CN107857907A - Rubber and plastic and multi-walled carbon nanotube composite elastic matrix and preparation method thereof - Google Patents
Rubber and plastic and multi-walled carbon nanotube composite elastic matrix and preparation method thereof Download PDFInfo
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- CN107857907A CN107857907A CN201711215050.1A CN201711215050A CN107857907A CN 107857907 A CN107857907 A CN 107857907A CN 201711215050 A CN201711215050 A CN 201711215050A CN 107857907 A CN107857907 A CN 107857907A
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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
- C08L9/02—Copolymers with acrylonitrile
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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
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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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
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- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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Abstract
The present invention relates to a kind of rubber and plastic and multi-walled carbon nanotube composite elastic matrix and preparation method thereof, belong to the formula design field of spinning apron.It includes nitrile rubber, high DP PVC, multi-walled carbon nanotube, plasticizer, stabilizer, lubrication dispersing agent, antioxidant and age resistor；Dispersion prefabricated first, then banburying heat plasticization composite elastic matrix is made.The rubber and plastic of the present invention and multi-walled carbon nanotube composite elastic matrix, designed as material of main part applied to spinning apron formula, the spinning apron of manufacture can meet the technical requirements of high efficient technology production Modern New textile fabric yarn, adapt to compact spinning（Compact spinning）, the SEILE textile mode of production, big ration, high draft, fine motion journey spinning process can be implemented.
Description
Technical field
The present invention relates to a kind of rubber and plastic and multi-walled carbon nanotube composite elastic matrix and preparation method thereof, and in particular to weaving
The modified optimization of cushion rubber material of main part, the core methed for lifting quality, belong to the formula design field of spinning apron.
Background technology
Diversification and diversity high speed development trend, the mainly shape of fiber, performance is presented in new fiber at present
Or other aspects are different from original traditional fibre, tencel can be divided into new type natural fiber, new cellulosic, soybean
The series such as azelon, water-soluble fibre, functional fiber, fibre in differentiation, high-performance fiber and high sensibility fiber.
Superfine Denier fibre, high-modulus conductive metallic fiber and other processing aids in new fiber series of products
Deng having the requirement of corresponding property to spinning apron draft process, superfine Denier fibre is easily acted on by electrostatic and adhesion
From fibre bundle separate out, cushion rubber surface adhesive tape " colorful clothes " is set to cause normal yarn faults；High-modulus conducting metal blend fibre
The big feel of modulus is poor, and counter extensioin cushion rubber surface abrasion is violent, and stroke easily concave grooving is even ftractureed, and greatly shortens spinning
Yarn cushion rubber service life；Migration adhesion swelling cushion rubber surface easily occurs for all kinds of spinning processing auxiliary agents, is continuously increased cushion rubber surface energy
Produce adhesive tape " colorful clothes " and cause broken end increase and normal yarn faults, while cause viscous make a pause of cushion rubber operating to produce mechanical wave.Mesh
Preceding new fiber mainly uses modern efficient spinning process, and spinning form is compact spinning (compact spinning), SEILE textile, its technique
Big ration, high draft, fine motion journey are embodied, due to being influenceed by above-mentioned new fiber industry characteristics, common rubber and plastic system
The spinning apron of design and manufacture, surface easily occurs causing entrainment " colorful clothes " by electrostatic and adhesion during spinning, drawing, and height is cut
Shear force causes the bad phenomenons such as the tear of stroke surfaces externally and internally, central concave abrasive, so as to cause loss to increase considerably, matter of spinning
Amount stability is decreased obviously, and maintaining difficulty increases.
The content of the invention
The purpose of the present invention is to overcome above-mentioned weak point, there is provided a kind of rubber and plastic and multi-walled carbon nanotube composite elastic matrix
And preparation method thereof.
Technical scheme, a kind of rubber and plastic and multi-walled carbon nanotube composite elastic matrix, formula rate is by weight
Meter is as follows：In terms of 100 parts of nitrile rubber, 45~75 parts of high DP PVC, 20~30 parts of multi-walled carbon nanotube, plasticizer are added
1 part of 18~25 parts, 1.5~2.5 parts of stabilizer, 2~3 parts of lubrication dispersing agent, 1.5 parts of antioxidant and age resistor.
Further, the weight percentage of the acrylonitrile unit in the nitrile rubber is 32~34%, nitrile rubber
100 DEG C of crude rubber Mooney viscosity ML (1+4) be 62~68.Nitrile rubber category oil resistant, conducting polymer elastomer, are particularly suitable for making
For main body material manufacture Textile Rubber equipment product.
Further, the high DP PVC model P-2500 (degree of polymerization is 2400~2600).High DP PVC
Belong to thermal plastic high polymer elastomer, with the rubber and plastic system of nitrile rubber composition have it is anti-circumnutate, it is ageing-resistant, anticorrosive, reinforcement, resistance to
Grind excellent properties.
Further, the multi-wall carbon nano tube type number is former powder basic type, and length range is 3-60 μm, and caliber scope is
10-60nm.Multi-walled carbon nanotube and rubber and plastic composition composite elastic body, the dynamic machine of former rubber and plastic system vulcanizate can be increased substantially
The physics and chemistry overall target such as tool performance, conduction, heat conduction, anti-corrosion, resistance to compression.
Further, the plasticizer (DOP) is dioctyl phthalate.Plasticizer is the plasticizing of high DP PVC
Agent, improve the resilience and processing characteristics of composite elastic matrix.
Further, the stabilizer is dibutyl tin laurate.Stabilizer is the heat plasticization heat resistanceheat resistant drop of high DP PVC
Solve processing aid.
Further, the lubrication dispersing agent is erucyl amide.Lubrication dispersing agent helps to improve multi-walled carbon nanotube multiple
The scattered and associativity in elastomer is closed, while vulcanizate surface energy can be reduced.
Further, the antioxidant (2246-S) is 2,2 '-thiobis (4- methyl-6-tert-butylphenols).
Further, the age resistor (RD) is 2,2,4- trimethyl -1,2- dihyaroquinoline condensates.
Antioxidant, age resistor can slow down thermo-oxidative ageing process of the composite elastic body in processing or finished product application process.
The preparation method of the rubber and plastic and multi-walled carbon nanotube composite elastic matrix, it is characterized in that as follows by weight：
(1) prefabricated dispersion：It is first that 45~75 parts of high DP PVC, 20~30 parts of multi-walled carbon nanotube, lubrication is scattered
0.5~1.5 part of 2~3 parts of agent, 1~2 part of antioxidant and age resistor weigh by weight ratio, load vertical plastic mixer stirring 2
~4 minutes, 1.5~2.5 parts of stabilizer is then weighed by weight ratio, 18~25 parts of addition mixers of plasticizer are stirred for 4~6
Minute, it is 60~70 DEG C to control dump temperature, and it is standby that stirring finishes pack cooling；
(2) banburying heat plasticization：First by plasticate one section 100 parts of nitrile rubber by weight ratio weigh input banbury pressurization
Banburying 1~2 minute, step (1) is then prepared into the prefabricated dispersion input banbury pressurization banburying of gained 4~6 minutes, centre is flat
Carry out lifting top bolt and float that 10~20s is each secondary, and discharge control temperature to turn refining and put in downwind scheme after discharge for 170~180 DEG C
Piece cooling is standby.
Beneficial effects of the present invention：Multi-walled carbon nanotube belongs to a kind of new high intensity carbon fiber material, its radial dimension
Smaller, the external diameter of pipe is typically in several nanometers to several tens of nanometers, and its length is typically very big in micron order, length and diameter ratio,
Up to 103~106.Multi-walled carbon nanotube can significantly improve following performance with rubber and plastic composition complex matrix：
(1) improve that cushion rubber dynamic is anti-to be deflected and tensile strength, show good mechanical strength, toughness, elasticity, antifatigue
Property and isotropism, its anti-combination property such as cracking, anti-central concave abrasive, physical dimension deformation that circumnutate can be significantly improved.
(2) the multi-walled carbon nanotube packing strengthening agent in composite elastic matrix has " increasing rub anti-attrition " special effective function, into
It can be directed to be scattered in the network being staggered in product vulcanizate, promote cushion rubber inner surface to be formed with middle roller screw thread and " nibble Asia
Close " transmission, improves cushion rubber smoothness of operation and wearability.
(3) the multi-walled carbon nanotube packing strengthening agent category superconductor or semiconductor in composite elastic matrix, in the net of distribution
Electrostatic dissipation passage is formed in lattice structure, is advantageous to prevent absorption " colorful clothes " phenomenon caused by electrostatic.
(4) the multi-walled carbon nanotube packing strengthening agent in composite elastic matrix can improve the thermal conductivity factor of base material, and cushion rubber exists
Spinning process high temperature resistant, thermal coefficient of expansion are small, resistance thermal deformation behavior is strong.
(5) multi-walled carbon nanotube packing strengthening agent its structure in composite elastic matrix is more more stable than high polymer material,
Possess superpower resist chemical performance, the erosion of the finish, chemical assistant that are effective against in fiber, prevent appearance in cushion rubber
Face swelling causes adhesion " colorful clothes " and the viscous generation mechanical wave of operating.
Embodiment
A kind of 1 rubber and plastic of embodiment and multi-walled carbon nanotube composite elastic matrix
It is as follows by weight：100 parts of nitrile rubber, 45 parts of high DP PVC, 30 parts of multi-walled carbon nanotube (former powder),
18 parts of plasticizer DOP, 1.5 parts of stabilizer dibutyl tin laurate, 3 parts of lubrication dispersing agent erucic acid acyl, antioxidant 2246-S 1.5
1 part of part and anti-aging agent RD.
(1) prefabricated dispersion：First by high DP PVC, multi-walled carbon nanotube, lubrication dispersing agent, 1.5 parts of antioxidant, anti-
Old 1 part of agent weighs by weight ratio, loads vertical plastic mixer and stirs 2 minutes, then weighs stabilizer by weight ratio, increases
Modeling agent adds mixer and is stirred for 4 minutes, and it is 60 to control dump temperature, and it is standby that stirring finishes pack cooling；
(2) banburying heat plasticization：First by plasticate one section nitrile rubber by weight ratio weigh input banbury pressurization banburying 1
Minute, step (1) is then prepared into the prefabricated dispersion input banbury pressurization banburying of gained 4 minutes, intermediate means is lifted
It is each secondary to push up bolt floating 10s, it is 170 DEG C that discharge, which control temperature, after discharge downwind scheme turn refining film releasing cool down it is standby.
A kind of 2 rubber and plastic of embodiment and multi-walled carbon nanotube composite elastic matrix
100 parts of nitrile rubber, 60 parts of high DP PVC, 25 parts of multi-walled carbon nanotube, 22 parts of plasticizer, 2 parts of stabilizer,
1.5 parts of 3 parts of lubrication dispersing agent, 2 parts of antioxidant and age resistor.
(1) prefabricated dispersion：First by high DP PVC, multi-walled carbon nanotube, lubrication dispersing agent, 1.5 parts of antioxidant, anti-
Old 1 part of agent weighs by weight ratio, loads vertical plastic mixer and stirs 3 minutes, then weighs stabilizer by weight ratio, increases
Modeling agent adds mixer and is stirred for 5 minutes, and it is 65 DEG C to control dump temperature, and it is standby that stirring finishes pack cooling；
(2) banburying heat plasticization：First by plasticate one section nitrile rubber by weight ratio weigh input banbury pressurization banburying 1
Minute, step (1) is then prepared into the prefabricated dispersion input banbury pressurization banburying of gained 5 minutes, intermediate means is lifted
It is each secondary to push up bolt floating 15s, it is 175 DEG C that discharge, which control temperature, after discharge downwind scheme turn refining film releasing cool down it is standby.
A kind of 3 rubber and plastic of embodiment and multi-walled carbon nanotube composite elastic matrix
Formula rate is as follows by weight：100 parts of nitrile rubber, 75 parts of high DP PVC, multi-walled carbon nanotube 20
Part, 125 parts of plasticizer, 2.5 parts of stabilizer, 2 parts of lubrication dispersing agent, 1 part of antioxidant and 2 parts of age resistor.
(1) prefabricated dispersion：First by high DP PVC, multi-walled carbon nanotube, lubrication dispersing agent, 1.5 parts of antioxidant, anti-
Old 1 part of agent weighs by weight ratio, loads vertical plastic mixer and stirs 4 minutes, then weighs stabilizer by weight ratio, increases
Modeling agent adds mixer and is stirred for 6 minutes, and it is 70 DEG C to control dump temperature, and it is standby that stirring finishes pack cooling；
(2) banburying heat plasticization：First by plasticate one section nitrile rubber by weight ratio weigh input banbury pressurization banburying 1
Minute, step (1) is then prepared into the prefabricated dispersion input banbury pressurization banburying of gained 6 minutes, intermediate means is lifted
It is each secondary to push up bolt floating 10s, it is 180 DEG C that discharge, which control temperature, after discharge downwind scheme turn refining film releasing cool down it is standby.
Application Example
The rubber and plastic produced and multi-walled carbon nanotube composite elastic matrix are decided into not body materials application in spinning apron production
Formula design, carry out elastomeric compound making → extrusion molding → sulfidization molding → and temper → cutting → and produce product, specific formula is such as
Shown in table 1.
Table 1
The rubber product sizing material obtained in table 1 according to《GB/T528-2009》、《GB/T531.1-2008》、《GB/T1689-
1998》、《GB/T3512-2001》Examination criteria carries out detection test data, as a result as shown in table 2.
Table 2
Then the gained rubber and plastic elastomeric compound of table 1 is processed into spinning apron, according to standard《GB/T7759-1996》、《GB/
T1681-2009》Examination criteria carries out detection test data, and testing result is as shown in table 3：
Table 3
| Sequence number | Detection project | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| 1 | Whole circle strength | 410 | 370 | 330 |
| 2 | Surface friction factor | 0.02 | 0.028 | 0.032 |
| 3 | Spinning simulation life-span (internal layer fluffing day) | 208 | 187 | 156 |
Interpretation of result：It can be drawn from the experimental data in table 2 and table 3, one kind of the invention is matched somebody with somebody applied to spinning apron
The rubber and plastic just designed and multi-walled carbon nanotube composite elastic matrix, the spinning apron technical indicator as material of main part design production
The performance needed for spinning new fiber yarn is complied fully with, while admirably eliminates spinning apron and uses modern efficient work
Skill produces the technical bottleneck of new fiber yarn, and spinning to test through upper machine confirms that spinning process combination property is preferable, uses
Life-span can extend 1.5~2 times than common rubber and plastic cushion rubber.
Claims (10)
1. a kind of rubber and plastic and multi-walled carbon nanotube composite elastic matrix, it is characterized in that formula rate is as follows by weight：With fourth
100 parts of nitrile rubber meter, add 45 ~ 75 parts of high DP PVC, 20 ~ 30 parts of multi-walled carbon nanotube, 18 ~ 25 parts of plasticizer, stably
0.5 ~ 1.5 part of 1.5 ~ 2.5 parts of agent, 2 ~ 3 parts of lubrication dispersing agent, 1 ~ 2 part of antioxidant and age resistor.
2. rubber and plastic as claimed in claim 1 and multi-walled carbon nanotube composite elastic matrix, it is characterized in that：In the nitrile rubber
The weight percentage of acrylonitrile unit is 32% ~ 34%, the crude rubber Mooney viscosity ML of nitrile rubber（1+4）100 DEG C are 62 ~ 68.
3. rubber and plastic as claimed in claim 1 and multi-walled carbon nanotube composite elastic matrix, it is characterized in that：The high DP PVC
The degree of polymerization is 2400 ~ 2600.
4. rubber and plastic as claimed in claim 1 and multi-walled carbon nanotube composite elastic matrix, it is characterized in that：The multi-walled carbon nanotube
Model original powder basic type, length range are 3-60 μm, and caliber scope is 10-60nm.
5. rubber and plastic as claimed in claim 1 and multi-walled carbon nanotube composite elastic matrix, it is characterized in that：The plasticizer is adjacent benzene
Diformazan dioctyl phthalate.
6. rubber and plastic as claimed in claim 1 and multi-walled carbon nanotube composite elastic matrix, it is characterized in that：The stabilizer is bay
Sour dibutyl tin.
7. rubber and plastic as claimed in claim 1 and multi-walled carbon nanotube composite elastic matrix, it is characterized in that：The lubrication dispersing agent is
Erucyl amide.
8. rubber and plastic as claimed in claim 1 and multi-walled carbon nanotube composite elastic matrix, it is characterized in that：The antioxidant is 2,
2 '-thiobis（4- methyl-6-tert-butylphenols）.
9. rubber and plastic as claimed in claim 1 and multi-walled carbon nanotube composite elastic matrix, it is characterized in that：The age resistor is 2,2,
4- trimethyl -1,2- dihyaroquinoline condensates.
10. the preparation method of one of the claim 1-9 rubber and plastics and multi-walled carbon nanotube composite elastic matrix, it is characterized in that pressing
Parts by weight meter is as follows：
（1）Prefabricated dispersion：First by 45 ~ 75 parts of high DP PVC, 20 ~ 30 parts of multi-walled carbon nanotube, lubrication dispersing agent 2 ~ 3
0.5 ~ 1.5 part of part, 1 ~ 2 part of antioxidant and age resistor weigh by weight ratio, load vertical plastic mixer and stir 2 ~ 4 minutes,
Then 1.5 ~ 2.5 parts of stabilizer is weighed by weight ratio, 18 ~ 25 parts of addition mixers of plasticizer are stirred for 4 ~ 6 minutes, control row
Material temperature degree is 60 ~ 70 DEG C, and it is standby that stirring finishes pack cooling；
（2）Banburying heat plasticization：First by plasticate one section 100 parts of nitrile rubber by weight ratio weigh input banbury pressurization banburying
1 ~ 2 minute, then by step（1）The prefabricated dispersion input banbury pressurization banburying of gained 4 ~ 6 minutes is prepared, intermediate means is carried out
Lifting top bolt float 10 ~ 20s it is each secondary, discharge control temperature be 170 ~ 180 DEG C, after discharge downwind scheme turn refining film releasing cool down it is standby
With.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110028715A (en) * | 2019-05-06 | 2019-07-19 | 无锡二橡胶股份有限公司 | A kind of factory formula of anti-jitter, tear-proof spinning apron |
| CN114249931A (en) * | 2022-01-12 | 2022-03-29 | 无锡二橡胶股份有限公司 | Drafting rubber ring suitable for spinning strong twisted yarn |
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| CN114249931A (en) * | 2022-01-12 | 2022-03-29 | 无锡二橡胶股份有限公司 | Drafting rubber ring suitable for spinning strong twisted yarn |
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