CN105037851A - Butadiene styrene rubber, natural rubber and acrylonitrile-butadiene rubber combined obturator secondary foaming material and preparing method thereof - Google Patents
Butadiene styrene rubber, natural rubber and acrylonitrile-butadiene rubber combined obturator secondary foaming material and preparing method thereof Download PDFInfo
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Abstract
The invention relates to the technical field of foaming materials, and provides a butadiene styrene rubber, natural rubber and acrylonitrile-butadiene rubber combined obturator secondary foaming material and a preparing method thereof. According to the butadiene styrene rubber, natural rubber and acrylonitrile-butadiene rubber combined obturator secondary foaming material, better elasticity, abrasive resistance, cracking resistance, wet-skid resistance of the butadiene styrene rubber are maintained, the natural rubber is added to enhance rebound resilience, elongation, tensile strength and tearing strength of the foaming material, and the acrylonitrile-butadiene rubber is added to improve oil resistivity of the foaming material. The foaming material can be used in air at the temperature of 120 DEG C or in oil at the temperature of 150 DEG C for a long time and becomes indispensable elastic material in automobiles, aviation, petroleum, printing and other industries; by means of the preparing method of the butadiene styrene rubber, natural rubber and acrylonitrile-butadiene rubber combined obturator secondary foaming material, the technology that two rubber materials are added to be masticated and rolled separately to sand still is added, a new process technology of one-time sulfuration and secondary foaming is adopted, the preparing method is simple and easy to implement, the butadiene styrene rubber, natural rubber and acrylonitrile-butadiene rubber combined obturator secondary foaming material is suitable for large-scale production and use, and practicability is high.
Description
Technical field
The present invention relates to foam material technical field, particularly a kind of styrene-butadiene rubber(SBR) and natural rubber and paracril with closed pore second time of foaming material and preparation method thereof.
Background technology
Styrene-butadiene rubber(SBR) has been used widely in all trades and professions along with the maturation of domestic production technology, better elasticity and wear resistance, crack resistance, anti-slippery and price advantage become main flow glue kind, but stretch, tear strength is not high, chemicals-resistant weathering resistance, winter hardiness are not good; Natural rubber has good rebound resilience, elongation, tensile strength, tear strength, but oil-proofness etc. are all performed poor in shortcoming, basic similar to styrene-butadiene rubber(SBR); The water tolerance, oil-proofness etc. of paracril its excellence are in recent years widely used in footwear material foam material field, but exterior-coated nitrile rubber article has equally, and physical strength is low, insulating property are inferior, the shortcoming that elasticity is slightly low, and riseing year by year along with demand growth price, and being a vulcanizate, state of the art is low, and the vulcanization rate of three kinds of material products is inconsistent, more difficult oil-proofness and water tolerance of accomplishing secondary closed-cell foam enhancing goods, complex process.
Summary of the invention
Therefore, for above-mentioned problem, the present invention proposes a kind of styrene-butadiene rubber(SBR) and natural rubber and paracril and uses closed pore second time of foaming material and preparation method thereof, described styrene-butadiene rubber(SBR) and natural rubber and paracril with closed pore second time of foaming material, keep the better elasticity of styrene-butadiene rubber(SBR) and wear resistance, crack resistance, anti-slippery, add natural rubber and increase its rebound resilience, elongation, tensile strength, tear strength, add paracril and improve oil-proofness, can use for a long time in the air of 120 DEG C or in the oil of 150 DEG C, the various oil resisting rubber goods of system can be widely used in, multiple oil seat gasket, pad, sleeve pipe, soft packaging, flexible rubber hose, printer's roll, cable gum material etc., at automobile, aviation, oil, requisite resilient material is become in the industries such as duplicating, simultaneously described styrene-butadiene rubber(SBR) and natural rubber and paracril by the preparation method of closed pore second time of foaming material, open refining and add two kinds of sizing materials especially especially individually mastication and calendering leave standstill technique and overcome the difficult point of three kinds of rubber and plastic glue poor compatibility through banburying is mixing, adopt a sulfuration, second time of foaming newly enter making technology, preparation method is simple, be applicable to production and application quantitatively, practical.
For realizing above-mentioned technical problem, the solution that the present invention takes is:
A kind of styrene-butadiene rubber(SBR) and natural rubber and paracril also with closed pore second time of foaming material, are made up of the component of following weight:
Styrene-butadiene rubber(SBR) 80---100PHR
Natural rubber 20---30PHR
Paracril 20---30PHR
Stearic acid 1---2PHR
Dispersion agent 0.5---1.5PHR
Softening agent 0.5---1.5PHR
Zinc oxide 5---8PHR
Oxidation inhibitor 1---2PHR
Fire retardant 5---10PHR
Strengthening agent 60---100PHR
Tenderizer 15---20PHR
Linking agent 2---3PHR
Additional crosslinker 1.5---3PHR
Whipping agent 5---8PHR.
Further: also comprise carbon black, the weight of described carbon black is 0-10PHR.
Further: described carbon black is N330; Described dispersion agent is AT-B; Described oxidation inhibitor is BHT; Described fire retardant is fire retardant P; Described additional crosslinker is DM; Described whipping agent is ADC6000.
Further: described softening agent is paraffin LY-1.
Further: described strengthening agent is potter's clay.
Further: described tenderizer is naphthenic oil 4006#.
Further: described linking agent is sulphur.
Before arbitrary described styrene-butadiene rubber(SBR) and natural rubber and paracril by the preparation method of closed pore second time of foaming material, comprise the steps:
(1) natural rubber mastication;
(2) paracril mastication;
(3) mixing;
(4) calendering leaves standstill;
(5) slice is extruded;
(6) sulfur foam is shaping.
Further, described step is as follows:
(1) natural rubber mastication: natural rubber, stearic acid are dropped in Banbury mixer, be forced into 7 kilograms, kneading 10 minutes, continues in kneading process to fill cold water cooling, and when temperature reaches 110 DEG C ± 5 DEG C, discharging obtains natural rubber mastication glue; Dropped in mill by natural rubber mastication glue, temperature controls at 70 DEG C ± 5 DEG C, 5mm stirring 180 seconds, and 2mm thickness waves and extracts into the standing process respectively of corresponding weight;
(2) paracril mastication: paracril, stearic acid are dropped in Banbury mixer, is forced into 7 kilograms, kneading 8 minutes, continues to fill steam in kneading process and heat, when temperature reaches 100 DEG C ± 5 DEG C, discharging obtains paracril mastication glue; Dropped in mill by paracril mastication glue, temperature controls at 70 DEG C ± 5 DEG C, 2mm stirring 180 seconds, and 2mm thickness waves and extracts into the standing process respectively of corresponding weight;
(3) mixing: the paracril after natural rubber, mastication after styrene-butadiene rubber(SBR), mastication being left standstill leave standstill, stearic acid, dispersion agent, softening agent, zinc oxide, oxidation inhibitor, fire retardant, strengthening agent, tenderizer, carbon black carry out mixing and obtain mixture, mixture is put in Banbury mixer, be forced into 7 kilograms, kneading 8 minutes, cold water cooling is filled fast when temperature reaches 100 DEG C ± 5 DEG C, when temperature drops to 80 DEG C ± 5 DEG C, add linking agent, additional crosslinker and whipping agent again, kneading 3 minutes, discharging when temperature reaches 120 DEG C, obtains rubber unvulcanizate; Dropped in mill by rubber unvulcanizate and open refining, temperature controls at 80 DEG C ± 5 DEG C, first 8mm thick logical twice, then 2mm thin-pass twice, thicker logical twice of 5mm;
(4) calendering leaves standstill: again dropped in mill by the rubber unvulcanizate after step (3) process and carry out the calendering of 1mm thickness, leave standstill cooling 8 hours;
(5) slice is extruded: dropped in mill by the rubber unvulcanizate after step (4) process again, temperature controls at 70 DEG C ± 5 DEG C, open refining 600 seconds, and then rubber unvulcanizate forcing machine is extruded with the speed of per minute 2-3 rice, extruder discharging temperature is 80 DEG C, the automatic severing slice transfer roller slice that forcing machine connects weighs, and leaves standstill cooling;
(6) sulfur foam is shaping: accurately weigh to the tablet after step (5) regulation and control slice again, load corresponding vulcanizer foam-in-mould, curing temperature is at 135 DEG C ± 5 DEG C, and the hold-time, namely release obtained foam and deburring at 30 minutes; Foam foam is loaded corresponding foaming machine foam-in-mould, and blowing temperature is at 168 DEG C ± 5 DEG C, and the hold-time, namely release obtained snappiness foam at 35 minutes; By snappiness foam at room temperature naturally cooling 7-10 days, warehouse-in or machine-shaping after the abundant cooling meat of product.
Further: described step (1), step (2), step (3) Banbury mixer used is 75L rhombus rachis W type weight Banbury mixer, and mill is the automatic stirring mill of 18 inch; Described step (4) mill used is 16 inch mills; Step (5) mill used is the automatic stirring mill of 18 inch, and forcing machine is the hot feeding single screw extrusion machine of 250 diameter length-to-diameter ratio 1:8.
By adopting preceding solution, the invention has the beneficial effects as follows: the styrene-butadiene rubber(SBR) of as mentioned above design and natural rubber and paracril with closed pore second time of foaming material, to styrene-butadiene rubber(SBR), natural rubber, paracril, stearic acid, dispersion agent, softening agent, zinc oxide, oxidation inhibitor, strengthening agent, fire retardant, linking agent, additional crosslinker, tenderizer, carbon black and whipping agent carry out compatible blended processing, define good combination property, cost is low, low-cost poly-blended closed pore second time of foaming material, keeps the better elasticity of styrene-butadiene rubber(SBR) and wear resistance, crack resistance, anti-slippery, adds natural rubber and increases its rebound resilience, elongation, tensile strength, tear strength, adds paracril and improves oil-proofness, can use for a long time in the air of 120 DEG C or in the oil of 150 DEG C, is widely used in the various oil resisting rubber goods of system, multiple oil seat gasket, pad, sleeve pipe, soft packaging, flexible rubber hose, printer's roll, cable gum materials etc., at automobile, aviation, oil, requisite resilient material is become in the industries such as duplicating, described styrene-butadiene rubber(SBR) and natural rubber and paracril by the preparation method of closed pore second time of foaming material, adopt banburying mixing open refining add especially especially two kinds of sizing materials individually mastication and calendering leave standstill technique, adopt a sulfuration, second time of foaming newly enter making technology, completely compatible between rubber, sulfur foam is suitable, preparation method is simple, is applicable to production and application quantitatively, practical.
Embodiment
Now the present invention is further described in conjunction with specific embodiments.
Embodiment 1, material source specification used by embodiment 2 are as shown in table 1 below:
Table 1, each raw material sources specification table
Embodiment 1
Described styrene-butadiene rubber(SBR) and natural rubber and paracril also by the preparation method of closed pore second time of foaming material, comprise the steps:
(1) natural rubber mastication: the stearic acid of the natural rubber of 100PHR, 0.2PHR is dropped in 75L rhombus rachis W type weight Banbury mixer, be forced into 7 kilograms, kneading 10 minutes, continues to fill cold water cooling in kneading process, when temperature reaches 110 DEG C, discharging obtains natural rubber mastication glue; Dropped into by natural rubber mastication glue in the automatic stirring mill of 18 inch, temperature controls at 70 DEG C, 5mm stirring 180 seconds, and 2mm thickness waves and extracts into the standing process respectively of corresponding weight;
(2) paracril mastication: the stearic acid of the paracril of 100PHR, 0.2PHR is dropped in 75L rhombus rachis W type weight Banbury mixer, be forced into 7 kilograms, kneading 8 minutes, continues to fill steam and heats in kneading process, when temperature reaches 100 DEG C, discharging obtains paracril mastication glue; Dropped into by paracril mastication glue in the automatic stirring mill of 18 inch, temperature controls at 70 DEG C, 2mm stirring 180 seconds, and 2mm thickness waves and extracts into the standing process respectively of corresponding weight;
(3) mixing: by 100PHR styrene-butadiene rubber(SBR), natural rubber after the mastication of 20PHR leaves standstill, paracril after the mastication of 20PHR leaves standstill, the stearic acid of 1PHR, 1PHR dispersion agent, 1PHR softening agent, the zinc oxide of 8PHR and the oxidation inhibitor of 1PHR, the fire retardant of 10PHR, the strengthening agent of 70PHR, 15PHR tenderizer, the carbon black of 8PHR carries out mixing and obtains mixture, mixture is put in 75L rhombus rachis W type weight Banbury mixer, be forced into 7 kilograms, kneading 8 minutes, cold water cooling is filled fast when temperature reaches 100 DEG C, when temperature drops to 80 DEG C, add the linking agent of 2.5PHR again, the additional crosslinker of 2.5PHR and the whipping agent of 5PHR, kneading 3 minutes, discharging when temperature reaches 120 DEG C, obtain rubber unvulcanizate, rubber unvulcanizate is dropped into the automatic stirring mill of 18 inch and open refining, temperature controls at 80 DEG C, first 8mm thick logical twice, then 2mm thin-pass twice, then 5mm thick logical twice, and each component raw material is mixed further,
(4) calendering leaves standstill: again dropped in 16 inch mills by the rubber unvulcanizate after step (3) process and carry out the calendering of 1mm thickness, leave standstill cooling 8 hours;
(5) slice is extruded: the rubber unvulcanizate after step (4) process is dropped into 6mm thickness in the automatic stirring mill of 18 inch again and opens refining, temperature controls at 70 DEG C, opens refining 600 seconds, makes each component raw material mix further and heat up in advance; And then the rubber unvulcanizate hot feeding single screw extrusion machine of 250 diameter length-to-diameter ratio 1:8 is extruded with the speed of per minute 2 meters, extruder discharging temperature is 80 DEG C, and the automatic severing slice transfer roller slice that forcing machine connects weighs, and leaves standstill cooling;
(6) sulfur foam is shaping: accurately weigh to the tablet after step (5) regulation and control slice, load corresponding vulcanizer foam-in-mould, curing temperature is at 135 DEG C, and the hold-time, namely release obtained foam and deburring at 30 minutes again; Foam is loaded corresponding 300 tons of foaming machine foam-in-moulds, blowing temperature 168 DEG C, the hold-time, namely release obtained snappiness foam at 35 minutes; By snappiness foam at room temperature naturally cooling 7 days, warehouse-in or machine-shaping after the abundant cooling meat of product.
The styrene-butadiene rubber(SBR) obtained through above-mentioned styrene-butadiene rubber(SBR) and natural rubber and paracril and by the preparation method of closed pore second time of foaming material and natural rubber and paracril the physicals of use closed pore second time of foaming material is as shown in table 2 below:
Table 2, embodiment 1 physicals table
Embodiment 2
Described styrene-butadiene rubber(SBR) and natural rubber and paracril also by the preparation method of closed pore second time of foaming material, comprise the steps:
(1) natural rubber mastication: the stearic acid of the natural rubber of 100PHR, 0.1PHR is dropped in 75L rhombus rachis W type weight Banbury mixer, be forced into 7 kilograms, kneading 10 minutes, continues to fill cold water cooling in kneading process, when temperature reaches 115 DEG C, discharging obtains natural rubber mastication glue; Dropped into by natural rubber mastication glue in the automatic stirring mill of 18 inch, temperature controls at 75 DEG C, 5mm stirring 180 seconds, and 2mm thickness waves and extracts into the standing process respectively of corresponding weight;
(2) paracril mastication: the stearic acid of the paracril of 100PHR, 0.1PHR is dropped in 75L rhombus rachis W type weight Banbury mixer, be forced into 7 kilograms, kneading 8 minutes, continues to fill steam and heats in kneading process, when temperature reaches 105 DEG C, discharging obtains paracril mastication glue; Dropped into by paracril mastication glue in the automatic stirring mill of 18 inch, temperature controls at 75 DEG C, 2mm stirring 180 seconds, and 2mm thickness waves and extracts into the standing process respectively of corresponding weight;
(3) mixing: by 70PHR styrene-butadiene rubber(SBR), natural rubber after the mastication of 30PHR leaves standstill, paracril after the mastication of 30PHR leaves standstill, the stearic acid of 2PHR, the dispersion agent of 1PHR, the softening agent of 1PHR, the zinc oxide of 7PHR and the oxidation inhibitor of 2PHR, the fire retardant of 10PHR, the strengthening agent of 80PHR, the tenderizer of 18PHR carries out mixing and obtains mixture, mixture is put in 75L rhombus rachis W type weight Banbury mixer, be forced into 7 kilograms, kneading 8 minutes, cold water cooling is filled fast when temperature reaches 105 DEG C, when temperature drops to 85 DEG C, add the linking agent of 2PHR again, the additional crosslinker of 2PHR and the whipping agent of 6PHR, kneading 3 minutes, discharging when temperature reaches 120 DEG C, obtain rubber unvulcanizate, rubber unvulcanizate is dropped into the automatic stirring mill of 18 inch and open refining, temperature controls at 85 DEG C, first 8mm thick logical twice, then 2mm thin-pass twice, then 5mm thick logical twice, and each component raw material is mixed further,
(4) calendering leaves standstill: again dropped in 16 inch mills by the rubber unvulcanizate after step (3) process and carry out the calendering of 1mm thickness, leave standstill cooling 8 hours;
(5) slice is extruded: the rubber unvulcanizate after step (4) process is dropped into 6mm thickness in the automatic stirring mill of 18 inch again and opens refining, temperature controls at 75 DEG C, opens refining 600 seconds, makes each component raw material mix further and heat up in advance; And then the rubber unvulcanizate hot feeding single screw extrusion machine of 250 diameter length-to-diameter ratio 1:8 is extruded with the speed of per minute 3 meters, extruder discharging temperature is 80 DEG C, and the automatic severing slice transfer roller slice that forcing machine connects weighs, and leaves standstill cooling;
(6) sulfur foam is shaping: accurately weigh to the tablet after step (5) regulation and control slice, load corresponding vulcanizer foam-in-mould, curing temperature is at 140 DEG C, and the hold-time, namely release obtained foam and deburring at 30 minutes again; Foam is loaded corresponding 300 tons of foaming machine foam-in-moulds, blowing temperature 173 DEG C, the hold-time, namely release obtained snappiness foam at 35 minutes; By snappiness foam at room temperature naturally cooling 10 days, warehouse-in or machine-shaping after the abundant cooling meat of product.
The styrene-butadiene rubber(SBR) obtained through above-mentioned styrene-butadiene rubber(SBR) and natural rubber and paracril and by the preparation method of closed pore second time of foaming material and natural rubber and paracril the physicals of use closed pore second time of foaming material is as shown in table 3 below:
Table 3, embodiment 2 physicals table
In sum, described styrene-butadiene rubber(SBR) and natural rubber and paracril with closed pore second time of foaming material, to styrene-butadiene rubber(SBR), natural rubber, paracril, stearic acid, dispersion agent, softening agent, zinc oxide, oxidation inhibitor, strengthening agent, fire retardant, linking agent, additional crosslinker, tenderizer, carbon black and whipping agent carry out compatible blended processing, define good combination property, cost is low, low-cost poly-blended closed pore second time of foaming material, keep the better elasticity of styrene-butadiene rubber(SBR) and wear resistance, crack resistance, anti-slippery, add natural rubber and increase its rebound resilience, elongation, tensile strength, tear strength, add paracril and improve oil-proofness, can use for a long time in the air of 120 DEG C or in the oil of 150 DEG C, be widely used in the various oil resisting rubber goods of system, multiple oil seat gasket, pad, sleeve pipe, soft packaging, flexible rubber hose, printer's roll, cable gum material etc., at automobile, aviation, oil, requisite resilient material is become in the industries such as duplicating, described styrene-butadiene rubber(SBR) and natural rubber and paracril by the preparation method of closed pore second time of foaming material, adopt banburying mixing open refining add especially especially two kinds of sizing materials individually mastication and calendering leave standstill technique, adopt a sulfuration, second time of foaming newly enter making technology, completely compatible between rubber, sulfur foam is suitable, preparation method is simple, is applicable to production and application quantitatively, practical.
Above, be only the embodiment utilizing this origination techniques content, the modification that any those skilled in the art use this creation to do, change, all belong to the scope of the claims that this creation is advocated, and be not limited to those disclosed embodiments.
Claims (10)
1. styrene-butadiene rubber(SBR) and natural rubber and paracril with a closed pore second time of foaming material, it is characterized in that, be made up of the component of following weight:
Styrene-butadiene rubber(SBR) 80---100PHR
Natural rubber 20---30PHR
Paracril 20---30PHR
Stearic acid 1---2PHR
Dispersion agent 0.5---1.5PHR
Softening agent 0.5---1.5PHR
Zinc oxide 5---8PHR
Oxidation inhibitor 1---2PHR
Fire retardant 5---10PHR
Strengthening agent 60---100PHR
Tenderizer 15---20PHR
Linking agent 2---3PHR
Additional crosslinker 1.5---3PHR
Whipping agent 5---8PHR.
2. styrene-butadiene rubber(SBR) according to claim 1 and natural rubber and paracril with closed pore second time of foaming material, it is characterized in that: also comprise carbon black, the weight of described carbon black is 0-10PHR.
3. styrene-butadiene rubber(SBR) according to claim 2 and natural rubber and paracril with closed pore second time of foaming material, it is characterized in that: described carbon black is N330; Described dispersion agent is AT-B; Described oxidation inhibitor is BHT; Described fire retardant is fire retardant P; Described additional crosslinker is DM; Described whipping agent is ADC6000.
4. the styrene-butadiene rubber(SBR) according to claim 1 or 2 or 3 and natural rubber and paracril also with closed pore second time of foaming material, is characterized in that: described softening agent is paraffin LY-1.
5. the styrene-butadiene rubber(SBR) according to claim 1 or 2 or 3 and natural rubber and paracril also with closed pore second time of foaming material, is characterized in that: described strengthening agent is potter's clay.
6. the styrene-butadiene rubber(SBR) according to claim 1 or 2 or 3 and natural rubber and paracril also with closed pore second time of foaming material, is characterized in that: described tenderizer is naphthenic oil 4006#.
7. the styrene-butadiene rubber(SBR) according to claim 1 or 2 or 3 and natural rubber and paracril also with closed pore second time of foaming material, is characterized in that: described linking agent is sulphur.
8. the arbitrary described styrene-butadiene rubber(SBR) of claim 1-7 and natural rubber and paracril by the preparation method of closed pore second time of foaming material, it is characterized in that, comprise the steps:
(1) natural rubber mastication;
(2) paracril mastication;
(3) mixing;
(4) calendering leaves standstill;
(5) slice is extruded;
(6) sulfur foam is shaping.
9. styrene-butadiene rubber(SBR) according to claim 8 and natural rubber and paracril also by the preparation method of closed pore second time of foaming material, is characterized in that, comprise the steps:
(1) natural rubber mastication: natural rubber, stearic acid are dropped in Banbury mixer, be forced into 7 kilograms, kneading 10 minutes, continues in kneading process to fill cold water cooling, and when temperature reaches 110 DEG C ± 5 DEG C, discharging obtains natural rubber mastication glue; Dropped in mill by natural rubber mastication glue, temperature controls at 70 DEG C ± 5 DEG C, 5mm stirring 180 seconds, and 2mm thickness waves and extracts into the standing process respectively of corresponding weight;
(2) paracril mastication: paracril, stearic acid are dropped in Banbury mixer, is forced into 7 kilograms, kneading 8 minutes, continues to fill steam in kneading process and heat, when temperature reaches 100 DEG C ± 5 DEG C, discharging obtains paracril mastication glue; Dropped in mill by paracril mastication glue, temperature controls at 70 DEG C ± 5 DEG C, 2mm stirring 180 seconds, and 2mm thickness waves and extracts into the standing process respectively of corresponding weight;
(3) mixing: the paracril after natural rubber, mastication after styrene-butadiene rubber(SBR), mastication being left standstill leave standstill, stearic acid, dispersion agent, softening agent, zinc oxide, oxidation inhibitor, fire retardant, strengthening agent, tenderizer, carbon black carry out mixing and obtain mixture, mixture is put in Banbury mixer, be forced into 7 kilograms, kneading 8 minutes, cold water cooling is filled fast when temperature reaches 100 DEG C ± 5 DEG C, when temperature drops to 80 DEG C ± 5 DEG C, add linking agent, additional crosslinker and whipping agent again, kneading 3 minutes, discharging when temperature reaches 120 DEG C, obtains rubber unvulcanizate; Dropped in mill by rubber unvulcanizate and open refining, temperature controls at 80 DEG C ± 5 DEG C, first 8mm thick logical twice, then 2mm thin-pass twice, thicker logical twice of 5mm;
(4) calendering leaves standstill: again dropped in mill by the rubber unvulcanizate after step (3) process and carry out the calendering of 1mm thickness, leave standstill cooling 8 hours;
(5) slice is extruded: dropped in mill by the rubber unvulcanizate after step (4) process again, temperature controls at 70 DEG C ± 5 DEG C, open refining 600 seconds, and then rubber unvulcanizate forcing machine is extruded with the speed of per minute 2-3 rice, extruder discharging temperature is 80 DEG C, the automatic severing slice transfer roller slice that forcing machine connects weighs, and leaves standstill cooling;
(6) sulfur foam is shaping: accurately weigh to the tablet after step (5) regulation and control slice again, load corresponding vulcanizer foam-in-mould, curing temperature is at 135 DEG C ± 5 DEG C, and the hold-time, namely release obtained foam and deburring at 30 minutes; Foam foam is loaded corresponding foaming machine foam-in-mould, and blowing temperature is at 168 DEG C ± 5 DEG C, and the hold-time, namely release obtained snappiness foam at 35 minutes; By snappiness foam at room temperature naturally cooling 7-10 days, warehouse-in or machine-shaping after the abundant cooling meat of product.
10. styrene-butadiene rubber(SBR) according to claim 9 and natural rubber and paracril by the preparation method of closed pore second time of foaming material, it is characterized in that: described step (1), step (2), step (3) Banbury mixer used is 75L rhombus rachis W type weight Banbury mixer, and mill is the automatic stirring mill of 18 inch; Described step (4) mill used is 16 inch mills; Step (5) mill used is the automatic stirring mill of 18 inch, and forcing machine is the hot feeding single screw extrusion machine of 250 diameter length-to-diameter ratio 1:8.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538791A (en) * | 2015-12-15 | 2016-05-04 | 常熟市众友包装材料有限公司 | Antistatic packaging material with flame resistance and abrasion resistance |
| CN106009103A (en) * | 2016-06-23 | 2016-10-12 | 山东永泰集团有限公司 | Oil-resistant and flame-retardant rubber |
| CN109111606A (en) * | 2018-08-28 | 2019-01-01 | 三斯达（江苏）环保科技有限公司 | A kind of plasticizer, high elastic rubber and preparation method thereof |
| CN110712782A (en) * | 2019-09-30 | 2020-01-21 | 广州德润橡胶制品有限公司 | Laminator rubber roller and laminator rubber roller material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1687206A (en) * | 2005-04-21 | 2005-10-26 | 上海交通大学 | Technique for producing freerise foaming material of rubber |
| CN101633753A (en) * | 2009-08-21 | 2010-01-27 | 福建省易宝塑胶制品有限公司 | Neoprene closed cell foamed material and preparation method thereof |
-
2015
- 2015-07-23 CN CN201510436882.0A patent/CN105037851B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1687206A (en) * | 2005-04-21 | 2005-10-26 | 上海交通大学 | Technique for producing freerise foaming material of rubber |
| CN101633753A (en) * | 2009-08-21 | 2010-01-27 | 福建省易宝塑胶制品有限公司 | Neoprene closed cell foamed material and preparation method thereof |
Cited By (4)
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| CN105538791A (en) * | 2015-12-15 | 2016-05-04 | 常熟市众友包装材料有限公司 | Antistatic packaging material with flame resistance and abrasion resistance |
| CN106009103A (en) * | 2016-06-23 | 2016-10-12 | 山东永泰集团有限公司 | Oil-resistant and flame-retardant rubber |
| CN109111606A (en) * | 2018-08-28 | 2019-01-01 | 三斯达（江苏）环保科技有限公司 | A kind of plasticizer, high elastic rubber and preparation method thereof |
| CN110712782A (en) * | 2019-09-30 | 2020-01-21 | 广州德润橡胶制品有限公司 | Laminator rubber roller and laminator rubber roller material |
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| CN105037851B (en) | 2018-02-06 |
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Denomination of invention: Butadiene styrene rubber, natural rubber and acrylonitrile-butadiene rubber combined obturator secondary foaming material and preparing method thereof Effective date of registration: 20200416 Granted publication date: 20180206 Pledgee: Bank of China Limited by Share Ltd Jinjiang branch Pledgor: YIBAO (FUJIAN) POLYMER MATERIAL Co.,Ltd. Registration number: Y2020980001542 |
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Denomination of invention: A closed cell secondary foaming material for SBR, NR and NBR and its preparation method Effective date of registration: 20200923 Granted publication date: 20180206 Pledgee: Bank of China Limited by Share Ltd. Jinjiang branch Pledgor: YIBAO (FUJIAN) POLYMER MATERIAL Co.,Ltd. Registration number: Y2020980006369 |