CN107793601A - Braider belt anti-aging auxiliary agent and preparation method thereof - Google Patents
Braider belt anti-aging auxiliary agent and preparation method thereof Download PDFInfo
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- CN107793601A CN107793601A CN201710999431.7A CN201710999431A CN107793601A CN 107793601 A CN107793601 A CN 107793601A CN 201710999431 A CN201710999431 A CN 201710999431A CN 107793601 A CN107793601 A CN 107793601A
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- preparation
- auxiliary agent
- belt
- braider
- aging auxiliary
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- 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
- C08K3/34—Silicon-containing compounds
-
- 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
- C08K3/38—Boron-containing compounds
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/005—Stabilisers against oxidation, heat, light, ozone
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
- C08K5/19—Quaternary ammonium compounds
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of braider belt anti-aging auxiliary agent and preparation method thereof, the preparation method is：1) diatomite, VTES, aluminium salt, magnesium salts, zirconates, alkali and water are subjected to hydro-thermal reaction, then filter to take filter cake so that hydrothermal product is made；2) hydrothermal product, silicon nitride, boron carbide, DTAC salt are subjected to ball milling so that the anti-aging auxiliary agent of braider belt is made.The auxiliary agent enables to braider belt to have an excellent anti-aging characteristic, while the preparation method has process simple and raw material is easy to get advantage.
Description
Technical field
The present invention relates to anti-aging auxiliary agent, in particular it relates to a kind of braider belt anti-aging auxiliary agent and its preparation side
Method.
Background technology
Braider is very common seam loop.Substantial amounts of belt pulley and belt in braider be present to drive braiding
The operating of machine.Existing belt is generally rubber strip, primary raw material can be natural rubber, polybutadiene rubber, styrene-
Butadiene rubber, ethylene propylene diene rubber, neoprene, CSM, nitrile rubber and hydrogenated nitrile-butadiene rubber
Deng.Although existing belt has excellent tensile strength, appropriate hardness, pliability, elasticity, good flexibility and larger
Impact resistance, but due to belt run at high speed so that cause belt pulley surface produce high temperature, thus braider belt is past
Toward surface aging and then it is caused to produce fracture.
The content of the invention
It is an object of the invention to provide a kind of braider belt anti-aging auxiliary agent and preparation method thereof, the auxiliary agent can make
Braider belt has an excellent anti-aging characteristic, while the preparation method has process simple and raw material is easy to get advantage.
To achieve these goals, should the invention provides a kind of preparation method of the anti-aging auxiliary agent of braider belt
Preparation method is：
1) diatomite, VTES, aluminium salt, magnesium salts, zirconates, alkali and water are subjected to hydro-thermal reaction, then
Filter cake is filtered to take so that hydrothermal product is made；
2) hydrothermal product, silicon nitride, boron carbide, DTAC salt are subjected to ball milling so that braider is made
The anti-aging auxiliary agent of belt.
Passed through present invention also offers a kind of braider belt with anti-aging auxiliary agent, the braider belt with anti-aging auxiliary agent
Above-mentioned preparation method is prepared.
In the above-mentioned technical solutions, the present invention passes through auxiliary agent energy made from the collective effect of each raw material and each step
Enough improve braider belt ageing resistace, while the preparation method has process simple and raw material is easy to get advantage.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Embodiment
The embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The invention provides a kind of preparation method of the anti-aging auxiliary agent of braider belt, the preparation method is：
1) diatomite, VTES, aluminium salt, magnesium salts, zirconates, alkali and water are subjected to hydro-thermal reaction, then
Filter cake is filtered to take so that hydrothermal product is made；
2) hydrothermal product, silicon nitride, boron carbide, DTAC salt are subjected to ball milling so that braider is made
The anti-aging auxiliary agent of belt.
In the step 1) of the present invention, the dosage of each material can select in wide scope, but in order that obtained
Auxiliary agent can further improve the ageing resistace of braider belt, it is preferable that in step 1), diatomite, the second of vinyl three
TMOS, aluminium salt, magnesium salts, zirconates, alkali and be 100 with the weight ratio of water：8-12：2-3：2-3：1-1.5：5-10：150-
200。
In the step 1) of the present invention, diatomaceous average grain diameter can select in wide scope, but in order that system
The auxiliary agent obtained can further improve the ageing resistace of braider belt, it is preferable that in step 1), diatomaceous average grain
Footpath is 0.08-0.15mm.
In the step 1) of the present invention, the specific species of various salt can select in wide scope, but in order that system
The auxiliary agent obtained can further improve the ageing resistace of braider belt, it is preferable that in step 1), aluminium salt is selected from nitric acid
At least one of aluminium, aluminium chloride and aluminum sulfate；Magnesium salts is selected from least one of magnesium nitrate, magnesium chloride and magnesium sulfate；Zirconates
Selected from least one of zirconium nitrate, zirconium chloride and zirconium sulfate.
In the step 1) of the present invention, the specific species of alkali can select in wide scope, but in order that obtained
Auxiliary agent can further improve the ageing resistace of braider belt, it is preferable that in step 1), alkali is selected from sodium hydroxide and hydrogen
At least one of potassium oxide.
In the step 1) of the present invention, the condition of hydro-thermal reaction can select in wide scope, but in order that be made
Auxiliary agent can further improve the ageing resistace of braider belt, it is preferable that in step 1), the condition of hydro-thermal reaction
For：System is first warming up to 55-65 DEG C from the 15-25 DEG C of speed with 1.5-2 DEG C/min and is incubated 1-2h, then with 0.8-1.4
DEG C/min speed is warming up to 120-125 DEG C and is incubated 3-5h.
In the step 2) of the present invention, the dosage of each material can select in wide scope, but in order that obtained
Auxiliary agent can further improve the ageing resistace of braider belt, it is preferable that in step 2), hydrothermal product, silicon nitride, carbon
Change boron, the weight ratio of DTAC salt is 10：0.5-1.2：0.3-0.7：5-8.
In the step 2) of the present invention, the condition of ball milling can select in wide scope, but in order that obtained help
Agent can further improve the ageing resistace of braider belt, it is preferable that in step 2), ball milling is：Big ball and bead
Mass ratio is 2：The mass ratio of 0.8-1.2, abrading-ball and material is 20：0.8-1.2, rotating speed 1800-2000rpm, Ball-milling Time
For 40-60min.
Passed through present invention also offers a kind of braider belt with anti-aging auxiliary agent, the braider belt with anti-aging auxiliary agent
Above-mentioned preparation method is prepared.
The present invention will be described in detail by way of examples below.
Embodiment 1
1) by diatomite (average grain diameter 0.12mm), VTES, aluminium salt (aluminum nitrate), magnesium salts (nitre
Sour magnesium), zirconates (zirconium nitrate), alkali (sodium hydroxide) and water is according to 100：10：2.5：2.4：1.3：8：180 weight ratio enters water-filling
System (is first warming up to 59 DEG C from 20 DEG C of speed with 1.8 DEG C/min and is incubated 1.5h, then with 1.2 DEG C/min's by thermal response
Speed is warming up to 123 DEG C and is incubated 4h), filter cake is then filtered to take so that hydrothermal product is made；
2) by the hydrothermal product, silicon nitride, boron carbide, DTAC salt according to 10：0.9：0.5：6
Weight than carry out ball milling (mass ratio of big ball and bead be 2：1, the mass ratio of abrading-ball and material is 20：1, rotating speed is
1900rpm, Ball-milling Time 50min) with the obtained anti-aging auxiliary agent A 1 of the braider belt.
Embodiment 2
1) by diatomite (average grain diameter 0.08mm), VTES, aluminium salt (aluminium chloride), magnesium salts (chlorine
Change magnesium), zirconates (zirconium chloride), alkali (potassium hydroxide) and water is according to 100：8-12：2：2：1：5：150 weight is more anti-than carrying out hydro-thermal
(system first should be warming up to 55 DEG C from 15 DEG C of speed with 1.5 DEG C/min and be incubated 1h, then with 0.8 DEG C/min speed liter
Temperature is to 120 DEG C and is incubated 3h), filter cake is then filtered to take so that hydrothermal product is made；
2) by the hydrothermal product, silicon nitride, boron carbide, DTAC salt according to 10：0.5：0.3：5
Weight than carry out ball milling (mass ratio of big ball and bead be 2：0.8, the mass ratio of abrading-ball and material is 20：0.8, rotating speed is
1800rpm, Ball-milling Time 40min) with the obtained anti-aging auxiliary agent A 2 of the braider belt.
Embodiment 3
1) by diatomite (average grain diameter 0.15mm), VTES, aluminium salt (aluminum sulfate), magnesium salts (sulphur
Sour magnesium), zirconates (zirconium sulfate), alkali (potassium hydroxide) and water is according to 100：12：3：3：1.5：10：200 weight is than carrying out hydro-thermal
System (is first warming up to 65 DEG C from 25 DEG C of speed with 2 DEG C/min and is incubated 2h, then with 1.4 DEG C/min speed liter by reaction
Temperature is to 125 DEG C and is incubated 5h), filter cake is then filtered to take so that hydrothermal product is made；
2) by the hydrothermal product, silicon nitride, boron carbide, DTAC salt according to 10：1.2：0.7：8
Weight than carry out ball milling (mass ratio of big ball and bead be 2：1.2, the mass ratio of abrading-ball and material is 20：1.2, rotating speed is
2000rpm, Ball-milling Time 60min) with the obtained anti-aging auxiliary agent A 3 of the braider belt.
Comparative example 1
Method according to embodiment 1 carries out that the anti-aging auxiliary agent B 1 of braider belt is made, unlike, step 2) does not make
Use hydrothermal product.
Comparative example 2
Method according to embodiment 1 carries out that the anti-aging auxiliary agent B 2 of braider belt is made, unlike, step 2) is not entered
Row ball milling.
Comparative example 3
Method according to embodiment 1 carries out that the anti-aging auxiliary agent B 3 of braider belt is made, unlike, step 1) does not make
Use aluminium salt.
Comparative example 4
Method according to embodiment 1 carries out that the anti-aging auxiliary agent B 4 of braider belt is made, unlike, step 1) does not make
Use magnesium salts.
Comparative example 5
Method according to embodiment 1 carries out that the anti-aging auxiliary agent B 5 of braider belt is made, unlike, step 1) does not make
Use zirconates.
Application examples 1
By isoprene rubber, sulphur, trbasic zinc phosphate, vaseline, stearic acid and above-mentioned anti-aging auxiliary agent according to 100：4：14：35：
16：23 weight ratio is kneaded (melting temperature is 180 DEG C, mixing time 5h), and then curing molding is with obtained braider
Belt.
Detect example 1
By the installation of above-mentioned braider belt over pulleys carried, then carry out rotating up to braider with 1000rpm speed
Belt produces slight crack or fracture, and records service life, as a result as shown in table 1.
Table 1
| Anti-aging auxiliary agent | A1 | A2 | A3 | B1 | B2 | B3 | B4 | B5 |
| Service life/day | 125 | 119 | 110 | 65 | 102 | 88 | 86 | 90 |
The preferred embodiment of the present invention described in detail above, still, the present invention are not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (9)
1. a kind of preparation method of the anti-aging auxiliary agent of braider belt, it is characterised in that the preparation method is：
1) diatomite, VTES, aluminium salt, magnesium salts, zirconates, alkali and water are subjected to hydro-thermal reaction, then filtered
Filter cake is taken so that hydrothermal product is made；
2) hydrothermal product, silicon nitride, boron carbide, DTAC salt are subjected to ball milling so that the volume is made
The anti-aging auxiliary agent of loom belt.
2. preparation method according to claim 1, wherein, in step 1), the diatomite, vinyl triethoxyl silicon
Alkane, aluminium salt, magnesium salts, zirconates, alkali and be 100 with the weight ratio of water：8-12：2-3：2-3：1-1.5：5-10：150-200.
3. preparation method according to claim 1, wherein, in step 1), the diatomaceous average grain diameter is 0.08-
0.15mm。
4. preparation method according to claim 1, wherein, in step 1), the aluminium salt be selected from aluminum nitrate, aluminium chloride and
At least one of aluminum sulfate；The magnesium salts is selected from least one of magnesium nitrate, magnesium chloride and magnesium sulfate；The zirconates is selected from
At least one of zirconium nitrate, zirconium chloride and zirconium sulfate.
5. preparation method according to claim 1, wherein, in step 1), the alkali is selected from sodium hydroxide and hydroxide
At least one of potassium.
6. preparation method according to claim 1, wherein, in step 1), the condition of the hydro-thermal reaction is：First by body
System is warming up to 55-65 DEG C from the 15-25 DEG C of speed with 1.5-2 DEG C/min and is incubated 1-2h, then with 0.8-1.4 DEG C/min speed
Rate is warming up to 120-125 DEG C and is incubated 3-5h.
7. according to the preparation method described in any one in claim 1-6, wherein, in step 2), the hydrothermal product, nitrogen
SiClx, boron carbide, the weight ratio of DTAC salt are 10：0.5-1.2：0.3-0.7：5-8.
8. preparation method according to claim 7, wherein, in step 2), the ball milling is：The quality of big ball and bead
Than for 2：The mass ratio of 0.8-1.2, abrading-ball and material is 20：0.8-1.2, rotating speed 1800-2000rpm, Ball-milling Time 40-
60min。
9. the anti-aging auxiliary agent of a kind of braider belt, it is characterised in that the braider belt passes through power with anti-aging auxiliary agent
Profit requires that the preparation method in 1-8 described in any one is prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710999431.7A CN107793601A (en) | 2017-10-24 | 2017-10-24 | Braider belt anti-aging auxiliary agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710999431.7A CN107793601A (en) | 2017-10-24 | 2017-10-24 | Braider belt anti-aging auxiliary agent and preparation method thereof |
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| CN107793601A true CN107793601A (en) | 2018-03-13 |
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| CN201710999431.7A Pending CN107793601A (en) | 2017-10-24 | 2017-10-24 | Braider belt anti-aging auxiliary agent and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108623944A (en) * | 2018-05-23 | 2018-10-09 | 芜湖航天特种电缆厂股份有限公司 | Attapulgite modified cable cover(ing) of uvioresistant and preparation method thereof |
| CN108659395A (en) * | 2018-05-23 | 2018-10-16 | 芜湖航天特种电缆厂股份有限公司 | Bentonite modified cable cover(ing) of uvioresistant and preparation method thereof |
| CN108690283A (en) * | 2018-05-23 | 2018-10-23 | 芜湖航天特种电缆厂股份有限公司 | Uvioresistant algae clay is modified cable cover(ing) and preparation method thereof |
| CN108727732A (en) * | 2018-05-23 | 2018-11-02 | 芜湖航天特种电缆厂股份有限公司 | Uvioresistant vermiculite is modified cable cover(ing) and preparation method thereof |
| CN108822427A (en) * | 2018-05-23 | 2018-11-16 | 芜湖航天特种电缆厂股份有限公司 | Modified cable cover(ing) of uvioresistant volcanic ash and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06256587A (en) * | 1993-03-08 | 1994-09-13 | Bando Chem Ind Ltd | Endless belt for carrying papers |
| CN1837641A (en) * | 2005-03-16 | 2006-09-27 | 三之星机带株式会社 | Rubber composition for power drive belt and power drive belt made thereof |
| CN101481473A (en) * | 2008-01-07 | 2009-07-15 | 严晓敏 | Rubber composition and product thereof |
| CN106745118A (en) * | 2016-12-30 | 2017-05-31 | 洛阳中超新材料股份有限公司 | A kind of magnalium hydrotalcite and the method for preparing magnalium hydrotalcite |
| CN107189321A (en) * | 2017-06-20 | 2017-09-22 | 安徽悦尔伟塑料机械有限公司 | TPE/PVAC composite fresh-keeping lids and preparation method thereof |
-
2017
- 2017-10-24 CN CN201710999431.7A patent/CN107793601A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06256587A (en) * | 1993-03-08 | 1994-09-13 | Bando Chem Ind Ltd | Endless belt for carrying papers |
| CN1837641A (en) * | 2005-03-16 | 2006-09-27 | 三之星机带株式会社 | Rubber composition for power drive belt and power drive belt made thereof |
| CN101481473A (en) * | 2008-01-07 | 2009-07-15 | 严晓敏 | Rubber composition and product thereof |
| CN106745118A (en) * | 2016-12-30 | 2017-05-31 | 洛阳中超新材料股份有限公司 | A kind of magnalium hydrotalcite and the method for preparing magnalium hydrotalcite |
| CN107189321A (en) * | 2017-06-20 | 2017-09-22 | 安徽悦尔伟塑料机械有限公司 | TPE/PVAC composite fresh-keeping lids and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108623944A (en) * | 2018-05-23 | 2018-10-09 | 芜湖航天特种电缆厂股份有限公司 | Attapulgite modified cable cover(ing) of uvioresistant and preparation method thereof |
| CN108659395A (en) * | 2018-05-23 | 2018-10-16 | 芜湖航天特种电缆厂股份有限公司 | Bentonite modified cable cover(ing) of uvioresistant and preparation method thereof |
| CN108690283A (en) * | 2018-05-23 | 2018-10-23 | 芜湖航天特种电缆厂股份有限公司 | Uvioresistant algae clay is modified cable cover(ing) and preparation method thereof |
| CN108727732A (en) * | 2018-05-23 | 2018-11-02 | 芜湖航天特种电缆厂股份有限公司 | Uvioresistant vermiculite is modified cable cover(ing) and preparation method thereof |
| CN108822427A (en) * | 2018-05-23 | 2018-11-16 | 芜湖航天特种电缆厂股份有限公司 | Modified cable cover(ing) of uvioresistant volcanic ash and preparation method thereof |
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Application publication date: 20180313 |