CN109929225A - A kind of laser indigo plant is cracked down evil force flame-retardant PBT material and preparation method thereof - Google Patents
A kind of laser indigo plant is cracked down evil force flame-retardant PBT material and preparation method thereof Download PDFInfo
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Abstract
It cracks down evil force flame-retardant PBT material and preparation method thereof the invention discloses a kind of laser indigo plant.This flame-retardant PBT material includes the raw material of following mass parts: 30~52 parts of polybutylene terephthalate (PBT)；2~12 parts of polyethylene terephthalate；0~5 part of powder of filling；1.5~5 parts of elastomer flexibilizer；0.2~0.6 part of antioxidant；0.3~1.2 part of lubricant；7~12 parts of bromide fire retardant；15~20 parts of glowing filament synergist；1~3 part of antimony oxide；0.2~1 part of laser powder；0.2~0.4 part of blue toner；16~25 parts of glass fibre.Also disclose that this laser indigo plant is cracked down evil force the preparation method of flame-retardant PBT material simultaneously.There is this flame-retardant PBT material of the present invention efficient laser indigo plant to crack down evil force the characteristics such as effect, high glow-wire, fire-retardant fireproof, dimensionally stable, can be widely applied to make the PBT material product that the various laser indigo plants for meeting glowing filament and fire-retardant equal requirements are cracked down evil force.
Description
Technical field
The present invention relates to technical field of polymer materials, more particularly to a kind of laser indigo plant crack down evil force flame-retardant PBT material and its
Preparation method.
Background technique
Polybutylene terephthalate (PBT) is thermoplastic polyester, is one of main kind, Chang Ying in thermoplastic polyester
For industries such as electronic apparatus, automobile, industrial parts, specific product has capacitor shell, terminal, coil rack, panel, handle etc..
PBT is occurred obtained by esterification by terephthalic acid (TPA) and butanediol.PBT is the polymer of milky, highly crystalline, crystallization speed
Degree is fast, and processability is excellent, has excellent physical mechanical property in wider temperature range, electrical insulating property is excellent, resistance toization
Product, creep resistance, fatigue durability, rub resistance and dimensional stability are all fine.
As country checks manufacturing enterprise's environmental protection severely and the change of the raw material of modified plastic industry and consumption market
Change, domestic production producer is modified under the promotion that electrical apparatus industry is changed also in the positive product for developing energy-saving and environment friendly
The laser carving laser labelling demand trend of plastic cement industry is obvious, and is increasingly praised highly by market.Laser marking technology has ring
The features such as border close friend, high production efficiency, label do not fade permanently, has begun traditional ink is gradually replaced to print in recent years.
With the breakthrough of research and development technology, the laser lettering technology of various requirement is popularized, it is contemplated that the following laser marking technology can gradually take
For the traditional ink printing of modified plastic industry.
Different from PA, PE, PP, PC material, PBT material is very poor to laser absorption, need in higher laser power and
Under lower laser power, relatively clear label could be obtained.In PBT modified material, nowadays technology is more mature has
" black beat white " and " game of shuttlecocks is black " cracks down evil force in system in indigo plant, and existing laser marking technology is commonly present that laser effect is poor, laser pattern
Phenomena such as fuzzy, writing is partially yellow.In order to improve the laser marking effect of PBT, often in modified PBT plastics be added laser powder into
Row improves.But laser powder is merely added not in original formula system and can be well solved the skill that laser indigo plant is cracked down evil force
Art problem.
Summary of the invention
It is of the existing technology in order to overcome the problems, such as, one of the objects of the present invention is to provide a kind of laser indigo plant crack down evil force it is fire-retardant
PBT material, the second object of the present invention are to provide the preparation method that this laser indigo plant cracks down evil force flame-retardant PBT material.
By the present invention in that having obtained a kind of flame-retardant PBT material, this flame-retardant PBT material with specific fire retardant and laser powder
Material has excellent flame retardant property and higher glowing filament performance, especially there is efficient laser indigo plant to crack down evil force effect, can be extensively
In the terminal product for requiring laser indigo plant to crack down evil force applied to production.
In order to achieve the above purpose, the technical solution used in the present invention is:
The present invention has proposed a kind of laser indigo plant and has cracked down evil force flame-retardant PBT material, the raw material components including following mass parts:
30~52 parts of polybutylene terephthalate (PBT)；
2~12 parts of polyethylene terephthalate；
0~5 part of powder of filling；
1.5~5 parts of elastomer flexibilizer；
0.2~0.6 part of antioxidant；
0.3~1.2 part of lubricant；
7~12 parts of bromide fire retardant；
15~20 parts of glowing filament synergist；
1~3 part of antimony oxide；
0.2~1 part of laser powder；
0.2~0.4 part of blue toner；
16~25 parts of glass fibre.
This laser indigo plant is cracked down evil force in flame-retardant PBT material, and the preferred mass parts of polybutylene terephthalate (PBT) are 30~45
Part；The preferred mass parts of polyethylene terephthalate (PET) are 3~10 parts；Filling the preferred mass parts of powder is 0~3 part；
The preferred mass parts of elastomer flexibilizer are 2~4 parts；The preferred mass parts of antioxidant are 0.3~0.5 part；Lubricant is preferred
Mass parts are 0.7~1 part；The preferred mass parts of bromide fire retardant are 9~12 parts；The preferred mass parts of glowing filament synergist are 16
~18 parts；The preferred mass parts of antimony oxide are 1.5~2.5 parts；The preferred mass parts of laser powder are 0.4~0.8 part；Glass
The preferred mass parts of fiber are 18~23 parts.
Preferably, during this laser indigo plant cracks down evil force flame-retardant PBT material, polybutylene terephthalate (PBT) is in 250 DEG C/2.16kg
Melt flow rate (MFR) under test condition is 60g/10min~80g/10min, and inherent viscosity is 0.8dl/g~0.9dl/g.Make
Be matrix with above-mentioned PBT resin it is mobile performance in order to guarantee material, obtains preferable processing and forming condition.
Preferably, during this laser indigo plant cracks down evil force flame-retardant PBT material, the inherent viscosity of polyethylene terephthalate is
0.6dl/g~0.7dl/g.It is the surface in order to improve material using above-mentioned PET resin, and reduces formulation cost；PET resin
It can be selected from the SB500 of middle petrochemical industry Yizheng.
Preferably, during this laser indigo plant cracks down evil force flame-retardant PBT material, filling powder is selected from calcium carbonate, calcium sulfate, calcium silicates, sulphur
At least one of the micro- mountain flour of sour barium, magnesium hydroxide, talcum powder, mica powder, silicon, wollastonite in powder, lithopone；Further preferably
, filling powder is selected from least one of mica powder, the micro- mountain flour of silicon, wollastonite in powder.In the present invention, according to product requirement, it can fit
When above-mentioned filling powder is added, formulation cost is reduced, improves material surface property.
Preferably, during this laser indigo plant cracks down evil force flame-retardant PBT material, elastomer flexibilizer is selected from POE grafted maleic anhydride, second
In alkene-methyl acrylate-glycidyl methacrylate, Ethylene-butyl acrylate-glycidyl methacrylate extremely
Few one kind；Ethylene-methyl acrylate-glyceryl methacrylate can be selected from the AX8900 of Acker Ma；Ethylene-acrylic acid fourth
Ester-glycidyl methacrylate can be selected from the PTW of Du Pont.It is tough in order to improve material that above-mentioned elastomer flexibilizer, which is added,
Property, it is ensured that material does not allow easy fracture.
Preferably, during this laser indigo plant cracks down evil force flame-retardant PBT material, bromide fire retardant is selected from brominated Polystyrene, ten bromines two
At least one of vinylbenzene, hexabromocyclododecane, deca-BDE, hexabromobenzene, brominated triazine；It is further preferred that bromine system
Fire retardant is selected from least one of brominated Polystyrene, decabromodiphenylethane, brominated triazine.Above-mentioned bromide fire retardant is added
Primarily to guaranteeing the flame retardant property and glowing filament performance of material.
Preferably, during this laser indigo plant cracks down evil force flame-retardant PBT material, glowing filament synergist is selected from melamine, boric acid trimerization
Cyanamide, melamine cyanurate, triphenyl phosphate, melamine pyrophosphate, melamine polyphosphate, in ammonium polyphosphate
It is at least one；Gather it is further preferred that glowing filament synergist is selected from melamine cyanurate, triphenyl phosphate, melamine
At least one of phosphate.Above-mentioned glowing filament synergist is added primarily to improving the glowing filament performance of material.
This laser indigo plant of the present invention is cracked down evil force in flame-retardant PBT material, and antimony oxide is the flame retardant property in order to improve material,
Guarantee the fire performance of material.
Preferably, during this laser indigo plant cracks down evil force flame-retardant PBT material, laser powder is selected from neodymia, bismuth oxide, tin oxide, oxygen
Change at least one of titanium, nanometer tin-antimony oxide.It is to improve material laser mark effect that above-mentioned laser powder, which is added,.
Preferably, during this laser indigo plant cracks down evil force flame-retardant PBT material, antioxidant is Hinered phenols antioxidant, phosphorous acid esters
At least one of antioxidant；Hinered phenols antioxidant can be selected from antioxidant 245,264,1010,1024,1076,1098
It is at least one；Phosphite ester antioxidant can be selected from least one of irgasfos 168,626；It is further preferred that antioxidant
For one of antioxidant 1010,168 or combinations thereof object.It is the heat resistance in order to improve material that above-mentioned antioxidant, which is added,
So that material do not allow it is easy to change.
Preferably, during this laser indigo plant cracks down evil force flame-retardant PBT material, lubricant is selected from silicone powder, fatty acid amide, tristearin
Acid, stearate, paraffin, polyethylene wax, erucyl amide, oleamide, ethylene bis stearic acid amide (EBS), pentaerythrite are double hard
At least one of resin acid ester (PETS)；It is further preferred that lubricant is in silicone powder, the double stearates of pentaerythrite
One kind or combinations thereof object.Above-mentioned lubricant is added primarily to appearance when improving the mobile performance of material and making material injection
Easy mold release.
Preferably, during this laser indigo plant cracks down evil force flame-retardant PBT material, the raw material for preparing of blue toner includes phthalocyanine blue, ultramarine
Blue, carbon black.
It cracks down evil force the preparation method of flame-retardant PBT material the present invention also provides this laser indigo plant, comprising the following steps:
1) prepare raw material: weighing raw material according to above-mentioned composition；
2) raw material disposal and mixing: dry polybutylene terephthalate (PBT) and polyethylene terephthalate；It will
After laser powder, antioxidant and mix lubricant, then with polybutylene terephthalate (PBT), polyethylene terephthalate, fill out
Powder, elastomer flexibilizer, bromide fire retardant, glowing filament synergist, antimony oxide, blue toner mixing are filled, mixture is obtained
Material；
3) mixed material and glass fibre melting extrusion: are added twin-screw extrude into melting extrusion；
4) be granulated and post-process:, dry, pelletizing cooling to the material of extrusion obtains laser indigo plant and cracks down evil force flame-retardant PBT material.
Preferably, this laser indigo plant crack down evil force flame-retardant PBT material preparation method step 2) in, it is dry to poly terephthalic acid
Butanediol ester and the respective water content < 0.5wt% of polyethylene terephthalate.
Preferably, this laser indigo plant crack down evil force flame-retardant PBT material preparation method step 3) in, the melting of double screw extruder
Extrusion temperature is 230 DEG C~250 DEG C, and screw speed is 300r/min~1200r/min.
The beneficial effects of the present invention are:
This flame-retardant PBT material provided by the invention can solve cracks down evil force in system in indigo plant, and existing laser marking technology is normal
Phenomena such as existing laser effect is poor, laser pattern is fuzzy, writing is partially yellow is cracked down evil force effect, Gao Zhuore with efficient laser indigo plant
The characteristics such as silk, fire-retardant fireproof, dimensionally stable can be widely applied to make the various laser for meeting glowing filament and fire-retardant equal requirements
The PBT material product that indigo plant is cracked down evil force.
Compared with prior art, advantages of the present invention is specific as follows:
1, laser indigo plant prepared by the present invention is cracked down evil force the flame-retardant PBT material not only excellent heat resistance of material, mechanical strength, anti-
Fiery performance, high glow-wire performance, greatly meet the product demand of household electrical appliance accessory, such as the blue capacitor of laser marking lettering
Shell etc..
2, laser indigo plant prepared by the present invention flame-retardant PBT material of cracking down evil force is cracked down evil force effect with efficient laser indigo plant, meets laser
Typewriting requires.Compared with traditional ink spraying, which can not only improve working efficiency；And it is environmentally friendly, it is pollution-free,
Meet the requirement of sustainable development.
3, it cracks down evil force high glow-wire by the present invention in that having obtained a kind of efficient laser indigo plant with specific fire retardant and laser powder
Flame-retardant PBT material, preparation method is easy to operate, easy to spread and be mass produced.
Specific embodiment
The contents of the present invention are described in further detail below by way of specific embodiment.Original used in embodiment
Material unless otherwise specified, can be obtained from routine business approach.
In the material of following embodiment, the melt flow rate (MFR) of PBT used under 250 DEG C/2.16kg test condition is
60g/10min~80g/10min, inherent viscosity are 0.8dl/g~0.9dl/g.SB500PET material of the PET selected from middle petrochemical industry Yizheng
Material；Fill the mica powder that powder is selected from dry method；Elastomer flexibilizer is selected from the PTW of Du Pont；Bromide fire retardant is selected from the bromination of refined treasured
Polystyrene 621；Glowing filament synergist is selected from melamine polyphosphate；Lubricant is selected from silicone powder；Antioxidant is antioxidant
1010 and 168 compounds formed with 1:1；Laser powder is the laser powder that neodymia and bismuth oxide are compounded with mass ratio 1:1；Blue
Toner is to use phthalocyanine blue, ultramarine blue, the homemade toner of carbon black.
Examples 1 to 3
The composition of raw materials composition of Examples 1 to 3 is shown in Table 1.
The composition of raw materials of 1 Examples 1 to 3 of table forms
The laser indigo plant of Examples 1 to 3 flame-retardant PBT material preparation method of cracking down evil force is as follows:
(1) prepare raw material: accurately weighing the dosage of each component by the composition of table 1 respectively；
(2) raw material disposal and mixing: polybutylene terephthalate (PBT) and polyethylene terephthalate are dried,
Moisture is controlled in 0.05wt% or less；It is added in Component System after laser powder and antioxidant, lubricant are dispersed with stirring uniformly, then
Filling powder, elastomer flexibilizer, bromide fire retardant, glowing filament synergist, antimony oxide, blue toner mixing is added, makes each
Component, which is sufficiently stirred, to be uniformly dispersed；
(3) melting extrusion: the material mixed and glass fibre are added twin-screw extrude, in the same of melting extrusion
When, for melting extrusion temperature between 230 DEG C~260 DEG C, screw speed is 300r/min~1200r/min；
(4) it is granulated and post-processes: to the material of extrusion carries out cooling, air-dried, pelletizing, finished product can be obtained in packaging.
The laser indigo plant flame-retardant PBT material of cracking down evil force of Examples 1 to 3 preparation is tested for the property, testing standard and test knot
Fruit is as shown in table 2 below.
The test result of 2 Examples 1 to 2 of table
From Table 2, it can be seen that laser indigo plant prepared by the present invention is cracked down evil force, flame-retardant PBT material property is good, and has height
The laser indigo plant of effect is cracked down evil force mark effect.
The selection of fire retardant influences laser effect very big.It finds through the present inventor's a large number of experiments, cracks down evil force skill in laser indigo plant
Art field can not reach laser effect of the invention using other fire retardants such as brominated epoxy, and laser comes out font displaing yellow
And the handwriting is blurred.The fire retardant of PBT cannot contain epoxy resin and some other common synergistic flame retardant, while meet bright
The requirement of heated filament and the requirement of cost performance.And the present invention is exactly directed to the application that laser indigo plant is cracked down evil force, and proposes with specific fire-retardant
The flame-retardant PBT material of system and laser powder collocation.It is very steady that the present invention prepares this laser indigo plant flame-retardant PBT scantling of cracking down evil force
It is fixed, chemical-resistance is excellent, flame retardant property is good, glow wire temperature height (up to 830 DEG C), can be applied to various laser indigo plants and cracks down evil force PBT
Modified material product.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (10)
- A kind of flame-retardant PBT material 1. laser indigo plant is cracked down evil force, it is characterised in that: the raw material components including following mass parts:30~52 parts of polybutylene terephthalate (PBT)；2~12 parts of polyethylene terephthalate；0~5 part of powder of filling；1.5~5 parts of elastomer flexibilizer；0.2~0.6 part of antioxidant；0.3~1.2 part of lubricant；7~12 parts of bromide fire retardant；15~20 parts of glowing filament synergist；1~3 part of antimony oxide；0.2~1 part of laser powder；0.2~0.4 part of blue toner；16~25 parts of glass fibre.
- The flame-retardant PBT material 2. a kind of laser indigo plant according to claim 1 is cracked down evil force, it is characterised in that: the poly- terephthaldehyde Melt flow rate (MFR) of the sour butanediol ester under 250 DEG C/2.16kg test condition is 60g/10min~80g/10min, and characteristic is viscous Degree is 0.8dl/g~0.9dl/g.
- The flame-retardant PBT material 3. a kind of laser indigo plant according to claim 1 is cracked down evil force, it is characterised in that: the poly- terephthaldehyde The inherent viscosity of sour glycol ester is 0.6dl/g~0.7dl/g.
- The flame-retardant PBT material 4. a kind of laser indigo plant according to claim 1 is cracked down evil force, it is characterised in that: the filling powder is selected from The micro- mountain flour of calcium carbonate, calcium sulfate, calcium silicates, barium sulfate, magnesium hydroxide, talcum powder, mica powder, silicon, wollastonite in powder, in lithopone At least one.
- The flame-retardant PBT material 5. a kind of laser indigo plant according to claim 1 is cracked down evil force, it is characterised in that: the elastic body toughening Agent is selected from POE grafted maleic anhydride, ethylene-methyl acrylate-glyceryl methacrylate, Ethylene-butyl acrylate-first At least one of base glycidyl acrylate.
- The flame-retardant PBT material 6. a kind of laser indigo plant according to claim 1 is cracked down evil force, it is characterised in that: the bromide fire retardant In brominated Polystyrene, decabromodiphenylethane, hexabromocyclododecane, deca-BDE, hexabromobenzene, brominated triazine at least It is a kind of.
- The flame-retardant PBT material 7. a kind of laser indigo plant according to claim 1 is cracked down evil force, it is characterised in that: the glowing filament synergistic Agent is selected from melamine, boric acid melamine, melamine cyanurate, triphenyl phosphate, melamine pyrophosphate, melamine At least one of amine Quadrafos, ammonium polyphosphate.
- The flame-retardant PBT material 8. a kind of laser indigo plant according to claim 1 is cracked down evil force, it is characterised in that: the laser powder is selected from At least one of neodymia, bismuth oxide, tin oxide, titanium oxide, nanometer tin-antimony oxide.
- The flame-retardant PBT material 9. a kind of laser indigo plant according to claim 1 is cracked down evil force, it is characterised in that: the antioxidant be by Hinder at least one of phenolic antioxidant, phosphite ester antioxidant；The lubricant is selected from silicone powder, fatty acid amide, hard The double stearic acid of resin acid, stearate, paraffin, polyethylene wax, erucyl amide, oleamide, ethylene bis stearic acid amide, pentaerythrite At least one of ester.
- The preparation method of flame-retardant PBT material 10. a kind of laser indigo plant is cracked down evil force, it is characterised in that: the following steps are included:1) prepare raw material: weighing raw material according to composition according to any one of claims 1 to 9；2) raw material disposal and mixing: dry polybutylene terephthalate (PBT) and polyethylene terephthalate；By laser After powder, antioxidant and mix lubricant, then with polybutylene terephthalate (PBT), polyethylene terephthalate, filling powder, Elastomer flexibilizer, bromide fire retardant, glowing filament synergist, antimony oxide, blue toner mixing, obtain mixed material；3) mixed material and glass fibre melting extrusion: are added twin-screw extrude into melting extrusion；4) be granulated and post-process:, dry, pelletizing cooling to the material of extrusion obtains laser indigo plant and cracks down evil force flame-retardant PBT material.
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| CN201910228333.2A CN109929225B (en) | 2019-03-25 | 2019-03-25 | Laser blue blackening flame-retardant PBT (polybutylene terephthalate) material and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112375347A (en) * | 2020-11-12 | 2021-02-19 | 江苏金发科技新材料有限公司 | Black PBT composition capable of laser marking blue fonts and preparation thereof |
| CN115304895A (en) * | 2022-08-31 | 2022-11-08 | 芜湖聚发新材料有限公司 | Reinforced flame-retardant PBT (polybutylene terephthalate) material and manufacturing method thereof |
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| US20020134771A1 (en) * | 2001-01-05 | 2002-09-26 | Richard Wenger | Flame-retarded laser-markable polyester composition |
| CN104231566A (en) * | 2014-08-26 | 2014-12-24 | 上海俊尓新材料有限公司 | Flame-retardant reinforced polybutylene terephthalate (PBT) material capable of laser marking and preparation method thereof |
| CN107163518A (en) * | 2017-06-26 | 2017-09-15 | 东莞市东翔塑胶有限公司 | It is a kind of can laser marking high glowing filament ignition temperature flame-retardant PBT composite and preparation method thereof |
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- 2019-03-25 CN CN201910228333.2A patent/CN109929225B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020134771A1 (en) * | 2001-01-05 | 2002-09-26 | Richard Wenger | Flame-retarded laser-markable polyester composition |
| CN104231566A (en) * | 2014-08-26 | 2014-12-24 | 上海俊尓新材料有限公司 | Flame-retardant reinforced polybutylene terephthalate (PBT) material capable of laser marking and preparation method thereof |
| CN107163518A (en) * | 2017-06-26 | 2017-09-15 | 东莞市东翔塑胶有限公司 | It is a kind of can laser marking high glowing filament ignition temperature flame-retardant PBT composite and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112375347A (en) * | 2020-11-12 | 2021-02-19 | 江苏金发科技新材料有限公司 | Black PBT composition capable of laser marking blue fonts and preparation thereof |
| CN115304895A (en) * | 2022-08-31 | 2022-11-08 | 芜湖聚发新材料有限公司 | Reinforced flame-retardant PBT (polybutylene terephthalate) material and manufacturing method thereof |
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