CN106317864A - Black glass fiber reinforced nylon 6 material for laser welding and preparing method thereof - Google Patents
Black glass fiber reinforced nylon 6 material for laser welding and preparing method thereof Download PDFInfo
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- CN106317864A CN106317864A CN201610711405.5A CN201610711405A CN106317864A CN 106317864 A CN106317864 A CN 106317864A CN 201610711405 A CN201610711405 A CN 201610711405A CN 106317864 A CN106317864 A CN 106317864A
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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
- 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
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Abstract
The invention discloses black glass fiber reinforced nylon 6 material for laser welding, comprising the following components, by weight percentage: 25 - 85% of nylon 6, 10 - 50% of glass fiber, 1 - 20% oftransparent modifier, and 0. 1 to 5% of laser-penetrating black powder; the preparing method comprises the following steps: weigh the various materials except for glass fiber according to the above composition ratio, and after high-speed mixing, melt and extrude them together with side-fed glass fiber through twin screw extruder melt extrusion; then cut them by the granulator, and keep the resulting pellets dried in an oven at 80 to 90 o C for 2 to 4 hours and finally the laser-penetrating black powder is produced by injection molding at a temperature of 200 to 280 o C; the material overcomes the shortcomings of the traditional black fiberglass reinforced nylon that the latter cannot be transmitted by laser. Besides, it has the advantages of high strength, high laser penetration and shortening of the welding period. The material is excellent in process science, convenient in production, low in cost, and has long service life and wide applicability, which makes it conducive to large quantities of industrial production.
Description
Technical field
The invention belongs to polymeric material field, be specifically related to a kind of can the black glass fiber reinforced nylon 6 of laser welding
Material and preparation method thereof.
Background technology
Polyamide is commonly called as nylon (Nylon), English name Polyamide, is called for short PA, and it is macromolecular main chain weight
Containing the general name of the high polymer of amide group in multiple unit, it can be prepared by lactams ring-opening polymerisation, it is possible to by diamine and two
Unit's acid polycondensation etc. obtains, and is DuPont's resin of being developed for fiber at first, realizes industrialization in nineteen thirty-nine, and 20
Start exploitation the fifties in century and produce injection-molded item, meeting downstream industry goods lightweight with substituted metal, reduce cost
Requirement.PA has good combination property, including mechanical property, thermostability, mar proof, chemical proofing and self-lubricating
Property, and coefficient of friction is low, has certain anti-flammability, it is easy to and processing, be suitable to use glass fibre and other filler filling enhancing modified,
Improve performance and expand range of application.
Laser welding is the laser beam utilizing high-energy-density a kind of high-efficiency and precision welding method as thermal source, is laser
One of importance of materials processing technology application, is mainly used in welding thin-walled material and low speed welding at 20 century 70s,
Welding process belongs to heat-conduction-type, i.e. laser emission heated parts surface, and surface heat is internally spread by conduction of heat, by control
The parameters such as the width of laser pulse processed, energy, peak power and repetition rate, make workpiece melt, form specific molten bath, due to
The advantage of its uniqueness, has been successfully applied in the precision welding of micro-, miniature parts.
But conventional black glass fiber enhanced nylon is low without laser-transmissible, the strength of materials, length welding interval and thick walled part
The shortcomings such as intensity is low coupled, a kind of high intensity of the most necessary exploitation can the black glass fiber reinforced nylon 6 of laser welding
Material.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, it is provided that a kind of can the black fiberglass reinforced Buddhist nun of laser welding
Dragon 6 materials, to solve problems of the prior art.
The present invention can be achieved through the following technical solutions: the invention provides one can laser welding black glass
Reinforced nylon 6 material, including following components, each component proportion in percentage by weight: 25～85% nylon 6,10～50% glass
Glass fiber, 1～20% Transparence modifier, 0.1～5% saturating laser black powder.
Above-mentioned material farther includes one or more selected from following additive: antioxidant, heat stabilizer, light are stable
Agent, releasing agent, lubricant or flow improver additive.
Component A of the present invention can be a kind of nylon 6, it is also possible to be the mixture of the multiple nylon 6 of different viscosities.Institute
State viscosity if relative viscosity, then selected from 0.5～12.Resin based on component A, does carrier use, can be opened by caprolactam
Cyclopolymerization forms.
Component B glass fibre of the present invention is: round glass fibre or flat glass fiber, its a length of 2 ~ 5mm,
The surface of glass can be surface process can also be non-process, surface process can be epoxy silane process, it is also possible to
It is that titanate esters processes；Component B is reinforcing agent, is mainly used in improving the strength of materials.
The average diameter of above-mentioned circular glass fibre section is 5 ~ 20 μm, and diameter all can not make more than 20um or less than 5um
Mix homogeneously well with other material；Diameter preferably 7 ~ 13 μm, can reach more preferably mixed effect.
The aspect ratio in above-mentioned flat glass fiber cross section is 2 ~ 10, aspect ratio refer herein to glass fibre main cross section axle with
The dimensional ratios of secondary cross section axis；If the aspect ratio of glass fibre is less than 2, result in material and obvious anisotropy occur,
Buckling deformation easily occurs during injection-molded item；If flat ratio is more than 10, then the minor axis size of glass fibre also can decrease,
During extruding pelletization, glass fibre is easily cut off, and causes mechanical properties decrease obvious；Aspect ratio more preferably 8 ~ 9, more flat
Flat glass can greatly improve the anisotropy of material, moreover it is possible to improves laser-transmissible.
Component C Transparence modifier of the present invention can be ethylene octane copolymer or nylon-type compound, and component C is main
For improving material transparent, make material have more preferable laser-transmissible, the shock resistance of product can also be improved simultaneously.
Said polyolefins class elastomer is by hard phase and soft combined forms, and wherein hard phase can be polyethylene or poly-
Propylene crystallizes, and soft phase can be ethylene-vinyl acetate copolymer, ethylene-ethyl acrylate copolymer or ethylene-epoxy third
Methacrylate copolymer, has and becomes caoutchouc elasticity at normal temperatures, and density is little, bending is big, low-temperature impact resistance is high, easily
Processing, the advantage such as reusable；Ethylene octane copolymer can be prepared into by methods such as aggretion type, mixed type or cross-linking types
Arrive.
Above-mentioned nylon-type compound can be nylon 612, nylon 1010, nylon 6I, transparent nylon etc., preferably nylon 6I,
Its other nylon-type compound relatively has more resistant to solvent, more tough and tensile, the higher advantage of transparency.
Component D of the present invention saturating laser black powder, such as nigrosine, solvent black, preferably nigrosine, the present inventor goes out people's will
Material ground finds that nigrosine and solvent black are except as colour developing purposes, it is provided that preferably Color, and has good laser
Permeability.
Present invention also offers a kind of can the preparation method of black glass fiber reinforced nylon 6 material of laser welding, specifically
Step is as follows: weighing percentage by weight respectively is 25～85% nylon 6,1～20% Transparence modifier, 0.1～5% saturating laser black
Powder, through high-speed mixer mix after, with side feed 10～50% glass fibre melt extrude through double screw extruder, then
Through pelletizer, the pellet of generation is dried 2～4 hours in 80～90 DEG C of baking ovens, is then obtained by injection mo(u)lding；Described
High-speed mixer rotating speed is 800～1500r/min, and described extruder temperature is 200～280 DEG C.
The invention has the beneficial effects as follows: the present invention provide can laser welding black glass fiber reinforced nylon 6 material, overcome
Conventional black glass fiber enhanced nylon, without laser-transmissible, has high intensity, high laser penetration, can be applicable to demand Laser Welding
The black material connect, in the precision welding fitting if desired for the product of high leakproofness, complex geometries and micro-, miniature parts, energy
Being linked together with traditional dark features absorbing laser, welding interval shortens, and the intensity coupled with thick walled part is higher, choosing
Material is fastidious, and craft science is easy to make, low cost, and service life is long, and the suitability is wide, beneficially mass industrialized production.
Detailed description of the invention
Below in conjunction with detailed description of the invention, it is further elucidated with the present invention.
Raw material used by the present invention is buied from following company respectively.
Component A: U.S.A of nylon 6 Xinhui of Guangdong Province reaches production, the trade mark is M2400；
The round glass fibre of component B:B1, the world, Chongqing ECS301HP；
B2 flat glass fiber, Mount Taishan glass T4355；
Component C:C1 nylon 612, Shandong Dong Chen company produces, trade mark PA612；
C2 nylon 6I, Shandong Dong Chen company produces, trade mark PA6I；
Component D: nigrosine, Clariant Corporation produces, and the trade mark is black H；
White carbon black: Anyang produces with containing white carbon black company limited.
Embodiment 1
Weigh 6.4kg component A respectively, 0.5kg component C2,0.1kg component D, after high-speed mixer mixes, feed with side
3kg component B2 flat glass fiber melt extrudes through double screw extruder, then through pelletizer, the pellet of generation is 90
DEG C baking oven is dried 4 hours, is then obtained by injection machine injection mo(u)lding；High-speed mixer rotating speed is set to 1400r/min, squeezes
Out-of-machine temperature is set to 200～280 DEG C, and injection machine temperature is set to 280 DEG C, and injection pressure is 70～120bar.
Embodiment 2:
Weighing 2.5kg component A, 2kg component C2 respectively, 0.5kg component D, after high-speed mixer mixes, with side hello 5kg
Component B2 flat glass fiber melt extrudes through double screw extruder, then through pelletizer, the pellet of generation is at 90 DEG C
Baking oven is dried 4 hours, is then obtained by injection machine injection mo(u)lding；High-speed mixer rotating speed is set to 1400r/min, extrusion
Machine temperature is set to 200～280 DEG C, and injection machine temperature is set to 280 DEG C, and injection pressure is 70～120bar.
Embodiment 3:
Weigh 8.5kg component A respectively, 0.1kg component C2,0.4kg component D, after high-speed mixer mixes, feed with side
1kg component B2 flat glass fiber melt extrudes through double screw extruder, then through pelletizer, the pellet of generation is 90
DEG C baking oven is dried 4 hours, is then obtained by injection machine injection mo(u)lding；High-speed mixer rotating speed is set to 1400r/min, squeezes
Out-of-machine temperature is set to 200～280 DEG C, and injection machine temperature is set to 280 DEG C, and injection pressure is 70～120bar.
Embodiment 4:
Weigh 5.9kg component A respectively, 0.59kg component C1,0.01kg component D, after high-speed mixer mixes, feed with side
The round glass fibre of 3.5kg melt extrudes through double screw extruder, then through pelletizer, the pellet of generation is 90 DEG C of bakings
Case is dried 4 hours, is then obtained by injection machine injection mo(u)lding；High-speed mixer rotating speed is set to 1400r/min, extruder
Temperature is set to 200～280 DEG C, and injection machine temperature is set to 280 DEG C, and injection pressure is 70～120bar.
Comparative example 1:
Weighing 6.4kg component A, 0.5kg component C2 respectively, 0.1kg white carbon black, after high-speed mixer mixes, with side hello 3kg
Flat glass fiber melt extrudes through double screw extruder, then through pelletizer, the pellet of generation is in 90 DEG C of baking ovens
It is dried 4 hours, is then obtained by injection machine injection mo(u)lding；High-speed mixer rotating speed is set to 1400r/min, extruder temperature
Being set to 200～280 DEG C, injection machine temperature is set to 280 DEG C, and injection pressure is 70～120bar.
Comparative example 2:
Weighing 6.4kg component A respectively, 0.1kg component D, after high-speed mixer mixes, with side hello 3kg flat glass fibre
Dimension melt extrudes through double screw extruder, then through pelletizer, the pellet of generation is dried 4 hours in 90 DEG C of baking ovens,
Then obtained by injection machine injection mo(u)lding；High-speed mixer rotating speed is set to 1400r/min, and extruder temperature is set to 200
～280 DEG C, injection machine temperature is set to 280 DEG C, and injection pressure is 70～120bar.
According to the hot strength of ISO527 test material, according to the bending property of ISO178 test material, according to ISO179
The impact property of test material.
Test result is shown in such as table 1 below:
Test result indicate that: increase Transparence modifier in the material or select nigrosine to replace traditional white carbon black can make black glass
Reinforced nylon 6 composite has laser penetration, is also obviously improved in the strength of materials simultaneously.Wherein along with glass fibre
Content improves, and tensile strength of material and impact strength also improve.
Above-described embodiment is only the preferred technical solution of the present invention, and is not construed as the restriction for the present invention, the present invention
Protection domain should with claim record technical scheme, including claim record technical scheme in technical characteristic etc.
Being protection domain with alternative, equivalent the most in this range is improved, also within protection scope of the present invention.
Claims (10)
1. one kind can laser welding black glass fiber reinforced nylon 6 material, it is characterised in that: by weight percentage, this combination
Thing comprises: 25～85% nylon 6,10～50% glass fibre, 1～20% Transparence modifier, 0.1～5% saturating laser black powder.
Black glass fiber reinforced nylon 6 material the most according to claim 1, it is characterised in that: farther include one or many
Plant selected from following additive: antioxidant, heat stabilizer, light stabilizer, releasing agent, lubricant or flow improver additive.
Black glass fiber reinforced nylon 6 material the most according to claim 1, it is characterised in that: described saturating laser black powder
For nigrosine or solvent black.
Black glass fiber reinforced nylon 6 material the most according to claim 1, it is characterised in that: described Transparence modifier is
Ethylene octane copolymer.
Black glass fiber reinforced nylon 6 material the most according to claim 1, it is characterised in that: described Transparence modifier is
Nylon 612, nylon 1010, nylon 6I or transparent nylon.
Black glass fiber reinforced nylon 6 material the most according to claim 1, it is characterised in that: described glass fibre is circle
Type glass fibre or flat glass fiber.
Black glass fiber reinforced nylon 6 material the most according to claim 6, it is characterised in that: described round glass fibre
A length of 2 ~ 5mm, the average diameter in cross section is 5 ~ 20 μm.
Black glass fiber reinforced nylon 6 material the most according to claim 6, it is characterised in that: described flat glass fiber
A length of 2 ~ 5mm, the aspect ratio in cross section is 2 ~ 10.
Black glass fiber reinforced nylon 6 material the most according to claim 1, it is characterised in that: described nylon 6 is single viscous
The nylon 6 of degree or the mixture of the multiple nylon 6 of different viscosities.
10. prepare described in claim 1 can the method for laser welding black glass fiber reinforced nylon 6 material, its feature
It is to comprise the steps: that percentage by weight as described in claim 1 weighs the various materials in addition to glass fibre, through at a high speed
After mixer mixing, the glass fibre fed with side melt extrudes through double screw extruder, then through pelletizer, generation
Pellet is dried 2～4 hours in 80～90 DEG C of baking ovens, is then obtained by injection mo(u)lding；Described high-speed mixer rotating speed is 800
~ 1500r/min, described extruder temperature is 200～280 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610711405.5A CN106317864A (en) | 2016-08-24 | 2016-08-24 | Black glass fiber reinforced nylon 6 material for laser welding and preparing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610711405.5A CN106317864A (en) | 2016-08-24 | 2016-08-24 | Black glass fiber reinforced nylon 6 material for laser welding and preparing method thereof |
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| CN201610711405.5A Pending CN106317864A (en) | 2016-08-24 | 2016-08-24 | Black glass fiber reinforced nylon 6 material for laser welding and preparing method thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107652653A (en) * | 2017-10-25 | 2018-02-02 | 延锋彼欧汽车外饰系统有限公司 | It is a kind of can laser welding modified plastics and preparation method thereof |
| CN109486024A (en) * | 2018-09-30 | 2019-03-19 | 南京聚隆科技股份有限公司 | A kind of black polyolefine material of transmissive laser and preparation method thereof |
| CN109929241A (en) * | 2018-11-29 | 2019-06-25 | 上海金发科技发展有限公司 | A kind of laser welding nylon material assembly and its preparation method and application |
| CN111040445A (en) * | 2019-12-31 | 2020-04-21 | 苏州旭光聚合物有限公司 | Flame-retardant nylon 66/nylon 6 composite material with high mechanical property |
| CN111138849A (en) * | 2019-12-31 | 2020-05-12 | 浙江普利特新材料有限公司 | Color-selectable nylon composite material for laser welding and preparation method thereof |
| CN111286191A (en) * | 2019-12-30 | 2020-06-16 | 浙江普利特新材料有限公司 | High-strength, high-brightness black and glass fiber reinforced nylon material and preparation method thereof |
| CN111662546A (en) * | 2020-06-29 | 2020-09-15 | 杭州本松新材料技术股份有限公司 | High-glass-fiber reinforced nylon composite material and preparation method and application thereof |
| CN112694748A (en) * | 2020-12-15 | 2021-04-23 | 江苏金发科技新材料有限公司 | High-temperature alcoholysis-resistant laser transmission-enhanced PA66 composite material and preparation method thereof |
| CN115785654A (en) * | 2022-12-07 | 2023-03-14 | 苏州旭光聚合物有限公司 | High-penetration glass fiber reinforced nylon material for laser welding |
| CN115819967A (en) * | 2022-12-12 | 2023-03-21 | 苏州旭光聚合物有限公司 | Polyamide composite material and preparation method and application thereof |
| CN115850959A (en) * | 2022-12-09 | 2023-03-28 | 徐州腾飞工程塑料有限公司 | Laser-weldable high-blackness halogen-free flame-retardant glass fiber reinforced PA6 material and preparation method thereof |
| CN116120739A (en) * | 2022-12-26 | 2023-05-16 | 苏州旭光聚合物有限公司 | Glass fiber reinforced modified nylon 6 material with low water absorption and high surface finish and preparation method thereof |
| CN116144170A (en) * | 2022-09-09 | 2023-05-23 | 上海锦湖日丽塑料有限公司 | Low-water-vapor-permeation and laser-weldable black glass fiber reinforced polyamide composition and preparation method thereof |
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| CN1571811A (en) * | 2000-11-13 | 2005-01-26 | 纳幕尔杜邦公司 | Fabricated resin products for laser welding and including transmitting and absorbing black colorants, and colored resin compositions therefor |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107652653A (en) * | 2017-10-25 | 2018-02-02 | 延锋彼欧汽车外饰系统有限公司 | It is a kind of can laser welding modified plastics and preparation method thereof |
| CN107652653B (en) * | 2017-10-25 | 2020-05-08 | 延锋彼欧汽车外饰系统有限公司 | Modified plastic capable of being used for laser welding and preparation method thereof |
| CN109486024A (en) * | 2018-09-30 | 2019-03-19 | 南京聚隆科技股份有限公司 | A kind of black polyolefine material of transmissive laser and preparation method thereof |
| CN109929241A (en) * | 2018-11-29 | 2019-06-25 | 上海金发科技发展有限公司 | A kind of laser welding nylon material assembly and its preparation method and application |
| CN111286191A (en) * | 2019-12-30 | 2020-06-16 | 浙江普利特新材料有限公司 | High-strength, high-brightness black and glass fiber reinforced nylon material and preparation method thereof |
| CN111040445A (en) * | 2019-12-31 | 2020-04-21 | 苏州旭光聚合物有限公司 | Flame-retardant nylon 66/nylon 6 composite material with high mechanical property |
| CN111138849A (en) * | 2019-12-31 | 2020-05-12 | 浙江普利特新材料有限公司 | Color-selectable nylon composite material for laser welding and preparation method thereof |
| CN111662546A (en) * | 2020-06-29 | 2020-09-15 | 杭州本松新材料技术股份有限公司 | High-glass-fiber reinforced nylon composite material and preparation method and application thereof |
| CN112694748A (en) * | 2020-12-15 | 2021-04-23 | 江苏金发科技新材料有限公司 | High-temperature alcoholysis-resistant laser transmission-enhanced PA66 composite material and preparation method thereof |
| CN116144170A (en) * | 2022-09-09 | 2023-05-23 | 上海锦湖日丽塑料有限公司 | Low-water-vapor-permeation and laser-weldable black glass fiber reinforced polyamide composition and preparation method thereof |
| CN116144170B (en) * | 2022-09-09 | 2024-06-04 | 上海锦湖日丽塑料有限公司 | Low-water-vapor-permeation and laser-weldable black glass fiber reinforced polyamide composition and preparation method thereof |
| CN115785654A (en) * | 2022-12-07 | 2023-03-14 | 苏州旭光聚合物有限公司 | High-penetration glass fiber reinforced nylon material for laser welding |
| CN115850959A (en) * | 2022-12-09 | 2023-03-28 | 徐州腾飞工程塑料有限公司 | Laser-weldable high-blackness halogen-free flame-retardant glass fiber reinforced PA6 material and preparation method thereof |
| CN115819967A (en) * | 2022-12-12 | 2023-03-21 | 苏州旭光聚合物有限公司 | Polyamide composite material and preparation method and application thereof |
| CN115819967B (en) * | 2022-12-12 | 2024-05-03 | 苏州旭光聚合物有限公司 | Polyamide composite material and preparation method and application thereof |
| CN116120739A (en) * | 2022-12-26 | 2023-05-16 | 苏州旭光聚合物有限公司 | Glass fiber reinforced modified nylon 6 material with low water absorption and high surface finish and preparation method thereof |
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Application publication date: 20170111 |