CN109627599A - A kind of graphene Electric radiant Heating Film flame-retardant polypropylene film hermetic bag - Google Patents
A kind of graphene Electric radiant Heating Film flame-retardant polypropylene film hermetic bag Download PDFInfo
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- CN109627599A CN109627599A CN201811425204.4A CN201811425204A CN109627599A CN 109627599 A CN109627599 A CN 109627599A CN 201811425204 A CN201811425204 A CN 201811425204A CN 109627599 A CN109627599 A CN 109627599A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/14—Copolymers of propene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2251—Oxides; Hydroxides of metals of chromium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2262—Oxides; Hydroxides of metals of manganese
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
Abstract
The present invention relates to a kind of graphene Electric radiant Heating Film flame-retardant polypropylene film hermetic bag, including graphene Electric radiant Heating Film, upper layer and lower layer flame-retardant polypropylene film of the big envelope outside graphene Electric radiant Heating Film；The side short side of the graphene Electric radiant Heating Film connects grafting cable, for powering on.Graphene Electric radiant Heating Film is encapsulated using flame-retardant polypropylene film, solve the problems, such as when the poor material thermal stability of prior art encapsulation Electric radiant Heating Film, burning smoke density greatly, poor impact resistance, not environmentally.
Description
Technical field
The present invention relates to electrothermal film technology fields more particularly to a kind of graphene Electric radiant Heating Film to be sealed with flame-retardant polypropylene film
Bag.
Background technique
Low temperature electric heating film is the polyester film that can be generated heat after a kind of energization, is generally carried by conductive special ink, metal
Item is processed is made for stream, and is applied in heating system in Electric radiant Heating Film outside envelope polyvinyl chloride protective film.Electric radiant Heating Film is in work
When state, heat is sent into space in the form of radiation, for being warmer than human body and object, resultant effect is supplied better than traditional convection current
Warm mode.
In traditional Electric radiant Heating Film, Electric radiant Heating Film external application polyvinyl chloride film is encapsulated, and polyvinyl chloride easily occurs certainly under heating condition
Polyenoid chain is gripped in the reaction of catalysis dechlorination hydrogen, formation altogether, so occur chain rupture, crosslinking and change colour, degrade.And in combustion can
The toxic gases such as hydrogen chloride, dioxin are released, are detrimental to health, environment is polluted.
Polyvinyl chloride has flame retardant effect, therefore is widely used in flame retardant application.But there is also heat for polyvinyl chloride itself
Stability is poor, burning when smoke density is big, poor impact resistance, not environmentally the defects of.
Summary of the invention
Therefore, for the above content, the present invention provides a kind of graphene Electric radiant Heating Film flame-retardant polypropylene film hermetic bag, solution
Certainly the prior art encapsulation Electric radiant Heating Film material thermal stability it is poor, burning when smoke density greatly, poor impact resistance the problem of.
In order to achieve the above objectives, the present invention is achieved by the following technical solutions: a kind of graphene Electric radiant Heating Film is with fire-retardant
Polypropylene film hermetic bag, including graphene Electric radiant Heating Film, upper layer and lower layer polypropylene flame redardant of the big envelope outside graphene Electric radiant Heating Film are thin
Film；The side short side of the graphene Electric radiant Heating Film connects grafting cable, for powering on；The flame-retardant polypropylene film includes
The each component of following parts by weight:
A further improvement is that: the fire retardant the preparation method is as follows:
(1) it prepares Silicone-containing Flame Retardant: weighing suitable 3- (1- naphthoxy) -1,2- propylene oxide, it is molten with dimethyl sulfoxide
Flask is poured into after solution, triphenylphosphine makees catalyst, then slowly adds the dimethyl sulphoxide solution of three (t-butoxy) silanols
Enter flask, 150 DEG C of reaction temperature, be stirred to react 5-8h, after reaction, filters, vacuum distillation, freeze-drying, obtain novel
Silicone-containing Flame Retardant；
(2) fire retardant is by Silicone-containing Flame Retardant, N, and N- diethyl phosphoramidite di tert butyl carbonate is by weight 1.2-1.5:
0.8-1.2 is mixed.
A further improvement is that: the fire retarding synergist by barium metaborate, manganese dioxide, chrome green by weight
0.5-0.8:0.8-1.2:1.5-2.0 is mixed.
A further improvement is that: the antioxidant is by bis- (2- ethylhexyl) phosphite esters, 2,6- dimethoxy to benzene
Diphenol is mixed by weight 0.7-0.9:1.2-1.5.
A further improvement is that: the ultraviolet absorbing agent is by 2,4- dimethoxy -1,3,5- triazine, 3- acetyl Benzophenone
It is mixed by weight 1.1-1.3:0.9-1.1.
The present invention also provides the preparation methods of flame-retardant polypropylene film, comprising the following steps:
Step1: each component raw material being put in proportion into high-speed mixer and mixes 25-35min, mixing temperature 80-90
℃；
Step2: being added double screw extruder melting extrusion for above-mentioned uniformly mixed material, through casting roller tape casting,
Biaxial tension is finally carried out, flame-retardant polypropylene film is obtained；
Each area's temperature is respectively T from feed opening to exporting to head inside the double screw extruder1=170-180 DEG C, T2
=185-195 DEG C, T3=185-195 DEG C, T4=195-205 DEG C, T5=200-210 DEG C, T6=210-220 DEG C.
The present invention also provides the graphene Electric radiant Heating Film preparation methods of flame-retardant polypropylene film hermetic bag, including following step
It is rapid:
Step1: two layers flame-retardant polypropylene film overlaps up and down, and the two sides long side after overlapping is welded by Ultrasonic Plastic
It picks and carries out welding edge sealing；
Step2: the short side of the flame-retardant polypropylene film good to above-mentioned welding edge sealing is cut, and obtains the double of required length
Layer flame-retardant polypropylene film, graphene Electric radiant Heating Film is filled in Double-layer flame-retardant polypropylene film, is connected in graphene Electric radiant Heating Film
Grafting cable stretch out flame-retardant polypropylene film outside；
Step3: the side short side that grafting cable is not connected on Double-layer flame-retardant polypropylene film passes through Ultrasonic Plastic Welding
Machine carries out welding edge sealing；
Step4: winding the special clay of one piece of 2-3cm outside grafting cable, then with upper and lower level flame-retardant polypropylene film at the beginning of
Step bonding, the upper and lower level of ultrasonic plastic welder use particular manufacturing craft, there is a groove, the groove alignment winding on mold
The position of the cable of clay, then welds edge sealing, and graphene Electric radiant Heating Film flame-retardant polypropylene film hermetic bag is made.
By using preceding solution, the beneficial effects of the present invention are: generating phosphorus when (1) phosphorus flame retardant high-temp combustion
Acid or polyphosphoric acid form layer protecting film on comburant surface, can starvation；Its hypophosphorous acid and polyphosphoric acid can promote poly- third
Alkene dehydration carbonization is formed on its surface charring layer, isolation heat and oxygen.Silicon-series five-retardant in polypropylene material high-temp combustion,
Si-C key is formed, the volatile matter for preventing burning from generating escapes, and starvation plays fire-retardant effect.By phosphorus flame retardant and
The compounding of silicon-series five-retardant, the synergistic effect both played obtain more preferably flame retardant effect, when comburant burns raw smoke it is few,
Toxicity is low.(2) flame-retardant polypropylene film thermal stability gets a promotion, far superior to polyvinyl chloride, and has good cold-resistant
Property, embrittlement will not be occurred by placing 6 months under the conditions of -65 DEG C.(3) electrical insulation capability of flame-retardant polypropylene film is good, and
These mechanical property of impact strength, tensile strength, bending strength are also far superior to polychloroethylene film, solve polyvinyl chloride impact resistance
Property difference problem.(4) grafting cable is pvc material, and package cover uses polypropylene material, and different materials can not fuse
Together, the present invention uses special clay, is gathered cable and the fire-retardant of encapsulation graphene Electric radiant Heating Film by ultrasonic welding technique
Propylene is bonded together, and ensure that the leakproofness of product.(5) it will not be produced using flame-retardant polypropylene film encapsulation graphene Electric radiant Heating Film
Raw toxic gas, is detrimental to health, and pollutes environment, meets the theory of modern environmental protection, and plays effect waterproof and dampproof well
Fruit.(6) it carries out structure to graphene Electric radiant Heating Film to improve and optimizate, to the outer layer for encapsulating graphene Electric radiant Heating Film when adding aluminium film structure sheaf
Film requires height, and graphene Electric radiant Heating Film flame-retardant polypropylene film hermetic bag prepared by the present invention can be under the voltage of 3750V
It keeps working normally.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is schematic diagram when grafting cable and flame-retardant polypropylene film weld in the embodiment of the present invention.
Specific embodiment
Carry out the embodiment that the present invention will be described in detail below with reference to specific embodiment, how skill is applied to the present invention whereby
Art means solve technical problem, and the realization process for reaching technical effect can fully understand and implement.
Unless otherwise specified, the conventional hand that technological means employed in embodiment is well known to those skilled in the art
Section, used reagent and product are also available commercial.The source of agents useful for same, trade name and it is necessary to list it
Constituent person is indicated on the first occurrence.
Embodiment one
Referring to figs. 1 to Fig. 2, a kind of graphene Electric radiant Heating Film flame-retardant polypropylene film hermetic bag, including from top to bottom successively
Flame-retardant polypropylene film 1, graphene Electric radiant Heating Film 2 and the flame-retardant polypropylene film 3 of lamination, the side of the graphene Electric radiant Heating Film 2
Short side connects grafting cable 4, for powering on.One block of special clay 5 is wound when sealing outside grafting cable, then with upper and lower level
Flame-retardant polypropylene film green tack, the upper and lower level of ultrasonic plastic welder use particular manufacturing craft, have a groove on mold
6, the cable of 6 position alignment of the groove winding clay, during ultrasonic bonding, special clay is melted so that upper and lower level hinders
Combustion polypropylene film and grafting cable hold tightly together, and graphene Electric radiant Heating Film flame-retardant polypropylene film hermetic bag is made.
The ingredient of the flame-retardant polypropylene film: 60 parts of copolymer polypropylene, 10 parts of high density polyethylene (HDPE)s, 12 parts of fire retardants,
0.8 part of barium metaborate, 1.2 parts of manganese dioxide, 2.1 parts of chrome greens, 10 parts of polyquaterniums -7,6 parts of ceramic fibres, 0.08 part
Bis- (2- ethylhexyl) phosphite esters, 0.12 part of 2,6- 2-methoxyhydroquinone, 0.06 part of 2,4- dimethoxy -1,3,5- three
Piperazine, 0.04 part of 3- acetyl Benzophenone.
The fire retardant the preparation method is as follows:
(1) it prepares Silicone-containing Flame Retardant: weighing suitable 3- (1- naphthoxy) -1,2- propylene oxide, it is molten with dimethyl sulfoxide
Flask is poured into after solution, triphenylphosphine makees catalyst, then slowly adds the dimethyl sulphoxide solution of three (t-butoxy) silanols
Enter flask, 150 DEG C of reaction temperature, be stirred to react 5-8h, after reaction, filters, vacuum distillation, freeze-drying, obtain novel
Silicone-containing Flame Retardant；
(2) for the fire retardant by Silicone-containing Flame Retardant, N, N- diethyl phosphoramidite di tert butyl carbonate is mixed by weight 1.2:0.8
It closes.
A kind of preparation method of flame-retardant polypropylene film, comprising the following steps:
Step1: each component raw material being put in proportion into high-speed mixer and mixes 25min, and 80 DEG C of mixing temperature；
Step2: being added double screw extruder melting extrusion for above-mentioned uniformly mixed material, through casting roller tape casting,
Biaxial tension is finally carried out, flame-retardant polypropylene film is obtained.
Each area's temperature is respectively T from feed opening to exporting to head inside double screw extruder1=170 DEG C, T2=185 DEG C,
T3=185 DEG C, T4=195 DEG C, T5=200 DEG C, T6=210 DEG C.
A kind of preparation method of graphene Electric radiant Heating Film flame-retardant polypropylene film hermetic bag, comprising the following steps:
Step1: flame-retardant polypropylene film 1 and about 3 flame-retardant polypropylene film overlap, and the two sides long side after overlapping is led to
It crosses ultrasonic plastic welder and carries out welding edge sealing；
Step2: the short side of the flame-retardant polypropylene film good to above-mentioned welding edge sealing is cut, and obtains the double of required length
Layer flame-retardant polypropylene film, graphene Electric radiant Heating Film 2 is filled in Double-layer flame-retardant polypropylene film, is connected in graphene Electric radiant Heating Film
Grafting cable 4 stretch out flame-retardant polypropylene film outside；
Step3: the side short side that grafting cable 4 is not connected on Double-layer flame-retardant polypropylene film passes through Ultrasonic Plastic Welding
Machine carries out welding edge sealing；
Step4: winding the special clay 5 of one piece of 2cm outside grafting cable, then preliminary with upper and lower level flame-retardant polypropylene film
Bonding, the upper and lower level of ultrasonic plastic welder use particular manufacturing craft, there is a groove 6, the alignment of groove 6 winding on mold
The position of the cable of clay, then welds edge sealing, and graphene Electric radiant Heating Film flame-retardant polypropylene film hermetic bag is made.
Embodiment two
A kind of graphene Electric radiant Heating Film flame-retardant polypropylene film hermetic bag, the ingredient of the flame-retardant polypropylene film are as follows: 70
Part copolymer polypropylene, 15 parts of high density polyethylene (HDPE)s, 18 parts of fire retardants, 1.6 parts of barium metaborates, 2.4 parts of manganese dioxide, 4 part of three oxygen
Change two chromium, 20 parts of polyquaterniums -7,9 parts of ceramic fibres, 0.15 part of bis- (2- ethylhexyl) phosphite esters, 0.25 part of 2,6- diformazan
Oxygroup hydroquinone, 0.27 part of 2,4- dimethoxy -1,3,5- triazine, 0.23 part of 3- acetyl Benzophenone.
The fire retardant the preparation method is as follows:
(1) it prepares Silicone-containing Flame Retardant: weighing suitable 3- (1- naphthoxy) -1,2- propylene oxide, it is molten with dimethyl sulfoxide
Flask is poured into after solution, triphenylphosphine makees catalyst, then slowly adds the dimethyl sulphoxide solution of three (t-butoxy) silanols
Enter flask, 150 DEG C of reaction temperature, be stirred to react 5-8h, after reaction, filters, vacuum distillation, freeze-drying, obtain novel
Silicone-containing Flame Retardant；
(2) for the fire retardant by Silicone-containing Flame Retardant, N, N- diethyl phosphoramidite di tert butyl carbonate is mixed by weight 1.5:1.2
It closes.
A kind of preparation method of flame-retardant polypropylene film, comprising the following steps:
Step1: each component raw material being put in proportion into high-speed mixer and mixes 35min, and 90 DEG C of mixing temperature；
Step2: being added double screw extruder melting extrusion for above-mentioned uniformly mixed material, through casting roller tape casting,
Biaxial tension is finally carried out, flame-retardant polypropylene film is obtained.
Each area's temperature is respectively T from feed opening to exporting to head inside double screw extruder1=180 DEG C, T2=195 DEG C,
T3=195 DEG C, T4=205 DEG C, T5=210 DEG C, T6=220 DEG C.
A kind of preparation method of graphene Electric radiant Heating Film flame-retardant polypropylene film hermetic bag, comprising the following steps:
Step1: flame-retardant polypropylene film 1 and about 3 flame-retardant polypropylene film overlap, and the two sides long side after overlapping is led to
It crosses ultrasonic plastic welder and carries out welding edge sealing；
Step2: the short side of the flame-retardant polypropylene film good to above-mentioned welding edge sealing is cut, and obtains the double of required length
Layer flame-retardant polypropylene film, graphene Electric radiant Heating Film 2 is filled in Double-layer flame-retardant polypropylene film, is connected in graphene Electric radiant Heating Film
Grafting cable 4 stretch out flame-retardant polypropylene film outside；
Step3: the side short side that grafting cable 4 is not connected on Double-layer flame-retardant polypropylene film passes through Ultrasonic Plastic Welding
Machine carries out welding edge sealing；
Step4: winding the special clay 5 of one piece of 2.5cm outside grafting cable, then with upper and lower level flame-retardant polypropylene film at the beginning of
Step bonding, the upper and lower level of ultrasonic plastic welder use particular manufacturing craft, there is a groove 6 on mold, and the alignment of groove 6 twines
Around the position of the cable of clay, edge sealing is then welded, graphene Electric radiant Heating Film flame-retardant polypropylene film hermetic bag is made.
Embodiment three
A kind of graphene Electric radiant Heating Film flame-retardant polypropylene film hermetic bag, the ingredient of the flame-retardant polypropylene film are as follows: 65
Part copolymer polypropylene, 12 parts of high density polyethylene (HDPE)s, 15 parts of fire retardants, 1 part of barium metaborate, 2 parts of manganese dioxide, 3 part of three oxidation two
Chromium, 15 parts of polyquaterniums -7,8 parts of ceramic fibres, 0.12 part of bis- (2- ethylhexyl) phosphite esters, 0.18 part of 2,6- dimethoxy
Hydroquinone, 0.16 part of 2,4- dimethoxy -1,3,5- triazine, 0.14 part of 3- acetyl Benzophenone.
The fire retardant the preparation method is as follows:
(1) it prepares Silicone-containing Flame Retardant: weighing suitable 3- (1- naphthoxy) -1,2- propylene oxide, it is molten with dimethyl sulfoxide
Flask is poured into after solution, triphenylphosphine makees catalyst, then slowly adds the dimethyl sulphoxide solution of three (t-butoxy) silanols
Enter flask, 150 DEG C of reaction temperature, be stirred to react 5-8h, after reaction, filters, vacuum distillation, freeze-drying, obtain novel
Silicone-containing Flame Retardant；
(2) for the fire retardant by Silicone-containing Flame Retardant, N, N- diethyl phosphoramidite di tert butyl carbonate is mixed by weight 1.3:1.0
It closes.
A kind of preparation method of flame-retardant polypropylene film, comprising the following steps:
Step1: each component raw material being put in proportion into high-speed mixer and mixes 30min, and 85 DEG C of mixing temperature；
Step2: being added double screw extruder melting extrusion for above-mentioned uniformly mixed material, through casting roller tape casting,
Biaxial tension is finally carried out, flame-retardant polypropylene film is obtained.
Each area's temperature is respectively T from feed opening to exporting to head inside double screw extruder1=175 DEG C, T2=190 DEG C,
T3=190 DEG C, T4=200 DEG C, T5=205 DEG C, T6=215 DEG C.
A kind of preparation method of graphene Electric radiant Heating Film flame-retardant polypropylene film hermetic bag, comprising the following steps:
Step1: flame-retardant polypropylene film 1 and about 3 flame-retardant polypropylene film overlap, and the two sides long side after overlapping is led to
It crosses ultrasonic plastic welder and carries out welding edge sealing；
Step2: the short side of the flame-retardant polypropylene film good to above-mentioned welding edge sealing is cut, and obtains the double of required length
Layer flame-retardant polypropylene film, graphene Electric radiant Heating Film 2 is filled in Double-layer flame-retardant polypropylene film, is connected in graphene Electric radiant Heating Film
Grafting cable 4 stretch out flame-retardant polypropylene film outside；
Step3: the side short side that grafting cable 4 is not connected on Double-layer flame-retardant polypropylene film passes through Ultrasonic Plastic Welding
Machine carries out welding edge sealing；
Step4: winding the special clay 5 of one piece of 3cm outside grafting cable, then preliminary with upper and lower level flame-retardant polypropylene film
Bonding, the upper and lower level of ultrasonic plastic welder use particular manufacturing craft, there is a groove 6, the alignment of groove 6 winding on mold
The position of the cable of clay, then welds edge sealing, and graphene Electric radiant Heating Film flame-retardant polypropylene film hermetic bag is made.
It is strong to the tensile strength of the flame-retardant polypropylene film of the preparation of embodiment one to three, bending strength, bending modulus, impact
Degree, flame retardant rating are tested, and testing standard is as follows:
Tensile strength: according to GB/T 1040-2006 standard, unit MPa；
Bending strength: according to GB/T 9341-2008 standard, unit MPa；
Bending modulus: according to GB/T 9341-2008 standard, unit MPa；
Impact strength: according to GB/T 1043.1-2008 standard, unit kJ/m2；
Flame retardant rating: vertical burn test is carried out according to GB/T 2408-2008 standard；
Smoke density: it is tested according to GB/T8323-2008 standard；
Brittle temperature: it is tested according to GB/T5470-2008 standard.
Using the polychloroethylene film outside a big envelope Electric radiant Heating Film common on the market as control, test result is as shown in table 1.
The performance test results of 1 flame-retardant polypropylene film of table
As it can be seen from table 1 the good flame retardation effect of flame-retardant polypropylene film prepared by the present invention, reaches V-0 grades, and cigarette is close
It spends small.Impact strength, tensile strength, the bending strength of flame-retardant polypropylene film are also far superior to polychloroethylene film.
The foregoing descriptions are merely the embodiment using this origination techniques content, any those skilled in the art use this wound
Make done modifications and changes, all belong to the scope of the patents of this creation opinion, and is not limited to those disclosed embodiments.
Claims (7)
1. a kind of graphene Electric radiant Heating Film flame-retardant polypropylene film hermetic bag, including the successively polypropylene flame redardant of lamination from top to bottom
Film (1), graphene Electric radiant Heating Film (2) and flame-retardant polypropylene film (3), the side short side connection of the graphene Electric radiant Heating Film (2)
Grafting cable (4), for powering on, which is characterized in that the flame-retardant polypropylene film includes each group of following parts by weight
Point:
2. a kind of graphene Electric radiant Heating Film flame-retardant polypropylene film hermetic bag according to claim 1, which is characterized in that institute
State fire retardant the preparation method is as follows:
(1) it prepares Silicone-containing Flame Retardant: suitable 3- (1- naphthoxy) -1,2- propylene oxide is weighed, after dmso solution
Flask is poured into, triphenylphosphine makees catalyst, and the dimethyl sulphoxide solution of three (t-butoxy) silanols is then slowly added into burning
Bottle, is stirred to react 5-8h by 150 DEG C of reaction temperature, after reaction, filters, vacuum distillation, freeze-drying, obtains siliceous fire-retardant
Agent；
(2) fire retardant is by the Silicone-containing Flame Retardant, N, and N- diethyl phosphoramidite di tert butyl carbonate is by weight 1.2-1.5:
0.8-1.2 is mixed.
3. a kind of graphene Electric radiant Heating Film flame-retardant polypropylene film hermetic bag according to claim 1, which is characterized in that institute
It states fire retarding synergist and is mixed by barium metaborate, manganese dioxide, chrome green by weight 0.5-0.8:0.8-1.2:1.5-2.0
It forms.
4. a kind of graphene Electric radiant Heating Film flame-retardant polypropylene film hermetic bag according to claim 1, which is characterized in that institute
Antioxidant is stated by bis- (2- ethylhexyl) phosphite esters, 2,6- 2-methoxyhydroquinone by weight 0.7-0.9:1.2-
1.5 mixing.
5. a kind of graphene Electric radiant Heating Film flame-retardant polypropylene film hermetic bag according to claim 1, which is characterized in that institute
It states ultraviolet absorbing agent and is mixed by 2,4- dimethoxy -1,3,5- triazine, 3- acetyl Benzophenone by weight 1.1-1.3:0.9-1.1
It closes.
6. the preparation method of flame-retardant polypropylene film according to any one of claims 1 to 5, which is characterized in that
The following steps are included:
Step1: each component raw material being put in proportion into high-speed mixer and mixes 25-35min, and 80-90 DEG C of mixing temperature；
Step2: double screw extruder melting extrusion is added in above-mentioned uniformly mixed material, through casting roller tape casting, finally
Biaxial tension is carried out, flame-retardant polypropylene film is obtained；
Each area's temperature is respectively T from feed opening to exporting to head inside the double screw extruder1=170-180 DEG C, T2=
185-195℃、T3=185-195 DEG C, T4=195-205 DEG C, T5=200-210 DEG C,
T6=210-220 DEG C.
7. preparation method of the graphene Electric radiant Heating Film according to claim 1 with flame-retardant polypropylene film hermetic bag, feature
It is, comprising the following steps:
Step1: flame-retardant polypropylene film (1) and flame-retardant polypropylene film (3) overlap up and down, and the two sides long side after overlapping is led to
It crosses ultrasonic plastic welder and carries out welding edge sealing；
Step2: the short side of the flame-retardant polypropylene film good to above-mentioned welding edge sealing is cut, and obtains the double-deck resistance of required length
Polypropylene film is fired, graphene Electric radiant Heating Film (2) is filled in Double-layer flame-retardant polypropylene film, is connected in graphene Electric radiant Heating Film
Grafting cable (4) stretches out outside flame-retardant polypropylene film；
Step3: the side short side that grafting cable (4) are not connected on Double-layer flame-retardant polypropylene film passes through ultrasonic plastic welder
Carry out welding edge sealing；
Step4: winding the special clay (5) of one piece of 2-3cm outside grafting cable, then preliminary with upper and lower level flame-retardant polypropylene film
Bonding, the upper and lower level of ultrasonic plastic welder use particular manufacturing craft, there is a groove (6), groove (6) alignment on mold
The position for winding the cable of clay, then welds edge sealing, and graphene Electric radiant Heating Film flame-retardant polypropylene film hermetic bag is made.
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| CN110312332A (en) * | 2019-05-23 | 2019-10-08 | 南京财经大学 | A kind of energy storage water proof type graphene far-infrared electrothermal module |
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