CN1974187A - Making process of luminous heat shrinkable casing - Google Patents
Making process of luminous heat shrinkable casing Download PDFInfo
- Publication number
- CN1974187A CN1974187A CNA2006101304052A CN200610130405A CN1974187A CN 1974187 A CN1974187 A CN 1974187A CN A2006101304052 A CNA2006101304052 A CN A2006101304052A CN 200610130405 A CN200610130405 A CN 200610130405A CN 1974187 A CN1974187 A CN 1974187A
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- China
- Prior art keywords
- expansion
- irradiation
- heat shrinkable
- mixing
- districts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 25
- 239000000843 powder Substances 0.000 claims abstract description 19
- 229920000098 polyolefin Polymers 0.000 claims abstract description 16
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 7
- 229920001038 ethylene copolymer Polymers 0.000 claims abstract description 7
- 239000004611 light stabiliser Substances 0.000 claims abstract description 7
- 238000001125 extrusion Methods 0.000 claims description 25
- 239000004698 Polyethylene Substances 0.000 claims description 14
- -1 as EVA1405 Polymers 0.000 claims description 14
- 238000005469 granulation Methods 0.000 claims description 14
- 230000003179 granulation Effects 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 238000004513 sizing Methods 0.000 claims description 12
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 10
- 239000011347 resin Substances 0.000 claims description 10
- 229920000573 polyethylene Polymers 0.000 claims description 9
- 239000003063 flame retardant Substances 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 7
- 239000004215 Carbon black (E152) Substances 0.000 claims description 6
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 6
- 235000007164 Oryza sativa Nutrition 0.000 claims description 6
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 claims description 6
- 125000001118 alkylidene group Chemical group 0.000 claims description 6
- 150000004645 aluminates Chemical class 0.000 claims description 6
- 229910000323 aluminium silicate Inorganic materials 0.000 claims description 6
- 150000001412 amines Chemical class 0.000 claims description 6
- 239000012752 auxiliary agent Substances 0.000 claims description 6
- XRKRLGIKBFGWKI-UHFFFAOYSA-N butane;prop-2-enoic acid Chemical compound CCCC.OC(=O)C=C XRKRLGIKBFGWKI-UHFFFAOYSA-N 0.000 claims description 6
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 6
- 229930195733 hydrocarbon Natural products 0.000 claims description 6
- 150000002430 hydrocarbons Chemical class 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 6
- 239000002530 phenolic antioxidant Substances 0.000 claims description 6
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 235000009566 rice Nutrition 0.000 claims description 6
- 229910052712 strontium Inorganic materials 0.000 claims description 6
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims 1
- 241000209094 Oryza Species 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 244000283207 Indigofera tinctoria Species 0.000 description 1
- 235000000177 Indigofera tinctoria Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229940097275 indigo Drugs 0.000 description 1
- COHYTHOBJLSHDF-UHFFFAOYSA-N indigo powder Natural products N1C2=CC=CC=C2C(=O)C1=C1C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/918—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling
- B29C48/9185—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling in the direction of the stream of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The present invention relates to making process of luminous heat shrinkable casing. The materials include polyolefin 60-90 weight portions, super long afterglow luminescent powder 5-50 weight portions, antiager 0.5-2 weight portions, light stabilizer 0.5-2 weight portions, cross-linking agent 0.5-2 weight portions and ethylene copolymer 5-10 weight portions. The making process includes the following steps: 1. mixing the materials and extruding with one double screw extrude; 2, extruding at certain temperature to form; 3. irradiation with one electron accelerator in the dosage of 14+/-0.5 Mrad; 4. extension at temperature of 135+/-10 deg.c and speed of 2-15 m/min; and 5. printing, cutting, etc. The technological process is simple and has high product quality.
Description
Technical field
The present invention relates to a kind of manufacture method of crosslinking with radiation heat-shrinkable tube, particularly a kind of manufacture method of luminous heat shrinkable casing.
Background technology
At present, the heat-shrinkable tube on the market is widely used in industries such as electric power, electrical equipment, medical treatment.Because existing heat-shrinkable tube can not be luminous in the dark, make range of application be difficult to expansion.Along with the progress of science and technology, the application of existing product completely can not have been satisfied the demand in market far away.According to domestic and international client's demand, for expanding the range of application of heat-shrinkable tube, improve the scientific and technological content of this product, it is imperative to increase its added value.
Summary of the invention
The objective of the invention is to overcome above-mentioned weak point, provide a kind of technology simple, make that the finished product luminescent properties is good, the manufacture method of widely used luminous heat shrinkable casing.
The technical solution adopted in the present invention is for achieving the above object: a kind of manufacture method of luminous heat shrinkable casing is through mixing, granulation, extrude, irradiation, expansion are finished, and it is characterized in that by ratio of weight and the number of copies, selects following raw material:
Polyolefine material is polyethylene vinyl acetate copolymer EVA, as EVA1405, and polythene PE such as PE 18D:60-90 part;
Overlength afterglow luminescent powder is alkaline earth aluminate, the silicate of activated by rare earth elements, as aluminosilicate strontium LG402, LG502:5-50 part;
Age resister is alkyl phenol, alkylidene phenolic antioxidant, as BNX1010:0.5-2 part;
Light stabilizer is a hindered amines, as GW540:0.5-2 part;
Crosslinking agent is three hydrocarbon methylpropane acrylate TMPTA:0.5-2 parts;
Ethylene copolymer is POE8410:5-10 part;
The fire-retardant white master material of polyolefin uses during for double-walled construction at product;
Implementation step is as follows:
(1) mixing, granulation:
Overlength afterglow luminescent powder will fully be dried before mixing with resin, at below 80-85 ℃ dry 2 ± 0.5 hours, add overlength afterglow luminescent powder, polyolefine material and auxiliary agent by above-mentioned parts by weight proportioning and evenly mix, carry out mixing, granulation with twin-screw, single screw extrusion machine or mill;
(2) extrusion molding:
Use plastic extruder, extrude unit as 45# or 50#, extrusion molding;
Extrusion temperature: 1 district: 110 ± 10 ℃, 2 districts: 120 ℃ ± 10 ℃, 3 districts: 125 ℃ ± 10 ℃, 4 districts: 128 ℃ ± 10 ℃, head temperature: 110 ℃ ± 10 ℃;
(3) irradiation:
Adopt electron accelerator irradiation, irradiation dose: 14 ± 0.5Mrad;
(4) expansion:
The expansion temperature: 135 ℃ ± 10 ℃, rate of expansion 2-15 rice/minute; Adopt different expansion sizing expansions to manufacture a finished product expansion multiplying power 2: 1-5: 1 sizing;
(5) lettering and segment as required routinely, and carry out the product inspection warehouse-in.
When described luminous heat shrinkable casing was double-walled construction, the inwall material therefor was the fire-retardant white master material of polyolefin, with the outer wall materials weight ratio be 1: 1-2: 1.
The invention has the beneficial effects as follows: after the product that this method is made absorbs certain hour luminous energy, can turn to be yellow in the dark-green, indigo plant-green glow, the illumination effect highly significant, and have the performance of heat-shrinkable tube, and can do insulation material, encapsulant use in uniform temperature.The structure of luminous heat shrinkable casing can be single wall or double-walled construction, and when structure was double-walled, the fire-retardant white master material of the polyolefin that inwall adopted made that luminous heat shrinkable casing reflection illumination effect is better, and improves fire resistance, and it shrinks multiplying power can reach 2-5 doubly.On technical standard, with reference to the fire-retardant index of the U.S. of UL224VW-1, defer to the European environmental protection index of ROHS EU, with the consistent EC mark of EMC instruction.Wherein: activationary time is in 30 minutes, and the luminous duration is 8-48 hour, and luminescent properties can reach 100-300mcd/m in 10 minutes
2Adopt this method effectively to reduce pollution, help environmental protection, the product fire resistance is good, and application safety is reliable; Not only can use in fields such as electric industry, communications industry, electronics industry, precision instruments, also can expand military affairs, science and technology, public safety (security context and urgent environment), electric power, medicine equipment so that toy and novel accessory etc., range of application is very extensive.
The specific embodiment
Below in conjunction with preferred embodiment, to details are as follows according to the specific embodiment provided by the invention:
Embodiment 1
Every part is 1kg by ratio of weight and the number of copies, selects following raw material:
Polyolefine material: polyethylene vinyl acetate copolymer EVA such as EVA1405:60-90kg;
Overlength afterglow luminescent powder: the alkaline earth aluminate of activated by rare earth elements, silicate, as aluminosilicate strontium LG402:5-50kg;
Age resister: alkyl phenol, alkylidene phenolic antioxidant, as BNX1010:0.5-2kg;
Light stabilizer: hindered amines, as GW540:0.5-2kg;
Crosslinking agent: three hydrocarbon methylpropane acrylate TMPTA:0.5-2kg;
Ethylene copolymer: as POE8410:5-10kg;
Implementation step is as follows:
(1) mixing, granulation:
Luminescent powder will fully be dried before mixing with resin, at below 80-85 ℃ dry 2 ± 0.5 hours, added luminescent powder, resin and auxiliary agent by above-mentioned parts by weight proportioning and evenly mixed, with double screw extruder or mill, mixing, the granulation of single screw extrusion machine;
(2) extrusion molding:
Use the polyethylene extruder, extrude unit as 45# or 50#, extrusion molding,
Extrusion temperature: 1 district: 110 ± 10 ℃, 2 districts: 120 ℃ ± 10 ℃, 125 ℃ ± 10 ℃ in 3 districts, 4 districts: 128 ℃ ± 10 ℃, head temperature: 110 ℃ ± 10 ℃;
(3) irradiation:
Adopt electron accelerator irradiation, irradiation dose: 14 ± 0.5Mrad;
(4) expansion:
The expansion temperature: 135 ℃ ± 10 ℃, rate of expansion 2-15 rice/minute; Use different expansion sizing expansions to manufacture a finished product, as 2: 1 sizings of expansion multiplying power;
(5) lettering and segment as required routinely, and carry out the product inspection warehouse-in.
Embodiment 2
Every part is 1kg by ratio of weight and the number of copies, selects following raw material:
Polyolefine material: polythene PE such as PE 18D:60-90kg;
Overlength afterglow luminescent powder: the alkaline earth aluminate of activated by rare earth elements, silicate, as aluminosilicate strontium LG502:5-50kg;
Anti-aging: alkyl phenol, alkylidene phenolic antioxidant such as BNX1010:0.5-2kg;
Light stabilizer: hindered amines, as GW540:0.5-2kg;
Crosslinking agent: three hydrocarbon methylpropane acrylate TMPTA:0.5-2kg;
Ethylene copolymer: as POE8410:5-10kg;
Implementation step is as follows:
(1) mixing, granulation:
Luminescent powder will fully be dried before mixing with resin, at below 80-85 ℃ dry 2 ± 0.5 hours, added luminescent powder, resin and auxiliary agent by above-mentioned parts by weight proportioning and evenly mixed, with double screw extruder or mill, mixing, the granulation of single screw extrusion machine;
(2) extrusion molding:
Use the polyethylene extruder, extrude unit as 45# or 50#, extrusion molding,
Extrusion temperature: 1 district: 110 ± 10 ℃, 2 districts: 120 ℃ ± 10 ℃, 125 ℃ ± 10 ℃ in 3 districts, 4 districts: 128 ℃ ± 10 ℃, head temperature: 110 ℃ ± 10 ℃;
(3) irradiation:
Adopt electron accelerator irradiation, irradiation dose: 14 ± 0.5Mrad;
(4) expansion:
The expansion temperature: 135 ℃ ± 10 ℃, rate of expansion 2-15 rice/minute; Use different expansion sizing expansions to manufacture a finished product, as 3: 1 sizings of expansion multiplying power;
(5) lettering and segment as required routinely, and carry out the product inspection warehouse-in.
Embodiment 3
Every part is 1kg by ratio of weight and the number of copies, selects following raw material:
Polyolefine material: polyethylene vinyl acetate copolymer EVA such as EVA1405, polythene PE, as PE 18D:60-90kg;
Overlength afterglow luminescent powder: the alkaline earth aluminate of activated by rare earth elements, silicate, as aluminosilicate strontium LG402, LG502:5-50kg;
Age resister: alkyl phenol, alkylidene phenolic antioxidant, as BNX1010:0.5-2kg;
Light stabilizer: hindered amines, as GW540:0.5-2kg;
Crosslinking agent: three hydrocarbon methylpropane acrylate TMPTA:0.5-2kg;
Ethylene copolymer is as POE8410:5-10kg;
Implementation step is as follows:
(1) mixing, granulation:
Luminescent powder will fully be dried before mixing with resin, at below 80-85 ℃ dry 2 ± 0.5 hours, added luminescent powder, resin and auxiliary agent by above-mentioned parts by weight proportioning and evenly mixed, with double screw extruder or mill, mixing, the granulation of single screw extrusion machine;
(2) extrusion molding:
Use the polyethylene extruder, extrude unit as 45# or 50#, extrusion molding,
Extrusion temperature: 1 district: 110 ± 10 ℃, 2 districts: 120 ℃ ± 10 ℃, 125 ℃ ± 10 ℃ in 3 districts, 4 districts: 128 ℃ ± 10 ℃, head temperature: 110 ℃ ± 10 ℃;
(3) irradiation:
Adopt electron accelerator irradiation, irradiation dose: 14 ± 0.5Mrad;
(4) expansion:
The expansion temperature: 135 ℃ ± 10 ℃, rate of expansion 2-15 rice/minute; Use different expansion sizing expansions to manufacture a finished product, as 4: 1 sizings of expansion multiplying power;
(5) lettering and segment as required routinely, and carry out the product inspection warehouse-in.
Embodiment 4
Every part is 1kg by ratio of weight and the number of copies, selects following raw material:
Polyolefine material: polyethylene vinyl acetate copolymer EVA such as EVA1405, polythene PE, as PE 18D:60-90kg;
Overlength afterglow luminescent powder: the alkaline earth aluminate of activated by rare earth elements, silicate, as aluminosilicate strontium LG402, LG502:5-50kg;
Age resister: alkyl phenol, alkylidene phenolic antioxidant, as BNX1010:0.5-2kg;
Light stabilizer: hindered amines, as GW540:0.5-2kg;
Crosslinking agent: three hydrocarbon methylpropane acrylate TMPTA:0.5-2kg;
Ethylene copolymer is as POE8410:5-10kg;
When described luminous heat shrinkable casing was double-walled construction, the inwall material therefor was the fire-retardant white master material of polyolefin, with the outer wall materials weight ratio be 1: 1.
Implementation step is as follows:
(1) mixing, granulation:
Luminescent powder will fully be dried before mixing with resin, at below 80-85 ℃ dry 2 ± 0.5 hours, added luminescent powder, resin and auxiliary agent by above-mentioned parts by weight proportioning and evenly mixed, with double screw extruder or mill, mixing, the granulation of single screw extrusion machine;
(2) extrusion molding:
Use the polyethylene extruder, extrude unit as 45# or 50#, extrusion molding,
Extrusion temperature: 1 district: 110 ± 10 ℃, 2 districts: 120 ℃ ± 10 ℃, 125 ℃ ± 10 ℃ in 3 districts, 4 districts: 128 ℃ ± 10 ℃, head temperature: 110 ℃ ± 10 ℃;
(3) irradiation:
Adopt electron accelerator irradiation, irradiation dose: 14 ± 0.5Mrad;
(4) expansion:
The expansion temperature: 135 ℃ ± 10 ℃, rate of expansion 2-15 rice/minute; Use different expansion sizing expansions to manufacture a finished product, as 5: 1 sizings of expansion multiplying power;
(5) lettering and segment as required routinely, and carry out the product inspection warehouse-in.
When (6) described luminous heat shrinkable casing was double-walled construction, the inwall material therefor was the fire-retardant white master material of polyolefin, with the outer wall materials weight ratio be 2: 1.
The present invention adopts the mode of co-extrusion to produce the double-walled luminous heat shrinkable casing, makes its illumination effect more remarkable, and improves the fire resistance of product.
Technical indicator: (through the test of authoritative professional institution):
Caliber is Φ 0.8-Φ 400mm, and wall thickness is 0.3-8mm;
Activationary time: in 30 minutes;
Luminous duration: 8-48 hour;
Photism in 10 minutes: 100-300mcd/m2;
Activate peak value: 360nm;
Activate spectrum: 200-450nm;
The peak value of W group: 520nm;
Operating temperature :-20-105 ℃;
Minimum shrinkage temperature: 100 ℃;
Shrinkage factor: 2: 1-5: 1;
Vertical shrinkage factor :≤10%;
Color: yellow-green, blue-green.
Properties of product of the present invention detect and see the following form:
| Interventions Requested | Test condition | Technical indicator | |
| Physical property | Water absorption rate, % | ≤0.1 | |
| Radial shrinkage ratio, % | 130±2℃ /1～3min | ≥50 | |
| The axial shrinkage rate, % | 130±2℃ /1～3min | ≤10 | |
| Mechanical performance | Hardness, Shao Shi A | ≤80 | |
| Hot strength, MPa | ≥10.0 | ||
| Elongation at break, % | ≥200 | ||
| Low temperature flexibility | -40±2℃/1hr | Flawless | |
| Thermal shock resistance properties | 175±1℃/1hr | Flawless | |
| Ageing properties | Hot strength rate of change K1 | 136±1℃ /168hr | ≥70％ |
| Elongation at break rate of change K2 | 136±1℃ /168hr | ≥70％ | |
| Electrical property | Breakdown strength, KV/mm | ≥16.0 | |
| Specific insulation, Ω .cm | ＞10 14 | ||
| Dielectric constant | ≤3.5 | ||
| Luminescent properties | Activationary time | 30 minutes | 25 minutes |
| 10 minutes photisms | 100-300mcd/m 2 | 300mcd/m 2 | |
| Fluorescent lifetime | 〉=8 hours | ||
| The ROSH standard | Chromium content | Total amount is no more than 100mg/Kg | |
| Arsenic content | |||
| Mercury content | |||
| Lead content | |||
| Cadmium content | |||
| Content of halogen (FClBrl) | |||
Claims (2)
1, a kind of manufacture method of luminous heat shrinkable casing be through mixing, granulation, extrude, irradiation, expansion finishes, and it is characterized in that by ratio of weight and the number of copies, selects following raw material:
Polyolefine material is polyethylene vinyl acetate copolymer EVA, as EVA1405, and polythene PE such as PE 18D:60-90 part;
Overlength afterglow luminescent powder is alkaline earth aluminate, the silicate of activated by rare earth elements, as aluminosilicate strontium LG402, LG502:5-50 part;
Age resister is alkyl phenol, alkylidene phenolic antioxidant, as BNX1010:0.5-2 part;
Light stabilizer is a hindered amines, as GW540:0.5-2 part;
Crosslinking agent is three hydrocarbon methylpropane acrylate TMPTA:0.5-2 parts;
Ethylene copolymer is POE8410:5-10 part;
The fire-retardant white master material of polyolefin uses during for double-walled construction at product;
Implementation step is as follows:
(1) mixing, granulation:
Overlength afterglow luminescent powder will fully be dried before mixing with resin, at below 80-85 ℃ dry 2 ± 0.5 hours, add overlength afterglow luminescent powder, polyolefine material and auxiliary agent by above-mentioned parts by weight proportioning and evenly mix, carry out mixing, granulation with twin-screw, single screw extrusion machine or mill;
(2) extrusion molding:
Use plastic extruder, extrude unit as 45# or 50#, extrusion molding;
Extrusion temperature: 1 district: 110 ± 10 ℃, 2 districts: 120 ℃ ± 10 ℃, 3 districts: 125 ℃ ± 10 ℃, 4 districts: 128 ℃ ± 10 ℃, head temperature: 110 ℃ ± 10 ℃;
(3) irradiation:
Adopt electron accelerator irradiation, irradiation dose: 14 ± 0.5Mrad;
(4) expansion:
The expansion temperature: 135 ℃ ± 10 ℃, rate of expansion 2-15 rice/minute; Adopt different expansion sizing expansions to manufacture a finished product expansion multiplying power 2: 1-5: 1 sizing;
(5) lettering and segment as required routinely, and carry out the product inspection warehouse-in.
2, the manufacture method of a kind of luminous heat shrinkable casing according to claim 1, when it is characterized in that described luminous heat shrinkable casing is double-walled construction, the inwall material therefor is the fire-retardant white master material of polyolefin, with the outer wall materials weight ratio be 1: 1-2: 1.
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| CN100594117C CN100594117C (en) | 2010-03-17 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100547017C (en) * | 2007-06-18 | 2009-10-07 | 济南朗星科技有限公司 | A kind of preparation method of luminous thermoplastic plastic parent particles |
| CN101696299B (en) * | 2009-10-28 | 2011-08-31 | 江苏达胜热缩材料有限公司 | Semiconductor low-voltage double-wall thermal shrinkage pipe and preparation method thereof |
| CN102582082A (en) * | 2012-02-22 | 2012-07-18 | 浙江阳明光伏材料有限公司 | Preparation method of ethylene-vinyl acetate copolymer (EVA) photographic film |
| CN102649848A (en) * | 2011-08-16 | 2012-08-29 | 上海公元建材发展有限公司 | Toughness-improved HDPE (High-Density Polyethylene) trenchless tubular product |
| CN104151692A (en) * | 2014-08-11 | 2014-11-19 | 大连欧思特科技有限公司 | Long-afterglow photo-induced light-storing heat-shrink tube and preparation method thereof |
| CN104212049A (en) * | 2014-08-26 | 2014-12-17 | 大连欧思特科技有限公司 | Thermal shrinkable tube and preparation method thereof as well as application of thermal shrinkable tube in LED filament packaging |
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- 2006-12-19 CN CN200610130405A patent/CN100594117C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100547017C (en) * | 2007-06-18 | 2009-10-07 | 济南朗星科技有限公司 | A kind of preparation method of luminous thermoplastic plastic parent particles |
| CN101696299B (en) * | 2009-10-28 | 2011-08-31 | 江苏达胜热缩材料有限公司 | Semiconductor low-voltage double-wall thermal shrinkage pipe and preparation method thereof |
| CN102649848A (en) * | 2011-08-16 | 2012-08-29 | 上海公元建材发展有限公司 | Toughness-improved HDPE (High-Density Polyethylene) trenchless tubular product |
| CN102649848B (en) * | 2011-08-16 | 2014-04-02 | 上海公元建材发展有限公司 | Toughness-improved HDPE (High-Density Polyethylene) trenchless tubular product |
| CN102582082A (en) * | 2012-02-22 | 2012-07-18 | 浙江阳明光伏材料有限公司 | Preparation method of ethylene-vinyl acetate copolymer (EVA) photographic film |
| CN102582082B (en) * | 2012-02-22 | 2014-06-18 | 浙江阳明光伏材料有限公司 | Preparation method of ethylene-vinyl acetate copolymer (EVA) photographic film |
| CN104151692A (en) * | 2014-08-11 | 2014-11-19 | 大连欧思特科技有限公司 | Long-afterglow photo-induced light-storing heat-shrink tube and preparation method thereof |
| CN104151692B (en) * | 2014-08-11 | 2017-01-11 | 大连欧思特科技有限公司 | Long-afterglow photo-induced light-storing heat-shrink tube and preparation method thereof |
| CN104212049A (en) * | 2014-08-26 | 2014-12-17 | 大连欧思特科技有限公司 | Thermal shrinkable tube and preparation method thereof as well as application of thermal shrinkable tube in LED filament packaging |
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| CN100594117C (en) | 2010-03-17 |
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