CN105887502A - Blend-woven coated backing fabric for high-temperature resistant conveying belt - Google Patents
Blend-woven coated backing fabric for high-temperature resistant conveying belt Download PDFInfo
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- CN105887502A CN105887502A CN201610301409.6A CN201610301409A CN105887502A CN 105887502 A CN105887502 A CN 105887502A CN 201610301409 A CN201610301409 A CN 201610301409A CN 105887502 A CN105887502 A CN 105887502A
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- temperature resistant
- weight portion
- diisocyanate
- base fabric
- coating base
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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
-
- 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
-
- 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
- D06N3/0034—Polyamide fibres
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Woven Fabrics (AREA)
Abstract
The invention relates to a blend-woven coated backing fabric for a high-temperature resistant conveying belt, belonging to the technical field of power conveying belts. The blend-woven coated backing fabric for the high-temperature resistant conveying belt comprises a fabric layer blend-woven by warp yarns containing polyester fiber filaments and weft yarns containing polyamide monofilaments, wherein a polyurethane elastic layer is formed on the fabric layer in a pouring manner. According to the blend-woven coated backing fabric for the high-temperature resistant conveying belt, the polyurethane elastic layer and the fabric layer are bonded favorably, the friction property is improved, and a long service life can be expected.
Description
Technical field
The present invention relates to the technical field of dynamic conveyor belt, it is more particularly related to a kind of high-temperature resistant belt conveyer is knitted with mixed
Coating base fabric.
Background technology
The conveyer belt of coating base fabric is typically used on industrial machinery, and generally takes in the environment of the situation of rather harsh
Labour, is such as generally on active service under bearing excessive load and hot conditions, thus requires that described dynamic conveyor belt needs height
Intensity and resistance to elevated temperatures.Under high loads, Pulley shaft can occur bending and deformation, thus causes the biography limited by belt pulley
Send path to tend to crooked, if conveyer belt is relative to having inclination angle during work between belt pulley, contact with pulley flange
Conveyer belt side surface will cause abnormal abrasion.It addition, under high loads, described conveyer belt also tends to be stretched over and makes
Tensioner can not make the degree effectively compensated for, thus causes damaging to be destroyed.Grind to solve the side surface of conveyer belt
Damage and damageability stretch, generally use the fluor resin coating that coating coefficient of friction is little in the prior art, or coating graphite or
The technological means of analog.But, above-mentioned technological means can not preferably solve above-mentioned technical problem.
Summary of the invention
In order to solve above-mentioned technical problem of the prior art, it is an object of the invention to provide a kind of high-temperature resistant belt conveyer and knit with mixed
Coating base fabric.
In order to realize foregoing invention purpose, present invention employs techniques below scheme:
A kind of high-temperature resistant belt conveyer knits coating base fabric with mixed, it is characterised in that: include by the warp containing polyster fibre long filament and contain
The tissue layer of the parallel blending of polyamide monofilament, described tissue layer upper is had to be formed with elastic polyurethane layer.
Wherein, described tissue layer is formed by knitting, braiding or nonwoven.
As preferably, described parallel also includes poly p phenylene sulfide fiber (PPS) multifilament.Described PPS multifilament is that one has weight
The crystalline polymer of the multiple hard main chain of the symmetry to substituted benzene ring and sulphur atom, it can be prepared by melt spinning extrusion.In order to
Improving tensile property, described parallel is through deformation process such as false twisting, curling or jets.
As preferably, described polyster fibre long filament is prepared by following process: (1) by polybutenyl succinic acid imide,
Under the conditions of 120～150 DEG C, carry out frit reaction with diisopropylamine dichloroacetic acid ester and prepare modified particles；(2) step (1) system is taken
The standby modified particles obtained and PET resin granule double screw extruder carry out pelletize is blended, and then utilize spinning-drawing machine preparation described
Polyster fibre long filament.
Wherein, the imido molecular weight of described polybutenyl succinic is 3000～5000；Described polybutenyl succinic acid imide and two different
The weight ratio of propylamine dichloroacetic acid ester is 3～6:1；Described modified particles is 5:95～10:90 with the weight ratio of PET resin granule.
Wherein, described elastic polyurethane layer by by the diisocyanate containing 18～20 weight portions, 4.0～5.0 the polyester of weight portion many
Unit alcohol, 3.0～4.0 weight portion polyether polyol, 3.5～4.5 weight portion liquid end hydroxy styrene-butadiene rubber, 5.0～5.5 weight portion 1,
4-butanediol, 0.8～1.2 triglycidyl isocyanurate, 1.2～1.5 beta-hydroxy alkylamide, 0.20～0.25 of weight portion of weight portion
The 3 of weight portion, 5-dimethythiotoluene diamine, 0.15～0.20 weight portion water, 0.8～1.2 weight portion graphene oxide,
The catalyst of 0.15～0.20 weight portion, 0.25～0.30 compositions mix homogeneously of foam stabilizer of weight portion, be then cast in institute
State and formed in tissue layer.
The most described diisocyanate can select aromatic diisocyanate or aliphatic diisocyanate, as fragrance
The example of (cyclo) aliphatic diisocyanates, such as, can select methyl diphenylene diisocyanate, toluene di-isocyanate(TDI), phenylene two different
Cyanate, XDI, 1,5-naphthalene diisocyanate, 3,3 '-two chloro-4,4 '-diphenyl-methane two
Isocyanates etc.；As the example of aliphatic diisocyanate, such as, can select isophorone diisocyanate, hexa-methylene
Diisocyanate, 4,4 '-dicyclohexyl methyl hydride diisocyanate, hydrogenation of benzene dimethylene diisocyanate etc.；And analog.
These organic multiple isocyanates can be used alone, or can use two or more simultaneously.Preferably diphenylmethane diisocyanate
Ester (MDI), such as 4,4 '-methyl diphenylene diisocyanate.
In the present invention, described PEPA is prepared, wherein said polyhydric alcohol by polyhydric alcohol and the condensation reaction of polybasic carboxylic acid
There is 2-12, preferably 2-6 carbon atom, such as ethylene glycol (EG), diglycol (DEG), 1,2-PD (1,
2-PG), BDO (BDO), trimethylolpropane (TMP), glycerol etc..Described polybasic carboxylic acid has 2-12
Carbon atom and such as succinic acid, 1,3-propanedicarboxylic acid, adipic acid, phthalic acid, M-phthalic acid and/or p-phthalic acid or its mixture.
Described PEPA is generally of 2-4, and preferably greater than 2 to the average theory degree of functionality less than 3.The viscosity of PEPA used
It is 150～1000mPa s, preferably 200～800mPa s, described viscosity is measured at 75 DEG C.
In the present invention, described polyether polyol is with polyhydroxy or hydramine as initiator, with the ring such as propylene oxide, ethylene oxide
Oxygen compound is polymerization monomer, and open loop homopolymerization or copolymerization form, and as exemplarily, described polyether polyol can be molecular weight
Being the polyoxypropyleneglycol etc. of 500～5000, hydroxyl value is preferably 20～200mg KOH/g, and viscosity (25 DEG C) is preferably 100～600
mPa·s。
Compared with prior art, high-temperature resistant belt conveyer of the present invention is knitted coating base fabric have the advantages that with mixed
To knit elastic polyurethane layer in coating base fabric good with tissue layer bonding performance with mixed for high-temperature resistant belt conveyer of the present invention, and
Improve frictional behaviour, it is anticipated that there is long service life.
Detailed description of the invention
Below with reference to specific embodiment, high-temperature resistant belt conveyer of the present invention is knitted coating base fabric is further elaborated with mixed,
To help those skilled in the art that inventive concept, the technical scheme of the present invention are had more complete, accurate and deep understanding.
The high-temperature resistant belt conveyer of the present invention knits coating base fabric with mixed, including tissue layer, with in gathering that described tissue layer upper is formed
Urethane elastic layer.Described tissue layer is by the warp containing polyster fibre long filament and the knitting of parallel blending containing polyamide monofilament
Nitride layer, as exemplarily, described tissue layer can be formed by knitting, braiding or nonwoven.In the present invention, described polyamide
Monofilament, including nylon 6, nylon66 fiber etc., can also is that aromatic polyamide, such as poly(p-benzamide) in addition.In order to further
Improving wear-resisting and thermostability performance, the most described parallel also includes poly p phenylene sulfide fiber (PPS) multifilament.Described PPS
Multifilament is a kind of crystalline polymer having and repeating the hard main chain of the symmetry to substituted benzene ring and sulphur atom, and it can be squeezed by melt spinning
Go out to prepare.In order to improve tensile property, described parallel is through deformation process such as false twisting, curling or jets.Described terylene is fine
The POY long filament that dimension long filament can obtain with high speed spinning, or FDY filament, or draw textured yarn DTY, or air-texturing
Silk ATY；As preferably, in order to improve tensile property, preferably DTY long filament or ATY long filament.In the present invention, wash described in
Synthetic fibre fiber filament can be that polyethylene terephtalate section prepares through melt spinning, but in order to improve fabric
Adhesiveness between layer and elastic polyurethane layer and bonding performance, described PET preferably is modified processing by modifying agent.At this
In invention, described fabric can be warp and the woven fabric of parallel formation of the most required angle, such as, can be 1 × 1,1 × 2,
2 × 2,3 × 2,2 × 3, or 3 × 3 etc..
In the present invention, described elastic polyurethane layer is by by diisocyanate containing 18～20 weight portions, 4.0～5.0 weight portions
PEPA, 3.0～4.0 polyether polyol, 3.5～4.5 liquid end hydroxy styrene-butadiene rubber, 5.0～5.5 weights of weight portion of weight portion
Amount the BDO of part, 0.8～1.2 weight portion triglycidyl isocyanurate, 1.2～1.5 weight portion beta-hydroxy alkylamide,
The 3 of 0.20～0.25 weight portion, 5-dimethythiotoluene diamine, 0.15～0.20 water, 0.8～1.2 graphite oxide of weight portion of weight portion
Alkene, 0.15～0.20 weight portion catalyst, 0.25～0.30 the compositions of foam stabilizer of weight portion mix under conditions of 95～100 DEG C
Uniformly, (preheating temperature is 115 DEG C) reaction 25～30 points then it is injected in the preheated mould being placed with described tissue layer
Clock, the demoulding, followed by aging.The most described diisocyanate can select aromatic diisocyanate or aliphatic
Diisocyanate, as the example of aromatic diisocyanate, such as, can select methyl diphenylene diisocyanate, toluene two
Isocyanates, phenylene vulcabond, XDI, 1,5-naphthalene diisocyanate, 3,3 '-
Two chloro-4,4 '-'-diphenylmethane diisocyanate etc.；As the example of aliphatic diisocyanate, such as, can select different Fo Er
Ketone diisocyanate, hexamethylene diisocyanate, 4,4 '-dicyclohexyl methyl hydride diisocyanate, hydrogenation of benzene dimethylene two
Isocyanates etc.；And analog.These organic multiple isocyanates can be used alone, or can use two or more simultaneously.
Preferably methyl diphenylene diisocyanate (MDI), such as 4,4 '-methyl diphenylene diisocyanate.Described PEPA
Being prepared by polyhydric alcohol and the condensation reaction of polybasic carboxylic acid, wherein said polyhydric alcohol has 2-12, preferably 2-6 carbon atom, example
As ethylene glycol (EG), diglycol (DEG), 1,2-PD (1,2-PG), BDO (BDO),
Trimethylolpropane (TMP), glycerol etc..Described polybasic carboxylic acid have 2-12 carbon atom and as succinic acid, 1,3-propanedicarboxylic acid, oneself
Diacid, phthalic acid, M-phthalic acid and/or p-phthalic acid or its mixture.Described PEPA is generally of 2-4,
Preferably greater than 2 to the average theory degree of functionality less than 3.The viscosity of PEPA used is 150～1000mPa s, is preferably
200～800mPa s, described viscosity is measured at 75 DEG C.Described polyether polyol is with polyhydroxy or hydramine as initiator, with
The epoxide such as propylene oxide, ethylene oxide is polymerization monomer, and open loop homopolymerization or copolymerization form, as exemplarily, described
Polyether polyol can be molecular weight be the polyoxypropyleneglycol etc. of 500～5000, hydroxyl value is preferably 20～200mg KOH/g,
Viscosity (25 DEG C) is preferably 100～600mPa s.
As exemplarily in following example and comparative example, described diisocyanate is liquefied mdi, the magnificent poly-ammonia in Yantai ten thousand
Ester limited company, the trade mark is Wannate MDI-100HL.Described PEPA is PEDA-2000, and hydroxyl value is 53～59
Mg KOH/g, the viscosity measured at 75 DEG C is 500～800.Described polyether polyol be molecular weight Mn be the polyoxygenated of 2000
Propylene glycol, its hydroxyl value is 54～58mg KOH/g, and the viscosity measured at 25 DEG C is 260～370.Described end hydroxy styrene-butadiene liquid
Body rubber, purchased from Shandong Zibo Qi Long Chemical Co., Ltd., molecular weight Mn is more than 2000, and hydroxyl value is 0.70～0.80mmol/g.
In following example and comparative example, tissue layer uses the weaving manner of 2 × 2 fabrics, weight 2.5g/dm2, described warp
Using (modified or the most modified) polyster fibre DTY long filament, described parallel uses nylon66 fiber monofilament.
Embodiment 1
The present embodiment relates to the preparation of polyster fibre DTY long filament.The DTY long filament of the present embodiment is prepared by following process
Obtain: after taking the mixing of PET resin granule, carry out drying under reduced pressure, carry out pelletize, described twin screw are blended with double screw extruder
The temperature in each district of extruder is as shown in table 1:
Table 1
| One district | 2nd district | 3rd district | 4th district | 5th district |
| 220℃ | 250℃ | 280℃ | 260℃ | 230℃ |
Cut into slices (intrinsic viscosity controls 0.64～0.66dL/g, fusing point >=260 DEG C) after air cooling on a moving belt, use conventional heat
Roller pulling method prepares FDY filament.
Embodiment 2
The present embodiment relates to the preparation of the polyster fibre DTY long filament of modification.The DTY long filament of the present embodiment is by following process
Prepare: first, polybutenyl succinic acid imide and the diisopropylamine dichloroacetic acid ester that mean molecule quantity is 3500 is existed
Under the conditions of 150 DEG C, carry out frit reaction 60 minutes under the protective atmosphere of nitrogen, prepare modified particles, wherein said polybutene
The weight ratio of base butanimide and diisopropylamine dichloroacetic acid ester is 5:1.Then, the modification that step prepares is taken
Grain carries out drying under reduced pressure mix (weight ratio is 10:90) with PET resin granule after, carries out being blended with double screw extruder and makes
Grain, the temperature in each district of described double screw extruder is as shown in table 2:
Table 2
| One district | 2nd district | 3rd district | 4th district | 5th district |
| 220℃ | 250℃ | 280℃ | 260℃ | 230℃ |
Cut into slices (intrinsic viscosity controls 0.64～0.66dL/g, fusing point >=260 DEG C) after air cooling on a moving belt, use conventional heat
Roller pulling method prepares FDY filament.
Embodiment 3
In the coating base fabric of the present embodiment, tissue layer uses the weaving manner of 2 × 2 fabrics, weight 2.5g/dm2, described warp
Using the polyster fibre DTY long filament of embodiment 1, described parallel uses nylon66 fiber monofilament.Described elastic polyurethane layer passes through
By the liquefied mdi containing 20 weight portions, the PEDA-2000 of 5.0 weight portions, the polyoxypropyleneglycol of 3.0 weight portions
(Mn=2000), the liquid end hydroxy styrene-butadiene rubber of 4.0 weight portions, the BDO of 5.0 weight portions, 1.2 weight portions
Triglycidyl isocyanurate, the beta-hydroxy alkylamide of 1.5 weight portions, the 3 of 0.20 weight portion, 5-dimethyl sulphur-based toluene
Diamidogen, the water of 0.20 weight portion, the graphene oxide of 1.2 weight portions, the dibutyl tin laurate of 0.20 weight portion, 0.25
The compositions of the foam stabilizer L-5305 of weight portion mix homogeneously under conditions of 95～100 DEG C, is then injected into preheated putting
It is equipped with in the mould of described tissue layer (preheating temperature is 115 DEG C) to react 25～30 minutes, the demoulding, followed by aging.
Embodiment 4
In the coating base fabric of the present embodiment, tissue layer uses the weaving manner of 2 × 2 fabrics, weight 2.5g/dm2, described warp
Using the polyster fibre DTY long filament of embodiment 1, described parallel uses nylon66 fiber monofilament.Described elastic polyurethane layer passes through
By the liquefied mdi containing 18 weight portions, the PEDA-2000 of 4.0 weight portions, the polyoxypropyleneglycol of 4.0 weight portions
(Mn=2000), the liquid end hydroxy styrene-butadiene rubber of 4.0 weight portions, the BDO of 5.0 weight portions, 1.0 weight portions
Triglycidyl isocyanurate, the beta-hydroxy alkylamide of 1.2 weight portions, the 3 of 0.20 weight portion, 5-dimethyl sulphur-based toluene
Diamidogen, the water of 0.18 weight portion, the graphene oxide of 1.0 weight portions, the dibutyl tin laurate of 0.18 weight portion, 0.25
The compositions of the foam stabilizer L-5305 of weight portion mix homogeneously under conditions of 95～100 DEG C, is then injected into preheated putting
It is equipped with in the mould of described tissue layer (preheating temperature is 115 DEG C) to react 25～30 minutes, the demoulding, followed by aging.
Embodiment 5
In the coating base fabric of the present embodiment, tissue layer uses the weaving manner of 2 × 2 fabrics, weight 2.5g/dm2, described warp
Using the polyster fibre DTY long filament of embodiment 2, described parallel uses nylon66 fiber monofilament.Described elastic polyurethane layer passes through
By the liquefied mdi containing 20 weight portions, the PEDA-2000 of 5.0 weight portions, the polyoxypropyleneglycol of 3.0 weight portions
(Mn=2000), the liquid end hydroxy styrene-butadiene rubber of 4.0 weight portions, the BDO of 5.0 weight portions, 1.2 weight portions
Triglycidyl isocyanurate, the beta-hydroxy alkylamide of 1.5 weight portions, the 3 of 0.20 weight portion, 5-dimethyl sulphur-based toluene
Diamidogen, the water of 0.20 weight portion, the graphene oxide of 1.2 weight portions, the dibutyl tin laurate of 0.20 weight portion, 0.25
The compositions of the foam stabilizer L-5305 of weight portion mix homogeneously under conditions of 95～100 DEG C, is then injected into preheated putting
It is equipped with in the mould of described tissue layer (preheating temperature is 115 DEG C) to react 25～30 minutes, the demoulding, followed by aging.
Embodiment 6
In the coating base fabric of the present embodiment, tissue layer uses the weaving manner of 2 × 2 fabrics, weight 2.5g/dm2, described warp
Using the polyster fibre DTY long filament of embodiment 2, described parallel uses nylon66 fiber monofilament.Described elastic polyurethane layer passes through
By the liquefied mdi containing 18 weight portions, the PEDA-2000 of 4.0 weight portions, the polyoxypropyleneglycol of 4.0 weight portions
(Mn=2000), the liquid end hydroxy styrene-butadiene rubber of 4.0 weight portions, the BDO of 5.0 weight portions, 1.0 weight portions
Triglycidyl isocyanurate, the beta-hydroxy alkylamide of 1.2 weight portions, the 3 of 0.20 weight portion, 5-dimethyl sulphur-based toluene
Diamidogen, the water of 0.18 weight portion, the graphene oxide of 1.0 weight portions, the dibutyl tin laurate of 0.18 weight portion, 0.25
The compositions of the foam stabilizer L-5305 of weight portion mix homogeneously under conditions of 95～100 DEG C, is then injected into preheated putting
It is equipped with in the mould of described tissue layer (preheating temperature is 115 DEG C) to react 25～30 minutes, the demoulding, followed by aging.
Comparative example 1
This comparative example relates to the preparation of the polyster fibre DTY long filament of modification.The DTY long filament of this comparative example is by following technique side
Method prepares: is averaged the polybutenyl succinic acid imide that molecular weight is 3500 and mixes with PET resin granule that (weight ratio is
Carry out drying under reduced pressure after 10:90), carry out pelletize, the temperature in described double screw extruder each district are blended with double screw extruder
As shown in table 3:
Table 3
| One district | 2nd district | 3rd district | 4th district | 5th district |
| 220℃ | 250℃ | 280℃ | 260℃ | 230℃ |
Cut into slices after air cooling on a moving belt, use conventional hot-rolling pulling method to prepare FDY filament.
Comparative example 2
In the coating base fabric of this comparative example, tissue layer uses the weaving manner of 2 × 2 fabrics, weight 2.5g/dm2, described warp
Using the polyster fibre DTY long filament of comparative example 1, described parallel uses nylon66 fiber monofilament.Described elastic polyurethane layer passes through
By the liquefied mdi containing 20 weight portions, the PEDA-2000 of 5.0 weight portions, the polyoxypropyleneglycol of 3.0 weight portions
(Mn=2000), the liquid end hydroxy styrene-butadiene rubber of 4.0 weight portions, the BDO of 5.0 weight portions, 1.2 weight portions
Triglycidyl isocyanurate, the beta-hydroxy alkylamide of 1.5 weight portions, the 3 of 0.20 weight portion, 5-dimethyl sulphur-based toluene
Diamidogen, the water of 0.20 weight portion, the graphene oxide of 1.2 weight portions, the dibutyl tin laurate of 0.20 weight portion, 0.25
The compositions of the foam stabilizer L-5305 of weight portion mix homogeneously under conditions of 95～100 DEG C, is then injected into preheated putting
It is equipped with in the mould of described tissue layer (preheating temperature is 115 DEG C) to react 25～30 minutes, the demoulding, followed by aging.
Comparative example 3
In the coating base fabric of this comparative example, tissue layer uses the weaving manner of 2 × 2 fabrics, weight 2.5g/dm2, described warp
Using the polyster fibre DTY long filament of embodiment 2, described parallel uses nylon66 fiber monofilament.Described elastic polyurethane layer passes through
By the liquefied mdi containing 20 weight portions, the PEDA-2000 of 5.0 weight portions, the polyoxypropyleneglycol of 3.0 weight portions
(Mn=2000), the liquid end hydroxy styrene-butadiene rubber of 4.0 weight portions, the BDO of 5.0 weight portions, 1.2 weight portions
Triglycidyl isocyanurate, the 3 of 0.20 weight portion, 5-dimethythiotoluene diamine, the water of 0.20 weight portion, 1.2
The graphene oxide of weight portion, the dibutyl tin laurate of 0.20 weight portion, the group of foam stabilizer L-5305 of 0.25 weight portion
Compound is mix homogeneously under conditions of 95～100 DEG C, is then injected in the preheated mould being placed with described tissue layer (pre-
Hot temperature is 115 DEG C) react 25～30 minutes, the demoulding, followed by aging.
Comparative example 4
In the coating base fabric of this comparative example, tissue layer uses the weaving manner of 2 × 2 fabrics, weight 2.5g/dm2, described warp
Using the polyster fibre DTY long filament of embodiment 2, described parallel uses nylon66 fiber monofilament.Described elastic polyurethane layer passes through
By the liquefied mdi containing 20 weight portions, the PEDA-2000 of 5.0 weight portions, the polyoxypropyleneglycol of 3.0 weight portions
(Mn=2000), the liquid end hydroxy styrene-butadiene rubber of 4.0 weight portions, the BDO of 5.0 weight portions, 1.2 weight portions
Triglycidyl isocyanurate, the diethanolamine of 1.5 weight portions, the 3 of 0.20 weight portion, 5-dimethythiotoluene diamine,
The water of 0.20 weight portion, the graphene oxide of 1.2 weight portions, the dibutyl tin laurate of 0.20 weight portion, 0.25 weight portion
Compositions mix homogeneously under conditions of 95～100 DEG C of foam stabilizer L-5305, be then injected into preheated placement
State (preheating temperature is 115 DEG C) in the mould of tissue layer to react 25～30 minutes, the demoulding, followed by aging.
Comparative example 5
In the coating base fabric of this comparative example, tissue layer uses the weaving manner of 2 × 2 fabrics, weight 2.5g/dm2, described warp
Using the polyster fibre DTY long filament of embodiment 2, described parallel uses nylon66 fiber monofilament.Described elastic polyurethane layer passes through
By the liquefied mdi containing 20 weight portions, the PEDA-2000 of 5.0 weight portions, the polyoxypropyleneglycol of 3.0 weight portions
(Mn=2000), the liquid end hydroxy styrene-butadiene rubber of 4.0 weight portions, the BDO of 5.0 weight portions, 1.2 weight portions
Triglycidyl isocyanurate, the beta-hydroxy alkylamide of 1.5 weight portions, the water of 0.20 weight portion, the oxidation of 1.2 weight portions
Graphene, the dibutyl tin laurate of 0.20 weight portion, 0.25 weight portion the compositions of foam stabilizer L-5305 at 95～100 DEG C
Under conditions of mix homogeneously, in being then injected into the preheated mould being placed with described tissue layer (preheating temperature is 115 DEG C)
React 25～30 minutes, the demoulding, followed by aging.
Embodiment 3～6 and the mixed coating base fabric of knitting for preparing of comparative example 2～5 carry out disbonded test and dynamic friction test
(0.15g/mm, linear velocity is 300mm/min), result is respectively as shown in table 4 and table 5.
Table 4
Table 5
| Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | Comparative example 2 | Comparative example 3 | Comparative example 4 | Comparative example 5 | |
| Dynamic friction is tested | 0.16 | 0.16 | 0.16 | 0.16 | 0.18 | 0.18 | 0.18 | 0.20 |
For the ordinary skill in the art, the present invention is simply exemplarily described by specific embodiment, it is clear that
The present invention implements and is not subject to the restrictions described above, as long as have employed the method design of the present invention and technical scheme is carried out
The improvement of various unsubstantialities, or the most improved design by the present invention and technical scheme directly apply to other occasion, all
Within protection scope of the present invention.
Claims (10)
1. a high-temperature resistant belt conveyer knits coating base fabric with mixed, it is characterised in that: include by the warp containing polyster fibre long filament and
The tissue layer of the parallel blending containing polyamide monofilament, described tissue layer upper is formed with elastic polyurethane layer.
High-temperature resistant belt conveyer the most according to claim 1 knits coating base fabric with mixed, it is characterised in that: described tissue layer by knitting,
Braiding or nonwoven are formed.
High-temperature resistant belt conveyer the most according to claim 1 knits coating base fabric with mixed, it is characterised in that: described parallel also includes gathering
To sulfide fibers multifilament.
High-temperature resistant belt conveyer the most according to claim 1 knits coating base fabric with mixed, it is characterised in that: described parallel is through deformation
Process, at least one in false twisting, curling or jet of described deformation process.
High-temperature resistant belt conveyer the most according to claim 1 knits coating base fabric with mixed, it is characterised in that: described polyster fibre long filament
Prepared by following process: (1) by polybutenyl succinic acid imide and diisopropylamine dichloroacetic acid ester at 120～150 DEG C
Under the conditions of carry out frit reaction, prepare modified particles；(2) modified particles and PET resin that step (1) prepares are taken
Grain double screw extruder carries out pelletize is blended, and then utilizes spinning-drawing machine to prepare described polyster fibre long filament.
High-temperature resistant belt conveyer the most according to claim 5 knits coating base fabric with mixed, it is characterised in that: described polybutenyl succinic
Imido molecular weight is 3000～5000；Described polybutenyl succinic acid imide with the weight ratio of diisopropylamine dichloroacetic acid ester is
3～6:1；Described modified particles is 5:95～10:90 with the weight ratio of PET resin granule.
High-temperature resistant belt conveyer the most according to claim 1 knits coating base fabric with mixed, it is characterised in that: described elastic polyurethane layer
By by the diisocyanate containing 18～20 weight portions, 4.0～5.0 weight portion PEPA, 3.0～4.0 the polyethers of weight portion many
Unit's alcohol, 3.5～4.5 liquid end hydroxy styrene-butadiene rubber, 5.0～5.5 BDO, 0.8～1.2 weight portions of weight portion of weight portion
Triglycidyl isocyanurate, 1.2～1.5 weight portion beta-hydroxy alkylamide, 0.20～0.25 weight portion 3,5-dimethyl sulphur-based first
Phenylenediamine, 0.15～0.20 weight portion water, 0.8～1.2 weight portion graphene oxide, 0.15～0.20 weight portion catalyst,
The compositions mix homogeneously of the foam stabilizer of 0.25～0.30 weight portion, is then cast in described tissue layer formation.
High-temperature resistant belt conveyer the most according to claim 7 knits coating base fabric with mixed, it is characterised in that: described diisocyanate selects
From methyl diphenylene diisocyanate, toluene di-isocyanate(TDI), phenylene vulcabond, XDI, 1,
5-naphthalene diisocyanate, 3,3 '-two chloro-4,4 '-'-diphenylmethane diisocyanate, isophorone diisocyanate, six
Methylene diisocyanate, 4, in 4 '-dicyclohexyl methyl hydride diisocyanate, or hydrogenation of benzene dimethylene diisocyanate extremely
Few one.
High-temperature resistant belt conveyer the most according to claim 7 knits coating base fabric with mixed, it is characterised in that: described PEPA by
The condensation reaction of polyhydric alcohol and polybasic carboxylic acid and prepare, the viscosity that PEPA used is measured at 75 DEG C is 150～1000
mPa·s。
High-temperature resistant belt conveyer the most according to claim 7 knits coating base fabric with mixed, it is characterised in that: described polyether polyol
For with polyhydroxy or hydramine as initiator, with the epoxide such as propylene oxide, ethylene oxide for polymerization monomer, open loop homopolymerization or
Copolymerization forms；Described polyether polyol be molecular weight be the polyoxypropyleneglycol of 500～5000, at 25 DEG C measure viscosity be
100～600mPa s.
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| CN105887502B (en) | 2018-04-17 |
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Denomination of invention: Mixed fabric coated backing cloth for high temperature resistant conveyor belt Effective date of registration: 20221226 Granted publication date: 20180417 Pledgee: Agricultural Bank of China Limited by Share Ltd. South Lake branch Pledgor: WERKER INDUSTRIAL TEXTILE (JIAXING) Co.,Ltd. Registration number: Y2022980029169 |
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