CN105330920A - Novel butyl rubber and preparation method thereof - Google Patents
Novel butyl rubber and preparation method thereof Download PDFInfo
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- CN105330920A CN105330920A CN201510809042.4A CN201510809042A CN105330920A CN 105330920 A CN105330920 A CN 105330920A CN 201510809042 A CN201510809042 A CN 201510809042A CN 105330920 A CN105330920 A CN 105330920A
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Abstract
The invention relates to rubber composition and discloses novel butyl rubber. The novel butyl rubber comprises components in parts by mass as follows: 100 parts of halogenated diene rubber, 3-10 parts of stearic acid, 1-20 parts of nanoscale titanium dioxide, 2-10 parts of phenolic resin, 1-10 parts of zinc oxide, 0.5-2 parts of a vulcanizing agent and 0.5-1 part of nanoscale silver powder. The vulcanization performance, the mechanical property, the wear resistance, the crosslinking density, the strength, the glossiness and the like of the novel butyl rubber are all improved; meanwhile, the novel butyl rubber has anti-bacterial performance, ultraviolet resistance, ageing resistance and pulverization resistance, has good airtightness and is suitable for being used as a food container.
Description
Technical field
The present invention relates to rubber combination, particularly relate to a kind of novel isoprene-isobutylene rubber.
Background technology
Isoprene-isobutylene rubber (IIR) is first high saturated rubber kind in China Synthetic Rubber Industry development history, is low temperature (about-100 DEG C) multipolymer of iso-butylene and a small amount of isoprene.
The introducing of a small amount of isoprene for the double bond of sulfuration, so that sulfur vulcanization, thus can improve the versatility of isoprene-isobutylene rubber to obtain.Due to structural feature, isoprene-isobutylene rubber has good resistance to air loss, but also has that vulcanization rate is slow, autohension and a deficiency such as mutual viscosity is poor, reactive force between poor compatibility and strengthening agent is poor.
Summary of the invention
The present invention is directed to that butene rubber vulcanization rate in prior art is slow, autohension and the deficiency such as mutual viscosity is poor, reactive force between poor compatibility and strengthening agent is poor, provide a kind of novel isoprene-isobutylene rubber.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
A kind of novel isoprene-isobutylene rubber, comprises following content of component:
Because halogenated dienes rubber has the deficiency of poor compatibility, halogenated dienes rubber and vulcanizing agent, Nano titanium dioxide, nano-scale silver powder is blended, make full use of the nano effect of titanium dioxide and silver powder, nano titanium oxide and nano-silver powder are inserted into elastoprene interbed, improve the curability of rubber, mechanical property, wear resisting property and cross-linking density.Because titanium and silver all have dispersed and catalytic preferably, the cure efficiency of isoprene-isobutylene rubber, the performance such as intensity and glossiness all increases; Simultaneously nano titanium oxide has the functions such as antibacterial, uvioresistant, automatically cleaning, and with halogenated dienes blend rubber, good dispersity, improves anti-aging, the productive technique of rubber greatly; Add nano-silver powder, there is antibacterial ability.The container of the carrying food adopting rubber of the present invention to make has the good stopping property of halo butene rubber, starvation on the one hand, avoids held food oxidized rotten; On the other hand, also there is good germ resistance, effectively extend put the validity period of containing food.
As preferably, halogenated dienes rubber is the brominated butyl rubber of 20 ~ 70 mass parts and the chlorinated butyl rubber of surplus.Halogenated dienes rubber is the mixture of brominated butyl rubber and chlorinated butyl rubber, have that chlorinated butyl rubber heat-resistingly, resistance to is subdued concurrently, airtight, oil resistant and brominated butyl rubber is wear-resisting and the advantage of weather resistance, be applicable to as the sealing member between food carrying container or seal food container.
As preferably, also comprise the nano level montmorillonite of 2 ~ 15 mass parts.Montmorillonite can as packing strengthening agent, tackiness agent, the cohesive force of each component of Reinforced Rubber.
As preferably, the median size of Nano titanium dioxide, nano-scale silver powder and nano level montmorillonite powder is between 50 ~ 2000nm.
As preferably, also comprise the strengthening agent of 20 ~ 100 mass parts.
As preferably, strengthening agent is adopt the white carbon black of silane coupling agent process or modified clay or mica or kaolin or potter's clay.Silane coupling agent treatment process is very simple, is the silane coupling agent dilute solution of 0.5 ~ 1% by concentration, spreads upon clean strengthening agent surface.Silane coupling agent directly as weighting agent, also as binding agent, can add the cohesive force of strengthening agent and rubber molecule.
A preparation method for novel isoprene-isobutylene rubber, comprises the steps:
A. in rubber mixing machine, add the nano-silver powder of the halogenated dienes rubber of 100 mass parts, the stearic acid of 3 ~ 10 mass parts, the Nano titanium dioxide of 1 ~ 20 mass parts, the zinc oxide of 1 ~ 10 mass parts, the vulcanizing agent of 0.5 ~ 2 mass parts and 0.5 ~ 1 mass parts successively;
B., after mixing 20 ~ 120min, white silk glue machine is warming up to 80 ~ 120 DEG C, continues mixing 40 ~ 120min;
C. be cooled to 5 ~ 25 DEG C, in rubber mixing machine, add the resol of 2 ~ 10 mass parts, continue mixing 40 ~ 120min, obtain novel isoprene-isobutylene rubber.
As preferably, in step a, feed intake in process, the rubber roll of rubber mixing machine keeps 10 ~ 100 turns/min to rotate, interval 5 ~ 15min between different material adds.
As preferably, in step a, after adding nano titanium oxide, before adding zinc oxide, also need the nano level montmorillonite adding 2-15 mass parts; In step a, after adding nano-silver powder, also need the strengthening agent adding 20-100 mass parts, strengthening agent is adopt the white carbon black of silane coupling agent process or modified clay or mica or kaolin or potter's clay.
As preferably, after step b, be cooled to 15 ~ 35 DEG C, continue mixing 30 ~ 60min; Be warming up to 90 ~ 110 DEG C again, continue mixing 30 ~ 60min; Be cooled to 25 ~ 45 DEG C, continuing mixing 30 ~ 60min, be warming up to 80 ~ 100 DEG C, continuing mixing 30 ~ 60min.Mixing process, through repeatedly heating up and cooling change process, promotes each component compatibility.
As preferably, on rubber mixing machine, first add a certain amount of halogenated dienes rubber, residue sizing material is slowly added after bag roller, reduce loss of material, be also conducive to material Homogeneous phase mixing, then sequentially add stearic acid, Nano titanium dioxide, nano level montmorillonite, zinc oxide, vulcanizing agent, nano-silver powder and strengthening agent according to amount, mixing of materials evenly, side reaction is little; After hot milling certain hour, after being cooled to room temperature, adding resol, continue mixing evenly after, can tap rubber and obtain novel isoprene-isobutylene rubber.
The present invention is owing to have employed above technical scheme, obtain novel isoprene-isobutylene rubber, owing to adding Nano titanium dioxide, nano-scale silver powder and nano level montmorillonite, improve the hard wear resistant of isoprene-isobutylene rubber itself on the one hand, simultaneously because nano-titanium and nanometer silver have good catalytic effect and dispersiveness, the advantages such as it is high, anti-aging that the isoprene-isobutylene rubber be worth has glossiness, wear-resisting; On the other hand, because nano titanium oxide, nanometer silver have good antibacterial bacteriostatic function, when adopting rubber of the present invention to make food product containers, there is good resistance to air loss and germ resistance, the quality guaranteed period of institute's packing foods can greatly be extended.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1
A kind of novel isoprene-isobutylene rubber, comprises following content of component:
Wherein, halogenated dienes rubber is 55 mass parts brominated butyl rubbers and 45 mass parts chlorinated butyl rubbers, the median size of Nano titanium dioxide, nano-scale silver powder and nano level montmorillonite powder is 100nm, and strengthening agent is the mica of silane coupling agent process, and vulcanizing agent is Sulfur.
Embodiment 2
A kind of novel isoprene-isobutylene rubber, comprises following content of component:
Wherein, halogenated dienes rubber is 70 mass parts brominated butyl rubbers and 30 mass parts chlorinated butyl rubbers, the median size of Nano titanium dioxide, nano-scale silver powder and nano level montmorillonite powder is 50nm, strengthening agent is the white carbon black of silane coupling agent process and the mixture of mica, and vulcanizing agent is Sulfur.
Embodiment 3
A kind of novel isoprene-isobutylene rubber, comprises following content of component:
Wherein, halogenated dienes rubber is 35 mass parts brominated butyl rubbers and 65 mass parts chlorinated butyl rubbers, the median size of Nano titanium dioxide, nano-scale silver powder and nano level montmorillonite powder is 200nm, strengthening agent is the modified clay of silane coupling agent process and kaolinic mixture, and vulcanizing agent is Sulfur.
Embodiment 4
A kind of novel isoprene-isobutylene rubber, comprises following content of component:
Wherein, halogenated dienes rubber is 20 mass parts brominated butyl rubbers and 80 mass parts chlorinated butyl rubbers, the median size of Nano titanium dioxide, nano-scale silver powder and nano level montmorillonite powder is 2000nm, strengthening agent is the mixture of the white carbon black of silane coupling agent process, modified clay and potter's clay, and vulcanizing agent is Sulfur.
Embodiment 5
A preparation method for novel isoprene-isobutylene rubber, comprises the steps:
A. with the formula of embodiment 1, in rubber mixing machine, halogenated dienes rubber, stearic acid, Nano titanium dioxide, nano level montmorillonite, zinc oxide, vulcanizing agent, nano-scale silver powder and strengthening agent is added successively; Feed intake in process, the rubber roll of rubber mixing machine keeps 10 turns/min to rotate, interval 15min between different material adds;
B., after mixing 60min, white silk glue machine is warming up to 110 DEG C, continues mixing 120min;
C. be cooled to 25 DEG C, in rubber mixing machine, add the resol of 8 mass parts, continue mixing 40min, obtain novel isoprene-isobutylene rubber.
Embodiment 6
A preparation method for novel isoprene-isobutylene rubber, comprises the steps:
A. with the formula of embodiment 2, in rubber mixing machine, halogenated dienes rubber, stearic acid, Nano titanium dioxide, zinc oxide, vulcanizing agent and nano-scale silver powder is added successively; Feed intake in process, the rubber roll of rubber mixing machine keeps 60 turns/min to rotate, interval 13min between different material adds;
B., after mixing 20min, white silk glue machine is warming up to 100 DEG C, continues mixing 90min;
C. be cooled to 5 DEG C, in rubber mixing machine, add the resol of 2 mass parts, continue mixing 120min, obtain novel isoprene-isobutylene rubber.
Embodiment 7
A preparation method for novel isoprene-isobutylene rubber, comprises the steps:
A. with the formula of embodiment 3, in rubber mixing machine, halogenated dienes rubber, stearic acid, Nano titanium dioxide, nano level montmorillonite, zinc oxide, vulcanizing agent, nano-scale silver powder and strengthening agent is added successively; Feed intake in process, the rubber roll of rubber mixing machine keeps 30 turns/min to rotate, interval 10min between different material adds;
B., after mixing 120min, white silk glue machine is warming up to 80 DEG C, continues mixing 60min;
C. be cooled to 20 DEG C, in rubber mixing machine, add the resol of 10 mass parts, continue mixing 60min, obtain novel isoprene-isobutylene rubber.
Embodiment 8
A preparation method for novel isoprene-isobutylene rubber, comprises the steps:
A. with the formula of embodiment 4, in rubber mixing machine, halogenated dienes rubber, stearic acid, Nano titanium dioxide, nano level montmorillonite, zinc oxide, vulcanizing agent, nano-scale silver powder and strengthening agent is added successively; Feed intake in process, the rubber roll of rubber mixing machine keeps 100 turns/min to rotate, interval 5min between different material adds;
B., after mixing 80min, white silk glue machine is warming up to 120 DEG C, continues mixing 40min;
C. be cooled to 15 DEG C, in rubber mixing machine, add the resol of 5 mass parts, continue mixing 90min, obtain novel isoprene-isobutylene rubber.
Embodiment 9
Embodiment 9 is identical with embodiment 8, and difference is: after step b, before step c, is cooled to 15 DEG C, continues mixing 60min; Be warming up to 90 DEG C again, continue mixing 60min; Be cooled to 25 DEG C, continuing mixing 60min, be warming up to 100 DEG C, continuing mixing 60min.
Embodiment 10
Embodiment 10 is identical with embodiment 8, and difference is: after step b, before step c, is cooled to 35 DEG C, continues mixing 30min; Be warming up to 110 DEG C again, continue mixing 30min; Be cooled to 45 DEG C, continuing mixing 30min, be warming up to 80 DEG C, continuing mixing 30min.
Embodiment 11
Use the method for embodiment 5 ~ embodiment 10 to prepare isoprene-isobutylene rubber, test its mechanical property respectively, the results are shown in Table 1.
Table 1 mechanical property
Main operation to the bacteriostasis rate of streptococcus aureus: adopt colony counting method.
Get same thickness by sample to be determined, be cut into the disk of culture dish internal diameter size, with substratum simultaneously high-temperature sterilization.After dilution bacterium liquid, get same volume bacterium liquid coating culture medium flat plate, as experimental group and control group.Then sample to be detected is put into experimental group culture dish agar surface, close lid.Experimental group and control group are placed in after constant incubator is cultivated and count.
In a word, the foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (10)
1. a novel isoprene-isobutylene rubber, is characterized in that, comprises following content of component:
2. the novel isoprene-isobutylene rubber of one according to claim 1, is characterized in that, halogenated dienes rubber is the brominated butyl rubber of 20 ~ 70 mass parts and the chlorinated butyl rubber of surplus.
3. the novel isoprene-isobutylene rubber of one according to claim 1, is characterized in that, also comprises the nano level montmorillonite of 2 ~ 15 mass parts.
4. the novel isoprene-isobutylene rubber of one according to claim 3, is characterized in that, the median size of Nano titanium dioxide, nano-scale silver powder and nano level montmorillonite powder is between 50 ~ 2000nm.
5. the novel isoprene-isobutylene rubber of one according to claim 1, is characterized in that, also comprises the strengthening agent of 20 ~ 100 mass parts.
6. the novel isoprene-isobutylene rubber of one according to claim 5, is characterized in that, strengthening agent is adopt the white carbon black of silane coupling agent process or modified clay or mica or kaolin or potter's clay.
7. the method for any one the novel isoprene-isobutylene rubber of preparation described in claim 1 ~ 6, is characterized in that, comprise the steps:
A. in rubber mixing machine, add the nano-silver powder of the halogenated dienes rubber of 100 mass parts, the stearic acid of 3 ~ 10 mass parts, the Nano titanium dioxide of 1 ~ 20 mass parts, the zinc oxide of 1 ~ 10 mass parts, the vulcanizing agent of 0.5 ~ 2 mass parts and 0.5 ~ 1 mass parts successively;
B., after mixing 20 ~ 120min, white silk glue machine is warming up to 80 ~ 120 DEG C, continues mixing 40 ~ 120min;
C. be cooled to 5 ~ 25 DEG C, in rubber mixing machine, add the resol of 2 ~ 10 mass parts, continue mixing 40 ~ 120min, obtain novel isoprene-isobutylene rubber.
8. the preparation method of a kind of novel isoprene-isobutylene rubber according to claim 7, is characterized in that, in step a, feeds intake in process, and the rubber roll of rubber mixing machine keeps 10 ~ 100 turns/min, interval 5 ~ 15min between different material adds.
9. the preparation method of a kind of novel isoprene-isobutylene rubber according to claim 7, it is characterized in that, in step a, after adding nano titanium oxide, before adding zinc oxide, also need the nano level montmorillonite adding 2 ~ 15 mass parts, in step a, after adding nano-silver powder, also need the strengthening agent adding 20 ~ 100 mass parts, strengthening agent is adopt the white carbon black of silane coupling agent process or modified clay or mica or kaolin or potter's clay.
10. the preparation method of a kind of novel isoprene-isobutylene rubber according to claim 7, is characterized in that, after step b, is cooled to 15 ~ 35 DEG C, continues mixing 30 ~ 60min; Be warming up to 90 ~ 110 DEG C again, continue mixing 30 ~ 60min; Be cooled to 25 ~ 45 DEG C, continuing mixing 30 ~ 60min, be warming up to 80 ~ 100 DEG C, continuing mixing 30 ~ 60min.
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| CN201510809042.4A CN105330920B (en) | 2015-11-20 | 2015-11-20 | Butyl rubber and preparation method thereof |
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| CN201510809042.4A CN105330920B (en) | 2015-11-20 | 2015-11-20 | Butyl rubber and preparation method thereof |
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| CN105602133A (en) * | 2016-02-25 | 2016-05-25 | 北京石油化工学院 | Brominated butyl rubber dielectric elastomer composite material and preparation method thereof |
| CN106188905A (en) * | 2016-07-27 | 2016-12-07 | 广西南宁胜祺安科技开发有限公司 | A kind of automobile-used rubber damping material and preparation method thereof |
| CN108034153A (en) * | 2017-12-29 | 2018-05-15 | 梅庆波 | A kind of preparation method of thermo oxidative aging endurance type yielding rubber |
| WO2023033410A1 (en) * | 2021-08-30 | 2023-03-09 | 주식회사 엘지화학 | Antibacterial polymer, and antibacterial polymer film comprising same |
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| CN103435857A (en) * | 2013-08-07 | 2013-12-11 | 山东永泰化工有限公司 | Automobile tire tube rubber |
| CN103849074A (en) * | 2014-03-13 | 2014-06-11 | 苏州市相城区明达复合材料厂 | Sterilizing rubber roller |
| CN105037836A (en) * | 2015-07-14 | 2015-11-11 | 常州市盈顺电子有限公司 | Outer-layer dust removal rubber for rubber tube made from silicon dioxide material and preparation method for outer-layer dust removal rubber |
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| CN103328554A (en) * | 2011-01-25 | 2013-09-25 | 埃克森美孚化学专利公司 | Elastomeric nanocomposites, nanocomposite compositions, and methods of manufacture |
| CN103435857A (en) * | 2013-08-07 | 2013-12-11 | 山东永泰化工有限公司 | Automobile tire tube rubber |
| CN103849074A (en) * | 2014-03-13 | 2014-06-11 | 苏州市相城区明达复合材料厂 | Sterilizing rubber roller |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105602133A (en) * | 2016-02-25 | 2016-05-25 | 北京石油化工学院 | Brominated butyl rubber dielectric elastomer composite material and preparation method thereof |
| CN106188905A (en) * | 2016-07-27 | 2016-12-07 | 广西南宁胜祺安科技开发有限公司 | A kind of automobile-used rubber damping material and preparation method thereof |
| CN108034153A (en) * | 2017-12-29 | 2018-05-15 | 梅庆波 | A kind of preparation method of thermo oxidative aging endurance type yielding rubber |
| WO2023033410A1 (en) * | 2021-08-30 | 2023-03-09 | 주식회사 엘지화학 | Antibacterial polymer, and antibacterial polymer film comprising same |
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Denomination of invention: Butyl rubber and its preparation method Effective date of registration: 20220602 Granted publication date: 20170524 Pledgee: Agricultural Bank of China Limited by Share Ltd. three county sub branch Pledgor: ZHEJIANG SHITAI INDUSTRIAL Co.,Ltd. Registration number: Y2022330000862 |