CN104693544A - Anti-icing agent with low adhesive force on surface of conveyer belt - Google Patents
Anti-icing agent with low adhesive force on surface of conveyer belt Download PDFInfo
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- CN104693544A CN104693544A CN201510065396.2A CN201510065396A CN104693544A CN 104693544 A CN104693544 A CN 104693544A CN 201510065396 A CN201510065396 A CN 201510065396A CN 104693544 A CN104693544 A CN 104693544A
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- ice
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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 an anti-icing agent with low adhesive force on the surface of a conveyer belt and belongs to the field of deicing of a rubber surface. Aiming at the problems that ice is frozen on surfaces of a few of rubber products and is difficult to remove, an original formula is improved from the four ideas as follows: surface energy of material is reduced; the substances with low surface energy are added; a few of substances capable of reducing the surface friction coefficient of the material are added; anti-icing sustained-release preparations are added; and formation of ice can be effectively blocked by addition of the anti-icing sustained-release preparations (mainly oily substances with low molecular weight). Self-lubricating materials of a liquid like layer (liquid like layer) mainly are water-absorbing materials, and can instantaneously adsorb a certain amount of water from the environment; the condition that water is not iced at an extremely low temperature (-35 DEG C) can be ensured; the water can play a self-lubricating role; and the adhesion strength between rubber and ice is instantaneously reduced. After the formula of the anti-icing agent is improved, the adhesion strength between a sample and ice is reduced, and removal of ice from the rubber surface is facilitated.
Description
Technical field
The present invention relates to a kind of principles of formulation design and thinking, this rubber surface has has lower adhesion strength with ice, thus makes the ice of rubber surface easily come off or remove.
Background technology
Some rubber items can use in the winter of cold, if these rubber items contact with water or encounter sleety weather when using out of doors, rubber article can be coagulated and be iced up, and has influence on the normal use of rubber item.
Under normal circumstances, icing is difficult to be eliminated, and the measure mainly taked at present has three kinds: one. mechanical deicing's method; Although this method is effective, usually a large amount of manpower and materials to be consumed.Two. heating deicing method; The method is simple to operate, effective, but heating installation easily damages, and persistence is poor.Three. spray chemical reagent; Routine sprays the salts such as sodium-chlor, but this method also needs labor intensive, and a large amount of salt release, brings harm to the environment of surrounding.
In ice-covering-proof, a thinking is had to be construct ice-covering-proof coating at material surface, one section of novel super-hydrophobic coat of Master's thesis micro-nano structure design and surface on ice-covering-proof, author is by obtaining composite nanoparticle at nano Si 02 particle surface grafted fluoropolymer multipolymer, its Static water contact angles is 170.3 °, wetting hysteresis angle is 2.7 °, possesses the condition of super-hydrophobic coat.Measured by low temperature CA, find under the condition of-18 DEG C, just completely icing after drop 10054s, prove that there is excellent ice-covering-proof effect, but the design of coating class, there is the problem of wear resistance, and the surface of conveyer belt coating rubber can not be applied to.The requirement for material rubber cover freezing performance is mentioned in CN103937050A mono-kind cold-resistant freezing rubber cover used for conveyer belt and preparation method thereof, but the thinking of author is but mainly the sign of cold tolerance aspect in the text, as for this formula, whether there is the ice-covering-proof effect of low adhesive power, but do not verify accordingly.In the face of actual, urgent during the design of the ice-covering-proof conveyer belt coating rubber of low adhesive power, and be necessary.Principles and ways scheme at present about the design of low adhesive power freezing rubber compounding does not still have been reported.
Summary of the invention
Freeze for more current rubber article and be difficult to the problem of removing, the object of the invention is to propose a kind of rubber compounding, rubber compounding is by after modification, and rubber surface has the ice-covering-proof effect of low adhesive power.
The technical solution used in the present invention is:
Surface free energy≤the 24mNm-1 of low-surface energy substance material.
Further, the hydrocarbon rubbers of employing is that styrene-butadiene rubber(SBR), cis-1,4-polybutadiene rubber are or/and natural rubber.
Further, the material that lubrication prescription is amides is played on the surface of employing, and its structural formula is R1-C0-NH, and wherein R1 is the alkyl that carbonatoms is greater than 12.
Further, the freezing sustained release dosage of employing is one or more in ethanol, glycerol.
Further, water-retaining agent is one or more in polyacrylic.
The invention has the beneficial effects as follows that the adhesion strength between conveyer belt coating rubber and ice reduces, easily come off from rubber surface.The present invention improves from following four thinkings original formulation:
Reduce the surface energy of material, add the material of low surface energy; First, have very strong adhesion strength between ice and object, although its adhesive mechanism does not also have a kind of unified understanding, the material of in general low surface energy, the adhesion strength of it and ice is lower.
Reduce the frictional coefficient of material, add the material that some can reduce material surface frictional coefficient; Some can reduce the material of material friction coefficient, this is because, on the one hand, this kind of material usually has the good cunning that plays and acts on, and prevents material surface from chapping, and then avoids in freezing process, due to the crackle generated, and allow water enter rear freezing, form very strong interlocking structure; On the other hand, after reducing the frictional coefficient of material surface, in the process removing deicing, required power is smaller.
Adding of freezing sustained release dosage; Adding of freezing sustained release dosage (mainly low molecular oily substance), effectively can stop the formation of ice, for the goods used under some current intelligences (such as conveying belt), as long as it is just passable to ensure that product surface does not freeze within a certain period of time.
Adding of class liquid layer (liquid like layer) self-lubricating substances; Class liquid layer (liquid like layer) self-lubricating substances is some materials absorbed water mainly, it moment can adsorb a certain amount of water from environment, and can ensure that these water do not freeze (-35 DEG C) at very low temperature, these water can play the effect of self-lubricating, are that the adhesion strength between rubber and ice declines instantaneously.
Accompanying drawing explanation
Fig. 1 is the instrument measuring ice and rubber adhesion strength.
Fig. 2 is fixing rubber sample clamp section schematic diagram.
Reference numeral
1. ice 2. sample 3. digital display type thrustmeter 4. thrustmeter guide rails in Fig. 1
5. board and temperature regulating device
1. ice 2. sample 5. test boards and temperature regulating device 6. bolt 7. fixture in Fig. 2
Embodiment
Below the number described in embodiment and mass fraction.
Mixed refining process is carried out according to the starting material in formula and consumption, order of addition(of ingredients) is for first to add rubber, and rubber, by being coated on preliminary roller after roller, adds coumarone indene resin (solid), paraffin successively, SA (stearic acid) and ZnO (zinc oxide), turns refining several times.By liquid adjuvants ((17) fluorine decyl triethoxyl silane low for viscosity, methyl-silicone oil 2, PDMS, ethanol, glycerol 1) be mixed into carbon black after stir, put in rubber mixing, tetrafluoroethylene powder is added, anti-amine hydroxybenzene, polyacrylic acid, sodium polyacrylate after eating powder.Then anti-aging agent RD (2,2,4-trimethylammonium-1 is added successively, 2-dihyaroquinoline polymer), accelerant CZ (N-cyclohexyl-2-[4-morpholinodithio sulphenamide) carries out cutting immediately and turns refining 5 times, adds sulphur, play triangle bag 5 times, thin-pass 3 times afterwards, rear amplification roll spacing bottom sheet.
The amount of the various interpolation auxiliary agents selected in the present embodiment is the optimum ranges added by obtaining auxiliary agent after orthogonal experiment.
Raw material described in following examples is market and buys, and is specially: nano zine oxide buying is from Shandong Xing Ya novel material limited-liability company; Stearic acid buying is honest Chemical Co., Ltd. from Linyi; Carbon black N330 purchases from Tianjin Cabot Chemical Co., Ltd.; Cis-1,4-polybutadiene rubber 1502 is purchased from Sinopec Shanghai Gaoqiao Petrochemical Company; The commercially available 10# standard rubber of natural rubber; Paraffin buying is from south, Guangdong BASF La Ye company limited, and other products is industrial buyers.
The test procedure of ice addisive strength:
1. the accurate cuvette 1cm*1cm*5cm of label taking, fills water wherein.Cutting rubber sample (3cm*3cm*2mm size) covers on the cuvette that water is housed, and rapidly watch-glass is tipped upside down on rubber surface, slowly puts in refrigerator-freezer.Maintain refrigerator-freezer temperature at-5 DEG C, freezing 2h.
2. the rubber sample of icing is positioned on horizontal thrust machine, clamps with fixture.Start horizontal thrust machine, the maximum, force of record thrust machine in pushing course.
3. a formula preparation two samples, test five times, ask for intermediate value.
Following table provides after formulating of recipe, the mechanical property of sample and the change of adhesion strength between itself and ice
The mechanical property of table 1. embodiment of the present invention
The freezing performance of table 2. embodiment of the present invention
After above-mentioned compositional refinements, between sample and ice, adhesion strength reduces, and is beneficial to ice and removes from rubber surface.
Claims (5)
1. the ice-covering-proof formula of the low adhesive power of conveyor belt surface, is characterized in that raw material and consumption, as follows in massfraction:
Surface free energy≤the 24mNm-1 of low-surface energy substance material.
2. fill a prescription as claimed in claim 1, it is characterized in that: the hydrocarbon rubbers of employing is that styrene-butadiene rubber(SBR), cis-1,4-polybutadiene rubber are or/and natural rubber.
3. fill a prescription as claimed in claim 1, it is characterized in that: the material that lubrication prescription is amides is played on the surface of employing, its structural formula is R1-C0-NH, and wherein R1 is the alkyl that carbonatoms is greater than 12.
4. fill a prescription as claimed in claim 1, it is characterized in that: the freezing sustained release dosage of employing is one or more in ethanol, glycerol.
5. fill a prescription as claimed in claim 1, it is characterized in that: water-retaining agent is one or more in polyacrylic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510065396.2A CN104693544A (en) | 2015-02-08 | 2015-02-08 | Anti-icing agent with low adhesive force on surface of conveyer belt |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510065396.2A CN104693544A (en) | 2015-02-08 | 2015-02-08 | Anti-icing agent with low adhesive force on surface of conveyer belt |
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| CN104693544A true CN104693544A (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510065396.2A Pending CN104693544A (en) | 2015-02-08 | 2015-02-08 | Anti-icing agent with low adhesive force on surface of conveyer belt |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106882542A (en) * | 2017-02-20 | 2017-06-23 | 无锡宝通科技股份有限公司 | A kind of super abrasive Anti-adhesion conveyor belt and preparation method thereof |
| CN107099273A (en) * | 2017-05-22 | 2017-08-29 | 深圳维拓新材料科技有限公司 | Bionical response Anti-ice-and-snow self-cleaning material and application certainly |
| CN108195757A (en) * | 2018-04-08 | 2018-06-22 | 西南交通大学 | A kind of measuring device for being used to measure material surface icing adhesion strength |
| CN111286126A (en) * | 2020-04-16 | 2020-06-16 | 南京大学 | Anti-icing composition |
| CN112924303A (en) * | 2021-05-11 | 2021-06-08 | 中国空气动力研究与发展中心低速空气动力研究所 | Device and method for measuring tangential shear adhesion strength of ice layer and substrate surface |
| CN113861524A (en) * | 2021-11-22 | 2021-12-31 | 无锡百年通工业输送有限公司 | Conveyer belt covering rubber and preparation method thereof |
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|---|---|---|---|---|
| CN101580681A (en) * | 2009-03-24 | 2009-11-18 | 无锡宝通带业股份有限公司 | Surface covering rubber of flame-retardant canvas laminated core conveying belt and preparation method thereof |
| CN103937050A (en) * | 2014-05-04 | 2014-07-23 | 无锡宝通带业股份有限公司 | Cold-resistant anti-icing covering rubber for conveyor belt and preparation method thereof |
| CN104163947A (en) * | 2014-07-31 | 2014-11-26 | 青岛华承天机械制造有限公司 | Low temperature-resistant cover compound for conveyer belt |
| CN104194103A (en) * | 2014-07-31 | 2014-12-10 | 青岛华承天机械制造有限公司 | Anti-icing cover adhesive for conveyer belt |
| CN104231340A (en) * | 2014-08-31 | 2014-12-24 | 青岛锦绣水源商贸有限公司 | Covering rubber with strong icing resistance |
| CN104311907A (en) * | 2014-11-14 | 2015-01-28 | 无锡宝通带业股份有限公司 | Anti-icing flame-retarded conveying belt cover coat and preparation method thereof |
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2015
- 2015-02-08 CN CN201510065396.2A patent/CN104693544A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101580681A (en) * | 2009-03-24 | 2009-11-18 | 无锡宝通带业股份有限公司 | Surface covering rubber of flame-retardant canvas laminated core conveying belt and preparation method thereof |
| CN103937050A (en) * | 2014-05-04 | 2014-07-23 | 无锡宝通带业股份有限公司 | Cold-resistant anti-icing covering rubber for conveyor belt and preparation method thereof |
| CN104163947A (en) * | 2014-07-31 | 2014-11-26 | 青岛华承天机械制造有限公司 | Low temperature-resistant cover compound for conveyer belt |
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| CN104231340A (en) * | 2014-08-31 | 2014-12-24 | 青岛锦绣水源商贸有限公司 | Covering rubber with strong icing resistance |
| CN104311907A (en) * | 2014-11-14 | 2015-01-28 | 无锡宝通带业股份有限公司 | Anti-icing flame-retarded conveying belt cover coat and preparation method thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106882542A (en) * | 2017-02-20 | 2017-06-23 | 无锡宝通科技股份有限公司 | A kind of super abrasive Anti-adhesion conveyor belt and preparation method thereof |
| CN106882542B (en) * | 2017-02-20 | 2019-08-30 | 无锡百年通工业输送有限公司 | A kind of super abrasive Anti-adhesion conveyor belt and preparation method thereof |
| CN107099273A (en) * | 2017-05-22 | 2017-08-29 | 深圳维拓新材料科技有限公司 | Bionical response Anti-ice-and-snow self-cleaning material and application certainly |
| CN107099273B (en) * | 2017-05-22 | 2023-06-30 | 张兆国 | Bionic self-response anti-ice-snow self-cleaning material and application |
| CN108195757A (en) * | 2018-04-08 | 2018-06-22 | 西南交通大学 | A kind of measuring device for being used to measure material surface icing adhesion strength |
| CN111286126A (en) * | 2020-04-16 | 2020-06-16 | 南京大学 | Anti-icing composition |
| CN111286126B (en) * | 2020-04-16 | 2021-06-01 | 南京大学 | Anti-icing composition |
| CN112924303A (en) * | 2021-05-11 | 2021-06-08 | 中国空气动力研究与发展中心低速空气动力研究所 | Device and method for measuring tangential shear adhesion strength of ice layer and substrate surface |
| CN113861524A (en) * | 2021-11-22 | 2021-12-31 | 无锡百年通工业输送有限公司 | Conveyer belt covering rubber and preparation method thereof |
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Application publication date: 20150610 |
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