CN103165237A - Halogen-free flame-retardant copper-plastic composite belt and preparation thereof - Google Patents
Halogen-free flame-retardant copper-plastic composite belt and preparation thereof Download PDFInfo
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- CN103165237A CN103165237A CN2011104081606A CN201110408160A CN103165237A CN 103165237 A CN103165237 A CN 103165237A CN 2011104081606 A CN2011104081606 A CN 2011104081606A CN 201110408160 A CN201110408160 A CN 201110408160A CN 103165237 A CN103165237 A CN 103165237A
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Abstract
The invention relates to the field of cable belts, in particular to a copper-plastic composite belt suitable for a communication cable and an optical cable and preparation thereof. The copper-plastic composite belt is coated on the outer surface of the communication cable or the optical cable and sequentially comprises a red copper layer (1), an adhesive layer (2) and a polyester film layer (3), wherein the red copper layer (1), the adhesive layer (2) and the polyester film layer (3) are bonded and heated to form a composite structure. The tensile strength of the copper-plastic composite belt is larger than or equal to 180MPa, the elongation at break of the copper-plastic composite belt is larger than or equal to 15%, the interlayer peeling strength between a copper belt and a plastic layer is larger than or equal to 15N/cm, the conductivity of the copper-plastic composite belt is larger than or equal to 90% IACS, and no punchthrough happens on the single side of the copper-plastic composite belt 1 kvd.c,1min.
Description
Technical field
The present invention relates to the banded cable field, be specially a kind of halogen-free flame retardant copper-plastic composite belt and preparation thereof that is applicable to telecommunication cable and optical cable.
Background technology
Compound copper-plastics band is the substitute products that cable is used pure copper strips, is one of important kind in modern copper processing material, and the application on telecommunication cable, Communication ray cable industry continues to increase.At present, the production standard of compound copper-plastics band is generally with reference to YD/T 723.4-2007, namely take pure copper strips as base material, thickness is more than 0.1mm, plastic film adopts ethylene copolymer or sealed polyethylene plastic, thickness more than 0.05mm, the tensile strength 〉=15MPa of plastic film.With the further attenuate of pure copper strips base material, and then the compound copper-plastics band gross thickness is reduced, can further reach the saving copper resource, the purpose that reduces costs.Yet after the copper strips attenuate, intensity descends, and adopts ethylene copolymer or sealed polyethylene plastic to be difficult to satisfy the bulk strength requirement of compound copper-plastics band.In addition, due to factors such as bending, scratches, plastic layer often occurs damage phenomenon in practical operation, require plastic layer to have resistance to wear, folding resistance, and tear-proof type etc.Therefore polyethylene and ethylene copolymer can not satisfy actual needs fully.And biaxially oriented polyester film has that intensity is high, good rigidly, outstanding obdurability, and its tensile strength is 10 times of low density polyethylene (LDPE); The characteristics such as fabulous resistance to wear, folding resistance, pinhole resistance and tear resistance are arranged; Simultaneously, it also possesses odorless, tasteless, colourless, nontoxic, heat-shrinkable is minimum, have 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 is combined closely etc. with adhesive, can satisfy ultra-thin compound copper-plastics band requirement.
Summary of the invention
The object of the present invention is to provide a kind of halogen-free flame retardant copper-plastic composite belt and preparation thereof that is applicable to telecommunication cable and optical cable.
For achieving the above object, the technical solution used in the present invention is:
A kind of halogen-free flame retardant copper-plastic composite belt, 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 halogen-free antiflaming polyester thin layer 3 successively, and red copper layer 1, adhesive layer 2 and halogen-free antiflaming polyester thin layer 3 form composite construction by the bonding thermal-adhering that adds.
Described adhesive layer is that resin, expanding fire retardant and p-methyl benzenesulfonic acid form, and described resin is by mass fraction, ethylene-methyl methacrylate methyl terpolymer 18-22%, saturated polyester 29-35%, epoxy resin 29-35%, melamine resin 4-8%, polyurethane 8-12%; The expanding fire retardant addition is the 15-25% of resin gross mass; The addition of p-methyl benzenesulfonic acid is resin gross mass 0.6%.In described ethylene-methyl methacrylate methyl terpolymer, the addition of methyl methacrylate is the 15-30% of copolymer total weight.Described expanding fire retardant is that APP, pentaerythrite, melamine and low water superfine zinc borate form, by mass percentage, and APP 40-55%, pentaerythrite 20-30%, melamine 20-30% and low water superfine zinc borate 4-8%.Described Firebrake ZB average grain diameter is D0.05-50 μ m.
Described saturated polyester is Vylon560,335,345,301B, 385 saturated polyesters, and its saturated polyester 335,345,301B, 385 are available from Hualun Chemical Co., Ltd., Jiangsu; Vylon560 is available from spinning (TOYOBO) in Japanese Japan; Epoxy resin 6101,634 is available from Shenyang City's applied chemistry study institute; Melamine resin is available from green source, Jiashan chemical industry Co., Ltd melamine (melamine resin refers to melamine resin also referred to as melamine formaldehyde molding compound, is called for short " MF " melamine formaldehyde resin, claims again melamine resin); Polyurethane polyurethane tpu is available from Bayer A.G (Bayer).
The preparation method of halogen-free flame retardant copper-plastic composite belt:
1) will by the rolling one-tenth thickness of 4-roller cold rolling mill be the ultra-thin red copper layer of 0.02-0.03mm through 60-80 ℃ of preheating, stand-by;
2) with adhesive coated in the halogen-free antiflaming polyester thin layer, and by 50-70 ℃ of preheating, stand-by;
3) with step 1) red copper layer and step 2) the halogen-free antiflaming polyester thin layer of adhesive coating heat under 80-120 ℃ compound, composite pressure is 50-100N.
Described step 1) adopt diameter 50-80mm working roll, the simons mill of the backing roll of diameter 260-300mm is rolling.
Described ultra-thin red copper layer is according to following preparation:
1) preform is rolling: selecting thickness is the T2 copper strips of 0.12-0.10mm, is 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 ℃, and softening rate is 5-30m/min;
3) finished product is rolling: above-mentioned softening rear preform is adopted diameter 50-90mm working roll, and the hollow water-cooled simons mill of the backing roll of diameter 260-300mm is rolling;
4) softening: the finished product copper strips after rolling enters continuous annealing and softens, and softening temperature is 600-900 ℃, and softening rate is 5-30m/min.
Described step 2) with the magnetic powder brake biaxial tension of halogen-free antiflaming polyester film with torque 500NM, obtain the high-flatness polyester film, then adhesive evenly is coated on plastic film, the adhesive THICKNESS CONTROL is at 10-30 μ m; The halogen-free antiflaming polyester film that scribbles adhesive is carried out preheating in 50-70 ℃, heated-air drying, stand-by.Described step 3) described red copper layer is carried out uncoiling with torque 500NM and then be heated to 80-120 ℃, and the halogen-free antiflaming polyester film of adhesive coating is compound through the compounding machine heating, combined temp is 80-120 ℃, composite pressure is 50-100N, at last will be through the compound copper-plastics band after-combustion rolling of composite rolling, 20-50 m/min of after-combustion speed, compound copper-plastics band tension force is controlled at 3.5-5.5N.
Advantage of the present invention and beneficial effect are:
1, compound copper-plastics band of the present invention, have superthin structure, saved the copper material of a large amount of preciousnesses, reduced production cost.Make product instead of pure copper cable mask tape to a certain extent.
2, compound copper-plastics band employing biaxial tension halogen-free antiflaming polyester film of the present invention and copper strips are compound, with reference to GB/T16958-2008, halogen-free antiflaming polyester film hot strength 〉=150MPa, substantially exceed the intensity of general ethylene copolymer or vinyon layer, guaranteed the bulk strength of compound copper-plastics band after the copper strips attenuate.Because biaxially oriented polyester film has good resistance to wear, folding resistance and tear resistance etc., can improve the application property of product.
3, compound copper-plastics band of the present invention has improved adhesive formulation, at the more ripe fabulous electrical property that has, the flexing performance need not to increase in polyesters glue that rear curing processes and has the peel strength that the ethylene-methyl methacrylate methyl terpolymer component of metal adhesive has preferably further improved compound copper-plastics band.
4. product quality is high.In preparation process of the present invention, the little working roll of employing footpath, be conducive to the copper strips attenuate, reduces roll-force, and the low roll shape of roller temperature is controlled well, and the copper strips banding pattern that shuts out is smooth, size uniform; Improved but technique of traditional cooling liquid cooling, adopt hollow water-cooled roll to be rolled cooling, discharge end adds air cooling system and strengthens coolingly, has guaranteed that simultaneously the copper strip surface cleaning is dry, has avoided copper strips in the subsequent anneal process to cause the phenomenons such as variable color, corrosion because of impurity, the spot of remained on surface.
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, punch-through does not occur in 1min.
Description of drawings
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. halogen-free antiflaming polyester thin layer.
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 biaxial tension halogen-free antiflaming polyester thin layer 3, and red copper layer 1 and halogen-free antiflaming polyester thin layer 3 are composited by adhesive layer 2 bonding heating.
In the present invention, red copper layer 1 is for to obtain by cold rolling, the gross thickness of compound copper-plastics band is 0.028～0.308mm, wherein, the thickness of red copper layer 1 is 0.02～0.2mm, the thickness of biaxial tension halogen-free antiflaming polyester thin layer 3 is 0.008～0.058mm, and adhesive layer 2 THICKNESS CONTROL are 0.0015～0.015mm.
In the present invention, T2 copper → chemical analysis → founding → first is cold rolling → in roll → form copper base band preform, its thickness is 0.12-0.10mm.After passing through again the production of ultra-thin red copper layer and compound copper-plastics band, 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 is by upper backup roll 3, top working roll 4, and bottom working roll 5, lower backing roll 6 forms, the four-high mill feed end is arranged unwinding device 1, pinch roll I2, discharge end cloth postpone cooling device 7, pinch roll II8, 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 the water-cooled hollow roll, implements cooling when acting on the attenuate copper strips; Upper backup roll 3, the effect of lower backing roll 6 are to be top working roll 4, and bottom working roll 5 provides support power; The effect of unwinding device 1 is to make the copper strips uncoiling, guarantees stable unreeling; The effect of pinch roll I2 is to pinch copper strips, guarantees that copper strips has stable tension force; The effect of rear cooling device 7 is that copper strip surface is purged, and guarantees the copper strip surface cleaning when reinforcement is cooling; The effect of pinch roll II8 is to pinch copper strips to enter annealing furnace, controls copper strips tension force; The effect of high-speed and continuous annealing unit 9 is the copper strips after rolling to be carried out high temperature continuous annealing remove the copper strips internal stress; The effect of jockey pulley 10 is to control copper strips tension force, makes its stable rolling; The effect of wrap-up 11 is with 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) is rolling → and softening (360 ℃) → finished product (thickness 0.02-0.03mm) is rolling → softening → after-combustion rolling → check, wherein:
Preform is rolling:
Selecting thickness is the T2 copper strips of 0.12-0.10mm, is rolling to the preform that thickness is 0.08-0.06mm.
Softening:
Preform softens by continuously online annealing device, and softening temperature is 600-900 ℃, and softening rate is 5-30m/min.
Finished product is 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, and is directly cooling to copper strips and increased air cooling system at discharge end and strengthen coolingly by working roll, purges simultaneously copper strips and the copper strip surface free from admixture adhered to keep clean.
4) softening:
Finished product copper strips after rolling enters in continuous annealer and softens, and softening temperature is 600-900 ℃, and softening rate is 5-30m/min.
5) after-combustion rolling:
After-combustion rolling after finished product is softening is tested during after-combustion, if any defective, should record rolling rice number and carry out mark.
Check:
According to GB/T11091-2005, the band presentation quality is checked; Check thickness of strip with micrometer, thickness range 0.02-0.03mm, permissible variation ± 0.0005mm.
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, easy copper strips attenuate is arranged, the rolling machine system DC control, the operation of rolling is stable, can realize the quality requirement of the required ultra-thin copper base band of compound copper-plastics band, Ultrathin copper strip rolling thickness: be rolled to 0.02-0.03mm from 0.06-0.08mm.Improved traditional cooling fluid process for cooling in the operation of rolling, use hollow water-cooled roll cooling, having increased air cooling system at discharge end strengthens cooling, make simultaneously copper strip surface cleaning, impurity, the dirt of having avoided adhering to because of copper strip surface in subsequent anneal technique makes the quality reduction such as copper strips generation variable color etc.
As shown in Figure 3, the present invention's process equipment of producing 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:
Feed end at compounding machine 5 is arranged copper strips unwinding device 1, lower centring roll 2, photoelectric detector 3, copper base band heating plate 4, upper centring roll 8; Discharge end is arranged jockey pulley 6, wrap-up 7, and jockey pulley I9, plastic film unwinding device 10, pinch roll 11, plastic film flattens unit 12, automatic glue spreaders 13, jockey pulley II14, guide roller 15, plastic film Heating air box 16 are arranged in the top.
In this technology arrangement, unwinding device 1, the effect of plastic film unwinding device 10 is 1 pair of copper strips uncoiling of unwinding device, 10 pairs of plastic film uncoilings of unwinding device.Lower centring roll 2, the effect of upper centring roll 8 are centering copper strips and plastic film position, make not sideslip of copper strips and plastic film.The effect of photoelectric detector 3 is the centering situations that detect copper strips and plastic film.Jockey pulley 6, the effect of wrap-up 7 are that jockey pulley 6 is stablized composite band tension force, guarantee the steady rolling of wrap-up 7.The effect of jockey pulley I9 is to control plastic film tension force plastic film is sent into compounding machine stably.The effect of plastic film unwinding device 10 is to the plastic film uncoiling.The effect of pinch roll 11 is to pinch plastic film, guarantees that plastic film has stable tension force.The effect that plastic film flattens unit 12 is to flatten plastic film, guarantees the smooth corrugationless of plastic film.The effect of automatic glue spreaders 13 is that the plastic film gluing is guaranteed the adhesive even thickness.The effect of jockey pulley II14 is to control plastic film tension force, guarantees tension stability in plastic film gluing process.Guide roller 15, the effect of plastic film Heating air box 16 are that guide roller 15 imports 16 pairs of plastic films of plastic film Heating air box with plastic film and carries out preheating and dry up adhesive.
In the production technological process of compound copper-plastics band as shown in Figure 4:
(1) plastic film uncoiling:
The 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 the plastic film uncoiling and flatten unit, plastic film is obtained than high-flatness.
(3) film gluing:
Plastic film enters the glue spreader group after flattening, and the gluing unit evenly is coated on homemade adhesive on plastic film, and the adhesive THICKNESS CONTROL is at 10-30 μ m.
(4) preheating:
Enter the plastic film Heating air box after the plastic film gluing and carry out preheating, provide blowing hot wind to enter the plastic film Heating air box by the plastic film heating blower and make the plastic film preheating more even.The plastic film preheat temperature is 50-70 ℃.
(5) copper strips uncoiling:
The 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 force detects:
Utilize tension detector to carry out tension force and detect, copper strips tension force is controlled at 3.5-5.5N.
(7) preheating:
The present invention select thickness be the ultra-thin copper belt of 0.02-0.03mm as the copper base band, adopt easier copper base band heating plate to be heated to 80-120 ℃.
(8) compound:
Plastic film and copper strips are compound through the compounding machine heating, and controlling combined temp by plastic film warm-up mill in compounding machine is 80-120 ℃.
(9) rolling:
Through the compound copper-plastics band of composite rolling by composite band wrap-up after-combustion rolling, 20-50 m/min of after-combustion speed, compound copper-plastics band tension force is controlled at 3.5-5.5N.
Embodiment 1
The technological process of production of ultra-thin red copper layer:
Preform is rolling: selecting thickness is the T2 copper strips of 0.12mm, is rolling to the preform that thickness is 0.08mm, mill speed 0.5m/s (please use point value).。
Softening: preform softens by annealing online continuously, and softening temperature is 680 ℃, and softening rate is 15m/min.
Finished product is 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, and is directly cooling to copper strips and increased air cooling system at discharge end and strengthen coolingly by working roll, purges simultaneously copper strips and the copper strip surface free from admixture adhered to keep clean.
Softening: the finished product copper strips after rolling enters continuous annealing and softens, and softening temperature is 640 ℃, and softening rate is 15m/min.
The after-combustion rolling: after-combustion rolling after finished product is softening, test during after-combustion, if any defective, should record rolling rice number and carry out mark.
Check: the band presentation quality is checked according to GB/T11091-2005; Check thickness of strip with micrometer, thickness 0.03mm, permissible variation ± 0.0005mm.
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 be ± 0.0005mm, Vickers hardness≤65HV, conductance 〉=98%IACS.
2, the technological process of production of compound copper-plastics band:
(1) plastic film uncoiling: the 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 the plastic film uncoiling and flatten unit, plastic film is obtained than high-flatness.
(3) film gluing: plastic film enters the glue spreader group after flattening, and the gluing unit evenly is coated on homemade adhesive on plastic film, and the adhesive THICKNESS CONTROL is at 15 μ m.
(4) preheating: enter the plastic film Heating air box after the plastic film gluing and carry out preheating, provide blowing hot wind to enter the plastic film Heating air box by the plastic film heating blower and make the plastic film preheating more even.The plastic film preheat temperature is 70 ℃.
(5) copper belt 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 force detects: utilize tension detector to carry out tension force and detect, copper strips tension force is controlled at 5.5N.
(7) preheating: ultra-thin copper belt adopts easier copper base band heating plate to be heated to 90 ℃ as the copper base band.
(8) compound: plastic film and above-mentioned finished product copper strips are compound through the compounding machine heating, and controlling combined temp by plastic film warm-up mill in compounding machine is 100 ℃.
(9) rolling: through the compound copper-plastics band of composite rolling by composite band wrap-up after-combustion rolling, 30 m/mins of after-combustion speed, compound copper-plastics band tension force is controlled at 5.5N.
Described biaxial tension halogen-free antiflaming polyester thin layer is take poly terephthalic acid dimethyl ester and ethylene glycol as raw material, inspires confidence in many Industrial Co., Ltd.s from Shanghai and buys.
Described adhesive layer is that resin and p-methyl benzenesulfonic acid form, and described resin is by mass fraction, 20% ethylene-methyl methacrylate methyl terpolymer, saturated polyester 32%, epoxy resin 32%, melamine resin 6% and polyurethane 10%; The addition of p-methyl benzenesulfonic acid is resin gross mass 0.6%; The expanding fire retardant addition is 20% of resin gross mass.Described expanding fire retardant is for by mass percentage, APP 43%, and pentaerythrite 25%, melamine 25% and low water superfine zinc borate 7% form, and the Firebrake ZB average grain diameter is D0.1 μ m.In described ethylene-methyl methacrylate methyl terpolymer, the addition of methyl methacrylate is that 15% described saturated polyester of copolymer total weight is 335 available from Hualun Chemical Co., Ltd., Jiangsu; Epoxy resin 6101 is available from Shenyang City's applied chemistry study institute; Melamine resin is available from green source, Jiashan chemical industry Co., Ltd melamine (melamine resin refers to melamine resin also referred to as melamine formaldehyde molding compound, is called for short " MF " melamine formaldehyde resin, claims again melamine resin); Polyurethane polyurethane tpu is available from Bayer A.G (Bayer).
The end properties test: totally 13 of Interventions Requested, examination requirements is as follows:
1 visual inspection requires: should be closely compound continuously, its surface should be smooth, smooth, even, free from admixture, non-wrinkle, without piebald, without other mechanical damages, it is qualified meeting above-mentioned requirements;
2 shear strength examination requirementses: copper strips break or plastic layer and copper strips between bonding when produce destroying, the heat seal district between plastic layer should not produce failure by shear, it is qualified meeting above-mentioned requirements;
3 resistance to water examination requirementses: treatment conditions: 68 ± 1 ℃ of temperature, time 168h; The peel strength of check compound copper-plastics band after processing;
4 examination requirementses of anti-filled composite the: treatment conditions: 68 ± 1 ℃ of temperature, time 168h; Whether layering between check copper strips and plastic film after processing, not stratified is qualified;
5 corrosion resistance examination requirementses: treatment conditions: solution 0.1mol/1HCl, time 480h; Determine corrosion class after processing;
6 dielectric strength examination requirementses: treatment conditions: test voltage 1KV d.c, duration 1min; Whether breakdownly process rear inspection, do not puncture as qualified
Check data such as following table:
Embodiment 2
The technological process of production of ultra-thin red copper layer:
Preform is rolling: selecting thickness is the T2 copper strips of 0.12mm, and being rolling to thickness is the preform mill speed 0.5m/s of 0.06mm.。
Softening: preform softens by annealing online continuously, and softening temperature is 750 ℃, and softening rate is 20m/min.
Finished product is 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, and is directly cooling to copper strips and increased air cooling system at discharge end and strengthen coolingly by working roll, purges simultaneously copper strips and the copper strip surface free from admixture adhered to keep clean.
4) softening: the finished product copper strips after rolling enters in continuous annealing and softens, and softening temperature is 680 ℃, and softening rate is 20m/min.
5) after-combustion rolling: after-combustion rolling after finished product is softening, test during after-combustion, if any defective, should record rolling rice number and carry out mark.
Check: the band presentation quality is checked according to GB/T11091-2005; Check thickness of strip with micrometer, thickness 0.03mm, permissible variation ± 0.0005mm.
2, the technological process of production of compound copper-plastics band:
(1) plastic film uncoiling: the 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 the plastic film uncoiling and flatten unit, plastic film is obtained than high-flatness.
(3) film gluing: plastic film enters the glue spreader group after flattening, and the gluing unit evenly is coated on homemade adhesive on plastic film, and the adhesive THICKNESS CONTROL is at 20 μ m.
(4) preheating: enter the plastic film Heating air box after the plastic film gluing and carry out preheating, provide blowing hot wind to enter the plastic film Heating air box by the plastic film heating blower and make the plastic film preheating more even.The plastic film preheat temperature is 60 ℃.
(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 force detects: utilize tension detector to carry out tension force and detect, copper strips tension force is controlled at 4N.
(7) preheating: ultra-thin copper belt adopts easier copper base band heating plate to be heated to 85 ℃ as the copper base band.
(8) compound: plastic film and above-mentioned finished product copper strips are compound through the compounding machine heating, and controlling combined temp by plastic film warm-up mill in compounding machine is 90 ℃.
(9) rolling: through the compound copper-plastics band of composite rolling by composite band wrap-up after-combustion rolling, 30 m/mins of after-combustion speed, compound copper-plastics band tension force is controlled at 4N.
Described adhesive layer is that resin and p-methyl benzenesulfonic acid form, and described resin is by mass fraction, ethylene-methyl methacrylate methyl terpolymer 20%, saturated polyester 32%, epoxy resin 32%, melamine resin 6% and polyurethane 10%; The addition of p-methyl benzenesulfonic acid is resin gross mass 0.6%; The expanding fire retardant addition is 25% of resin gross mass.Described expanding fire retardant is for by mass percentage, APP 40%, and pentaerythrite 26%, melamine 26% and low water superfine zinc borate 8% form, and the Firebrake ZB average grain diameter is D0.2 μ m.In described ethylene-methyl methacrylate methyl terpolymer, the addition of methyl methacrylate is that 20% described saturated polyester of copolymer total weight is 345 available from Hualun Chemical Co., Ltd., Jiangsu; Epoxy resin 6101 is available from Shenyang City's applied chemistry study institute; Melamine resin is available from green source, Jiashan chemical industry Co., Ltd melamine (melamine resin refers to melamine resin also referred to as melamine formaldehyde molding compound, is called for short " MF " melamine formaldehyde resin, claims again melamine resin); Polyurethane polyurethane tpu is available from Bayer A.G (Bayer).
The end properties test, totally 13 of Interventions Requested, examination requirements is as follows:
1 visual inspection requires: should be closely compound continuously, its surface should be smooth, smooth, even, free from admixture, non-wrinkle, without piebald, without other mechanical damages, it is qualified meeting above-mentioned requirements;
2 shear strength examination requirementses: copper strips break or plastic layer and copper strips between bonding when produce destroying, the heat seal district between plastic layer should not produce failure by shear, it is qualified meeting above-mentioned requirements;
3 resistance to water examination requirementses: treatment conditions: 68 ± 1 ℃ of temperature, time 168h; The peel strength of check compound copper-plastics band after processing;
4 examination requirementses of anti-filled composite the: treatment conditions: 68 ± 1 ℃ of temperature, time 168h; Whether layering between check copper strips and plastic film after processing, not stratified is qualified;
5 corrosion resistance examination requirementses: treatment conditions: solution 0.1mol/1HCl, time 480h; Determine corrosion class after processing;
6 dielectric strength examination requirementses: treatment conditions: test voltage 1KV d.c, duration 1min; Whether breakdownly process rear inspection, do not puncture as qualified
Check data such as following table:
Embodiment 3
The technological process of production of ultra-thin red copper layer:
Preform is rolling: selecting thickness is the T2 copper strips of 0.10mm, and being rolling to thickness is the preform mill speed 1m/s of 0.06mm.
Softening: preform softens by annealing online continuously, and softening temperature is 800 ℃, and softening rate is 25m/min.
Finished product is 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, and is directly cooling to copper strips and increased air cooling system at discharge end and strengthen coolingly by working roll, purges simultaneously copper strips and the copper strip surface free from admixture adhered to keep clean.
Softening: the finished product copper strips after rolling enters in continuous annealer and softens, and softening temperature is 700 ℃, and softening rate is 25m/min.
The after-combustion rolling: after-combustion rolling after finished product is softening, test during after-combustion, if any defective, should record rolling rice number and carry out mark.
Check: the band presentation quality is checked according to GB/T11091-2005; Check thickness of strip with micrometer, thickness 0.02mm, permissible variation ± 0.0005mm.
2, the technological process of production of compound copper-plastics band:
(1) plastic film uncoiling: the 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 the plastic film uncoiling and flatten unit, plastic film is obtained than high-flatness.
(3) film gluing: plastic film enters the glue spreader group after flattening, and the gluing unit evenly is coated on homemade adhesive on plastic film, and the adhesive THICKNESS CONTROL is at 10 μ m.
(4) preheating: enter the plastic film Heating air box after the plastic film gluing and carry out preheating, provide blowing hot wind to enter the plastic film Heating air box by the plastic film heating blower and make the plastic film preheating more even.The plastic film preheat temperature is 70 ℃.
(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 force detects: utilize tension detector to carry out tension force and detect, copper strips tension force is controlled at 5.5N.
(7) preheating: ultra-thin copper belt adopts easier copper base band heating plate to be heated to 90 ℃ as the copper base band.
(8) compound: plastic film and above-mentioned finished product copper strips are compound through the compounding machine heating, and controlling combined temp by plastic film warm-up mill in compounding machine is 100 ℃.
(9) rolling: through the compound copper-plastics band of composite rolling by composite band wrap-up after-combustion rolling, 30 m/mins of after-combustion speed, compound copper-plastics band tension force is controlled at 5.5N.
Described adhesive layer is that resin and p-methyl benzenesulfonic acid form, and described resin is by mass fraction, ethylene-methyl methacrylate methyl terpolymer 20%, saturated polyester 32%, epoxy resin 32%, melamine resin 6% and polyurethane 10%; The addition of p-methyl benzenesulfonic acid is resin gross mass 0.6%.The expanding fire retardant addition is 25% of resin gross mass.Described expanding fire retardant is for by mass percentage, APP 42%, and pentaerythrite 26%, melamine 26% and low water superfine zinc borate 6% form, and the Firebrake ZB average grain diameter is D0.1 μ m.In described ethylene-methyl methacrylate methyl terpolymer, the addition of methyl methacrylate is 30% of copolymer total weight.Described saturated polyester is that Vylon560 is available from spinning (TOYOBO) in Japanese Japan; Epoxy resin 634 is available from Shenyang City's applied chemistry study institute; Melamine resin is available from green source, Jiashan chemical industry Co., Ltd melamine (melamine resin refers to melamine resin also referred to as melamine formaldehyde molding compound, is called for short " MF " melamine formaldehyde resin, claims again melamine resin); Polyurethane polyurethane tpu is available from Bayer A.G (Bayer).
The end properties test, totally 13 of Interventions Requested, examination requirements is as follows:
1 visual inspection requires: should be closely compound continuously, its surface should be smooth, smooth, even, free from admixture, non-wrinkle, without piebald, without other mechanical damages, it is qualified meeting above-mentioned requirements;
2 shear strength examination requirementses: copper strips break or plastic layer and copper strips between bonding when produce destroying, the heat seal district between plastic layer should not produce failure by shear, it is qualified meeting above-mentioned requirements;
3 resistance to water examination requirementses: treatment conditions: 68 ± 1 ℃ of temperature, time 168h; The peel strength of check compound copper-plastics band after processing;
4 examination requirementses of anti-filled composite the: treatment conditions: 68 ± 1 ℃ of temperature, time 168h; Whether layering between check copper strips and plastic film after processing, not stratified is qualified;
5 corrosion resistance examination requirementses: treatment conditions: solution 0.1mol/1HCl, time 480h; Determine corrosion class after processing;
6 dielectric strength examination requirementses: treatment conditions: test voltage 1KV d.c, duration 1min; Whether breakdownly process rear inspection, do not puncture as qualified
Check data such as following table:
Above-described embodiment is the better execution mode of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, within being included in protection scope of the present invention.
Claims (10)
1. halogen-free flame retardant copper-plastic composite belt, 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 halogen-free antiflaming polyester thin layer 3 successively, and red copper layer 1, adhesive layer 2 and halogen-free antiflaming polyester thin layer 3 form composite construction by the bonding thermal-adhering that adds.
2. by halogen-free flame retardant copper-plastic composite belt claimed in claim 1, it is characterized in that: described adhesive layer is that resin, expanding fire retardant and p-methyl benzenesulfonic acid form, described resin is by mass fraction, ethylene-methyl methacrylate methyl terpolymer 18-22%, saturated polyester 29-35%, epoxy resin 29-35%, melamine resin 4-8%, polyurethane 8-12%; The expanding fire retardant addition is the 15-25% of resin gross mass; The addition of p-methyl benzenesulfonic acid is resin gross mass 0.6%.
3. by halogen-free flame retardant copper-plastic composite belt claimed in claim 2, it is characterized in that: in described ethylene-methyl methacrylate methyl terpolymer, the addition of methyl methacrylate is the 15-30% of copolymer total weight.
4. by halogen-free flame retardant copper-plastic composite belt claimed in claim 1, it is characterized in that: described expanding fire retardant is that APP, pentaerythrite, melamine and low water superfine zinc borate form, by mass percentage, APP 40-55%, pentaerythrite 20-30%, melamine 20-30% and low water superfine zinc borate 4-8%.
5. by halogen-free flame retardant copper-plastic composite belt claimed in claim 1, it is characterized in that: described Firebrake ZB average grain diameter is D0.05-50 μ m.
6. the preparation method of a halogen-free flame retardant copper-plastic composite belt claimed in claim 1 is characterized in that:
1) will by the rolling one-tenth thickness of 4-roller cold rolling mill be the ultra-thin red copper layer of 0.02-0.03mm through 60-80 ℃ of preheating, stand-by;
2) with adhesive coated in the halogen-free antiflaming polyester thin layer, and by 50-70 ℃ of preheating, stand-by;
3) with step 1) red copper layer and step 2) the halogen-free antiflaming polyester thin layer of adhesive coating heat under 80-120 ℃ compound, composite pressure is 50-100N.
7. by the preparation method of halogen-free flame retardant copper-plastic composite belt claimed in claim 6, it is characterized in that:
Described step 1) adopt diameter 50-80mm working roll, the simons mill of the backing roll of diameter 260-300mm is rolling.
8. by the preparation method of claim 7 or 6 described halogen-free flame retardant copper-plastic composite belts, it is characterized in that: described ultra-thin red copper layer is according to following preparation:
1) preform is rolling: selecting thickness is the T2 copper strips of 0.12-0.10mm, is 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 ℃, and softening rate is 5-30m/min;
3) finished product is rolling: above-mentioned softening rear preform is adopted diameter 50-90mm working roll, and the hollow water-cooled simons mill of the backing roll of diameter 260-300mm is rolling;
4) softening: the finished product copper strips after rolling enters continuous annealing and softens, and softening temperature is 600-900 ℃, and softening rate is 5-30m/min.
9. press the preparation method of halogen-free flame retardant copper-plastic composite belt claimed in claim 6: described step 2) with the magnetic powder brake biaxial tension of halogen-free antiflaming polyester film with torque 500NM, obtain the high-flatness polyester film, then adhesive evenly is coated on plastic film, the adhesive THICKNESS CONTROL is at 10-30 μ m; The halogen-free antiflaming polyester film that scribbles adhesive is carried out preheating in 50-70 ℃, heated-air drying, stand-by.
10. press the preparation method of halogen-free flame retardant copper-plastic composite belt claimed in claim 6, it is characterized in that: described step 3) described red copper layer is carried out uncoiling with torque 500NM and then be heated to 80-120 ℃, and the halogen-free antiflaming polyester film of adhesive coating is compound through the compounding machine heating, combined temp is 80-120 ℃, composite pressure is 50-100N, at last will be through the compound copper-plastics band after-combustion rolling of composite rolling, 20-50 m/min of after-combustion speed, compound copper-plastics band tension force is controlled at 3.5-5.5N.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104318982A (en) * | 2014-10-20 | 2015-01-28 | 常州隆德电气有限公司 | Fireproof copper plastic composite belt |
| CN106710694A (en) * | 2016-12-15 | 2017-05-24 | 胡剑民 | Coated metal belt for cables |
| CN106847443A (en) * | 2017-02-23 | 2017-06-13 | 江苏科麦特科技发展有限公司 | A kind of aluminium-plastic tape |
| CN110000208A (en) * | 2019-05-08 | 2019-07-12 | 青岛澳丽森建材有限公司 | A kind of compound coil of strip production equipment and production technology |
| CN110842365A (en) * | 2019-11-26 | 2020-02-28 | 佳普电子新材料(连云港)有限公司 | Laser surface treatment process for metal base material of shielding material |
| CN118983151A (en) * | 2024-08-28 | 2024-11-19 | 滁州润翰微波科技有限公司 | A cable sheath forming device for radio frequency cable processing |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04326592A (en) * | 1991-04-25 | 1992-11-16 | Kanegafuchi Chem Ind Co Ltd | Metal-foil-clad laminate for use with printed circuit |
| CN101026949A (en) * | 2006-02-24 | 2007-08-29 | 盛文妹 | Method for preparing metal plastic composite foil |
| CN101786365A (en) * | 2009-11-20 | 2010-07-28 | 无锡市速达电讯材料有限公司 | Production method of single-side copper-plastic compound belt |
-
2011
- 2011-12-09 CN CN201110408160.6A patent/CN103165237B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04326592A (en) * | 1991-04-25 | 1992-11-16 | Kanegafuchi Chem Ind Co Ltd | Metal-foil-clad laminate for use with printed circuit |
| CN101026949A (en) * | 2006-02-24 | 2007-08-29 | 盛文妹 | Method for preparing metal plastic composite foil |
| CN101786365A (en) * | 2009-11-20 | 2010-07-28 | 无锡市速达电讯材料有限公司 | Production method of single-side copper-plastic compound belt |
Non-Patent Citations (3)
| Title |
|---|
| 中华人民共和国信息产业部: "《中华人民共和国通信行业标准》", 1 January 2008 * |
| 于文杰，李杰，郑德: "《塑料助剂与配方设计技术第三版》", 31 July 2010 * |
| 许石民，孙登月: "《板带材生产工艺及设备》", 31 August 2008 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104318982A (en) * | 2014-10-20 | 2015-01-28 | 常州隆德电气有限公司 | Fireproof copper plastic composite belt |
| CN106710694A (en) * | 2016-12-15 | 2017-05-24 | 胡剑民 | Coated metal belt for cables |
| CN106710694B (en) * | 2016-12-15 | 2018-01-09 | 江苏九天光电科技有限公司 | A kind of cable precoated metal band |
| CN106847443A (en) * | 2017-02-23 | 2017-06-13 | 江苏科麦特科技发展有限公司 | A kind of aluminium-plastic tape |
| CN110000208A (en) * | 2019-05-08 | 2019-07-12 | 青岛澳丽森建材有限公司 | A kind of compound coil of strip production equipment and production technology |
| CN110842365A (en) * | 2019-11-26 | 2020-02-28 | 佳普电子新材料(连云港)有限公司 | Laser surface treatment process for metal base material of shielding material |
| CN118983151A (en) * | 2024-08-28 | 2024-11-19 | 滁州润翰微波科技有限公司 | A cable sheath forming device for radio frequency cable processing |
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