CN105037850B - A kind of butadiene-styrene rubber and natural rubber and high styrene resin and with closed pore second time of foaming material and preparation method thereof - Google Patents
A kind of butadiene-styrene rubber and natural rubber and high styrene resin and with closed pore second time of foaming material and preparation method thereof Download PDFInfo
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Abstract
The present invention relates to expanded material technical fields, there is provided a kind of butadiene-styrene rubber and natural rubber and high styrene resin and with closed pore second time of foaming material and preparation method thereof, the butadiene-styrene rubber and natural rubber and high styrene resin and be butadiene-styrene rubber with closed pore second time of foaming material, natural rubber and high styrene resin can preferable compatibilities, the intermingling material of dispersiveness improvement, it is widened with not reducing physical property using field, to butadiene-styrene rubber, the function of natural rubber products surface embossed lines improves, it adds in high styrene resin and improves mechanical stiffness, product surface embossing lines is clear, product is assigned with better ageing-resistant performance, higher hardness and rigidity, the mechanical strength and tearing strength of bigger；The butadiene-styrene rubber and natural rubber and high styrene resin simultaneously effectively reduce production cost, promotion competitiveness simultaneously with the preparation method of closed pore second time of foaming material using advanced once vulcanization, secondary foaming process processing procedure, guarantee and enhancing quality.
Description
Technical field
The present invention relates to expanded material technical field, more particularly to a kind of butadiene-styrene rubber and natural rubber and high-phenylethylene tree
Fat and with closed pore second time of foaming material and preparation method thereof.
Background technology
Butadiene-styrene rubber is widely used with the maturation of domestic production technology in all trades and professions, preferably elastic and wear-resisting
Property, crack resistance, anti-slippery and price advantage become mainstream glue kind, but stretch, tearing strength it is not high, chemicals-resistant is weather-proof
Property, embossing it is moulding bad；Natural rubber has good resilience, elongation, tensile strength, tearing strength, but in shortcoming side
Face pressure line, plasticity etc. are performed poor, substantially similar to butadiene-styrene rubber；Its excellent machinery is firm in recent years for high styrene resin
Degree, wearability etc. are widely used in footwear material foam material field, but high styrene resin product equally has that pliability is poor, shrinks
The shortcomings that property is big, and be a vulcanizate, technological level is low.Three kinds of materials are in intersolubility since the above two are to belong to
Rubber material, and the latter is thermoplastic elastomer (TPE), the bad dispersibility after processing blends for expanded material is a larger
How difficult point is improved to improve wear-resisting, the on-slip synthesis of surface treatment such as good dispersion, low cost, product embossing in technique
Property good need to be made a breakthrough so as to widen application range.
The content of the invention
Therefore, for it is above-mentioned the problem of, the present invention proposes a kind of butadiene-styrene rubber and natural rubber and high styrene resin simultaneously
With closed pore second time of foaming material and preparation method thereof, the butadiene-styrene rubber and natural rubber and high styrene resin and with closed pore two
Secondary expanded material for butadiene-styrene rubber, natural rubber and high styrene resin can preferably compatibility, dispersiveness improve blending material
Material, is widened with not reducing physical property using field, and the function of butadiene-styrene rubber, natural rubber products surface embossed lines is improved, is added
Enter high styrene resin and improve mechanical stiffness, product surface embossing lines is clear；Institute's article of manufacture is nontoxic, tasteless, pollution-free, and
Product surface needs wear-resisting on-slip after embossing, at home medical treatment, aviation, sports equipment, aquatic sports, the extensive product of life household
Surface embossed lines clearly enhances on the materials'use in field functional, assigns product with better ageing-resistant performance, higher
Hardness and rigidity, the mechanical strength and tearing strength of bigger；The butadiene-styrene rubber and natural rubber and high styrene resin are simultaneously
With the preparation method of closed pore second time of foaming material using advanced once vulcanization, secondary foaming process processing procedure, ensure and enhance product
Matter effectively reduces production cost simultaneously, promotes competitiveness.
To realize above-mentioned technical problem, the solution that the present invention takes is：
A kind of butadiene-styrene rubber and natural rubber and high styrene resin and with closed pore second time of foaming material, by following parts by weight
The component of proportioning is made：
Butadiene-styrene rubber 80---100PHR
Natural rubber 15---25PHR
Rubber compound A (high styrene resin+natural rubbers 1：1) 15---25PHR
Stearic acid 1---2PHR
Dispersant 0.5---1.5PHR
Plasticizer 1---2PHR
Zinc oxide 5---8PHR
Antioxidant 2---3PHR
Fire retardant 5---10PHR
Reinforcing agent 30---50PHR
Softening agent 5---15PHR
Crosslinking agent 3---5PHR
Assistant crosslinking agent 2---4PHR
Foaming agent 4---6PHR.
It is further：Carbon black is further included, the weight of the carbon black is 0-10PHR.
It is further：The carbon black is N330；The dispersant is AT-B；The antioxidant is BHT；The fire retardant
For fire retardant P；The assistant crosslinking agent is DM；The foaming agent is ADC6000.
It is further：The plasticizer is paraffin LY-1.
It is further：The reinforcing agent is clay.
It is further：The softening agent is naphthenic oil 4006#.
It is further：The crosslinking agent is sulphur.
Preceding any butadiene-styrene rubber and natural rubber and high styrene resin and with the system of closed pore second time of foaming material
Preparation Method includes the following steps：
(1) rubber compound A mastications；
(2) natural rubber mastication；
(3) it is kneaded；
(4) calendering is stood；
(5) slice is squeezed out；
(6) sulfur foam is molded.
It is further that the step is as follows：
(1) rubber compound A mastications：By in high styrene resin, natural rubber, stearic acid input mixer, it is public to be forced into 7
Cold water cooling is persistently filled in jin, kneading 8 minutes during kneading, discharging acquisition rubber compound A when temperature reaches 110 DEG C ± 5 DEG C；It will
In rubber compound A input open mills, temperature control is at 80 DEG C ± 5 DEG C, and 2mm stirrings 180 seconds, 2mm thickness, which waves, extracts into corresponding weight
Amount difference stewing process；
(2) natural rubber mastication：By in natural rubber, stearic acid input mixer, 7 kilograms are forced into, kneading 10 divides
Clock persistently fills cold water cooling during kneading, discharging acquisition natural rubber mastication glue when temperature reaches 110 DEG C ± 5 DEG C；It will be natural
In dambonite refining glue input open mill, temperature control is at 80 DEG C ± 5 DEG C, 5mm stirrings 180 seconds, 2mm thickness wave extract into it is corresponding
Weight distinguishes stewing process；
(3) it is kneaded：By butadiene-styrene rubber, mastication stand after natural rubber, mastication stand after rubber compound A, tristearin
Acid, dispersant, plasticizer, zinc oxide, antioxidant, fire retardant, reinforcing agent, softening agent, carbon black carry out mixing and obtain mixture, will
Mixture is put into mixer, is forced into 7 kilograms, kneading 13 minutes, temperature quickly fills cold water drop when reaching 125 DEG C ± 5 DEG C
Temperature when temperature drops to 102 DEG C ± 5 DEG C, adds crosslinking agent, assistant crosslinking agent and foaming agent, kneading 3 minutes, temperature reaches 120
DEG C when discharge, obtain rubber compound；Rubber compound is put into mill in open mill, temperature is controlled at 80 DEG C ± 5 DEG C, and first 8mm is thick by logical two
It is secondary, then 2mm it is thin it is logical twice, then 5mm it is thick it is logical twice；
(4) calendering is stood：It will be through step（3）Treated, and rubber compound puts into progress 0.5mm thickness pressures in open mill again
Prolong, when standing cooling 8 is small；
(5) slice is squeezed out：Step (4) will be passed through, and treated, and rubber compound is put into open mill again, and temperature is controlled at 80 DEG C
± 5 DEG C, then mill 600 seconds is again squeezed out rubber compound extruder with speed 2-3 meters per minute, extruder discharging temperature
For 85 DEG C, the automatic severing slice conveyer slice of extruder connection weighs, and stands cooling；
(6) sulfur foam is molded：Tablet after step (5) regulates and controls slice is precisely weighed again, is packed into corresponding
Vulcanizer foam-in-mould, curing temperature is at 135 DEG C ± 5 DEG C, and the retention time, release was up to foaming body and deburring at 30 minutes；
Foaming body foaming body is packed into corresponding foaming machine foam-in-mould, blowing temperature at 168 DEG C ± 5 DEG C, the retention time at 35 minutes,
Release is up to high resiliency foaming body；By high resiliency foaming body natural cooling 7-10 days at room temperature, treat that product is fully cooled contraction
Storage or machine-shaping afterwards.
It is further：The step (1), step (2), the mixer used in step (3) are 75L diamond shape rachis W type weights
Hammer mixer into shape, open mill is 18 inch automatic stirring materials open mills；Open mill used in the step (4) is 16 inch open mills；Step
(5) open mill used in is 18 inch automatic stirring materials open mills, and extruder is 250 diameter draw ratios 1：8 hot feeding Single screw extrusions
Machine.
By using preceding solution, the beneficial effects of the invention are as follows：The butadiene-styrene rubber that designs as described above and natural
Rubber and high styrene resin and with closed pore second time of foaming material are to butadiene-styrene rubber, natural rubber, high styrene resin, hard
Resin acid, dispersant, plasticizer, zinc oxide, antioxidant, reinforcing agent, fire retardant, crosslinking agent, assistant crosslinking agent, softening agent, carbon black and
Foaming agent carries out compatible blending processing, to form good combination property, at low cost, cheap poly-blended closed pore second time of foaming
Material, the integrated performance index after blending greatly exceed performance when each rubber is used alone, keep the preferable bullet of butadiene-styrene rubber
Property and wearability, crack resistance, anti-slippery, adding in natural rubber, to increase its resilience, elongation, tensile strength, tear strong
Degree adds in high styrene resin and improves products machinery rigidity, Article Stiffness Determination, stiffening property, institute's article of manufacture embossing lines clarity, institute
Article of manufacture embossing lines clearly so as on wear-resisting, skid-proof function performance protrude, it is nontoxic, tasteless, pollution-free, assign product with
Better ageing-resistant performance, higher hardness and rigidity, the mechanical strength of bigger and tearing strength, good mechanical performance,
Elastic and excellent compatibility makes this product tool have been widely used.The butadiene-styrene rubber and natural rubber and high styrene resin are simultaneously
With the preparation method of closed pore second time of foaming material, the independent mastication of natural rubber is especially added on the basis of mixing is kneaded mill,
High styrene resin+natural rubber 1：1 is kneaded, then two kinds of pre- refining glues and butadiene-styrene rubber are kneaded and are rolled and are stood, and overcomes three
The difficult point of kind rubber resin poor compatibility, preparation process simply easily carry out, and quantitatively production is suitble to prepare and is used.
Specific embodiment
In conjunction with specific embodiment, the present invention is further described.
Material source specification used in embodiment 1, embodiment 2 is as shown in table 1 below：
Table 1, each raw material sources specification table
Embodiment 1
The butadiene-styrene rubber and natural rubber and high styrene resin and with the preparation method of closed pore second time of foaming material, bag
Include following steps：
(1) rubber compound A mastications：By the high styrene resin of 100PHR, the natural rubber of 100PHR, 0.2PHR tristearin
In acid input 75L diamond shape rachis W type weight mixers, 7 kilograms are forced into, cold water drop is persistently filled in kneading 8 minutes during kneading
Temperature, discharging acquisition rubber compound A when temperature reaches 110 DEG C；Rubber compound A is put into 18 inch automatic stirring materials open mills, temperature control
At 80 DEG C, 2mm stirrings 180 seconds, 2mm thickness, which waves, extracts into corresponding weight difference stewing process；
(2) natural rubber mastication：The stearic acid of the natural rubber of 100PHR, 0.2PHR are put into 75L diamond shape rachis W types
In weight mixer, 7 kilograms are forced into, kneading 10 minutes persistently fills cold water cooling, when temperature reaches 110 DEG C during kneading
Discharging obtains natural rubber mastication glue；Natural rubber mastication glue is put into 18 inch automatic stirring materials open mills, temperature is controlled 80
DEG C, 5mm stirrings 180 seconds, 2mm thickness, which waves, extracts into corresponding weight difference stewing process；
(3) it is kneaded：Natural rubber, 20PHR after the mastication of the butadiene-styrene rubber of 100PHR, 15PHR are stood are
Stearic acid, 1PHR dispersants, 1.5PHR plasticizer, the zinc oxide and 3PHR of 6PHR of rubber compound A, 1.5PHR after mastication standing
Antioxidant, the fire retardant of 8PHR, the reinforcing agent of 40PHR, 10PHR softening agents, the carbon black of 8PHR carry out mixing and obtain mixture,
Mixture is put into 75L diamond shape rachis W type weight mixers, is forced into 7 kilograms, kneading 13 minutes, temperature reaches 125 DEG C
When quickly fill cold water cooling, when temperature drops to 102 DEG C, add the crosslinking agent of 4PHR, the assistant crosslinking agent of 3PHR and 4PHR
Foaming agent, kneading 3 minutes, temperature discharges when reaching 120 DEG C, obtains rubber compound；Rubber compound is put into 18 inch automatic stirring materials mills
Machine mill, temperature are controlled at 80 DEG C, first 8mm it is thick it is logical twice, then 2mm it is thin it is logical twice, then 5mm it is thick it is logical twice, make each component raw material
Further mixing；
(4) calendering is stood：It will be through step（3）Treated, and rubber compound puts into progress 0.5mm thickness in 16 inch open mills again
Degree calendering, when standing cooling 8 is small；
(5) slice is squeezed out：Step (4) will be passed through, and treated that rubber compound puts into 6mm in 18 inch automatic stirring materials open mills again
Thickness mill, temperature control is at 80 DEG C, mill 600 seconds so that each component raw material is further mixed and simultaneously heated up in advance；It then again will be mixed
250 diameter draw ratios 1 of refining glue：8 hot feeding single screw extrusion machines are squeezed out with 2 meters per minute of speed, extruder discharging temperature
For 85 DEG C, the automatic severing slice conveyer slice of extruder connection weighs, and stands cooling；
(6) sulfur foam is molded：Tablet after step (5) regulates and controls slice is precisely weighed again, is packed into corresponding
Vulcanizer foam-in-mould, curing temperature is at 135 DEG C, and the retention time, release was up to foaming body and deburring at 30 minutes；It will foaming
Body is packed into corresponding 300 tons of foaming machine foam-in-moulds, and 168 DEG C of blowing temperature, the retention time, release was up to high resiliency at 35 minutes
Foaming body；By high resiliency foaming body natural cooling 7 days at room temperature, storage or machine-shaping after product is fully cooled contraction.
By above-mentioned butadiene-styrene rubber and natural rubber and high styrene resin and with the preparation side of closed pore second time of foaming material
Butadiene-styrene rubber made from method and natural rubber and high styrene resin and with physical property such as the following table 2 of closed pore second time of foaming material
It is shown：
Table 2,1 physical property table of embodiment
Embodiment 2
The butadiene-styrene rubber and natural rubber and high styrene resin and with the preparation method of closed pore second time of foaming material, bag
Include following steps：
(1) rubber compound A mastications：By the high styrene resin of 100PHR, the natural rubber of 100PHR, 0.1PHR stearic acid
It puts into 75L diamond shape rachis W type weight mixers, is forced into 7 kilograms, cold water drop is persistently filled in kneading 8 minutes during kneading
Temperature, discharging acquisition rubber compound A when temperature reaches 115 DEG C；Rubber compound A is put into 18 inch automatic stirring materials open mills, temperature control
At 85 DEG C, 2mm stirrings 180 seconds, 2mm thickness, which waves, extracts into corresponding weight difference stewing process；
(2) natural rubber mastication：The stearic acid of the natural rubber of 100PHR, 0.1PHR are put into 75L diamond shape rachis W types
In weight mixer, 7 kilograms are forced into, kneading 10 minutes persistently fills cold water cooling, when temperature reaches 115 DEG C during kneading
Discharging obtains natural rubber mastication glue；Natural rubber mastication glue is put into 18 inch automatic stirring materials open mills, temperature is controlled 85
DEG C, 5mm stirrings 180 seconds, 2mm thickness, which waves, extracts into corresponding weight difference stewing process；
(3) it is kneaded：The element of natural rubber, 25PHR after the mastication of the butadiene-styrene rubber of 80PHR, 20PHR are stood
The stearic acid of rubber compound A, 1.5PHR, the dispersant of 1PHR, the plasticizer of 2PHR, the zinc oxide and 3PHR of 6PHR after refining standing
Antioxidant, the fire retardant of 8PHR, the reinforcing agent of 50PHR, the softening agent of 12PHR carry out mixing and obtain mixture, by mixture
It puts into 75L diamond shape rachis W type weight mixers, is forced into 7 kilograms, kneading 13 minutes, temperature is quickly filled when reaching 130 DEG C
Cold water cools down, and when temperature drops to 107 DEG C, adds the foaming agent of the crosslinking agent of 4PHR, the assistant crosslinking agent of 3PHR and 4.5PHR,
Kneading 3 minutes, temperature discharges when reaching 120 DEG C, obtains rubber compound；Rubber compound is put into 18 inch automatic stirring materials open mill mills,
Temperature is controlled at 85 DEG C, first 8mm it is thick it is logical twice, then 2mm it is thin it is logical twice, then 5mm it is thick it is logical twice, each component raw material is made further to mix
It closes；
(4) calendering is stood：It will be through step（3）Treated, and rubber compound puts into progress 0.5mm thickness in 16 inch open mills again
Degree calendering, when standing cooling 8 is small；
(5) slice is squeezed out：Step (4) will be passed through, and treated that rubber compound puts into 6mm in 18 inch automatic stirring materials open mills again
Thickness mill, temperature control is at 85 DEG C, mill 600 seconds so that each component raw material is further mixed and simultaneously heated up in advance；It then again will be mixed
250 diameter draw ratios 1 of refining glue：8 hot feeding single screw extrusion machines are squeezed out with 3 meters per minute of speed, extruder discharging temperature
For 85 DEG C, the automatic severing slice conveyer slice of extruder connection weighs, and stands cooling；
(6) sulfur foam is molded：Tablet after step (5) regulates and controls slice is precisely weighed again, is packed into corresponding
Vulcanizer foam-in-mould, curing temperature is at 140 DEG C, and the retention time, release was up to foaming body and deburring at 30 minutes；It will foaming
Body is packed into corresponding 300 tons of foaming machine foam-in-moulds, and 173 DEG C of blowing temperature, the retention time, release was up to high resiliency at 35 minutes
Foaming body；By high resiliency foaming body natural cooling 10 days at room temperature, storage or machine-shaping after product is fully cooled contraction.
By above-mentioned butadiene-styrene rubber and natural rubber and high styrene resin and with the preparation side of closed pore second time of foaming material
Butadiene-styrene rubber made from method and natural rubber and high styrene resin and with physical property such as the following table 3 of closed pore second time of foaming material
It is shown：
Table 3,2 physical property table of embodiment
In conclusion the butadiene-styrene rubber and natural rubber and high styrene resin and with closed pore second time of foaming material, it will
Butadiene-styrene rubber, natural rubber and high styrene resin can preferably compatibility, dispersiveness improvement intermingling material, not reduce object
Property widen using field, the function of butadiene-styrene rubber, natural rubber products surface embossed lines is improved, adds in high styrene resin
Mechanical stiffness is improved, product surface embossing lines is clear；Institute's article of manufacture is nontoxic, tasteless, pollution-free, and product surface needs to press
Wear-resisting on-slip after line, medical treatment, aviation, sports equipment, aquatic sports, the extensive product surface embossing lines of life household are clear at home
Enhance on the materials'use in clear field it is functional, assign product with better ageing-resistant performance, higher hardness and rigidity, more
Big mechanical strength and tearing strength.Using advanced once vulcanization, secondary foaming process processing procedure, ensure and enhance quality simultaneously
Production cost is effectively reduced, promotes competitiveness.
The foregoing descriptions are merely the embodiment using this origination techniques content, any those skilled in the art use this wound
Make done modifications and changes, all belong to the scope of the claims of this creation opinion, and be not limited to those disclosed embodiments.
Claims (6)
1. a kind of butadiene-styrene rubber and natural rubber and high styrene resin and with closed pore second time of foaming material, which is characterized in that by
The component of following weight is made：
Butadiene-styrene rubber 80---100 phr
Natural rubber 15---25 phr
Rubber compound A 15---25 phr
Coagulation glue A is that ratio is 1：1 high styrene resin and the rubber compound of natural rubber；
Stearic acid 1---2 phr
Dispersant 0.5---1.5 phr
Plasticizer 1---2 phr
Zinc oxide 5---8 phr
Antioxidant 2---3 phr
Fire retardant P 5---10 phr
Reinforcing agent 30---50 phr
Naphthenic oil 4006# 5---15 phr
Crosslinking agent 3---5 phr
Assistant crosslinking agent 2---4 phr
Foaming agent 4---6 phr
Carbon black 0-10 phr；
Wherein, the natural rubber is made by natural rubber, stearic acid mastication；The rubber compound A is by high styrene resin, natural
Rubber and stearic acid mastication are made；
The butadiene-styrene rubber and natural rubber and high styrene resin and with the preparation method of closed pore second time of foaming material, including such as
Lower step：
(1) rubber compound A mastications：By in high styrene resin, natural rubber, stearic acid input mixer, 7 kilograms are forced into,
Cold water cooling is persistently filled in kneading 8 minutes during kneading, discharging acquisition rubber compound A when temperature reaches 110 DEG C ± 5 DEG C；It will be kneaded
In glue A input open mills, temperature control is at 80 DEG C ± 5 DEG C, and 2mm stirrings 180 seconds, 2mm thickness, which waves, extracts into corresponding weight point
Other stewing process；
(2) natural rubber mastication：By in natural rubber, stearic acid input mixer, 7 kilograms are forced into, kneading 10 minutes is pinched
Cold water cooling is persistently filled during refining, discharging acquisition natural rubber mastication glue when temperature reaches 110 DEG C ± 5 DEG C；By natural rubber
In mastication glue input open mill, temperature is controlled at 80 DEG C ± 5 DEG C, and 5mm stirrings 180 seconds, 2mm thickness, which waves, extracts into corresponding weight
Stewing process respectively；
(3) it is kneaded：By butadiene-styrene rubber, mastication stand after natural rubber, mastication stand after rubber compound A, stearic acid, point
Powder, plasticizer, zinc oxide, antioxidant, fire retardant P, reinforcing agent, naphthenic oil 4006#, carbon black carry out mixing and obtain mixture,
Mixture is put into mixer, is forced into 7 kilograms, kneading 13 minutes, temperature quickly fills cold water when reaching 125 DEG C ± 5 DEG C
Cooling, when temperature drops to 102 DEG C ± 5 DEG C, adds crosslinking agent, assistant crosslinking agent and foaming agent, kneading 3 minutes, temperature reaches
It discharges at 120 DEG C, obtains rubber compound；Rubber compound is put into mill in open mill, temperature is controlled at 80 DEG C ± 5 DEG C, and first 8mm is thick logical
Twice, then 2mm it is thin it is logical twice, then 5mm it is thick it is logical twice；
(4) calendering is stood：It will be through step（3）Treated, and rubber compound puts into progress 0.5mm thickness calenderings in open mill again, quiet
Put cooling 8 it is small when；
(5) slice is squeezed out：Step (4) will be passed through, and treated, and rubber compound is put into open mill again, and temperature is controlled at 80 DEG C ± 5
DEG C, then mill 600 seconds is again squeezed out rubber compound extruder with speed 2-3 meters per minute, extruder discharging temperature is 85
DEG C, the automatic severing slice conveyer slice of extruder connection weighs, and stands cooling；
(6) sulfur foam is molded：Tablet after step (5) regulates and controls slice is precisely weighed again, is packed into corresponding sulphur
Change machine foam-in-mould, curing temperature is at 135 DEG C ± 5 DEG C, and the retention time, release was up to foaming body and deburring at 30 minutes；It will hair
Foam foaming body is packed into corresponding foaming machine foam-in-mould, blowing temperature at 168 DEG C ± 5 DEG C, the retention time at 35 minutes, release
Up to high resiliency foaming body；By high resiliency foaming body natural cooling 7-10 days at room temperature, enter after product is fully cooled contraction
Storehouse or machine-shaping.
2. butadiene-styrene rubber according to claim 1 and natural rubber and high styrene resin and with closed pore second time of foaming material
Material, it is characterised in that:The carbon black is N550；The dispersant is AT-B；The antioxidant is BHT；The assistant crosslinking agent is
DM；The foaming agent is HH138.
3. butadiene-styrene rubber according to claim 1 or 2 and natural rubber and high styrene resin and with closed pore second time of foaming
Material, it is characterised in that:The plasticizer is paraffin LY-1.
4. butadiene-styrene rubber according to claim 1 or 2 and natural rubber and high styrene resin and with closed pore second time of foaming
Material, it is characterised in that:The reinforcing agent is clay.
5. butadiene-styrene rubber according to claim 1 or 2 and natural rubber and high styrene resin and with closed pore second time of foaming
Material, it is characterised in that：The crosslinking agent is sulphur.
6. butadiene-styrene rubber according to claim 1 and natural rubber and high styrene resin and with closed pore second time of foaming material
Material, it is characterised in that：The step (1), step (2), the mixer used in step (3) are close for 75L diamond shape rachis W type weights
Mill, open mill are 18 inch automatic stirring materials open mills；Open mill used in the step (4) is 16 inch open mills；Step (5) institute
Open mill is 18 inch automatic stirring materials open mills, and extruder is 250 diameter draw ratios 1：8 hot feeding single screw extrusion machines.
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| CN106220909A (en) * | 2016-08-24 | 2016-12-14 | 际华三五三七制鞋有限责任公司 | Wiping slurry grass green rubber and preparation method thereof reprocessed by liberation Foxing strip for rubber shoes slurry |
| CN110003538A (en) * | 2019-04-19 | 2019-07-12 | 东莞市智尔德新型橡塑有限公司 | A kind of blown rubber and preparation method thereof |
| CN112625369A (en) * | 2020-12-25 | 2021-04-09 | 易宝（福建）高分子材料股份公司 | Environment-friendly high-flame-retardant EVM, high styrene resin and EPDM ternary blending secondary foaming material and preparation method thereof |
| CN114031823A (en) * | 2021-11-15 | 2022-02-11 | 南京曼润高分子科技研究院有限公司 | Novel rubber protective floor mat and preparation method thereof |
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| CN1455131A (en) * | 2003-06-05 | 2003-11-12 | 魏昌林 | Elevator balance compensating chain and manufacturing method thereof |
| CN101255242A (en) * | 2008-04-14 | 2008-09-03 | 常州市天晟塑胶化工有限公司 | Butadiene styrene rubber foaming plate and preparation thereof |
| 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 |
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