CN103165224B - Copper plastic composite strap suitable for telecommunication cable and optical cable and preparation method of copper plastic composite strap - Google Patents
Copper plastic composite strap suitable for telecommunication cable and optical cable and preparation method of copper plastic composite strap Download PDFInfo
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- CN103165224B CN103165224B CN201110408191.1A CN201110408191A CN103165224B CN 103165224 B CN103165224 B CN 103165224B CN 201110408191 A CN201110408191 A CN 201110408191A CN 103165224 B CN103165224 B CN 103165224B
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 148
- 239000010949 copper Substances 0.000 title claims abstract description 148
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 148
- 229920003023 plastic Polymers 0.000 title claims abstract description 80
- 239000004033 plastic Substances 0.000 title claims abstract description 80
- 239000002131 composite material Substances 0.000 title claims abstract description 33
- 230000003287 optical effect Effects 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000010410 layer Substances 0.000 claims abstract description 42
- 229920006267 polyester film Polymers 0.000 claims abstract description 34
- 239000012790 adhesive layer Substances 0.000 claims abstract description 11
- 239000002985 plastic film Substances 0.000 claims description 97
- 229920006255 plastic film Polymers 0.000 claims description 97
- 150000001875 compounds Chemical class 0.000 claims description 76
- 238000005096 rolling process Methods 0.000 claims description 72
- 229920000877 Melamine resin Polymers 0.000 claims description 33
- 239000000853 adhesive Substances 0.000 claims description 29
- 230000001070 adhesive effect Effects 0.000 claims description 29
- 238000002485 combustion reaction Methods 0.000 claims description 25
- 239000004640 Melamine resin Substances 0.000 claims description 21
- 239000006247 magnetic powder Substances 0.000 claims description 18
- 238000000137 annealing Methods 0.000 claims description 15
- 238000013329 compounding Methods 0.000 claims description 14
- 229920002635 polyurethane Polymers 0.000 claims description 13
- 239000004814 polyurethane Substances 0.000 claims description 13
- 229920000728 polyester Polymers 0.000 claims description 12
- 229920005680 ethylene-methyl methacrylate copolymer Polymers 0.000 claims description 11
- 229920006395 saturated elastomer Polymers 0.000 claims description 11
- 239000003822 epoxy resin Substances 0.000 claims description 9
- 229920000647 polyepoxide Polymers 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 9
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 7
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 5
- 229920001577 copolymer Polymers 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000005097 cold rolling Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- RSWGJHLUYNHPMX-UHFFFAOYSA-N 1,4a-dimethyl-7-propan-2-yl-2,3,4,4b,5,6,10,10a-octahydrophenanthrene-1-carboxylic acid Chemical group C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 2
- 238000007605 air drying Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 22
- 230000015556 catabolic process Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 32
- 238000001816 cooling Methods 0.000 description 21
- 230000000694 effects Effects 0.000 description 19
- 238000004519 manufacturing process Methods 0.000 description 15
- 238000004026 adhesive bonding Methods 0.000 description 14
- 238000007689 inspection Methods 0.000 description 11
- 239000003292 glue Substances 0.000 description 9
- 230000007797 corrosion Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 7
- 238000005728 strengthening Methods 0.000 description 7
- 229920001038 ethylene copolymer Polymers 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000010926 purge Methods 0.000 description 5
- 241000209094 Oryza Species 0.000 description 4
- 235000007164 Oryza sativa Nutrition 0.000 description 4
- 238000007664 blowing Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 4
- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical compound O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 description 4
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 235000009566 rice Nutrition 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 238000011179 visual inspection Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000037303 wrinkles Effects 0.000 description 3
- 229920001617 Vinyon Polymers 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
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Abstract
The invention relates to the field of cable straps, in particular to a copper plastic composite strap suitable for a telecommunication cable and an optical cable and a copper plastic composite strap preparation method. The copper plastic composite strap is wrapped on the outer surface of the telecommunication cable or the optical cable. The copper plastic composite strap is provided with a red copper layer (1), an adhesive layer (2) and a polyester film layer (3) in sequence. The red copper layer (1), the adhesive layer (2) and the polyester film layer (3) are attached together through bonding and heating to form a composite structure. The tensile strength of the copper plastic composite strap is larger than or equal to 180 MPa. The breakage elongation of the copper plastic composite strap is larger than or equal to 15%. The interlaminar peeling strength between a copper strap and a plastic layer is larger than or equal to 15N/centimeter. The conductivity of the copper plastic composite strap is larger than or equal to 90% of international annealed copper standard (IACS). The breakdown phenomenon does not happen to the single-sided copper plastic composite strap 1kvd.c in one minute.
Description
Technical field
The present invention relates to banded cable field, be specially a kind of compound copper-plastics band and the preparation thereof that are applicable to telecommunication cable and optical cable.
Background technology
Compound copper-plastics band is the substitute products of cable pure copper strips, and be one of important kind in modern Copper fabrication material, the application on telecommunication cable, Communication ray cable industry continues to increase.At present, the production standard of compound copper-plastics band is general with reference to YD/T 723.4-2007, is namely base material with pure copper strips, thickness is at more than 0.1mm, plastic film adopts ethylene copolymer or sealed polyethylene plastic, thickness at more than 0.05mm, the tensile strength >=15MPa of plastic film.Pure copper strips base material is thinning further, and then compound copper-plastics band gross thickness is reduced, saving copper resource can be reached further, the object reduced costs.But the thinning rear intensity of copper strips declines, and adopts ethylene copolymer or sealed polyethylene plastic to be difficult to the bulk strength requirement meeting compound copper-plastics band.In addition, due to factors such as bending, scratches in practical operation, often there is plastic layer and damage phenomenon, require that plastic layer has resistance to wear, folding resistance and tear-proof type etc.Therefore polyethylene and ethylene copolymer can not meet actual needs completely.And biaxially oriented polyester film has, and intensity is high, good rigidly, outstanding obdurability, its tensile strength is 10 times of low density polyethylene (LDPE); There are the features such as fabulous resistance to wear, folding resistance, pinhole resistance and tear resistance; Simultaneously, it also possesses odorless, tasteless, colourless, nontoxic, heat-shrinkable is minimum, there is good antistatic behaviour, insulating properties, good thermal endurance, low temperature resistant freezing property, good oil resistance and chemical-resistant, it belongs to polar macromolecule material and with adhesive in conjunction with tight etc., can meet ultra-thin compound copper-plastics band requirement.
Summary of the invention
The object of the present invention is to provide a kind of compound copper-plastics band and the preparation thereof that are applicable to telecommunication cable and optical cable.
For achieving the above object, the technical solution used in the present invention is:
A kind of compound copper-plastics band being applicable to telecommunication cable and optical cable, compound copper-plastics band is coated on telecommunication cable or optical cable outer surface, compound copper-plastics band is provided with red copper layer 1, adhesive layer 2 and laminated polyester film 3 successively, and red copper layer 1, adhesive layer 2 and laminated polyester film 3 add thermal-adhering by bonding forms composite construction.
Described adhesive layer is resin and p-methyl benzenesulfonic acid composition, described resin is by mass fraction, ethylene methyl methacrylate copolymer 1 8-22%, saturated polyester 29-35%, epoxy resin 29-35%, melamine resin 4-8%, polyurethane 8-12%, the addition of p-methyl benzenesulfonic acid is resin gross mass 0.5-0.7%.In described ethylene methyl methacrylate copolymer, the addition of methyl methacrylate is the 15-30% of copolymer total weight.
Described saturated polyester be Vylon560,335,345,301B, 385 saturated polyesters, its saturated polyester 335,345,301B, 385 is purchased from Hualun Chemical Co., Ltd., Jiangsu; Vylon560 spins (TOYOBO) purchased from Japanese Japan; Epoxy resin 6101,634 is purchased from Shenyang City's applied chemistry study institute; Melamine resin is purchased from Jiashan Lv Yuan Chemical Co., Ltd. melamine (melamine resin refers to that melamine resin is also referred to as melamine formaldehyde molding compound, is called for short " MF " melamine formaldehyde resin, also known as melamine resin); Polyurethane polyurethane tpu is purchased from Bayer A.G (Bayer).
Be applicable to the preparation method of the compound copper-plastics band of telecommunication cable and optical cable:
1) by the one-tenth thickness by 4-roller cold rolling mill rolling be the ultra-thin red copper layer of 0.02-0.03mm through 60-80 DEG C of preheating, stand-by;
2) adhesive is coated on laminated polyester film, and after through 50-70 DEG C of preheating, stand-by;
3) by step 1) red copper layer and step 2) laminated polyester film hot compound at 80-120 DEG C of coating adhesive, composite pressure is 50-100N.
Described step 1) adopt diameter 50-80mm working roll, the simons mill rolling of the backing roll of diameter 260-300mm.
Described ultra-thin red copper layer is according to following preparation:
1) preform rolling: select thickness to be the T2 copper strips of 0.12-0.10mm, be rolling to the preform that thickness is 0.08-0.06mm, mill speed 0.1-1.5m/s;
2) softening: preform softens, and softening temperature is 600-900 DEG C, and softening rate is 5-30m/min;
3) finished product rolling: above-mentioned softening rear preform is adopted diameter 50-90mm working roll, the hollow water-cooled simons mill rolling of the backing roll of diameter 260-300mm;
4) softening: the finished product copper strips after rolling enters continuous annealing and softens, and softening temperature is 600-900 DEG C, and softening rate is 5-30m/min.
Described step 2) by polyester film with the magnetic powder brake biaxial tension of torque 500NM, obtain high-flatness polyester film, be then evenly coated on plastic film by adhesive, Adhesive thickness controls at 10-30 μm; The polyester film scribbling adhesive is carried out preheating in 50-70 DEG C, heated-air drying, stand-by.
Described step 3) described red copper layer is carried out uncoiling with torque 500NM be then heated to 80-120 DEG C, and the polyester film of coating adhesive is heated compound through compounding machine, combined temp is 80-120 DEG C, composite pressure is 50-100N, finally by the compound copper-plastics band after-combustion rolling through composite rolling, after-combustion speed 20-50m/min, compound copper-plastics band tension force controls at 3.5-5.5N.
Advantage of the present invention and beneficial effect are:
1, compound copper-plastics band of the present invention, has superthin structure, saves a large amount of valuable copper material, reduces production cost.Product is enable to substitute fine copper cable shielding strip to a certain extent.
2, compound copper-plastics band of the present invention adopts biaxially oriented polyester film and copper strips compound, with reference to GB/T16958-2008, polyester film hot strength >=150MPa, substantially exceeds the intensity of general ethylene copolymer or vinyon layer, ensure that the bulk strength of the thinning rear compound copper-plastics band of copper strips.Because biaxially oriented polyester film has good resistance to wear, folding resistance and tear resistance etc., the application property of product can be improved.
3, compound copper-plastics band of the present invention improves adhesive formula, at more ripe, there is fabulous electrical property, flexing performance, without the need to increasing the peel strength that the ethylene methyl methacrylate copolymer component with good metal adhesive further increases compound copper-plastics band in the polyesters glue of Post RDBMS process.
4. product quality is high.Adopt little working roll footpath in preparation process of the present invention, be conducive to copper strips thinning, reduce roll-force, the low roll shape of roller temperature controls well, and the copper strips banding pattern shut out is smooth, size uniform; Improve tradition cooling liquid cooling but technique, hollow water-cooled roll is adopted to be rolled cooling, discharge end adds air cooling system strengthening cooling, ensure that copper strip surface is clean dry simultaneously, avoids copper strips in subsequent anneal process because of the impurity of remained on surface, spot and causes the phenomenon such as variable color, corrosion.
5. compound copper-plastics band tensile strength >=180MPa of the present invention; Elongation at break: >=15%; Copper strips and plastics interlaminar strength >=15N/cm; Conductance: >=90%IACS; Single-side copper-plastic compound belt 1kvd.c, there is not punch-through in 1min.
Accompanying drawing explanation
The compound copper-plastics band structural representation that Fig. 1 provides for the embodiment of the present invention; Wherein, 1. red copper layer, 2. adhesive layer, 3. laminated polyester film.
The process equipment arrangement figure of the production red copper layer that Fig. 2 provides for the embodiment of the present invention.Wherein, 1, unwinding device; 2, pinch roll I; 3, upper backup roll; 4, top working roll; 5, bottom working roll; 6, lower backing roll; 7, rear cooling device; 8, pinch roll II; 9, high-speed and continuous annealing unit; 10, jockey pulley; 11, wrap-up.
The process equipment arrangement figure of the production of copper plastic composite strip that Fig. 3 provides for the embodiment of the present invention.Wherein, 1, copper strips unwinding device; 2, lower centring roll; 3, photoelectric detector; 4, copper base band heating plate; 5, compounding machine; 6, jockey pulley; 7, wrap-up; 8, upper centring roll; 9, jockey pulley; 10, plastic film unwinding device; 11, pinch roll; 12, plastic film flattens unit; 13, automatic glue spreaders; 14, jockey pulley; 15, guide roller; 16, plastic film Heating air box.
Fig. 4 is the production technological process of compound copper-plastics band.
Embodiment
Below in conjunction with accompanying drawing, structure of the present invention is described further.
As shown in Figure 1, compound copper-plastics band of the present invention is the composite construction of red copper layer 1 and biaxially oriented laminated polyester film 3, and red copper layer 1 and laminated polyester film 3 are composited by adhesive layer 2 heating that bonds.
In the present invention, red copper layer 1 is for obtain by cold rolling, and the gross thickness of compound copper-plastics band is 0.0295 ~ 0.64mm, wherein, the thickness of red copper layer 1 is 0.02 ~ 0.2mm, and the thickness of biaxially oriented laminated polyester film 3 is 0.008 ~ 0.036mm, and adhesive layer 2 THICKNESS CONTROL is 0.0015 ~ 0.08mm.
In the present invention, T2 copper → chemical analysis → founding → first is cold rolling → in roll → formed copper base band preform, its thickness is 0.12-0.10mm.Again after the production of ultra-thin red copper layer and compound copper-plastics band, to cut, test package warehouse-in.
As shown in Figure 2, the process equipment that the present invention produces ultra-thin red copper layer mainly comprises: unwinding device, pinch roll I, upper backup roll, top working roll, bottom working roll, lower backing roll, rear cooling device, pinch roll II, high-speed and continuous annealing unit, jockey pulley, wrap-up.
Its arrangement is as follows:
Four-high mill by upper backup roll 3, top working roll 4, bottom working roll 5, lower backing roll 6 forms, unwinding device 1 arranged by four-high mill feed end, pinch roll I 2, discharge end cloth postpone cooling device 7, pinch roll II 8, high-speed and continuous annealing unit 9, jockey pulley 10, wrap-up 11;
In this technology arrangement, top working roll 4, bottom working roll 5 is water-cooled hollow roll, implements cooling while acting on thinning copper strips; Upper backup roll 3, the effect of lower backing roll 6 is top working roll 4, and bottom working roll 5 provides support power; The effect of unwinding device 1 makes copper strips uncoiling, ensures stable unreeling; The effect of pinch roll I 2 pinches copper strips, ensures that copper strips has stable tension force; The effect of rear cooling device 7 purges copper strip surface, while strengthening cooling, ensure that copper strip surface cleans; The effect of pinch roll II 8 pinches copper strips to enter annealing furnace, controls copper strips tension force; The effect of high-speed and continuous annealing unit 9 be to rolling after copper strips carry out high temperature continuous annealing and remove copper strips internal stress; The effect of jockey pulley 10 controls copper strips tension force, makes its stable rolling; The effect of wrap-up 11 is by the Ultrathin copper strip harvest roll coil of strip.
The technological process of production of ultra-thin red copper layer:
Preform (thickness 0.12-0.10mm) rolling → softening (360 DEG C) → finished product (thickness 0.02-0.03mm) rolling → softening → after-combustion rolling → inspection, wherein:
Preform rolling:
Select thickness to be the T2 copper strips of 0.12-0.10mm, be rolling to the preform that thickness is 0.08-0.06mm.
Softening:
Preform is softened by continuous online annealing device, and softening temperature is 600-900 DEG C, and softening rate is 5-30m/min.
Finished product rolling:
Preform is through work roll diameter 50-90mm, and the little four-high mill of backing roll diameter 260-300mm is rolling to the finished product that thickness is 0.02-0.03mm.Working roll adopts hollow water-cooled roll, is directly cooled copper strips and is added air cooling system at discharge end and carry out strengthening cooling, purge copper strips simultaneously and make the attachment of copper strip surface free from admixture keep clean by working roll.
4) softening:
Finished product copper strips after rolling enters in continuous annealer and softens, and softening temperature is 600-900 DEG C, and softening rate is 5-30m/min.
5) after-combustion rolling:
After-combustion rolling after finished product is softening, tests during after-combustion, if any defective, should record rolling rice number and carry out mark.
Inspection:
According to GB/T11091-2005, band presentation quality is checked; Thickness of strip is checked, thickness range 0.02-0.03mm, permissible variation ± 0.0005mm with micrometer.
Selection work roller diameter 50-90mm, the simons mill of backing roll diameter 260-300mm, this operation roll of mill footpath is little, mill stiffness is large, have easy copper strips thinning, rolling machine system DC control, the operation of rolling is stablized, the quality requirement of ultra-thin copper base band needed for compound copper-plastics band can be realized, Ultrathin copper strip rolling thickness: be rolled to 0.02-0.03mm from 0.06-0.08mm.Traditional cooling fluid process for cooling is improved in the operation of rolling, use hollow water-cooled roll rolipass design, add air cooling system at discharge end and carry out strengthening cooling, make copper strip surface clean simultaneously, avoid in subsequent annealing process because of the impurity of copper strip surface attachment, dirt and make the quality reductions etc. such as copper strips generation variable color.
As shown in Figure 3, the process equipment that the present invention produces ultra-thin compound copper-plastics band mainly comprises:
Copper strips unwinding device 1, lower centring roll 2, photoelectric detector 3, copper base band heating plate 4, compounding machine 5, jockey pulley 6, wrap-up 7, upper centring roll 8, jockey pulley 9, plastic film unwinding device 10, pinch roll 11, plastic film flattens unit 12, automatic glue spreaders 13, jockey pulley 14, guide roller 15, plastic film Heating air box 16.
Its arrangement is as follows:
Copper strips unwinding device 1 is arranged, lower centring roll 2, photoelectric detector 3, copper base band heating plate 4, upper centring roll 8 at the feed end of compounding machine 5; Discharge end arranges jockey pulley 6, wrap-up 7, jockey pulley I 9, plastic film unwinding device 10, pinch roll 11, and plastic film flattens unit 12, automatic glue spreaders 13, jockey pulley II 14, and guide roller 15 is arranged in top, plastic film Heating air box 16.
In this technology arrangement, unwinding device 1, the effect of plastic film unwinding device 10 is unwinding device 1 pair of copper strips uncoiling, unwinding device 10 pairs of plastic film uncoilings.Lower centring roll 2, the effect of upper centring roll 8 is centering copper strips and plastic film position, makes copper strips and plastic film not sideslip.The effect of photoelectric detector 3 is the centering situations detecting copper strips and plastic film.Jockey pulley 6, the effect of wrap-up 7 is that composite band tension force stablized by jockey pulley 6, ensures wrap-up 7 steadily rolling.The effect of jockey pulley I 9 controls plastic film tension force plastic film is sent into compounding machine stably.The effect of plastic film unwinding device 10 is to plastic film uncoiling.The effect of pinch roll 11 pinches plastic film, ensures that plastic film has stable tension force.The effect that plastic film flattens unit 12 flattens plastic film, ensures the smooth corrugationless of plastic film.The effect of automatic glue spreaders 13 ensures that Adhesive thickness is even to plastic film gluing.The effect of jockey pulley II 14 controls plastic film tension force, ensures tension stability in plastic film gluing process.Guide roller 15, the effect of plastic film Heating air box 16 is that plastic film is imported plastic film Heating air box 16 pairs of plastic films and carries out preheating and dry up adhesive by guide roller 15.
In the production technological process of compound copper-plastics band as shown in Figure 4:
(1) plastic film uncoiling:
Biaxially oriented polyester film frame is put on let off roll, and let off roll is connected with magnetic powder brake, magnetic powder brake torque 500NM.
(2) plastic film flattens:
Enter plastic film after plastic film uncoiling and flatten unit, make plastic film obtain comparatively high-flatness.
(3) film gluing:
Plastic film enters glue spreader group after flattening, and homemade adhesive is evenly coated on plastic film by gluing unit, and Adhesive thickness controls at 10-30 μm.
(4) preheating:
Enter plastic film Heating air box after plastic film gluing and carry out preheating, provide blowing hot wind to enter plastic film Heating air box by plastic film heating blower and make plastic film preheating more even.Plastic film preheat temperature is 50-70 DEG C.
(5) copper strips uncoiling:
Copper strips frame is put on let off roll, and let off roll is connected with magnetic powder brake, magnetic powder brake torque 500NM.
(6) tension detect:
Utilize tension detector to carry out tension detect, copper strips tension force controls at 3.5-5.5N.
(7) preheating:
The present invention select thickness be the ultra-thin copper belt of 0.02-0.03mm as copper base band, adopt easier copper base band heater plate to 80-120 DEG C.
(8) compound:
Plastic film and copper strips heat compound through compounding machine, and controlling combined temp by plastic film warm-up mill in compounding machine is 80-120 DEG C.
(9) rolling:
Through the compound copper-plastics band of composite rolling by composite band wrap-up after-combustion rolling, after-combustion speed 20-50 m/min, compound copper-plastics band tension force controls at 3.5-5.5N.
Embodiment 1
The technological process of production of ultra-thin red copper layer:
Preform rolling: select thickness to be the T2 copper strips of 0.12mm, be rolling to the preform that thickness is 0.08mm, mill speed 0.8m/s.
Softening: preform softens by annealing online continuously, and softening temperature is 680 DEG C, and softening rate is 15m/min.
Finished product rolling: preform is through work roll diameter 60mm, and the little four-high mill of backing roll diameter 300mm is rolling to the finished product that thickness is 0.03mm.Working roll adopts hollow water-cooled roll, is directly cooled copper strips and is added air cooling system at discharge end and carry out strengthening cooling, purge copper strips simultaneously and make the attachment of copper strip surface free from admixture keep clean by working roll.
Softening: the finished product copper strips after rolling enters continuous annealing and softens, and softening temperature is 640 DEG C, and softening rate is 15m/min.
After-combustion rolling: after-combustion rolling after finished product is softening, tests during after-combustion, if any defective, should record rolling rice number and carry out mark.
Inspection: band presentation quality is checked according to GB/T11091-2005; Thickness of strip is checked, thickness 0.03mm, permissible variation ± 0.0005mm with micrometer.
The ultra-thin red copper layer leading indicator data of above-mentioned acquisition are as follows: red copper layer thickness 0.02-0.03mm, thickness deviation is ± 0.0005mm, Vickers hardness≤65HV, conductance >=98%IACS.
2, the technological process of production of compound copper-plastics band:
(1) plastic film uncoiling: biaxially oriented polyester film frame is put on let off roll, and let off roll is connected with magnetic powder brake, magnetic powder brake torque 500NM.
(2) plastic film flattens: enter plastic film after plastic film uncoiling and flatten unit, make plastic film obtain comparatively high-flatness.
(3) film gluing: plastic film enters glue spreader group after flattening, and homemade adhesive is evenly coated on plastic film by gluing unit, and adhesive THICKNESS CONTROL is at 15 μm.
(4) preheating: enter plastic film Heating air box after plastic film gluing and carry out preheating, provides blowing hot wind to enter plastic film Heating air box by plastic film heating blower and makes plastic film preheating more even.Plastic film preheat temperature is 70 DEG C.
(5) copper belt uncoiling: be put on let off roll by above-mentioned finished product copper strips frame, let off roll is connected with magnetic powder brake, magnetic powder brake torque 500NM.
(6) tension detect: utilize tension detector to carry out tension detect, copper strips tension force controls at 5.5N.
(7) preheating: ultra-thin copper belt, as copper base band, adopts easier copper base band heater plate to 90 DEG C.
(8) compound: plastic film and above-mentioned finished product copper strips heat compound through compounding machine, controlling combined temp by plastic film warm-up mill in compounding machine is 100 DEG C.
(9) rolling: through the compound copper-plastics band of composite rolling by composite band wrap-up after-combustion rolling, after-combustion speed 30 ms/min, compound copper-plastics band tension force controls at 5.5N.
Described biaxially oriented polyester film (purchased from Shanghai Fu Zhong Industrial Co., Ltd.) adopts polyethylene terephthalate biaxially oriented polyester film, adopt such plastic layer, its benefit is: with reference to GB/T16958-2008, polyester film hot strength >=150MPa, substantially exceed the intensity of general ethylene copolymer or vinyon layer, ensure that the bulk strength of the thinning rear compound copper-plastics band of copper strips.Because biaxially oriented polyester film has good resistance to wear, folding resistance and tear resistance etc., the application property of product can be improved.
Adhesive: its main component and mass fraction are ethylene methyl methacrylate copolymer 20%, saturated polyester 32%, epoxy resin 32%, melamine resin 6%, polyurethane 10% adds the p-methyl benzenesulfonic acid accounting for resin gross mass 0.6%.In described ethylene methyl methacrylate copolymer methyl methacrylate addition for saturated polyester described in 15% of copolymer total weight be 335 purchased from Hualun Chemical Co., Ltd., Jiangsu; Epoxy resin 6101 is purchased from Shenyang City's applied chemistry study institute; Melamine resin is purchased from Jiashan Lv Yuan Chemical Co., Ltd. melamine (melamine resin refers to that melamine resin is also referred to as melamine formaldehyde molding compound, is called for short " MF " melamine formaldehyde resin, also known as melamine resin); Polyurethane polyurethane tpu is purchased from Bayer A.G (Bayer).Have fabulous electrical property, flexing performance, without the need to Post RDBMS process, the features such as good metal adhesive, further increase the peel strength of compound copper-plastics band.
End properties is tested, Interventions Requested totally 13, and examination requirements is as follows:
1 visual inspection requires: should tight compound continuously, its surface should smooth, smooth, even, free from admixture, non-wrinkle, without piebald, without other mechanical damages, it is qualified for meeting above-mentioned requirements;
2 shear strength examination requirementses: copper strips is broken or bonding between plastic layer and copper strips produces when destroying, and the heat seal district between plastic layer should not produce failure by shear, and it is qualified for meeting above-mentioned requirements;
3 resistance to water examination requirementses: treatment conditions: temperature 68 ± 1 DEG C, time 168h; The peel strength of inspection compound copper-plastics band after process;
4 examination requirementses of resistance to filled composite: treatment conditions: temperature 68 ± 1 DEG C, time 168h; Whether layering between inspection copper strips and plastic film after process, not stratified is qualified;
5 corrosion resistance examination requirementses: treatment conditions: solution 0.1mol/1HCl, time 480h; Corrosion class is determined after process;
6 dielectric strength examination requirementses: treatment conditions: test voltage 1KV d.c, duration 1min; Check whether breakdown after process, do not puncture as qualified
Check data is as following table:
Embodiment 2
The technological process of production of ultra-thin red copper layer:
Preform rolling: select thickness to be the T2 copper strips of 0.12mm, be rolling to the preform that thickness is 0.06mm, mill speed 1.0m/s.
Softening: preform softens by annealing online continuously, and softening temperature is 750 DEG C, and softening rate is 20m/min.
Finished product rolling: preform is through work roll diameter 90mm, and the little four-high mill of backing roll diameter 300mm is rolling to the finished product that thickness is 0.03mm.Working roll adopts hollow water-cooled roll, is directly cooled copper strips and is added air cooling system at discharge end and carry out strengthening cooling, purge copper strips simultaneously and make the attachment of copper strip surface free from admixture keep clean by working roll.
4) softening: the finished product copper strips after rolling enters in continuous annealing and softens, and softening temperature is 680 DEG C, and softening rate is 20m/min.
5) after-combustion rolling: after-combustion rolling after finished product is softening, tests during after-combustion, if any defective, should record rolling rice number and carry out mark.
Inspection: band presentation quality is checked according to GB/T11091-2005; Thickness of strip is checked, thickness 0.03mm, permissible variation ± 0.0005mm with micrometer.
2, the technological process of production of compound copper-plastics band:
(1) plastic film uncoiling: biaxially oriented polyester film frame is put on let off roll, and let off roll is connected with magnetic powder brake, magnetic powder brake torque 500NM.
(2) plastic film flattens: enter plastic film after plastic film uncoiling and flatten unit, make plastic film obtain comparatively high-flatness.
(3) film gluing: plastic film enters glue spreader group after flattening, and homemade adhesive is evenly coated on plastic film by gluing unit, and adhesive THICKNESS CONTROL is at 20 μm.
(4) preheating: enter plastic film Heating air box after plastic film gluing and carry out preheating, provides blowing hot wind to enter plastic film Heating air box by plastic film heating blower and makes plastic film preheating more even.Plastic film preheat temperature is 60 DEG C.
(5) copper strips uncoiling: above-mentioned finished product copper strips frame is put on let off roll, and let off roll is connected with magnetic powder brake, magnetic powder brake torque 500NM.
(6) tension detect: utilize tension detector to carry out tension detect, copper strips tension force controls at 4N.
(7) preheating: ultra-thin copper belt, as copper base band, adopts easier copper base band heater plate to 85 DEG C.
(8) compound: plastic film and above-mentioned finished product copper strips heat compound through compounding machine, controlling combined temp by plastic film warm-up mill in compounding machine is 90 DEG C.
(9) rolling: through the compound copper-plastics band of composite rolling by composite band wrap-up after-combustion rolling, after-combustion speed 30 ms/min, compound copper-plastics band tension force controls at 4N.
Adhesive: its main component and mass fraction are ethylene methyl methacrylate copolymer 20%, saturated polyester 32%, epoxy resin 32%, melamine resin 6%, polyurethane 10% adds the p-methyl benzenesulfonic acid accounting for resin gross mass 0.6%.In described ethylene methyl methacrylate copolymer methyl methacrylate addition for saturated polyester described in 20% of copolymer total weight be 345 purchased from Hualun Chemical Co., Ltd., Jiangsu; Epoxy resin 6101 is purchased from Shenyang City's applied chemistry study institute; Melamine resin is purchased from Jiashan Lv Yuan Chemical Co., Ltd. melamine (melamine resin refers to that melamine resin is also referred to as melamine formaldehyde molding compound, is called for short " MF " melamine formaldehyde resin, also known as melamine resin); Polyurethane polyurethane tpu is purchased from Bayer A.G (Bayer).
End properties is tested: Interventions Requested totally 13, and examination requirements is as follows:
1 visual inspection requires: should tight compound continuously, its surface should smooth, smooth, even, free from admixture, non-wrinkle, without piebald, without other mechanical damages, it is qualified for meeting above-mentioned requirements;
2 shear strength examination requirementses: copper strips is broken or bonding between plastic layer and copper strips produces when destroying, and the heat seal district between plastic layer should not produce failure by shear, and it is qualified for meeting above-mentioned requirements;
3 resistance to water examination requirementses: treatment conditions: temperature 68 ± 1 DEG C, time 168h; The peel strength of inspection compound copper-plastics band after process;
4 examination requirementses of resistance to filled composite: treatment conditions: temperature 68 ± 1 DEG C, time 168h; Whether layering between inspection copper strips and plastic film after process, not stratified is qualified;
5 corrosion resistance examination requirementses: treatment conditions: solution 0.1mol/1HCl, time 480h; Corrosion class is determined after process;
6 dielectric strength examination requirementses: treatment conditions: test voltage 1KV d.c, duration 1min; Check whether breakdown after process, do not puncture as qualified
Check data is as following table:
Embodiment 3
The technological process of production of ultra-thin red copper layer:
Preform rolling: select thickness to be the T2 copper strips of 0.10mm, be rolling to the preform that thickness is 0.06mm, mill speed 1.5m/s.
Softening: preform softens by annealing online continuously, and softening temperature is 800 DEG C, and softening rate is 25m/min.
Finished product rolling: preform is through work roll diameter 90mm, and the little four-high mill of backing roll diameter 280mm is rolling to the finished product that thickness is 0.02mm.Working roll adopts hollow water-cooled roll, is directly cooled copper strips and is added air cooling system at discharge end and carry out strengthening cooling, purge copper strips simultaneously and make the attachment of copper strip surface free from admixture keep clean by working roll.
Softening: the finished product copper strips after rolling enters in continuous annealer and softens, and softening temperature is 700 DEG C, and softening rate is 25m/min.
After-combustion rolling: after-combustion rolling after finished product is softening, tests during after-combustion, if any defective, should record rolling rice number and carry out mark.
Inspection: band presentation quality is checked according to GB/T11091-2005; Thickness of strip is checked, thickness 0.02mm, permissible variation ± 0.0005mm with micrometer.
2, the technological process of production of compound copper-plastics band:
(1) plastic film uncoiling: biaxially oriented polyester film frame is put on let off roll, and let off roll is connected with magnetic powder brake, magnetic powder brake torque 500NM.
(2) plastic film flattens: enter plastic film after plastic film uncoiling and flatten unit, make plastic film obtain comparatively high-flatness.
(3) film gluing: plastic film enters glue spreader group after flattening, and homemade adhesive is evenly coated on plastic film by gluing unit, and adhesive THICKNESS CONTROL is at 10 μm.
(4) preheating: enter plastic film Heating air box after plastic film gluing and carry out preheating, provides blowing hot wind to enter plastic film Heating air box by plastic film heating blower and makes plastic film preheating more even.Plastic film preheat temperature is 70 DEG C.
(5) copper strips uncoiling: be put on let off roll by above-mentioned finished product copper strips frame, let off roll is connected with magnetic powder brake, magnetic powder brake torque 500NM.
(6) tension detect: utilize tension detector to carry out tension detect, copper strips tension force controls at 5.5N.
(7) preheating: ultra-thin copper belt, as copper base band, adopts easier copper base band heater plate to 90 DEG C.
(8) compound: plastic film and above-mentioned finished product copper strips heat compound through compounding machine, controlling combined temp by plastic film warm-up mill in compounding machine is 100 DEG C.
(9) rolling: through the compound copper-plastics band of composite rolling by composite band wrap-up after-combustion rolling, after-combustion speed 30 ms/min, compound copper-plastics band tension force controls at 5.5N.
Adhesive: its main component and mass fraction are ethylene methyl methacrylate copolymer 20%, saturated polyester 32%, epoxy resin 32%, melamine resin 6%, polyurethane 10% adds the p-methyl benzenesulfonic acid accounting for resin gross mass 0.6%.In described ethylene methyl methacrylate copolymer, the addition of methyl methacrylate is 30% of copolymer total weight.Described saturated polyester is that Vylon560 spins (TOYOBO) purchased from Japanese Japan; Epoxy resin 634 is purchased from Shenyang City's applied chemistry study institute; Melamine resin is purchased from Jiashan Lv Yuan Chemical Co., Ltd. melamine (melamine resin refers to that melamine resin is also referred to as melamine formaldehyde molding compound, is called for short " MF " melamine formaldehyde resin, also known as melamine resin); Polyurethane polyurethane tpu is purchased from Bayer A.G (Bayer).
End properties is tested, Interventions Requested totally 13, and examination requirements is as follows:
1 visual inspection requires: should tight compound continuously, its surface should smooth, smooth, even, free from admixture, non-wrinkle, without piebald, without other mechanical damages, it is qualified for meeting above-mentioned requirements;
2 shear strength examination requirementses: copper strips is broken or bonding between plastic layer and copper strips produces when destroying, and the heat seal district between plastic layer should not produce failure by shear, and it is qualified for meeting above-mentioned requirements;
3 resistance to water examination requirementses: treatment conditions: temperature 68 ± 1 DEG C, time 168h; The peel strength of inspection compound copper-plastics band after process;
4 examination requirementses of resistance to filled composite: treatment conditions: temperature 68 ± 1 DEG C, time 168h; Whether layering between inspection copper strips and plastic film after process, not stratified is qualified;
5 corrosion resistance examination requirementses: treatment conditions: solution 0.1mol/1HCl, time 480h; Corrosion class is determined after process;
6 dielectric strength examination requirementses: treatment conditions: test voltage 1KV d.c, duration 1min; Check whether breakdown after process, do not puncture as qualified
Check data is as following table:
Claims (7)
1. one kind is applicable to the compound copper-plastics band of telecommunication cable and optical cable, it is characterized in that: compound copper-plastics band is coated on telecommunication cable or optical cable outer surface, compound copper-plastics band is provided with red copper layer (1), adhesive layer (2) and laminated polyester film (3) successively, and red copper layer (1), adhesive layer (2) and laminated polyester film (3) add thermal-adhering by bonding forms composite construction;
Described adhesive layer is resin and p-methyl benzenesulfonic acid composition, described resin is by mass fraction, ethylene methyl methacrylate copolymer 1 8-22%, saturated polyester 29-35%, epoxy resin 29-35%, melamine resin 4-8%, polyurethane 8-12%, the addition of p-methyl benzenesulfonic acid is resin gross mass 0.5-0.7%.
2. by the compound copper-plastics band being applicable to telecommunication cable and optical cable according to claim 1, it is characterized in that: in described ethylene methyl methacrylate copolymer, the addition of methyl methacrylate is the 15-30% of copolymer total weight.
3. the preparation method being applicable to the compound copper-plastics band of telecommunication cable and optical cable according to claim 1, is characterized in that:
1) by the one-tenth thickness by 4-roller cold rolling mill rolling be the ultra-thin red copper layer of 0.02-0.03mm through 60-80 DEG C of preheating, stand-by;
2) adhesive is coated on laminated polyester film, and after through 50-70 DEG C of preheating, stand-by;
3) by step 1) red copper layer and step 2) laminated polyester film hot compound at 80-120 DEG C of coating adhesive, composite pressure is 50-100N.
4., by the preparation method being applicable to the compound copper-plastics band of telecommunication cable and optical cable according to claim 3, it is characterized in that:
Described step 1) adopt diameter 50-80mm working roll, the simons mill rolling of the backing roll of diameter 260-300mm.
5. by the preparation method being applicable to the compound copper-plastics band of telecommunication cable and optical cable described in claim 3 or 4, it is characterized in that: described ultra-thin red copper layer is according to following preparation:
1) preform rolling: select thickness to be the T2 copper strips of 0.12-0.10mm, be rolling to the preform that thickness is 0.08-0.06mm, mill speed 0.1-1.5m/s;
2) softening: preform softens, and softening temperature is 600-900 DEG C, and softening rate is 5-30m/min;
3) finished product rolling: above-mentioned softening rear preform is adopted diameter 50-90mm working roll, the hollow water-cooled simons mill rolling of the backing roll of diameter 260-300mm;
4) softening: the finished product copper strips after rolling enters continuous annealing and softens, and softening temperature is 600-900 DEG C, and softening rate is 5-30m/min.
6. by the preparation method being applicable to the compound copper-plastics band of telecommunication cable and optical cable according to claim 3, it is characterized in that: described step 2) by polyester film with the magnetic powder brake biaxial tension of torque 500NM, obtain high-flatness polyester film, then evenly be coated on plastic film by adhesive, Adhesive thickness controls at 10-30 μm; The polyester film scribbling adhesive is carried out preheating in 50-70 DEG C, heated-air drying, stand-by.
7. by the preparation method being applicable to the compound copper-plastics band of telecommunication cable and optical cable according to claim 3, it is characterized in that: described step 3) described red copper layer is carried out uncoiling with torque 500NM be then heated to 80-120 DEG C, and the polyester film of coating adhesive is heated compound through compounding machine, combined temp is 80-120 DEG C, composite pressure is 50-100N, finally by the compound copper-plastics band after-combustion rolling through composite rolling, after-combustion speed 20-50m/min, compound copper-plastics band tension force controls at 3.5-5.5N.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110408191.1A CN103165224B (en) | 2011-12-09 | 2011-12-09 | Copper plastic composite strap suitable for telecommunication cable and optical cable and preparation method of copper plastic composite strap |
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| CN201110408191.1A CN103165224B (en) | 2011-12-09 | 2011-12-09 | Copper plastic composite strap suitable for telecommunication cable and optical cable and preparation method of copper plastic composite strap |
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| CN104200892A (en) * | 2014-09-22 | 2014-12-10 | 华迅工业(苏州)有限公司 | Antistatic metal foil and plastic composited belt for symmetric data cable shielding |
| CN105437713A (en) * | 2015-12-01 | 2016-03-30 | 上海网讯新材料科技股份有限公司 | Cooling method and equipment for production of metal and plastic composite belts |
| CN106003691B (en) * | 2016-06-06 | 2020-02-18 | 深圳新澳科电缆有限公司 | Film laminating method |
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| CN2527437Y (en) * | 2001-12-17 | 2002-12-25 | 周孝镛 | Copper-plastic composite belt |
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