CN102863665B - Chloroprene rubber mixed compound nonstick to rolls and method for preparing chloroprene rubber mixed compound - Google Patents
Chloroprene rubber mixed compound nonstick to rolls and method for preparing chloroprene rubber mixed compound Download PDFInfo
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- CN102863665B CN102863665B CN201210371752.XA CN201210371752A CN102863665B CN 102863665 B CN102863665 B CN 102863665B CN 201210371752 A CN201210371752 A CN 201210371752A CN 102863665 B CN102863665 B CN 102863665B
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Abstract
Chloroprene rubber mixed compound nonstick to rolls is made of, by weight, 60-90 parts of raw chloroprene rubber, 10-40 parts of raw butyronitrile rubber, 2-4 parts of stearic acid, 1-3 parts of accelerant, 1.5-5 parts of anti-aging agent, 40-60 parts of carbon black, 10-30 parts of calcium carbonate, 0.4-2.0 parts of paraffin, 5-10 parts of zinc oxide and 15-30 parts of DOP (dioctyl phthalate). The chloroprene rubber mixed compound is low in material cost, simple, convenient and stable in process and nonstick to rolls, and product performance requirements can be met while production process requirements on low cost and non-stickiness to rolls are met.
Description
Technical field
The present invention relates to a kind of neoprene latex rubber unvulcanizate and preparation method thereof, especially relate to a kind of not roll banding neoprene latex rubber unvulcanizate and preparation method thereof.
Background technology
Neoprene latex (CR) outward appearance is sheet or the block of oyster white, beige or light brown, density 1.23～1.25g/cm3, and second-order transition temperature _ 40～50 ℃, fragmentation point _ 35 ℃, approximately 80 ℃ of softening temperatures, decompose at 230～260 ℃.Neoprene latex solubility parameter accounts for δ=9.2～9.41.Be dissolved in toluene, dimethylbenzene,, ethylene dichloride, three vanadium ethene, be slightly soluble in acetone, methylethylketone, vinyl acetic monomer, hexanaphthene, be insoluble to normal hexane, industrial naptha, but dissolve in the mixed solvent being formed by the good solvent of suitable proportion and poor solvent and non-solvent or poor solvent and non-solvent, swelling in vegetables oil and mineral oil and not dissolving.Neoprene latex has good physical and mechanical properties, and oil resistant is heat-resisting, resistance to combustion, resistance to daylight, resistance to ozone, acid and alkali-resistance, chemical-resistant reagent.Shortcoming is that winter hardiness and package stability are poor.Have higher tensile strength, elongation and reversible crystallinity, cementability is good.Ageing-resistant, heat-resisting.Oil resistant, chemical resistance excellence.Weathering resistance and resistance to ozone ageing are only second to ethylene-propylene rubber(EPR) and isoprene-isobutylene rubber.Thermotolerance and paracril are suitable, 230～260 ℃ of decomposition temperatures, short-term can be resistance to 120～150 ℃, 80～100 ℃ can life-time service, there is certain flame retardant resistance.Oil-proofness is only second to paracril.Inorganic acid resistance, caustic corrosion are good.
Existing domestic neoprene latex, has following part of formula: 100 parts of neoprene latex rubbers conventionally; 2～3 parts of stearic acids; 2～3 parts, anti-aging agent; 40～60 parts of carbon blacks; 15～20 parts of tenderizers; 0.5～1.5 part, paraffin; 5～10 parts, zinc oxide; 2～4 parts of promotor.Above-mentioned neoprene latex is filled a prescription, and roll banding is serious in process of production, causes normally producing.
Summary of the invention
First technical problem that the present invention will solve is to provide a kind of not roll banding neoprene latex rubber unvulcanizate; This rubber unvulcanizate can meet performance requriements, can meet again low cost, the not production requirement of roll banding.
Second technical problem that the present invention will solve is to provide a kind of preparation method of not roll banding neoprene latex rubber unvulcanizate.
For solving above-mentioned first technical problem, the present invention is roll banding neoprene latex rubber unvulcanizate not, comprises the raw material of following parts by weight:
60～90 parts of neoprene latex rubbers, 10～40 parts of butadiene-acrylonitrile rubber rubbers,
2～4 parts of stearic acids, 1～3 part of promotor,
1.5～5 parts, anti-aging agent, 40～60 parts of carbon blacks,
10～30 parts, calcium carbonate, 0.4～2.0 part, paraffin,
5～10 parts, zinc oxide,
Dioctyl phthalate (DOP) (is called for short: DOP) 15～30 parts.
Preferably, described rubber unvulcanizate can also comprise: 3～5 parts, magnesium oxide.
Preferably, described rubber unvulcanizate comprises the raw material of following parts by weight:
80 parts of neoprene latex rubbers, 20 parts of butadiene-acrylonitrile rubber rubbers,
2 parts of stearic acids, 2 parts of promotor,
2 parts, anti-aging agent, 50 parts of carbon blacks,
15 parts, calcium carbonate, 1.5 parts, paraffin,
5 parts, zinc oxide,
25 parts of dioctyl phthalate (DOP)s.
Described anti-aging agent is 6-oxyethyl group-2,2,4-trimethylammonium-1, antioxidant A W), 2 2-dihyaroquinoline (is called for short:, 2,4-trimethylammonium 1,2-dihydro quinoline polymer (be called for short: anti-aging agent RD), N-phenyl-α-aniline (be called for short: antioxidant A) or N-phenyl-N`-cyclohexyl Ursol D (be called for short: antioxidant 4010).
Described promotor is Vulcanization accelerator TMTD, accelerant CZ or altax.Be commercial goods.
For solving above-mentioned second technical problem, the preparation method of a kind of not roll banding of the present invention neoprene latex rubber unvulcanizate, comprises the steps:
1) 60～90 neoprene latex rubbers and 10～40 parts of butadiene-acrylonitrile rubber rubbers are put in milling machine and plasticated simultaneously;
2) 2～4 parts of stearic acids, 1.5～5 parts of anti-aging agent, 40～60 parts of carbon blacks, 10～30 parts of calcium carbonate and 0.4～2.0 part of paraffin are joined in milling machine to mixing 3～5 minutes;
3) again 15～30 parts of dioctyl phthalate (DOP)s are put in milling machine;
4) pressure kneading machine, kneading 5～7 minutes, when temperature reaches 80～100 ℃, discharges sizing material, cooling to sheet under mill;
5) after sizing material is cooling, then sizing material is put into milling machine, add 1～3 part of promotor and 5～10 parts of zinc oxide; Zinc oxide and promotor are the vulcanizing agents as rubber unvulcanizate, if too early adding easily makes rubber bin cure.
6) kneading was discharged sizing material after 2～3 minutes, thin-pass 4～6 times in mill rapidly, and sheet under thickness and width, is cooled to room temperature by rubber unvulcanizate according to the rules, makes product.
Rubber unvulcanizate material cost of the present invention is lower, simple process and stable, and roll banding not, can meet the performance requriements of product, can meet again low cost, the manufacturing technique requirent of roll banding not.
Embodiment
Embodiment 1
Roll banding neoprene latex rubber unvulcanizate not, comprises the raw material of following parts by weight:
60 parts of neoprene latex rubbers, 40 parts of butadiene-acrylonitrile rubber rubbers,
2 parts of stearic acids, 1 part of promotor,
Anti-aging agent 1.5,40 parts of carbon blacks,
10 parts, calcium carbonate, 0.4 part, paraffin,
5 parts, zinc oxide,
15 parts of dioctyl phthalate (DOP)s;
Described anti-aging agent is antioxidant A W;
Described promotor is Vulcanization accelerator TMTD.
A preparation method for above-mentioned not roll banding neoprene latex rubber unvulcanizate, comprises the steps:
1) 60 neoprene latex rubbers and 40 parts of butadiene-acrylonitrile rubber rubbers are put in milling machine and plasticated simultaneously;
2) 2 parts of stearic acids, 1.5 parts of anti-aging agent, 40 parts of carbon blacks, 10 parts of calcium carbonate and 0.4 part of paraffin are joined in milling machine to mixing 3 minutes;
3) again 15 parts of dioctyl phthalate (DOP)s are put in milling machine;
4) kneading 7 minutes in pressure kneading machine, when temperature reaches 80 ℃,, sizing material is discharged, cooling to sheet under mill;
5) after sizing material is cooling, then sizing material is put into milling machine, add 1 part of promotor and 5 parts of zinc oxide;
6) kneading was discharged sizing material after 2 minutes, thin-pass 4 times in mill rapidly, and sheet under thickness and width, is cooled to room temperature by rubber unvulcanizate according to the rules, makes product.
Embodiment 2
Roll banding neoprene latex rubber unvulcanizate not, comprises the raw material of following parts by weight:
90 parts of neoprene latex rubbers, 10 parts of butadiene-acrylonitrile rubber rubbers,
4 parts of stearic acids, 3 parts of promotor,
5 parts, anti-aging agent, 60 parts of carbon blacks,
30 parts, calcium carbonate, 2.0 parts, paraffin,
10 parts, zinc oxide, 30 parts of dioctyl phthalate (DOP)s;
Described anti-aging agent is anti-aging agent RD;
Described promotor is accelerant CZ.
A preparation method for roll banding neoprene latex rubber unvulcanizate, does not comprise the steps:
1) 90 neoprene latex rubbers and 10 parts of butadiene-acrylonitrile rubber rubbers are put in milling machine and plasticated simultaneously;
2) 4 parts of stearic acids, 5 parts of anti-aging agent, 60 parts of carbon blacks, 30 parts of calcium carbonate and 2.0 parts of paraffin are joined in milling machine to mixing 5 minutes;
3) again 30 parts of dioctyl phthalate (DOP)s are put in milling machine;
4) kneading 5 minutes in pressure kneading machine, when temperature reaches 90 ℃, discharges sizing material, cooling to sheet under mill;
5) after sizing material is cooling, then sizing material is put into milling machine, add 3 parts of promotor and 10 parts of zinc oxide;
6) kneading was discharged sizing material after 3 minutes, thin-pass 6 times in mill rapidly, and sheet under thickness and width, is cooled to room temperature by rubber unvulcanizate according to the rules, makes product.
Embodiment 3
Roll banding neoprene latex rubber unvulcanizate not, comprises the raw material of following parts by weight:
80 parts of neoprene latex rubbers, 20 parts of butadiene-acrylonitrile rubber rubbers,
2 parts of stearic acids, 2 parts of promotor,
2 parts, anti-aging agent, 50 parts of carbon blacks,
15 parts, calcium carbonate, 1.5 parts, paraffin,
5 parts, zinc oxide,
25 parts of dioctyl phthalate (DOP)s;
Described anti-aging agent is antioxidant A;
Described promotor is altax.
A preparation method for roll banding neoprene latex rubber unvulcanizate, does not comprise the steps:
1) 80 neoprene latex rubbers and 20 parts of butadiene-acrylonitrile rubber rubbers are put in milling machine and plasticated simultaneously;
2) 2 parts of stearic acids, 2 parts of anti-aging agent, 50 parts of carbon blacks, 15 parts of calcium carbonate and 1.5 parts of paraffin are joined in milling machine to mixing 4 minutes;
3) again 25 parts of dioctyl phthalate (DOP)s are put in milling machine;
4) kneading 6 minutes in pressure kneading machine, when temperature reaches 100 ℃,, sizing material is discharged, cooling to sheet under mill;
5) after sizing material is cooling, then sizing material is put into milling machine, add 2 parts of promotor and 5 parts of zinc oxide;
6) kneading was discharged sizing material after 3 minutes, thin-pass 5 times in mill rapidly, and sheet under thickness and width, is cooled to room temperature by rubber unvulcanizate according to the rules, makes product.
Embodiment 4
Roll banding neoprene latex rubber unvulcanizate not, comprises the raw material of following parts by weight:
70 parts of neoprene latex rubbers, 30 parts of butadiene-acrylonitrile rubber rubbers,
3 parts of stearic acids, 2 parts of promotor,
3 parts, anti-aging agent, 50 parts of carbon blacks,
20 parts, calcium carbonate, 1.0 parts, paraffin,
8 parts, zinc oxide, 4 parts, magnesium oxide
20 parts of dioctyl phthalate (DOP)s;
Described anti-aging agent is antioxidant 4010;
Described promotor is Vulcanization accelerator TMTD.
A preparation method for roll banding neoprene latex rubber unvulcanizate, does not comprise the steps:
1) 70 neoprene latex rubbers and 30 parts of butadiene-acrylonitrile rubber rubbers are put in milling machine and plasticated simultaneously;
2) 3 parts of stearic acids, 3 parts of anti-aging agent, 50 parts of carbon blacks, 20 parts of calcium carbonate, 1.0 parts of paraffin and 4 parts of magnesium oxide are joined in milling machine to mixing 5 minutes;
3) again 20 parts of dioctyl phthalate (DOP)s are put in milling machine;
4) kneading 6 minutes in pressure kneading machine, when temperature reaches 950 ℃, discharges sizing material, cooling to sheet under mill;
5) after sizing material is cooling, then sizing material is put into milling machine, add 2 parts of promotor and 8 parts of zinc oxide;
6) kneading was discharged sizing material after 2.5 minutes, thin-pass 5 times in mill rapidly, and sheet under thickness and width, is cooled to room temperature by rubber unvulcanizate according to the rules, makes product.
Comparative example 1:
Take the raw material of following parts by weight, 100 parts of neoprene latex rubbers; 2～3 parts of stearic acids; 2～3 parts, anti-aging agent; 40～60 parts of carbon blacks; 15～20 parts of tenderizers; 0.5～1.5 part, paraffin; 5～10 parts, zinc oxide; 2～4 parts of promotor, are undertaken mixing by prior art.
The product of the product of the embodiment of the present invention 3 and contrast 1 is compared, and performance data sees table:
To sum up, rubber unvulcanizate material cost of the present invention is lower, simple process and stable, and roll banding not, can meet the performance requriements of product, can meet again low cost, the manufacturing technique requirent of roll banding not.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here cannot give all embodiments exhaustive.Every still row in protection scope of the present invention of apparent variation that technical scheme of the present invention extends out or change that belong to.
Claims (4)
1. roll banding neoprene latex rubber unvulcanizate not, is characterized in that, comprises the raw material of following parts by weight:
The preparation method of described not roll banding neoprene latex rubber unvulcanizate is as follows:
1) 60～90 neoprene latex rubbers and 10～40 parts of butadiene-acrylonitrile rubber rubbers are put in milling machine and plasticated simultaneously;
2) 2～4 parts of stearic acids, 1.5～5 parts of anti-aging agent, 40～60 parts of carbon blacks, 10～30 parts of calcium carbonate and 0.4～2.0 part of paraffin are joined in milling machine to mixing 3～5 minutes;
3) again 15～30 parts of dioctyl phthalate (DOP)s are put in milling machine;
4) pressure kneading machine, kneading 5～7 minutes, when temperature reaches 80～100 ℃, discharges sizing material, cooling to sheet under mill;
5) after sizing material is cooling, then sizing material is put into milling machine, add 1～3 part of promotor and 5～10 parts of zinc oxide;
6) kneading was discharged sizing material after 2～3 minutes, thin-pass 4～6 times in mill rapidly, and lower, rubber unvulcanizate is cooled to room temperature, make product.
2. rubber unvulcanizate according to claim 1, is characterized in that: described rubber unvulcanizate comprises the raw material of following parts by weight:
3. according to the rubber unvulcanizate described in claim 1,2, it is characterized in that: described anti-aging agent is antioxidant A W, anti-aging agent RD, antioxidant A or antioxidant 4010.
4. according to the rubber unvulcanizate described in claim 1,2 or 3, it is characterized in that: described promotor is Vulcanization accelerator TMTD, accelerant CZ or altax.
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| CN201210371752.XA CN102863665B (en) | 2012-09-27 | 2012-09-27 | Chloroprene rubber mixed compound nonstick to rolls and method for preparing chloroprene rubber mixed compound |
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| CN201210371752.XA CN102863665B (en) | 2012-09-27 | 2012-09-27 | Chloroprene rubber mixed compound nonstick to rolls and method for preparing chloroprene rubber mixed compound |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1140888A (en) * | 1995-07-17 | 1997-01-22 | 修武县油封厂 | Sealing element of special high-voltage electric appliance |
| CN101407599A (en) * | 2008-11-11 | 2009-04-15 | 信义集团公司 | Preparation of disc type brake block steel back rubber damping layer material |
| CN101537680A (en) * | 2009-04-29 | 2009-09-23 | 北京天山新材料技术有限责任公司 | Preparation method of conveyor belt disrepair patch |
| CN101665597A (en) * | 2008-09-05 | 2010-03-10 | 上海五同同步带有限公司 | Rubber poly V-belt with safe polycyclic aromatic hydrocarbon content |
| CN102367300A (en) * | 2011-09-02 | 2012-03-07 | 芜湖禾田汽车工业有限公司 | Rubber excellent in heat resistance, oil resistance and ageing resistance and preparation method thereof |
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- 2012-09-27 CN CN201210371752.XA patent/CN102863665B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1140888A (en) * | 1995-07-17 | 1997-01-22 | 修武县油封厂 | Sealing element of special high-voltage electric appliance |
| CN101665597A (en) * | 2008-09-05 | 2010-03-10 | 上海五同同步带有限公司 | Rubber poly V-belt with safe polycyclic aromatic hydrocarbon content |
| CN101407599A (en) * | 2008-11-11 | 2009-04-15 | 信义集团公司 | Preparation of disc type brake block steel back rubber damping layer material |
| CN101537680A (en) * | 2009-04-29 | 2009-09-23 | 北京天山新材料技术有限责任公司 | Preparation method of conveyor belt disrepair patch |
| CN102367300A (en) * | 2011-09-02 | 2012-03-07 | 芜湖禾田汽车工业有限公司 | Rubber excellent in heat resistance, oil resistance and ageing resistance and preparation method thereof |
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Effective date of registration: 20211209 Address after: 276800 Building 1, No. 177, Gaoxin Sixth Road, high tech Zone, Rizhao City, Shandong Province Patentee after: Rizhao Jingying Media Technology Co.,Ltd. Address before: Room 303, building 4, Rizhao Intelligent Manufacturing Industrial Park, Shenzhen West Road, happy town, Lanshan District, Rizhao City, Shandong Province Patentee before: Shandong Junce Technology Service Co., Ltd |