CN107033586A - It is a kind of can laser labelling halogen-free flame-retarded heat-conducting composite and its preparation method and application - Google Patents
It is a kind of can laser labelling halogen-free flame-retarded heat-conducting composite and its preparation method and application Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
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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
- 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
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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
- C08K3/2279—Oxides; Hydroxides of metals of antimony
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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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
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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
- C08K3/34—Silicon-containing compounds
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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
- C08K7/14—Glass
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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
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
Abstract
The invention discloses it is a kind of can laser labelling halogen-free flame-retarded heat-conducting composite and its preparation method and application, the material is made up of the component of following parts by weight：45~100 parts of base resin, 75~125 parts of heat conductive flame-retarding agent, 10~20 parts of laser marking agent, 5~25 parts of glass fibre, 0.2~1.5 part of lubricant, 0.75~1.5 part of antioxidant, 0.25~0.75 part of coupling agent；Heat conductive flame-retarding agent is magnesium hydroxide；Laser marking agent is at least three kinds in barium sulfate, titanium dioxide, calcium silicates, antimony oxide, talcum powder.Composite obtained by the present invention has excellent fire-retardant, heat conductivility, and mechanical property is preferably, and just dark signs can be realized on light composite material surface using the mark of infrared laser marking machine.Preparation method of the present invention, is that can be achieved using existing equipment double screw extruder, and simple in production process operation is convenient, is conducive to industrialization to mass produce.
Description
Technical field
The present invention relates to field of functional polymer composites, and in particular to it is a kind of can laser labelling halogen-free flame-retarded heat-conducting
Composite and its preparation method and application.
Background technology
Laser labelling be the laser beam using high-energy-density to interacting goals, target surface is occurred physically or chemically
Change, so as to obtain the mark mode of visible pattern.Because the relatively conventional labeling method of laser labelling is with quick, efficient etc. excellent
Gesture, in plastic industry extensive application.But research shows：Different plastics are different to laser energy absorption rate so that laser exists
Not isolabeling effect is presented on resin base material, nylon, halogen free flame-retarded nylon 6 are such as strengthened especially for the nylon plastic(s) of some modifications
Dragon etc., can not generate clearly trace, or even the phenomenons such as mark jaundice, foaming projection occur, it is impossible to full using optical fiber laser
Sufficient commercial Application requirement.
Existing patented technology emphatically to by attach laser powder or laser auxiliary agent mode realized in polyamide substrate it is shallow
Color or dark signs are reported.As publication number CN102492291A (Application No. 201110395824.X) reports a kind of gather
Acid amides laser mark auxiliary agent for plastic, preparation method and applications, Maranyl laser mark auxiliary agent, comprising below by weight
Measure the raw material of percentage：Hydroxide 55%-75%；Tin oxide 10%-35%；Talcum powder 0.5%-8%；Metallic antimony 0.5%-
4%；Halogen-free flame retardants 0.5%-8%；Lubricant 0.5%-4%.The invention uses the synergy between laser auxiliary agent, can be
Dark signs are realized on light colour base material.The fire resistance of material is also mentioned in text simultaneously, but system is that laser is prepared in analysis
Auxiliary agent can realize that analysis is not directed to the performances such as heat conduction, the enhancing of correlation in laser labelling, text.Publication number CN105331097A
(Application No. 201510732755.5) reports a kind of high intensity polyamide compound for being capable of laser marking and its preparation side
Method, is capable of the high intensity polyamide compound of laser marking, is made up of by weight following component：PA6 or PA66 resins：10
~60 parts；Copolymerization PA：10~60 parts；Compatilizer：0~2 part；Fire retardant：0~20 part；Laser marking agent：0.1~2 part；Processing
Auxiliary agent：0.1~5 part；Glass fibre：20~60 parts.Described laser marking agent is low gloss black acetate multipolymer.The invention
Using glass fiber reinforcement, halogen-free flameproof, and by adding low gloss black acetate multipolymer laser marking agent, being made can laser
The high strength composite of mark, excellent performance.Though but the laser marking agent have preferable uvioresistant ability, long-term light,
The phenomenon such as colour fading occurs, comes off in trace after heat ageing.
In addition, prior art for some can laser labelling functional performance nylon plastic(s), particularly halogen-free flameproof leads
Hot nylon composite materials report is less.
The content of the invention
The invention aims to solve the technical problem that above-mentioned existing heat-conductive composite material is present, and one kind is provided can
Halogen-free flame-retarded heat-conducting composite of laser labelling and its preparation method and application, the composite of gained has excellent resistance
Combustion, heat conductivility, and mechanical property preferably, can realize dark signs, production technology operation on light composite material surface
It is simple and convenient.
Technical scheme is as follows：
It is a kind of can laser labelling halogen-free flame-retarded heat-conducting composite, be made up of the component of following parts by weight：
Described heat conductive flame-retarding agent is magnesium hydroxide；
Described laser marking agent is at least three kinds in barium sulfate, titanium dioxide, calcium silicates, antimony oxide, talcum powder
The mixture of composition.
In the present invention, using at least three kinds compositions in barium sulfate, titanium dioxide, calcium silicates, antimony oxide, talcum powder
Mixture can produce synergy so that composite has excellent as laser marking agent with heat conductive flame-retarding agent magnesium hydroxide
Different fire-retardant, heat conductivility, and add the other components such as glass fibre, coupling agent so that composite embodies excellent
Mechanical property.
Described base resin is polyamide 6 (PA6), can using low viscous PA6, in glue PA6, high viscous PA6 one kind or two
(including two kinds) mixture more than kind.
Heat conductive flame-retarding agent uses magnesium hydroxide, can specifically use different size particle diameter, the magnesium hydroxide of crystal formation compounding.
Described laser marking agent is antimony oxide, the mixture of three kinds of compositions of calcium silicates and titanium dioxide, its mass ratio
For 3：2：1, the laser marking agent and magnesium hydroxide heat conductive flame-retarding agent etc. are combined, and can greatly improve thermal conductivity factor, and
And laser labelling is clear, good mechanical performance possesses unexpected technique effect.
Described glass fibre is continuous long glass fiber.
Described lubricant be one or both of silicone powder, ethylene bis stearamide, Tissuemat E, calcium stearate with
The mixture of upper (including two kinds).
Described antioxidant is more than one or both of Hinered phenols, hindered amines, phosphorous acid esters, thio esters
The mixture of (including two kinds).
Described coupling agent is one kind in silane coupler, titanate coupling agent, aluminate coupling agent.
Further preferably, it is described can laser labelling halogen-free flame-retarded heat-conducting composite, by the component of following parts by weight
Constitute：
Described heat conductive flame-retarding agent is magnesium hydroxide；
Described laser marking agent is at least three kinds in barium sulfate, titanium dioxide, calcium silicates, antimony oxide, talcum powder
The mixture of composition.
Still more preferably, it is described can laser labelling halogen-free flame-retarded heat-conducting composite, by the group of following parts by weight
Divide and constitute：
Described base resin is polyamide 6；
Described heat conductive flame-retarding agent is magnesium hydroxide；
Described laser marking agent is at least three kinds in barium sulfate, titanium dioxide, calcium silicates, antimony oxide, talcum powder
The mixture of composition.
Most preferably, it is described can laser labelling halogen-free flame-retarded heat-conducting composite, be made up of the component of following parts by weight：
Described base resin is polyamide 6；
Described heat conductive flame-retarding agent is magnesium hydroxide；
Described laser marking agent is antimony oxide, the mixture of three kinds of compositions of calcium silicates and titanium dioxide, its mass ratio
For 3：2：1；
Described glass fibre is continuous long glass fiber；
Described lubricant is calcium stearate；
Described antioxidant is by mass ratio 1:The mixture of 1 irgasfos 168 and antioxidant 1098 composition.
Described coupling agent is Silane coupling agent KH550.
It is described can laser labelling halogen-free flame-retarded heat-conducting composite preparation method, including：
Base resin and coupling agent are premixed, then addition antioxidant, lubricant, heat conductive flame-retarding agent, laser are beaten successively
Agent is marked, mixed material is obtained；Mixed material is added in the main feed system of double screw extruder, glass fibre is from exhaust outlet
Add, water cooling bracing cuts drawing, obtain can laser labelling halogen-free flame-retarded heat-conducting composite.
The present invention can laser labelling halogen-free flame-retarded heat-conducting composite, using infrared laser marking machine, green laser marking
Machine and Ultra-Violet Laser marking machine have preferable mark effect, especially with infrared laser marking machine mark, infrared laser
Wavelength is 760nm~1mm, and cost is relatively low, is adapted to industrialized production.
Compared with prior art, the invention has the advantages that：
In the present invention, using at least three kinds compositions in barium sulfate, titanium dioxide, calcium silicates, antimony oxide, talcum powder
Mixture can produce synergy so that composite has excellent as laser marking agent with heat conductive flame-retarding agent magnesium hydroxide
Different fire-retardant, heat conductivility, and add the other components such as glass fibre, coupling agent so that composite embodies excellent
Mechanical property.Composite obtained by the present invention has excellent fire-retardant, heat conductivility, and mechanical property is preferably, using infrared
Laser marking machine mark just can realize dark signs on light composite material surface.
The present invention can laser labelling halogen-free flame-retarded heat-conducting composite preparation method, using existing equipment twin-screw squeeze
Go out machine to can be achieved, simple in production process operation is convenient, be conducive to industrialization to mass produce.
The present invention can laser labelling halogen-free flame-retarded heat-conducting composite, using infrared laser marking machine, green laser marking
Machine and Ultra-Violet Laser marking machine have preferable mark effect, and commercially available material is typically necessary using Ultra-Violet Laser marking machine, into
This height, when using infrared laser marking machine when, commercially available material mark obscure, and the present invention can laser labelling halogen-free flame-retarded heat-conducting
Composite, mark effect is good, still has clearly mark effect using the mark of infrared laser marking machine, cost is relatively low, is adapted to work
Industry metaplasia is produced.
Brief description of the drawings
Fig. 1 is the laser labelling effect photo of halogen-free flame-retarded heat-conducting composite prepared by embodiment 1；
Fig. 2 is the laser labelling effect photo of halogen-free flame-retarded heat-conducting composite prepared by embodiment 2；
Fig. 3 is the laser labelling effect photo of halogen-free flame-retarded heat-conducting composite prepared by embodiment 3.
Embodiment
Technical scheme is described further below in conjunction with specific embodiment.
PA6 uses Ube model 1013B product；
The product for the model GY950 that magnesium hydroxide is produced using Guang Yuan Ultramicro-powders Co., Ltd of Jiangyin City；
Continuous long glass fiber uses megalith 988A glass fiber yarns.
Embodiment 1
Described halogen-free flame-retarded heat-conducting composite, is made up of the raw material below in terms of mass fraction：75 parts of PA6,95 parts
Heat conductive flame-retarding agent, 12 parts of continuous long glass fibers, 12 parts of laser marking agent, 1.2 parts of antioxidant, 0.4 part of lubricant, 0.4 part of silicon
Alkane coupling agent；
Wherein, laser marking agent is antimony oxide, barium sulfate, the mixture of titanium dioxide, and its mass ratio is 3：2：1；It is anti-
Oxygen agent is 168 and 1098, and its mass ratio is 1：1；Lubricant is ethylene bis stearic acid amide (EBS), and silane coupler uses KH-
550。
The preparation method of the halogen-free flame-retarded heat-conducting composite：PA6 and silane coupler are added to stir in pot and carried out in advance
It is mixed, then addition antioxidant, lubricant, heat conductive flame-retarding agent, laser marking agent can obtain blend composition successively；Blend composition is added to double
In the main feed system of screw extruder, glass fibre is added from exhaust outlet, and water cooling bracing cuts drawing, you can obtains halogen-free flameproof and leads
Hot composite.
Embodiment 2
Described halogen-free flame-retarded heat-conducting composite, is made up of the raw material below in terms of mass fraction：70 parts of PA6,100 parts
Heat conductive flame-retarding agent, 14 parts of continuous long glass fibers, 14 parts of laser marking agent, 1.2 parts of antioxidant, 0.4 part of lubricant, 0.4 part of silicon
Alkane coupling agent；
Wherein, laser marking agent is the mixture of antimony oxide, calcium silicates and titanium dioxide, and its mass ratio is 3：2：1；It is anti-
Oxygen agent is 168 and 1098, and its mass ratio is 1：1；Lubricant is calcium stearate, and silane coupler uses KH-550.
The preparation method of the halogen-free flame-retarded heat-conducting composite：PA6 and silane coupler are added to stir in pot and carried out in advance
It is mixed, then addition antioxidant, lubricant, heat conductive flame-retarding agent, laser marking agent can obtain blend composition successively；Blend composition is added to double
In the main feed system of screw extruder, glass fibre is added from exhaust outlet, and water cooling bracing cuts drawing, you can obtains halogen-free flameproof and leads
Hot composite.
Embodiment 3
Described halogen-free flame-retarded heat-conducting composite, is made up of the raw material below in terms of mass fraction：60 parts of PA6,105 parts
Heat conductive flame-retarding agent, 14 parts of continuous long glass fibers, 18 parts of laser marking agent, 1.2 parts of antioxidant, 1.4 parts of lubricants, 0.4 part of silicon
Alkane coupling agent；
Wherein, laser marking agent is the mixture of barium sulfate, titanium dioxide and talcum powder, and its mass ratio is 3：2：1；Antioxidant
For 412s and 1098, its mass ratio is 1：1；Lubricant is silicone powder and EBS mixture, and its mass ratio is 1：1；It is silane coupled
Agent uses KH-550.
The preparation method of the halogen-free flame-retarded heat-conducting composite：PA6 and silane coupler are added to stir in pot and carried out in advance
It is mixed, then addition antioxidant, lubricant, heat conductive flame-retarding agent, laser marking agent can obtain blend composition successively；Blend composition is added to double
In the main feed system of screw extruder, glass fibre is added from exhaust outlet, and water cooling bracing cuts drawing, you can obtains halogen-free flameproof and leads
Hot composite.
Comparative example 1
Using the laser marking agent in heat conductive flame-retarding agent alternate embodiment 2, that is, laser marking agent is added without, adds 114 parts
Heat conductive flame-retarding agent, remaining be the same as Example 2.
The various embodiments described above prepare it is a kind of can laser labelling halogen-free flame-retarded heat-conducting composite and preparation method thereof
Laser labelling, using IPG laser marking machines (using infrared laser mark, the wavelength of infrared laser is 760nm~1mm)；
Thermal conductivity factor utilizes transient hot wire technique, using the TC3000E type thermal conductivity coefficient measurement instruments of Xi'an Xiatech Electronic Technology Co., Ltd.
Measurement；Fire resistance is measured with reference to UL94 standards using horizontal/vertical combustion test instrument；Breach and non-notch impact strength ginseng
According to GB/T1043.1-2008 standards, measured using impact tester for simple supported beam.Properties test result such as table 1.
Table 1
| Detection project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example |
| Thermal conductivity factor (W/m.k) | 0.85 | 1.36 | 1.13 | 0.83 |
| Anti-flammability UL94 (3.2mm) | V-0 | V-0 | V-0 | It is not fire-retardant |
| Notch impact strength (KJ/m2) | 5.3 | 4.9 | 4.1 | 4.8 |
| Non- notch impact strength (KJ/m2) | 30 | 28 | 23 | 23 |
| Laser labelling effect | Clearly | Clearly | It is more visible | It is fuzzy |
As can be known from the above table, the present invention cooperates with effect with heat conductive flame-retarding magnesium hydroxide using the laser marking agent prepared with reference to generation
Should so that composite has excellent fire-retardant, heat conductivility, and adds the other components such as glass fibre, coupling agent so that
Composite embodies excellent mechanical property.Composite obtained by the present invention has excellent fire-retardant, heat conductivility, and power
Better performances are learned, dark signs just can be realized on light composite material surface using the mark of infrared laser marking machine.This hair
Bright product can be applied to LED field of radiating, Low Voltage Electrical Apparatus.
Fig. 1, Fig. 2, Fig. 3 are the laser labelling effect photo of infrared laser mark, and Fig. 1 is Halogen prepared by embodiment 1
The laser labelling effect photo of flame-retarded heat-conducting composite；Fig. 2 is swashing for halogen-free flame-retarded heat-conducting composite prepared by embodiment 2
Signal effect photo；Fig. 3 is the laser labelling effect photo of halogen-free flame-retarded heat-conducting composite prepared by embodiment 3.Fig. 2's
Mark effect preferably, next to that Fig. 1, then be Fig. 3.
It should be appreciated that the description of the above is only the specific example of the present invention, for those having ordinary skill in the art,
It can according to the above description be improved or be converted, all these modifications and variations should all belong to appended claims of the present invention
Protection domain.
Claims (10)
1. it is a kind of can laser labelling halogen-free flame-retarded heat-conducting composite, it is characterised in that be made up of the component of following parts by weight：
Described heat conductive flame-retarding agent is magnesium hydroxide；
Described laser marking agent is at least three kinds compositions in barium sulfate, titanium dioxide, calcium silicates, antimony oxide, talcum powder
Mixture.
2. it is according to claim 1 can laser labelling halogen-free flame-retarded heat-conducting composite, it is characterised in that by following heavy
The component for measuring part is constituted：
Described heat conductive flame-retarding agent is magnesium hydroxide；
Described laser marking agent is at least three kinds compositions in barium sulfate, titanium dioxide, calcium silicates, antimony oxide, talcum powder
Mixture.
3. it is according to claim 1 can laser labelling halogen-free flame-retarded heat-conducting composite, it is characterised in that described can
The halogen-free flame-retarded heat-conducting composite of laser labelling, is made up of the component of following parts by weight：
Described heat conductive flame-retarding agent is magnesium hydroxide；
Described laser marking agent is at least three kinds compositions in barium sulfate, titanium dioxide, calcium silicates, antimony oxide, talcum powder
Mixture.
4. it is according to claim 1 can laser labelling halogen-free flame-retarded heat-conducting composite, it is characterised in that described base
Plinth resin is polyamide 6.
5. it is according to claim 1 can laser labelling halogen-free flame-retarded heat-conducting composite, it is characterised in that it is described to swash
Light mark agent is antimony oxide, the mixture of three kinds of compositions of calcium silicates and titanium dioxide, and its mass ratio is 3：2：1.
6. it is according to claim 1 can laser labelling halogen-free flame-retarded heat-conducting composite, it is characterised in that described glass
Glass fiber is continuous long glass fiber.
7. it is according to claim 1 can laser labelling halogen-free flame-retarded heat-conducting composite, it is characterised in that described profit
Lubrication prescription is mixture more than one or both of silicone powder, ethylene bis stearamide, Tissuemat E, calcium stearate.
8. it is according to claim 1 can laser labelling halogen-free flame-retarded heat-conducting composite, it is characterised in that described idol
Connection agent is one kind in silane coupler, titanate coupling agent, aluminate coupling agent.
9. according to any one of claim 1~8 can laser labelling halogen-free flame-retarded heat-conducting composite preparation method,
It is characterised in that it includes：
Base resin and coupling agent are premixed, then addition antioxidant, lubricant, heat conductive flame-retarding agent, laser marking agent successively,
Obtain mixed material；Mixed material is added in the main feed system of double screw extruder, glass fibre is added from exhaust outlet,
Water cooling bracing cuts drawing, obtain can laser labelling halogen-free flame-retarded heat-conducting composite.
10. according to any one of claim 1~8 can laser labelling halogen-free flame-retarded heat-conducting composite in infrared laser
Application in marking machine mark.
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| CN107955368A (en) * | 2017-12-06 | 2018-04-24 | 厦门源亚泰塑胶科技有限公司 | A kind of heat conduction nylon for improving heat resistance and preparation method thereof |
| CN108164793A (en) * | 2018-01-08 | 2018-06-15 | 临朐隆青包装制品厂 | A kind of laser anti-counterfeit stamp composite material and preparation method |
| CN110229507A (en) * | 2019-06-28 | 2019-09-13 | 江苏晋伦塑料科技有限公司 | One kind can laser labelling halogen-free flame-retardant polyamide composition and preparation method thereof |
| CN110655792A (en) * | 2019-10-29 | 2020-01-07 | 中广核高新核材科技（苏州）有限公司 | Low-dielectric-laser direct-forming composite material suitable for 5G communication and preparation method thereof |
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| CN110655792B (en) * | 2019-10-29 | 2022-06-14 | 中广核高新核材科技（苏州）有限公司 | Low-dielectric-laser direct-forming composite material suitable for 5G communication and preparation method thereof |
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Effective date of registration: 20201021 Address after: No.2026 Jietou Road, Maxiang Town, Xiang'an District, Xiamen City, Fujian Province Patentee after: CGN RUISHENGFA (XIAMEN) NEW MATERIAL Co.,Ltd. Address before: 325011 No. 60, No. 1, hi tech Zone, hi tech park, Wenzhou economic and Technological Development Zone, Zhejiang Patentee before: CGN JUNER NEW MATERIALS Co.,Ltd. Patentee before: CGN JUNER (SHANGHAI) NEW MATERIALS Co.,Ltd. |