CN103435869B - A kind of light NBR/PVC oil-resistant rubber material of high acrylonitrile content - Google Patents
A kind of light NBR/PVC oil-resistant rubber material of high acrylonitrile content Download PDFInfo
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Abstract
A kind of light NBR/PVC oil-resistant rubber material of high acrylonitrile content, relate to a kind of elastomeric material, comprise the NBR of 70 mass parts, the PVC of 30 mass parts, the precipitated silica of 25 ~ 35 mass parts, the weighting agent of 50 ~ 80 mass parts, the softening agent of 40 ~ 50 mass parts, the anti-aging agent of 1.5 ~ 2.0 mass parts, the tinting material of 1.5 ~ 2.5 mass parts, the vulcanizing agent of 0.5 ~ 3.0 mass parts, the promotor of 1.5 ~ 3.5 mass parts, the stablizer of 1.5 ~ 2.0 mass parts, other rubber processing aids is as vulcanization leveller, polar additive totally 9.5 mass parts.The light NBR/PVC oil-resistant rubber material oil-proofness of this high acrylonitrile content is good, can be used for requiring harsh place to oil-proofness.Be widely used at fuel hose, electric wire and cable jacket, printing rubber roll, sealing article, the especially industry such as automotive sealant, component.
Description
Technical field
The present invention relates to a kind of elastomeric material, particularly relate to a kind of light NBR/PVC oil-resistant rubber material of high acrylonitrile content.
Background technology
Paracril (NBR) has excellent oil-proofness, thermotolerance and physical and mechanical properties, but its ozone-resistant aging property is poor; General synthetic resin polyvinyl chloride (PVC) then has excellent flame retardant resistance, self-extinguishing and resistance to ozone ageing, chemical resistance, electrical insulating property, chemical stability and thermoplasticity, but its toughness is low, and not shock-resistant, resistance toheat is poor.By the blended matrix material made of NBR and PVC, combine both performance advantages, compensate for respective defect, becoming a kind of important Novel rubber plastic composite, is also the pioneer of rubber and plastic.NBR and PVC is all polar polymer, and the two solubility parameter is close, and consistency is very good, can arbitrary proportion blending, therefore both can strengthen and modification NBR with PVC, also can carry out toughness reinforcing to PVC with NBR.The blended blended vulcanizate made of NBR and PVC has been the main glue kind of current rubber and plastic, and this blended vulcanizate has good physical and mechanical properties.NBR/PVC thermoplastic elastomer, because of the characteristic such as plasticity-, weathering resistance, chemical proofing of elasticity, oil-proofness and PVC having NBR and give prominence to, is widely used in fuel hose, electric wire and cable jacket, printing rubber roll, sealing article, especially automobile component etc.The manufacture of light-colour rubber goods is gordian techniquies.Light-colour rubber goods can expand the scope of application of elastomeric material greatly, can be combined with white and other light building materials or product.
Have part document and patent to report about NBR/PVC Blend rubber, such as patent CN102993500A describes blended rubber-plastics material of a kind of NBR/PVC and preparation method thereof, obtains ozon, that oil-proofness is good Blend rubber.Although NBR and PVC Blend rubber has had certain research, but it is very few for light NBR/PVC research, about the synthetic study rarely seen report especially of the light NBR/PVC oil resistance of high acrylonitrile content, so to the research of the light NBR/PVC blended rubber material of high acrylonitrile content highly significant.
Summary of the invention
The object of the present invention is to provide a kind of light NBR/PVC oil-resistant rubber material of high acrylonitrile content, this material obtains good oil-proofness by using the paracril of high acrylonitrile content, add different tinting materials, obtain brightly painted cross-linked rubber, elastomeric material is made to have chromatic colour, be suitable for making the products such as light oil resisting rubber hose, expand the use range of rubber product.
The object of the invention is to be achieved through the following technical solutions:
A kind of light NBR/PVC oil-resistant rubber material of high acrylonitrile content, described material comprises the NBR of 70 mass parts, the PVC of 30 mass parts, the precipitated silica of 25 ~ 35 mass parts, the weighting agent of 50 ~ 80 mass parts, the softening agent of 40 ~ 50 mass parts, the anti-aging agent of 1.5 ~ 2.0 mass parts, the tinting material of 1.5 ~ 2.5 mass parts, the vulcanizing agent of 0.5 ~ 3.0 mass parts, the promotor of 1.5 ~ 3.5 mass parts, the stablizer of 1.5 ~ 2.0 mass parts, other rubber processing aids is as vulcanization leveller, polar additive totally 9.5 mass parts.
The light NBR/PVC oil-resistant rubber material of described a kind of high acrylonitrile content, described tinting material is BASF GFNP, phthalocyanine blue, BASF 1030P, BASF WGP make cross-linked rubber have distinct colors.
The light NBR/PVC oil-resistant rubber material of described a kind of high acrylonitrile content, described filler is talcum powder or light calcium carbonate.
The light NBR/PVC oil-resistant rubber material of described a kind of high acrylonitrile content, described anti-aging agent is four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester (antioxidant 1010), one or more of 2,2 ＇-methylene-bis (4-methyl-6-butylphenol) (antioxidant 2246).
The light NBR/PVC oil-resistant rubber material of described a kind of high acrylonitrile content, described softening agent is dioctyl phthalate (DOP) (DOP), and cold resistant plasticizer is 3G8.
The light NBR/PVC oil-resistant rubber material of described a kind of high acrylonitrile content, described vulcanizing agent is Sulfur, dicumyl peroxide (DCP), and vulcanization accelerator is one or more of TMTD, CZ, DM, M.
The light NBR/PVC oil-resistant rubber material of described a kind of high acrylonitrile content, described stablizer is barium zinc composite stabilizer.
Advantage of the present invention and effect are:
Rubber-plasitcs blend modification is a kind of easy, rapid, the inexpensive effective ways obtaining type material.The thermoplastic elastomer of the blended preparation of NBR and PVC had both had NBR outstanding cross-linked rubber elasticity, oil-proofness, have again the characteristics such as the plasticity-of PVC, weathering resistance, chemicals-resistant concurrently, therefore, be widely used at fuel hose, electric wire and cable jacket, printing rubber roll, sealing article, the especially industry such as automotive sealant, component.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
The 4065 type paracrils that the paracril that the present invention uses is produced for Russia, tinting material used is the phthalocyanine blue that German BASF is produced, BASF GFNP, BASF 1030P, BASF WGP, the sulphur that the vulcanizing agent that the present invention uses is produced for Shenyang Shen Jin Correspondent Chemical Co., Ltd., the dicumyl peroxide (DCP) that Xin Xi chemical reagent work of Shenyang City produces, the vulcanization accelerator that the present invention uses can be tetramethyl-thiuram disulfide (TMTD), 2-thiol benzothiazole (M), 2, 2 ＇-dithio-bis-benzothiazole (DM), N-cyclohexyl-2-benzothiazole sulfonamide (CZ) is used alone, or this several promotor two kinds or this two or more combination, the TMTD that the vulcanization accelerator that the present invention uses has Guangzhou Dong Xin Chemical Co., Ltd. to produce, M and DM that Yixing City Hong Yuan Fine Chemical Co., Ltd produces, the CZ that Huangyan, Zhejiang East Zhejiang province rubber ingredients company limited produces.Softening agent is dioctyl phthalate (DOP) and the 3G8 of the production of Guangzhou Zhong Ye Chemical Co., Ltd., the antioxidant 2246 of the solid paraffin that the anti-aging agent that the present invention uses is produced for Zhengzhou Song Tai Chemicals company limited and the production of Shijiazhuang Heng Xin Chemical Co., Ltd., 1010 etc., stablizer is the one package stabilizer that Ninghai Qing Feng Chemical Co., Ltd. produces, the packing strengthening agent that the present invention uses comprises the precipitated silica that Tonghua Shuan Long Chemical Co., Ltd. produces, the superfine talcum powder that the sincere fine order stone flour factory of Haicheng City produces, the light calcium carbonate that Pingding County Niangzi Guan Taihang fine particle calcium carbonate company produces.
The stearic acid that the vulcanization leveller that the present invention uses is produced for Dalian Yin Dong Chemical Co., Ltd. and the zinc oxide that zinc oxide factory of Huludao City produces, polar additive is the PEG2000 of chemical industry stock company of group of Huaxing production.
The test of the light NBR/PVC oil resisting rubber of high acrylonitrile content of the present invention is tensile property test, and hardness test, thermal aging property is tested, and oil resistance is tested.Tensile property is undertaken by GB/T528-1998, and hardness is undertaken by GB/T531-1999, and hot air aging is undertaken by GB/T3512-2001, and oil resistance is undertaken by GB/T1690-92.
The present invention's plant and instrument used comprises the XK-160 type opening rubber mixing machine and XLB-DQ400 × 400 × 2E type title vulcanizing press that Huanqiu Machinery Co., Ltd., Qingdao produces, the GT-M2000-A type rubber that Taiwan high ferro Science and Technology Co., Ltd. produces is without rotor vulkameter and the climatic chamber of GT-7017-M type, the RGL-30A type electronic tensile test machine that Rui Geer Instrument Ltd. of Shenzhen produces, the XHS type Shao Er sclerometer that Yingkou Material Test Maching Factory produces, the CP-25 sheet-punching machine that Shanghai chemical machinery four factory produces, the CH – 10 high-speed mixing stirrer that Beijing plastic cement instrument plant produces.
Embodiment 1:
The light NBR/PVC oil-resistant rubber material of the high acrylonitrile content described in the present embodiment is made up of NBR, PVC, packing strengthening agent, softening agent, anti-aging agent, tinting material, vulcanizing agent, stablizer and other rubber processing aids.
The present embodiment comprises 70 parts of NBR, 30 parts of PVC, 30 parts of white carbon blacks, 50 parts of talcum powder, 20 parts of DOP, 25 parts of 3G8,2.0 parts of antioxidant 1010s, 1.8 parts of tinting materials, 0.8 part of Sulfur, 1.5 parts of CZ, 1.5 parts of DM, 1.6 parts of stablizers, 2.0 parts of paraffin, 5.0 parts of zinc oxide, 1.5 parts of stearic acid, 3.0 parts of PEG2000.
The preparation method of the light NBR/PVC oil-resistant rubber material of high acrylonitrile content of the present invention is mechanical blending method, and concrete steps are as follows:
(1) NBR/PVC is blended: PVC, softening agent, stablizer etc. are carried out preplasticizing in high-speed mixing stirrer, and plasticate evenly in two roller mill (130 ~ 140 DEG C), then add the paracril of plasticating, after blended certain hour, compressing tablet is for subsequent use.
(2) rubber compounding: sizing material is mixing on a mill until, NBR/PVC Blend rubber is placed on mill two roller, add oxidation inhibitor, polar additive successively, mixing evenly after once add filler, white carbon black, further mixing evenly after add softening agent, mixing evenly after add tinting material, then add paraffin, finally add vulcanizing agent.Rubber unvulcanizate is packed 10 times afterwards, mixes bottom sheet, park 24 hours stand-by.
(3) test piece sulfuration: carry out sulfuration on vulcanizing press, cure conditions is 165 DEG C.
The test of the light NBR/PVC oil resisting rubber of high acrylonitrile content of the present invention is tensile property test, and hardness test, thermal aging property is tested, and oil resistance is tested.Tensile property is undertaken by GB/T528-1998, and hardness is undertaken by GB/T531-1999, and hot air aging is undertaken by GB/T3512-2001, and oil resistance is undertaken by GB/T1690-92.
The light NBR/PVC oil resisting rubber mechanical experimental results of the present embodiment gained high acrylonitrile content is in table 1, and oil-proofness test result is in table 4.
Embodiment 2:
The constituent of the present embodiment and the constituent of embodiment 1 basically identical, difference is use 1.2 parts of Sulfurs, 1.2 parts of CZ, and 0.5 part of TMTD substitutes 0.8 part of Sulfur, 1.5 parts of CZ, 1.5 parts of DM.
The light NBR/PVC oil resisting rubber the performance test results of the present embodiment gained high acrylonitrile content is in table 1, and oil resistance the results are shown in Table 4.
Embodiment 3:
The constituent of the present embodiment and the constituent of embodiment 1 basically identical, difference is use 1.5 parts of Sulfurs, 1.5 parts of DM, and 0.5 part of TMTD substitutes 0.8 part of Sulfur, 1.5 parts of CZ, 1.5 parts of DM.
The light NBR/PVC oil resisting rubber the performance test results of the present embodiment gained high acrylonitrile content is in table 1, and oil resistance the results are shown in Table 4.
Embodiment 4:
The constituent of the present embodiment and the constituent of embodiment 1 basically identical, difference is use 0.5 part of Sulfur, 1.0 parts of CZ, and 0.5 part of TMTD substitutes 0.8 part of Sulfur, 1.5 parts of CZ, 1.5 parts of DM.
The light NBR/PVC oil resisting rubber the performance test results of the present embodiment gained high acrylonitrile content is in table 1, and oil resistance the results are shown in Table 4.
Embodiment 5:
The constituent of the present embodiment and the constituent of embodiment 1 basically identical, difference be that use 2.0 parts of DCP substitute 0.8 part of Sulfur, 1.5 parts of CZ, 1.5 parts of DM, do not use zinc oxide and stearic acid.
The light NBR/PVC oil resisting rubber the performance test results of the present embodiment gained high acrylonitrile content is in table 1, and oil resistance the results are shown in Table 4.
Embodiment 6:
The constituent of the present embodiment and the constituent of embodiment 5 basically identical, difference be that use 1.6 parts of DCP substitute 2.0 parts of DCP.
The light NBR/PVC oil resisting rubber the performance test results of the present embodiment gained high acrylonitrile content is in table 2, and oil resistance the results are shown in Table 5.
Embodiment 7:
The constituent of the present embodiment and the constituent of embodiment 5 basically identical, difference be that use 1.8 parts of DCP substitute 2.0 parts of DCP.
The light NBR/PVC oil resisting rubber the performance test results of the present embodiment gained high acrylonitrile content is in table 2, and oil resistance the results are shown in Table 5.
Embodiment 8:
The constituent of the present embodiment and the constituent of embodiment 5 basically identical, difference be that use 2.2 parts of DCP substitute 2.0 parts of DCP.
The light NBR/PVC oil resisting rubber the performance test results of the present embodiment gained high acrylonitrile content is in table 2, and oil resistance the results are shown in Table 5.
Embodiment 9:
The constituent of the present embodiment and the constituent of embodiment 5 basically identical, difference be that use 2.4 parts of DCP substitute 2.0 parts of DCP.
The light NBR/PVC oil resisting rubber the performance test results of the present embodiment gained high acrylonitrile content is in table 2, and oil resistance the results are shown in Table 5.
Embodiment 10:
The constituent of the present embodiment and the constituent of embodiment 5 basically identical, difference be use 50 parts of white carbon blacks, 30 parts of light calcium carbonates.
The light NBR/PVC oil resisting rubber the performance test results of the present embodiment gained high acrylonitrile content is in table 3, and oil resistance the results are shown in Table 6.
Embodiment 11:
The constituent of the present embodiment and the constituent of embodiment 5 basically identical, difference is that use 50 parts of white carbon blacks, 30 parts of talcum powder substitute 30 parts of white carbon blacks, 50 parts of talcum powder.
The light NBR/PVC oil resisting rubber the performance test results of the present embodiment gained high acrylonitrile content is in table 3, and oil resistance the results are shown in Table 6.
Embodiment 12:
The constituent of the present embodiment and the constituent of embodiment 5 basically identical, difference is use 50 parts of white carbon blacks, 20 parts of light calcium carbonates, and 10 parts of talcum powder substitute 30 parts of white carbon blacks, 50 parts of talcum powder.
The light NBR/PVC oil resisting rubber the performance test results of the present embodiment gained high acrylonitrile content is in table 3, and oil resistance the results are shown in Table 6.
Embodiment 13:
The constituent of the present embodiment and the constituent of embodiment 5 basically identical, difference is use 50 parts of white carbon blacks, and 40 parts of light calcium carbonates substitute 30 parts of white carbon blacks, 50 parts of talcum powder.
The light NBR/PVC oil resisting rubber the performance test results of the present embodiment gained high acrylonitrile content is in table 3, and oil resistance the results are shown in Table 6.
Embodiment 14:
The constituent of the present embodiment and the constituent of embodiment 5 basically identical, difference is use 50 parts of white carbon blacks, and 40 parts of talcum powder substitute 30 parts of white carbon blacks, 50 parts of talcum powder.
Embodiment 15:
The constituent of the present embodiment and the constituent of embodiment 5 basically identical, difference is use 50 parts of talcum powder, and 20 parts of white carbon blacks substitute 30 parts of white carbon blacks, 50 parts of talcum powder.
Embodiment 16:
The constituent of the present embodiment and the constituent of embodiment 5 basically identical, difference is use 50 parts of talcum powder, and 40 parts of white carbon blacks substitute 30 parts of white carbon blacks, 50 parts of talcum powder.
Embodiment 17:
The constituent of the present embodiment and the constituent of embodiment 5 basically identical, difference is use 50 parts of talcum powder, and 50 parts of white carbon blacks substitute 30 parts of white carbon blacks, 50 parts of talcum powder.
Table 1
Table 2
Table 3
Table 4
Table 5
Table 6
Claims (2)
1. a light NBR/PVC oil-resistant rubber material for high acrylonitrile content, is characterized in that, described material comprises 70 parts of NBR, 30 parts of PVC, 30 parts of white carbon blacks, 50 parts of talcum powder, 20 parts of DOP, 25 parts of 3G8,2.0 parts of antioxidant 1010s, 1.8 parts of tinting materials, 1.2 parts of Sulfurs, 1.2 parts of CZ, 0.5 part of TMTD, 1.6 parts of stablizers, 2.0 parts of paraffin, 5.0 parts of zinc oxide, 1.5 parts of stearic acid, 3.0 parts of PEG2000.
2. a light NBR/PVC oil-resistant rubber material for high acrylonitrile content, is characterized in that, described material comprises 70 parts of NBR, 30 parts of PVC, 30 parts of white carbon blacks, 50 parts of talcum powder, 20 parts of DOP, 25 parts of 3G8,2.0 parts of antioxidant 1010s, 1.8 parts of tinting materials, 1.5 parts of Sulfurs, 1.5 parts of DM, 0.5 part of TMTD, 1.6 parts of stablizers, 2.0 parts of paraffin, 5.0 parts of zinc oxide, 1.5 parts of stearic acid, 3.0 parts of PEG2000.
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