CN110699970A - Polyurethane substrate oil-resistant light conveyor belt and preparation method thereof - Google Patents
Polyurethane substrate oil-resistant light conveyor belt and preparation method thereof Download PDFInfo
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0006—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using woven fabrics
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0036—Polyester fibres
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0088—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/04—Belts
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Abstract
The invention relates to the technical field of conveying belts, in particular to a polyurethane substrate oil-resistant light conveying belt and a preparation method thereof, which sequentially comprise a polyurethane colloidal layer, a bottom fabric layer and a polyester fabric framework from top to bottom, wherein the polyurethane colloidal layer comprises 100 parts by weight of oil-resistant TPU powder and 5 parts by weight of lubricant, the bottom fabric layer comprises 100 parts by weight of PU glue and 5 parts by weight of network cross-linking agent, the polyester fabric framework is woven by polyester fibers, the polyurethane material adopts TPU-AH85, the lubricant adopts low molecular weight polypropylene with an irregular structure, and the network cross-linking agent adopts an Anbang chemical cross-linking agent, the invention adopts oil-resistant polyurethane with the model of TPU-AH85 as a raw material, and compared with the universal oil-resistant polyurethane with the model of K885, the oil-resistant conveying belt has more excellent high-temperature oil resistance, lower oil absorption swelling rate and deformation rate, and is more suitable for being, therefore, the purpose of oil resistance in the food processing process is achieved through the oil resistance of the polyurethane colloid layer on the surface of the conveying belt.
Description
Technical Field
The invention relates to the technical field of conveying belts, in particular to a polyurethane substrate oil-resistant light conveying belt and a preparation method thereof.
Background
The light conveyer belt is a fine product in the conveyer belt, takes fabrics of cotton, Polyamide (PA), terylene and the like as a belt core or a framework material, takes rubber (including rubber and plastic) or plastics as a covering layer (or has no covering layer belt), and has smooth surface and deep and shallow patterns or transverse section bars, baffles and corrugated flanges with various patterns. The light conveyer belt has the characteristics of light and thin belt body, good dimensional stability, high precision, bright color, high tension, safety, no toxicity and the like. Meanwhile, with the development of preparation technology, the product types and performance range which can be selected by users are wider and wider, and the product has various special performances such as static resistance, corrosion resistance, flame retardance, low noise and the like.
According to the national standard GB/T236772009 of lightweight conveyor belts, they can be divided into two main categories according to the type of material of the covering layer of the lightweight conveyor belt: rubber type (including rubber-plastic type) and plastic type (including polyvinyl chloride PVC, thermoplastic polyurethane elastomer TPU, polyethylene PE, etc.). Conventional rubber conveyor belts, invented by dupont in the united states and used for the conveyance of various articles, have been used for over 100 years. Basically, natural rubber, nitrile rubber, chloroprene rubber, styrene-butadiene rubber and the like are used as main components. At present, the use of modified raw materials such as plastic reinforced rubber, rubber toughened plastic and the like prompts the conveying belt taking rubber as a main raw material to turn to a novel rubber-plastic composite conveying belt.
The development of the high polymer material modification technology has a great promoting effect on the development of new materials for the conveyor belt, and the novel conveyor belt material with high strength, high cohesiveness, high friction, flame retardance, antistatic property, environmental friendliness and other additional properties can be obtained by modifying the high polymer material.
The conveyer belt is generally used for transporting bulk cargo materials, and a conveyer belt with special properties is needed to finish conveying on special working conditions, for example, an oil-resistant conveyer belt is needed to finish conveying biscuits, candies and cakes in food processing.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a polyurethane substrate oil-resistant light conveyor belt and a preparation method thereof, and aims to solve the technical problem of how to provide a material with oil-resistant property on the surface of the conveyor belt to meet the purpose of oil resistance in the food processing process.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: the polyurethane substrate oil-resistant light conveyor belt sequentially comprises a polyurethane colloid layer, a bottom fabric layer and a polyester fabric framework from top to bottom;
the polyurethane colloidal layer comprises 100 parts of oil-resistant TPU powder and 5 parts of lubricating agent in parts by weight, the bottom fabric layer comprises 100 parts of PU glue and 5 parts of network cross-linking agent, and the polyester fabric framework is woven by polyester fibers;
the polyurethane material adopts TPU-AH85, the lubricant adopts low molecular weight polypropylene with an irregular structure, the network crosslinking agent adopts Anbang chemical crosslinking agent, and the Anbang chemical crosslinking agent is crosslinking agent TAC prepared by combination reaction of cyanuric chloride and allyl alcohol in JN 852.
Further, the bottom fabric layer comprises warp and weft, the warp comprises first warp and second warp, the first warp is made of single polyester fiber, the second warp is made of multiple fibers, and the first warp and the second warp are arranged at intervals.
Further, according to the polyurethane substrate oil-resistant light conveyor belt, the preparation method of the conveyor belt comprises the following steps:
s1-preparation of bottom fabric layer: taking 100 parts by weight of TPU powder with the model number of AH85 and 5 parts by weight of lubricant which is made of irregular-structure low-molecular-weight polypropylene, fully and uniformly mixing, coating the mixture on a polyester fabric framework with the coating thickness of 0.4-0.5mm, and then performing high-temperature plasticization for 0.15h at the temperature of 180-200 ℃ to obtain a bottom fabric layer;
s2-preparation of polyurethane colloidal slurry: taking 100 parts by weight of PU glue and 5 parts by weight of cross-linking agent TAC with the model number of JN852 as a network cross-linking agent, fully and uniformly mixing, and grinding the mixture to 900 meshes to obtain polyurethane glue slurry;
s3-coating: and (3) coating the polyurethane colloidal slurry obtained in the step (S2) on the bottom fabric layer obtained in the step (S1) to a coating thickness of 0.3-0.4mm, and plasticizing the coating at the temperature of 180-200 ℃ for 0.15h to obtain the polyurethane substrate oil-resistant light conveyor belt.
The beneficial effects brought by the invention are as follows:
1. the invention adopts the oil-resistant polyurethane with the model of TPU-AH85 as a raw material, has more excellent high-temperature oil resistance and lower oil absorption swelling rate and deformation rate compared with the universal oil-resistant polyurethane with the model of K885, and is more suitable for being used in the environment of contacting grease at high temperature for a long time.
2. The low molecular weight polypropylene with an irregular structure is used as a lubricant of the TPU, the performance is excellent, and the dispersibility of other additives can be improved.
3. The cross-linking agent TAC prepared by the reaction of cyanuric chloride and allyl alcohol is used as a network cross-linking agent, so that the vulcanization time can be obviously shortened, the mechanical property, the wear resistance, the oil resistance and the solvent resistance can be improved, the heat resistance and the mechanical strength can be obviously improved, and the heat resistance can be improved to more than 200 ℃.
4. The polyester fabric framework and the bottom fabric layer are woven by polyester fibers, so that the maximum advantages of the polyester fibers, namely wrinkle resistance and shape retention, can be exerted, and meanwhile, the tensile strength of the conveyor belt can be improved.
5. The preparation process is environment-friendly, and the purpose of oil resistance in the food processing process is achieved through the oil resistance of the polyurethane colloid layer on the surface of the conveyor belt.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a polyurethane gel layer, a bottom fabric layer and a polyester fabric skeleton;
FIG. 2 shows the results of comparative tests of swelling properties of general polyurethane TPU-885 and TPU-AH85 for oil-resistant polyurethane palm oil;
FIG. 3 is a flow chart of the preparation of the oil-resistant light conveyor belt with a polyurethane substrate;
in the figure: 1-polyurethane colloidal layer, 2-bottom fabric layer and 3-polyester fabric skeleton.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.
Example 1: as shown in figure 1, this polyurethane substrate resistant oil light conveyer belt is including polyurethane colloidal layer 1 from top to bottom, bottom fabric layer 2 and polyester fabric skeleton 3, wherein polyurethane colloidal layer 1 includes TPU powder 100 parts by weight, emollient 5 parts, bottom fabric layer 2 includes PU glue 100 parts by weight, network cross-linking agent 5 parts, polyester fabric skeleton 3 adopts polyester fiber to compile, through adopting foretell technical scheme, can exert the biggest advantage of polyester fiber wrinkle resistance and shape retention promptly, simultaneously, because polyester fiber has higher intensity and elastic recovery ability, consequently, the polyester fabric skeleton 3 and bottom fabric layer 2 that adopt polyester fiber to compile can improve the tensile strength of conveyer belt.
The material model of the polyurethane adopts TPU-AH85, and the palm oil swelling performance comparison test is carried out on the general polyurethane TPU-885 and the TPU-AH85 oil-resistant polyurethane, and the test method is as follows: selecting a 0.2mm thick sheet, cutting the sheet into a 35 x 50mm rectangular sample sheet, marking and weighing, then placing the sample sheet under the environment condition of (23 ℃/50% RH) for 24 hours, selecting Haihuang palm oil and a container with a proper size, completely immersing the sample sheet below the oil level, placing the container in the environment of 80 ℃, taking out the sample sheet every 1 to 3 days, draining the palm oil on the surface, wiping oil drops on the surface with a paper towel, weighing and recording, wherein the test result is shown in figure 2, and the conclusion that AH85 has more excellent high-temperature oil resistance than polyurethane of K885 model can be obtained, AH85 has lower oil absorption swelling rate and deformation rate, and is more suitable for being used in the environment of long-term high-temperature contact with grease.
The lubricant adopts low molecular weight polypropylene with an irregular structure, has excellent performance, can improve the dispersibility of other additives, has good thermal stability, is prepared by taking vegetable oil as a raw material, has excellent yellowing resistance, has low odor, no caking and the like, and has high utilization rate.
The Anbang chemical crosslinking agent is a crosslinking agent TAC prepared by combination reaction of cyanuric chloride and allyl alcohol in JN852, can remarkably shorten vulcanization time, improve mechanical properties, wear resistance, oil resistance and solvent resistance, and can also remarkably improve heat resistance and mechanical strength, wherein the heat resistance can be improved to more than 200 ℃.
In this embodiment, bottom fabric layer 2 includes warp and weft, and warp includes first warp and second warp, and first warp adopts single polyester fiber to constitute, and the second warp adopts many fibre to constitute, and first warp and second warp interval set up. Through adopting above-mentioned technical scheme, the second warp that many fibre constitute can form outstanding strip structure to form the strengthening rib, and then make the tensile strength of whole conveyer belt obtain improving.
As shown in fig. 3, the preparation method of the polyurethane-based oil-resistant light conveyor belt comprises the following steps:
s1: selecting 100 parts by weight of TPU powder with the model number of AH85 and 5 parts by weight of lubricant which is made of irregular-structure low-molecular-weight polypropylene, fully and uniformly mixing, coating the mixture on a polyester fabric framework to a coating thickness of 0.4mm, and then plasticizing the mixture at a high temperature of 180 ℃ for 0.15h to obtain a bottom fabric layer;
s2: selecting 100 parts by weight of PU glue and 5 parts by weight of cross-linking agent TAC with the model number of JN852 as a network cross-linking agent, fully and uniformly mixing, and grinding the mixture to 900 meshes to obtain polyurethane glue slurry;
s3: and (3) coating the polyurethane colloidal slurry obtained in the step (S2) on the bottom fabric layer obtained in the step (S1) to a coating thickness of 0.3mm, and plasticizing the coating at a high temperature of 180 ℃ for 0.15h to obtain the polyurethane-based oil-resistant light conveyor belt.
Example 2: this polyurethane substrate oil-proof light-duty conveyer belt is including the polyurethane colloidal layer from top to bottom, bottom fabric layer and polyester fabric skeleton, wherein polyurethane colloidal layer includes TPU powder 100 parts by weight, emollient 5 parts, bottom fabric layer includes PU according to the part by weight glues 100 parts, network cross-linking agent 5 parts, polyester fabric skeleton adopts polyester fiber to work out, TPU-AH85 is adopted to the material model of above-mentioned polyurethane, emollient adopts irregular structure low molecular weight polypropylene, network cross-linking agent adopts ann bang chemical industry cross-linking agent, this ann bang chemical industry cross-linking agent is JN852 cross-linking agent TAC who is made by cyanuric chloride and allyl alcohol combined reaction.
In this embodiment, the bottom fabric layer includes warp and weft, and warp includes first warp and second warp, and first warp adopts single polyester fiber to constitute, and the second warp adopts many fibre to constitute, and first warp and second warp interval set up.
The preparation method of the polyurethane substrate oil-resistant light conveyor belt comprises the following steps:
s1: selecting 100 parts by weight of TPU powder with the model number of AH85 and 5 parts by weight of lubricant which is made of irregular-structure low-molecular-weight polypropylene, fully and uniformly mixing, coating the mixture on a polyester fabric framework to a coating thickness of 0.5mm, and then plasticizing the mixture at a high temperature of 200 ℃ for 0.15h to obtain a bottom fabric layer;
s2: selecting 100 parts by weight of PU glue and 5 parts by weight of cross-linking agent TAC with the model number of JN852 as a network cross-linking agent, fully and uniformly mixing, and grinding the mixture to 900 meshes to obtain polyurethane glue slurry;
s3: and (3) coating the polyurethane colloid slurry obtained in the step (S2) on the bottom fabric layer obtained in the step (S1) to a coating thickness of 0.4mm, and plasticizing the coating at a high temperature of 200 ℃ for 0.15h to obtain the polyurethane-based oil-resistant light conveyor belt.
Example 3: this polyurethane substrate oil-proof light-duty conveyer belt is including the polyurethane colloidal layer from top to bottom, bottom fabric layer and polyester fabric skeleton, wherein polyurethane colloidal layer includes TPU powder 100 parts by weight, emollient 5 parts, bottom fabric layer includes PU according to the part by weight glues 100 parts, network cross-linking agent 5 parts, polyester fabric skeleton adopts polyester fiber to work out, TPU-AH85 is adopted to the material model of above-mentioned polyurethane, emollient adopts irregular structure low molecular weight polypropylene, network cross-linking agent adopts ann bang chemical industry cross-linking agent, this ann bang chemical industry cross-linking agent is JN852 cross-linking agent TAC who is made by cyanuric chloride and allyl alcohol combined reaction.
In this embodiment, the bottom fabric layer includes warp and weft, and warp includes first warp and second warp, and first warp adopts single polyester fiber to constitute, and the second warp adopts many fibre to constitute, and first warp and second warp interval set up.
The preparation method of the polyurethane substrate oil-resistant light conveyor belt comprises the following steps:
s1: selecting 100 parts by weight of TPU powder with the model number of AH85 and 5 parts by weight of lubricant which is made of irregular-structure low-molecular-weight polypropylene, fully and uniformly mixing, coating the mixture on a polyester fabric framework to a coating thickness of 0.45mm, and then plasticizing the mixture at a high temperature of 190 ℃ for 0.15h to obtain a bottom fabric layer;
s2: selecting 100 parts by weight of PU glue and 5 parts by weight of cross-linking agent TAC with the model number of JN852 as a network cross-linking agent, fully and uniformly mixing, and grinding the mixture to 900 meshes to obtain polyurethane glue slurry;
s3: and (3) coating the polyurethane colloid slurry obtained in the step (S2) on the bottom fabric layer obtained in the step (S1) to a coating thickness of 0.35mm, and plasticizing the coating at the high temperature of 190 ℃ for 0.15h to obtain the polyurethane-based oil-resistant light conveyor belt.
In summary, the invention has the following advantages:
1. the invention adopts the oil-resistant polyurethane with the model of TPU-AH85 as a raw material, has more excellent high-temperature oil resistance and lower oil absorption swelling rate and deformation rate compared with the universal oil-resistant polyurethane with the model of K885, and is more suitable for being used in the environment of contacting grease at high temperature for a long time.
2. The low molecular weight polypropylene with an irregular structure is used as a lubricant of the TPU, the performance is excellent, and the dispersibility of other additives can be improved.
3. The cross-linking agent TAC prepared by the reaction of cyanuric chloride and allyl alcohol is used as a network cross-linking agent, so that the vulcanization time can be obviously shortened, the mechanical property, the wear resistance, the oil resistance and the solvent resistance can be improved, the heat resistance and the mechanical strength can be obviously improved, and the heat resistance can be improved to more than 200 ℃.
4. The polyester fabric framework and the bottom fabric layer are woven by polyester fibers, so that the maximum advantages of the polyester fibers, namely wrinkle resistance and shape retention, can be exerted, and meanwhile, the tensile strength of the conveyor belt can be improved.
5. The preparation process is environment-friendly, and the purpose of oil resistance in the food processing process is achieved through the oil resistance of the polyurethane colloid layer on the surface of the conveyor belt.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. Polyurethane substrate oil-proof light conveyer belt, its characterized in that: the fabric comprises a polyurethane colloid layer (1), a bottom fabric layer (2) and a polyester fabric framework (3) from top to bottom in sequence;
the polyurethane colloidal layer (1) comprises 100 parts of oil-resistant TPU powder and 5 parts of lubricating agent in parts by weight, the bottom fabric layer (2) comprises 100 parts of PU glue and 5 parts of network cross-linking agent, and the polyester fabric framework (3) is woven by polyester fibers;
the polyurethane material adopts TPU-AH85, the lubricant adopts low molecular weight polypropylene with an irregular structure, the network cross-linking agent adopts an Anbang chemical cross-linking agent, and the Anbang chemical cross-linking agent is a cross-linking agent TAC prepared by the combined reaction of cyanuric chloride and allyl alcohol in JN 852.
2. The polyurethane substrate oil resistant light weight conveyor belt of claim 1, characterized by: bottom fabric layer (2) are including warp and weft, warp includes first warp and second warp, first warp adopts single polyester fiber to constitute, second warp adopts many fibre to constitute, first warp and the interval setting of second warp.
3. The polyurethane substrate oil resistant light weight conveyor belt of claim 1, characterized by: the preparation method of the conveying belt comprises the following steps:
s1-preparation of bottom fabric layer (2): taking 100 parts by weight of TPU powder with the model number of AH85 and 5 parts by weight of lubricant which is made of irregular-structure low-molecular-weight polypropylene, fully and uniformly mixing, coating the mixture on a polyester fabric framework (3) to a coating thickness of 0.4-0.5mm, and then plasticizing the mixture at a high temperature of 180-200 ℃ for 0.15h to obtain a bottom fabric layer (2);
s2-preparation of polyurethane colloidal slurry: taking 100 parts by weight of PU glue and 5 parts by weight of cross-linking agent TAC with the model number of JN852 as a network cross-linking agent, fully and uniformly mixing, and grinding the mixture to 900 meshes to obtain polyurethane glue slurry;
s3-coating: and (3) coating the polyurethane colloidal slurry obtained in the step (S2) on the bottom fabric layer (2) obtained in the step (S1) to a coating thickness of 0.3-0.4mm, and plasticizing the coated fabric layer at the temperature of 180-200 ℃ for 0.15h to obtain the oil-resistant light conveyor belt with the polyurethane base material.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108501487A (en) * | 2018-04-13 | 2018-09-07 | 无锡市顺晟工业制带有限公司 | The light-type conveyer belt and preparation method thereof of the compound Teflon of polyurethane surface |
| CN108589312A (en) * | 2018-04-13 | 2018-09-28 | 无锡市顺晟工业制带有限公司 | Polyurethane base material high temperature resistant light-type conveyer belt and preparation method thereof |
| 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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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108501487A (en) * | 2018-04-13 | 2018-09-07 | 无锡市顺晟工业制带有限公司 | The light-type conveyer belt and preparation method thereof of the compound Teflon of polyurethane surface |
| CN108589312A (en) * | 2018-04-13 | 2018-09-28 | 无锡市顺晟工业制带有限公司 | Polyurethane base material high temperature resistant light-type conveyer belt and preparation method thereof |
| 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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