CN103087432A - Flame-retardant and oil-resistant marine rubber material and molding preparation method thereof - Google Patents
Flame-retardant and oil-resistant marine rubber material and molding preparation method thereof Download PDFInfo
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- CN103087432A CN103087432A CN2013100307195A CN201310030719A CN103087432A CN 103087432 A CN103087432 A CN 103087432A CN 2013100307195 A CN2013100307195 A CN 2013100307195A CN 201310030719 A CN201310030719 A CN 201310030719A CN 103087432 A CN103087432 A CN 103087432A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92923—Calibration, after-treatment or cooling zone
Abstract
The invention relates to a flame-retardant and oil-resistant marine rubber material which is composed of a raw rubber substrate, an activator, a plasticizer, carbon black, a flame retardant, a filler, a vulcanizer, a vulcanization accelerator, a protectant and a processing aid, wherein the raw rubber substrate is a comixture of CSM (Chlorosulfonated Polyethylene) and NBR (Nitrile Butadiene Rubber); and the vulcanizer is a mixture of HVA-2 and sulfur. During the molding process, a thinning-passing treatment is respectively conducted on the granular CSM and the granular NBR; then, all the components are sequentially added into the CSM and the NBR according to proportion by utilizing an open miller or an internal mixer so as to be evenly mixed and subjected to standing; a rubber compound is added into a single screw extruder to extrude the rubber material continuously; and the rubber material is molded in hot air of 180 to 220 DEG C or in a micro wave vulcanizing manner. The prepared rubber material is applied to rubber products on oil product transport marines, and has an excellent oil-resistant performance and a good flame-retardant performance.
Description
Technical field
The present invention relates to a kind of rubber item that is applied on the oil product transport-ship, be specifically related to a kind of elastomeric material peculiar to vessel and molding method for preparing thereof of fire-retardant, oil resistant.
Background technology
Chlorosulfonated polyethylene rubber (CSM) is that introducing massfraction is that the chlorine of 23-47% and a small amount of chlorosulfonyl (1-1.7%) are made take polyethylene as the basis.Have certain elasticity and flame retardant resistance because the introducing of chlorine makes the macromolecular crystallinity of CSM reduce, the polarity of chlorine is given again CSM oil-proofness preferably simultaneously; Chlorosulfonyl (SClO
2) be a kind of reactive functional group that is rich in, the active cross-linking set of CSM is given in its introducing.Because the macromolecular main chain of CSM is saturated, thus with other alkadiene rubber phase ratio, it has excellent anti-weather performance, thermotolerance and ozone resistance, mainly for the manufacture of oil resisting rubber hose, fire retarding conveying band and sealing article and electric wire etc.
Along with the development of every profession and trade technology, the CSM cross-linked rubber is also had higher requirement, as require to improve its oil resistance and flame retardant properties etc.The oil resistance of CSM roughly is equal to chloroprene rubber (CR), and is suitable with the NBR of low acrylonitrile content.In CSM and in using, high acrylonitrile NBR can obviously improve oil resistance and the resistance to low temperature of CSM.Meng Xiande etc. have observed the morphological structure of CSM/NBR blend by transmission electron microscope (TEM) in " structure of NBR/CSM blend and performance ", find that CSM/NBR is the 40/60(mass ratio) time blend generation phase reversion.Chen Kun Shengs etc. have been studied CSM/NBR and have been used than multiple Synergist S-421 95s such as, sulphur dosage, carbon blacks on CSM/NBR and with the impact of colloidality energy in " formula factors is on NBR/CSM and with the impact of glue physicals ".Adding fire retardant in CSM is a kind of effective ways that strengthen its flame retardant properties.Li Jingwu has prepared the cable jacket material with good physical mechanical property and flame retardant properties by add the oxyhydroxide fire retardant in CSM in " retardant cable of locomotives low smoke and low halogen CSM rubber jacking ", end properties can satisfy the demand of technical standard of UIC895 and 502 (1994).
CSM has multiple crosslinking method, adopt the yellow lead oxide vulcanization system can make the cross-linked rubber of over-all properties the best, Jin Wanxiang has studied the application of plumbous oxide in CSM in more detail in " impact of the cooperation of plumbous oxide vulcanization system on the chlorosulfonated polyethylene rubber performance ", but lead-containing compounds is because its hypertoxicity will more and more be abandoned.And magnesium oxide is relative with oil resistance with the water tolerance of tetramethylolmethane cross-linking system relatively poor.The bismaleimides cross-linking system is because the carbon-carbon bond of its unique structure and crosslinked rear formation can be given the good thermotolerance of CSM and fabulous incompressible deformation performance.Wang Qiaofu introduces the unleaded vulcanization system of CSM in " the unleaded sulfuration of chlorosulfonated polyethylene rubber ", be mainly tetramethylolmethane, bismaleimides, staybelite, epoxy resin and peroxide vulcanizing system etc., wherein the compression set of bismaleimides obviously is better than other several vulcanization systems.The unsaturated double-bond that while bismaleimide amine crosslinker also can participate in the crosslinking acrylonitrile butadiene macromolecular chain promotes cross-linking density.Liu Zuguang proof HVA-2 in " N, the application of penylene bismaleimides in the common sulfur sulfide system of natural rubber between N-" plays a part to add strong cross-linking in the common sulfur sulfide system of unsaturated double-bond.CSM/NBR and use glue form Co-crosslinked System to a certain extent under the effect of bismaleimide amine crosslinker, help to promote thermostability, oil resistance and the flame retardant properties of elastomeric material.
As the rubber item that is applied on the oil product transport-ship, require this material have excellent oil-proofness and have good flame retardant properties.Simultaneously, in use its outside atmosphere is comparatively harsh for this elastomeric material; In actual applications, cause the external environmental factor of material aging of the present invention to mainly contain multiple oils, salt solution, ozone, ultraviolet ray, quiet dynamic load etc.For strengthening the ageing-resistant performance of this elastomeric material, extend its work-ing life, the present invention has also added the protective agents such as reactive anti-deteriorant and ultraviolet-resistant absorbent in elastomeric material.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, provide a kind of not only fire-retardant but also multiple oil is presented stable elastomeric material peculiar to vessel and molding method for preparing thereof, its goods can be applicable on the oil product transport-ship.
The object of the present invention is achieved like this:
A kind of elastomeric material peculiar to vessel of fire-retardant, oil resistant, it forms and mass fraction is:
100 parts of rubber matrixes
Activator 1-10 part
Softening agent 20-40 part
Carbon black 20-50 part
Fire retardant 20-50 part
Weighting agent 10-50 part
Vulcanizing agent 2-4 part
Vulcanization accelerator 1-3 part
Protective agent 2-5 part
Processing aid 2-5 part
Wherein, the rubber matrix is the blend of chlorosulfonated polyethylene rubber CSM and paracril NBR, and the mass ratio of CSM and NBR is 60:40 ~ 80:20.
As preferred version, in the CSM that adopts in the present invention, the massfraction of chlorine is about 35%, and the massfraction of chlorosulfonyl is about 1.5%.
The NBR that the present invention adopts is the NBR of middle high acrylonitrile content, and wherein the content of vinyl cyanide is at 33-41%.
The NBR of CSM and middle high acrylonitrile content has close solubility parameter, and the used time can reach mechanical compatible even thermodynamic compatibility preferably.Wherein the mass ratio of CSM and NBR is 60:40 ~ 80:20, makes the saturated CSM of main chain be in external phase in blend, to guarantee the anti-weather of this invention material excellence.
Softening agent of the present invention is liquid chlorinated paraffin.Appropriate softening agent can guarantee the processing characteristics of elastomeric material, reduces simultaneously the hardness of material; But add intensity and flame retardant properties that softening agent can reduce elastomeric material, and produce the huge amount of being fuming during burning.Cl content is liquid state at the clorafin of 50% left and right, is comparatively suitable flame retardant type softening agent.
Half reinforcement super-normal structure black N550 or the SP5000 that the preferred Cabot Co.,Ltd of the present invention adopts carbon black produces, the particle diameter of carbon black used is 40-100nm.Adding of carbon black is conducive to improve the processing characteristics of unvulcanized rubber material and the intensity of lifting elastomeric material; And the charring when appropriate carbon black helps lend some impetus to burning is conducive to the lifting of flame retardant properties.
It is one or more in the inert fillers such as white carbon black, barium sulfate, talcum powder, potter's clay that the present invention adopts weighting agent.The volume fraction that reduces rubber in sizing material can improve oil-proofness and flame retardant resistance.
Described activator is activator commonly used, can adopt in zinc oxide, stearic acid one or both and use.
The fire retardant that the present invention adopts is halide-containing and antimonous oxide, and the composite antimonous oxide of the halogen in CSM, decabromodiphenyl oxide or clorafin helps to form halogen-antimony highly effective flame-retardant system, reaches good flame retardant effect.
Described vulcanizing agent is N, the mixture of a N '-penylene bismaleimides (HVA-2) and Sulfur, and wherein the mass fraction of HVA-2 is the 2.5-3.5% of CSM; The mass fraction of Sulfur is the 0.5-1.5% of NBR.With HVA-2, the Sulfur main vulcanizing agent as CSM and NBR, form simultaneously co-crosslinking to a certain degree respectively.
The vulcanization accelerator that the present invention adopts is rubber promotor commonly used, and as being: one or more in 2-benzothiazolyl mercaptan (M), dithio-bis-benzothiazole (DM), zinc dibutyl dithiocarbamate (BZ), bis-pentamethylenethiuram tetrasulfide (DPTT), tetramethyl-thiuram disulfide (TMTD) or N-cyclohexyl-2-[4-morpholinodithio base sulphenamide (CZ) are also used.
The protective agent that the present invention adopts is one or more and the use in UV light absorber (AUI), reactive anti-deteriorant N-(4-anilino phenyl) maleimide (MC), paraffin, Microcrystalline Wax and other rubber anti-aging agent commonly used.Contain in reactive anti-deteriorant and can react and can suppress with rubber macromolecule the active group of ageing of rubber; This class anti-aging agent in sulfidation with chemical bonding in the rubber macromolecule network, have advantages of non-migrating, non-volatile and do not extract out.The CSM rubber product generally need not add UV light absorber especially, but in the applied environment of harshness, can suitably add the benzophenone material as UV light absorber.
The processing aid that the present invention adopts is polyoxyethylene glycol, low molecular polyethylene or commercially available multi-functional processing aid RF-70, RL-20 etc., and appropriate processing aid not only can improve the dispersiveness of sizing material, can also improve the roll banding characteristic of CSM sizing material simultaneously.
By coordinate the multiple additives such as carbon black, softening agent, fire retardant, vulcanization accelerator, vulcanizing agent and anti-aging agent in the blend of chlorosulfonated polyethylene rubber and paracril, prepare finally that a kind of physical and mechanical properties and anti-weather are well behaved presents stable fire-retardant rubber material to multiple oil.
A kind of molding method for preparing of elastomeric material peculiar to vessel of fire-retardant, oil resistant, first with granular chlorosulfonated polyethylene rubber (CSM) and each thin-pass of paracril (NBR) 5-10 all over after mix; Then use mill or Banbury mixer that rubber matrix, carbon black, softening agent, fire retardant, vulcanization accelerator, vulcanizing agent are added in proportion successively and mix and park 24 hours, mixing total time was controlled in 30 minutes.Rubber unvulcanizate is added in single screw extrusion machine, control the temperature of head, fuselage, the shape of the mouth as one speaks and charging bole at 60-90 ℃, the rotating speed of screw rod extrudes sizing material in 20-30r/min continuously, and in 180-220 ℃ of warm air or with microwave (915-2450MHz) sulfidization molding.
Compared with prior art, the invention has the beneficial effects as follows:
This material presents stability to multiple oils, be applied in the rubber item on the oil product transport-ship, have excellent oil-proofness and have good flame retardant properties, this elastomeric material has fabulous UV resistant and ozone resistance simultaneously, ageing-resistant performance is strong, long service life.
Embodiment
The present invention will be further described below by embodiment, but not as limitation of the present invention.
Embodiment 1
Each component and mass fraction are: the trade mark that Lianyun Harbour Jin Taida company produces is 3695 granular CSM, 60 parts; The paracril N230S that Japan JSR company produces, 40 parts; Carbon black N550,25 parts; 50,30 parts of clorafins; Decabromodiphenyl oxide, 20 parts; Antimonous oxide, 20 parts; Barium sulfate, 10 parts; Zinc oxide, 1.5 parts; Stearic acid, 1 part; Anti-aging agent RD, 1.5 parts; Reactive antioxidant MC, 1.5; Antioxidant NBC, 0.8 part; Microcrystalline Wax, 2 parts; UV light absorber, 2 parts; Each 1.5 parts of the processing aid RL-20 that Jinchang, Guangzhou Sheng Science and Technology Ltd. produces and RF-70; Accelerant CZ, 0.4 part; Vulcanization accelerator TMTD, 0.2 part; Sulfur, 0.3 part; HVA-2,2 parts.
The preparation technology of embodiment 1 is: first granular chlorosulfonated polyethylene rubber and paracril are being blended into evenly with after minimum roll spacing bag roller thin-pass 10 times respectively on 16 cun opening rubber mixing machines; Then feed in raw material after being enlarged to suitable roll spacing, again carbon black, softening agent, fire retardant, weighting agent, vulcanization accelerator, vulcanizing agent etc. are joined in proportion successively in opening rubber mixing machine mixing even, the roller temperature control is at 40-60 ℃, refining is controlled at about 30 minutes the glue time, mixingly parks 24 hours after evenly.Rubber unvulcanizate after parking is added in single screw extrusion machine, and controlling temperature, to make head be 70 ℃, and fuselage is 60 ℃, and shape of the mouth as one speaks temperature is 90 ℃, and the rotating speed of screw rod is 30 r/min, and sizing material is extruded continuously, and in 220 ℃ of warm airs sulfidization molding.
Embodiment2
Each component and mass fraction are: the CSM40 that domestic Ji Hua company produces, 80 parts; The paracril N220S that Japan JSR company produces, 20 parts; Carbon black SP5000,30 parts; Clorafin 50(is liquid, softening agent), 30 parts; Clorafin 70(is solid-state, fire retardant), 30 parts; Potter's clay, 10 parts; Antimonous oxide, 15 parts; Zinc oxide, 1 part; Stearic acid, 1 part; Anti-aging agent RD, 1 part; Reactive antioxidant MC, 1 part; Antioxidant A W, 1 part; Microcrystalline Wax, 1 part; UV light absorber, 2 parts; Each 1.5 parts of the processing aid RL-20 that Jinchang, Guangzhou Sheng Science and Technology Ltd. produces and RF-70; Accelerant CZ, 0.5 part; Vulkacit D PTT, 0.4 part; Sulfur, 0.3 part; HVA-2,2.5 parts.
The preparation technology of embodiment 2 is: on 16 cun opening rubber mixing machines first with CSM and NBR respectively with each thin-pass of minimum roll spacing 10 times; Then rubber, carbon black, softening agent, protective agent etc. are joined in proportion successively in internal rubber mixer mixing evenly, 70 ℃ of binder removals, the refining glue time was controlled at about 30 minutes; Mixing rubber unvulcanizate being moved to after evenly adds vulcanization accelerator and Sulfur to mixing even and parked 24 hours on opening rubber mixing machine.Rubber unvulcanizate after parking is added in single screw extrusion machine, and it is 70 ℃ that the control temperature makes head, and fuselage is 70 ℃, and shape of the mouth as one speaks temperature is 80 ℃, and the rotating speed of screw rod is 25r/min, and sizing material is extruded continuously, and selects the microwave vulcanization moulding of 2200MHz.
Comparative Examples1
Repeat the optimization of C/C composites in " formula factors is also used the impact of glue physicals to NBR/CSM " such as Chen Kun Sheng.Fill a prescription composed as follows: the CSM40 that domestic Ji Hua company produces, 60 parts; The paracril N230S of the middle acrylonitrile content that Japan JSR company produces, 40 parts; Zinc oxide, 2.5 parts; Stearic acid, 1.5 parts; Carbon black N550,55 parts; 50,10 parts of clorafins; Antioxidant MB, 1 part; Vulcanization accelerator TMTD, 0.5 part; Accelerant CZ, 0.9 part; Sulfur, 1 part.
The preparation technology of Comparative Examples 1: first the addition of C SM and NBR are added in the 3L Banbury mixer, be mixed under 80 ℃ and be uniformly dispersed, be down to subsequently normal temperature, add successively in proportion again carbon black, softening agent, protective agent etc. to join successively in proportion in internal rubber mixer mixing even, 70 ℃ of binder removals, the refining glue time was controlled at about 30 minutes; Mixing evenly after with rubber unvulcanizate move to add on opening rubber mixing machine vulcanization accelerator to mixing evenly and parked 24 hours.Under 150 ℃ of conditions, vulcanize in vulcanizing press, pressure selection 10MPa, the time is 20 minutes, namely obtains the test piece of 2 mm thick.
Comparative Examples2
Repeat the embodiment 1 that CN101759940A announces.Each material is composed as follows: the CSM3695 that Lianyun Harbour Jin Taida company produces, 100 parts; Magnesium oxide, 5 parts; Stearic acid, 0.8; Carbon black N550,40 parts; Light calcium carbonate, 35 parts; 20,10 parts of dioctyl esters; Epoxy resin, 18; Antioxidant A, 1.5 parts, flow promotor FL, 3 parts; Vulkacit D PTT, 1 part; Altax, 1.5 parts; HVA-2,2 parts.
The preparation technology of Comparative Examples 2 is with Comparative Examples 1.
The sample of embodiment and Comparative Examples is tested, and data see Table 1.
The test data of table 1 embodiment and Comparative Examples:
* 1 crude oil is the Type Aasgaard lightweight oil in oil field, the Norway North Sea;
* the aromatic hydrocarbons massfraction in 2 aromatic hydrocarbons process operation oil is about 23%.
Claims (10)
1. the elastomeric material peculiar to vessel of fire-retardant a, oil resistant, it is characterized in that: it forms and mass fraction is:
100 parts of rubber matrixes
Activator 1-10 part
Softening agent 20-40 part
Carbon black 20-50 part
Fire retardant 20-50 part
Weighting agent 10-50 part
Vulcanizing agent 2-4 part
Vulcanization accelerator 1-3 part
Protective agent 2-5 part
Processing aid 2-5 part
Wherein, the rubber matrix is the blend of chlorosulfonated polyethylene rubber CSM and paracril NBR, and the mass ratio of CSM and NBR is 60:40 ~ 80:20;
Described vulcanizing agent is N, the mixture of a N '-penylene bismaleimides (HVA-2) and Sulfur.
2. the elastomeric material peculiar to vessel of a kind of fire-retardant, oil resistant according to claim 1, is characterized in that, in described vulcanizing agent, the mass fraction of HVA-2 is the 2.5-3.5% of CSM; The mass fraction of Sulfur is the 0.5-1.5% of NBR.
3. the elastomeric material peculiar to vessel of a kind of fire-retardant, oil resistant according to claim 1, is characterized in that, the softening agent of employing is a kind of in liquid chlorinated paraffin or triphenylphosphate or and uses.
4. the elastomeric material peculiar to vessel of a kind of fire-retardant, oil resistant according to claim 1, is characterized in that, described carbon black is half reinforcement super-normal structure black, and its particle diameter is 40-100nm.
5. the elastomeric material peculiar to vessel of a kind of fire-retardant, oil resistant according to claim 1, is characterized in that, described fire retardant is the halogen that forms of halide-containing and antimonous oxide-antimony flame-retardant system.
6. the elastomeric material peculiar to vessel of a kind of fire-retardant, oil resistant according to claim 1, is characterized in that, described weighting agent is one or more in white carbon black, barium sulfate, talcum powder, potter's clay; Described vulcanization accelerator is one or more in 2-benzothiazolyl mercaptan, dithio-bis-benzothiazole, zinc dibutyl dithiocarbamate, bis-pentamethylenethiuram tetrasulfide, tetramethyl-thiuram disulfide or N-cyclohexyl-2-[4-morpholinodithio base sulphenamide and uses.
7. the elastomeric material peculiar to vessel of a kind of fire-retardant, oil resistant according to claim 1, it is characterized in that, described protective agent is UV light absorber, reactive anti-deteriorant N-(4-anilino phenyl) maleimide, 2,2,4-trimethylammonium-1,2-dihyaroquinoline polymer, 6-oxyethyl group-2,2,4-trimethylammonium-1,2-dihyaroquinoline, N, one or more in N-nickel dibutyl dithiocarbamate, paraffin and Microcrystalline Wax are also used.
8. the elastomeric material peculiar to vessel of a kind of fire-retardant, oil resistant according to claim 1, is characterized in that, in described CSM, the massfraction of chlorine is 35-43%, and the massfraction of chlorosulfonyl is 1-1.7%.
9. the elastomeric material peculiar to vessel of a kind of fire-retardant, oil resistant according to claim 1, is characterized in that, described NBR is the NBR of middle high acrylonitrile content, and wherein the content of vinyl cyanide is at 33-41%.
10. the molding method for preparing of the elastomeric material peculiar to vessel of fire-retardant a, oil resistant, is characterized in that, is ready to material by claim 1, first with granular chlorosulfonated polyethylene rubber and each thin-pass of paracril 5-10 all over after mix; Then use mill or Banbury mixer with rubber matrix, processing aid, activator, carbon black, weighting agent, softening agent, fire retardant, protective agent, vulcanization accelerator, vulcanizing agent etc. add successively in proportion mixing evenly and park, be controlled at mixing total time in 30 minutes; Rubber unvulcanizate is added in single screw extrusion machine, control the temperature of head, fuselage, the shape of the mouth as one speaks and charging bole at 60-90 ℃, the rotating speed of screw rod extrudes sizing material in 20-30r/min continuously, and in 180-220 ℃ of warm air or use the microwave vulcanization moulding.
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| CN103421252A (en) * | 2013-08-29 | 2013-12-04 | 滁州旭中化工有限公司 | Composite rubber material |
| CN103421252B (en) * | 2013-08-29 | 2016-01-13 | 滁州旭中化工有限公司 | A kind of composite rubber material |
| CN104877194A (en) * | 2014-02-28 | 2015-09-02 | 上海梅山钢铁股份有限公司 | Rubber drying roller surface material and drying roller making method |
| CN103804809A (en) * | 2014-03-13 | 2014-05-21 | 苏州市相城区明达复合材料厂 | Antibacterial rubber pad |
| CN104151727A (en) * | 2014-07-25 | 2014-11-19 | 安徽江淮电缆集团有限公司 | Low-smoke low-halogen flame-retardant water-resistant chlorosulfonated polyethylene sheath rubber formula for locomotive vehicles |
| CN104650476A (en) * | 2015-01-27 | 2015-05-27 | 安徽德源电缆集团有限公司 | Modified sheath material for cables |
| CN106205826A (en) * | 2016-08-30 | 2016-12-07 | 杨昆 | A kind of meteorological balloon cable |
| CN106205826B (en) * | 2016-08-30 | 2018-07-06 | 杨昆 | A kind of meteorological balloon cable |
| CN106397880A (en) * | 2016-09-13 | 2017-02-15 | 沈阳化工大学 | Preparation method of high-temperature-resistant and wear-resistant NBR lining board |
| CN106832626A (en) * | 2017-01-12 | 2017-06-13 | 南京利德东方橡塑科技有限公司 | A kind of high durable type nitrile rubber/CSM composition |
| CN107245905A (en) * | 2017-06-22 | 2017-10-13 | 合肥励仙电力工程有限公司 | A kind of anti-flammability corrugated cardboard material and preparation method thereof |
| CN114196084A (en) * | 2021-12-31 | 2022-03-18 | 厦门富士特橡塑有限公司 | Nitrile rubber-chlorosulfonated polyethylene rubber and preparation method thereof |
| CN114196084B (en) * | 2021-12-31 | 2023-10-10 | 厦门富士特橡塑有限公司 | Nitrile rubber-chlorosulfonated polyethylene rubber and preparation method thereof |
| CN116574339A (en) * | 2023-06-02 | 2023-08-11 | 广州市明兴电缆有限公司 | Flame-retardant corrosion-resistant cable sheath material and preparation method thereof |
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