CN107083056A - Light or colourless polyamide compoiste material for laser welding - Google Patents
Light or colourless polyamide compoiste material for laser welding Download PDFInfo
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- CN107083056A CN107083056A CN201710348224.5A CN201710348224A CN107083056A CN 107083056 A CN107083056 A CN 107083056A CN 201710348224 A CN201710348224 A CN 201710348224A CN 107083056 A CN107083056 A CN 107083056A
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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
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
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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
-
- 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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/328—Phosphates of heavy 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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of light or colourless polyamide compoiste material for laser welding, it, which absorbs laser part, includes polyamide, phosphate compound, copper halide metallic compound, metal halide salt compound and glass fibre, and its transmission laser part includes polyamide, copper halide metallic compound, metal halide salt compound and glass fibre；Halogen ion in copper halide metallic compound is chlorion, bromide ion or iodide ion, and copper ion is Cu+Or Cu2+, the metallic element in metal halide salt compound is alkali or alkali earth metal, and a diameter of 5 20 μm of glass fibre, the equal length of number are 0.05 30mm；Composite of the present invention is compared with the bulk material intensity of welding faying face, the intensity of bulk material is even surmounted with higher strength retention, its property retention rate, more than 95% even can be reached, performance is substantially better than the performance of the welding material containing common short glass fiber.
Description
Technical field
The present invention relates to a kind of composite of laser welding, more particularly to a kind of light color or nothing for laser welding
Color polyamide compoiste material, belongs to modified high polymer composite material technical field.
Background technology
The concept of laser welding is started from the 1970s, its diode usually using wavelength between 700-1200nm
Laser or neodymium-doped yttrium-aluminum garnet synthetic crystal (Nd:YAG) laser produces substantial amounts of heat in welding position, and then contacts element
Zone-melting and form welding position.
Compared with conventional plastic welding procedure, laser welding can be applied in flexible and changeable various structures, and it is welded
Intensity is high, and the quick heating rate of temperature fall having can reduce the heat affecting to material, and butt-welding fitting does not produce external force effect
So that the stress of weldment and deformation are all very small；In addition the welding procedure of laser welding is stable, the surface of weld seam and inherent matter
Amount is all very good, its energy welding in vacuum, air or other gaseous environments, not high to the medium requirements of welding, and can
Welded through glass or other materials to beam transparent.Due to laser welding have the advantages that it is above-mentioned unique, its into
Work(is applied in the precision welding of micro part.
But there is certain particularity using laser welding in plastic applications, because polymer is corresponding in laser
It is transparent mostly in wave-length coverage, it is therefore desirable to extra laser absorbent is added in polymeric system or laser diffusion is inhaled
The compositions such as agent are received to obtain corresponding absorbent properties.Usually using carbon black as laser welding can be carried out in currently available technology
Plastics absorption laser part in the laser absorbent that uses, but carbon black not only has stronger absorption near infrared region, and
And also have stronger absorption in the range of visible wavelength and infrared light wavelength, therefore carbon black can not be applied light or transparent
In plastic product.
Nylon is due to excellent mechanical performance in a balanced way, heat resistance, lubricity, endurance creep and organic solvent resistance
Can and be widely used in various fields, especially with nylon material in automobile, electronics, electrical equipment, household electrical appliances, industrial equipment
Extensive popularization and application and technological innovation, and in the case where replacing the development trend of conventional bonding technique using laser welding, be available for
The nylon material of laser welding, which turns into, enjoys one of material of favor.But as it was previously stated, wavelength of the nylon material in laser welding
Under be also transparent, although can obtain respective absorption performance by adding additive, but due to being usually used in nylon at present
The laser absorbent of material is typically carbon black, although it shows very high absorption in visible region and IR regions,
But it is impossible to be applied in light and transparent system.
In the prior art, allow generally for light color come the additive for Laser marking that colours have antimony, antimony oxide,
Conducting pigment, TiO2Deng they are added in the preparaton for absorbing laser part and make it have the property for being capable of laser welding
Energy.Although individually adding the additive of above-mentioned Laser marking in laser part is absorbed, making material that there is solderability to be can be with
, but can not be received by needing longer process time by industry in actual processing；In addition these additive butt welding
The degree of absorption with optical maser wavelength is connect far below degree of absorption of the carbon black to optical maser wavelength.Except above-mentioned to finished appearance and weldering
Connect outside the requirement of processing step, weld strength is also plastics macromolecule welding technique index of interest.Height generally after welding
Performance of the performance of molecule compared to resin in itself can decay, and especially with the addition of filler (such as glass of certain draw ratio
Fibre, wollastonite etc.) after, the weld strength of welding material, which compares the performance of unwelded material in itself, obvious decay, mainly
It is present in terms of the stress concentration of weld strength, defect and performance degradation fluctuation, these greatly reduce final welding product
Service life.Therefore, how laser weld strength is improved, being close to bulk strength has at a relatively high difficulty and pass through
Current existing technology can not obtain the inspiration of correlation.
The content of the invention
In order to solve the above technical problems, compound the invention provides a kind of light or colourless polyamide for laser welding
Material, it has the laser weld strength being remarkably reinforced, and can be applied in light or colourless system.
The technical scheme is that：
The invention provides a kind of light or colourless polyamide compoiste material for laser welding, including absorb laser portion
Divide and transmission laser part.
The absorption laser part includes following each components by weight：
0-100 parts of kymene, the polyamide is the condensation of one or more dicarboxylic acids and one or more diamines
Product, or the condensation product that polyamide is one or more amino carboxylic acids, or polyamide is opening for one or more cyclic lactams
Cyclopolymerization product, preferably polycaprolactam and polyhexamethylene adipamide, the above-mentioned conventional products that can select on the market.
0.5-10 parts of phosphate compound, preferably 0.5-8.0 parts, more preferably 0.5-6.0 parts, more preferably
0.5-4.0 parts.The phosphate compound is phosphate, hypophosphites, hydrophosphate, pyrophosphate, metaphosphate, poly- inclined
One kind in phosphate, tripolyphosphate and phosphonium hydroxide hydrochlorate.Specially calcium phosphate, calcium hypophosphite, calcium monohydrogen phosphate, di(2-ethylhexyl)phosphate
Hydrogen calcium, calcium pyrophosphate, sodium phosphate, potassium phosphate, dipotassium hydrogen phosphate, potassium dihydrogen phosphate, potassium pyrophosphate, potassium metapbosphate, trimerization phosphorus
Sour potassium, diammonium hydrogen phosphate, disodium hydrogen phosphate, sodium dihydrogen phosphate, sodium metaphosphate, sodium tripolyphosphate, triammonium phosphate, biphosphate
In ammonium, ferric phosphate, ferric pyrophosphate, magnesium monohydrogen phosphate, magnesium phosphate, manganese hypophosphite, ferric sodium pyrophosphate, hydroxide cupric phosphate and cupric phosphate
At least one, preferably at least one of hydroxide cupric phosphate and cupric phosphate.
Halogen ion in 0.05-2.0 parts of copper halide metallic compound, the copper halide metallic compound is chlorion, bromine from
At least one of son and iodide ion, and the copper ion is Cu+And Cu2+At least one of.
Metallic element in 0.1-10 parts of metal halide salt compound, the metal halide salt compound for alkali metal and
At least one of alkali earth metal.The addition of metal halide salt compound is conducive to improving the crystallization of polyamide compoiste material
Structure, is more beneficial for improving the intensity of laser welding, especially more obvious when it acts on transmission laser part.
5-60 parts of glass fibre, a diameter of 5-20 μm of the glass fibre, more preferably preferably 5-14 μm, 7-14 μm；
And number equal length of the glass fibre in the light or colourless polyamide compoiste material for laser welding is 0.05-30mm,
Preferably 0.05-15mm, more preferably 2-15mm.Part of the equal length of number more than 2.0mm comes from length in above-mentioned glass fibre
The equal length of number increases for the part less than 2.0mm from chopped glass fiber in fiber glass reinforced polyamide masterbatch resin, the glass fibre
Strong polyamide master batch or long glass fiber reinforced polyamide master batch, the length of the long glass fiber reinforced polyamide master batch
For 2.0-30.0mm, preferably 3-20mm.The described light or colourless polyamide compoiste material for laser welding is except tool
There is the feature of described glass fibre length, it is eventually through modelings known in the art such as current injection, extrusion, molding, foaming
Number after material processing and forming in molding part retains length for 0.05~30mm, and preferably 2~15mm number retains length.
The composition and consumption of the transmission laser part are identical with consumption with the composition for absorbing laser part, but do not include institute
State phosphate compound.
In addition, above-mentioned absorption laser part and transmission laser part respectively further comprise to realize other feature purposes and
Addition other auxiliary agents, including but not limited to impact modifiers, plasticizer, UV light stabilizing agent, heat stabilizer, antioxidant,
At least one of antistatic additive, nucleator, flow enhancing agent, lubricant and colouring agent.
The method have the benefit that：Light or colourless polyamide of the present invention for laser welding is combined
Material has even surmounted bulk material compared with the bulk material intensity of welding faying face with higher strength retention
Intensity, its property retention rate is up to more than 65% substantially, can reach more than 85% mostly, or even can reach more than 95%,
And its performance is substantially better than the performance of the welding material containing common short glass fiber.
Embodiment
In order to better understand the technological means of the present invention, and it can be practiced according to the content of specification, below
In conjunction with specific embodiments, the embodiment to the present invention is described in further detail, and following examples are used to illustrate this hair
It is bright, but it is not limited to the scope of the present invention.
Raw material and corresponding model employed in following specific embodiments and comparative example are as described below：
Polyamide：Volgamid24 of the polyamide 6 (PA6) from Russia Kuibyshev nitrogen company；Polyamide 66 (PA66)
The EPR24 produced from Chinese Shen Ma groups.
Phosphate compound：Hydroxide cupric phosphate (CAS No.:10103-48-7) have selected from Guangdong Weng Jiang chemical reagent
Limit company；Cupric phosphate (CAS No.:7798-23-4) it is selected from AlfaAesar (China) Chemical Co., Ltd.；Sodium phosphate is selected from Shanghai
Mike's woods biochemical technology Co., Ltd, specification is anhydrous sodium phosphate；Ferric phosphate, which is selected from Sigma-Aldrich (Shanghai) trade, to be had
Limit company.
Copper halide metallic compound：Cuprous iodide selects the TH-V of Qingdao Tuo Haidian Products Co., Ltd；Copper bromide is selected from
Shanghai Aladdin biochemical technology limited company.
Metal halide salt compound：Sodium bromide is selected from Zhengzhou Yi Yang chemical products Co., Ltd, and specification is technical grade；Iodate
Potassium is selected from Shanghai Xi Zhi Chemical Co., Ltd.s；KBr is selected from Chemical Reagent Co., Ltd., Sinopharm Group.
Glass fibre：ECS508 of the common short glass fiber from Chinese megalith limited company；Roving glass fiber PA66
PA66-LG50 of the master batch (50% glass fiber content) from JinFa Science Co., Ltd；Roving glass fiber PA6 master batch (50% glasses
Content) from the PA6-LG50 of JinFa Science Co., Ltd.
Specific embodiment 1
Absorb laser part：85 parts of PA66,5 parts of hydroxide cupric phosphates, 0.05 part of cuprous iodide, 1 part of sodium bromide, 10 parts
PA66-LG50；
Transmission laser part：85 parts of PA66,0.05 part of cuprous iodide, 1 part of sodium bromide, 10 parts of PA66-LG50.
Specific embodiment 2
Absorb laser part：60 parts of PA66,2 parts of cupric phosphates, 0.5 part of copper bromide, 2 parts of KIs, 10 parts of glass fibres, 20
Part PA66-LG50；
Transmission laser part：60 parts of PA66,0.5 part of copper bromide, 2 parts of KIs, 10 parts of glass fibres, 20 parts of PA66-
LG50。
Specific embodiment 3
Absorb laser part：50 parts of PA66,1 part of sodium phosphate, 2 parts of cuprous iodides, 5 parts of sodium bromides, 20 parts of glass fibres, 20
Part PA66-LG50；
Transmission laser part：50 parts of PA66,2 parts of cuprous iodides, 5 parts of sodium bromides, 20 parts of glass fibres, 20 parts of PA66-
LG50。
Specific embodiment 4
Absorb laser part：40 parts of PA6,0.5 part of ferric phosphate, 0.5 part of cuprous iodide, 1 part of KBr, 30 parts of glass fibers
Dimension, 20 parts of PA6-LG50；
Transmission laser part：40 parts of PA6,0.5 part of cuprous iodide, 1 part of KBr, 30 parts of glass fibres, 20 parts of PA6-
LG50。
Comparative example 1
Absorb laser part：90 parts of PA66,5 parts of hydroxide cupric phosphates, 5 parts of ECS508；
Transmission laser part：90 parts of PA66,5 parts of ECS508.
Comparative example 2
Absorb laser part：70 parts of PA66,2 parts of cupric phosphates, 20 parts of ECS508；
Transmission laser part：70 parts of PA66,20 parts of ECS508.
Comparative example 3
Absorb laser part：60 parts of PA66,1 part of sodium phosphate, 2 parts of cuprous iodides, 5 parts of sodium bromides, 30 parts of ECS508；
Transmission laser part：60 parts of PA66,2 parts of cuprous iodides, 5 parts of sodium bromides, 30 parts of ECS508
Comparative example 4
Absorb laser part：50 parts of PA6,0.5 part of ferric phosphate, 0.5 part of cuprous iodide, 1 part of KBr, 40 parts of ECS508；
Transmission laser part：50 parts of PA6,0.5 part of cuprous iodide, 1 part of KBr, 40 parts of ECS508.
Laser part and the polyamide compoiste material of transmission laser part are absorbed in above-mentioned specific embodiment and comparative example
The conventional forming method that can be determined as needed by those skilled in the art through injection, extrusion, molding, foaming etc. forms various
Plastic products, prepared by the various plastics can be used for laser welding, the weldering such as laser exposure time, radiant power of the laser welding
Depending on narrow bars part is according to respective practical application.Above-mentioned composite is made in following specific embodiments and respectively in comparative example
Into sheet material, used optical maser wavelength is between 150nm~15 μm, between preferably 808nm~1100nm, is used in following citings
By Nd:YAG or various meet the requirements wavelength diode laser as LASER Light Source.
Gained batten is prepared to formula in specific embodiment and comparative example and carries out following every tests, the following institute of method of testing
State.
Weld batten tensile strength retention：Gained will be prepared using formula consumption in above-mentioned specific embodiment and comparative example
The sheet material for absorbing laser part and transmission laser part, be put into continuous wavelength laser, use Nd:YAG laser with
40mm/s speed is welded, and gained sheet material after welding is cut into the tensile sample of dumbbell shaped according to the standards of ISO 527, and make
Solder side is located at the centre position of batten span, at 23 DEG C relative humidity be 50% and moisture content be not higher than 0.2% it is dry
Tensile strength test is carried out under dry state.Then laser part and transmission laser part will be absorbed using mass ratio as 1:After 1 blending
Directly be molded according to the standards of ISO 527 prod be made, tested under conditions of same as described above, test respectively to
The prod of few 5 identical compositions, final testing result is used as using their tensile strength average.Finally record through laser welding
The ratio of the tensile strength for the injection batten that the tensile strength of the welding batten of formation is formed with directly injection, is designated as welding batten
The conservation rate of tensile strength, unit is " % ".
Glass fibers dimension retains length：Will welding batten and prod respectively at 650 DEG C after calcination 30 minutes, pass through
The reservation length of observation by light microscope and statistics glass fibre, is designated as glass fibers dimension and retains length, unit is " mm ".
Content of glass fiber：Will welding batten and prod respectively at 650 DEG C after calcination 30 minutes, by calculating ablation
Front and rear percent ash, which is calculated, to be obtained, and unit is " % ".
The test result of specific embodiment and comparative example is referring to described in following table.
The specific embodiment of table 1 and comparative example weld strength test result
As can be seen from the above table, the light or colourless polyamide compoiste material and nothing of the present invention for laser welding
The bulk material intensity in solder bond face is compared, and the intensity of bulk material has even been surmounted with higher strength retention, its
Property retention rate is up to more than 65% substantially, more than 85% can be reached mostly, or even can reach more than 95%, and its performance
It is substantially better than the performance of the welding material containing common short glass fiber.
Described above is only the preferred embodiment of the present invention, is not intended to limit the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is some improvement and
Modification, these improvement and modification also should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of light or colourless polyamide compoiste material for laser welding, including absorb laser part and transmission laser portion
Point, it is characterised in that：
The absorption laser part includes following each components by weight：0-100 parts of kymene, phosphate compound
5-60 parts of 0.5-10 parts, 0.05-2.0 parts of copper halide metallic compound, 0.1-10 parts of metal halide salt compound and glass fibre；
Wherein described phosphate compound is phosphate, hypophosphites, hydrophosphate, pyrophosphate, metaphosphate, poly-metaphosphoric acid
One kind in salt, tripolyphosphate and phosphonium hydroxide hydrochlorate；Halogen ion in the copper halide metallic compound is chlorion, bromine
At least one of ion and iodide ion, and the copper ion is Cu+And Cu2+At least one of；The metal halide salinization
Metallic element in compound is at least one of alkali metal and alkali earth metal；A diameter of 5- of the glass fibre
20 μm, and number equal length of the glass fibre in the light or colourless polyamide compoiste material for laser welding is 0.05-
30mm；
The composition and consumption of the transmission laser part are identical with consumption with the composition for absorbing laser part, but do not include the phosphorus
Barbiturates compound.
2. the light or colourless polyamide compoiste material according to claim 1 for laser welding, it is characterised in that：Institute
State phosphate compound for calcium phosphate, calcium hypophosphite, calcium monohydrogen phosphate, calcium dihydrogen phosphate, calcium pyrophosphate, sodium phosphate, potassium phosphate,
Dipotassium hydrogen phosphate, potassium dihydrogen phosphate, potassium pyrophosphate, potassium metapbosphate, PTPP, diammonium hydrogen phosphate, disodium hydrogen phosphate, phosphorus
Acid dihydride sodium, sodium metaphosphate, sodium tripolyphosphate, triammonium phosphate, ammonium dihydrogen phosphate, ferric phosphate, ferric pyrophosphate, magnesium monohydrogen phosphate, phosphorus
At least one of sour magnesium, manganese hypophosphite, ferric sodium pyrophosphate, hydroxide cupric phosphate and cupric phosphate.
3. the light or colourless polyamide compoiste material according to claim 2 for laser welding, it is characterised in that：Institute
It is at least one of hydroxide cupric phosphate and cupric phosphate to state phosphate compound.
4. the light or colourless polyamide compoiste material according to claim 3 for laser welding, it is characterised in that：Institute
It is 0.5-4.0 parts to state consumption of the phosphate compound in the absorption laser part.
5. the light or colourless polyamide compoiste material according to claim 1 for laser welding, it is characterised in that：Institute
State glass fibre a diameter of 7-14 μm, and the glass fibre is in the light or colourless polyamide compoiste material for laser welding
In the equal length of number be 0.05-15mm.
6. the light or colourless polyamide compoiste material according to claim 5 for laser welding, it is characterised in that：Institute
State part of the equal length of number more than 2.0mm in glass fibre and come from long glass fiber reinforced polyamide master batch, the glass fibers
The equal length of number comes from chopped glass fiber reinforced polyamide masterbatch resin or long glass fiber reinforced polyamides for 0.05-2.0mm part in dimension
Polyimide resin master batch, the length of the long glass fiber reinforced polyamide master batch is 2.0-30.0mm.
7. the light or colourless polyamide compoiste material according to claim 1 for laser welding, it is characterised in that：Institute
State absorption laser part and transmission laser part respectively further comprises other auxiliary agents.
8. the light or colourless polyamide compoiste material according to claim 7 for laser welding, it is characterised in that：Institute
State other auxiliary agents for impact modifiers, plasticizer, UV light stabilizing agent, heat stabilizer, antioxidant, antistatic additive, nucleator,
At least one of flow enhancing agent, lubricant and colouring agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710348224.5A CN107083056A (en) | 2017-05-17 | 2017-05-17 | Light or colourless polyamide compoiste material for laser welding |
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| CN201710348224.5A CN107083056A (en) | 2017-05-17 | 2017-05-17 | Light or colourless polyamide compoiste material for laser welding |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164106A (en) * | 2018-09-25 | 2019-01-08 | 巨石集团有限公司 | Glass retains the test method of length in fiberglass reinforced thermoplastic composite |
| CN109735099A (en) * | 2018-12-27 | 2019-05-10 | 会通新材料(上海)有限公司 | It is a kind of improve light aging resisting characteristic 56 composition of polyamide and its application |
| CN115232467A (en) * | 2022-07-27 | 2022-10-25 | 金旸（厦门）新材料科技有限公司 | High-temperature thermal-aging-resistant polyamide composite material and preparation method thereof |
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| CN101043970A (en) * | 2004-10-20 | 2007-09-26 | 默克专利股份有限公司 | Laser-weldable polymers |
| CN104004348A (en) * | 2014-06-06 | 2014-08-27 | 宁波伊德尔新材料有限公司 | High-thermal-oxidative stability and heat-resistant regeneration nylon material and preparation method thereof |
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2017
- 2017-05-17 CN CN201710348224.5A patent/CN107083056A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101043970A (en) * | 2004-10-20 | 2007-09-26 | 默克专利股份有限公司 | Laser-weldable polymers |
| CN104004348A (en) * | 2014-06-06 | 2014-08-27 | 宁波伊德尔新材料有限公司 | High-thermal-oxidative stability and heat-resistant regeneration nylon material and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164106A (en) * | 2018-09-25 | 2019-01-08 | 巨石集团有限公司 | Glass retains the test method of length in fiberglass reinforced thermoplastic composite |
| CN109735099A (en) * | 2018-12-27 | 2019-05-10 | 会通新材料(上海)有限公司 | It is a kind of improve light aging resisting characteristic 56 composition of polyamide and its application |
| CN115232467A (en) * | 2022-07-27 | 2022-10-25 | 金旸（厦门）新材料科技有限公司 | High-temperature thermal-aging-resistant polyamide composite material and preparation method thereof |
| CN115232467B (en) * | 2022-07-27 | 2023-04-21 | 金旸（厦门）新材料科技有限公司 | High-temperature heat aging resistant polyamide composite material and preparation method thereof |
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