CN107718812A - Polyurethane foodweb and its manufacture method - Google Patents
Polyurethane foodweb and its manufacture method Download PDFInfo
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- CN107718812A CN107718812A CN201710734030.9A CN201710734030A CN107718812A CN 107718812 A CN107718812 A CN 107718812A CN 201710734030 A CN201710734030 A CN 201710734030A CN 107718812 A CN107718812 A CN 107718812A
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- tpu
- fabric layer
- layers
- middle fabric
- polyurethane
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- 229920002635 polyurethane Polymers 0.000 title claims abstract description 22
- 239000004814 polyurethane Substances 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 239000010410 layer Substances 0.000 claims abstract description 95
- 239000004744 fabric Substances 0.000 claims abstract description 63
- 239000003292 glue Substances 0.000 claims abstract description 17
- 230000008595 infiltration Effects 0.000 claims abstract description 17
- 238000001764 infiltration Methods 0.000 claims abstract description 17
- 239000002344 surface layer Substances 0.000 claims abstract description 14
- 239000000853 adhesive Substances 0.000 claims abstract description 11
- 230000001070 adhesive effect Effects 0.000 claims abstract description 11
- 239000012790 adhesive layer Substances 0.000 claims abstract description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 18
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 16
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 16
- 239000011248 coating agent Substances 0.000 claims description 16
- 238000000576 coating method Methods 0.000 claims description 16
- 229920000728 polyester Polymers 0.000 claims description 12
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 6
- 238000004026 adhesive bonding Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract 1
- 238000009736 wetting Methods 0.000 abstract 1
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
- B32B37/1292—Application of adhesive selectively, e.g. in stripes, in patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/28—Multiple coating on one surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2433/00—Closed loop articles
- B32B2433/02—Conveyor belts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Laminated Bodies (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a kind of polyurethane foodweb and its manufacture method, it is characterized in that：Include surface TPU surface layers, middle fabric layer, TPU adhesive layers and bottom fabric successively from up to down, it is characterised in that：The two sides up and down of the middle fabric layer are equipped with TPU soakage layers, and the TPU soakage layers of the both sides up and down are glued with TPU surface layers and TPU adhesive layers respectively, and some TPU train of thoughts silks are connected between the two TPU soakage layers；The middle fabric layer includes some radial direction silks to intermesh and some broadwise silks, and infall is provided with some train of thought holes between the warpwise silk and broadwise silk, the TPU train of thoughts silk is connected to two TPU soakage layers through train of thought hole.The present invention's is closer by being bonded between making every layer of foodstuff conveyor belt in the infiltration glue of middle fabric layer surrounding wetting and TPU adhesive glue same materials, avoids the occurrence of situation about coming unglued, adds the service life of conveyer belt.
Description
Technical field
The present invention relates to a kind of conveyer belt, in particular it is related to a kind of polyurethane foodweb and its manufacturer
Method.
Background technology
For the existing main surface layer of foodstuffs without toxicity conveyer belt of food service industry using TPU as raw material, it has nontoxic, pollution-free, table
Surface layer abrasion resistance is strong, the intensity that circumnutates is high, antistatic property is good, oil resistant, resistance to general chemical permeation, stretch-proof, product chi
The advantages that very little precision is high, quality is easily controllable, service life is long, present TPU processing methods are usually to coat high-temperature shaping
Mode is processed, and adhesive glue is applied directly in tissue layer, and is bonded, the mode of this coating, adhesive glue tightly with
Support layer surface carries out adhesion, and this adhesion mode is easy to because transmission fabric layer and adhesive layer in actual use
Between deformation quantity it is not reciprocity and situation about coming unglued occur, greatly reduce the service life of conveyer belt.
The content of the invention
In view of the shortcomings of the prior art, the invention provides a kind of polyurethane foodweb and its manufacture method.
To achieve the above object, the invention provides following technical scheme：
A kind of polyurethane foodweb, include surface TPU surface layers, middle fabric layer, TPU adhesive layers successively from up to down and knit
Thing bottom, the two sides up and down of the middle fabric layer are equipped with TPU soakage layers, the TPU soakage layers difference of the both sides up and down
It is glued with TPU surface layers and TPU adhesive layers, it is connected with some TPU train of thoughts silks between the two TPU soakage layers；The intermediate fabric
Layer includes some radial direction silks to intermesh and some broadwise silks, and infall is provided with some train of thoughts between the warpwise silk and broadwise silk
Hole, the TPU train of thoughts silk is connected to two TPU soakage layers through train of thought hole.
Preferably, the TPU surface layers include TUP cementing layers and plasticizing coating, and the TUP cementing layers disposably apply
Cover, thickness 0.3mm, hardness is shoreA90 °, and the plasticizing coating is that white TPU powder plastifies to be formed through 190 DEG C of high temperature.
Preferably, the middle fabric layer uses radial direction 1000D ultralow contractive polyester silks, and broadwise uses 0.3mm polyester lists
Silk plain weave weave, warpwise silk and broadwise silk density ratio are 43:23, the bottom fabric uses radial direction 1000D ultralow contractive polyesters
Silk, broadwise use 0.3mm monofilament polyester plain weave weaves, and warpwise silk and broadwise silk density ratio are 46:38.
Its specific procedure of processing is：
The first step:Middle fabric layer infiltration is infiltrated in gluing to TPU, is impregnated with middle fabric layer, processing temperature completely to TPU infiltration glue
180 DEG C ~ 200 DEG C of degree；
Second step：Middle fabric layer high-temperature shaping, infiltration glue is set to be evenly distributed in middle fabric layer, and in middle fabric layer two
Face carries out striking off processing, and both sides form TPU soakage layers, and low-temperature shaped, processing temperature 80 DEG C ~ 100 above and below middle fabric layer
℃；
3rd step：Middle fabric layer after sizing is sent into coating machine, TPU adhesives are coated in middle fabric layer upper side,
160 DEG C ~ 210 DEG C of processing temperature, speed 6m/min ~ 8m/min, every square of dosage control is in 80g, in middle fabric layer upper surface
Form TPU superficial layers；
4th step：TPU superficial layers coat TPU powder, 190 DEG C ~ 210 DEG C of processing temperature, speed 4m/min ~ 5m/min；
5th step：Respectively middle fabric layer downside and bottom fabric layer upper side coating TPU adhesives, 170 DEG C of work temperature ~
190 DEG C, speed 4m/min ~ 5m/min.
6th step：It is two-sided laminating, 160 DEG C ~ 210 DEG C speed 4m/min ~ 5m/min of processing temperature.
Preferably, the TPU infiltrations glue is formulated by weight percentage：
Polyurethane 15% ~ 20%
Toluene 25% ~ 35%
Dimethyl carbonate 15% ~ 20%
Acetone or butanone 35% ~ 40%
Stabilizer 1% ~ 2%
Appropriate mill base.
Preferably, the TPU adhesive formulas are by weight percentage：
Polyurethane 20% ~ 25%
Toluene 25% ~ 35%
Dimethyl carbonate 15% ~ 20%
Acetone or butanone 25% ~ 30%
Stabilizer 2% ~ 3%
Appropriate mill base.
Brief description of the drawings
Fig. 1 is a kind of structural representation of polyurethane foodweb of the present invention.
Reference：1st, TPU surface layers；11st, TPU cementing layers；12nd, coating 2, middle fabric layer are plastified；3rd, TPU adhesive layers；
4th, bottom fabric；5th, TPU soakage layers；6th, TPU train of thoughts silk.
Embodiment
Polyurethane foodweb of the present invention and its manufacture method are further described by Fig. 1.
Embodiment one：
A kind of polyurethane foodweb, include surface TPU surface layers 1, middle fabric layer 2, TPU adhesive layers 3 successively from up to down
With bottom fabric 4, the two sides up and down of the middle fabric layer 2 are equipped with TPU soakage layers 5, the TPU infiltrations of the both sides up and down
Layer 5 is glued with TPU surface layers 1 and TPU adhesive layers 3 respectively, and some TPU train of thoughts silks 6 are connected between the two TPU soakage layers 5；Institute
Middle fabric layer 2 is stated including some radial direction silks to intermesh and some broadwise silks, infall between the warpwise silk and broadwise silk
Provided with some train of thought holes, the TPU train of thoughts silk 6 is connected to two TPU soakage layers 5 through train of thought hole.
Preferably, the TPU surface layers 1 include TPU cementing layers 11 and plasticizing coating 12, the TPU cementing layers 11 1
Secondary property coating, thickness 0.3mm, hardness are shoreA90 °, and the plasticizing coating 12 is that white TPU powder is moulded through 190 DEG C of high temperature
Change and formed.
Preferably, the middle fabric layer 2 uses radial direction 1000D ultralow contractive polyester silks, and broadwise uses 0.3mm polyester lists
Silk plain weave weave, warpwise silk and broadwise silk density ratio are 43:23, the bottom fabric 4 uses radial direction 1000D ultralow contractive polyesters
Silk, broadwise use 0.3mm monofilament polyester plain weave weaves, and warpwise silk and broadwise silk density ratio are 46:38.
It is concretely comprised the following steps：
The first step:Middle fabric layer 2 is infiltrated in TPU infiltration gluings, is impregnated with middle fabric layer 2 completely to TPU infiltration glue, is processed
180 DEG C ~ 200 DEG C of temperature；
Second step：The high-temperature shaping of middle fabric layer 2, makes infiltration glue be evenly distributed in middle fabric layer 2, and in middle fabric layer
2 two sides are carried out striking off processing, and TPU soakage layers 5, and low-temperature shaped, 80 DEG C of processing temperature are formed in both sides about 2 in middle fabric layer
~100℃；
3rd step：Middle fabric layer 2 after sizing is sent into coating machine, in the coating TPU bondings of the upper side of middle fabric layer 2
Agent, 160 DEG C ~ 210 DEG C of processing temperature, speed 6m/min ~ 8m/min, every square of dosage control is in 80g, on middle fabric layer 2
Surface forms TPU superficial layers；
4th step：TPU superficial layers coat TPU powder, 190 DEG C ~ 210 DEG C of processing temperature, speed 4m/min ~ 5m/min；
5th step：Respectively the downside of middle fabric layer 2 and bottom fabric layer upper side coating TPU adhesives, 170 DEG C of work temperature ~
190 DEG C, speed 4m/min ~ 5m/min.
6th step：It is two-sided laminating, 160 DEG C ~ 210 DEG C speed 4m/min ~ 5m/min of processing temperature.
Preferably, the TPU infiltrations glue is formulated by weight percentage：
Polyurethane 15% ~ 20%
Toluene 25% ~ 35%
Dimethyl carbonate 15% ~ 20%
Acetone or butanone 35% ~ 40%
Stabilizer 1% ~ 2%
Appropriate mill base.
Preferably, the TPU adhesive formulas are by weight percentage：
Polyurethane 20% ~ 25%
Toluene 25% ~ 35%
Dimethyl carbonate 15% ~ 20%
Acetone or butanone 25% ~ 30%
Stabilizer 2% ~ 3%
Appropriate mill base.
In summary, by the present invention in that diluting polyurethane with acetone or butanone, make TPU glue mobility stronger, suitable pair
The infiltration of middle fabric layer, make to form some train of thoughts between middle fabric layer by the warp and weft plain weave weave of low-density
Hole, infiltration glue is flowed between middle fabric layer and train of thought hole, and be attached together, infiltration is formed between tissue layer
Layer, some train of thought silks between soakage layer be present, being bonded on middle fabric layer tightly, steam acetone or butanone by high temperature
Hair makes to be combined with each other between infiltration gluing TPU glue to be bonded together, and ensures the degree of adhesion between adhesive glue and middle fabric layer, prevents
Only there is the situation that conveyer belt comes unglued, service life lengthens significantly.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of polyurethane foodweb, include successively from up to down surface TPU surface layers, middle fabric layer, TPU adhesive layers and
Bottom fabric, it is characterised in that：The two sides up and down of the middle fabric layer are equipped with TPU soakage layers, the both sides up and down
TPU soakage layers are glued with TPU surface layers and TPU adhesive layers respectively, and some TPU train of thoughts silks are connected between the two TPU soakage layers；
The middle fabric layer includes some radial direction silks to intermesh and some broadwise silks, infall between the warpwise silk and broadwise silk
Provided with some train of thought holes, the TPU train of thoughts silk is connected to two TPU soakage layers through train of thought hole.
A kind of 2. polyurethane foodweb according to claim 1, it is characterised in that：The TPU surface layers include
TUP cementing layers and plasticizing coating, the TUP cementing layers disposably coat, and thickness 0.3mm, hardness is shoreA90 °, described
Plasticizing coating is that white TPU powder plastifies to be formed through 190 DEG C of high temperature.
A kind of 3. polyurethane foodweb according to claim 1, it is characterised in that：The middle fabric layer uses footpath
To 1000D ultralow contractive polyester silks, broadwise uses 0.3mm monofilament polyester plain weave weaves, and warpwise silk and broadwise silk density ratio are 43:
23, the bottom fabric uses radial direction 1000D ultralow contractive polyester silks, and broadwise uses 0.3mm monofilament polyester plain weave weaves, warp-wise
Silk and broadwise silk density ratio are 46:38.
4. the manufacture method of the polyurethane foodweb according to any one in claim 1-3, it is characterised in that bag
Include following step：
The first step:Middle fabric layer infiltration is infiltrated in gluing to TPU, is impregnated with middle fabric layer, processing temperature completely to TPU infiltration glue
180 DEG C ~ 200 DEG C of degree；
Second step：Middle fabric layer high-temperature shaping, infiltration glue is set to be evenly distributed in middle fabric layer, and in middle fabric layer two
Face carries out striking off processing, and both sides form TPU soakage layers, and low-temperature shaped, processing temperature 80 DEG C ~ 100 above and below middle fabric layer
℃；
3rd step：Middle fabric layer after sizing is sent into coating machine, TPU adhesives are coated in middle fabric layer upper side,
160 DEG C ~ 210 DEG C of processing temperature, speed 6m/min ~ 8m/min, every square of dosage control is in 80g, in middle fabric layer upper surface
Form TPU superficial layers；
4th step：TPU superficial layers coat TPU powder, 190 DEG C ~ 210 DEG C of processing temperature, speed 4m/min ~ 5m/min；
5th step：Respectively middle fabric layer downside and bottom fabric layer upper side coating TPU adhesives, 170 DEG C of work temperature ~
190 DEG C, speed 4m/min ~ 5m/min；
6th step：It is two-sided laminating, 160 DEG C ~ 210 DEG C speed 4m/min ~ 5m/min of processing temperature.
5. the manufacture method of polyurethane foodweb according to claim 4, it is characterised in that：The TPU infiltrates glue
Formula is by weight percentage：
Polyurethane 15% ~ 20%
Toluene 25% ~ 35%
Dimethyl carbonate 15% ~ 20%
Acetone or butanone 35% ~ 40%
Stabilizer 1% ~ 2%
Appropriate mill base.
6. the manufacture method of polyurethane foodweb according to claim 4, it is characterised in that：
Polyurethane 20% ~ 25%
Toluene 25% ~ 35%
Dimethyl carbonate 15% ~ 20%
Acetone or butanone 25% ~ 30%
Stabilizer 2% ~ 3%
Appropriate mill base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710734030.9A CN107718812A (en) | 2017-08-24 | 2017-08-24 | Polyurethane foodweb and its manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710734030.9A CN107718812A (en) | 2017-08-24 | 2017-08-24 | Polyurethane foodweb and its manufacture method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107718812A true CN107718812A (en) | 2018-02-23 |
Family
ID=61205285
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710734030.9A Pending CN107718812A (en) | 2017-08-24 | 2017-08-24 | Polyurethane foodweb and its manufacture method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108341211A (en) * | 2018-03-29 | 2018-07-31 | 张家港市华申工业橡塑制品有限公司 | A kind of anti-slippery anti-deviation fabric core conveyor belt |
| CN109367140A (en) * | 2018-11-26 | 2019-02-22 | 爱西贝特传输系统(云南)有限公司 | A kind of good TPU conveyer belt of electric conductivity and its preparation process |
| CN109968764A (en) * | 2019-03-27 | 2019-07-05 | 江阴市斯强传动科技有限公司 | A kind of polyester tengential belt and its manufacturing method with high service life |
| CN110615232A (en) * | 2019-09-27 | 2019-12-27 | 江苏福莱欧工业制带有限公司 | TPU flame retardant belt |
| CN111153103A (en) * | 2020-01-03 | 2020-05-15 | 河源轩朗光电科技有限公司 | Cutting machine, conveying mechanism, conveying belt and manufacturing method thereof |
| CN111620044A (en) * | 2020-06-18 | 2020-09-04 | 爱西贝特传输系统(云南)有限公司 | A light-duty food-grade conveyor belt with high heat resistance |
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| CN108341211A (en) * | 2018-03-29 | 2018-07-31 | 张家港市华申工业橡塑制品有限公司 | A kind of anti-slippery anti-deviation fabric core conveyor belt |
| CN109367140A (en) * | 2018-11-26 | 2019-02-22 | 爱西贝特传输系统(云南)有限公司 | A kind of good TPU conveyer belt of electric conductivity and its preparation process |
| CN109968764A (en) * | 2019-03-27 | 2019-07-05 | 江阴市斯强传动科技有限公司 | A kind of polyester tengential belt and its manufacturing method with high service life |
| CN109968764B (en) * | 2019-03-27 | 2023-07-14 | 江阴市斯强传动科技有限公司 | Polyester tangential belt with long service life and manufacturing method thereof |
| CN110615232A (en) * | 2019-09-27 | 2019-12-27 | 江苏福莱欧工业制带有限公司 | TPU flame retardant belt |
| CN111153103A (en) * | 2020-01-03 | 2020-05-15 | 河源轩朗光电科技有限公司 | Cutting machine, conveying mechanism, conveying belt and manufacturing method thereof |
| CN114394368A (en) * | 2020-01-03 | 2022-04-26 | 河源轩朗光电科技有限公司 | Cutting machine, conveying mechanism, conveying belt and manufacturing method thereof |
| CN111153103B (en) * | 2020-01-03 | 2022-06-03 | 河源轩朗光电科技有限公司 | Cutting machine, conveying mechanism, conveying belt and manufacturing method thereof |
| CN114394368B (en) * | 2020-01-03 | 2024-01-19 | 河源轩朗光电科技有限公司 | Cutting machine, conveyor mechanism, conveyor belt and manufacturing method thereof |
| CN111620044A (en) * | 2020-06-18 | 2020-09-04 | 爱西贝特传输系统(云南)有限公司 | A light-duty food-grade conveyor belt with high heat resistance |
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