CN108485237A - Polyurethane base material permanence antistatic light-type conveyer belt and preparation method thereof - Google Patents
Polyurethane base material permanence antistatic light-type conveyer belt and preparation method thereof Download PDFInfo
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- CN108485237A CN108485237A CN201810332916.5A CN201810332916A CN108485237A CN 108485237 A CN108485237 A CN 108485237A CN 201810332916 A CN201810332916 A CN 201810332916A CN 108485237 A CN108485237 A CN 108485237A
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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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
- B65G15/32—Belts or like endless load-carriers made of rubber or plastics
-
- 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
- C08K3/02—Elements
- C08K3/04—Carbon
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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
- C08K2201/001—Conductive additives
-
- 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
- C08K2201/017—Additives being an antistatic agent
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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- Engineering & Computer Science (AREA)
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- Belt Conveyors (AREA)
Abstract
Of the invention and a kind of polyurethane base material permanence antistatic light-type conveyer belt and preparation method thereof, belongs to conveying technology field.It includes polyvinyl chloride gelatinous layer, bottom fabric layer layer and polyester textile skeleton successively from top to bottom；Polyurethane base material permanence antistatic light-type conveyer belt is made by the preparation of bottom fabric layer layer, the preparation of polyurethane gelatinous layer slurry and coating in it.The table resistance of conveyer belt provided by the invention, 8 powers and polyester backbone layer that reach bulk resistor 10 by conveyor belt surface polyurethane gelatinous layer reaches 10 5 powers to realize the permanent antistatic performance of the light-type conveyer belt.
Description
Technical field
Of the invention and a kind of polyurethane base material permanence antistatic light-type conveyer belt and preparation method thereof, belongs to conveying technology
Field.
Background technology
Light-type conveyer belt is the fine product in conveyer belt, using fabrics such as cotton, polyamide (PA), terylene as belt carcass or bone
Frame material, using rubber (including rubber and plastic) or plastics as coating (also can intectate band), surface can be smooth, also may be used
To have the depth decorative pattern of various patterns or lateral profile bar, baffle and corrugated sidewall.Light-type conveyer belt is frivolous with band body, size is steady
The features such as qualitative good, precision is high, color is lucid and lively, tension is high, safe and non-toxic.Meanwhile with the development of technology of preparing, for user
The product category and performance range of selection are more and more wider, can have the various particularity such as antistatic, corrosion-resistant, fire-retardant, low noise
Energy.
It, can by the material type of the coating of light-type conveyer belt according to 2009 light-type conveyer belts of standard GB/T/T23677
It is classified as two major classes：Rubber-type (including rubber-plastic type) and shaped plastics (including polyvinylchloride, thermoplastic polyurethane elastomer
TPU, polythene PE etc.).Traditional rubber conveyer belt is invented by DuPont Corporation to be produced and is conveyed for various articles, so far
Has more than 100 years history.Substantially based on natural rubber, nitrile rubber, neoprene, butadiene-styrene rubber etc..Currently, passing through
Plastics enhance the use of the modified raw material such as rubber and Plastics Toughening by Rubber, promote to turn to by the conveyer belt of primary raw material of rubber
Novel rubber plastic composite material conveyer belt.
The development of polymer modification technology plays great impetus to the development of new material used for conveyer belt, leads to
The modification to high molecular material is crossed, high intensity, high cohesiveness, high friction are can get and is had fire-retardant, antistatic, environmentally friendly etc. more
The Novel conveyer belt material of kind additional properties.
Conveyer belt is generally used for transport bulk material, just needs the conveying with special nature for special operating mode occasion
It brings completion to convey, such as a kind of anlistatig conveyer belt is just needed to complete the conveying to electronic component in electronics industry.
Invention content
It is an object of the present invention to overcome the above deficiencies, and it is light-duty defeated to provide a kind of polyurethane base material permanence antistatic
Band and preparation method thereof is sent, 8 powers and polyester backbone layer of bulk resistor 10 are reached by conveyor belt surface polyurethane gelatinous layer
Table resistance reach 10 5 powers to realize the permanent antistatic performance of the light-type conveyer belt.
According to technical solution provided by the invention, polyurethane base material permanence antistatic light-type conveyer belt, from top to bottom according to
Secondary includes polyurethane gelatinous layer, bottom fabric layer layer and polyester textile skeleton；
The polyurethane gelatinous layer described by weight includes 90-110 parts of TPU powder, 7-9 parts of antistatic agent and stabilizer 4-6
Part；
The bottom fabric layer layer includes 4-6 parts of 90-110 parts of PU glue, 2-4 parts of conductive black and network cross-linked agent.
The polyester textile skeleton is woven using polyester fiber, is woven especially by warp and weft.Polyester
Fiber has higher intensity and elastic recovery capability its biggest advantage is that wrinkle resistance and conformality are fine.Polyester fiber is compiled
It knits and to form polyester textile skeleton the tensile strength of conveyer belt is improved.
The warp includes the first warp and the second warp, and first warp is constituted using single polyester fiber, described
Second warp is constituted using plurality of fibers, and first warp and the second warp interval are arranged.By using above-mentioned technical proposal,
It can form prominent structure to the second warp that plurality of fibers is constituted, to form reinforcing rib, so that entire conveyer belt
Tensile strength is improved.
The antistatic agent is that nonionic resists quiet dose of ethoxylated alkylamine.Ethoxylated alkylamine is effectively anti-
Electrostatic agent, even as the same at low relative humidity and permanently effective.This kind of antistatic agent has obtained federal food drug and cosmetic act doctor
Medicine management board ratify, be applied to in the article of indirect food contact.
The non-ionic antistatic agent of other commercially valuables also has ethoxylated alkyl acid amide, as ethyoxyl bay is cruel
Amine and monostearin (GMS).The polyethylene and gather that the cruel amine of ethyoxyl bay is suitable for using in the small environment of humidity
Propylene, and require the occasion of long-acting anti-static function of having immediate effect.GMS classes antistatic agent then only considers in process
Electrostatic protection.Although the speed that GMS is migrated to polymer surfaces is fast, it cannot be as ethoxylated alkylamine or ethoxylation
Alkyl acid amine plays lasting antistatic property like that.It can will be up to 75% liquid or the ethoxylated alkyl limb of low melting point
Concentration masterbatch is made with polymer blend, these masterbatch are the coccoid products flowed freely, are easy to ship, and easy when its mixing
In dispersion.
The advantages of ethoxylated alkylamine masterbatch, can be summarized as follows：(1) good dispersion is added to pre-dispersed active material；
(2) good, the coccoid product of free-flowing of shipment property easily measures, and easily mixes；(3) processing performance is good, in an extruder rare spiral shell
Bar skids.Product index is specifically as shown in table 1.
Table 1
Performance characteristics：Thermal stability is good, and thermal weight loss is smaller at a temperature of the typical process of polyolefins product, does not influence to make
The processability of product.On the mechanical performance of product and optical property substantially without influence, will not especially increase product mist degree (or
Turbidity)；With quick antistatic property and balanced antistatic lasting period；With preferable discreteness, it is convenient for the storage of this product
Fortune and dispersion processing；It is non-toxic and tasteless, in the packaging material that can be used for being in direct contact food.
The stabilizer is rare-earth stabilizer.The thermal stability of rare-earth stabilizer be better than traditional lead salt system and barium/zinc, barium/
Pick/zinc class stabilizer.In some applications, rare-earth stabilizer can partly or entirely substitute organotin.Excellent weather resistance is dilute
Earth elements can absorb the ultraviolet light of 230-320nm.Therefore rare-earth stabilizer has anti-light aging effect.Excellent electrical insulation capability
Certain rare earth multifunction stabilizers can be used for replacing lead salt system stabilizer to be used for cable material formula, and electrical insulation capability can be with lead salt
It matches in excellence or beauty.Nontoxic, safety and sanitation rare earth element is less toxic element, to the non-toxic danger of human body in its production and processing, transport storage
Evil.Rare-earth stabilizer is non-toxic product, can be used for food packaging and medical packaging product.
Chemical name is specially diphosphorous acid pentaerythrite distearyl alcohol ester, molecular formula C41H82O6P2, molecular weight 732,
Technical indicator is as shown in table 2.
Table 2
Product properties in nontoxic calcium zinc compound stabilizer and the stabilizer of other compoundings are excellent, with no benzene, heat
Decomposition temperature is high, is not easily decomposed, and has hydrolytic resistance, heat resistance and weatherability.It can inhibit color change well, pressure can be reduced
Analysis, fouling tendency.
The network cross-linked agent is specially crosslinking agent TAC.Crosslinking agent is also referred to as bridging agent, is poly- hydro carbons photoresist
Important component, the photochemical solidification effect of this photoresist, dependent on the crosslinking agent with double photonasty functional groups
Reaction is participated in, generates diradical after crosslinking agent exposure, it and poly- hydrocarbon resins phase separation are formed between polymer molecular chain
Bridged bond becomes the insoluble substance of three-dimensional structure.The present invention is using stablizing the country chemical industry crosslinking agent --- and JN852 is by Cyanuric Chloride, and third
Enol is combined into reaction crosslinking agent TAC obtained.Its physicochemical property is：Solidification point is 26 DEG C, proportion 1.113, and refractive index is
N26D3：1.504, when 30 DEG C of viscosity is 12.55 × 10-3Pa.s, can be with acetone, benzene, chloroform, dioxanes, ethyl acetate, ethyl alcohol
It dissolves each other.Solubility is 0.6g/100g water under water, is stablized in alkalinity, meets sour facile hydrolysis, can accelerate to gather with molybdenum, nickel, manganese and mercury
It closes, is used as the crosslinking agent and sensitizer of all kinds of rubber and plastics.
Chemical name：Triallylcyanurate, molecular formula：C12H12N3O3, relative molecular weight：249.27 can be significantly
Shorten vulcanization time, improve mechanical performance, improves wearability, weatherability and solvent resistance；Heat resistance and machinery can be significantly improved
Intensity, heat resistance can be improved to 200 DEG C or more.
The preparation method of the polyurethane base material permanence antistatic light-type conveyer belt, steps are as follows by weight：
(1) preparation of bottom fabric layer layer：4-6 parts of 90-110 parts of PU glue, 2-4 parts of conductive black and network cross-linked agent are taken, is filled
Divide and be uniformly mixed, it is coated on polyester textile skeleton, coating thickness 0.5-0.6mm, is then moulded in 180-200 DEG C of high temperature
Change 0.1-0.2h, obtains bottom fabric layer layer；
(2) preparation of polyurethane gelatinous layer slurry：4-6 parts of 90-110 parts of TPU powder, 7-9 parts of antistatic agent and stabilizer are taken,
It is sufficiently mixed uniformly, is ground to 800-1000 mesh, obtains polyurethane gelatinous layer slurry；
(3) it coats：Polyurethane gelatinous layer slurry obtained by step (2) is coated in above bottom fabric layer layer obtained by step (1),
Coating thickness is 0.3-0.4mm, in 180-200 DEG C of high temperature plasticizing 0.1-0.2h to get to polyurethane base material permanence antistatic
Light-type conveyer belt.
Beneficial effects of the present invention：Conveyer belt provided by the invention reaches body by conveyor belt surface polyurethane gelatinous layer
8 powers of resistance 10 and the table resistance of polyester backbone layer reach 10 5 powers to realize the permanent anti-static of the light-type conveyer belt
Performance.
Specific implementation mode
Embodiment 1
The preparation method of the polyurethane base material permanence antistatic light-type conveyer belt, steps are as follows by weight：
(1) preparation of bottom fabric layer layer：4 parts of 90 parts of PU glue, 2 parts of conductive black and network cross-linked agent are taken, is sufficiently mixed
It is even, it is coated on polyester textile skeleton, coating thickness 0.5mm, is then plasticized 0.2h in 180 DEG C of high temperature, obtains bottom
Tissue layer；
(2) preparation of polyurethane gelatinous layer slurry：4 parts of 90 parts of TPU powder, 7 parts of antistatic agent and stabilizer are taken, is sufficiently mixed
Uniformly, 800 mesh are ground to, polyurethane gelatinous layer slurry is obtained；
(3) it coats：Polyurethane gelatinous layer slurry obtained by step (2) is coated in above bottom fabric layer layer obtained by step (1),
Coating thickness is 0.3mm, in 180 DEG C of high temperature plasticizing 0.2h to get to polyurethane base material permanence antistatic light-type conveyer belt.
The polyester textile skeleton is woven using polyester fiber, is woven especially by warp and weft.
The warp includes the first warp and the second warp, and first warp is constituted using single polyester fiber, described
Second warp is constituted using plurality of fibers, and first warp and the second warp interval are arranged.
The antistatic agent is that nonionic resists quiet dose to be ethoxylated alkylamine.
The stabilizer is rare-earth stabilizer.
The network cross-linked agent is specially crosslinking agent TAC.
Embodiment 2
The preparation method of the polyurethane base material permanence antistatic light-type conveyer belt, steps are as follows by weight：
(1) preparation of bottom fabric layer layer：6 parts of 110 parts of PU glue, 4 parts of conductive black and network cross-linked agent are taken, is sufficiently mixed
It is even, it is coated on polyester textile skeleton, coating thickness 0.6mm, is then plasticized 0.1h in 200 DEG C of high temperature, obtains bottom
Tissue layer；
(2) preparation of polyurethane gelatinous layer slurry：6 parts of 110 parts of TPU powder, 9 parts of antistatic agent and stabilizer are taken, it is fully mixed
It closes uniformly, is ground to 1000 mesh, obtains polyurethane gelatinous layer slurry；
(3) it coats：Polyurethane gelatinous layer slurry obtained by step (2) is coated in above bottom fabric layer layer obtained by step (1),
Coating thickness is 0.4mm, in 200 DEG C of high temperature plasticizing 0.1h to get to polyurethane base material permanence antistatic light-type conveyer belt.
The polyester textile skeleton is woven using polyester fiber, is woven especially by warp and weft.
The warp includes the first warp and the second warp, and first warp is constituted using single polyester fiber, described
Second warp is constituted using plurality of fibers, and first warp and the second warp interval are arranged.
The antistatic agent is that nonionic resists quiet dose to be ethoxylated alkylamine.
The stabilizer is rare-earth stabilizer.
The network cross-linked agent is specially crosslinking agent TAC.
Embodiment 3
The preparation method of the polyurethane base material permanence antistatic light-type conveyer belt, steps are as follows by weight：
(1) preparation of bottom fabric layer layer：5 parts of 100 parts of PU glue, 3 parts of conductive black and network cross-linked agent are taken, is sufficiently mixed
It is even, it is coated on polyester textile skeleton, coating thickness 0.55mm, is then plasticized 0.15h in 190 DEG C of high temperature, obtains on earth
Layer tissue layer；
(2) preparation of polyurethane gelatinous layer slurry：5 parts of 100 parts of TPU powder, 8 parts of antistatic agent and stabilizer are taken, it is fully mixed
It closes uniformly, is ground to 900 mesh, obtains polyurethane gelatinous layer slurry；
(3) it coats：Polyurethane gelatinous layer slurry obtained by step (2) is coated in above bottom fabric layer layer obtained by step (1),
Coating thickness is 0.35mm, in 190 DEG C of high temperature plasticizing 0.15h to get to polyurethane base material permanence antistatic light-type conveyer belt.
The polyester textile skeleton is woven using polyester fiber, is woven especially by warp and weft.
The warp includes the first warp and the second warp, and first warp is constituted using single polyester fiber, described
Second warp is constituted using plurality of fibers, and first warp and the second warp interval are arranged.
The antistatic agent is that nonionic resists quiet dose to be ethoxylated alkylamine.
The stabilizer is rare-earth stabilizer.
The network cross-linked agent is specially crosslinking agent TAC.
Claims (7)
1. polyurethane base material permanence antistatic light-type conveyer belt, it is characterized in that：From top to bottom successively include polyurethane gelatinous layer,
Bottom fabric layer layer and polyester textile skeleton；
The polyurethane gelatinous layer described by weight includes 4-6 parts of 90-110 parts of TPU powder, 7-9 parts of antistatic agent and stabilizer；
The bottom fabric layer layer includes 4-6 parts of 90-110 parts of PU glue, 2-4 parts of conductive black and network cross-linked agent.
2. polyurethane base material permanence antistatic light-type conveyer belt as described in claim 1, it is characterized in that：The polyester textile bone
Frame is woven using polyester fiber, is woven especially by warp and weft.
3. polyurethane base material permanence antistatic light-type conveyer belt as described in claim 1, it is characterized in that：The warp includes the
One warp and the second warp, first warp are constituted using single polyester fiber, and second warp uses plurality of fibers structure
At first warp and the second warp interval are arranged.
4. polyurethane base material permanence antistatic light-type conveyer belt as described in claim 1, it is characterized in that：The antistatic agent is
Nonionic resists quiet dose to be ethoxylated alkylamine.
5. polyurethane base material permanence antistatic light-type conveyer belt as described in claim 1, it is characterized in that：The stabilizer is dilute
Soil stabilizer.
6. polyurethane base material permanence antistatic light-type conveyer belt as described in claim 1, it is characterized in that：The network cross-linked agent
Specially crosslinking agent TAC.
7. the preparation method of one of the claim 1-6 polyurethane base material permanence antistatic light-type conveyer belts, it is characterized in that
Steps are as follows by weight：
（1）The preparation of bottom fabric layer layer：4-6 parts of 90-110 parts of PU glue, 2-4 parts of conductive black and network cross-linked agent are taken, it is fully mixed
It closes uniformly, it is coated on polyester textile skeleton, coating thickness 0.5-0.6mm, is then plasticized in 180-200 DEG C of high temperature
0.1-0.2h obtains bottom fabric layer layer；
（2）The preparation of polyurethane gelatinous layer slurry：4-6 parts of 90-110 parts of TPU powder, 7-9 parts of antistatic agent and stabilizer are taken, fully
It is uniformly mixed, is ground to 800-1000 mesh, obtains polyester adhesive chylema material；
（3）Coating：By step（2）Gained polyurethane gelatinous layer slurry is coated in step（1）Above gained bottom fabric layer layer, coating
Thickness is 0.3-0.4mm, and 0.1-0.2h is plasticized to get light-duty to polyurethane base material permanence antistatic in 180-200 DEG C of high temperature
Conveyer belt.
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Cited By (7)
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| CN109594353A (en) * | 2018-12-11 | 2019-04-09 | 江苏奥斯达带业有限公司 | A kind of low temperature resistant, cut resistant light polyurethane conveyer belt and preparation method thereof |
| CN109594345A (en) * | 2018-12-11 | 2019-04-09 | 江苏奥斯达带业有限公司 | A kind of high-temperature-resisting silicon rubber light-type conveyer belt |
| CN110628208A (en) * | 2019-09-27 | 2019-12-31 | 江苏福莱欧工业制带有限公司 | Antistatic TPU area |
| CN110802908A (en) * | 2019-11-19 | 2020-02-18 | 东莞市东佶新材料制带科技有限公司 | Adjustable multi-layer cloth-sandwiched composite conveyor belt and manufacturing method thereof |
| CN110802907A (en) * | 2019-11-19 | 2020-02-18 | 东莞市东佶新材料制带科技有限公司 | Adjustable multilayer composite elastic plane conveyor belt and manufacturing method thereof |
| CN111286989A (en) * | 2020-02-27 | 2020-06-16 | 江门市南方输送机械工程有限公司 | High-strength, wear-resistant and antistatic air cushion conveyor belt and preparation method thereof |
| CN113715377A (en) * | 2021-08-26 | 2021-11-30 | 上海永利输送系统有限公司 | Method for manufacturing permanent antistatic light felt conveyer belt |
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Cited By (8)
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| CN109594353A (en) * | 2018-12-11 | 2019-04-09 | 江苏奥斯达带业有限公司 | A kind of low temperature resistant, cut resistant light polyurethane conveyer belt and preparation method thereof |
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| CN110802908A (en) * | 2019-11-19 | 2020-02-18 | 东莞市东佶新材料制带科技有限公司 | Adjustable multi-layer cloth-sandwiched composite conveyor belt and manufacturing method thereof |
| CN110802907A (en) * | 2019-11-19 | 2020-02-18 | 东莞市东佶新材料制带科技有限公司 | Adjustable multilayer composite elastic plane conveyor belt and manufacturing method thereof |
| CN111286989A (en) * | 2020-02-27 | 2020-06-16 | 江门市南方输送机械工程有限公司 | High-strength, wear-resistant and antistatic air cushion conveyor belt and preparation method thereof |
| CN113715377A (en) * | 2021-08-26 | 2021-11-30 | 上海永利输送系统有限公司 | Method for manufacturing permanent antistatic light felt conveyer belt |
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