Methods 0.000 claims description 9
- 239000010445 mica Substances 0.000 claims description 7
- 229910052618 mica group Inorganic materials 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- BELBBZDIHDAJOR-UHFFFAOYSA-N Phenolsulfonephthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2S(=O)(=O)O1 BELBBZDIHDAJOR-UHFFFAOYSA-N 0.000 claims description 6
- 229920001807 Urea-formaldehyde Polymers 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 229960003531 phenolsulfonphthalein Drugs 0.000 claims description 6
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 claims description 6
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical group CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 claims description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 abstract description 15
- 229920001568 phenolic resin Polymers 0.000 abstract description 15
- 239000005011 phenolic resin Substances 0.000 abstract description 15
- 230000032683 aging Effects 0.000 abstract description 14
- 230000003712 anti-aging effect Effects 0.000 abstract 2
- 229920005557 bromobutyl Polymers 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 abstract 1
- 235000019808 microcrystalline wax Nutrition 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 8
- AFZSMODLJJCVPP-UHFFFAOYSA-N dibenzothiazol-2-yl disulfide Chemical compound C1=CC=C2SC(SSC=3SC4=CC=CC=C4N=3)=NC2=C1 AFZSMODLJJCVPP-UHFFFAOYSA-N 0.000 description 6
- 229920005549 butyl rubber Polymers 0.000 description 5
- 229910052736 halogen Inorganic materials 0.000 description 4
- 150000002367 halogens Chemical class 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 238000005486 sulfidation Methods 0.000 description 2
- TXUICONDJPYNPY-UHFFFAOYSA-N (1,10,13-trimethyl-3-oxo-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl) heptanoate Chemical compound C1CC2CC(=O)C=C(C)C2(C)C2C1C1CCC(OC(=O)CCCCCC)C1(C)CC2 TXUICONDJPYNPY-UHFFFAOYSA-N 0.000 description 1
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical group CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 229910021626 Tin(II) chloride Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- OQROAIRCEOBYJA-UHFFFAOYSA-N bromodiphenylmethane Chemical compound C=1C=CC=CC=1C(Br)C1=CC=CC=C1 OQROAIRCEOBYJA-UHFFFAOYSA-N 0.000 description 1
- 229920005556 chlorobutyl Polymers 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 238000010057 rubber processing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000001119 stannous chloride Substances 0.000 description 1
- 235000011150 stannous chloride Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
- C08L23/283—Halogenated homo- or copolymers of iso-olefins
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/04—Polymer mixtures characterised by other features containing interpenetrating networks
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a vulcanized rubber jacket for transmission belts. The vulcanized rubber jacket comprises, by weight, 95 parts of brominated butyl rubber, 5 parts of chloroprene rubber, 30-60 parts of reinforcing agents, 1-5 parts of homogenizing agents, 5-10 parts of tackifying resin, 5-10 parts of vulcanizing phenolic resin, 1-3 parts of microcrystalline wax, 1-3 parts of surface lubricants, 1-3 parts of anti-aging agents, 1-3 parts of accelerators, 0.2-1 part of stearic acid, 0.5-2 parts of magnesium oxide and 5 parts of zinc oxide. The vulcanized rubber jacket has the advantages of excellent air tightness, anti-aging property, permanent deformation resistance and thermal-oxidative aging resistance, long service life and low service cost of products.
Description
Technical field
The present invention relates to a kind of rubber gum cover, be specifically related to a kind of rubber gum cover for transmission belt vulcanizing.
Background technology
In the production process of transmission band, gum cover, for being enclosed within outside the sulfurizing mould of transmission band, has the effect ensureing transmission belt vulcanizing pressure, preventing its high-temperature expansion; The quality of gum cover and performance can directly affect the performance of transmission band.
Owing to gum cover needs long-term using under the environment of high temperature and humidity, and use procedure can be born stress that inside and outside wall pressure differential is brought for a long time. Therefore, gum cover is in use susceptible to surface thermo-oxidative ageing, the permanent deformation caused by stress effect; Even at the degraded that rubber molecular chain occurs in long-term use procedure.
Owing to butyl rubber has relatively low degree of unsaturation, its isobutyl ethylene linkage has higher inertia, thermostability and resistance to ag(e)ing that in prior art, conventional butyl rubber is excellent prepare curing bag, but butyl rubber processing poor-performing, the compatibility with other rubber and poor adhesion, and cure time is long, production cost is higher. Prior art also has use EPDM to prepare the technology of curing bag, although certain effect can be reached by the optimization of balanced constant and vulcanizing system to reduce the cost of goods, but the poor mechanical property that the construction features of EPDM own causes, the problem that thermal contraction is big are difficult to be solved, and product quality and life-span are difficult to be guaranteed at all.
Summary of the invention
It is an object of the invention to provide the rubber gum cover of transmission band, described vulcanization of rubber gum cover has heat oxygen aging resistance, high-temperature permanent deforms the plurality of advantages such as little, Gao Tingxing, good processability.
The present invention realizes by the following technical solutions:
A kind of transmission band vulcanization of rubber gum cover, be made up of the raw material of following parts by weight: the brombutyl of 95 weight portions, the neoprene of 5 weight portions, 30-60 weight portion reinforcing agent, the homogenizing agent of 1-5 weight portion, the tackifying resin of 1-5 weight portion, the phenol red urea formaldehyde of 5-10 weight portion, the microwax of 1-3 weight portion, the age resistor of 1-3 weight portion, the accelerator of 1-3 weight portion, the stearic acid of 0.2-1 weight portion, the magnesium oxide of 0.5-2 weight portion, 5 weight portions zinc oxide.
Vulcanization of rubber gum cover provided by the invention adopts brombutyl as key component, while brombutyl possesses superior tightness, high damping property, hypotonicity, introducing due to active bromine atom, add the type of cross-linking reaction, co-vulcanization can also be carried out with other rubber better, the problem of the difference that is effectively improved in prior art butyl rubber curability while there is excellent rate of cure; The introducing of bromine atoms simultaneously also improves and has the better compatibility and cementability with other rubber, improves the uniformity of goods, and heat resistance significantly improves.
In addition, brombutyl in the present invention adopts phenolic resin vulcanization system to vulcanize, adopting cross-bond that the brombutyl that this vulcanizing system vulcanizes formed based on C-C and the C-O key of high bond energy, this vulcanizing system gives the performance of brombutyl steam heat-resisting, resistance to and resistance to permanent deformation, such preferably; Adopt simultaneously and there is the neoprene of relatively high-compatibility as halogen donator with brombutyl, while improving phenolic resin vulcanization system curing efficiency, while heat-resisting and ageing-resistant performance excellent for neoprene is introduced gum cover, and in sulfidation, form IPN cross-linked network, improve the associativity of rubber interior molecules interchain, greatly improve the cure efficiency of phenolic resin vulcanization system, improve vulcanization characteristics and the physical and mechanical properties of gum cover simultaneously. Relatively carry out catalysed phenolic resin vulcanization reaction with the halogenide such as addition stannous chloride, iron chloride, diphenyl bromomethane in prior art, the invention solves halogenide conventional in phenolic resin vulcanization system and there is corrosivity, the shortcoming of the how perishable goods of consumption.
The ageing-resistant performance of goods can be improved by adding microwax in vulcanization of rubber gum cover, reduce the crackle that gum cover is in use formed.
Preferably, described tackifying resin is SP1068 resin, phenol red urea formaldehyde is SP1044 resin.
Preferably, described reinforcing agent is white carbon black N220, white carbon black N330 or white carbon black N375.
Preferably, described age resistor is antioxidant 2246, age resistor 1010 or antideteriorant BHT.
Preferably, described homogenizing agent is homogenizing agent D95.
Preferably, the mica powder of 1-10 weight portion is also included.
By adding mica powder in system, it is possible to use its radius-thickness ratio is high, the feature that barriering efficiency is high, improves the air-tightness of curing bag further.
The preparation method that present invention also offers above-mentioned rubber gum cover, specifically includes following steps:
(1) refining glue: preparing material according to recipe requirements, carry out mixing in the banbury that initial temperature is 90 DEG C, mixing time is 10 minutes, 130 DEG C of binder removals; In extrusion molding of extruder after parking 24 hours, prepared thickness is the film of 7-9mm;
(2) mold pressing: film is vulcanized 50 minutes on the mould that temperature is 170 DEG C;
(3) joint: sulfide film is carried out rubber joint, namely makes the rubber gum cover of finished product.
The vulcanization of rubber gum cover provided in the present invention, select the brombutyl possessing superior heat resistance and ageing-resistant performance as solvent, adopt the neoprene containing halogen as auxiliary element simultaneously, while providing halogen for phenolic resin vulcanization system, the performance of neoprene is introduced in curing bag, sulfidation is formed and passes cross-linked network mutually, reduce goods cost simultaneously, also solve phenolic resin curative in prior art simultaneously and need to add the technical problem of high pollution and corrosive halogen additive, effectively raise the air-tightness of curing bag, ageing-resistant performance, resistance to permanent deformation, such performance and thermal-oxidative aging property, the service life of curing bag is greatly improved, reduce the use cost of product.
Detailed description of the invention
Below by specific embodiment, technical scheme is described in detail, but the scope of the present invention is not restricted by the embodiments.
Comparative example
This comparative example provides a kind of vulcanization of rubber gum cover, has the raw material of following weight portion to make:
Butyl rubber 95 weight portion, chlorobutyl rubber 5 weight portion, paraffin 2 weight portion, stearic acid 2 weight portion, white carbon black N33050 weight portion, 202 phenolic resin 7 weight portions.
The performance of the curing bag of preparation is as follows: hot strength 13.6MPa, shore a hardness 75, elongation rate of tensile failure 450%, breaks permanent deformation 12%, 145 DEG C × 48h compression set 63%.
Embodiment 1
Present embodiments provide a kind of vulcanization of rubber gum cover, be made up of the raw material of following parts by weight: the brombutyl of 95 weight portions, the neoprene of 5 weight portions, the N330 of 60 weight portions, the homogenizing agent D95 of 3 weight portions, the tackifying resin S1068 of 5 weight portions, the phenolic resin S1044 of 10 weight portions, the microwax of 2 weight portions, the altax of 1 weight portion, the stearic acid of 0.5 weight portion, the magnesium oxide of 1 weight portion, 5 weight portions zinc oxide.
The preparation method that the present embodiment additionally provides above-mentioned rubber gum cover, comprises the steps:
Refining glue: get the raw materials ready according to above-mentioned formula, adding initial temperature is carry out mixing in the banbury of 90 DEG C, and mixing time is 10 minutes, 130 DEG C of binder removals, and in extrusion molding of extruder after then parking 24 hours, prepared thickness is the film of 7mm;
Mold pressing: film is vulcanized 50 minutes on the mould that temperature is 170 DEG C;
Joint: the film for rubber vulcanizated is carried out rubber joint, namely makes the rubber gum cover of finished product.
The performance of curing bag prepared by the present embodiment is as follows:
Elastomeric compound curing temperature 170 DEG C, cure time 18 minutes, park 24 hours and carry out performance test.
Performance parameter is as follows: Mooney viscosity ML(1+4) 100℃83; Hot strength 15.8MPa; Elongation at break 561%; 100% stretches 2.4MPa surely; 300% stretches 8.5MPa surely; Tearing strength 35kN/m; Shore a hardness 70; 145 DEG C × 48h compression set 38%; Aging 145 DEG C × 48h after-drawing intensity 14MPa; Elongation at break 250%; 100% stretches 6.8MPa surely; Shore a hardness 88.
Embodiment 2
Present embodiments provide a kind of vulcanization of rubber gum cover, be made up of the raw material of following parts by weight: the brombutyl of 95 weight portions, the neoprene of 5 weight portions, the white carbon black N220 of 30 weight portions, the white carbon black N330 of 30 weight portions, the homogenizing agent D95 of 3 weight portions, the tackifying resin S1068 of 2 weight portions, the phenolic resin S1044 of 7 weight portions, the microwax of 2 weight portions, the altax of 2 weight portions, the stearic acid of 0.3 weight portion, the magnesium oxide of 0.5 weight portion, 5 weight portions zinc oxide.
The preparation method that the present embodiment additionally provides above-mentioned rubber gum cover, comprises the steps:
Refining glue: get the raw materials ready according to above-mentioned formula, adding initial temperature is carry out mixing in the banbury of 90 DEG C, and mixing time is 10 minutes, 130 DEG C of binder removals, and in extrusion molding of extruder after then parking 24 hours, prepared thickness is the film of 7mm;
Mold pressing: film is vulcanized 50 minutes on the mould that temperature is 170 DEG C;
Joint: the film for rubber vulcanizated is carried out rubber joint, namely makes the rubber gum cover of finished product.
The performance of curing bag prepared by the present embodiment is as follows:
Elastomeric compound curing temperature 170 DEG C, cure time 18 minutes, park 24 hours and carry out performance test.
Mooney viscosity ML(1+4) 100℃78; Hot strength 15.2MPa; Elongation at break 542%; 100% stretches 3.4MPa surely; 300% stretches 9.5MPa surely;Tearing strength 37kN/m; Shore a hardness 79; 145 DEG C × 48h compression set 37%; Aging 145 DEG C × 48h after-drawing intensity 13.9MPa; Elongation at break 243%; 100% stretches 6.8MPa surely; Shore a hardness 83.
Embodiment 3
Present embodiments provide a kind of vulcanization of rubber gum cover, be made up of the raw material of following parts by weight: the brombutyl of 95 weight portions, the neoprene of 5 weight portions, the white carbon black N220 of 60 weight portions, the homogenizing agent D95 of 2.5 weight portions, the tackifying resin S1068 of 5 weight portions, the phenolic resin S1044 of 5 weight portions, the microwax of 1.5 weight portions, the altax of 1 weight portion, the stearic acid of 0.7 weight portion, the magnesium oxide of 2 weight portions, 5 weight portions zinc oxide.
The preparation method that the present embodiment additionally provides above-mentioned rubber gum cover, comprises the steps:
Refining glue: get the raw materials ready according to above-mentioned formula, adding initial temperature is carry out mixing in the banbury of 90 DEG C, and mixing time is 10 minutes, 130 DEG C of binder removals, and in extrusion molding of extruder after then parking 24 hours, prepared thickness is the film of 7mm;
Mold pressing: film is vulcanized 50 minutes on the mould that temperature is 170 DEG C;
Joint: the film for rubber vulcanizated is carried out rubber joint, namely makes the rubber gum cover of finished product.
The performance of curing bag prepared by the present embodiment is as follows:
Mooney viscosity ML(1+4) 100℃78; Hot strength 14.6MPa; Elongation at break 518%; 100% stretches 2.7MPa surely; 300% stretches 9.2MPa surely; Tearing strength 38kN/m; Shore a hardness 72; 145 DEG C × 48h compression set 35%; Aging 145 DEG C × 48h after-drawing intensity 13.3MPa; Elongation at break 239%; 100% stretches 6.8MPa surely; Shore a hardness 88.
Embodiment 4
Present embodiments provide a kind of vulcanization of rubber gum cover, be made up of the raw material of following parts by weight: the brombutyl of 95 weight portions, the neoprene of 5 weight portions, the white carbon black N220 of 30 weight portions, the homogenizing agent D95 of 1.5 weight portions, the tackifying resin S1068 of 4 weight portions, the phenolic resin S1044 of 10 weight portions, the microwax of 1.5 weight portions, the altax of 1 weight portion, the stearic acid of 1 weight portion, the magnesium oxide of 1 weight portion, the zinc oxide of 5 weight portions, the mica powder of 5 weight portions, 2 weight portions antioxidant 2246.
The preparation method that the present embodiment additionally provides above-mentioned rubber gum cover, comprises the steps:
Refining glue: get the raw materials ready according to above-mentioned formula, adding initial temperature is carry out mixing in the banbury of 90 DEG C, and mixing time is 10 minutes, 130 DEG C of binder removals, and in extrusion molding of extruder after then parking 24 hours, prepared thickness is the film of 9mm;
Mold pressing: film is vulcanized 50 minutes on the mould that temperature is 170 DEG C;
Joint: the film for rubber vulcanizated is carried out rubber joint, namely makes the rubber gum cover of finished product.
The performance of curing bag prepared by the present embodiment is as follows:
Mooney viscosity ML(1+4) 100℃90; Hot strength 16.6MPa; Elongation at break 497%; 100% stretches 2.9MPa surely; 300% stretches 7.8MPa surely; Tearing strength 36kN/m; Shore a hardness 81; 145 DEG C × 48h compression set 41%; Aging 145 DEG C × 48h after-drawing intensity 15.2MPa; Elongation at break 317%; 100% stretches 6.2MPa surely; Shore a hardness 85.
Embodiment 5
Present embodiments provide a kind of vulcanization of rubber gum cover, be made up of the raw material of following parts by weight: the brombutyl of 95 weight portions, the neoprene of 5 weight portions, the white carbon black N375 of 30 weight portions, the homogenizing agent D95 of 1.5 weight portions, the tackifying resin S1068 of 3 weight portions, the phenolic resin S1044 of 8 weight portions, the microwax of 2.5 weight portions, the altax of 2 weight portions, the stearic acid of 0.6 weight portion, the magnesium oxide of 2 weight portions, the zinc oxide of 3 weight portions, the mica powder of 5 weight portions, 2 weight portions age resistor 1010.
The preparation method that the present embodiment additionally provides above-mentioned rubber gum cover, comprises the steps:
Refining glue: get the raw materials ready according to above-mentioned formula, adding initial temperature is carry out mixing in the banbury of 90 DEG C, and mixing time is 10 minutes, 130 DEG C of binder removals, and in extrusion molding of extruder after then parking 24 hours, prepared thickness is the film of 8mm;
Mold pressing: film is vulcanized 50 minutes on the mould that temperature is 170 DEG C;
Joint: the film for rubber vulcanizated is carried out rubber joint, namely makes the rubber gum cover of finished product.
The performance of curing bag prepared by the present embodiment is as follows:
Mooney viscosity ML(1+4) 100℃90; Hot strength 16.4MPa; Elongation at break 448%; 100% stretches 3.5MPa surely; 300% stretches 9.2MPa surely; Tearing strength 42kN/m; Shore a hardness 83; 145 DEG C × 48h compression set 48%; Aging 145 DEG C × 48h after-drawing intensity 16.1MPa; Elongation at break 397%; 100% stretches 6.2MPa surely; Shore a hardness 88.
Embodiment 6
Present embodiments provide a kind of vulcanization of rubber gum cover, be made up of the raw material of following parts by weight: the brombutyl of 95 weight portions, the neoprene of 5 weight portions, the white carbon black N375 of 60 weight portions, the homogenizing agent D95 of 4.5 weight portions, the tackifying resin S1068 of 1 weight portion, the phenolic resin S1044 of 5 weight portions, the microwax of 1.5 weight portions, the altax of 2 weight portions, the stearic acid of 0.2 weight portion, the magnesium oxide of 1.4 weight portions, the zinc oxide of 5 weight portions, the mica powder of 5 weight portions, 2 weight portions antideteriorant BHT.
The preparation method that the present embodiment additionally provides above-mentioned rubber gum cover, comprises the steps:
Refining glue: get the raw materials ready according to above-mentioned formula, adding initial temperature is carry out mixing in the banbury of 90 DEG C, and mixing time is 10 minutes, 130 DEG C of binder removals, and in extrusion molding of extruder after then parking 24 hours, prepared thickness is the film of 7mm;
Mold pressing: film is vulcanized 50 minutes on the mould that temperature is 170 DEG C;
Joint: the film for rubber vulcanizated is carried out rubber joint, namely makes the rubber gum cover of finished product.
The performance of curing bag prepared by the present embodiment is as follows:
Mooney viscosity ML(1+4) 100℃78; Hot strength 17.6MPa; Elongation at break 531%; 100% stretches 2.6MPa surely; 300% stretches 9.5MPa surely; Tearing strength 39kN/m; Shore a hardness 79; 145 DEG C × 48h compression set 37%; Aging 145 DEG C × 48h after-drawing intensity 17MPa; Elongation at break 473%; 100% stretches 6.1MPa surely; Shore a hardness 82.
Contrast by embodiment and comparative example, can significantly find out, vulcanizate prepared by technical scheme provided by the invention he, having higher building reason machinery is while energy, ageing-resistant system can also obtain the raising replied with compression set performance, can effectively extend the service life of curing bag, reduce the cost and labour cost changed, improve production efficiency.
Claims (8)
1. a transmission band vulcanization of rubber gum cover, is made up of the raw material of following parts by weight: the brombutyl of 95 weight portions, the neoprene of 5 weight portions, the homogenizing agent of 1-5 weight portion, the tackifying resin of 1-5 weight portion, the phenol red urea formaldehyde of 5-10 weight portion, the microwax of 1-3 weight portion, the age resistor of 1-3 weight portion, the accelerator of 1-3 weight portion, the stearic acid of 0.2-1 weight portion, the magnesium oxide of 0.5-2 weight portion, 5 weight portions zinc oxide.
2. transmission band vulcanization of rubber gum cover according to claim 1, it is characterised in that: described tackifying resin is SP1068 resin, phenol red urea formaldehyde is SP1044 resin.
3. transmission band vulcanization of rubber gum cover according to claim 2, it is characterised in that: described reinforcing agent is white carbon black N220, white carbon black N330 or white carbon black N375.
4. transmission band vulcanization of rubber gum cover according to claim 3, it is characterised in that: described age resistor is antioxidant 2246, age resistor 1010 or antideteriorant BHT.
5. transmission band vulcanization of rubber gum cover according to claim 4, it is characterised in that: described homogenizing agent is homogenizing agent D95.
6. transmission band vulcanization of rubber gum cover according to claim 5, it is characterised in that: described transmission band vulcanization of rubber gum cover also includes the mica powder of 1-10 weight portion.
7. the method preparing the arbitrary described transmission band vulcanization of rubber gum cover of right 1-5, it is characterised in that the method comprises the steps:
(1) refining glue: by the brombutyl of 95 weight portions, the neoprene of 5 weight portions, the homogenizing agent of 1-5 weight portion, the tackifying resin of 1-5 weight portion, the phenol red urea formaldehyde of 5-10 weight portion, the microwax of 1-3 weight portion, the age resistor of 1-3 weight portion, the accelerator of 1-3 weight portion, the stearic acid of 0.2-1 weight portion, the magnesium oxide of 0.5-2 weight portion, 5 weight portions zinc oxide, the banbury that initial temperature is 90 DEG C carry out mixing, mixing time is 10 minutes, 130 DEG C of binder removals; In extrusion molding of extruder after parking 24 hours, prepared thickness is the film of 7-9mm;
(2) mold pressing: film is vulcanized 50 minutes on the mould that temperature is 170 DEG C;
(3) joint: sulfide film is carried out rubber joint, namely makes the rubber gum cover of finished product.
8. the method preparing the arbitrary described transmission band vulcanization of rubber gum cover of right 6, it is characterised in that the method comprises the steps:
(1) refining glue: by the brombutyl of 95 weight portions, the neoprene of 5 weight portions, the homogenizing agent of 1-5 weight portion, the tackifying resin of 1-5 weight portion, the phenol red urea formaldehyde of 5-10 weight portion, the microwax of 1-3 weight portion, the age resistor of 1-3 weight portion, the accelerator of 1-3 weight portion, the stearic acid of 0.2-1 weight portion, the magnesium oxide of 0.5-2 weight portion, the zinc oxide of 5 weight portions, 1-10 weight portion mica powder, the banbury that initial temperature is 90 DEG C carry out mixing, mixing time is 10 minutes, 130 DEG C of binder removals; In extrusion molding of extruder after parking 24 hours, prepared thickness is the film of 7-9mm;
(2) mold pressing: film is vulcanized 50 minutes on the mould that temperature is 170 DEG C;
(3) joint: sulfide film is carried out rubber joint, namely makes the rubber gum cover of finished product.
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| CN201610181321.5A CN105670146B (en) | 2016-03-25 | 2016-03-25 | A kind of transmission belt high-performance curing bag |
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| CN201610181321.5A CN105670146B (en) | 2016-03-25 | 2016-03-25 | A kind of transmission belt high-performance curing bag |
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| CN105670146B CN105670146B (en) | 2018-04-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106015442A (en) * | 2016-06-28 | 2016-10-12 | 界首市华盛塑料机械有限公司 | Engine hydraulic vibration reducing bracket |
| CN110183787A (en) * | 2019-06-11 | 2019-08-30 | 三力士股份有限公司 | A kind of V-shaped rubber belt curing bag and its production method |
| WO2023130708A1 (en) * | 2022-01-06 | 2023-07-13 | 宁国中奕橡塑有限公司 | Rubber for compressor driving disc of automobile air conditioner and preparation method therefor |
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| WO2023130708A1 (en) * | 2022-01-06 | 2023-07-13 | 宁国中奕橡塑有限公司 | Rubber for compressor driving disc of automobile air conditioner and preparation method therefor |
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| CN105670146B (en) | 2018-04-06 |
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