CN109133151A - A method of preparing sealing ring zinc oxide - Google Patents
A method of preparing sealing ring zinc oxide Download PDFInfo
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- CN109133151A CN109133151A CN201811283720.8A CN201811283720A CN109133151A CN 109133151 A CN109133151 A CN 109133151A CN 201811283720 A CN201811283720 A CN 201811283720A CN 109133151 A CN109133151 A CN 109133151A
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- zinc oxide
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- sealing ring
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G9/00—Compounds of zinc
- C01G9/02—Oxides; Hydroxides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention discloses a kind of method for preparing sealing ring zinc oxide.Method includes the following steps: weighing following components in parts by weight；Polyethylene and plasticizer are mixed, obtain mixture A within plastics processing 10-15 minutes；Common zinc oxide, chitosan, nano-titanium dioxide, Nano carbon white are mixed in investment Muffle furnace and are sintered 1-2 hours, is transferred in ball mill and grinds mixture B；Mixture B, mixture A, phthalate ester coupling agent are mixed, puts into ball mill and is stirred with the speed of 120-180rpm, obtain material A；Material A is transferred in calcining furnace and is calcined to get required zinc oxide.The method of the present invention for improving common zinc oxide sulfurate activity, it is easy to operate, effect is obvious, in the crosslink density for ensuring vulcanized rubber, the rate of cure of natural rubber can be significantly improved, reduces the usage amount of zinc oxide in formula, in addition, it is added to Nano carbon white in formula, gained zinc oxide lubricity is good, and wearability is strong.
Description
Technical field
The invention belongs to sealing ring preparation technical fields, and in particular to a method of prepare sealing ring zinc oxide.
Background technique
Zinc oxide is widely used in the life of natural rubber products as the most common vulcanizing activator of caoutchouc vulcanization
It produces, since caoutchouc vulcanization process is extremely complex, so far, can not still specify what side promotor and zinc oxide pass through
Formula promotes Sulfur to be crosslinked natural rubber strand, essential zinc oxide especially in vulcanizing system, in natural rubber
How to play a role and is still unclear in glue sulfidation.The existing research about activated zinc oxide is more, gained active oxidation
The problem of zinc, is many, and the activated zinc oxide for being difficult to find high comprehensive performance meets people's production and living needs.
Application number 201610531155.7 discloses a kind of high-activity nano zinc oxide preparation method, the following steps are included:
It weighs zinc sulfate to be put into beaker, deionized water is added, stirred at room temperature to being completely dissolved；Potassium carbonate is added, stirs at room temperature
To fully reacting, it is centrifuged to obtain white depositions Zn5(CO3)2(OH)6；Above-mentioned sediment is poured into three-necked flask, takes dimethylamino
Sulfonic acid chloride, 1 vinyltriethoxysilane, hydroxy propyl methacrylate, hydroxymethyl diethyl phosphonate, diethylenetriamine five are sub-
There-necked flask is added in methylphosphonic acid sodium, and magnetic agitation vacuumizes；Mixed liquor in there-necked flask is heated, and is kept the temperature；To obtained mixture
Middle addition dehydrated alcohol, is centrifuged to obtain sediment, uses dehydrated alcohol again, is centrifuged, dry, obtains nano zine oxide raw material.This
It is small to invent big Particle Size of Nanometer ZnO obtained, bad dispersibility, draw ratio, improves its specific surface area and chemical activity.It is such
The bad dispersibility of nano zine oxide can cause sealing ring quality uneven if being used for the preparation of rubber seal, and weatherability becomes
The problem of difference occurs.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of method for preparing sealing ring zinc oxide,
This method step is simple, low for equipment requirements, and gained zinc oxide plays good facilitation to the preparation of rubber seal, drop
The low preparation cost of rubber seal.
A method of preparing sealing ring zinc oxide, comprising the following steps:
Step 1, following components is weighed in parts by weight: 50-75 parts of common zinc oxide, 10-18 parts of nano-titanium dioxide, chitosan
1-4 parts, 2-5 parts of phthalate ester coupling agent, 5-8 parts of Nano carbon white, 5-15 parts of polyethylene, 1-3 parts of plasticizer；
Step 2, polyethylene and plasticizer are mixed, obtains mixture A within plastics processing 10-15 minutes；
Step 3, common zinc oxide, chitosan, nano-titanium dioxide, Nano carbon white are mixed in investment Muffle furnace and is sintered 1-2
Hour, it is transferred in ball mill and grinds mixture B；
Step 4, mixture B, mixture A, phthalate ester coupling agent are mixed, puts into ball mill and is stirred with the speed of 120-180rpm
It mixes, obtains material A；
Step 5, material A is transferred in calcining furnace and is calcined to get required zinc oxide.
Being as improved further includes 1-3 parts of rare-earth stabilizer in step 1.
Further improved to be, the rare-earth stabilizer is neodymia or tellurium oxide.
It is that the temperature of plastics processing is 150-180 DEG C in step 2 as improved.
Sintering temperature is 400-500 DEG C in step 3.
It calcines in step 5 and carries out under vacuum conditions, the vacuum degree of the vacuum environment is 0.15-0.18MPa, calcining temperature
Degree is 120-150 DEG C.
The utility model has the advantages that
The method of the present invention for improving common zinc oxide sulfurate activity, easy to operate, effect is obvious, is ensuring vulcanized rubber
Crosslink density in the case of, can significantly improve the rate of cure of natural rubber, reduce the usage amount of zinc oxide in formula, separately
Outside, it is added to Nano carbon white in formula, gained zinc oxide lubricity is good, and wearability is strong.
Specific embodiment
The present invention is further described in detail below by specific embodiment.
Embodiment 1
A method of preparing sealing ring zinc oxide, comprising the following steps:
Step 1, following components is weighed in parts by weight: 50 parts of common zinc oxide, 10 parts of nano-titanium dioxide, 1 part of chitosan, phthalein
2 parts of acid esters coupling agent, 5 parts of Nano carbon white, 5 parts of polyethylene, 1 part of plasticizer；
Step 2, polyethylene and plasticizer are mixed, obtains mixture A within plastics processing 10 minutes；
Step 3, common zinc oxide, chitosan, nano-titanium dioxide, Nano carbon white are mixed in investment Muffle furnace and is sintered 1-2
Hour, it is transferred in ball mill and grinds mixture B；
Step 4, mixture B, mixture A, phthalate ester coupling agent are mixed, put into ball mill and is stirred with the speed of 120rpm,
Obtain material A；
Step 5, material A is transferred in calcining furnace and is calcined to get required zinc oxide.
Wherein, the temperature of plastics processing is 150 DEG C in step 2.
Sintering temperature is 400 DEG C in step 3.
It calcines in step 5 and carries out under vacuum conditions, the vacuum degree of the vacuum environment is 0.15MPa, and calcination temperature is
120℃。
Above-mentioned zinc oxide is used to prepare sealing ring, vulcanization characteristics T10 2.18min, gained sealing ring pull apart elongation
Rate is 658.51%, and 300% stretches surely for 7.65MPa, and wear resistance is good.For relatively existing sealing ring preparation, present invention oxidation
The usage amount of zinc reduces 15%.
Embodiment 2
A method of preparing sealing ring zinc oxide, comprising the following steps:
Step 1, following components is weighed in parts by weight: 68 parts of common zinc oxide, 15 parts of nano-titanium dioxide, 3 parts of chitosan, phthalein
4 parts of acid esters coupling agent, 6 parts of Nano carbon white, 12 parts of polyethylene, 2 parts of plasticizer；
Step 2, polyethylene and plasticizer are mixed, obtains mixture A within plastics processing 12 minutes；
Step 3, sintering 2 in common zinc oxide, chitosan, nano-titanium dioxide, Nano carbon white mixing investment Muffle furnace is small
When, it is transferred in ball mill and grinds mixture B；
Step 4, mixture B, mixture A, phthalate ester coupling agent are mixed, put into ball mill and is stirred with the speed of 150rpm,
Obtain material A；
Step 5, material A is transferred in calcining furnace and is calcined to get required zinc oxide.
Wherein, the temperature of plastics processing is 170 DEG C in step 2.
Sintering temperature is 480 DEG C in step 3.
It calcines in step 5 and carries out under vacuum conditions, the vacuum degree of the vacuum environment is 0.16MPa, and calcination temperature is
130℃。
Above-mentioned zinc oxide is used to prepare sealing ring, vulcanization characteristics T10 2.08min, gained sealing ring pull apart elongation
Rate is 648.51%, and 300% stretches surely for 7.85MPa, and wear resistance is good.For relatively existing sealing ring preparation, present invention oxidation
The usage amount of zinc reduces 18%.
Embodiment 3
A method of preparing sealing ring zinc oxide, comprising the following steps:
Step 1, following components is weighed in parts by weight: 75 parts of common zinc oxide, 18 parts of nano-titanium dioxide, 4 parts of chitosan, phthalein
5 parts of acid esters coupling agent, 8 parts of Nano carbon white, 15 parts of polyethylene, 3 parts of plasticizer；
Step 2, polyethylene and plasticizer are mixed, obtains mixture A within plastics processing 10-15 minutes；
Step 3, common zinc oxide, chitosan, nano-titanium dioxide, Nano carbon white are mixed in investment Muffle furnace and is sintered 1-2
Hour, it is transferred in ball mill and grinds mixture B；
Step 4, mixture B, mixture A, phthalate ester coupling agent are mixed, put into ball mill and is stirred with the speed of 180rpm,
Obtain material A；
Step 5, material A is transferred in calcining furnace and is calcined to get required zinc oxide.
Wherein, the temperature of plastics processing is 180 DEG C in step 2.
Sintering temperature is 500 DEG C in step 3.
It calcines in step 5 and carries out under vacuum conditions, the vacuum degree of the vacuum environment is 0.18MPa, and calcination temperature is
150℃。
Above-mentioned zinc oxide is used to prepare sealing ring, vulcanization characteristics T10 2.32min, gained sealing ring pull apart elongation
Rate is 650.51%, and 300% stretches surely for 7.45MPa, and wear resistance is good.For relatively existing sealing ring preparation, present invention oxidation
The usage amount of zinc reduces 12%.
Embodiment 4
In addition to rare-earth stabilizer is added in step 1, remaining is the same as embodiment 2.
Above-mentioned zinc oxide is used to prepare sealing ring, vulcanization characteristics T10 1.98min, gained sealing ring pull apart elongation
Rate is 645.51%, and 300% stretches surely for 7.86MPa, and wear resistance is good.For relatively existing sealing ring preparation, present invention oxidation
The usage amount of zinc reduces 25%.
The method of the present invention for improving common zinc oxide sulfurate activity, easy to operate, effect is obvious, is ensuring to vulcanize
In the case of the crosslink density of rubber, the rate of cure of natural rubber can be significantly improved, reduces the usage amount of zinc oxide in formula,
In addition, being added to Nano carbon white in formula, gained zinc oxide lubricity is good, and wearability is strong.
The foregoing is only a preferred embodiment of the present invention, the scope of protection of the present invention is not limited to this, it is any ripe
Know those skilled in the art within the technical scope of the present disclosure, the letter for the technical solution that can be become apparent to
Altered or equivalence replacement are fallen within the protection scope of the present invention.
Claims (6)
1. a kind of method for preparing sealing ring zinc oxide, which comprises the following steps: step 1, claim in parts by weight
Take following components: 50-75 parts of common zinc oxide, 10-18 parts of nano-titanium dioxide, 1-4 parts of chitosan, phthalate ester coupling agent 2-5
Part, 5-8 parts of Nano carbon white, 5-15 parts of polyethylene, 1-3 parts of plasticizer；Step 2, polyethylene and plasticizer are mixed, at plasticizing
Obtain mixture A within reason 10-15 minutes；Step 3, common zinc oxide, chitosan, nano-titanium dioxide, Nano carbon white are mixed and is thrown
Enter in Muffle furnace and be sintered 1-2 hours, is transferred in ball mill and grinds mixture B；Step 4, by mixture B, mixture A, phthalate ester
Coupling agent mixing, is put into ball mill and is stirred with the speed of 120-180rpm, obtain material A；Step 5, material A is transferred to calcining furnace
Middle calcining is to get required zinc oxide.
2. a kind of method for preparing sealing ring zinc oxide according to claim 1, which is characterized in that also wrapped in step 1
Include 1-3 parts of rare-earth stabilizer.
3. a kind of method for preparing sealing ring zinc oxide according to claim 2, which is characterized in that described rare earth-stabilized
Agent is neodymia or tellurium oxide.
4. a kind of method for preparing sealing ring zinc oxide according to claim 1, which is characterized in that be plasticized in step 2
The temperature of processing is 150-180 DEG C.
5. a kind of method for preparing sealing ring zinc oxide according to claim 1, which is characterized in that be sintered in step 3
Temperature is 400-500 DEG C.
6. a kind of method for preparing sealing ring zinc oxide according to claim 1, which is characterized in that calcined in step 5
It carries out under vacuum conditions, the vacuum degree of the vacuum environment is 0.15-0.18MPa, and calcination temperature is 120-150 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811283720.8A CN109133151A (en) | 2018-10-31 | 2018-10-31 | A method of preparing sealing ring zinc oxide |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811283720.8A CN109133151A (en) | 2018-10-31 | 2018-10-31 | A method of preparing sealing ring zinc oxide |
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| CN109133151A true CN109133151A (en) | 2019-01-04 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1101327A (en) * | 1994-08-11 | 1995-04-12 | 重庆化肥矿山工业公司 | Process for producing high-dispersivity active zinc oxide |
| WO2004106237A1 (en) * | 2003-05-30 | 2004-12-09 | Lanxess Deutschland Gmbh | Method for the production of spherical zinc oxide particles |
| TW200909357A (en) * | 2007-08-24 | 2009-03-01 | Diamond Polymer Science Co Ltd | Zinc oxide modification and manufacturing method |
| EP2157053A1 (en) * | 2008-07-30 | 2010-02-24 | IBU-tec advanced materials AG | Zinc oxide particle, zinc oxide powder and use of same |
| CN103694518A (en) * | 2013-12-04 | 2014-04-02 | 铜陵日兴电子有限公司 | Oxidation resisting compounded rubber capacitor sealing ring and preparation method thereof |
| CN105017564A (en) * | 2015-07-20 | 2015-11-04 | 中国热带农业科学院农产品加工研究所 | Method for improving zinc oxide sulfuration activity |
| CN105985537A (en) * | 2015-01-30 | 2016-10-05 | 重庆君卓机械有限公司 | Wear-resistant rubber sealing ring |
| CN106366701A (en) * | 2016-08-24 | 2017-02-01 | 江苏爱特恩高分子材料有限公司 | Preparation method of high-dispersed zinc oxide |
| CN106397890A (en) * | 2016-08-31 | 2017-02-15 | 河南恒发橡塑制品有限公司 | Environment-friendly antibacterial rubber for automobile interior and exterior decoration and preparation method thereof |
| CN107265494A (en) * | 2017-06-06 | 2017-10-20 | 安徽锦华氧化锌有限公司 | A kind of modified nano zinc oxide |
-
2018
- 2018-10-31 CN CN201811283720.8A patent/CN109133151A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1101327A (en) * | 1994-08-11 | 1995-04-12 | 重庆化肥矿山工业公司 | Process for producing high-dispersivity active zinc oxide |
| WO2004106237A1 (en) * | 2003-05-30 | 2004-12-09 | Lanxess Deutschland Gmbh | Method for the production of spherical zinc oxide particles |
| TW200909357A (en) * | 2007-08-24 | 2009-03-01 | Diamond Polymer Science Co Ltd | Zinc oxide modification and manufacturing method |
| EP2157053A1 (en) * | 2008-07-30 | 2010-02-24 | IBU-tec advanced materials AG | Zinc oxide particle, zinc oxide powder and use of same |
| CN103694518A (en) * | 2013-12-04 | 2014-04-02 | 铜陵日兴电子有限公司 | Oxidation resisting compounded rubber capacitor sealing ring and preparation method thereof |
| CN105985537A (en) * | 2015-01-30 | 2016-10-05 | 重庆君卓机械有限公司 | Wear-resistant rubber sealing ring |
| CN105017564A (en) * | 2015-07-20 | 2015-11-04 | 中国热带农业科学院农产品加工研究所 | Method for improving zinc oxide sulfuration activity |
| CN106366701A (en) * | 2016-08-24 | 2017-02-01 | 江苏爱特恩高分子材料有限公司 | Preparation method of high-dispersed zinc oxide |
| CN106397890A (en) * | 2016-08-31 | 2017-02-15 | 河南恒发橡塑制品有限公司 | Environment-friendly antibacterial rubber for automobile interior and exterior decoration and preparation method thereof |
| CN107265494A (en) * | 2017-06-06 | 2017-10-20 | 安徽锦华氧化锌有限公司 | A kind of modified nano zinc oxide |
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Application publication date: 20190104 |